diff --git a/.gitignore b/.gitignore index 960183a79..f8c400013 100644 --- a/.gitignore +++ b/.gitignore @@ -42,3 +42,7 @@ build/ localhost-800*/ static/client/register/register_config.js +.tox + +env/ +*.config diff --git a/AUTHORS.rst b/AUTHORS.rst index 54ced6700..58a67c6b1 100644 --- a/AUTHORS.rst +++ b/AUTHORS.rst @@ -44,4 +44,7 @@ Eric Myhre repository API. Muthu Subramanian - * Add SAML2 support for registration and logins. + * Add SAML2 support for registration and login. + +Steven Hammerton + * Add CAS support for registration and login. diff --git a/CHANGES.rst b/CHANGES.rst index f1d2c7a76..068ed9f2f 100644 --- a/CHANGES.rst +++ b/CHANGES.rst @@ -1,3 +1,49 @@ +Changes in synapse v0.11.0 (2015-11-17) +======================================= + +* Change CAS login API (PR #349) + +Changes in synapse v0.11.0-rc2 (2015-11-13) +=========================================== + +* Various changes to /sync API response format (PR #373) +* Fix regression when setting display name in newly joined room over + federation (PR #368) +* Fix problem where /search was slow when using SQLite (PR #366) + +Changes in synapse v0.11.0-rc1 (2015-11-11) +=========================================== + +* Add Search API (PR #307, #324, #327, #336, #350, #359) +* Add 'archived' state to v2 /sync API (PR #316) +* Add ability to reject invites (PR #317) +* Add config option to disable password login (PR #322) +* Add the login fallback API (PR #330) +* Add room context API (PR #334) +* Add room tagging support (PR #335) +* Update v2 /sync API to match spec (PR #305, #316, #321, #332, #337, #341) +* Change retry schedule for application services (PR #320) +* Change retry schedule for remote servers (PR #340) +* Fix bug where we hosted static content in the incorrect place (PR #329) +* Fix bug where we didn't increment retry interval for remote servers (PR #343) + +Changes in synapse v0.10.1-rc1 (2015-10-15) +=========================================== + +* Add support for CAS, thanks to Steven Hammerton (PR #295, #296) +* Add support for using macaroons for ``access_token`` (PR #256, #229) +* Add support for ``m.room.canonical_alias`` (PR #287) +* Add support for viewing the history of rooms that they have left. (PR #276, + #294) +* Add support for refresh tokens (PR #240) +* Add flag on creation which disables federation of the room (PR #279) +* Add some room state to invites. (PR #275) +* Atomically persist events when joining a room over federation (PR #283) +* Change default history visibility for private rooms (PR #271) +* Allow users to redact their own sent events (PR #262) +* Use tox for tests (PR #247) +* Split up syutil into separate libraries (PR #243) + Changes in synapse v0.10.0-r2 (2015-09-16) ========================================== diff --git a/MANIFEST.in b/MANIFEST.in index a9b543af8..5668665db 100644 --- a/MANIFEST.in +++ b/MANIFEST.in @@ -3,13 +3,23 @@ include LICENSE include VERSION include *.rst include demo/README +include demo/demo.tls.dh +include demo/*.py +include demo/*.sh recursive-include synapse/storage/schema *.sql recursive-include synapse/storage/schema *.py -recursive-include demo *.dh -recursive-include demo *.py -recursive-include demo *.sh recursive-include docs * recursive-include scripts * +recursive-include scripts-dev * recursive-include tests *.py + +recursive-include synapse/static *.css +recursive-include synapse/static *.gif +recursive-include synapse/static *.html +recursive-include synapse/static *.js + +exclude jenkins.sh + +prune demo/etc diff --git a/README.rst b/README.rst index 6c8431aa8..a8f0c6215 100644 --- a/README.rst +++ b/README.rst @@ -20,8 +20,8 @@ The overall architecture is:: https://somewhere.org/_matrix https://elsewhere.net/_matrix ``#matrix:matrix.org`` is the official support room for Matrix, and can be -accessed by the web client at http://matrix.org/beta or via an IRC bridge at -irc://irc.freenode.net/matrix. +accessed by any client from https://matrix.org/blog/try-matrix-now or via IRC +bridge at irc://irc.freenode.net/matrix. Synapse is currently in rapid development, but as of version 0.5 we believe it is sufficiently stable to be run as an internet-facing service for real usage! @@ -77,14 +77,14 @@ Meanwhile, iOS and Android SDKs and clients are available from: - https://github.com/matrix-org/matrix-android-sdk We'd like to invite you to join #matrix:matrix.org (via -https://matrix.org/beta), run a homeserver, take a look at the Matrix spec at -https://matrix.org/docs/spec and API docs at https://matrix.org/docs/api, -experiment with the APIs and the demo clients, and report any bugs via -https://matrix.org/jira. +https://matrix.org/blog/try-matrix-now), run a homeserver, take a look at the +Matrix spec at https://matrix.org/docs/spec and API docs at +https://matrix.org/docs/api, experiment with the APIs and the demo clients, and +report any bugs via https://matrix.org/jira. Thanks for using Matrix! -[1] End-to-end encryption is currently in development +[1] End-to-end encryption is currently in development - see https://matrix.org/git/olm Synapse Installation ==================== diff --git a/demo/start.sh b/demo/start.sh index 572dbfab0..dcc4d6f4f 100755 --- a/demo/start.sh +++ b/demo/start.sh @@ -25,6 +25,7 @@ for port in 8080 8081 8082; do --generate-config \ -H "localhost:$https_port" \ --config-path "$DIR/etc/$port.config" \ + --report-stats no # Check script parameters if [ $# -eq 1 ]; then @@ -37,6 +38,13 @@ for port in 8080 8081 8082; do perl -p -i -e 's/^enable_registration:.*/enable_registration: true/g' $DIR/etc/$port.config + if ! grep -F "full_twisted_stacktraces" -q $DIR/etc/$port.config; then + echo "full_twisted_stacktraces: true" >> $DIR/etc/$port.config + fi + if ! grep -F "report_stats" -q $DIR/etc/$port.config ; then + echo "report_stats: false" >> $DIR/etc/$port.config + fi + python -m synapse.app.homeserver \ --config-path "$DIR/etc/$port.config" \ -D \ diff --git a/jenkins.sh b/jenkins.sh new file mode 100755 index 000000000..4804022e8 --- /dev/null +++ b/jenkins.sh @@ -0,0 +1,39 @@ +#!/bin/bash -eu + +export PYTHONDONTWRITEBYTECODE=yep + +# Output test results as junit xml +export TRIAL_FLAGS="--reporter=subunit" +export TOXSUFFIX="| subunit-1to2 | subunit2junitxml --no-passthrough --output-to=results.xml" + +# Output coverage to coverage.xml +export DUMP_COVERAGE_COMMAND="coverage xml -o coverage.xml" + +# Output flake8 violations to violations.flake8.log +# Don't exit with non-0 status code on Jenkins, +# so that the build steps continue and a later step can decided whether to +# UNSTABLE or FAILURE this build. +export PEP8SUFFIX="--output-file=violations.flake8.log || echo flake8 finished with status code \$?" + +tox + +: ${GIT_BRANCH:="$(git rev-parse --abbrev-ref HEAD)"} + +set +u +. .tox/py27/bin/activate +set -u + +rm -rf sytest +git clone https://github.com/matrix-org/sytest.git sytest +cd sytest + +git checkout "${GIT_BRANCH}" || (echo >&2 "No ref ${GIT_BRANCH} found, falling back to develop" ; git checkout develop) + +: ${PERL5LIB:=$WORKSPACE/perl5/lib/perl5} +: ${PERL_MB_OPT:=--install_base=$WORKSPACE/perl5} +: ${PERL_MM_OPT:=INSTALL_BASE=$WORKSPACE/perl5} +export PERL5LIB PERL_MB_OPT PERL_MM_OPT + +./install-deps.pl + +./run-tests.pl -O tap --synapse-directory .. --all > results.tap diff --git a/scripts-dev/check_auth.py b/scripts-dev/check_auth.py index b889ac7fa..4fa8792a5 100644 --- a/scripts-dev/check_auth.py +++ b/scripts-dev/check_auth.py @@ -56,10 +56,9 @@ if __name__ == '__main__': js = json.load(args.json) - auth = Auth(Mock()) check_auth( auth, [FrozenEvent(d) for d in js["auth_chain"]], - [FrozenEvent(d) for d in js["pdus"]], + [FrozenEvent(d) for d in js.get("pdus", [])], ) diff --git a/scripts-dev/check_event_hash.py b/scripts-dev/check_event_hash.py index 679afbd26..7ccae34d4 100644 --- a/scripts-dev/check_event_hash.py +++ b/scripts-dev/check_event_hash.py @@ -1,5 +1,5 @@ from synapse.crypto.event_signing import * -from syutil.base64util import encode_base64 +from unpaddedbase64 import encode_base64 import argparse import hashlib diff --git a/scripts-dev/check_signature.py b/scripts-dev/check_signature.py index 59e3d603a..079577908 100644 --- a/scripts-dev/check_signature.py +++ b/scripts-dev/check_signature.py @@ -1,9 +1,7 @@ -from syutil.crypto.jsonsign import verify_signed_json -from syutil.crypto.signing_key import ( - decode_verify_key_bytes, write_signing_keys -) -from syutil.base64util import decode_base64 +from signedjson.sign import verify_signed_json +from signedjson.key import decode_verify_key_bytes, write_signing_keys +from unpaddedbase64 import decode_base64 import urllib2 import json diff --git a/scripts-dev/convert_server_keys.py b/scripts-dev/convert_server_keys.py index a1ee39059..151551f22 100644 --- a/scripts-dev/convert_server_keys.py +++ b/scripts-dev/convert_server_keys.py @@ -4,10 +4,10 @@ import sys import json import time import hashlib -from syutil.base64util import encode_base64 -from syutil.crypto.signing_key import read_signing_keys -from syutil.crypto.jsonsign import sign_json -from syutil.jsonutil import encode_canonical_json +from unpaddedbase64 import encode_base64 +from signedjson.key import read_signing_keys +from signedjson.sign import sign_json +from canonicaljson import encode_canonical_json def select_v1_keys(connection): diff --git a/scripts-dev/definitions.py b/scripts-dev/definitions.py new file mode 100755 index 000000000..f0d0cd8a3 --- /dev/null +++ b/scripts-dev/definitions.py @@ -0,0 +1,142 @@ +#! /usr/bin/python + +import ast +import yaml + +class DefinitionVisitor(ast.NodeVisitor): + def __init__(self): + super(DefinitionVisitor, self).__init__() + self.functions = {} + self.classes = {} + self.names = {} + self.attrs = set() + self.definitions = { + 'def': self.functions, + 'class': self.classes, + 'names': self.names, + 'attrs': self.attrs, + } + + def visit_Name(self, node): + self.names.setdefault(type(node.ctx).__name__, set()).add(node.id) + + def visit_Attribute(self, node): + self.attrs.add(node.attr) + for child in ast.iter_child_nodes(node): + self.visit(child) + + def visit_ClassDef(self, node): + visitor = DefinitionVisitor() + self.classes[node.name] = visitor.definitions + for child in ast.iter_child_nodes(node): + visitor.visit(child) + + def visit_FunctionDef(self, node): + visitor = DefinitionVisitor() + self.functions[node.name] = visitor.definitions + for child in ast.iter_child_nodes(node): + visitor.visit(child) + + +def non_empty(defs): + functions = {name: non_empty(f) for name, f in defs['def'].items()} + classes = {name: non_empty(f) for name, f in defs['class'].items()} + result = {} + if functions: result['def'] = functions + if classes: result['class'] = classes + names = defs['names'] + uses = [] + for name in names.get('Load', ()): + if name not in names.get('Param', ()) and name not in names.get('Store', ()): + uses.append(name) + uses.extend(defs['attrs']) + if uses: result['uses'] = uses + result['names'] = names + result['attrs'] = defs['attrs'] + return result + + +def definitions_in_code(input_code): + input_ast = ast.parse(input_code) + visitor = DefinitionVisitor() + visitor.visit(input_ast) + definitions = non_empty(visitor.definitions) + return definitions + + +def definitions_in_file(filepath): + with open(filepath) as f: + return definitions_in_code(f.read()) + + +def defined_names(prefix, defs, names): + for name, funcs in defs.get('def', {}).items(): + names.setdefault(name, {'defined': []})['defined'].append(prefix + name) + defined_names(prefix + name + ".", funcs, names) + + for name, funcs in defs.get('class', {}).items(): + names.setdefault(name, {'defined': []})['defined'].append(prefix + name) + defined_names(prefix + name + ".", funcs, names) + + +def used_names(prefix, defs, names): + for name, funcs in defs.get('def', {}).items(): + used_names(prefix + name + ".", funcs, names) + + for name, funcs in defs.get('class', {}).items(): + used_names(prefix + name + ".", funcs, names) + + for used in defs.get('uses', ()): + if used in names: + names[used].setdefault('used', []).append(prefix.rstrip('.')) + + +if __name__ == '__main__': + import sys, os, argparse, re + + parser = argparse.ArgumentParser(description='Find definitions.') + parser.add_argument( + "--unused", action="store_true", help="Only list unused definitions" + ) + parser.add_argument( + "--ignore", action="append", metavar="REGEXP", help="Ignore a pattern" + ) + parser.add_argument( + "--pattern", action="append", metavar="REGEXP", + help="Search for a pattern" + ) + parser.add_argument( + "directories", nargs='+', metavar="DIR", + help="Directories to search for definitions" + ) + args = parser.parse_args() + + definitions = {} + for directory in args.directories: + for root, dirs, files in os.walk(directory): + for filename in files: + if filename.endswith(".py"): + filepath = os.path.join(root, filename) + definitions[filepath] = definitions_in_file(filepath) + + names = {} + for filepath, defs in definitions.items(): + defined_names(filepath + ":", defs, names) + + for filepath, defs in definitions.items(): + used_names(filepath + ":", defs, names) + + patterns = [re.compile(pattern) for pattern in args.pattern or ()] + ignore = [re.compile(pattern) for pattern in args.ignore or ()] + + result = {} + for name, definition in names.items(): + if patterns and not any(pattern.match(name) for pattern in patterns): + continue + if ignore and any(pattern.match(name) for pattern in ignore): + continue + if args.unused and definition.get('used'): + continue + result[name] = definition + + yaml.dump(result, sys.stdout, default_flow_style=False) diff --git a/scripts-dev/hash_history.py b/scripts-dev/hash_history.py index bdad530af..616d6a10e 100644 --- a/scripts-dev/hash_history.py +++ b/scripts-dev/hash_history.py @@ -6,8 +6,8 @@ from synapse.crypto.event_signing import ( add_event_pdu_content_hash, compute_pdu_event_reference_hash ) from synapse.api.events.utils import prune_pdu -from syutil.base64util import encode_base64, decode_base64 -from syutil.jsonutil import encode_canonical_json +from unpaddedbase64 import encode_base64, decode_base64 +from canonicaljson import encode_canonical_json import sqlite3 import sys diff --git a/scripts/synapse_port_db b/scripts/synapse_port_db index c02dff5ba..62515997b 100755 --- a/scripts/synapse_port_db +++ b/scripts/synapse_port_db @@ -29,7 +29,7 @@ import traceback import yaml -logger = logging.getLogger("port_from_sqlite_to_postgres") +logger = logging.getLogger("synapse_port_db") BOOLEAN_COLUMNS = { @@ -95,8 +95,6 @@ class Store(object): _simple_update_one = SQLBaseStore.__dict__["_simple_update_one"] _simple_update_one_txn = SQLBaseStore.__dict__["_simple_update_one_txn"] - _execute_and_decode = SQLBaseStore.__dict__["_execute_and_decode"] - def runInteraction(self, desc, func, *args, **kwargs): def r(conn): try: diff --git a/setup.cfg b/setup.cfg index abb649958..ba027c7d1 100644 --- a/setup.cfg +++ b/setup.cfg @@ -3,9 +3,6 @@ source-dir = docs/sphinx build-dir = docs/build all_files = 1 -[aliases] -test = trial - [trial] test_suite = tests diff --git a/setup.py b/setup.py index 60ab8c789..9d24761d4 100755 --- a/setup.py +++ b/setup.py @@ -16,7 +16,8 @@ import glob import os -from setuptools import setup, find_packages +from setuptools import setup, find_packages, Command +import sys here = os.path.abspath(os.path.dirname(__file__)) @@ -37,6 +38,39 @@ def exec_file(path_segments): exec(code, result) return result + +class Tox(Command): + user_options = [('tox-args=', 'a', "Arguments to pass to tox")] + + def initialize_options(self): + self.tox_args = None + + def finalize_options(self): + self.test_args = [] + self.test_suite = True + + def run(self): + #import here, cause outside the eggs aren't loaded + try: + import tox + except ImportError: + try: + self.distribution.fetch_build_eggs("tox") + import tox + except: + raise RuntimeError( + "The tests need 'tox' to run. Please install 'tox'." + ) + import shlex + args = self.tox_args + if args: + args = shlex.split(self.tox_args) + else: + args = [] + errno = tox.cmdline(args=args) + sys.exit(errno) + + version = exec_file(("synapse", "__init__.py"))["__version__"] dependencies = exec_file(("synapse", "python_dependencies.py")) long_description = read_file(("README.rst",)) @@ -47,14 +81,10 @@ setup( packages=find_packages(exclude=["tests", "tests.*"]), description="Reference Synapse Home Server", install_requires=dependencies['requirements'](include_conditional=True).keys(), - setup_requires=[ - "Twisted>=15.1.0", # Here to override setuptools_trial's dependency on Twisted>=2.4.0 - "setuptools_trial", - "mock" - ], dependency_links=dependencies["DEPENDENCY_LINKS"].values(), include_package_data=True, zip_safe=False, long_description=long_description, scripts=["synctl"] + glob.glob("scripts/*"), + cmdclass={'test': Tox}, ) diff --git a/synapse/__init__.py b/synapse/__init__.py index d62294e6b..f0eac97ba 100644 --- a/synapse/__init__.py +++ b/synapse/__init__.py @@ -16,4 +16,4 @@ """ This is a reference implementation of a Matrix home server. """ -__version__ = "0.10.0-r2" +__version__ = "0.11.0" diff --git a/synapse/api/auth.py b/synapse/api/auth.py index 1e3b0fbfb..8111b3442 100644 --- a/synapse/api/auth.py +++ b/synapse/api/auth.py @@ -14,15 +14,20 @@ # limitations under the License. """This module contains classes for authenticating the user.""" +from canonicaljson import encode_canonical_json +from signedjson.key import decode_verify_key_bytes +from signedjson.sign import verify_signed_json, SignatureVerifyException from twisted.internet import defer from synapse.api.constants import EventTypes, Membership, JoinRules -from synapse.api.errors import AuthError, Codes, SynapseError +from synapse.api.errors import AuthError, Codes, SynapseError, EventSizeError +from synapse.types import RoomID, UserID, EventID from synapse.util.logutils import log_function -from synapse.types import UserID, ClientInfo +from unpaddedbase64 import decode_base64 import logging +import pymacaroons logger = logging.getLogger(__name__) @@ -30,6 +35,7 @@ logger = logging.getLogger(__name__) AuthEventTypes = ( EventTypes.Create, EventTypes.Member, EventTypes.PowerLevels, EventTypes.JoinRules, EventTypes.RoomHistoryVisibility, + EventTypes.ThirdPartyInvite, ) @@ -40,6 +46,13 @@ class Auth(object): self.store = hs.get_datastore() self.state = hs.get_state_handler() self.TOKEN_NOT_FOUND_HTTP_STATUS = 401 + self._KNOWN_CAVEAT_PREFIXES = set([ + "gen = ", + "guest = ", + "type = ", + "time < ", + "user_id = ", + ]) def check(self, event, auth_events): """ Checks if this event is correctly authed. @@ -52,6 +65,8 @@ class Auth(object): Returns: True if the auth checks pass. """ + self.check_size_limits(event) + try: if not hasattr(event, "room_id"): raise AuthError(500, "Event has no room_id: %s" % event) @@ -65,6 +80,23 @@ class Auth(object): # FIXME return True + creation_event = auth_events.get((EventTypes.Create, ""), None) + + if not creation_event: + raise SynapseError( + 403, + "Room %r does not exist" % (event.room_id,) + ) + + creating_domain = RoomID.from_string(event.room_id).domain + originating_domain = UserID.from_string(event.sender).domain + if creating_domain != originating_domain: + if not self.can_federate(event, auth_events): + raise AuthError( + 403, + "This room has been marked as unfederatable." + ) + # FIXME: Temp hack if event.type == EventTypes.Aliases: return True @@ -91,7 +123,7 @@ class Auth(object): self._check_power_levels(event, auth_events) if event.type == EventTypes.Redaction: - self._check_redaction(event, auth_events) + self.check_redaction(event, auth_events) logger.debug("Allowing! %s", event) except AuthError as e: @@ -102,8 +134,39 @@ class Auth(object): logger.info("Denying! %s", event) raise + def check_size_limits(self, event): + def too_big(field): + raise EventSizeError("%s too large" % (field,)) + + if len(event.user_id) > 255: + too_big("user_id") + if len(event.room_id) > 255: + too_big("room_id") + if event.is_state() and len(event.state_key) > 255: + too_big("state_key") + if len(event.type) > 255: + too_big("type") + if len(event.event_id) > 255: + too_big("event_id") + if len(encode_canonical_json(event.get_pdu_json())) > 65536: + too_big("event") + @defer.inlineCallbacks def check_joined_room(self, room_id, user_id, current_state=None): + """Check if the user is currently joined in the room + Args: + room_id(str): The room to check. + user_id(str): The user to check. + current_state(dict): Optional map of the current state of the room. + If provided then that map is used to check whether they are a + member of the room. Otherwise the current membership is + loaded from the database. + Raises: + AuthError if the user is not in the room. + Returns: + A deferred membership event for the user if the user is in + the room. + """ if current_state: member = current_state.get( (EventTypes.Member, user_id), @@ -119,6 +182,33 @@ class Auth(object): self._check_joined_room(member, user_id, room_id) defer.returnValue(member) + @defer.inlineCallbacks + def check_user_was_in_room(self, room_id, user_id): + """Check if the user was in the room at some point. + Args: + room_id(str): The room to check. + user_id(str): The user to check. + Raises: + AuthError if the user was never in the room. + Returns: + A deferred membership event for the user if the user was in the + room. This will be the join event if they are currently joined to + the room. This will be the leave event if they have left the room. + """ + member = yield self.state.get_current_state( + room_id=room_id, + event_type=EventTypes.Member, + state_key=user_id + ) + membership = member.membership if member else None + + if membership not in (Membership.JOIN, Membership.LEAVE): + raise AuthError(403, "User %s not in room %s" % ( + user_id, room_id + )) + + defer.returnValue(member) + @defer.inlineCallbacks def check_host_in_room(self, room_id, host): curr_state = yield self.state.get_current_state(room_id) @@ -153,6 +243,11 @@ class Auth(object): user_id, room_id, repr(member) )) + def can_federate(self, event, auth_events): + creation_event = auth_events.get((EventTypes.Create, "")) + + return creation_event.content.get("m.federate", True) is True + @log_function def is_membership_change_allowed(self, event, auth_events): membership = event.content["membership"] @@ -168,6 +263,15 @@ class Auth(object): target_user_id = event.state_key + creating_domain = RoomID.from_string(event.room_id).domain + target_domain = UserID.from_string(target_user_id).domain + if creating_domain != target_domain: + if not self.can_federate(event, auth_events): + raise AuthError( + 403, + "This room has been marked as unfederatable." + ) + # get info about the caller key = (EventTypes.Member, event.user_id, ) caller = auth_events.get(key) @@ -213,8 +317,17 @@ class Auth(object): } ) + if Membership.INVITE == membership and "third_party_invite" in event.content: + if not self._verify_third_party_invite(event, auth_events): + raise AuthError(403, "You are not invited to this room.") + return True + if Membership.JOIN != membership: - # JOIN is the only action you can perform if you're not in the room + if (caller_invited + and Membership.LEAVE == membership + and target_user_id == event.user_id): + return True + if not caller_in_room: # caller isn't joined raise AuthError( 403, @@ -278,6 +391,66 @@ class Auth(object): return True + def _verify_third_party_invite(self, event, auth_events): + """ + Validates that the invite event is authorized by a previous third-party invite. + + Checks that the public key, and keyserver, match those in the third party invite, + and that the invite event has a signature issued using that public key. + + Args: + event: The m.room.member join event being validated. + auth_events: All relevant previous context events which may be used + for authorization decisions. + + Return: + True if the event fulfills the expectations of a previous third party + invite event. + """ + if "third_party_invite" not in event.content: + return False + if "signed" not in event.content["third_party_invite"]: + return False + signed = event.content["third_party_invite"]["signed"] + for key in {"mxid", "token"}: + if key not in signed: + return False + + token = signed["token"] + + invite_event = auth_events.get( + (EventTypes.ThirdPartyInvite, token,) + ) + if not invite_event: + return False + + if event.user_id != invite_event.user_id: + return False + try: + public_key = invite_event.content["public_key"] + if signed["mxid"] != event.state_key: + return False + if signed["token"] != token: + return False + for server, signature_block in signed["signatures"].items(): + for key_name, encoded_signature in signature_block.items(): + if not key_name.startswith("ed25519:"): + return False + verify_key = decode_verify_key_bytes( + key_name, + decode_base64(public_key) + ) + verify_signed_json(signed, server, verify_key) + + # We got the public key from the invite, so we know that the + # correct server signed the signed bundle. + # The caller is responsible for checking that the signing + # server has not revoked that public key. + return True + return False + except (KeyError, SignatureVerifyException,): + return False + def _get_power_level_event(self, auth_events): key = (EventTypes.PowerLevels, "", ) return auth_events.get(key) @@ -316,15 +489,15 @@ class Auth(object): return default @defer.inlineCallbacks - def get_user_by_req(self, request): + def get_user_by_req(self, request, allow_guest=False): """ Get a registered user's ID. Args: request - An HTTP request with an access_token query parameter. Returns: - tuple : of UserID and device string: - User ID object of the user making the request - ClientInfo object of the client instance the user is using + tuple of: + UserID (str) + Access token ID (str) Raises: AuthError if no user by that token exists or the token is invalid. """ @@ -354,17 +527,15 @@ class Auth(object): request.authenticated_entity = user_id - defer.returnValue( - (UserID.from_string(user_id), ClientInfo("", "")) - ) + defer.returnValue((UserID.from_string(user_id), "", False)) return except KeyError: pass # normal users won't have the user_id query parameter set. - user_info = yield self.get_user_by_token(access_token) + user_info = yield self._get_user_by_access_token(access_token) user = user_info["user"] - device_id = user_info["device_id"] token_id = user_info["token_id"] + is_guest = user_info["is_guest"] ip_addr = self.hs.get_ip_from_request(request) user_agent = request.requestHeaders.getRawHeaders( @@ -375,14 +546,18 @@ class Auth(object): self.store.insert_client_ip( user=user, access_token=access_token, - device_id=user_info["device_id"], ip=ip_addr, user_agent=user_agent ) + if is_guest and not allow_guest: + raise AuthError( + 403, "Guest access not allowed", errcode=Codes.GUEST_ACCESS_FORBIDDEN + ) + request.authenticated_entity = user.to_string() - defer.returnValue((user, ClientInfo(device_id, token_id))) + defer.returnValue((user, token_id, is_guest,)) except KeyError: raise AuthError( self.TOKEN_NOT_FOUND_HTTP_STATUS, "Missing access token.", @@ -390,30 +565,124 @@ class Auth(object): ) @defer.inlineCallbacks - def get_user_by_token(self, token): + def _get_user_by_access_token(self, token): """ Get a registered user's ID. Args: token (str): The access token to get the user by. Returns: - dict : dict that includes the user, device_id, and whether the - user is a server admin. + dict : dict that includes the user and the ID of their access token. Raises: AuthError if no user by that token exists or the token is invalid. """ - ret = yield self.store.get_user_by_token(token) + try: + ret = yield self._get_user_from_macaroon(token) + except AuthError: + # TODO(daniel): Remove this fallback when all existing access tokens + # have been re-issued as macaroons. + ret = yield self._look_up_user_by_access_token(token) + defer.returnValue(ret) + + @defer.inlineCallbacks + def _get_user_from_macaroon(self, macaroon_str): + try: + macaroon = pymacaroons.Macaroon.deserialize(macaroon_str) + self.validate_macaroon( + macaroon, "access", + [lambda c: c.startswith("time < ")] + ) + + user_prefix = "user_id = " + user = None + guest = False + for caveat in macaroon.caveats: + if caveat.caveat_id.startswith(user_prefix): + user = UserID.from_string(caveat.caveat_id[len(user_prefix):]) + elif caveat.caveat_id == "guest = true": + guest = True + + if user is None: + raise AuthError( + self.TOKEN_NOT_FOUND_HTTP_STATUS, "No user caveat in macaroon", + errcode=Codes.UNKNOWN_TOKEN + ) + + if guest: + ret = { + "user": user, + "is_guest": True, + "token_id": None, + } + else: + # This codepath exists so that we can actually return a + # token ID, because we use token IDs in place of device + # identifiers throughout the codebase. + # TODO(daniel): Remove this fallback when device IDs are + # properly implemented. + ret = yield self._look_up_user_by_access_token(macaroon_str) + if ret["user"] != user: + logger.error( + "Macaroon user (%s) != DB user (%s)", + user, + ret["user"] + ) + raise AuthError( + self.TOKEN_NOT_FOUND_HTTP_STATUS, + "User mismatch in macaroon", + errcode=Codes.UNKNOWN_TOKEN + ) + defer.returnValue(ret) + except (pymacaroons.exceptions.MacaroonException, TypeError, ValueError): + raise AuthError( + self.TOKEN_NOT_FOUND_HTTP_STATUS, "Invalid macaroon passed.", + errcode=Codes.UNKNOWN_TOKEN + ) + + def validate_macaroon(self, macaroon, type_string, additional_validation_functions): + v = pymacaroons.Verifier() + v.satisfy_exact("gen = 1") + v.satisfy_exact("type = " + type_string) + v.satisfy_general(lambda c: c.startswith("user_id = ")) + v.satisfy_exact("guest = true") + + for validation_function in additional_validation_functions: + v.satisfy_general(validation_function) + v.verify(macaroon, self.hs.config.macaroon_secret_key) + + v = pymacaroons.Verifier() + v.satisfy_general(self._verify_recognizes_caveats) + v.verify(macaroon, self.hs.config.macaroon_secret_key) + + def verify_expiry(self, caveat): + prefix = "time < " + if not caveat.startswith(prefix): + return False + expiry = int(caveat[len(prefix):]) + now = self.hs.get_clock().time_msec() + return now < expiry + + def _verify_recognizes_caveats(self, caveat): + first_space = caveat.find(" ") + if first_space < 0: + return False + second_space = caveat.find(" ", first_space + 1) + if second_space < 0: + return False + return caveat[:second_space + 1] in self._KNOWN_CAVEAT_PREFIXES + + @defer.inlineCallbacks + def _look_up_user_by_access_token(self, token): + ret = yield self.store.get_user_by_access_token(token) if not ret: raise AuthError( self.TOKEN_NOT_FOUND_HTTP_STATUS, "Unrecognised access token.", errcode=Codes.UNKNOWN_TOKEN ) user_info = { - "admin": bool(ret.get("admin", False)), - "device_id": ret.get("device_id"), "user": UserID.from_string(ret.get("name")), "token_id": ret.get("token_id", None), + "is_guest": False, } - defer.returnValue(user_info) @defer.inlineCallbacks @@ -488,6 +757,16 @@ class Auth(object): else: if member_event: auth_ids.append(member_event.event_id) + + if e_type == Membership.INVITE: + if "third_party_invite" in event.content: + key = ( + EventTypes.ThirdPartyInvite, + event.content["third_party_invite"]["token"] + ) + third_party_invite = current_state.get(key) + if third_party_invite: + auth_ids.append(third_party_invite.event_id) elif member_event: if member_event.content["membership"] == Membership.JOIN: auth_ids.append(member_event.event_id) @@ -548,16 +827,35 @@ class Auth(object): return True - def _check_redaction(self, event, auth_events): + def check_redaction(self, event, auth_events): + """Check whether the event sender is allowed to redact the target event. + + Returns: + True if the the sender is allowed to redact the target event if the + target event was created by them. + False if the sender is allowed to redact the target event with no + further checks. + + Raises: + AuthError if the event sender is definitely not allowed to redact + the target event. + """ user_level = self._get_user_power_level(event.user_id, auth_events) redact_level = self._get_named_level(auth_events, "redact", 50) - if user_level < redact_level: - raise AuthError( - 403, - "You don't have permission to redact events" - ) + if user_level > redact_level: + return False + + redacter_domain = EventID.from_string(event.event_id).domain + redactee_domain = EventID.from_string(event.redacts).domain + if redacter_domain == redactee_domain: + return True + + raise AuthError( + 403, + "You don't have permission to redact events" + ) def _check_power_levels(self, event, auth_events): user_list = event.content.get("users", {}) diff --git a/synapse/api/constants.py b/synapse/api/constants.py index 1423986c1..c2450b771 100644 --- a/synapse/api/constants.py +++ b/synapse/api/constants.py @@ -27,16 +27,6 @@ class Membership(object): LIST = (INVITE, JOIN, KNOCK, LEAVE, BAN) -class Feedback(object): - - """Represents the types of feedback a user can send in response to a - message.""" - - DELIVERED = u"delivered" - READ = u"read" - LIST = (DELIVERED, READ) - - class PresenceState(object): """Represents the presence state of a user.""" OFFLINE = u"offline" @@ -73,11 +63,12 @@ class EventTypes(object): PowerLevels = "m.room.power_levels" Aliases = "m.room.aliases" Redaction = "m.room.redaction" - Feedback = "m.room.message.feedback" + ThirdPartyInvite = "m.room.third_party_invite" RoomHistoryVisibility = "m.room.history_visibility" CanonicalAlias = "m.room.canonical_alias" RoomAvatar = "m.room.avatar" + GuestAccess = "m.room.guest_access" # These are used for validation Message = "m.room.message" @@ -94,3 +85,4 @@ class RejectedReason(object): class RoomCreationPreset(object): PRIVATE_CHAT = "private_chat" PUBLIC_CHAT = "public_chat" + TRUSTED_PRIVATE_CHAT = "trusted_private_chat" diff --git a/synapse/api/errors.py b/synapse/api/errors.py index c3b4d971a..d4037b3d5 100644 --- a/synapse/api/errors.py +++ b/synapse/api/errors.py @@ -33,6 +33,7 @@ class Codes(object): NOT_FOUND = "M_NOT_FOUND" MISSING_TOKEN = "M_MISSING_TOKEN" UNKNOWN_TOKEN = "M_UNKNOWN_TOKEN" + GUEST_ACCESS_FORBIDDEN = "M_GUEST_ACCESS_FORBIDDEN" LIMIT_EXCEEDED = "M_LIMIT_EXCEEDED" CAPTCHA_NEEDED = "M_CAPTCHA_NEEDED" CAPTCHA_INVALID = "M_CAPTCHA_INVALID" @@ -47,7 +48,6 @@ class CodeMessageException(RuntimeError): """An exception with integer code and message string attributes.""" def __init__(self, code, msg): - logger.info("%s: %s, %s", type(self).__name__, code, msg) super(CodeMessageException, self).__init__("%d: %s" % (code, msg)) self.code = code self.msg = msg @@ -77,11 +77,6 @@ class SynapseError(CodeMessageException): ) -class RoomError(SynapseError): - """An error raised when a room event fails.""" - pass - - class RegistrationError(SynapseError): """An error raised when a registration event fails.""" pass @@ -125,6 +120,15 @@ class AuthError(SynapseError): super(AuthError, self).__init__(*args, **kwargs) +class EventSizeError(SynapseError): + """An error raised when an event is too big.""" + + def __init__(self, *args, **kwargs): + if "errcode" not in kwargs: + kwargs["errcode"] = Codes.TOO_LARGE + super(EventSizeError, self).__init__(413, *args, **kwargs) + + class EventStreamError(SynapseError): """An error raised when there a problem with the event stream.""" def __init__(self, *args, **kwargs): diff --git a/synapse/api/filtering.py b/synapse/api/filtering.py index 4d570b74f..aaa2433ca 100644 --- a/synapse/api/filtering.py +++ b/synapse/api/filtering.py @@ -24,7 +24,7 @@ class Filtering(object): def get_user_filter(self, user_localpart, filter_id): result = self.store.get_user_filter(user_localpart, filter_id) - result.addCallback(Filter) + result.addCallback(FilterCollection) return result def add_user_filter(self, user_localpart, user_filter): @@ -50,11 +50,11 @@ class Filtering(object): # many definitions. top_level_definitions = [ - "public_user_data", "private_user_data", "server_data" + "presence" ] room_level_definitions = [ - "state", "events", "ephemeral" + "state", "timeline", "ephemeral", "private_user_data" ] for key in top_level_definitions: @@ -114,116 +114,134 @@ class Filtering(object): if not isinstance(event_type, basestring): raise SynapseError(400, "Event type should be a string") - if "format" in definition: - event_format = definition["format"] - if event_format not in ["federation", "events"]: - raise SynapseError(400, "Invalid format: %s" % (event_format,)) - if "select" in definition: - event_select_list = definition["select"] - for select_key in event_select_list: - if select_key not in ["event_id", "origin_server_ts", - "thread_id", "content", "content.body"]: - raise SynapseError(400, "Bad select: %s" % (select_key,)) +class FilterCollection(object): + def __init__(self, filter_json): + self.filter_json = filter_json - if ("bundle_updates" in definition and - type(definition["bundle_updates"]) != bool): - raise SynapseError(400, "Bad bundle_updates: expected bool.") + self.room_timeline_filter = Filter( + self.filter_json.get("room", {}).get("timeline", {}) + ) + + self.room_state_filter = Filter( + self.filter_json.get("room", {}).get("state", {}) + ) + + self.room_ephemeral_filter = Filter( + self.filter_json.get("room", {}).get("ephemeral", {}) + ) + + self.room_private_user_data = Filter( + self.filter_json.get("room", {}).get("private_user_data", {}) + ) + + self.presence_filter = Filter( + self.filter_json.get("presence", {}) + ) + + def timeline_limit(self): + return self.room_timeline_filter.limit() + + def presence_limit(self): + return self.presence_filter.limit() + + def ephemeral_limit(self): + return self.room_ephemeral_filter.limit() + + def filter_presence(self, events): + return self.presence_filter.filter(events) + + def filter_room_state(self, events): + return self.room_state_filter.filter(events) + + def filter_room_timeline(self, events): + return self.room_timeline_filter.filter(events) + + def filter_room_ephemeral(self, events): + return self.room_ephemeral_filter.filter(events) + + def filter_room_private_user_data(self, events): + return self.room_private_user_data.filter(events) class Filter(object): def __init__(self, filter_json): self.filter_json = filter_json - def filter_public_user_data(self, events): - return self._filter_on_key(events, ["public_user_data"]) + def check(self, event): + """Checks whether the filter matches the given event. - def filter_private_user_data(self, events): - return self._filter_on_key(events, ["private_user_data"]) - - def filter_room_state(self, events): - return self._filter_on_key(events, ["room", "state"]) - - def filter_room_events(self, events): - return self._filter_on_key(events, ["room", "events"]) - - def filter_room_ephemeral(self, events): - return self._filter_on_key(events, ["room", "ephemeral"]) - - def _filter_on_key(self, events, keys): - filter_json = self.filter_json - if not filter_json: - return events - - try: - # extract the right definition from the filter - definition = filter_json - for key in keys: - definition = definition[key] - return self._filter_with_definition(events, definition) - except KeyError: - # return all events if definition isn't specified. - return events - - def _filter_with_definition(self, events, definition): - return [e for e in events if self._passes_definition(definition, e)] - - def _passes_definition(self, definition, event): - """Check if the event passes through the given definition. - - Args: - definition(dict): The definition to check against. - event(Event): The event to check. Returns: - True if the event passes through the filter. + bool: True if the event matches """ - # Algorithm notes: - # For each key in the definition, check the event meets the criteria: - # * For types: Literal match or prefix match (if ends with wildcard) - # * For senders/rooms: Literal match only - # * "not_" checks take presedence (e.g. if "m.*" is in both 'types' - # and 'not_types' then it is treated as only being in 'not_types') + if isinstance(event, dict): + return self.check_fields( + event.get("room_id", None), + event.get("sender", None), + event.get("type", None), + ) + else: + return self.check_fields( + getattr(event, "room_id", None), + getattr(event, "sender", None), + event.type, + ) - # room checks - if hasattr(event, "room_id"): - room_id = event.room_id - allow_rooms = definition.get("rooms", None) - reject_rooms = definition.get("not_rooms", None) - if reject_rooms and room_id in reject_rooms: - return False - if allow_rooms and room_id not in allow_rooms: + def check_fields(self, room_id, sender, event_type): + """Checks whether the filter matches the given event fields. + + Returns: + bool: True if the event fields match + """ + literal_keys = { + "rooms": lambda v: room_id == v, + "senders": lambda v: sender == v, + "types": lambda v: _matches_wildcard(event_type, v) + } + + for name, match_func in literal_keys.items(): + not_name = "not_%s" % (name,) + disallowed_values = self.filter_json.get(not_name, []) + if any(map(match_func, disallowed_values)): return False - # sender checks - if hasattr(event, "sender"): - # Should we be including event.state_key for some event types? - sender = event.sender - allow_senders = definition.get("senders", None) - reject_senders = definition.get("not_senders", None) - if reject_senders and sender in reject_senders: - return False - if allow_senders and sender not in allow_senders: - return False - - # type checks - if "not_types" in definition: - for def_type in definition["not_types"]: - if self._event_matches_type(event, def_type): + allowed_values = self.filter_json.get(name, None) + if allowed_values is not None: + if not any(map(match_func, allowed_values)): return False - if "types" in definition: - included = False - for def_type in definition["types"]: - if self._event_matches_type(event, def_type): - included = True - break - if not included: - return False return True - def _event_matches_type(self, event, def_type): - if def_type.endswith("*"): - type_prefix = def_type[:-1] - return event.type.startswith(type_prefix) - else: - return event.type == def_type + def filter_rooms(self, room_ids): + """Apply the 'rooms' filter to a given list of rooms. + + Args: + room_ids (list): A list of room_ids. + + Returns: + list: A list of room_ids that match the filter + """ + room_ids = set(room_ids) + + disallowed_rooms = set(self.filter_json.get("not_rooms", [])) + room_ids -= disallowed_rooms + + allowed_rooms = self.filter_json.get("rooms", None) + if allowed_rooms is not None: + room_ids &= set(allowed_rooms) + + return room_ids + + def filter(self, events): + return filter(self.check, events) + + def limit(self): + return self.filter_json.get("limit", 10) + + +def _matches_wildcard(actual_value, filter_value): + if filter_value.endswith("*"): + type_prefix = filter_value[:-1] + return actual_value.startswith(type_prefix) + else: + return actual_value == filter_value diff --git a/synapse/app/homeserver.py b/synapse/app/homeserver.py index fefefffb8..cd7a52ec0 100755 --- a/synapse/app/homeserver.py +++ b/synapse/app/homeserver.py @@ -16,20 +16,31 @@ import sys sys.dont_write_bytecode = True -from synapse.python_dependencies import check_requirements, DEPENDENCY_LINKS +from synapse.python_dependencies import ( + check_requirements, DEPENDENCY_LINKS, MissingRequirementError +) if __name__ == '__main__': - check_requirements() + try: + check_requirements() + except MissingRequirementError as e: + message = "\n".join([ + "Missing Requirement: %s" % (e.message,), + "To install run:", + " pip install --upgrade --force \"%s\"" % (e.dependency,), + "", + ]) + sys.stderr.writelines(message) + sys.exit(1) from synapse.storage.engines import create_engine, IncorrectDatabaseSetup -from synapse.storage import ( - are_all_users_on_domain, UpgradeDatabaseException, -) +from synapse.storage import are_all_users_on_domain +from synapse.storage.prepare_database import UpgradeDatabaseException from synapse.server import HomeServer -from twisted.internet import reactor +from twisted.internet import reactor, task, defer from twisted.application import service from twisted.enterprise import adbapi from twisted.web.resource import Resource, EncodingResourceWrapper @@ -72,12 +83,6 @@ import time logger = logging.getLogger("synapse.app.homeserver") -class GzipFile(File): - def getChild(self, path, request): - child = File.getChild(self, path, request) - return EncodingResourceWrapper(child, [GzipEncoderFactory()]) - - def gz_wrap(r): return EncodingResourceWrapper(r, [GzipEncoderFactory()]) @@ -121,12 +126,15 @@ class SynapseHomeServer(HomeServer): # (It can stay enabled for the API resources: they call # write() with the whole body and then finish() straight # after and so do not trigger the bug. + # GzipFile was removed in commit 184ba09 # return GzipFile(webclient_path) # TODO configurable? return File(webclient_path) # TODO configurable? def build_resource_for_static_content(self): # This is old and should go away: not going to bother adding gzip - return File("static") + return File( + os.path.join(os.path.dirname(synapse.__file__), "static") + ) def build_resource_for_content_repo(self): return ContentRepoResource( @@ -221,7 +229,7 @@ class SynapseHomeServer(HomeServer): listener_config, root_resource, ), - self.tls_context_factory, + self.tls_server_context_factory, interface=bind_address ) else: @@ -365,7 +373,6 @@ def setup(config_options): Args: config_options_options: The options passed to Synapse. Usually `sys.argv[1:]`. - should_run (bool): Whether to start the reactor. Returns: HomeServer @@ -388,7 +395,7 @@ def setup(config_options): events.USE_FROZEN_DICTS = config.use_frozen_dicts - tls_context_factory = context_factory.ServerContextFactory(config) + tls_server_context_factory = context_factory.ServerContextFactory(config) database_engine = create_engine(config.database_config["name"]) config.database_config["args"]["cp_openfun"] = database_engine.on_new_connection @@ -396,14 +403,14 @@ def setup(config_options): hs = SynapseHomeServer( config.server_name, db_config=config.database_config, - tls_context_factory=tls_context_factory, + tls_server_context_factory=tls_server_context_factory, config=config, content_addr=config.content_addr, version_string=version_string, database_engine=database_engine, ) - logger.info("Preparing database: %r...", config.database_config) + logger.info("Preparing database: %s...", config.database_config['name']) try: db_conn = database_engine.module.connect( @@ -425,13 +432,14 @@ def setup(config_options): ) sys.exit(1) - logger.info("Database prepared in %r.", config.database_config) + logger.info("Database prepared in %s.", config.database_config['name']) hs.start_listening() hs.get_pusherpool().start() hs.get_state_handler().start_caching() hs.get_datastore().start_profiling() + hs.get_datastore().start_doing_background_updates() hs.get_replication_layer().start_get_pdu_cache() return hs @@ -665,6 +673,42 @@ def run(hs): ThreadPool._worker = profile(ThreadPool._worker) reactor.run = profile(reactor.run) + start_time = hs.get_clock().time() + + @defer.inlineCallbacks + def phone_stats_home(): + now = int(hs.get_clock().time()) + uptime = int(now - start_time) + if uptime < 0: + uptime = 0 + + stats = {} + stats["homeserver"] = hs.config.server_name + stats["timestamp"] = now + stats["uptime_seconds"] = uptime + stats["total_users"] = yield hs.get_datastore().count_all_users() + + all_rooms = yield hs.get_datastore().get_rooms(False) + stats["total_room_count"] = len(all_rooms) + + stats["daily_active_users"] = yield hs.get_datastore().count_daily_users() + daily_messages = yield hs.get_datastore().count_daily_messages() + if daily_messages is not None: + stats["daily_messages"] = daily_messages + + logger.info("Reporting stats to matrix.org: %s" % (stats,)) + try: + yield hs.get_simple_http_client().put_json( + "https://matrix.org/report-usage-stats/push", + stats + ) + except Exception as e: + logger.warn("Error reporting stats: %s", e) + + if hs.config.report_stats: + phone_home_task = task.LoopingCall(phone_stats_home) + phone_home_task.start(60 * 60 * 24, now=False) + def in_thread(): with LoggingContext("run"): change_resource_limit(hs.config.soft_file_limit) diff --git a/synapse/app/synctl.py b/synapse/app/synctl.py index 1f7d543c3..5d82beed0 100755 --- a/synapse/app/synctl.py +++ b/synapse/app/synctl.py @@ -16,57 +16,67 @@ import sys import os +import os.path import subprocess import signal import yaml SYNAPSE = ["python", "-B", "-m", "synapse.app.homeserver"] -CONFIGFILE = "homeserver.yaml" - GREEN = "\x1b[1;32m" +RED = "\x1b[1;31m" NORMAL = "\x1b[m" -if not os.path.exists(CONFIGFILE): - sys.stderr.write( - "No config file found\n" - "To generate a config file, run '%s -c %s --generate-config" - " --server-name='\n" % ( - " ".join(SYNAPSE), CONFIGFILE - ) - ) - sys.exit(1) -CONFIG = yaml.load(open(CONFIGFILE)) -PIDFILE = CONFIG["pid_file"] - - -def start(): +def start(configfile): print "Starting ...", args = SYNAPSE - args.extend(["--daemonize", "-c", CONFIGFILE]) - subprocess.check_call(args) - print GREEN + "started" + NORMAL + args.extend(["--daemonize", "-c", configfile]) + + try: + subprocess.check_call(args) + print GREEN + "started" + NORMAL + except subprocess.CalledProcessError as e: + print ( + RED + + "error starting (exit code: %d); see above for logs" % e.returncode + + NORMAL + ) -def stop(): - if os.path.exists(PIDFILE): - pid = int(open(PIDFILE).read()) +def stop(pidfile): + if os.path.exists(pidfile): + pid = int(open(pidfile).read()) os.kill(pid, signal.SIGTERM) print GREEN + "stopped" + NORMAL def main(): + configfile = sys.argv[2] if len(sys.argv) == 3 else "homeserver.yaml" + + if not os.path.exists(configfile): + sys.stderr.write( + "No config file found\n" + "To generate a config file, run '%s -c %s --generate-config" + " --server-name='\n" % ( + " ".join(SYNAPSE), configfile + ) + ) + sys.exit(1) + + config = yaml.load(open(configfile)) + pidfile = config["pid_file"] + action = sys.argv[1] if sys.argv[1:] else "usage" if action == "start": - start() + start(configfile) elif action == "stop": - stop() + stop(pidfile) elif action == "restart": - stop() - start() + stop(pidfile) + start(configfile) else: - sys.stderr.write("Usage: %s [start|stop|restart]\n" % (sys.argv[0],)) + sys.stderr.write("Usage: %s [start|stop|restart] [configfile]\n" % (sys.argv[0],)) sys.exit(1) diff --git a/synapse/appservice/scheduler.py b/synapse/appservice/scheduler.py index 59b0b1f4a..44dc2c474 100644 --- a/synapse/appservice/scheduler.py +++ b/synapse/appservice/scheduler.py @@ -224,8 +224,8 @@ class _Recoverer(object): self.clock.call_later((2 ** self.backoff_counter), self.retry) def _backoff(self): - # cap the backoff to be around 18h => (2^16) = 65536 secs - if self.backoff_counter < 16: + # cap the backoff to be around 8.5min => (2^9) = 512 secs + if self.backoff_counter < 9: self.backoff_counter += 1 self.recover() diff --git a/synapse/config/_base.py b/synapse/config/_base.py index 8a75c4873..c18e0bdbb 100644 --- a/synapse/config/_base.py +++ b/synapse/config/_base.py @@ -14,6 +14,7 @@ # limitations under the License. import argparse +import errno import os import yaml import sys @@ -26,6 +27,16 @@ class ConfigError(Exception): class Config(object): + stats_reporting_begging_spiel = ( + "We would really appreciate it if you could help our project out by" + " reporting anonymized usage statistics from your homeserver. Only very" + " basic aggregate data (e.g. number of users) will be reported, but it" + " helps us to track the growth of the Matrix community, and helps us to" + " make Matrix a success, as well as to convince other networks that they" + " should peer with us." + "\nThank you." + ) + @staticmethod def parse_size(value): if isinstance(value, int) or isinstance(value, long): @@ -81,8 +92,11 @@ class Config(object): @classmethod def ensure_directory(cls, dir_path): dir_path = cls.abspath(dir_path) - if not os.path.exists(dir_path): + try: os.makedirs(dir_path) + except OSError, e: + if e.errno != errno.EEXIST: + raise if not os.path.isdir(dir_path): raise ConfigError( "%s is not a directory" % (dir_path,) @@ -111,11 +125,14 @@ class Config(object): results.append(getattr(cls, name)(self, *args, **kargs)) return results - def generate_config(self, config_dir_path, server_name): + def generate_config(self, config_dir_path, server_name, report_stats=None): default_config = "# vim:ft=yaml\n" default_config += "\n\n".join(dedent(conf) for conf in self.invoke_all( - "default_config", config_dir_path, server_name + "default_config", + config_dir_path=config_dir_path, + server_name=server_name, + report_stats=report_stats, )) config = yaml.load(default_config) @@ -139,6 +156,12 @@ class Config(object): action="store_true", help="Generate a config file for the server name" ) + config_parser.add_argument( + "--report-stats", + action="store", + help="Stuff", + choices=["yes", "no"] + ) config_parser.add_argument( "--generate-keys", action="store_true", @@ -189,6 +212,11 @@ class Config(object): config_files.append(config_path) if config_args.generate_config: + if config_args.report_stats is None: + config_parser.error( + "Please specify either --report-stats=yes or --report-stats=no\n\n" + + cls.stats_reporting_begging_spiel + ) if not config_files: config_parser.error( "Must supply a config file.\nA config file can be automatically" @@ -211,7 +239,9 @@ class Config(object): os.makedirs(config_dir_path) with open(config_path, "wb") as config_file: config_bytes, config = obj.generate_config( - config_dir_path, server_name + config_dir_path=config_dir_path, + server_name=server_name, + report_stats=(config_args.report_stats == "yes"), ) obj.invoke_all("generate_files", config) config_file.write(config_bytes) @@ -261,9 +291,20 @@ class Config(object): specified_config.update(yaml_config) server_name = specified_config["server_name"] - _, config = obj.generate_config(config_dir_path, server_name) + _, config = obj.generate_config( + config_dir_path=config_dir_path, + server_name=server_name + ) config.pop("log_config") config.update(specified_config) + if "report_stats" not in config: + sys.stderr.write( + "Please opt in or out of reporting anonymized homeserver usage " + "statistics, by setting the report_stats key in your config file " + " ( " + config_path + " ) " + + "to either True or False.\n\n" + + Config.stats_reporting_begging_spiel + "\n") + sys.exit(1) if generate_keys: obj.invoke_all("generate_files", config) diff --git a/synapse/config/appservice.py b/synapse/config/appservice.py index 38f41933b..b8d301995 100644 --- a/synapse/config/appservice.py +++ b/synapse/config/appservice.py @@ -20,7 +20,7 @@ class AppServiceConfig(Config): def read_config(self, config): self.app_service_config_files = config.get("app_service_config_files", []) - def default_config(cls, config_dir_path, server_name): + def default_config(cls, **kwargs): return """\ # A list of application service config file to use app_service_config_files: [] diff --git a/synapse/config/captcha.py b/synapse/config/captcha.py index 15a132b4e..dd92fcd0d 100644 --- a/synapse/config/captcha.py +++ b/synapse/config/captcha.py @@ -24,7 +24,7 @@ class CaptchaConfig(Config): self.captcha_bypass_secret = config.get("captcha_bypass_secret") self.recaptcha_siteverify_api = config["recaptcha_siteverify_api"] - def default_config(self, config_dir_path, server_name): + def default_config(self, **kwargs): return """\ ## Captcha ## diff --git a/synapse/config/cas.py b/synapse/config/cas.py new file mode 100644 index 000000000..326e40584 --- /dev/null +++ b/synapse/config/cas.py @@ -0,0 +1,47 @@ +# -*- coding: utf-8 -*- +# Copyright 2015 OpenMarket Ltd +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +from ._base import Config + + +class CasConfig(Config): + """Cas Configuration + + cas_server_url: URL of CAS server + """ + + def read_config(self, config): + cas_config = config.get("cas_config", None) + if cas_config: + self.cas_enabled = cas_config.get("enabled", True) + self.cas_server_url = cas_config["server_url"] + self.cas_service_url = cas_config["service_url"] + self.cas_required_attributes = cas_config.get("required_attributes", {}) + else: + self.cas_enabled = False + self.cas_server_url = None + self.cas_service_url = None + self.cas_required_attributes = {} + + def default_config(self, config_dir_path, server_name, **kwargs): + return """ + # Enable CAS for registration and login. + #cas_config: + # enabled: true + # server_url: "https://cas-server.com" + # service_url: "https://homesever.domain.com:8448" + # #required_attributes: + # # name: value + """ diff --git a/synapse/config/database.py b/synapse/config/database.py index f0611e888..baeda8f30 100644 --- a/synapse/config/database.py +++ b/synapse/config/database.py @@ -45,7 +45,7 @@ class DatabaseConfig(Config): self.set_databasepath(config.get("database_path")) - def default_config(self, config, config_dir_path): + def default_config(self, **kwargs): database_path = self.abspath("homeserver.db") return """\ # Database configuration diff --git a/synapse/config/homeserver.py b/synapse/config/homeserver.py index d77f04540..4743e6abc 100644 --- a/synapse/config/homeserver.py +++ b/synapse/config/homeserver.py @@ -26,12 +26,15 @@ from .metrics import MetricsConfig from .appservice import AppServiceConfig from .key import KeyConfig from .saml2 import SAML2Config +from .cas import CasConfig +from .password import PasswordConfig class HomeServerConfig(TlsConfig, ServerConfig, DatabaseConfig, LoggingConfig, RatelimitConfig, ContentRepositoryConfig, CaptchaConfig, VoipConfig, RegistrationConfig, MetricsConfig, - AppServiceConfig, KeyConfig, SAML2Config, ): + AppServiceConfig, KeyConfig, SAML2Config, CasConfig, + PasswordConfig,): pass diff --git a/synapse/config/key.py b/synapse/config/key.py index 0494c0cb7..2c187065e 100644 --- a/synapse/config/key.py +++ b/synapse/config/key.py @@ -13,14 +13,17 @@ # See the License for the specific language governing permissions and # limitations under the License. -import os from ._base import Config, ConfigError -import syutil.crypto.signing_key -from syutil.crypto.signing_key import ( - is_signing_algorithm_supported, decode_verify_key_bytes -) -from syutil.base64util import decode_base64 + from synapse.util.stringutils import random_string +from signedjson.key import ( + generate_signing_key, is_signing_algorithm_supported, + decode_signing_key_base64, decode_verify_key_bytes, + read_signing_keys, write_signing_keys, NACL_ED25519 +) +from unpaddedbase64 import decode_base64 + +import os class KeyConfig(Config): @@ -37,7 +40,7 @@ class KeyConfig(Config): config["perspectives"] ) - def default_config(self, config_dir_path, server_name): + def default_config(self, config_dir_path, server_name, **kwargs): base_key_name = os.path.join(config_dir_path, server_name) return """\ ## Signing Keys ## @@ -83,9 +86,7 @@ class KeyConfig(Config): def read_signing_key(self, signing_key_path): signing_keys = self.read_file(signing_key_path, "signing_key") try: - return syutil.crypto.signing_key.read_signing_keys( - signing_keys.splitlines(True) - ) + return read_signing_keys(signing_keys.splitlines(True)) except Exception: raise ConfigError( "Error reading signing_key." @@ -112,22 +113,18 @@ class KeyConfig(Config): if not os.path.exists(signing_key_path): with open(signing_key_path, "w") as signing_key_file: key_id = "a_" + random_string(4) - syutil.crypto.signing_key.write_signing_keys( - signing_key_file, - (syutil.crypto.signing_key.generate_signing_key(key_id),), + write_signing_keys( + signing_key_file, (generate_signing_key(key_id),), ) else: signing_keys = self.read_file(signing_key_path, "signing_key") if len(signing_keys.split("\n")[0].split()) == 1: # handle keys in the old format. key_id = "a_" + random_string(4) - key = syutil.crypto.signing_key.decode_signing_key_base64( - syutil.crypto.signing_key.NACL_ED25519, - key_id, - signing_keys.split("\n")[0] + key = decode_signing_key_base64( + NACL_ED25519, key_id, signing_keys.split("\n")[0] ) with open(signing_key_path, "w") as signing_key_file: - syutil.crypto.signing_key.write_signing_keys( - signing_key_file, - (key,), + write_signing_keys( + signing_key_file, (key,), ) diff --git a/synapse/config/logger.py b/synapse/config/logger.py index fa542623b..a13dc170c 100644 --- a/synapse/config/logger.py +++ b/synapse/config/logger.py @@ -21,6 +21,8 @@ import logging.config import yaml from string import Template import os +import signal +from synapse.util.debug import debug_deferreds DEFAULT_LOG_CONFIG = Template(""" @@ -68,8 +70,10 @@ class LoggingConfig(Config): self.verbosity = config.get("verbose", 0) self.log_config = self.abspath(config.get("log_config")) self.log_file = self.abspath(config.get("log_file")) + if config.get("full_twisted_stacktraces"): + debug_deferreds() - def default_config(self, config_dir_path, server_name): + def default_config(self, config_dir_path, server_name, **kwargs): log_file = self.abspath("homeserver.log") log_config = self.abspath( os.path.join(config_dir_path, server_name + ".log.config") @@ -83,6 +87,11 @@ class LoggingConfig(Config): # A yaml python logging config file log_config: "%(log_config)s" + + # Stop twisted from discarding the stack traces of exceptions in + # deferreds by waiting a reactor tick before running a deferred's + # callbacks. + # full_twisted_stacktraces: true """ % locals() def read_arguments(self, args): @@ -142,6 +151,19 @@ class LoggingConfig(Config): handler = logging.handlers.RotatingFileHandler( self.log_file, maxBytes=(1000 * 1000 * 100), backupCount=3 ) + + def sighup(signum, stack): + logger.info("Closing log file due to SIGHUP") + handler.doRollover() + logger.info("Opened new log file due to SIGHUP") + + # TODO(paul): obviously this is a terrible mechanism for + # stealing SIGHUP, because it means no other part of synapse + # can use it instead. If we want to catch SIGHUP anywhere + # else as well, I'd suggest we find a nicer way to broadcast + # it around. + if getattr(signal, "SIGHUP"): + signal.signal(signal.SIGHUP, sighup) else: handler = logging.StreamHandler() handler.setFormatter(formatter) diff --git a/synapse/config/metrics.py b/synapse/config/metrics.py index ae5a69152..825fec9a3 100644 --- a/synapse/config/metrics.py +++ b/synapse/config/metrics.py @@ -19,13 +19,15 @@ from ._base import Config class MetricsConfig(Config): def read_config(self, config): self.enable_metrics = config["enable_metrics"] + self.report_stats = config.get("report_stats", None) self.metrics_port = config.get("metrics_port") self.metrics_bind_host = config.get("metrics_bind_host", "127.0.0.1") - def default_config(self, config_dir_path, server_name): - return """\ + def default_config(self, report_stats=None, **kwargs): + suffix = "" if report_stats is None else "report_stats: %(report_stats)s\n" + return ("""\ ## Metrics ### # Enable collection and rendering of performance metrics enable_metrics: False - """ + """ + suffix) % locals() diff --git a/synapse/config/password.py b/synapse/config/password.py new file mode 100644 index 000000000..1a3e27847 --- /dev/null +++ b/synapse/config/password.py @@ -0,0 +1,32 @@ +# -*- coding: utf-8 -*- +# Copyright 2015 OpenMarket Ltd +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +from ._base import Config + + +class PasswordConfig(Config): + """Password login configuration + """ + + def read_config(self, config): + password_config = config.get("password_config", {}) + self.password_enabled = password_config.get("enabled", True) + + def default_config(self, config_dir_path, server_name, **kwargs): + return """ + # Enable password for login. + password_config: + enabled: true + """ diff --git a/synapse/config/ratelimiting.py b/synapse/config/ratelimiting.py index 76d9970e5..611b598ec 100644 --- a/synapse/config/ratelimiting.py +++ b/synapse/config/ratelimiting.py @@ -27,7 +27,7 @@ class RatelimitConfig(Config): self.federation_rc_reject_limit = config["federation_rc_reject_limit"] self.federation_rc_concurrent = config["federation_rc_concurrent"] - def default_config(self, config_dir_path, server_name): + def default_config(self, **kwargs): return """\ ## Ratelimiting ## diff --git a/synapse/config/registration.py b/synapse/config/registration.py index 67e780864..dca391f7a 100644 --- a/synapse/config/registration.py +++ b/synapse/config/registration.py @@ -32,9 +32,13 @@ class RegistrationConfig(Config): ) self.registration_shared_secret = config.get("registration_shared_secret") + self.macaroon_secret_key = config.get("macaroon_secret_key") + self.bcrypt_rounds = config.get("bcrypt_rounds", 12) + self.allow_guest_access = config.get("allow_guest_access", False) - def default_config(self, config_dir, server_name): + def default_config(self, **kwargs): registration_shared_secret = random_string_with_symbols(50) + macaroon_secret_key = random_string_with_symbols(50) return """\ ## Registration ## @@ -44,6 +48,18 @@ class RegistrationConfig(Config): # If set, allows registration by anyone who also has the shared # secret, even if registration is otherwise disabled. registration_shared_secret: "%(registration_shared_secret)s" + + macaroon_secret_key: "%(macaroon_secret_key)s" + + # Set the number of bcrypt rounds used to generate password hash. + # Larger numbers increase the work factor needed to generate the hash. + # The default number of rounds is 12. + bcrypt_rounds: 12 + + # Allows users to register as guests without a password/email/etc, and + # participate in rooms hosted on this server which have been made + # accessible to anonymous users. + allow_guest_access: False """ % locals() def add_arguments(self, parser): diff --git a/synapse/config/repository.py b/synapse/config/repository.py index 64644b9a7..2fcf87244 100644 --- a/synapse/config/repository.py +++ b/synapse/config/repository.py @@ -60,7 +60,7 @@ class ContentRepositoryConfig(Config): config["thumbnail_sizes"] ) - def default_config(self, config_dir_path, server_name): + def default_config(self, **kwargs): media_store = self.default_path("media_store") uploads_path = self.default_path("uploads") return """ diff --git a/synapse/config/saml2.py b/synapse/config/saml2.py index 153203687..8d7f44302 100644 --- a/synapse/config/saml2.py +++ b/synapse/config/saml2.py @@ -33,7 +33,7 @@ class SAML2Config(Config): def read_config(self, config): saml2_config = config.get("saml2_config", None) if saml2_config: - self.saml2_enabled = True + self.saml2_enabled = saml2_config.get("enabled", True) self.saml2_config_path = saml2_config["config_path"] self.saml2_idp_redirect_url = saml2_config["idp_redirect_url"] else: @@ -41,7 +41,7 @@ class SAML2Config(Config): self.saml2_config_path = None self.saml2_idp_redirect_url = None - def default_config(self, config_dir_path, server_name): + def default_config(self, config_dir_path, server_name, **kwargs): return """ # Enable SAML2 for registration and login. Uses pysaml2 # config_path: Path to the sp_conf.py configuration file @@ -49,6 +49,7 @@ class SAML2Config(Config): # the user back to /login/saml2 with proper info. # See pysaml2 docs for format of config. #saml2_config: + # enabled: true # config_path: "%s/sp_conf.py" # idp_redirect_url: "http://%s/idp" """ % (config_dir_path, server_name) diff --git a/synapse/config/server.py b/synapse/config/server.py index a03e55c22..5c2d6bfea 100644 --- a/synapse/config/server.py +++ b/synapse/config/server.py @@ -26,6 +26,7 @@ class ServerConfig(Config): self.soft_file_limit = config["soft_file_limit"] self.daemonize = config.get("daemonize") self.print_pidfile = config.get("print_pidfile") + self.user_agent_suffix = config.get("user_agent_suffix") self.use_frozen_dicts = config.get("use_frozen_dicts", True) self.listeners = config.get("listeners", []) @@ -117,7 +118,7 @@ class ServerConfig(Config): self.content_addr = content_addr - def default_config(self, config_dir_path, server_name): + def default_config(self, server_name, **kwargs): if ":" in server_name: bind_port = int(server_name.split(":")[1]) unsecure_port = bind_port - 400 diff --git a/synapse/config/tls.py b/synapse/config/tls.py index 4751d39bc..0ac269829 100644 --- a/synapse/config/tls.py +++ b/synapse/config/tls.py @@ -42,7 +42,15 @@ class TlsConfig(Config): config.get("tls_dh_params_path"), "tls_dh_params" ) - def default_config(self, config_dir_path, server_name): + # This config option applies to non-federation HTTP clients + # (e.g. for talking to recaptcha, identity servers, and such) + # It should never be used in production, and is intended for + # use only when running tests. + self.use_insecure_ssl_client_just_for_testing_do_not_use = config.get( + "use_insecure_ssl_client_just_for_testing_do_not_use" + ) + + def default_config(self, config_dir_path, server_name, **kwargs): base_key_name = os.path.join(config_dir_path, server_name) tls_certificate_path = base_key_name + ".tls.crt" diff --git a/synapse/config/voip.py b/synapse/config/voip.py index a1707223d..a093354cc 100644 --- a/synapse/config/voip.py +++ b/synapse/config/voip.py @@ -22,7 +22,7 @@ class VoipConfig(Config): self.turn_shared_secret = config["turn_shared_secret"] self.turn_user_lifetime = self.parse_duration(config["turn_user_lifetime"]) - def default_config(self, config_dir_path, server_name): + def default_config(self, **kwargs): return """\ ## Turn ## diff --git a/synapse/crypto/event_signing.py b/synapse/crypto/event_signing.py index 6633b1956..64e40864a 100644 --- a/synapse/crypto/event_signing.py +++ b/synapse/crypto/event_signing.py @@ -15,11 +15,12 @@ # limitations under the License. -from synapse.events.utils import prune_event -from syutil.jsonutil import encode_canonical_json -from syutil.base64util import encode_base64, decode_base64 -from syutil.crypto.jsonsign import sign_json from synapse.api.errors import SynapseError, Codes +from synapse.events.utils import prune_event + +from canonicaljson import encode_canonical_json +from unpaddedbase64 import encode_base64, decode_base64 +from signedjson.sign import sign_json import hashlib import logging diff --git a/synapse/crypto/keyring.py b/synapse/crypto/keyring.py index 644c7b14a..8b6a59866 100644 --- a/synapse/crypto/keyring.py +++ b/synapse/crypto/keyring.py @@ -14,21 +14,21 @@ # limitations under the License. from synapse.crypto.keyclient import fetch_server_key -from twisted.internet import defer -from syutil.crypto.jsonsign import ( - verify_signed_json, signature_ids, sign_json, encode_canonical_json -) -from syutil.crypto.signing_key import ( - is_signing_algorithm_supported, decode_verify_key_bytes -) -from syutil.base64util import decode_base64, encode_base64 from synapse.api.errors import SynapseError, Codes - from synapse.util.retryutils import get_retry_limiter from synapse.util import unwrapFirstError - from synapse.util.async import ObservableDeferred +from twisted.internet import defer + +from signedjson.sign import ( + verify_signed_json, signature_ids, sign_json, encode_canonical_json +) +from signedjson.key import ( + is_signing_algorithm_supported, decode_verify_key_bytes +) +from unpaddedbase64 import decode_base64, encode_base64 + from OpenSSL import crypto from collections import namedtuple @@ -228,10 +228,9 @@ class Keyring(object): def do_iterations(): merged_results = {} - missing_keys = { - group.server_name: set(group.key_ids) - for group in group_id_to_group.values() - } + missing_keys = {} + for group in group_id_to_group.values(): + missing_keys.setdefault(group.server_name, set()).union(group.key_ids) for fn in key_fetch_fns: results = yield fn(missing_keys.items()) @@ -470,7 +469,7 @@ class Keyring(object): continue (response, tls_certificate) = yield fetch_server_key( - server_name, self.hs.tls_context_factory, + server_name, self.hs.tls_server_context_factory, path=(b"/_matrix/key/v2/server/%s" % ( urllib.quote(requested_key_id), )).encode("ascii"), @@ -604,7 +603,7 @@ class Keyring(object): # Try to fetch the key from the remote server. (response, tls_certificate) = yield fetch_server_key( - server_name, self.hs.tls_context_factory + server_name, self.hs.tls_server_context_factory ) # Check the response. diff --git a/synapse/events/utils.py b/synapse/events/utils.py index 7bd78343f..9989b7659 100644 --- a/synapse/events/utils.py +++ b/synapse/events/utils.py @@ -66,7 +66,6 @@ def prune_event(event): "users_default", "events", "events_default", - "events_default", "state_default", "ban", "kick", @@ -103,7 +102,10 @@ def format_event_raw(d): def format_event_for_client_v1(d): d["user_id"] = d.pop("sender", None) - move_keys = ("age", "redacted_because", "replaces_state", "prev_content") + move_keys = ( + "age", "redacted_because", "replaces_state", "prev_content", + "invite_room_state", + ) for key in move_keys: if key in d["unsigned"]: d[key] = d["unsigned"][key] @@ -152,7 +154,8 @@ def serialize_event(e, time_now_ms, as_client_event=True, if "redacted_because" in e.unsigned: d["unsigned"]["redacted_because"] = serialize_event( - e.unsigned["redacted_because"], time_now_ms + e.unsigned["redacted_because"], time_now_ms, + event_format=event_format ) if token_id is not None: diff --git a/synapse/federation/federation_client.py b/synapse/federation/federation_client.py index f5e346cdb..c6a8c1249 100644 --- a/synapse/federation/federation_client.py +++ b/synapse/federation/federation_client.py @@ -17,6 +17,7 @@ from twisted.internet import defer from .federation_base import FederationBase +from synapse.api.constants import Membership from .units import Edu from synapse.api.errors import ( @@ -356,19 +357,55 @@ class FederationClient(FederationBase): defer.returnValue(signed_auth) @defer.inlineCallbacks - def make_join(self, destinations, room_id, user_id): + def make_membership_event(self, destinations, room_id, user_id, membership, + content={},): + """ + Creates an m.room.member event, with context, without participating in the room. + + Does so by asking one of the already participating servers to create an + event with proper context. + + Note that this does not append any events to any graphs. + + Args: + destinations (str): Candidate homeservers which are probably + participating in the room. + room_id (str): The room in which the event will happen. + user_id (str): The user whose membership is being evented. + membership (str): The "membership" property of the event. Must be + one of "join" or "leave". + content (object): Any additional data to put into the content field + of the event. + Return: + A tuple of (origin (str), event (object)) where origin is the remote + homeserver which generated the event. + """ + valid_memberships = {Membership.JOIN, Membership.LEAVE} + if membership not in valid_memberships: + raise RuntimeError( + "make_membership_event called with membership='%s', must be one of %s" % + (membership, ",".join(valid_memberships)) + ) for destination in destinations: if destination == self.server_name: continue try: - ret = yield self.transport_layer.make_join( - destination, room_id, user_id + ret = yield self.transport_layer.make_membership_event( + destination, room_id, user_id, membership ) pdu_dict = ret["event"] - logger.debug("Got response to make_join: %s", pdu_dict) + logger.debug("Got response to make_%s: %s", membership, pdu_dict) + + pdu_dict["content"].update(content) + + # The protoevent received over the JSON wire may not have all + # the required fields. Lets just gloss over that because + # there's some we never care about + if "prev_state" not in pdu_dict: + pdu_dict["prev_state"] = [] defer.returnValue( (destination, self.event_from_pdu_json(pdu_dict)) @@ -378,8 +415,8 @@ class FederationClient(FederationBase): raise except Exception as e: logger.warn( - "Failed to make_join via %s: %s", - destination, e.message + "Failed to make_%s via %s: %s", + membership, destination, e.message ) raise RuntimeError("Failed to send to any server.") @@ -485,6 +522,33 @@ class FederationClient(FederationBase): defer.returnValue(pdu) + @defer.inlineCallbacks + def send_leave(self, destinations, pdu): + for destination in destinations: + if destination == self.server_name: + continue + + try: + time_now = self._clock.time_msec() + _, content = yield self.transport_layer.send_leave( + destination=destination, + room_id=pdu.room_id, + event_id=pdu.event_id, + content=pdu.get_pdu_json(time_now), + ) + + logger.debug("Got content: %s", content) + defer.returnValue(None) + except CodeMessageException: + raise + except Exception as e: + logger.exception( + "Failed to send_leave via %s: %s", + destination, e.message + ) + + raise RuntimeError("Failed to send to any server.") + @defer.inlineCallbacks def query_auth(self, destination, room_id, event_id, local_auth): """ @@ -643,3 +707,26 @@ class FederationClient(FederationBase): event.internal_metadata.outlier = outlier return event + + @defer.inlineCallbacks + def forward_third_party_invite(self, destinations, room_id, event_dict): + for destination in destinations: + if destination == self.server_name: + continue + + try: + yield self.transport_layer.exchange_third_party_invite( + destination=destination, + room_id=room_id, + event_dict=event_dict, + ) + defer.returnValue(None) + except CodeMessageException: + raise + except Exception as e: + logger.exception( + "Failed to send_third_party_invite via %s: %s", + destination, e.message + ) + + raise RuntimeError("Failed to send to any server.") diff --git a/synapse/federation/federation_server.py b/synapse/federation/federation_server.py index 725c6f3fa..7a59436a9 100644 --- a/synapse/federation/federation_server.py +++ b/synapse/federation/federation_server.py @@ -254,6 +254,20 @@ class FederationServer(FederationBase): ], })) + @defer.inlineCallbacks + def on_make_leave_request(self, room_id, user_id): + pdu = yield self.handler.on_make_leave_request(room_id, user_id) + time_now = self._clock.time_msec() + defer.returnValue({"event": pdu.get_pdu_json(time_now)}) + + @defer.inlineCallbacks + def on_send_leave_request(self, origin, content): + logger.debug("on_send_leave_request: content: %s", content) + pdu = self.event_from_pdu_json(content) + logger.debug("on_send_leave_request: pdu sigs: %s", pdu.signatures) + yield self.handler.on_send_leave_request(origin, pdu) + defer.returnValue((200, {})) + @defer.inlineCallbacks def on_event_auth(self, origin, room_id, event_id): time_now = self._clock.time_msec() @@ -529,3 +543,15 @@ class FederationServer(FederationBase): event.internal_metadata.outlier = outlier return event + + @defer.inlineCallbacks + def exchange_third_party_invite(self, invite): + ret = yield self.handler.exchange_third_party_invite(invite) + defer.returnValue(ret) + + @defer.inlineCallbacks + def on_exchange_third_party_invite_request(self, origin, room_id, event_dict): + ret = yield self.handler.on_exchange_third_party_invite_request( + origin, room_id, event_dict + ) + defer.returnValue(ret) diff --git a/synapse/federation/transaction_queue.py b/synapse/federation/transaction_queue.py index 32fa5e8c1..aac6f1c16 100644 --- a/synapse/federation/transaction_queue.py +++ b/synapse/federation/transaction_queue.py @@ -202,6 +202,7 @@ class TransactionQueue(object): @defer.inlineCallbacks @log_function def _attempt_new_transaction(self, destination): + # list of (pending_pdu, deferred, order) if destination in self.pending_transactions: # XXX: pending_transactions can get stuck on by a never-ending # request at which point pending_pdus_by_dest just keeps growing. @@ -213,9 +214,6 @@ class TransactionQueue(object): ) return - logger.debug("TX [%s] _attempt_new_transaction", destination) - - # list of (pending_pdu, deferred, order) pending_pdus = self.pending_pdus_by_dest.pop(destination, []) pending_edus = self.pending_edus_by_dest.pop(destination, []) pending_failures = self.pending_failures_by_dest.pop(destination, []) @@ -228,20 +226,22 @@ class TransactionQueue(object): logger.debug("TX [%s] Nothing to send", destination) return - # Sort based on the order field - pending_pdus.sort(key=lambda t: t[2]) - - pdus = [x[0] for x in pending_pdus] - edus = [x[0] for x in pending_edus] - failures = [x[0].get_dict() for x in pending_failures] - deferreds = [ - x[1] - for x in pending_pdus + pending_edus + pending_failures - ] - try: self.pending_transactions[destination] = 1 + logger.debug("TX [%s] _attempt_new_transaction", destination) + + # Sort based on the order field + pending_pdus.sort(key=lambda t: t[2]) + + pdus = [x[0] for x in pending_pdus] + edus = [x[0] for x in pending_edus] + failures = [x[0].get_dict() for x in pending_failures] + deferreds = [ + x[1] + for x in pending_pdus + pending_edus + pending_failures + ] + txn_id = str(self._next_txn_id) limiter = yield get_retry_limiter( diff --git a/synapse/federation/transport/client.py b/synapse/federation/transport/client.py index ced703364..3d59e1c65 100644 --- a/synapse/federation/transport/client.py +++ b/synapse/federation/transport/client.py @@ -14,6 +14,7 @@ # limitations under the License. from twisted.internet import defer +from synapse.api.constants import Membership from synapse.api.urls import FEDERATION_PREFIX as PREFIX from synapse.util.logutils import log_function @@ -160,13 +161,19 @@ class TransportLayerClient(object): @defer.inlineCallbacks @log_function - def make_join(self, destination, room_id, user_id, retry_on_dns_fail=True): - path = PREFIX + "/make_join/%s/%s" % (room_id, user_id) + def make_membership_event(self, destination, room_id, user_id, membership): + valid_memberships = {Membership.JOIN, Membership.LEAVE} + if membership not in valid_memberships: + raise RuntimeError( + "make_membership_event called with membership='%s', must be one of %s" % + (membership, ",".join(valid_memberships)) + ) + path = PREFIX + "/make_%s/%s/%s" % (membership, room_id, user_id) content = yield self.client.get_json( destination=destination, path=path, - retry_on_dns_fail=retry_on_dns_fail, + retry_on_dns_fail=True, ) defer.returnValue(content) @@ -184,6 +191,19 @@ class TransportLayerClient(object): defer.returnValue(response) + @defer.inlineCallbacks + @log_function + def send_leave(self, destination, room_id, event_id, content): + path = PREFIX + "/send_leave/%s/%s" % (room_id, event_id) + + response = yield self.client.put_json( + destination=destination, + path=path, + data=content, + ) + + defer.returnValue(response) + @defer.inlineCallbacks @log_function def send_invite(self, destination, room_id, event_id, content): @@ -197,6 +217,19 @@ class TransportLayerClient(object): defer.returnValue(response) + @defer.inlineCallbacks + @log_function + def exchange_third_party_invite(self, destination, room_id, event_dict): + path = PREFIX + "/exchange_third_party_invite/%s" % (room_id,) + + response = yield self.client.put_json( + destination=destination, + path=path, + data=event_dict, + ) + + defer.returnValue(response) + @defer.inlineCallbacks @log_function def get_event_auth(self, destination, room_id, event_id): diff --git a/synapse/federation/transport/server.py b/synapse/federation/transport/server.py index 36f250e1a..127b4da4f 100644 --- a/synapse/federation/transport/server.py +++ b/synapse/federation/transport/server.py @@ -296,6 +296,24 @@ class FederationMakeJoinServlet(BaseFederationServlet): defer.returnValue((200, content)) +class FederationMakeLeaveServlet(BaseFederationServlet): + PATH = "/make_leave/([^/]*)/([^/]*)" + + @defer.inlineCallbacks + def on_GET(self, origin, content, query, context, user_id): + content = yield self.handler.on_make_leave_request(context, user_id) + defer.returnValue((200, content)) + + +class FederationSendLeaveServlet(BaseFederationServlet): + PATH = "/send_leave/([^/]*)/([^/]*)" + + @defer.inlineCallbacks + def on_PUT(self, origin, content, query, room_id, txid): + content = yield self.handler.on_send_leave_request(origin, content) + defer.returnValue((200, content)) + + class FederationEventAuthServlet(BaseFederationServlet): PATH = "/event_auth/([^/]*)/([^/]*)" @@ -325,6 +343,17 @@ class FederationInviteServlet(BaseFederationServlet): defer.returnValue((200, content)) +class FederationThirdPartyInviteExchangeServlet(BaseFederationServlet): + PATH = "/exchange_third_party_invite/([^/]*)" + + @defer.inlineCallbacks + def on_PUT(self, origin, content, query, room_id): + content = yield self.handler.on_exchange_third_party_invite_request( + origin, room_id, content + ) + defer.returnValue((200, content)) + + class FederationClientKeysQueryServlet(BaseFederationServlet): PATH = "/user/keys/query" @@ -378,6 +407,30 @@ class FederationGetMissingEventsServlet(BaseFederationServlet): defer.returnValue((200, content)) +class On3pidBindServlet(BaseFederationServlet): + PATH = "/3pid/onbind" + + @defer.inlineCallbacks + def on_POST(self, request): + content_bytes = request.content.read() + content = json.loads(content_bytes) + if "invites" in content: + last_exception = None + for invite in content["invites"]: + try: + yield self.handler.exchange_third_party_invite(invite) + except Exception as e: + last_exception = e + if last_exception: + raise last_exception + defer.returnValue((200, {})) + + # Avoid doing remote HS authorization checks which are done by default by + # BaseFederationServlet. + def _wrap(self, code): + return code + + SERVLET_CLASSES = ( FederationPullServlet, FederationEventServlet, @@ -385,12 +438,16 @@ SERVLET_CLASSES = ( FederationBackfillServlet, FederationQueryServlet, FederationMakeJoinServlet, + FederationMakeLeaveServlet, FederationEventServlet, FederationSendJoinServlet, + FederationSendLeaveServlet, FederationInviteServlet, FederationQueryAuthServlet, FederationGetMissingEventsServlet, FederationEventAuthServlet, FederationClientKeysQueryServlet, FederationClientKeysClaimServlet, + FederationThirdPartyInviteExchangeServlet, + On3pidBindServlet, ) diff --git a/synapse/handlers/__init__.py b/synapse/handlers/__init__.py index 8725c3c42..6a2339f2e 100644 --- a/synapse/handlers/__init__.py +++ b/synapse/handlers/__init__.py @@ -17,7 +17,7 @@ from synapse.appservice.scheduler import AppServiceScheduler from synapse.appservice.api import ApplicationServiceApi from .register import RegistrationHandler from .room import ( - RoomCreationHandler, RoomMemberHandler, RoomListHandler + RoomCreationHandler, RoomMemberHandler, RoomListHandler, RoomContextHandler, ) from .message import MessageHandler from .events import EventStreamHandler, EventHandler @@ -32,6 +32,7 @@ from .sync import SyncHandler from .auth import AuthHandler from .identity import IdentityHandler from .receipts import ReceiptsHandler +from .search import SearchHandler class Handlers(object): @@ -68,3 +69,5 @@ class Handlers(object): self.sync_handler = SyncHandler(hs) self.auth_handler = AuthHandler(hs) self.identity_handler = IdentityHandler(hs) + self.search_handler = SearchHandler(hs) + self.room_context_handler = RoomContextHandler(hs) diff --git a/synapse/handlers/_base.py b/synapse/handlers/_base.py index cb992143f..6519f183d 100644 --- a/synapse/handlers/_base.py +++ b/synapse/handlers/_base.py @@ -15,7 +15,7 @@ from twisted.internet import defer -from synapse.api.errors import LimitExceededError, SynapseError +from synapse.api.errors import LimitExceededError, SynapseError, AuthError from synapse.crypto.event_signing import add_hashes_and_signatures from synapse.api.constants import Membership, EventTypes from synapse.types import UserID, RoomAlias @@ -29,6 +29,12 @@ logger = logging.getLogger(__name__) class BaseHandler(object): + """ + Common base class for the event handlers. + + :type store: synapse.storage.events.StateStore + :type state_handler: synapse.state.StateHandler + """ def __init__(self, hs): self.store = hs.get_datastore() @@ -45,6 +51,74 @@ class BaseHandler(object): self.event_builder_factory = hs.get_event_builder_factory() + @defer.inlineCallbacks + def _filter_events_for_client(self, user_id, events, is_guest=False, + require_all_visible_for_guests=True): + # Assumes that user has at some point joined the room if not is_guest. + + def allowed(event, membership, visibility): + if visibility == "world_readable": + return True + + if is_guest: + return False + + if membership == Membership.JOIN: + return True + + if event.type == EventTypes.RoomHistoryVisibility: + return not is_guest + + if visibility == "shared": + return True + elif visibility == "joined": + return membership == Membership.JOIN + elif visibility == "invited": + return membership == Membership.INVITE + + return True + + event_id_to_state = yield self.store.get_state_for_events( + frozenset(e.event_id for e in events), + types=( + (EventTypes.RoomHistoryVisibility, ""), + (EventTypes.Member, user_id), + ) + ) + + events_to_return = [] + for event in events: + state = event_id_to_state[event.event_id] + + membership_event = state.get((EventTypes.Member, user_id), None) + if membership_event: + membership = membership_event.membership + else: + membership = None + + visibility_event = state.get((EventTypes.RoomHistoryVisibility, ""), None) + if visibility_event: + visibility = visibility_event.content.get("history_visibility", "shared") + else: + visibility = "shared" + + should_include = allowed(event, membership, visibility) + if should_include: + events_to_return.append(event) + + if (require_all_visible_for_guests + and is_guest + and len(events_to_return) < len(events)): + # This indicates that some events in the requested range were not + # visible to guest users. To be safe, we reject the entire request, + # so that we don't have to worry about interpreting visibility + # boundaries. + raise AuthError(403, "User %s does not have permission" % ( + user_id + )) + + defer.returnValue(events_to_return) + def ratelimit(self, user_id): time_now = self.clock.time() allowed, time_allowed = self.ratelimiter.send_message( @@ -107,6 +181,8 @@ class BaseHandler(object): if not suppress_auth: self.auth.check(event, auth_events=context.current_state) + yield self.maybe_kick_guest_users(event, context.current_state.values()) + if event.type == EventTypes.CanonicalAlias: # Check the alias is acually valid (at this time at least) room_alias_str = event.content.get("alias", None) @@ -123,29 +199,63 @@ class BaseHandler(object): ) ) - (event_stream_id, max_stream_id) = yield self.store.persist_event( - event, context=context - ) - federation_handler = self.hs.get_handlers().federation_handler if event.type == EventTypes.Member: if event.content["membership"] == Membership.INVITE: + event.unsigned["invite_room_state"] = [ + { + "type": e.type, + "state_key": e.state_key, + "content": e.content, + "sender": e.sender, + } + for k, e in context.current_state.items() + if e.type in ( + EventTypes.JoinRules, + EventTypes.CanonicalAlias, + EventTypes.RoomAvatar, + EventTypes.Name, + ) + ] + invitee = UserID.from_string(event.state_key) if not self.hs.is_mine(invitee): # TODO: Can we add signature from remote server in a nicer # way? If we have been invited by a remote server, we need # to get them to sign the event. + returned_invite = yield federation_handler.send_invite( invitee.domain, event, ) + event.unsigned.pop("room_state", None) + # TODO: Make sure the signatures actually are correct. event.signatures.update( returned_invite.signatures ) + if event.type == EventTypes.Redaction: + if self.auth.check_redaction(event, auth_events=context.current_state): + original_event = yield self.store.get_event( + event.redacts, + check_redacted=False, + get_prev_content=False, + allow_rejected=False, + allow_none=False + ) + if event.user_id != original_event.user_id: + raise AuthError( + 403, + "You don't have permission to redact events" + ) + + (event_stream_id, max_stream_id) = yield self.store.persist_event( + event, context=context + ) + destinations = set(extra_destinations) for k, s in context.current_state.items(): try: @@ -174,6 +284,64 @@ class BaseHandler(object): notify_d.addErrback(log_failure) + # If invite, remove room_state from unsigned before sending. + event.unsigned.pop("invite_room_state", None) + federation_handler.handle_new_event( event, destinations=destinations, ) + + @defer.inlineCallbacks + def maybe_kick_guest_users(self, event, current_state): + # Technically this function invalidates current_state by changing it. + # Hopefully this isn't that important to the caller. + if event.type == EventTypes.GuestAccess: + guest_access = event.content.get("guest_access", "forbidden") + if guest_access != "can_join": + yield self.kick_guest_users(current_state) + + @defer.inlineCallbacks + def kick_guest_users(self, current_state): + for member_event in current_state: + try: + if member_event.type != EventTypes.Member: + continue + + if not self.hs.is_mine(UserID.from_string(member_event.state_key)): + continue + + if member_event.content["membership"] not in { + Membership.JOIN, + Membership.INVITE + }: + continue + + if ( + "kind" not in member_event.content + or member_event.content["kind"] != "guest" + ): + continue + + # We make the user choose to leave, rather than have the + # event-sender kick them. This is partially because we don't + # need to worry about power levels, and partially because guest + # users are a concept which doesn't hugely work over federation, + # and having homeservers have their own users leave keeps more + # of that decision-making and control local to the guest-having + # homeserver. + message_handler = self.hs.get_handlers().message_handler + yield message_handler.create_and_send_event( + { + "type": EventTypes.Member, + "state_key": member_event.state_key, + "content": { + "membership": Membership.LEAVE, + "kind": "guest" + }, + "room_id": member_event.room_id, + "sender": member_event.state_key + }, + ratelimit=False, + ) + except Exception as e: + logger.warn("Error kicking guest user: %s" % (e,)) diff --git a/synapse/handlers/admin.py b/synapse/handlers/admin.py index 1c9e7152c..d852a1855 100644 --- a/synapse/handlers/admin.py +++ b/synapse/handlers/admin.py @@ -34,6 +34,7 @@ class AdminHandler(BaseHandler): d = {} for r in res: + # Note that device_id is always None device = d.setdefault(r["device_id"], {}) session = device.setdefault(r["access_token"], []) session.append({ diff --git a/synapse/handlers/auth.py b/synapse/handlers/auth.py index 602c5bcd8..be157e2bb 100644 --- a/synapse/handlers/auth.py +++ b/synapse/handlers/auth.py @@ -18,14 +18,14 @@ from twisted.internet import defer from ._base import BaseHandler from synapse.api.constants import LoginType from synapse.types import UserID -from synapse.api.errors import LoginError, Codes -from synapse.http.client import SimpleHttpClient +from synapse.api.errors import AuthError, LoginError, Codes from synapse.util.async import run_on_reactor from twisted.web.client import PartialDownloadError import logging import bcrypt +import pymacaroons import simplejson import synapse.util.stringutils as stringutils @@ -44,7 +44,9 @@ class AuthHandler(BaseHandler): LoginType.EMAIL_IDENTITY: self._check_email_identity, LoginType.DUMMY: self._check_dummy_auth, } + self.bcrypt_rounds = hs.config.bcrypt_rounds self.sessions = {} + self.INVALID_TOKEN_HTTP_STATUS = 401 @defer.inlineCallbacks def check_auth(self, flows, clientdict, clientip): @@ -186,7 +188,7 @@ class AuthHandler(BaseHandler): # TODO: get this from the homeserver rather than creating a new one for # each request try: - client = SimpleHttpClient(self.hs) + client = self.hs.get_simple_http_client() resp_body = yield client.post_urlencoded_get_json( self.hs.config.recaptcha_siteverify_api, args={ @@ -279,7 +281,10 @@ class AuthHandler(BaseHandler): user_id (str): User ID password (str): Password Returns: - The access token for the user's session. + A tuple of: + The user's ID. + The access token for the user's session. + The refresh token for the user's session. Raises: StoreError if there was a problem storing the token. LoginError if there was an authentication problem. @@ -287,11 +292,43 @@ class AuthHandler(BaseHandler): user_id, password_hash = yield self._find_user_id_and_pwd_hash(user_id) self._check_password(user_id, password, password_hash) - reg_handler = self.hs.get_handlers().registration_handler - access_token = reg_handler.generate_token(user_id) logger.info("Logging in user %s", user_id) - yield self.store.add_access_token_to_user(user_id, access_token) - defer.returnValue((user_id, access_token)) + access_token = yield self.issue_access_token(user_id) + refresh_token = yield self.issue_refresh_token(user_id) + defer.returnValue((user_id, access_token, refresh_token)) + + @defer.inlineCallbacks + def get_login_tuple_for_user_id(self, user_id): + """ + Gets login tuple for the user with the given user ID. + The user is assumed to have been authenticated by some other + machanism (e.g. CAS) + + Args: + user_id (str): User ID + Returns: + A tuple of: + The user's ID. + The access token for the user's session. + The refresh token for the user's session. + Raises: + StoreError if there was a problem storing the token. + LoginError if there was an authentication problem. + """ + user_id, ignored = yield self._find_user_id_and_pwd_hash(user_id) + + logger.info("Logging in user %s", user_id) + access_token = yield self.issue_access_token(user_id) + refresh_token = yield self.issue_refresh_token(user_id) + defer.returnValue((user_id, access_token, refresh_token)) + + @defer.inlineCallbacks + def does_user_exist(self, user_id): + try: + yield self._find_user_id_and_pwd_hash(user_id) + defer.returnValue(True) + except LoginError: + defer.returnValue(False) @defer.inlineCallbacks def _find_user_id_and_pwd_hash(self, user_id): @@ -321,13 +358,82 @@ class AuthHandler(BaseHandler): def _check_password(self, user_id, password, stored_hash): """Checks that user_id has passed password, raises LoginError if not.""" - if not bcrypt.checkpw(password, stored_hash): + if not self.validate_hash(password, stored_hash): logger.warn("Failed password login for user %s", user_id) raise LoginError(403, "", errcode=Codes.FORBIDDEN) + @defer.inlineCallbacks + def issue_access_token(self, user_id): + access_token = self.generate_access_token(user_id) + yield self.store.add_access_token_to_user(user_id, access_token) + defer.returnValue(access_token) + + @defer.inlineCallbacks + def issue_refresh_token(self, user_id): + refresh_token = self.generate_refresh_token(user_id) + yield self.store.add_refresh_token_to_user(user_id, refresh_token) + defer.returnValue(refresh_token) + + def generate_access_token(self, user_id, extra_caveats=None): + extra_caveats = extra_caveats or [] + macaroon = self._generate_base_macaroon(user_id) + macaroon.add_first_party_caveat("type = access") + now = self.hs.get_clock().time_msec() + expiry = now + (60 * 60 * 1000) + macaroon.add_first_party_caveat("time < %d" % (expiry,)) + for caveat in extra_caveats: + macaroon.add_first_party_caveat(caveat) + return macaroon.serialize() + + def generate_refresh_token(self, user_id): + m = self._generate_base_macaroon(user_id) + m.add_first_party_caveat("type = refresh") + # Important to add a nonce, because otherwise every refresh token for a + # user will be the same. + m.add_first_party_caveat("nonce = %s" % ( + stringutils.random_string_with_symbols(16), + )) + return m.serialize() + + def generate_short_term_login_token(self, user_id): + macaroon = self._generate_base_macaroon(user_id) + macaroon.add_first_party_caveat("type = login") + now = self.hs.get_clock().time_msec() + expiry = now + (2 * 60 * 1000) + macaroon.add_first_party_caveat("time < %d" % (expiry,)) + return macaroon.serialize() + + def validate_short_term_login_token_and_get_user_id(self, login_token): + try: + macaroon = pymacaroons.Macaroon.deserialize(login_token) + auth_api = self.hs.get_auth() + auth_api.validate_macaroon(macaroon, "login", [auth_api.verify_expiry]) + return self._get_user_from_macaroon(macaroon) + except (pymacaroons.exceptions.MacaroonException, TypeError, ValueError): + raise AuthError(401, "Invalid token", errcode=Codes.UNKNOWN_TOKEN) + + def _generate_base_macaroon(self, user_id): + macaroon = pymacaroons.Macaroon( + location=self.hs.config.server_name, + identifier="key", + key=self.hs.config.macaroon_secret_key) + macaroon.add_first_party_caveat("gen = 1") + macaroon.add_first_party_caveat("user_id = %s" % (user_id,)) + return macaroon + + def _get_user_from_macaroon(self, macaroon): + user_prefix = "user_id = " + for caveat in macaroon.caveats: + if caveat.caveat_id.startswith(user_prefix): + return caveat.caveat_id[len(user_prefix):] + raise AuthError( + self.INVALID_TOKEN_HTTP_STATUS, "No user_id found in token", + errcode=Codes.UNKNOWN_TOKEN + ) + @defer.inlineCallbacks def set_password(self, user_id, newpassword): - password_hash = bcrypt.hashpw(newpassword, bcrypt.gensalt()) + password_hash = self.hash(newpassword) yield self.store.user_set_password_hash(user_id, password_hash) yield self.store.user_delete_access_tokens(user_id) @@ -349,3 +455,26 @@ class AuthHandler(BaseHandler): def _remove_session(self, session): logger.debug("Removing session %s", session) del self.sessions[session["id"]] + + def hash(self, password): + """Computes a secure hash of password. + + Args: + password (str): Password to hash. + + Returns: + Hashed password (str). + """ + return bcrypt.hashpw(password, bcrypt.gensalt(self.bcrypt_rounds)) + + def validate_hash(self, password, stored_hash): + """Validates that self.hash(password) == stored_hash. + + Args: + password (str): Password to hash. + stored_hash (str): Expected hash value. + + Returns: + Whether self.hash(password) == stored_hash (bool). + """ + return bcrypt.checkpw(password, stored_hash) diff --git a/synapse/handlers/events.py b/synapse/handlers/events.py index 891502c04..0e4c0d4d0 100644 --- a/synapse/handlers/events.py +++ b/synapse/handlers/events.py @@ -46,11 +46,61 @@ class EventStreamHandler(BaseHandler): self.notifier = hs.get_notifier() + @defer.inlineCallbacks + def started_stream(self, user): + """Tells the presence handler that we have started an eventstream for + the user: + + Args: + user (User): The user who started a stream. + Returns: + A deferred that completes once their presence has been updated. + """ + if user not in self._streams_per_user: + self._streams_per_user[user] = 0 + if user in self._stop_timer_per_user: + try: + self.clock.cancel_call_later( + self._stop_timer_per_user.pop(user) + ) + except: + logger.exception("Failed to cancel event timer") + else: + yield self.distributor.fire("started_user_eventstream", user) + + self._streams_per_user[user] += 1 + + def stopped_stream(self, user): + """If there are no streams for a user this starts a timer that will + notify the presence handler that we haven't got an event stream for + the user unless the user starts a new stream in 30 seconds. + + Args: + user (User): The user who stopped a stream. + """ + self._streams_per_user[user] -= 1 + if not self._streams_per_user[user]: + del self._streams_per_user[user] + + # 30 seconds of grace to allow the client to reconnect again + # before we think they're gone + def _later(): + logger.debug("_later stopped_user_eventstream %s", user) + + self._stop_timer_per_user.pop(user, None) + + return self.distributor.fire("stopped_user_eventstream", user) + + logger.debug("Scheduling _later: for %s", user) + self._stop_timer_per_user[user] = ( + self.clock.call_later(30, _later) + ) + @defer.inlineCallbacks @log_function def get_stream(self, auth_user_id, pagin_config, timeout=0, as_client_event=True, affect_presence=True, - only_room_events=False): + only_room_events=False, room_id=None, is_guest=False): """Fetches the events stream for a given user. If `only_room_events` is `True` only room events will be returned. @@ -59,31 +109,7 @@ class EventStreamHandler(BaseHandler): try: if affect_presence: - if auth_user not in self._streams_per_user: - self._streams_per_user[auth_user] = 0 - if auth_user in self._stop_timer_per_user: - try: - self.clock.cancel_call_later( - self._stop_timer_per_user.pop(auth_user) - ) - except: - logger.exception("Failed to cancel event timer") - else: - yield self.distributor.fire( - "started_user_eventstream", auth_user - ) - self._streams_per_user[auth_user] += 1 - - rm_handler = self.hs.get_handlers().room_member_handler - - app_service = yield self.store.get_app_service_by_user_id( - auth_user.to_string() - ) - if app_service: - rooms = yield self.store.get_app_service_rooms(app_service) - room_ids = set(r.room_id for r in rooms) - else: - room_ids = yield rm_handler.get_joined_rooms_for_user(auth_user) + yield self.started_stream(auth_user) if timeout: # If they've set a timeout set a minimum limit. @@ -93,9 +119,15 @@ class EventStreamHandler(BaseHandler): # thundering herds on restart. timeout = random.randint(int(timeout*0.9), int(timeout*1.1)) + if is_guest: + yield self.distributor.fire( + "user_joined_room", user=auth_user, room_id=room_id + ) + events, tokens = yield self.notifier.get_events_for( - auth_user, room_ids, pagin_config, timeout, - only_room_events=only_room_events + auth_user, pagin_config, timeout, + only_room_events=only_room_events, + is_guest=is_guest, guest_room_id=room_id ) time_now = self.clock.time_msec() @@ -114,27 +146,7 @@ class EventStreamHandler(BaseHandler): finally: if affect_presence: - self._streams_per_user[auth_user] -= 1 - if not self._streams_per_user[auth_user]: - del self._streams_per_user[auth_user] - - # 10 seconds of grace to allow the client to reconnect again - # before we think they're gone - def _later(): - logger.debug( - "_later stopped_user_eventstream %s", auth_user - ) - - self._stop_timer_per_user.pop(auth_user, None) - - return self.distributor.fire( - "stopped_user_eventstream", auth_user - ) - - logger.debug("Scheduling _later: for %s", auth_user) - self._stop_timer_per_user[auth_user] = ( - self.clock.call_later(30, _later) - ) + self.stopped_stream(auth_user) class EventHandler(BaseHandler): diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py index 4ff20599d..c1bce07e3 100644 --- a/synapse/handlers/federation.py +++ b/synapse/handlers/federation.py @@ -21,6 +21,7 @@ from synapse.api.errors import ( AuthError, FederationError, StoreError, CodeMessageException, SynapseError, ) from synapse.api.constants import EventTypes, Membership, RejectedReason +from synapse.events.validator import EventValidator from synapse.util import unwrapFirstError from synapse.util.logcontext import PreserveLoggingContext from synapse.util.logutils import log_function @@ -40,7 +41,6 @@ from twisted.internet import defer import itertools import logging - logger = logging.getLogger(__name__) @@ -58,6 +58,8 @@ class FederationHandler(BaseHandler): def __init__(self, hs): super(FederationHandler, self).__init__(hs) + self.hs = hs + self.distributor.observe( "user_joined_room", self._on_user_joined @@ -68,12 +70,9 @@ class FederationHandler(BaseHandler): self.store = hs.get_datastore() self.replication_layer = hs.get_replication_layer() self.state_handler = hs.get_state_handler() - # self.auth_handler = gs.get_auth_handler() self.server_name = hs.hostname self.keyring = hs.get_keyring() - self.lock_manager = hs.get_room_lock_manager() - self.replication_layer.set_handler(self) # When joining a room we need to queue any events for that room up @@ -125,60 +124,72 @@ class FederationHandler(BaseHandler): ) if not is_in_room and not event.internal_metadata.is_outlier(): logger.debug("Got event for room we're not in.") - current_state = state - event_ids = set() - if state: - event_ids |= {e.event_id for e in state} - if auth_chain: - event_ids |= {e.event_id for e in auth_chain} + try: + event_stream_id, max_stream_id = yield self._persist_auth_tree( + auth_chain, state, event + ) + except AuthError as e: + raise FederationError( + "ERROR", + e.code, + e.msg, + affected=event.event_id, + ) - seen_ids = set( - (yield self.store.have_events(event_ids)).keys() - ) + else: + event_ids = set() + if state: + event_ids |= {e.event_id for e in state} + if auth_chain: + event_ids |= {e.event_id for e in auth_chain} - if state and auth_chain is not None: - # If we have any state or auth_chain given to us by the replication - # layer, then we should handle them (if we haven't before.) - - event_infos = [] - - for e in itertools.chain(auth_chain, state): - if e.event_id in seen_ids: - continue - e.internal_metadata.outlier = True - auth_ids = [e_id for e_id, _ in e.auth_events] - auth = { - (e.type, e.state_key): e for e in auth_chain - if e.event_id in auth_ids - } - event_infos.append({ - "event": e, - "auth_events": auth, - }) - seen_ids.add(e.event_id) - - yield self._handle_new_events( - origin, - event_infos, - outliers=True + seen_ids = set( + (yield self.store.have_events(event_ids)).keys() ) - try: - _, event_stream_id, max_stream_id = yield self._handle_new_event( - origin, - event, - state=state, - backfilled=backfilled, - current_state=current_state, - ) - except AuthError as e: - raise FederationError( - "ERROR", - e.code, - e.msg, - affected=event.event_id, - ) + if state and auth_chain is not None: + # If we have any state or auth_chain given to us by the replication + # layer, then we should handle them (if we haven't before.) + + event_infos = [] + + for e in itertools.chain(auth_chain, state): + if e.event_id in seen_ids: + continue + e.internal_metadata.outlier = True + auth_ids = [e_id for e_id, _ in e.auth_events] + auth = { + (e.type, e.state_key): e for e in auth_chain + if e.event_id in auth_ids or e.type == EventTypes.Create + } + event_infos.append({ + "event": e, + "auth_events": auth, + }) + seen_ids.add(e.event_id) + + yield self._handle_new_events( + origin, + event_infos, + outliers=True + ) + + try: + _, event_stream_id, max_stream_id = yield self._handle_new_event( + origin, + event, + state=state, + backfilled=backfilled, + current_state=current_state, + ) + except AuthError as e: + raise FederationError( + "ERROR", + e.code, + e.msg, + affected=event.event_id, + ) # if we're receiving valid events from an origin, # it's probably a good idea to mark it as not in retry-state @@ -230,7 +241,7 @@ class FederationHandler(BaseHandler): @defer.inlineCallbacks def _filter_events_for_server(self, server_name, room_id, events): event_to_state = yield self.store.get_state_for_events( - room_id, frozenset(e.event_id for e in events), + frozenset(e.event_id for e in events), types=( (EventTypes.RoomHistoryVisibility, ""), (EventTypes.Member, None), @@ -553,7 +564,7 @@ class FederationHandler(BaseHandler): @log_function @defer.inlineCallbacks - def do_invite_join(self, target_hosts, room_id, joinee, content, snapshot): + def do_invite_join(self, target_hosts, room_id, joinee, content): """ Attempts to join the `joinee` to the room `room_id` via the server `target_host`. @@ -569,49 +580,19 @@ class FederationHandler(BaseHandler): yield self.store.clean_room_for_join(room_id) - origin, pdu = yield self.replication_layer.make_join( + origin, event = yield self._make_and_verify_event( target_hosts, room_id, - joinee + joinee, + "join", + content, ) - logger.debug("Got response to make_join: %s", pdu) - - event = pdu - - # We should assert some things. - # FIXME: Do this in a nicer way - assert(event.type == EventTypes.Member) - assert(event.user_id == joinee) - assert(event.state_key == joinee) - assert(event.room_id == room_id) - - event.internal_metadata.outlier = False - self.room_queues[room_id] = [] - - builder = self.event_builder_factory.new( - unfreeze(event.get_pdu_json()) - ) - handled_events = set() try: - builder.event_id = self.event_builder_factory.create_event_id() - builder.origin = self.hs.hostname - builder.content = content - - if not hasattr(event, "signatures"): - builder.signatures = {} - - add_hashes_and_signatures( - builder, - self.hs.hostname, - self.hs.config.signing_key[0], - ) - - new_event = builder.build() - + new_event = self._sign_event(event) # Try the host we successfully got a response to /make_join/ # request first. try: @@ -619,11 +600,7 @@ class FederationHandler(BaseHandler): target_hosts.insert(0, origin) except ValueError: pass - - ret = yield self.replication_layer.send_join( - target_hosts, - new_event - ) + ret = yield self.replication_layer.send_join(target_hosts, new_event) origin = ret["origin"] state = ret["state"] @@ -649,35 +626,8 @@ class FederationHandler(BaseHandler): # FIXME pass - ev_infos = [] - for e in itertools.chain(state, auth_chain): - if e.event_id == event.event_id: - continue - - e.internal_metadata.outlier = True - auth_ids = [e_id for e_id, _ in e.auth_events] - ev_infos.append({ - "event": e, - "auth_events": { - (e.type, e.state_key): e for e in auth_chain - if e.event_id in auth_ids - } - }) - - yield self._handle_new_events(origin, ev_infos, outliers=True) - - auth_ids = [e_id for e_id, _ in event.auth_events] - auth_events = { - (e.type, e.state_key): e for e in auth_chain - if e.event_id in auth_ids - } - - _, event_stream_id, max_stream_id = yield self._handle_new_event( - origin, - new_event, - state=state, - current_state=state, - auth_events=auth_events, + event_stream_id, max_stream_id = yield self._persist_auth_tree( + auth_chain, state, event ) with PreserveLoggingContext(): @@ -714,12 +664,14 @@ class FederationHandler(BaseHandler): @log_function def on_make_join_request(self, room_id, user_id): """ We've received a /make_join/ request, so we create a partial - join event for the room and return that. We don *not* persist or + join event for the room and return that. We do *not* persist or process it until the other server has signed it and sent it back. """ + event_content = {"membership": Membership.JOIN} + builder = self.event_builder_factory.new({ "type": EventTypes.Member, - "content": {"membership": Membership.JOIN}, + "content": event_content, "room_id": room_id, "sender": user_id, "state_key": user_id, @@ -864,6 +816,168 @@ class FederationHandler(BaseHandler): defer.returnValue(event) + @defer.inlineCallbacks + def do_remotely_reject_invite(self, target_hosts, room_id, user_id): + origin, event = yield self._make_and_verify_event( + target_hosts, + room_id, + user_id, + "leave" + ) + signed_event = self._sign_event(event) + + # Try the host we successfully got a response to /make_join/ + # request first. + try: + target_hosts.remove(origin) + target_hosts.insert(0, origin) + except ValueError: + pass + + yield self.replication_layer.send_leave( + target_hosts, + signed_event + ) + defer.returnValue(None) + + @defer.inlineCallbacks + def _make_and_verify_event(self, target_hosts, room_id, user_id, membership, + content={},): + origin, pdu = yield self.replication_layer.make_membership_event( + target_hosts, + room_id, + user_id, + membership, + content, + ) + + logger.debug("Got response to make_%s: %s", membership, pdu) + + event = pdu + + # We should assert some things. + # FIXME: Do this in a nicer way + assert(event.type == EventTypes.Member) + assert(event.user_id == user_id) + assert(event.state_key == user_id) + assert(event.room_id == room_id) + defer.returnValue((origin, event)) + + def _sign_event(self, event): + event.internal_metadata.outlier = False + + builder = self.event_builder_factory.new( + unfreeze(event.get_pdu_json()) + ) + + builder.event_id = self.event_builder_factory.create_event_id() + builder.origin = self.hs.hostname + + if not hasattr(event, "signatures"): + builder.signatures = {} + + add_hashes_and_signatures( + builder, + self.hs.hostname, + self.hs.config.signing_key[0], + ) + + return builder.build() + + @defer.inlineCallbacks + @log_function + def on_make_leave_request(self, room_id, user_id): + """ We've received a /make_leave/ request, so we create a partial + join event for the room and return that. We do *not* persist or + process it until the other server has signed it and sent it back. + """ + builder = self.event_builder_factory.new({ + "type": EventTypes.Member, + "content": {"membership": Membership.LEAVE}, + "room_id": room_id, + "sender": user_id, + "state_key": user_id, + }) + + event, context = yield self._create_new_client_event( + builder=builder, + ) + + self.auth.check(event, auth_events=context.current_state) + + defer.returnValue(event) + + @defer.inlineCallbacks + @log_function + def on_send_leave_request(self, origin, pdu): + """ We have received a leave event for a room. Fully process it.""" + event = pdu + + logger.debug( + "on_send_leave_request: Got event: %s, signatures: %s", + event.event_id, + event.signatures, + ) + + event.internal_metadata.outlier = False + + context, event_stream_id, max_stream_id = yield self._handle_new_event( + origin, event + ) + + logger.debug( + "on_send_leave_request: After _handle_new_event: %s, sigs: %s", + event.event_id, + event.signatures, + ) + + extra_users = [] + if event.type == EventTypes.Member: + target_user_id = event.state_key + target_user = UserID.from_string(target_user_id) + extra_users.append(target_user) + + with PreserveLoggingContext(): + d = self.notifier.on_new_room_event( + event, event_stream_id, max_stream_id, extra_users=extra_users + ) + + def log_failure(f): + logger.warn( + "Failed to notify about %s: %s", + event.event_id, f.value + ) + + d.addErrback(log_failure) + + new_pdu = event + + destinations = set() + + for k, s in context.current_state.items(): + try: + if k[0] == EventTypes.Member: + if s.content["membership"] == Membership.LEAVE: + destinations.add( + UserID.from_string(s.state_key).domain + ) + except: + logger.warn( + "Failed to get destination from event %s", s.event_id + ) + + destinations.discard(origin) + + logger.debug( + "on_send_leave_request: Sending event: %s, signatures: %s", + event.event_id, + event.signatures, + ) + + self.replication_layer.send_pdu(new_pdu, destinations) + + defer.returnValue(None) + @defer.inlineCallbacks def get_state_for_pdu(self, origin, room_id, event_id, do_auth=True): yield run_on_reactor() @@ -986,8 +1100,6 @@ class FederationHandler(BaseHandler): context = yield self._prep_event( origin, event, state=state, - backfilled=backfilled, - current_state=current_state, auth_events=auth_events, ) @@ -1010,7 +1122,6 @@ class FederationHandler(BaseHandler): origin, ev_info["event"], state=ev_info.get("state"), - backfilled=backfilled, auth_events=ev_info.get("auth_events"), ) for ev_info in event_infos @@ -1027,8 +1138,77 @@ class FederationHandler(BaseHandler): ) @defer.inlineCallbacks - def _prep_event(self, origin, event, state=None, backfilled=False, - current_state=None, auth_events=None): + def _persist_auth_tree(self, auth_events, state, event): + """Checks the auth chain is valid (and passes auth checks) for the + state and event. Then persists the auth chain and state atomically. + Persists the event seperately. + + Returns: + 2-tuple of (event_stream_id, max_stream_id) from the persist_event + call for `event` + """ + events_to_context = {} + for e in itertools.chain(auth_events, state): + ctx = yield self.state_handler.compute_event_context( + e, outlier=True, + ) + events_to_context[e.event_id] = ctx + e.internal_metadata.outlier = True + + event_map = { + e.event_id: e + for e in auth_events + } + + create_event = None + for e in auth_events: + if (e.type, e.state_key) == (EventTypes.Create, ""): + create_event = e + break + + for e in itertools.chain(auth_events, state, [event]): + auth_for_e = { + (event_map[e_id].type, event_map[e_id].state_key): event_map[e_id] + for e_id, _ in e.auth_events + } + if create_event: + auth_for_e[(EventTypes.Create, "")] = create_event + + try: + self.auth.check(e, auth_events=auth_for_e) + except AuthError as err: + logger.warn( + "Rejecting %s because %s", + e.event_id, err.msg + ) + + if e == event: + raise + events_to_context[e.event_id].rejected = RejectedReason.AUTH_ERROR + + yield self.store.persist_events( + [ + (e, events_to_context[e.event_id]) + for e in itertools.chain(auth_events, state) + ], + is_new_state=False, + ) + + new_event_context = yield self.state_handler.compute_event_context( + event, old_state=state, outlier=False, + ) + + event_stream_id, max_stream_id = yield self.store.persist_event( + event, new_event_context, + backfilled=False, + is_new_state=True, + current_state=state, + ) + + defer.returnValue((event_stream_id, max_stream_id)) + + @defer.inlineCallbacks + def _prep_event(self, origin, event, state=None, auth_events=None): outlier = event.internal_metadata.is_outlier() context = yield self.state_handler.compute_event_context( @@ -1061,6 +1241,10 @@ class FederationHandler(BaseHandler): context.rejected = RejectedReason.AUTH_ERROR + if event.type == EventTypes.GuestAccess: + full_context = yield self.store.get_current_state(room_id=event.room_id) + yield self.maybe_kick_guest_users(event, full_context) + defer.returnValue(context) @defer.inlineCallbacks @@ -1166,7 +1350,7 @@ class FederationHandler(BaseHandler): auth_ids = [e_id for e_id, _ in e.auth_events] auth = { (e.type, e.state_key): e for e in remote_auth_chain - if e.event_id in auth_ids + if e.event_id in auth_ids or e.type == EventTypes.Create } e.internal_metadata.outlier = True @@ -1284,6 +1468,7 @@ class FederationHandler(BaseHandler): (e.type, e.state_key): e for e in result["auth_chain"] if e.event_id in auth_ids + or event.type == EventTypes.Create } ev.internal_metadata.outlier = True @@ -1458,50 +1643,73 @@ class FederationHandler(BaseHandler): }) @defer.inlineCallbacks - def _handle_auth_events(self, origin, auth_events): - auth_ids_to_deferred = {} + @log_function + def exchange_third_party_invite(self, invite): + sender = invite["sender"] + room_id = invite["room_id"] - def process_auth_ev(ev): - auth_ids = [e_id for e_id, _ in ev.auth_events] + event_dict = { + "type": EventTypes.Member, + "content": { + "membership": Membership.INVITE, + "third_party_invite": invite, + }, + "room_id": room_id, + "sender": sender, + "state_key": invite["mxid"], + } - prev_ds = [ - auth_ids_to_deferred[i] - for i in auth_ids - if i in auth_ids_to_deferred - ] + if (yield self.auth.check_host_in_room(room_id, self.hs.hostname)): + builder = self.event_builder_factory.new(event_dict) + EventValidator().validate_new(builder) + event, context = yield self._create_new_client_event(builder=builder) + self.auth.check(event, context.current_state) + yield self._validate_keyserver(event, auth_events=context.current_state) + member_handler = self.hs.get_handlers().room_member_handler + yield member_handler.change_membership(event, context) + else: + destinations = set([x.split(":", 1)[-1] for x in (sender, room_id)]) + yield self.replication_layer.forward_third_party_invite( + destinations, + room_id, + event_dict, + ) - d = defer.Deferred() + @defer.inlineCallbacks + @log_function + def on_exchange_third_party_invite_request(self, origin, room_id, event_dict): + builder = self.event_builder_factory.new(event_dict) - auth_ids_to_deferred[ev.event_id] = d + event, context = yield self._create_new_client_event( + builder=builder, + ) - @defer.inlineCallbacks - def f(*_): - ev.internal_metadata.outlier = True + self.auth.check(event, auth_events=context.current_state) + yield self._validate_keyserver(event, auth_events=context.current_state) - try: - auth = { - (e.type, e.state_key): e for e in auth_events - if e.event_id in auth_ids - } + returned_invite = yield self.send_invite(origin, event) + # TODO: Make sure the signatures actually are correct. + event.signatures.update(returned_invite.signatures) + member_handler = self.hs.get_handlers().room_member_handler + yield member_handler.change_membership(event, context) - yield self._handle_new_event( - origin, ev, auth_events=auth - ) - except: - logger.exception( - "Failed to handle auth event %s", - ev.event_id, - ) + @defer.inlineCallbacks + def _validate_keyserver(self, event, auth_events): + token = event.content["third_party_invite"]["signed"]["token"] - d.callback(None) + invite_event = auth_events.get( + (EventTypes.ThirdPartyInvite, token,) + ) - if prev_ds: - dx = defer.DeferredList(prev_ds) - dx.addBoth(f) - else: - f() - - for e in auth_events: - process_auth_ev(e) - - yield defer.DeferredList(auth_ids_to_deferred.values()) + try: + response = yield self.hs.get_simple_http_client().get_json( + invite_event.content["key_validity_url"], + {"public_key": invite_event.content["public_key"]} + ) + except Exception: + raise SynapseError( + 502, + "Third party certificate could not be checked" + ) + if "valid" not in response or not response["valid"]: + raise AuthError(403, "Third party certificate was invalid") diff --git a/synapse/handlers/message.py b/synapse/handlers/message.py index f12465fa2..14051aee9 100644 --- a/synapse/handlers/message.py +++ b/synapse/handlers/message.py @@ -16,13 +16,13 @@ from twisted.internet import defer from synapse.api.constants import EventTypes, Membership -from synapse.api.errors import RoomError, SynapseError +from synapse.api.errors import SynapseError, AuthError, Codes from synapse.streams.config import PaginationConfig from synapse.events.utils import serialize_event from synapse.events.validator import EventValidator from synapse.util import unwrapFirstError from synapse.util.logcontext import PreserveLoggingContext -from synapse.types import UserID, RoomStreamToken +from synapse.types import UserID, RoomStreamToken, StreamToken from ._base import BaseHandler @@ -71,34 +71,64 @@ class MessageHandler(BaseHandler): @defer.inlineCallbacks def get_messages(self, user_id=None, room_id=None, pagin_config=None, - feedback=False, as_client_event=True): + as_client_event=True, is_guest=False): """Get messages in a room. Args: user_id (str): The user requesting messages. room_id (str): The room they want messages from. pagin_config (synapse.api.streams.PaginationConfig): The pagination - config rules to apply, if any. - feedback (bool): True to get compressed feedback with the messages + config rules to apply, if any. as_client_event (bool): True to get events in client-server format. + is_guest (bool): Whether the requesting user is a guest (as opposed + to a fully registered user). Returns: dict: Pagination API results """ - yield self.auth.check_joined_room(room_id, user_id) - data_source = self.hs.get_event_sources().sources["room"] - if not pagin_config.from_token: + if pagin_config.from_token: + room_token = pagin_config.from_token.room_key + else: pagin_config.from_token = ( yield self.hs.get_event_sources().get_current_token( direction='b' ) ) + room_token = pagin_config.from_token.room_key - room_token = RoomStreamToken.parse(pagin_config.from_token.room_key) + room_token = RoomStreamToken.parse(room_token) if room_token.topological is None: raise SynapseError(400, "Invalid token") + pagin_config.from_token = pagin_config.from_token.copy_and_replace( + "room_key", str(room_token) + ) + + source_config = pagin_config.get_source_config("room") + + if not is_guest: + member_event = yield self.auth.check_user_was_in_room(room_id, user_id) + if member_event.membership == Membership.LEAVE: + # If they have left the room then clamp the token to be before + # they left the room. + # If they're a guest, we'll just 403 them if they're asking for + # events they can't see. + leave_token = yield self.store.get_topological_token_for_event( + member_event.event_id + ) + leave_token = RoomStreamToken.parse(leave_token) + if leave_token.topological < room_token.topological: + source_config.from_key = str(leave_token) + + if source_config.direction == "f": + if source_config.to_key is None: + source_config.to_key = str(leave_token) + else: + to_token = RoomStreamToken.parse(source_config.to_key) + if leave_token.topological < to_token.topological: + source_config.to_key = str(leave_token) + yield self.hs.get_handlers().federation_handler.maybe_backfill( room_id, room_token.topological ) @@ -106,7 +136,7 @@ class MessageHandler(BaseHandler): user = UserID.from_string(user_id) events, next_key = yield data_source.get_pagination_rows( - user, pagin_config.get_source_config("room"), room_id + user, source_config, room_id ) next_token = pagin_config.from_token.copy_and_replace( @@ -120,7 +150,7 @@ class MessageHandler(BaseHandler): "end": next_token.to_string(), }) - events = yield self._filter_events_for_client(user_id, room_id, events) + events = yield self._filter_events_for_client(user_id, events, is_guest=is_guest) time_now = self.clock.time_msec() @@ -135,55 +165,9 @@ class MessageHandler(BaseHandler): defer.returnValue(chunk) - @defer.inlineCallbacks - def _filter_events_for_client(self, user_id, room_id, events): - event_id_to_state = yield self.store.get_state_for_events( - room_id, frozenset(e.event_id for e in events), - types=( - (EventTypes.RoomHistoryVisibility, ""), - (EventTypes.Member, user_id), - ) - ) - - def allowed(event, state): - if event.type == EventTypes.RoomHistoryVisibility: - return True - - membership_ev = state.get((EventTypes.Member, user_id), None) - if membership_ev: - membership = membership_ev.membership - else: - membership = Membership.LEAVE - - if membership == Membership.JOIN: - return True - - history = state.get((EventTypes.RoomHistoryVisibility, ''), None) - if history: - visibility = history.content.get("history_visibility", "shared") - else: - visibility = "shared" - - if visibility == "public": - return True - elif visibility == "shared": - return True - elif visibility == "joined": - return membership == Membership.JOIN - elif visibility == "invited": - return membership == Membership.INVITE - - return True - - defer.returnValue([ - event - for event in events - if allowed(event, event_id_to_state[event.event_id]) - ]) - @defer.inlineCallbacks def create_and_send_event(self, event_dict, ratelimit=True, - client=None, txn_id=None): + token_id=None, txn_id=None, is_guest=False): """ Given a dict from a client, create and handle a new event. Creates an FrozenEvent object, filling out auth_events, prev_events, @@ -217,11 +201,8 @@ class MessageHandler(BaseHandler): builder.content ) - if client is not None: - if client.token_id is not None: - builder.internal_metadata.token_id = client.token_id - if client.device_id is not None: - builder.internal_metadata.device_id = client.device_id + if token_id is not None: + builder.internal_metadata.token_id = token_id if txn_id is not None: builder.internal_metadata.txn_id = txn_id @@ -232,7 +213,7 @@ class MessageHandler(BaseHandler): if event.type == EventTypes.Member: member_handler = self.hs.get_handlers().room_member_handler - yield member_handler.change_membership(event, context) + yield member_handler.change_membership(event, context, is_guest=is_guest) else: yield self.handle_new_client_event( event=event, @@ -248,7 +229,7 @@ class MessageHandler(BaseHandler): @defer.inlineCallbacks def get_room_data(self, user_id=None, room_id=None, - event_type=None, state_key=""): + event_type=None, state_key="", is_guest=False): """ Get data from a room. Args: @@ -258,29 +239,55 @@ class MessageHandler(BaseHandler): Raises: SynapseError if something went wrong. """ - have_joined = yield self.auth.check_joined_room(room_id, user_id) - if not have_joined: - raise RoomError(403, "User not in room.") - - data = yield self.state_handler.get_current_state( - room_id, event_type, state_key + membership, membership_event_id = yield self._check_in_room_or_world_readable( + room_id, user_id, is_guest ) + + if membership == Membership.JOIN: + data = yield self.state_handler.get_current_state( + room_id, event_type, state_key + ) + elif membership == Membership.LEAVE: + key = (event_type, state_key) + room_state = yield self.store.get_state_for_events( + [membership_event_id], [key] + ) + data = room_state[membership_event_id].get(key) + defer.returnValue(data) @defer.inlineCallbacks - def get_feedback(self, event_id): - # yield self.auth.check_joined_room(room_id, user_id) - - # Pull out the feedback from the db - fb = yield self.store.get_feedback(event_id) - - if fb: - defer.returnValue(fb) - defer.returnValue(None) + def _check_in_room_or_world_readable(self, room_id, user_id, is_guest): + try: + # check_user_was_in_room will return the most recent membership + # event for the user if: + # * The user is a non-guest user, and was ever in the room + # * The user is a guest user, and has joined the room + # else it will throw. + member_event = yield self.auth.check_user_was_in_room(room_id, user_id) + defer.returnValue((member_event.membership, member_event.event_id)) + return + except AuthError, auth_error: + visibility = yield self.state_handler.get_current_state( + room_id, EventTypes.RoomHistoryVisibility, "" + ) + if ( + visibility and + visibility.content["history_visibility"] == "world_readable" + ): + defer.returnValue((Membership.JOIN, None)) + return + if not is_guest: + raise auth_error + raise AuthError( + 403, "Guest access not allowed", errcode=Codes.GUEST_ACCESS_FORBIDDEN + ) @defer.inlineCallbacks - def get_state_events(self, user_id, room_id): - """Retrieve all state events for a given room. + def get_state_events(self, user_id, room_id, is_guest=False): + """Retrieve all state events for a given room. If the user is + joined to the room then return the current state. If the user has + left the room return the state events from when they left. Args: user_id(str): The user requesting state events. @@ -288,18 +295,26 @@ class MessageHandler(BaseHandler): Returns: A list of dicts representing state events. [{}, {}, {}] """ - yield self.auth.check_joined_room(room_id, user_id) + membership, membership_event_id = yield self._check_in_room_or_world_readable( + room_id, user_id, is_guest + ) + + if membership == Membership.JOIN: + room_state = yield self.state_handler.get_current_state(room_id) + elif membership == Membership.LEAVE: + room_state = yield self.store.get_state_for_events( + [membership_event_id], None + ) + room_state = room_state[membership_event_id] - # TODO: This is duplicating logic from snapshot_all_rooms - current_state = yield self.state_handler.get_current_state(room_id) now = self.clock.time_msec() defer.returnValue( - [serialize_event(c, now) for c in current_state.values()] + [serialize_event(c, now) for c in room_state.values()] ) @defer.inlineCallbacks def snapshot_all_rooms(self, user_id=None, pagin_config=None, - feedback=False, as_client_event=True): + as_client_event=True, include_archived=False): """Retrieve a snapshot of all rooms the user is invited or has joined. This snapshot may include messages for all rooms where the user is @@ -309,17 +324,20 @@ class MessageHandler(BaseHandler): user_id (str): The ID of the user making the request. pagin_config (synapse.api.streams.PaginationConfig): The pagination config used to determine how many messages *PER ROOM* to return. - feedback (bool): True to get feedback along with these messages. as_client_event (bool): True to get events in client-server format. + include_archived (bool): True to get rooms that the user has left Returns: A list of dicts with "room_id" and "membership" keys for all rooms the user is currently invited or joined in on. Rooms where the user is joined on, may return a "messages" key with messages, depending on the specified PaginationConfig. """ + memberships = [Membership.INVITE, Membership.JOIN] + if include_archived: + memberships.append(Membership.LEAVE) + room_list = yield self.store.get_rooms_for_user_where_membership_is( - user_id=user_id, - membership_list=[Membership.INVITE, Membership.JOIN] + user_id=user_id, membership_list=memberships ) user = UserID.from_string(user_id) @@ -339,6 +357,8 @@ class MessageHandler(BaseHandler): user, pagination_config.get_source_config("receipt"), None ) + tags_by_room = yield self.store.get_tags_for_user(user_id) + public_room_ids = yield self.store.get_public_room_ids() limit = pagin_config.limit @@ -357,28 +377,45 @@ class MessageHandler(BaseHandler): } if event.membership == Membership.INVITE: + time_now = self.clock.time_msec() d["inviter"] = event.sender + invite_event = yield self.store.get_event(event.event_id) + d["invite"] = serialize_event(invite_event, time_now, as_client_event) + rooms_ret.append(d) - if event.membership != Membership.JOIN: + if event.membership not in (Membership.JOIN, Membership.LEAVE): return + try: + if event.membership == Membership.JOIN: + room_end_token = now_token.room_key + deferred_room_state = self.state_handler.get_current_state( + event.room_id + ) + elif event.membership == Membership.LEAVE: + room_end_token = "s%d" % (event.stream_ordering,) + deferred_room_state = self.store.get_state_for_events( + [event.event_id], None + ) + deferred_room_state.addCallback( + lambda states: states[event.event_id] + ) + (messages, token), current_state = yield defer.gatherResults( [ self.store.get_recent_events_for_room( event.room_id, limit=limit, - end_token=now_token.room_key, - ), - self.state_handler.get_current_state( - event.room_id + end_token=room_end_token, ), + deferred_room_state, ] ).addErrback(unwrapFirstError) messages = yield self._filter_events_for_client( - user_id, event.room_id, messages + user_id, messages ) start_token = now_token.copy_and_replace("room_key", token[0]) @@ -398,6 +435,15 @@ class MessageHandler(BaseHandler): serialize_event(c, time_now, as_client_event) for c in current_state.values() ] + + private_user_data = [] + tags = tags_by_room.get(event.room_id) + if tags: + private_user_data.append({ + "type": "m.tag", + "content": {"tags": tags}, + }) + d["private_user_data"] = private_user_data except: logger.exception("Failed to get snapshot") @@ -420,15 +466,99 @@ class MessageHandler(BaseHandler): defer.returnValue(ret) @defer.inlineCallbacks - def room_initial_sync(self, user_id, room_id, pagin_config=None, - feedback=False): - current_state = yield self.state.get_current_state( - room_id=room_id, + def room_initial_sync(self, user_id, room_id, pagin_config=None, is_guest=False): + """Capture the a snapshot of a room. If user is currently a member of + the room this will be what is currently in the room. If the user left + the room this will be what was in the room when they left. + + Args: + user_id(str): The user to get a snapshot for. + room_id(str): The room to get a snapshot of. + pagin_config(synapse.streams.config.PaginationConfig): + The pagination config used to determine how many messages to + return. + Raises: + AuthError if the user wasn't in the room. + Returns: + A JSON serialisable dict with the snapshot of the room. + """ + + membership, member_event_id = yield self._check_in_room_or_world_readable( + room_id, + user_id, + is_guest ) - yield self.auth.check_joined_room( - room_id, user_id, - current_state=current_state + if membership == Membership.JOIN: + result = yield self._room_initial_sync_joined( + user_id, room_id, pagin_config, membership, is_guest + ) + elif membership == Membership.LEAVE: + result = yield self._room_initial_sync_parted( + user_id, room_id, pagin_config, membership, member_event_id, is_guest + ) + + private_user_data = [] + tags = yield self.store.get_tags_for_room(user_id, room_id) + if tags: + private_user_data.append({ + "type": "m.tag", + "content": {"tags": tags}, + }) + result["private_user_data"] = private_user_data + + defer.returnValue(result) + + @defer.inlineCallbacks + def _room_initial_sync_parted(self, user_id, room_id, pagin_config, + membership, member_event_id, is_guest): + room_state = yield self.store.get_state_for_events( + [member_event_id], None + ) + + room_state = room_state[member_event_id] + + limit = pagin_config.limit if pagin_config else None + if limit is None: + limit = 10 + + stream_token = yield self.store.get_stream_token_for_event( + member_event_id + ) + + messages, token = yield self.store.get_recent_events_for_room( + room_id, + limit=limit, + end_token=stream_token + ) + + messages = yield self._filter_events_for_client( + user_id, messages, is_guest=is_guest + ) + + start_token = StreamToken(token[0], 0, 0, 0, 0) + end_token = StreamToken(token[1], 0, 0, 0, 0) + + time_now = self.clock.time_msec() + + defer.returnValue({ + "membership": membership, + "room_id": room_id, + "messages": { + "chunk": [serialize_event(m, time_now) for m in messages], + "start": start_token.to_string(), + "end": end_token.to_string(), + }, + "state": [serialize_event(s, time_now) for s in room_state.values()], + "presence": [], + "receipts": [], + }) + + @defer.inlineCallbacks + def _room_initial_sync_joined(self, user_id, room_id, pagin_config, + membership, is_guest): + current_state = yield self.state.get_current_state( + room_id=room_id, ) # TODO(paul): I wish I was called with user objects not user_id @@ -442,8 +572,6 @@ class MessageHandler(BaseHandler): for x in current_state.values() ] - member_event = current_state.get((EventTypes.Member, user_id,)) - now_token = yield self.hs.get_event_sources().get_current_token() limit = pagin_config.limit if pagin_config else None @@ -460,12 +588,14 @@ class MessageHandler(BaseHandler): @defer.inlineCallbacks def get_presence(): - states = yield presence_handler.get_states( - target_users=[UserID.from_string(m.user_id) for m in room_members], - auth_user=auth_user, - as_event=True, - check_auth=False, - ) + states = {} + if not is_guest: + states = yield presence_handler.get_states( + target_users=[UserID.from_string(m.user_id) for m in room_members], + auth_user=auth_user, + as_event=True, + check_auth=False, + ) defer.returnValue(states.values()) @@ -485,7 +615,7 @@ class MessageHandler(BaseHandler): ).addErrback(unwrapFirstError) messages = yield self._filter_events_for_client( - user_id, room_id, messages + user_id, messages, is_guest=is_guest, require_all_visible_for_guests=False ) start_token = now_token.copy_and_replace("room_key", token[0]) @@ -493,8 +623,7 @@ class MessageHandler(BaseHandler): time_now = self.clock.time_msec() - defer.returnValue({ - "membership": member_event.membership, + ret = { "room_id": room_id, "messages": { "chunk": [serialize_event(m, time_now) for m in messages], @@ -504,4 +633,8 @@ class MessageHandler(BaseHandler): "state": state, "presence": presence, "receipts": receipts, - }) + } + if not is_guest: + ret["membership"] = membership + + defer.returnValue(ret) diff --git a/synapse/handlers/presence.py b/synapse/handlers/presence.py index e91e81831..aca65096f 100644 --- a/synapse/handlers/presence.py +++ b/synapse/handlers/presence.py @@ -378,7 +378,7 @@ class PresenceHandler(BaseHandler): # TODO(paul): perform a presence push as part of start/stop poll so # we don't have to do this all the time - self.changed_presencelike_data(target_user, state) + yield self.changed_presencelike_data(target_user, state) def bump_presence_active_time(self, user, now=None): if now is None: @@ -422,12 +422,12 @@ class PresenceHandler(BaseHandler): @log_function def started_user_eventstream(self, user): # TODO(paul): Use "last online" state - self.set_state(user, user, {"presence": PresenceState.ONLINE}) + return self.set_state(user, user, {"presence": PresenceState.ONLINE}) @log_function def stopped_user_eventstream(self, user): # TODO(paul): Save current state as "last online" state - self.set_state(user, user, {"presence": PresenceState.OFFLINE}) + return self.set_state(user, user, {"presence": PresenceState.OFFLINE}) @defer.inlineCallbacks def user_joined_room(self, user, room_id): @@ -950,7 +950,8 @@ class PresenceHandler(BaseHandler): ) while len(self._remote_offline_serials) > MAX_OFFLINE_SERIALS: self._remote_offline_serials.pop() # remove the oldest - del self._user_cachemap[user] + if user in self._user_cachemap: + del self._user_cachemap[user] else: # Remove the user from remote_offline_serials now that they're # no longer offline @@ -1142,8 +1143,9 @@ class PresenceEventSource(object): @defer.inlineCallbacks @log_function - def get_new_events_for_user(self, user, from_key, limit): + def get_new_events(self, user, from_key, room_ids=None, **kwargs): from_key = int(from_key) + room_ids = room_ids or [] presence = self.hs.get_handlers().presence_handler cachemap = presence._user_cachemap @@ -1161,7 +1163,6 @@ class PresenceEventSource(object): user_ids_to_check |= set( UserID.from_string(p["observed_user_id"]) for p in presence_list ) - room_ids = yield presence.get_joined_rooms_for_user(user) for room_id in set(room_ids) & set(presence._room_serials): if presence._room_serials[room_id] > from_key: joined = yield presence.get_joined_users_for_room_id(room_id) @@ -1263,6 +1264,11 @@ class UserPresenceCache(object): self.state = {"presence": PresenceState.OFFLINE} self.serial = None + def __repr__(self): + return "UserPresenceCache(state=%r, serial=%r)" % ( + self.state, self.serial + ) + def update(self, state, serial): assert("mtime_age" not in state) diff --git a/synapse/handlers/private_user_data.py b/synapse/handlers/private_user_data.py new file mode 100644 index 000000000..1abe45ed7 --- /dev/null +++ b/synapse/handlers/private_user_data.py @@ -0,0 +1,46 @@ +# -*- coding: utf-8 -*- +# Copyright 2015 OpenMarket Ltd +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +from twisted.internet import defer + + +class PrivateUserDataEventSource(object): + def __init__(self, hs): + self.store = hs.get_datastore() + + def get_current_key(self, direction='f'): + return self.store.get_max_private_user_data_stream_id() + + @defer.inlineCallbacks + def get_new_events(self, user, from_key, **kwargs): + user_id = user.to_string() + last_stream_id = from_key + + current_stream_id = yield self.store.get_max_private_user_data_stream_id() + tags = yield self.store.get_updated_tags(user_id, last_stream_id) + + results = [] + for room_id, room_tags in tags.items(): + results.append({ + "type": "m.tag", + "content": {"tags": room_tags}, + "room_id": room_id, + }) + + defer.returnValue((results, current_stream_id)) + + @defer.inlineCallbacks + def get_pagination_rows(self, user, config, key): + defer.returnValue(([], config.to_id)) diff --git a/synapse/handlers/receipts.py b/synapse/handlers/receipts.py index 86c911c4b..973f4d5ca 100644 --- a/synapse/handlers/receipts.py +++ b/synapse/handlers/receipts.py @@ -156,13 +156,7 @@ class ReceiptsHandler(BaseHandler): if not result: defer.returnValue([]) - event = { - "type": "m.receipt", - "room_id": room_id, - "content": result, - } - - defer.returnValue([event]) + defer.returnValue(result) class ReceiptEventSource(object): @@ -170,17 +164,15 @@ class ReceiptEventSource(object): self.store = hs.get_datastore() @defer.inlineCallbacks - def get_new_events_for_user(self, user, from_key, limit): + def get_new_events(self, from_key, room_ids, **kwargs): from_key = int(from_key) to_key = yield self.get_current_key() if from_key == to_key: defer.returnValue(([], to_key)) - rooms = yield self.store.get_rooms_for_user(user.to_string()) - rooms = [room.room_id for room in rooms] events = yield self.store.get_linearized_receipts_for_rooms( - rooms, + room_ids, from_key=from_key, to_key=to_key, ) diff --git a/synapse/handlers/register.py b/synapse/handlers/register.py index 86390a367..493a08703 100644 --- a/synapse/handlers/register.py +++ b/synapse/handlers/register.py @@ -25,8 +25,6 @@ import synapse.util.stringutils as stringutils from synapse.util.async import run_on_reactor from synapse.http.client import CaptchaServerHttpClient -import base64 -import bcrypt import logging import urllib @@ -66,7 +64,7 @@ class RegistrationHandler(BaseHandler): ) @defer.inlineCallbacks - def register(self, localpart=None, password=None): + def register(self, localpart=None, password=None, generate_token=True): """Registers a new client on the server. Args: @@ -83,7 +81,7 @@ class RegistrationHandler(BaseHandler): yield run_on_reactor() password_hash = None if password: - password_hash = bcrypt.hashpw(password, bcrypt.gensalt()) + password_hash = self.auth_handler().hash(password) if localpart: yield self.check_username(localpart) @@ -91,7 +89,9 @@ class RegistrationHandler(BaseHandler): user = UserID(localpart, self.hs.hostname) user_id = user.to_string() - token = self.generate_token(user_id) + token = None + if generate_token: + token = self.auth_handler().generate_access_token(user_id) yield self.store.register( user_id=user_id, token=token, @@ -104,14 +104,14 @@ class RegistrationHandler(BaseHandler): attempts = 0 user_id = None token = None - while not user_id and not token: + while not user_id: try: localpart = self._generate_user_id() user = UserID(localpart, self.hs.hostname) user_id = user.to_string() yield self.check_user_id_is_valid(user_id) - - token = self.generate_token(user_id) + if generate_token: + token = self.auth_handler().generate_access_token(user_id) yield self.store.register( user_id=user_id, token=token, @@ -161,7 +161,7 @@ class RegistrationHandler(BaseHandler): 400, "Invalid user localpart for this application service.", errcode=Codes.EXCLUSIVE ) - token = self.generate_token(user_id) + token = self.auth_handler().generate_access_token(user_id) yield self.store.register( user_id=user_id, token=token, @@ -208,7 +208,7 @@ class RegistrationHandler(BaseHandler): user_id = user.to_string() yield self.check_user_id_is_valid(user_id) - token = self.generate_token(user_id) + token = self.auth_handler().generate_access_token(user_id) try: yield self.store.register( user_id=user_id, @@ -273,13 +273,6 @@ class RegistrationHandler(BaseHandler): errcode=Codes.EXCLUSIVE ) - def generate_token(self, user_id): - # urlsafe variant uses _ and - so use . as the separator and replace - # all =s with .s so http clients don't quote =s when it is used as - # query params. - return (base64.urlsafe_b64encode(user_id).replace('=', '.') + '.' + - stringutils.random_string(18)) - def _generate_user_id(self): return "-" + stringutils.random_string(18) @@ -322,3 +315,6 @@ class RegistrationHandler(BaseHandler): } ) defer.returnValue(data) + + def auth_handler(self): + return self.hs.get_handlers().auth_handler diff --git a/synapse/handlers/room.py b/synapse/handlers/room.py index c5d1001b5..3f0475258 100644 --- a/synapse/handlers/room.py +++ b/synapse/handlers/room.py @@ -22,26 +22,38 @@ from synapse.types import UserID, RoomAlias, RoomID from synapse.api.constants import ( EventTypes, Membership, JoinRules, RoomCreationPreset, ) -from synapse.api.errors import StoreError, SynapseError +from synapse.api.errors import AuthError, StoreError, SynapseError from synapse.util import stringutils, unwrapFirstError from synapse.util.async import run_on_reactor -from synapse.events.utils import serialize_event + +from signedjson.sign import verify_signed_json +from signedjson.key import decode_verify_key_bytes from collections import OrderedDict +from unpaddedbase64 import decode_base64 + import logging +import math import string logger = logging.getLogger(__name__) +id_server_scheme = "https://" + class RoomCreationHandler(BaseHandler): PRESETS_DICT = { RoomCreationPreset.PRIVATE_CHAT: { "join_rules": JoinRules.INVITE, - "history_visibility": "invited", + "history_visibility": "shared", "original_invitees_have_ops": False, }, + RoomCreationPreset.TRUSTED_PRIVATE_CHAT: { + "join_rules": JoinRules.INVITE, + "history_visibility": "shared", + "original_invitees_have_ops": True, + }, RoomCreationPreset.PUBLIC_CHAT: { "join_rules": JoinRules.PUBLIC, "history_visibility": "shared", @@ -150,12 +162,16 @@ class RoomCreationHandler(BaseHandler): for val in raw_initial_state: initial_state[(val["type"], val.get("state_key", ""))] = val["content"] + creation_content = config.get("creation_content", {}) + user = UserID.from_string(user_id) creation_events = self._create_events_for_new_room( user, room_id, preset_config=preset_config, invite_list=invite_list, initial_state=initial_state, + creation_content=creation_content, + room_alias=room_alias, ) msg_handler = self.hs.get_handlers().message_handler @@ -203,7 +219,8 @@ class RoomCreationHandler(BaseHandler): defer.returnValue(result) def _create_events_for_new_room(self, creator, room_id, preset_config, - invite_list, initial_state): + invite_list, initial_state, creation_content, + room_alias): config = RoomCreationHandler.PRESETS_DICT[preset_config] creator_id = creator.to_string() @@ -225,9 +242,10 @@ class RoomCreationHandler(BaseHandler): return e + creation_content.update({"creator": creator.to_string()}) creation_event = create( etype=EventTypes.Create, - content={"creator": creator.to_string()}, + content=creation_content, ) join_event = create( @@ -272,6 +290,14 @@ class RoomCreationHandler(BaseHandler): returned_events.append(power_levels_event) + if room_alias and (EventTypes.CanonicalAlias, '') not in initial_state: + room_alias_event = create( + etype=EventTypes.CanonicalAlias, + content={"alias": room_alias.to_string()}, + ) + + returned_events.append(room_alias_event) + if (EventTypes.JoinRules, '') not in initial_state: join_rules_event = create( etype=EventTypes.JoinRules, @@ -343,42 +369,7 @@ class RoomMemberHandler(BaseHandler): remotedomains.add(member.domain) @defer.inlineCallbacks - def get_room_members_as_pagination_chunk(self, room_id=None, user_id=None, - limit=0, start_tok=None, - end_tok=None): - """Retrieve a list of room members in the room. - - Args: - room_id (str): The room to get the member list for. - user_id (str): The ID of the user making the request. - limit (int): The max number of members to return. - start_tok (str): Optional. The start token if known. - end_tok (str): Optional. The end token if known. - Returns: - dict: A Pagination streamable dict. - Raises: - SynapseError if something goes wrong. - """ - yield self.auth.check_joined_room(room_id, user_id) - - member_list = yield self.store.get_room_members(room_id=room_id) - time_now = self.clock.time_msec() - event_list = [ - serialize_event(entry, time_now) - for entry in member_list - ] - chunk_data = { - "start": "START", # FIXME (erikj): START is no longer valid - "end": "END", - "chunk": event_list - } - # TODO honor Pagination stream params - # TODO snapshot this list to return on subsequent requests when - # paginating - defer.returnValue(chunk_data) - - @defer.inlineCallbacks - def change_membership(self, event, context, do_auth=True): + def change_membership(self, event, context, do_auth=True, is_guest=False): """ Change the membership status of a user in a room. Args: @@ -399,9 +390,38 @@ class RoomMemberHandler(BaseHandler): # if this HS is not currently in the room, i.e. we have to do the # invite/join dance. if event.membership == Membership.JOIN: + if is_guest: + guest_access = context.current_state.get( + (EventTypes.GuestAccess, ""), + None + ) + is_guest_access_allowed = ( + guest_access + and guest_access.content + and "guest_access" in guest_access.content + and guest_access.content["guest_access"] == "can_join" + ) + if not is_guest_access_allowed: + raise AuthError(403, "Guest access not allowed") + yield self._do_join(event, context, do_auth=do_auth) else: - # This is not a JOIN, so we can handle it normally. + if event.membership == Membership.LEAVE: + is_host_in_room = yield self.is_host_in_room(room_id, context) + if not is_host_in_room: + # Rejecting an invite, rather than leaving a joined room + handler = self.hs.get_handlers().federation_handler + inviter = yield self.get_inviter(event) + if not inviter: + # return the same error as join_room_alias does + raise SynapseError(404, "No known servers") + yield handler.do_remotely_reject_invite( + [inviter.domain], + room_id, + event.user_id + ) + defer.returnValue({"room_id": room_id}) + return # FIXME: This isn't idempotency. if prev_state and prev_state.membership == event.membership: @@ -425,7 +445,7 @@ class RoomMemberHandler(BaseHandler): defer.returnValue({"room_id": room_id}) @defer.inlineCallbacks - def join_room_alias(self, joinee, room_alias, do_auth=True, content={}): + def join_room_alias(self, joinee, room_alias, content={}): directory_handler = self.hs.get_handlers().directory_handler mapping = yield directory_handler.get_association(room_alias) @@ -459,8 +479,6 @@ class RoomMemberHandler(BaseHandler): @defer.inlineCallbacks def _do_join(self, event, context, room_hosts=None, do_auth=True): - joinee = UserID.from_string(event.state_key) - # room_id = RoomID.from_string(event.room_id, self.hs) room_id = event.room_id # XXX: We don't do an auth check if we are doing an invite @@ -468,41 +486,18 @@ class RoomMemberHandler(BaseHandler): # that we are allowed to join when we decide whether or not we # need to do the invite/join dance. - is_host_in_room = yield self.auth.check_host_in_room( - event.room_id, - self.hs.hostname - ) - if not is_host_in_room: - # is *anyone* in the room? - room_member_keys = [ - v for (k, v) in context.current_state.keys() if ( - k == "m.room.member" - ) - ] - if len(room_member_keys) == 0: - # has the room been created so we can join it? - create_event = context.current_state.get(("m.room.create", "")) - if create_event: - is_host_in_room = True - + is_host_in_room = yield self.is_host_in_room(room_id, context) if is_host_in_room: should_do_dance = False elif room_hosts: # TODO: Shouldn't this be remote_room_host? should_do_dance = True else: - # TODO(markjh): get prev_state from snapshot - prev_state = yield self.store.get_room_member( - joinee.to_string(), room_id - ) - - if prev_state and prev_state.membership == Membership.INVITE: - inviter = UserID.from_string(prev_state.user_id) - - should_do_dance = not self.hs.is_mine(inviter) - room_hosts = [inviter.domain] - else: + inviter = yield self.get_inviter(event) + if not inviter: # return the same error as join_room_alias does raise SynapseError(404, "No known servers") + should_do_dance = not self.hs.is_mine(inviter) + room_hosts = [inviter.domain] if should_do_dance: handler = self.hs.get_handlers().federation_handler @@ -510,8 +505,7 @@ class RoomMemberHandler(BaseHandler): room_hosts, room_id, event.user_id, - event.content, # FIXME To get a non-frozen dict - context + event.content, ) else: logger.debug("Doing normal join") @@ -529,30 +523,42 @@ class RoomMemberHandler(BaseHandler): ) @defer.inlineCallbacks - def _should_invite_join(self, room_id, prev_state, do_auth): - logger.debug("_should_invite_join: room_id: %s", room_id) + def get_inviter(self, event): + # TODO(markjh): get prev_state from snapshot + prev_state = yield self.store.get_room_member( + event.user_id, event.room_id + ) - # XXX: We don't do an auth check if we are doing an invite - # join dance for now, since we're kinda implicitly checking - # that we are allowed to join when we decide whether or not we - # need to do the invite/join dance. - - # Only do an invite join dance if a) we were invited, - # b) the person inviting was from a differnt HS and c) we are - # not currently in the room - room_host = None if prev_state and prev_state.membership == Membership.INVITE: - room = yield self.store.get_room(room_id) - inviter = UserID.from_string( - prev_state.sender - ) + defer.returnValue(UserID.from_string(prev_state.user_id)) + return + elif "third_party_invite" in event.content: + if "sender" in event.content["third_party_invite"]: + inviter = UserID.from_string( + event.content["third_party_invite"]["sender"] + ) + defer.returnValue(inviter) + defer.returnValue(None) - is_remote_invite_join = not self.hs.is_mine(inviter) and not room - room_host = inviter.domain - else: - is_remote_invite_join = False - - defer.returnValue((is_remote_invite_join, room_host)) + @defer.inlineCallbacks + def is_host_in_room(self, room_id, context): + is_host_in_room = yield self.auth.check_host_in_room( + room_id, + self.hs.hostname + ) + if not is_host_in_room: + # is *anyone* in the room? + room_member_keys = [ + v for (k, v) in context.current_state.keys() if ( + k == "m.room.member" + ) + ] + if len(room_member_keys) == 0: + # has the room been created so we can join it? + create_event = context.current_state.get(("m.room.create", "")) + if create_event: + is_host_in_room = True + defer.returnValue(is_host_in_room) @defer.inlineCallbacks def get_joined_rooms_for_user(self, user): @@ -583,6 +589,160 @@ class RoomMemberHandler(BaseHandler): suppress_auth=(not do_auth), ) + @defer.inlineCallbacks + def do_3pid_invite( + self, + room_id, + inviter, + medium, + address, + id_server, + token_id, + txn_id + ): + invitee = yield self._lookup_3pid( + id_server, medium, address + ) + + if invitee: + # make sure it looks like a user ID; it'll throw if it's invalid. + UserID.from_string(invitee) + yield self.hs.get_handlers().message_handler.create_and_send_event( + { + "type": EventTypes.Member, + "content": { + "membership": unicode("invite") + }, + "room_id": room_id, + "sender": inviter.to_string(), + "state_key": invitee, + }, + token_id=token_id, + txn_id=txn_id, + ) + else: + yield self._make_and_store_3pid_invite( + id_server, + medium, + address, + room_id, + inviter, + token_id, + txn_id=txn_id + ) + + @defer.inlineCallbacks + def _lookup_3pid(self, id_server, medium, address): + """Looks up a 3pid in the passed identity server. + + Args: + id_server (str): The server name (including port, if required) + of the identity server to use. + medium (str): The type of the third party identifier (e.g. "email"). + address (str): The third party identifier (e.g. "foo@example.com"). + + Returns: + (str) the matrix ID of the 3pid, or None if it is not recognized. + """ + try: + data = yield self.hs.get_simple_http_client().get_json( + "%s%s/_matrix/identity/api/v1/lookup" % (id_server_scheme, id_server,), + { + "medium": medium, + "address": address, + } + ) + + if "mxid" in data: + if "signatures" not in data: + raise AuthError(401, "No signatures on 3pid binding") + self.verify_any_signature(data, id_server) + defer.returnValue(data["mxid"]) + + except IOError as e: + logger.warn("Error from identity server lookup: %s" % (e,)) + defer.returnValue(None) + + @defer.inlineCallbacks + def verify_any_signature(self, data, server_hostname): + if server_hostname not in data["signatures"]: + raise AuthError(401, "No signature from server %s" % (server_hostname,)) + for key_name, signature in data["signatures"][server_hostname].items(): + key_data = yield self.hs.get_simple_http_client().get_json( + "%s%s/_matrix/identity/api/v1/pubkey/%s" % + (id_server_scheme, server_hostname, key_name,), + ) + if "public_key" not in key_data: + raise AuthError(401, "No public key named %s from %s" % + (key_name, server_hostname,)) + verify_signed_json( + data, + server_hostname, + decode_verify_key_bytes(key_name, decode_base64(key_data["public_key"])) + ) + return + + @defer.inlineCallbacks + def _make_and_store_3pid_invite( + self, + id_server, + medium, + address, + room_id, + user, + token_id, + txn_id + ): + token, public_key, key_validity_url, display_name = ( + yield self._ask_id_server_for_third_party_invite( + id_server, + medium, + address, + room_id, + user.to_string() + ) + ) + msg_handler = self.hs.get_handlers().message_handler + yield msg_handler.create_and_send_event( + { + "type": EventTypes.ThirdPartyInvite, + "content": { + "display_name": display_name, + "key_validity_url": key_validity_url, + "public_key": public_key, + }, + "room_id": room_id, + "sender": user.to_string(), + "state_key": token, + }, + token_id=token_id, + txn_id=txn_id, + ) + + @defer.inlineCallbacks + def _ask_id_server_for_third_party_invite( + self, id_server, medium, address, room_id, sender): + is_url = "%s%s/_matrix/identity/api/v1/store-invite" % ( + id_server_scheme, id_server, + ) + data = yield self.hs.get_simple_http_client().post_urlencoded_get_json( + is_url, + { + "medium": medium, + "address": address, + "room_id": room_id, + "sender": sender, + } + ) + # TODO: Check for success + token = data["token"] + public_key = data["public_key"] + display_name = data["display_name"] + key_validity_url = "%s%s/_matrix/identity/api/v1/pubkey/isvalid" % ( + id_server_scheme, id_server, + ) + defer.returnValue((token, public_key, key_validity_url, display_name)) + class RoomListHandler(BaseHandler): @@ -604,12 +764,79 @@ class RoomListHandler(BaseHandler): defer.returnValue({"start": "START", "end": "END", "chunk": chunk}) +class RoomContextHandler(BaseHandler): + @defer.inlineCallbacks + def get_event_context(self, user, room_id, event_id, limit, is_guest): + """Retrieves events, pagination tokens and state around a given event + in a room. + + Args: + user (UserID) + room_id (str) + event_id (str) + limit (int): The maximum number of events to return in total + (excluding state). + + Returns: + dict + """ + before_limit = math.floor(limit/2.) + after_limit = limit - before_limit + + now_token = yield self.hs.get_event_sources().get_current_token() + + results = yield self.store.get_events_around( + room_id, event_id, before_limit, after_limit + ) + + results["events_before"] = yield self._filter_events_for_client( + user.to_string(), + results["events_before"], + is_guest=is_guest, + require_all_visible_for_guests=False + ) + + results["events_after"] = yield self._filter_events_for_client( + user.to_string(), + results["events_after"], + is_guest=is_guest, + require_all_visible_for_guests=False + ) + + if results["events_after"]: + last_event_id = results["events_after"][-1].event_id + else: + last_event_id = event_id + + state = yield self.store.get_state_for_events( + [last_event_id], None + ) + results["state"] = state[last_event_id].values() + + results["start"] = now_token.copy_and_replace( + "room_key", results["start"] + ).to_string() + + results["end"] = now_token.copy_and_replace( + "room_key", results["end"] + ).to_string() + + defer.returnValue(results) + + class RoomEventSource(object): def __init__(self, hs): self.store = hs.get_datastore() @defer.inlineCallbacks - def get_new_events_for_user(self, user, from_key, limit): + def get_new_events( + self, + user, + from_key, + limit, + room_ids, + is_guest, + ): # We just ignore the key for now. to_key = yield self.get_current_key() @@ -629,8 +856,9 @@ class RoomEventSource(object): user_id=user.to_string(), from_key=from_key, to_key=to_key, - room_id=None, limit=limit, + room_ids=room_ids, + is_guest=is_guest, ) defer.returnValue((events, end_key)) @@ -646,7 +874,6 @@ class RoomEventSource(object): to_key=config.to_key, direction=config.direction, limit=config.limit, - with_feedback=True ) defer.returnValue((events, next_key)) diff --git a/synapse/handlers/search.py b/synapse/handlers/search.py new file mode 100644 index 000000000..b7545c111 --- /dev/null +++ b/synapse/handlers/search.py @@ -0,0 +1,319 @@ +# -*- coding: utf-8 -*- +# Copyright 2015 OpenMarket Ltd +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +from twisted.internet import defer + +from ._base import BaseHandler + +from synapse.api.constants import Membership +from synapse.api.filtering import Filter +from synapse.api.errors import SynapseError +from synapse.events.utils import serialize_event + +from unpaddedbase64 import decode_base64, encode_base64 + +import logging + + +logger = logging.getLogger(__name__) + + +class SearchHandler(BaseHandler): + + def __init__(self, hs): + super(SearchHandler, self).__init__(hs) + + @defer.inlineCallbacks + def search(self, user, content, batch=None): + """Performs a full text search for a user. + + Args: + user (UserID) + content (dict): Search parameters + batch (str): The next_batch parameter. Used for pagination. + + Returns: + dict to be returned to the client with results of search + """ + + batch_group = None + batch_group_key = None + batch_token = None + if batch: + try: + b = decode_base64(batch) + batch_group, batch_group_key, batch_token = b.split("\n") + + assert batch_group is not None + assert batch_group_key is not None + assert batch_token is not None + except: + raise SynapseError(400, "Invalid batch") + + try: + room_cat = content["search_categories"]["room_events"] + + # The actual thing to query in FTS + search_term = room_cat["search_term"] + + # Which "keys" to search over in FTS query + keys = room_cat.get("keys", [ + "content.body", "content.name", "content.topic", + ]) + + # Filter to apply to results + filter_dict = room_cat.get("filter", {}) + + # What to order results by (impacts whether pagination can be doen) + order_by = room_cat.get("order_by", "rank") + + # Include context around each event? + event_context = room_cat.get( + "event_context", None + ) + + # Group results together? May allow clients to paginate within a + # group + group_by = room_cat.get("groupings", {}).get("group_by", {}) + group_keys = [g["key"] for g in group_by] + + if event_context is not None: + before_limit = int(event_context.get( + "before_limit", 5 + )) + after_limit = int(event_context.get( + "after_limit", 5 + )) + except KeyError: + raise SynapseError(400, "Invalid search query") + + if order_by not in ("rank", "recent"): + raise SynapseError(400, "Invalid order by: %r" % (order_by,)) + + if set(group_keys) - {"room_id", "sender"}: + raise SynapseError( + 400, + "Invalid group by keys: %r" % (set(group_keys) - {"room_id", "sender"},) + ) + + search_filter = Filter(filter_dict) + + # TODO: Search through left rooms too + rooms = yield self.store.get_rooms_for_user_where_membership_is( + user.to_string(), + membership_list=[Membership.JOIN], + # membership_list=[Membership.JOIN, Membership.LEAVE, Membership.Ban], + ) + room_ids = set(r.room_id for r in rooms) + + room_ids = search_filter.filter_rooms(room_ids) + + if batch_group == "room_id": + room_ids.intersection_update({batch_group_key}) + + rank_map = {} # event_id -> rank of event + allowed_events = [] + room_groups = {} # Holds result of grouping by room, if applicable + sender_group = {} # Holds result of grouping by sender, if applicable + + # Holds the next_batch for the entire result set if one of those exists + global_next_batch = None + + if order_by == "rank": + results = yield self.store.search_msgs( + room_ids, search_term, keys + ) + + results_map = {r["event"].event_id: r for r in results} + + rank_map.update({r["event"].event_id: r["rank"] for r in results}) + + filtered_events = search_filter.filter([r["event"] for r in results]) + + events = yield self._filter_events_for_client( + user.to_string(), filtered_events + ) + + events.sort(key=lambda e: -rank_map[e.event_id]) + allowed_events = events[:search_filter.limit()] + + for e in allowed_events: + rm = room_groups.setdefault(e.room_id, { + "results": [], + "order": rank_map[e.event_id], + }) + rm["results"].append(e.event_id) + + s = sender_group.setdefault(e.sender, { + "results": [], + "order": rank_map[e.event_id], + }) + s["results"].append(e.event_id) + + elif order_by == "recent": + # In this case we specifically loop through each room as the given + # limit applies to each room, rather than a global list. + # This is not necessarilly a good idea. + for room_id in room_ids: + room_events = [] + if batch_group == "room_id" and batch_group_key == room_id: + pagination_token = batch_token + else: + pagination_token = None + i = 0 + + # We keep looping and we keep filtering until we reach the limit + # or we run out of things. + # But only go around 5 times since otherwise synapse will be sad. + while len(room_events) < search_filter.limit() and i < 5: + i += 1 + results = yield self.store.search_room( + room_id, search_term, keys, search_filter.limit() * 2, + pagination_token=pagination_token, + ) + + results_map = {r["event"].event_id: r for r in results} + + rank_map.update({r["event"].event_id: r["rank"] for r in results}) + + filtered_events = search_filter.filter([ + r["event"] for r in results + ]) + + events = yield self._filter_events_for_client( + user.to_string(), filtered_events + ) + + room_events.extend(events) + room_events = room_events[:search_filter.limit()] + + if len(results) < search_filter.limit() * 2: + pagination_token = None + break + else: + pagination_token = results[-1]["pagination_token"] + + if room_events: + res = results_map[room_events[-1].event_id] + pagination_token = res["pagination_token"] + + group = room_groups.setdefault(room_id, {}) + if pagination_token: + next_batch = encode_base64("%s\n%s\n%s" % ( + "room_id", room_id, pagination_token + )) + group["next_batch"] = next_batch + + if batch_token: + global_next_batch = next_batch + + group["results"] = [e.event_id for e in room_events] + group["order"] = max( + e.origin_server_ts/1000 for e in room_events + if hasattr(e, "origin_server_ts") + ) + + allowed_events.extend(room_events) + + # Normalize the group orders + if room_groups: + if len(room_groups) > 1: + mx = max(g["order"] for g in room_groups.values()) + mn = min(g["order"] for g in room_groups.values()) + + for g in room_groups.values(): + g["order"] = (g["order"] - mn) * 1.0 / (mx - mn) + else: + room_groups.values()[0]["order"] = 1 + + else: + # We should never get here due to the guard earlier. + raise NotImplementedError() + + # If client has asked for "context" for each event (i.e. some surrounding + # events and state), fetch that + if event_context is not None: + now_token = yield self.hs.get_event_sources().get_current_token() + + contexts = {} + for event in allowed_events: + res = yield self.store.get_events_around( + event.room_id, event.event_id, before_limit, after_limit + ) + + res["events_before"] = yield self._filter_events_for_client( + user.to_string(), res["events_before"] + ) + + res["events_after"] = yield self._filter_events_for_client( + user.to_string(), res["events_after"] + ) + + res["start"] = now_token.copy_and_replace( + "room_key", res["start"] + ).to_string() + + res["end"] = now_token.copy_and_replace( + "room_key", res["end"] + ).to_string() + + contexts[event.event_id] = res + else: + contexts = {} + + # TODO: Add a limit + + time_now = self.clock.time_msec() + + for context in contexts.values(): + context["events_before"] = [ + serialize_event(e, time_now) + for e in context["events_before"] + ] + context["events_after"] = [ + serialize_event(e, time_now) + for e in context["events_after"] + ] + + results = { + e.event_id: { + "rank": rank_map[e.event_id], + "result": serialize_event(e, time_now), + "context": contexts.get(e.event_id, {}), + } + for e in allowed_events + } + + logger.info("Found %d results", len(results)) + + rooms_cat_res = { + "results": results, + "count": len(results) + } + + if room_groups and "room_id" in group_keys: + rooms_cat_res.setdefault("groups", {})["room_id"] = room_groups + + if sender_group and "sender" in group_keys: + rooms_cat_res.setdefault("groups", {})["sender"] = sender_group + + if global_next_batch: + rooms_cat_res["next_batch"] = global_next_batch + + defer.returnValue({ + "search_categories": { + "room_events": rooms_cat_res + } + }) diff --git a/synapse/handlers/sync.py b/synapse/handlers/sync.py index 353a41605..6dc9d0fb9 100644 --- a/synapse/handlers/sync.py +++ b/synapse/handlers/sync.py @@ -28,23 +28,14 @@ logger = logging.getLogger(__name__) SyncConfig = collections.namedtuple("SyncConfig", [ "user", - "client_info", - "limit", - "gap", - "sort", - "backfill", "filter", ]) -class RoomSyncResult(collections.namedtuple("RoomSyncResult", [ - "room_id", - "limited", - "published", - "events", - "state", +class TimelineBatch(collections.namedtuple("TimelineBatch", [ "prev_batch", - "ephemeral", + "events", + "limited", ])): __slots__ = [] @@ -52,14 +43,66 @@ class RoomSyncResult(collections.namedtuple("RoomSyncResult", [ """Make the result appear empty if there are no updates. This is used to tell if room needs to be part of the sync result. """ - return bool(self.events or self.state or self.ephemeral) + return bool(self.events) + + +class JoinedSyncResult(collections.namedtuple("JoinedSyncResult", [ + "room_id", # str + "timeline", # TimelineBatch + "state", # dict[(str, str), FrozenEvent] + "ephemeral", + "private_user_data", +])): + __slots__ = [] + + def __nonzero__(self): + """Make the result appear empty if there are no updates. This is used + to tell if room needs to be part of the sync result. + """ + return bool( + self.timeline + or self.state + or self.ephemeral + or self.private_user_data + ) + + +class ArchivedSyncResult(collections.namedtuple("JoinedSyncResult", [ + "room_id", # str + "timeline", # TimelineBatch + "state", # dict[(str, str), FrozenEvent] + "private_user_data", +])): + __slots__ = [] + + def __nonzero__(self): + """Make the result appear empty if there are no updates. This is used + to tell if room needs to be part of the sync result. + """ + return bool( + self.timeline + or self.state + or self.private_user_data + ) + + +class InvitedSyncResult(collections.namedtuple("InvitedSyncResult", [ + "room_id", # str + "invite", # FrozenEvent: the invite event +])): + __slots__ = [] + + def __nonzero__(self): + """Invited rooms should always be reported to the client""" + return True class SyncResult(collections.namedtuple("SyncResult", [ "next_batch", # Token for the next sync - "private_user_data", # List of private events for the user. - "public_user_data", # List of public events for all users. - "rooms", # RoomSyncResult for each room. + "presence", # List of presence events for the user. + "joined", # JoinedSyncResult for each joined room. + "invited", # InvitedSyncResult for each invited room. + "archived", # ArchivedSyncResult for each archived room. ])): __slots__ = [] @@ -69,7 +112,7 @@ class SyncResult(collections.namedtuple("SyncResult", [ events. """ return bool( - self.private_user_data or self.public_user_data or self.rooms + self.presence or self.joined or self.invited ) @@ -81,67 +124,58 @@ class SyncHandler(BaseHandler): self.clock = hs.get_clock() @defer.inlineCallbacks - def wait_for_sync_for_user(self, sync_config, since_token=None, timeout=0): + def wait_for_sync_for_user(self, sync_config, since_token=None, timeout=0, + full_state=False): """Get the sync for a client if we have new data for it now. Otherwise wait for new data to arrive on the server. If the timeout expires, then return an empty sync result. Returns: A Deferred SyncResult. """ - if timeout == 0 or since_token is None: - result = yield self.current_sync_for_user(sync_config, since_token) + + if timeout == 0 or since_token is None or full_state: + # we are going to return immediately, so don't bother calling + # notifier.wait_for_events. + result = yield self.current_sync_for_user(sync_config, since_token, + full_state=full_state) defer.returnValue(result) else: def current_sync_callback(before_token, after_token): return self.current_sync_for_user(sync_config, since_token) - rm_handler = self.hs.get_handlers().room_member_handler - - app_service = yield self.store.get_app_service_by_user_id( - sync_config.user.to_string() - ) - if app_service: - rooms = yield self.store.get_app_service_rooms(app_service) - room_ids = set(r.room_id for r in rooms) - else: - room_ids = yield rm_handler.get_joined_rooms_for_user( - sync_config.user - ) - result = yield self.notifier.wait_for_events( - sync_config.user, room_ids, - sync_config.filter, timeout, current_sync_callback + sync_config.user, timeout, current_sync_callback, + from_token=since_token ) defer.returnValue(result) - def current_sync_for_user(self, sync_config, since_token=None): + def current_sync_for_user(self, sync_config, since_token=None, + full_state=False): """Get the sync for client needed to match what the server has now. Returns: A Deferred SyncResult. """ - if since_token is None: - return self.initial_sync(sync_config) + if since_token is None or full_state: + return self.full_state_sync(sync_config, since_token) else: - if sync_config.gap: - return self.incremental_sync_with_gap(sync_config, since_token) - else: - # TODO(mjark): Handle gapless sync - raise NotImplementedError() + return self.incremental_sync_with_gap(sync_config, since_token) @defer.inlineCallbacks - def initial_sync(self, sync_config): - """Get a sync for a client which is starting without any state + def full_state_sync(self, sync_config, timeline_since_token): + """Get a sync for a client which is starting without any state. + + If a 'message_since_token' is given, only timeline events which have + happened since that token will be returned. + Returns: A Deferred SyncResult. """ - if sync_config.sort == "timeline,desc": - # TODO(mjark): Handle going through events in reverse order?. - # What does "most recent events" mean when applying the limits mean - # in this case? - raise NotImplementedError() - now_token = yield self.event_sources.get_current_token() + now_token, ephemeral_by_room = yield self.ephemeral_by_room( + sync_config, now_token + ) + presence_stream = self.event_sources.sources["presence"] # TODO (mjark): This looks wrong, shouldn't we be getting the presence # UP to the present rather than after the present? @@ -153,52 +187,179 @@ class SyncHandler(BaseHandler): ) room_list = yield self.store.get_rooms_for_user_where_membership_is( user_id=sync_config.user.to_string(), - membership_list=[Membership.INVITE, Membership.JOIN] + membership_list=( + Membership.INVITE, + Membership.JOIN, + Membership.LEAVE, + Membership.BAN + ) ) - # TODO (mjark): Does public mean "published"? - published_rooms = yield self.store.get_rooms(is_public=True) - published_room_ids = set(r["room_id"] for r in published_rooms) + tags_by_room = yield self.store.get_tags_for_user( + sync_config.user.to_string() + ) - rooms = [] + joined = [] + invited = [] + archived = [] for event in room_list: - room_sync = yield self.initial_sync_for_room( - event.room_id, sync_config, now_token, published_room_ids - ) - rooms.append(room_sync) + if event.membership == Membership.JOIN: + room_sync = yield self.full_state_sync_for_joined_room( + room_id=event.room_id, + sync_config=sync_config, + now_token=now_token, + timeline_since_token=timeline_since_token, + ephemeral_by_room=ephemeral_by_room, + tags_by_room=tags_by_room, + ) + joined.append(room_sync) + elif event.membership == Membership.INVITE: + invite = yield self.store.get_event(event.event_id) + invited.append(InvitedSyncResult( + room_id=event.room_id, + invite=invite, + )) + elif event.membership in (Membership.LEAVE, Membership.BAN): + leave_token = now_token.copy_and_replace( + "room_key", "s%d" % (event.stream_ordering,) + ) + room_sync = yield self.full_state_sync_for_archived_room( + sync_config=sync_config, + room_id=event.room_id, + leave_event_id=event.event_id, + leave_token=leave_token, + timeline_since_token=timeline_since_token, + tags_by_room=tags_by_room, + ) + archived.append(room_sync) defer.returnValue(SyncResult( - public_user_data=presence, - private_user_data=[], - rooms=rooms, + presence=presence, + joined=joined, + invited=invited, + archived=archived, next_batch=now_token, )) @defer.inlineCallbacks - def initial_sync_for_room(self, room_id, sync_config, now_token, - published_room_ids): + def full_state_sync_for_joined_room(self, room_id, sync_config, + now_token, timeline_since_token, + ephemeral_by_room, tags_by_room): """Sync a room for a client which is starting without any state Returns: - A Deferred RoomSyncResult. + A Deferred JoinedSyncResult. """ - recents, prev_batch_token, limited = yield self.load_filtered_recents( - room_id, sync_config, now_token, + batch = yield self.load_filtered_recents( + room_id, sync_config, now_token, since_token=timeline_since_token ) - current_state = yield self.state_handler.get_current_state( - room_id - ) - current_state_events = current_state.values() + current_state = yield self.get_state_at(room_id, now_token) - defer.returnValue(RoomSyncResult( + defer.returnValue(JoinedSyncResult( room_id=room_id, - published=room_id in published_room_ids, - events=recents, - prev_batch=prev_batch_token, - state=current_state_events, - limited=limited, - ephemeral=[], + timeline=batch, + state=current_state, + ephemeral=ephemeral_by_room.get(room_id, []), + private_user_data=self.private_user_data_for_room( + room_id, tags_by_room + ), + )) + + def private_user_data_for_room(self, room_id, tags_by_room): + private_user_data = [] + tags = tags_by_room.get(room_id) + if tags is not None: + private_user_data.append({ + "type": "m.tag", + "content": {"tags": tags}, + }) + return private_user_data + + @defer.inlineCallbacks + def ephemeral_by_room(self, sync_config, now_token, since_token=None): + """Get the ephemeral events for each room the user is in + Args: + sync_config (SyncConfig): The flags, filters and user for the sync. + now_token (StreamToken): Where the server is currently up to. + since_token (StreamToken): Where the server was when the client + last synced. + Returns: + A tuple of the now StreamToken, updated to reflect the which typing + events are included, and a dict mapping from room_id to a list of + typing events for that room. + """ + + typing_key = since_token.typing_key if since_token else "0" + + rooms = yield self.store.get_rooms_for_user(sync_config.user.to_string()) + room_ids = [room.room_id for room in rooms] + + typing_source = self.event_sources.sources["typing"] + typing, typing_key = yield typing_source.get_new_events( + user=sync_config.user, + from_key=typing_key, + limit=sync_config.filter.ephemeral_limit(), + room_ids=room_ids, + is_guest=False, + ) + now_token = now_token.copy_and_replace("typing_key", typing_key) + + ephemeral_by_room = {} + + for event in typing: + # we want to exclude the room_id from the event, but modifying the + # result returned by the event source is poor form (it might cache + # the object) + room_id = event["room_id"] + event_copy = {k: v for (k, v) in event.iteritems() + if k != "room_id"} + ephemeral_by_room.setdefault(room_id, []).append(event_copy) + + receipt_key = since_token.receipt_key if since_token else "0" + + receipt_source = self.event_sources.sources["receipt"] + receipts, receipt_key = yield receipt_source.get_new_events( + user=sync_config.user, + from_key=receipt_key, + limit=sync_config.filter.ephemeral_limit(), + room_ids=room_ids, + # /sync doesn't support guest access, they can't get to this point in code + is_guest=False, + ) + now_token = now_token.copy_and_replace("receipt_key", receipt_key) + + for event in receipts: + room_id = event["room_id"] + # exclude room id, as above + event_copy = {k: v for (k, v) in event.iteritems() + if k != "room_id"} + ephemeral_by_room.setdefault(room_id, []).append(event_copy) + + defer.returnValue((now_token, ephemeral_by_room)) + + @defer.inlineCallbacks + def full_state_sync_for_archived_room(self, room_id, sync_config, + leave_event_id, leave_token, + timeline_since_token, tags_by_room): + """Sync a room for a client which is starting without any state + Returns: + A Deferred JoinedSyncResult. + """ + + batch = yield self.load_filtered_recents( + room_id, sync_config, leave_token, since_token=timeline_since_token + ) + + leave_state = yield self.store.get_state_for_event(leave_event_id) + + defer.returnValue(ArchivedSyncResult( + room_id=room_id, + timeline=batch, + state=leave_state, + private_user_data=self.private_user_data_for_room( + room_id, tags_by_room + ), )) @defer.inlineCallbacks @@ -208,34 +369,25 @@ class SyncHandler(BaseHandler): Returns: A Deferred SyncResult. """ - if sync_config.sort == "timeline,desc": - # TODO(mjark): Handle going through events in reverse order?. - # What does "most recent events" mean when applying the limits mean - # in this case? - raise NotImplementedError() - now_token = yield self.event_sources.get_current_token() + rooms = yield self.store.get_rooms_for_user(sync_config.user.to_string()) + room_ids = [room.room_id for room in rooms] + presence_source = self.event_sources.sources["presence"] - presence, presence_key = yield presence_source.get_new_events_for_user( + presence, presence_key = yield presence_source.get_new_events( user=sync_config.user, from_key=since_token.presence_key, - limit=sync_config.limit, + limit=sync_config.filter.presence_limit(), + room_ids=room_ids, + # /sync doesn't support guest access, they can't get to this point in code + is_guest=False, ) now_token = now_token.copy_and_replace("presence_key", presence_key) - typing_source = self.event_sources.sources["typing"] - typing, typing_key = yield typing_source.get_new_events_for_user( - user=sync_config.user, - from_key=since_token.typing_key, - limit=sync_config.limit, + now_token, ephemeral_by_room = yield self.ephemeral_by_room( + sync_config, now_token, since_token ) - now_token = now_token.copy_and_replace("typing_key", typing_key) - - typing_by_room = {event["room_id"]: [event] for event in typing} - for event in typing: - event.pop("room_id") - logger.debug("Typing %r", typing_by_room) rm_handler = self.hs.get_handlers().room_member_handler app_service = yield self.store.get_app_service_by_user_id( @@ -243,35 +395,55 @@ class SyncHandler(BaseHandler): ) if app_service: rooms = yield self.store.get_app_service_rooms(app_service) - room_ids = set(r.room_id for r in rooms) + joined_room_ids = set(r.room_id for r in rooms) else: - room_ids = yield rm_handler.get_joined_rooms_for_user( + joined_room_ids = yield rm_handler.get_joined_rooms_for_user( sync_config.user ) - # TODO (mjark): Does public mean "published"? - published_rooms = yield self.store.get_rooms(is_public=True) - published_room_ids = set(r["room_id"] for r in published_rooms) + timeline_limit = sync_config.filter.timeline_limit() room_events, _ = yield self.store.get_room_events_stream( sync_config.user.to_string(), from_key=since_token.room_key, to_key=now_token.room_key, - room_id=None, - limit=sync_config.limit + 1, + limit=timeline_limit + 1, ) - rooms = [] - if len(room_events) <= sync_config.limit: + tags_by_room = yield self.store.get_updated_tags( + sync_config.user.to_string(), + since_token.private_user_data_key, + ) + + joined = [] + archived = [] + if len(room_events) <= timeline_limit: # There is no gap in any of the rooms. Therefore we can just # partition the new events by room and return them. + logger.debug("Got %i events for incremental sync - not limited", + len(room_events)) + + invite_events = [] + leave_events = [] events_by_room_id = {} for event in room_events: events_by_room_id.setdefault(event.room_id, []).append(event) + if event.room_id not in joined_room_ids: + if (event.type == EventTypes.Member + and event.state_key == sync_config.user.to_string()): + if event.membership == Membership.INVITE: + invite_events.append(event) + elif event.membership in (Membership.LEAVE, Membership.BAN): + leave_events.append(event) - for room_id in room_ids: + for room_id in joined_room_ids: recents = events_by_room_id.get(room_id, []) - state = [event for event in recents if event.is_state()] + logger.debug("Events for room %s: %r", room_id, recents) + state = { + (event.type, event.state_key): event + for event in recents if event.is_state()} + limited = False + if recents: prev_batch = now_token.copy_and_replace( "room_key", recents[0].internal_metadata.before @@ -279,95 +451,87 @@ class SyncHandler(BaseHandler): else: prev_batch = now_token - state = yield self.check_joined_room( - sync_config, room_id, state - ) + just_joined = yield self.check_joined_room(sync_config, state) + if just_joined: + logger.debug("User has just joined %s: needs full state", + room_id) + state = yield self.get_state_at(room_id, now_token) + # the timeline is inherently limited if we've just joined + limited = True - room_sync = RoomSyncResult( + room_sync = JoinedSyncResult( room_id=room_id, - published=room_id in published_room_ids, - events=recents, - prev_batch=prev_batch, + timeline=TimelineBatch( + events=recents, + prev_batch=prev_batch, + limited=limited, + ), state=state, - limited=False, - ephemeral=typing_by_room.get(room_id, []) + ephemeral=ephemeral_by_room.get(room_id, []), + private_user_data=self.private_user_data_for_room( + room_id, tags_by_room + ), ) + logger.debug("Result for room %s: %r", room_id, room_sync) + if room_sync: - rooms.append(room_sync) + joined.append(room_sync) + else: - for room_id in room_ids: + logger.debug("Got %i events for incremental sync - hit limit", + len(room_events)) + + invite_events = yield self.store.get_invites_for_user( + sync_config.user.to_string() + ) + + leave_events = yield self.store.get_leave_and_ban_events_for_user( + sync_config.user.to_string() + ) + + for room_id in joined_room_ids: room_sync = yield self.incremental_sync_with_gap_for_room( room_id, sync_config, since_token, now_token, - published_room_ids, typing_by_room + ephemeral_by_room, tags_by_room ) if room_sync: - rooms.append(room_sync) + joined.append(room_sync) + + for leave_event in leave_events: + room_sync = yield self.incremental_sync_for_archived_room( + sync_config, leave_event, since_token, tags_by_room + ) + archived.append(room_sync) + + invited = [ + InvitedSyncResult(room_id=event.room_id, invite=event) + for event in invite_events + ] defer.returnValue(SyncResult( - public_user_data=presence, - private_user_data=[], - rooms=rooms, + presence=presence, + joined=joined, + invited=invited, + archived=archived, next_batch=now_token, )) - @defer.inlineCallbacks - def _filter_events_for_client(self, user_id, room_id, events): - event_id_to_state = yield self.store.get_state_for_events( - room_id, frozenset(e.event_id for e in events), - types=( - (EventTypes.RoomHistoryVisibility, ""), - (EventTypes.Member, user_id), - ) - ) - - def allowed(event, state): - if event.type == EventTypes.RoomHistoryVisibility: - return True - - membership_ev = state.get((EventTypes.Member, user_id), None) - if membership_ev: - membership = membership_ev.membership - else: - membership = Membership.LEAVE - - if membership == Membership.JOIN: - return True - - history = state.get((EventTypes.RoomHistoryVisibility, ''), None) - if history: - visibility = history.content.get("history_visibility", "shared") - else: - visibility = "shared" - - if visibility == "public": - return True - elif visibility == "shared": - return True - elif visibility == "joined": - return membership == Membership.JOIN - elif visibility == "invited": - return membership == Membership.INVITE - - return True - - defer.returnValue([ - event - for event in events - if allowed(event, event_id_to_state[event.event_id]) - ]) - @defer.inlineCallbacks def load_filtered_recents(self, room_id, sync_config, now_token, since_token=None): + """ + :returns a Deferred TimelineBatch + """ limited = True recents = [] filtering_factor = 2 - load_limit = max(sync_config.limit * filtering_factor, 100) + timeline_limit = sync_config.filter.timeline_limit() + load_limit = max(timeline_limit * filtering_factor, 100) max_repeat = 3 # Only try a few times per room, otherwise room_key = now_token.room_key end_key = room_key - while limited and len(recents) < sync_config.limit and max_repeat: + while limited and len(recents) < timeline_limit and max_repeat: events, keys = yield self.store.get_recent_events_for_room( room_id, limit=load_limit + 1, @@ -376,9 +540,9 @@ class SyncHandler(BaseHandler): ) (room_key, _) = keys end_key = "s" + room_key.split('-')[-1] - loaded_recents = sync_config.filter.filter_room_events(events) + loaded_recents = sync_config.filter.filter_room_timeline(events) loaded_recents = yield self._filter_events_for_client( - sync_config.user.to_string(), room_id, loaded_recents, + sync_config.user.to_string(), loaded_recents, ) loaded_recents.extend(recents) recents = loaded_recents @@ -386,64 +550,64 @@ class SyncHandler(BaseHandler): limited = False max_repeat -= 1 - if len(recents) > sync_config.limit: - recents = recents[-sync_config.limit:] + if len(recents) > timeline_limit: + limited = True + recents = recents[-timeline_limit:] room_key = recents[0].internal_metadata.before prev_batch_token = now_token.copy_and_replace( "room_key", room_key ) - defer.returnValue((recents, prev_batch_token, limited)) + defer.returnValue(TimelineBatch( + events=recents, prev_batch=prev_batch_token, limited=limited + )) @defer.inlineCallbacks def incremental_sync_with_gap_for_room(self, room_id, sync_config, since_token, now_token, - published_room_ids, typing_by_room): + ephemeral_by_room, tags_by_room): """ Get the incremental delta needed to bring the client up to date for the room. Gives the client the most recent events and the changes to state. Returns: - A Deferred RoomSyncResult + A Deferred JoinedSyncResult """ + logger.debug("Doing incremental sync for room %s between %s and %s", + room_id, since_token, now_token) # TODO(mjark): Check for redactions we might have missed. - recents, prev_batch_token, limited = yield self.load_filtered_recents( + batch = yield self.load_filtered_recents( room_id, sync_config, now_token, since_token, ) - logging.debug("Recents %r", recents) + logging.debug("Recents %r", batch) - # TODO(mjark): This seems racy since this isn't being passed a - # token to indicate what point in the stream this is - current_state = yield self.state_handler.get_current_state( - room_id - ) - current_state_events = current_state.values() + current_state = yield self.get_state_at(room_id, now_token) - state_at_previous_sync = yield self.get_state_at_previous_sync( - room_id, since_token=since_token + state_at_previous_sync = yield self.get_state_at( + room_id, stream_position=since_token ) - state_events_delta = yield self.compute_state_delta( + state = yield self.compute_state_delta( since_token=since_token, previous_state=state_at_previous_sync, - current_state=current_state_events, + current_state=current_state, ) - state_events_delta = yield self.check_joined_room( - sync_config, room_id, state_events_delta - ) + just_joined = yield self.check_joined_room(sync_config, state) + if just_joined: + state = yield self.get_state_at(room_id, now_token) - room_sync = RoomSyncResult( + room_sync = JoinedSyncResult( room_id=room_id, - published=room_id in published_room_ids, - events=recents, - prev_batch=prev_batch_token, - state=state_events_delta, - limited=limited, - ephemeral=typing_by_room.get(room_id, []) + timeline=batch, + state=state, + ephemeral=ephemeral_by_room.get(room_id, []), + private_user_data=self.private_user_data_for_room( + room_id, tags_by_room + ), ) logging.debug("Room sync: %r", room_sync) @@ -451,58 +615,125 @@ class SyncHandler(BaseHandler): defer.returnValue(room_sync) @defer.inlineCallbacks - def get_state_at_previous_sync(self, room_id, since_token): - """ Get the room state at the previous sync the client made. + def incremental_sync_for_archived_room(self, sync_config, leave_event, + since_token, tags_by_room): + """ Get the incremental delta needed to bring the client up to date for + the archived room. Returns: - A Deferred list of Events. + A Deferred ArchivedSyncResult + """ + + stream_token = yield self.store.get_stream_token_for_event( + leave_event.event_id + ) + + leave_token = since_token.copy_and_replace("room_key", stream_token) + + batch = yield self.load_filtered_recents( + leave_event.room_id, sync_config, leave_token, since_token, + ) + + logging.debug("Recents %r", batch) + + state_events_at_leave = yield self.store.get_state_for_event( + leave_event.event_id + ) + + state_at_previous_sync = yield self.get_state_at( + leave_event.room_id, stream_position=since_token + ) + + state_events_delta = yield self.compute_state_delta( + since_token=since_token, + previous_state=state_at_previous_sync, + current_state=state_events_at_leave, + ) + + room_sync = ArchivedSyncResult( + room_id=leave_event.room_id, + timeline=batch, + state=state_events_delta, + private_user_data=self.private_user_data_for_room( + leave_event.room_id, tags_by_room + ), + ) + + logging.debug("Room sync: %r", room_sync) + + defer.returnValue(room_sync) + + @defer.inlineCallbacks + def get_state_after_event(self, event): + """ + Get the room state after the given event + + :param synapse.events.EventBase event: event of interest + :return: A Deferred map from ((type, state_key)->Event) + """ + state = yield self.store.get_state_for_event(event.event_id) + if event.is_state(): + state = state.copy() + state[(event.type, event.state_key)] = event + defer.returnValue(state) + + @defer.inlineCallbacks + def get_state_at(self, room_id, stream_position): + """ Get the room state at a particular stream position + :param str room_id: room for which to get state + :param StreamToken stream_position: point at which to get state + :returns: A Deferred map from ((type, state_key)->Event) """ last_events, token = yield self.store.get_recent_events_for_room( - room_id, end_token=since_token.room_key, limit=1, + room_id, end_token=stream_position.room_key, limit=1, ) if last_events: - last_event = last_events[0] - last_context = yield self.state_handler.compute_event_context( - last_event - ) - if last_event.is_state(): - state = [last_event] + last_context.current_state.values() - else: - state = last_context.current_state.values() + last_event = last_events[-1] + state = yield self.get_state_after_event(last_event) + else: - state = () + # no events in this room - so presumably no state + state = {} defer.returnValue(state) def compute_state_delta(self, since_token, previous_state, current_state): """ Works out the differnce in state between the current state and the state the client got when it last performed a sync. - Returns: - A list of events. + + :param str since_token: the point we are comparing against + :param dict[(str,str), synapse.events.FrozenEvent] previous_state: the + state to compare to + :param dict[(str,str), synapse.events.FrozenEvent] current_state: the + new state + + :returns A new event dictionary """ # TODO(mjark) Check if the state events were received by the server # after the previous sync, since we need to include those state # updates even if they occured logically before the previous event. # TODO(mjark) Check for new redactions in the state events. - previous_dict = {event.event_id: event for event in previous_state} - state_delta = [] - for event in current_state: - if event.event_id not in previous_dict: - state_delta.append(event) + + state_delta = {} + for key, event in current_state.iteritems(): + if (key not in previous_state or + previous_state[key].event_id != event.event_id): + state_delta[key] = event return state_delta - @defer.inlineCallbacks - def check_joined_room(self, sync_config, room_id, state_delta): - joined = False - for event in state_delta: - if ( - event.type == EventTypes.Member - and event.state_key == sync_config.user.to_string() - ): - if event.content["membership"] == Membership.JOIN: - joined = True + def check_joined_room(self, sync_config, state_delta): + """ + Check if the user has just joined the given room (so should + be given the full state) - if joined: - res = yield self.state_handler.get_current_state(room_id) - state_delta = res.values() + :param sync_config: + :param dict[(str,str), synapse.events.FrozenEvent] state_delta: the + difference in state since the last sync - defer.returnValue(state_delta) + :returns A deferred Tuple (state_delta, limited) + """ + join_event = state_delta.get(( + EventTypes.Member, sync_config.user.to_string()), None) + if join_event is not None: + if join_event.content["membership"] == Membership.JOIN: + return True + return False diff --git a/synapse/handlers/typing.py b/synapse/handlers/typing.py index d7096aab8..2846f3e6e 100644 --- a/synapse/handlers/typing.py +++ b/synapse/handlers/typing.py @@ -246,17 +246,12 @@ class TypingNotificationEventSource(object): }, } - @defer.inlineCallbacks - def get_new_events_for_user(self, user, from_key, limit): + def get_new_events(self, from_key, room_ids, **kwargs): from_key = int(from_key) handler = self.handler() - joined_room_ids = ( - yield self.room_member_handler().get_joined_rooms_for_user(user) - ) - events = [] - for room_id in joined_room_ids: + for room_id in room_ids: if room_id not in handler._room_serials: continue if handler._room_serials[room_id] <= from_key: @@ -264,7 +259,7 @@ class TypingNotificationEventSource(object): events.append(self._make_event_for(room_id)) - defer.returnValue((events, handler._latest_room_serial)) + return events, handler._latest_room_serial def get_current_key(self): return self.handler()._latest_room_serial diff --git a/synapse/http/client.py b/synapse/http/client.py index 49737d55d..27e519022 100644 --- a/synapse/http/client.py +++ b/synapse/http/client.py @@ -12,16 +12,18 @@ # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. +from OpenSSL import SSL +from OpenSSL.SSL import VERIFY_NONE from synapse.api.errors import CodeMessageException from synapse.util.logcontext import preserve_context_over_fn -from syutil.jsonutil import encode_canonical_json import synapse.metrics -from twisted.internet import defer, reactor +from canonicaljson import encode_canonical_json + +from twisted.internet import defer, reactor, ssl from twisted.web.client import ( Agent, readBody, FileBodyProducer, PartialDownloadError, - HTTPConnectionPool, ) from twisted.web.http_headers import Headers @@ -56,10 +58,14 @@ class SimpleHttpClient(object): # The default context factory in Twisted 14.0.0 (which we require) is # BrowserLikePolicyForHTTPS which will do regular cert validation # 'like a browser' - pool = HTTPConnectionPool(reactor) - pool.maxPersistentPerHost = 10 - self.agent = Agent(reactor, pool=pool) - self.version_string = hs.version_string + self.agent = Agent( + reactor, + connectTimeout=15, + contextFactory=hs.get_http_client_context_factory() + ) + self.user_agent = hs.version_string + if hs.config.user_agent_suffix: + self.user_agent = "%s %s" % (self.user_agent, hs.config.user_agent_suffix,) def request(self, method, uri, *args, **kwargs): # A small wrapper around self.agent.request() so we can easily attach @@ -104,7 +110,7 @@ class SimpleHttpClient(object): uri.encode("ascii"), headers=Headers({ b"Content-Type": [b"application/x-www-form-urlencoded"], - b"User-Agent": [self.version_string], + b"User-Agent": [self.user_agent], }), bodyProducer=FileBodyProducer(StringIO(query_bytes)) ) @@ -123,7 +129,8 @@ class SimpleHttpClient(object): "POST", uri.encode("ascii"), headers=Headers({ - "Content-Type": ["application/json"] + b"Content-Type": [b"application/json"], + b"User-Agent": [self.user_agent], }), bodyProducer=FileBodyProducer(StringIO(json_str)) ) @@ -149,27 +156,8 @@ class SimpleHttpClient(object): On a non-2xx HTTP response. The response body will be used as the error message. """ - if len(args): - query_bytes = urllib.urlencode(args, True) - uri = "%s?%s" % (uri, query_bytes) - - response = yield self.request( - "GET", - uri.encode("ascii"), - headers=Headers({ - b"User-Agent": [self.version_string], - }) - ) - - body = yield preserve_context_over_fn(readBody, response) - - if 200 <= response.code < 300: - defer.returnValue(json.loads(body)) - else: - # NB: This is explicitly not json.loads(body)'d because the contract - # of CodeMessageException is a *string* message. Callers can always - # load it into JSON if they want. - raise CodeMessageException(response.code, body) + body = yield self.get_raw(uri, args) + defer.returnValue(json.loads(body)) @defer.inlineCallbacks def put_json(self, uri, json_body, args={}): @@ -198,7 +186,7 @@ class SimpleHttpClient(object): "PUT", uri.encode("ascii"), headers=Headers({ - b"User-Agent": [self.version_string], + b"User-Agent": [self.user_agent], "Content-Type": ["application/json"] }), bodyProducer=FileBodyProducer(StringIO(json_str)) @@ -214,6 +202,42 @@ class SimpleHttpClient(object): # load it into JSON if they want. raise CodeMessageException(response.code, body) + @defer.inlineCallbacks + def get_raw(self, uri, args={}): + """ Gets raw text from the given URI. + + Args: + uri (str): The URI to request, not including query parameters + args (dict): A dictionary used to create query strings, defaults to + None. + **Note**: The value of each key is assumed to be an iterable + and *not* a string. + Returns: + Deferred: Succeeds when we get *any* 2xx HTTP response, with the + HTTP body at text. + Raises: + On a non-2xx HTTP response. The response body will be used as the + error message. + """ + if len(args): + query_bytes = urllib.urlencode(args, True) + uri = "%s?%s" % (uri, query_bytes) + + response = yield self.request( + "GET", + uri.encode("ascii"), + headers=Headers({ + b"User-Agent": [self.user_agent], + }) + ) + + body = yield preserve_context_over_fn(readBody, response) + + if 200 <= response.code < 300: + defer.returnValue(body) + else: + raise CodeMessageException(response.code, body) + class CaptchaServerHttpClient(SimpleHttpClient): """ @@ -233,7 +257,7 @@ class CaptchaServerHttpClient(SimpleHttpClient): bodyProducer=FileBodyProducer(StringIO(query_bytes)), headers=Headers({ b"Content-Type": [b"application/x-www-form-urlencoded"], - b"User-Agent": [self.version_string], + b"User-Agent": [self.user_agent], }) ) @@ -251,3 +275,18 @@ def _print_ex(e): _print_ex(ex) else: logger.exception(e) + + +class InsecureInterceptableContextFactory(ssl.ContextFactory): + """ + Factory for PyOpenSSL SSL contexts which accepts any certificate for any domain. + + Do not use this since it allows an attacker to intercept your communications. + """ + + def __init__(self): + self._context = SSL.Context(SSL.SSLv23_METHOD) + self._context.set_verify(VERIFY_NONE, lambda *_: None) + + def getContext(self, hostname, port): + return self._context diff --git a/synapse/http/matrixfederationclient.py b/synapse/http/matrixfederationclient.py index 854e17a47..ca9591556 100644 --- a/synapse/http/matrixfederationclient.py +++ b/synapse/http/matrixfederationclient.py @@ -25,16 +25,17 @@ from synapse.util.async import sleep from synapse.util.logcontext import preserve_context_over_fn import synapse.metrics -from syutil.jsonutil import encode_canonical_json +from canonicaljson import encode_canonical_json from synapse.api.errors import ( SynapseError, Codes, HttpResponseException, ) -from syutil.crypto.jsonsign import sign_json +from signedjson.sign import sign_json import simplejson as json import logging +import random import sys import urllib import urlparse @@ -55,16 +56,19 @@ incoming_responses_counter = metrics.register_counter( ) +MAX_RETRIES = 10 + + class MatrixFederationEndpointFactory(object): def __init__(self, hs): - self.tls_context_factory = hs.tls_context_factory + self.tls_server_context_factory = hs.tls_server_context_factory def endpointForURI(self, uri): destination = uri.netloc return matrix_federation_endpoint( reactor, destination, timeout=10, - ssl_context_factory=self.tls_context_factory + ssl_context_factory=self.tls_server_context_factory ) @@ -119,7 +123,7 @@ class MatrixFederationHttpClient(object): # XXX: Would be much nicer to retry only at the transaction-layer # (once we have reliable transactions in place) - retries_left = 5 + retries_left = MAX_RETRIES http_url_bytes = urlparse.urlunparse( ("", "", path_bytes, param_bytes, query_bytes, "") @@ -180,7 +184,10 @@ class MatrixFederationHttpClient(object): ) if retries_left and not timeout: - yield sleep(2 ** (5 - retries_left)) + delay = 4 ** (MAX_RETRIES + 1 - retries_left) + delay = max(delay, 60) + delay *= random.uniform(0.8, 1.4) + yield sleep(delay) retries_left -= 1 else: raise diff --git a/synapse/http/server.py b/synapse/http/server.py index b60e905a6..50feea6f1 100644 --- a/synapse/http/server.py +++ b/synapse/http/server.py @@ -21,8 +21,8 @@ from synapse.util.logcontext import LoggingContext, PreserveLoggingContext import synapse.metrics import synapse.events -from syutil.jsonutil import ( - encode_canonical_json, encode_pretty_printed_json, encode_json +from canonicaljson import ( + encode_canonical_json, encode_pretty_printed_json ) from twisted.internet import defer @@ -33,6 +33,7 @@ from twisted.web.util import redirectTo import collections import logging import urllib +import ujson logger = logging.getLogger(__name__) @@ -270,12 +271,11 @@ def respond_with_json(request, code, json_object, send_cors=False, if pretty_print: json_bytes = encode_pretty_printed_json(json_object) + "\n" else: - if canonical_json: + if canonical_json or synapse.events.USE_FROZEN_DICTS: json_bytes = encode_canonical_json(json_object) else: - json_bytes = encode_json( - json_object, using_frozen_dicts=synapse.events.USE_FROZEN_DICTS - ) + # ujson doesn't like frozen_dicts. + json_bytes = ujson.dumps(json_object, ensure_ascii=False) return respond_with_json_bytes( request, code, json_bytes, diff --git a/synapse/metrics/__init__.py b/synapse/metrics/__init__.py index d7bcad8a8..943d63745 100644 --- a/synapse/metrics/__init__.py +++ b/synapse/metrics/__init__.py @@ -17,7 +17,7 @@ from __future__ import absolute_import import logging -from resource import getrusage, getpagesize, RUSAGE_SELF +from resource import getrusage, RUSAGE_SELF import functools import os import stat @@ -100,7 +100,6 @@ def render_all(): # process resource usage rusage = None -PAGE_SIZE = getpagesize() def update_resource_metrics(): @@ -113,8 +112,8 @@ resource_metrics = get_metrics_for("process.resource") resource_metrics.register_callback("utime", lambda: rusage.ru_utime * 1000) resource_metrics.register_callback("stime", lambda: rusage.ru_stime * 1000) -# pages -resource_metrics.register_callback("maxrss", lambda: rusage.ru_maxrss * PAGE_SIZE) +# kilobytes +resource_metrics.register_callback("maxrss", lambda: rusage.ru_maxrss * 1024) TYPES = { stat.S_IFSOCK: "SOCK", @@ -131,6 +130,10 @@ def _process_fds(): counts = {(k,): 0 for k in TYPES.values()} counts[("other",)] = 0 + # Not every OS will have a /proc/self/fd directory + if not os.path.exists("/proc/self/fd"): + return counts + for fd in os.listdir("/proc/self/fd"): try: s = os.stat("/proc/self/fd/%s" % (fd)) diff --git a/synapse/notifier.py b/synapse/notifier.py index f998fc83b..e3b42e233 100644 --- a/synapse/notifier.py +++ b/synapse/notifier.py @@ -14,6 +14,8 @@ # limitations under the License. from twisted.internet import defer +from synapse.api.constants import EventTypes +from synapse.api.errors import AuthError from synapse.util.logutils import log_function from synapse.util.async import run_on_reactor, ObservableDeferred @@ -269,8 +271,8 @@ class Notifier(object): logger.exception("Failed to notify listener") @defer.inlineCallbacks - def wait_for_events(self, user, rooms, timeout, callback, - from_token=StreamToken("s0", "0", "0", "0")): + def wait_for_events(self, user, timeout, callback, room_ids=None, + from_token=StreamToken("s0", "0", "0", "0", "0")): """Wait until the callback returns a non empty response or the timeout fires. """ @@ -279,11 +281,12 @@ class Notifier(object): if user_stream is None: appservice = yield self.store.get_app_service_by_user_id(user) current_token = yield self.event_sources.get_current_token() - rooms = yield self.store.get_rooms_for_user(user) - rooms = [room.room_id for room in rooms] + if room_ids is None: + rooms = yield self.store.get_rooms_for_user(user) + room_ids = [room.room_id for room in rooms] user_stream = _NotifierUserStream( user=user, - rooms=rooms, + rooms=room_ids, appservice=appservice, current_token=current_token, time_now_ms=self.clock.time_msec(), @@ -328,8 +331,9 @@ class Notifier(object): defer.returnValue(result) @defer.inlineCallbacks - def get_events_for(self, user, rooms, pagination_config, timeout, - only_room_events=False): + def get_events_for(self, user, pagination_config, timeout, + only_room_events=False, + is_guest=False, guest_room_id=None): """ For the given user and rooms, return any new events for them. If there are no new events wait for up to `timeout` milliseconds for any new events to happen before returning. @@ -342,6 +346,16 @@ class Notifier(object): limit = pagination_config.limit + room_ids = [] + if is_guest: + if guest_room_id: + if not self._is_world_readable(guest_room_id): + raise AuthError(403, "Guest access not allowed") + room_ids = [guest_room_id] + else: + rooms = yield self.store.get_rooms_for_user(user.to_string()) + room_ids = [room.room_id for room in rooms] + @defer.inlineCallbacks def check_for_updates(before_token, after_token): if not after_token.is_after(before_token): @@ -349,6 +363,7 @@ class Notifier(object): events = [] end_token = from_token + for name, source in self.event_sources.sources.items(): keyname = "%s_key" % name before_id = getattr(before_token, keyname) @@ -357,9 +372,23 @@ class Notifier(object): continue if only_room_events and name != "room": continue - new_events, new_key = yield source.get_new_events_for_user( - user, getattr(from_token, keyname), limit, + new_events, new_key = yield source.get_new_events( + user=user, + from_key=getattr(from_token, keyname), + limit=limit, + is_guest=is_guest, + room_ids=room_ids, ) + + if name == "room": + room_member_handler = self.hs.get_handlers().room_member_handler + new_events = yield room_member_handler._filter_events_for_client( + user.to_string(), + new_events, + is_guest=is_guest, + require_all_visible_for_guests=False + ) + events.extend(new_events) end_token = end_token.copy_and_replace(keyname, new_key) @@ -369,7 +398,7 @@ class Notifier(object): defer.returnValue(None) result = yield self.wait_for_events( - user, rooms, timeout, check_for_updates, from_token=from_token + user, timeout, check_for_updates, room_ids=room_ids, from_token=from_token ) if result is None: @@ -377,6 +406,17 @@ class Notifier(object): defer.returnValue(result) + @defer.inlineCallbacks + def _is_world_readable(self, room_id): + state = yield self.hs.get_state_handler().get_current_state( + room_id, + EventTypes.RoomHistoryVisibility + ) + if state and "history_visibility" in state.content: + defer.returnValue(state.content["history_visibility"] == "world_readable") + else: + defer.returnValue(False) + @log_function def remove_expired_streams(self): time_now_ms = self.clock.time_msec() diff --git a/synapse/push/__init__.py b/synapse/push/__init__.py index f1952b5a0..0e0c61dec 100644 --- a/synapse/push/__init__.py +++ b/synapse/push/__init__.py @@ -186,7 +186,7 @@ class Pusher(object): if not display_name: return False return re.search( - "\b%s\b" % re.escape(display_name), ev['content']['body'], + r"\b%s\b" % re.escape(display_name), ev['content']['body'], flags=re.IGNORECASE ) is not None diff --git a/synapse/python_dependencies.py b/synapse/python_dependencies.py index d7e3a686f..e95316720 100644 --- a/synapse/python_dependencies.py +++ b/synapse/python_dependencies.py @@ -18,21 +18,24 @@ from distutils.version import LooseVersion logger = logging.getLogger(__name__) REQUIREMENTS = { - "syutil>=0.0.7": ["syutil>=0.0.7"], - "Twisted>=15.1.0": ["twisted>=15.1.0"], + "frozendict>=0.4": ["frozendict"], + "unpaddedbase64>=1.0.1": ["unpaddedbase64>=1.0.1"], + "canonicaljson>=1.0.0": ["canonicaljson>=1.0.0"], + "signedjson>=1.0.0": ["signedjson>=1.0.0"], + "pynacl>=0.3.0": ["nacl>=0.3.0", "nacl.bindings"], "service_identity>=1.0.0": ["service_identity>=1.0.0"], + "Twisted>=15.1.0": ["twisted>=15.1.0"], "pyopenssl>=0.14": ["OpenSSL>=0.14"], "pyyaml": ["yaml"], "pyasn1": ["pyasn1"], - "pynacl>=0.0.3": ["nacl>=0.0.3"], "daemonize": ["daemonize"], "py-bcrypt": ["bcrypt"], - "frozendict>=0.4": ["frozendict"], "pillow": ["PIL"], "pydenticon": ["pydenticon"], "ujson": ["ujson"], "blist": ["blist"], "pysaml2": ["saml2"], + "pymacaroons-pynacl": ["pymacaroons"], } CONDITIONAL_REQUIREMENTS = { "web_client": { @@ -53,21 +56,14 @@ def github_link(project, version, egg): return "https://github.com/%s/tarball/%s/#egg=%s" % (project, version, egg) DEPENDENCY_LINKS = { - "syutil": github_link( - project="matrix-org/syutil", - version="v0.0.7", - egg="syutil-0.0.7", - ), - "matrix-angular-sdk": github_link( - project="matrix-org/matrix-angular-sdk", - version="v0.6.6", - egg="matrix_angular_sdk-0.6.6", - ), } class MissingRequirementError(Exception): - pass + def __init__(self, message, module_name, dependency): + super(MissingRequirementError, self).__init__(message) + self.module_name = module_name + self.dependency = dependency def check_requirements(config=None): @@ -95,7 +91,7 @@ def check_requirements(config=None): ) raise MissingRequirementError( "Can't import %r which is part of %r" - % (module_name, dependency) + % (module_name, dependency), module_name, dependency ) version = getattr(module, "__version__", None) file_path = getattr(module, "__file__", None) @@ -108,23 +104,25 @@ def check_requirements(config=None): if version is None: raise MissingRequirementError( "Version of %r isn't set as __version__ of module %r" - % (dependency, module_name) + % (dependency, module_name), module_name, dependency ) if LooseVersion(version) < LooseVersion(required_version): raise MissingRequirementError( "Version of %r in %r is too old. %r < %r" - % (dependency, file_path, version, required_version) + % (dependency, file_path, version, required_version), + module_name, dependency ) elif version_test == "==": if version is None: raise MissingRequirementError( "Version of %r isn't set as __version__ of module %r" - % (dependency, module_name) + % (dependency, module_name), module_name, dependency ) if LooseVersion(version) != LooseVersion(required_version): raise MissingRequirementError( "Unexpected version of %r in %r. %r != %r" - % (dependency, file_path, version, required_version) + % (dependency, file_path, version, required_version), + module_name, dependency ) diff --git a/synapse/rest/client/v1/admin.py b/synapse/rest/client/v1/admin.py index 2ce754b02..bdde43864 100644 --- a/synapse/rest/client/v1/admin.py +++ b/synapse/rest/client/v1/admin.py @@ -31,7 +31,7 @@ class WhoisRestServlet(ClientV1RestServlet): @defer.inlineCallbacks def on_GET(self, request, user_id): target_user = UserID.from_string(user_id) - auth_user, client = yield self.auth.get_user_by_req(request) + auth_user, _, _ = yield self.auth.get_user_by_req(request) is_admin = yield self.auth.is_server_admin(auth_user) if not is_admin and target_user != auth_user: diff --git a/synapse/rest/client/v1/directory.py b/synapse/rest/client/v1/directory.py index 6758a888b..240eedac7 100644 --- a/synapse/rest/client/v1/directory.py +++ b/synapse/rest/client/v1/directory.py @@ -69,7 +69,7 @@ class ClientDirectoryServer(ClientV1RestServlet): try: # try to auth as a user - user, client = yield self.auth.get_user_by_req(request) + user, _, _ = yield self.auth.get_user_by_req(request) try: user_id = user.to_string() yield dir_handler.create_association( @@ -116,7 +116,7 @@ class ClientDirectoryServer(ClientV1RestServlet): # fallback to default user behaviour if they aren't an AS pass - user, client = yield self.auth.get_user_by_req(request) + user, _, _ = yield self.auth.get_user_by_req(request) is_admin = yield self.auth.is_server_admin(user) if not is_admin: diff --git a/synapse/rest/client/v1/events.py b/synapse/rest/client/v1/events.py index 77b7c25a0..3e1750d1a 100644 --- a/synapse/rest/client/v1/events.py +++ b/synapse/rest/client/v1/events.py @@ -34,7 +34,15 @@ class EventStreamRestServlet(ClientV1RestServlet): @defer.inlineCallbacks def on_GET(self, request): - auth_user, client = yield self.auth.get_user_by_req(request) + auth_user, _, is_guest = yield self.auth.get_user_by_req( + request, + allow_guest=True + ) + room_id = None + if is_guest: + if "room_id" not in request.args: + raise SynapseError(400, "Guest users must specify room_id param") + room_id = request.args["room_id"][0] try: handler = self.handlers.event_stream_handler pagin_config = PaginationConfig.from_request(request) @@ -49,7 +57,8 @@ class EventStreamRestServlet(ClientV1RestServlet): chunk = yield handler.get_stream( auth_user.to_string(), pagin_config, timeout=timeout, - as_client_event=as_client_event + as_client_event=as_client_event, affect_presence=(not is_guest), + room_id=room_id, is_guest=is_guest ) except: logger.exception("Event stream failed") @@ -71,7 +80,7 @@ class EventRestServlet(ClientV1RestServlet): @defer.inlineCallbacks def on_GET(self, request, event_id): - auth_user, client = yield self.auth.get_user_by_req(request) + auth_user, _, _ = yield self.auth.get_user_by_req(request) handler = self.handlers.event_handler event = yield handler.get_event(auth_user, event_id) diff --git a/synapse/rest/client/v1/initial_sync.py b/synapse/rest/client/v1/initial_sync.py index 4a259bba6..856a70f29 100644 --- a/synapse/rest/client/v1/initial_sync.py +++ b/synapse/rest/client/v1/initial_sync.py @@ -25,16 +25,16 @@ class InitialSyncRestServlet(ClientV1RestServlet): @defer.inlineCallbacks def on_GET(self, request): - user, client = yield self.auth.get_user_by_req(request) - with_feedback = "feedback" in request.args + user, _, _ = yield self.auth.get_user_by_req(request) as_client_event = "raw" not in request.args pagination_config = PaginationConfig.from_request(request) handler = self.handlers.message_handler + include_archived = request.args.get("archived", None) == ["true"] content = yield handler.snapshot_all_rooms( user_id=user.to_string(), pagin_config=pagination_config, - feedback=with_feedback, - as_client_event=as_client_event + as_client_event=as_client_event, + include_archived=include_archived, ) defer.returnValue((200, content)) diff --git a/synapse/rest/client/v1/login.py b/synapse/rest/client/v1/login.py index 2444f2736..0171f6c01 100644 --- a/synapse/rest/client/v1/login.py +++ b/synapse/rest/client/v1/login.py @@ -15,18 +15,22 @@ from twisted.internet import defer -from synapse.api.errors import SynapseError +from synapse.api.errors import SynapseError, LoginError, Codes +from synapse.http.client import SimpleHttpClient from synapse.types import UserID from base import ClientV1RestServlet, client_path_pattern import simplejson as json import urllib +import urlparse import logging from saml2 import BINDING_HTTP_POST from saml2 import config from saml2.client import Saml2Client +import xml.etree.ElementTree as ET + logger = logging.getLogger(__name__) @@ -35,16 +39,28 @@ class LoginRestServlet(ClientV1RestServlet): PATTERN = client_path_pattern("/login$") PASS_TYPE = "m.login.password" SAML2_TYPE = "m.login.saml2" + CAS_TYPE = "m.login.cas" + TOKEN_TYPE = "m.login.token" def __init__(self, hs): super(LoginRestServlet, self).__init__(hs) self.idp_redirect_url = hs.config.saml2_idp_redirect_url + self.password_enabled = hs.config.password_enabled self.saml2_enabled = hs.config.saml2_enabled + self.cas_enabled = hs.config.cas_enabled + self.cas_server_url = hs.config.cas_server_url + self.cas_required_attributes = hs.config.cas_required_attributes + self.servername = hs.config.server_name def on_GET(self, request): - flows = [{"type": LoginRestServlet.PASS_TYPE}] + flows = [] if self.saml2_enabled: flows.append({"type": LoginRestServlet.SAML2_TYPE}) + if self.cas_enabled: + flows.append({"type": LoginRestServlet.CAS_TYPE}) + if self.password_enabled: + flows.append({"type": LoginRestServlet.PASS_TYPE}) + flows.append({"type": LoginRestServlet.TOKEN_TYPE}) return (200, {"flows": flows}) def on_OPTIONS(self, request): @@ -55,6 +71,9 @@ class LoginRestServlet(ClientV1RestServlet): login_submission = _parse_json(request) try: if login_submission["type"] == LoginRestServlet.PASS_TYPE: + if not self.password_enabled: + raise SynapseError(400, "Password login has been disabled.") + result = yield self.do_password_login(login_submission) defer.returnValue(result) elif self.saml2_enabled and (login_submission["type"] == @@ -67,6 +86,23 @@ class LoginRestServlet(ClientV1RestServlet): "uri": "%s%s" % (self.idp_redirect_url, relay_state) } defer.returnValue((200, result)) + # TODO Delete this after all CAS clients switch to token login instead + elif self.cas_enabled and (login_submission["type"] == + LoginRestServlet.CAS_TYPE): + # TODO: get this from the homeserver rather than creating a new one for + # each request + http_client = SimpleHttpClient(self.hs) + uri = "%s/proxyValidate" % (self.cas_server_url,) + args = { + "ticket": login_submission["ticket"], + "service": login_submission["service"] + } + body = yield http_client.get_raw(uri, args) + result = yield self.do_cas_login(body) + defer.returnValue(result) + elif login_submission["type"] == LoginRestServlet.TOKEN_TYPE: + result = yield self.do_token_login(login_submission) + defer.returnValue(result) else: raise SynapseError(400, "Bad login type.") except KeyError: @@ -78,6 +114,8 @@ class LoginRestServlet(ClientV1RestServlet): user_id = yield self.hs.get_datastore().get_user_id_by_threepid( login_submission['medium'], login_submission['address'] ) + if not user_id: + raise LoginError(403, "", errcode=Codes.FORBIDDEN) else: user_id = login_submission['user'] @@ -86,47 +124,108 @@ class LoginRestServlet(ClientV1RestServlet): user_id, self.hs.hostname ).to_string() - user_id, token = yield self.handlers.auth_handler.login_with_password( + auth_handler = self.handlers.auth_handler + user_id, access_token, refresh_token = yield auth_handler.login_with_password( user_id=user_id, password=login_submission["password"]) result = { "user_id": user_id, # may have changed - "access_token": token, + "access_token": access_token, + "refresh_token": refresh_token, "home_server": self.hs.hostname, } defer.returnValue((200, result)) - -class LoginFallbackRestServlet(ClientV1RestServlet): - PATTERN = client_path_pattern("/login/fallback$") - - def on_GET(self, request): - # TODO(kegan): This should be returning some HTML which is capable of - # hitting LoginRestServlet - return (200, {}) - - -class PasswordResetRestServlet(ClientV1RestServlet): - PATTERN = client_path_pattern("/login/reset") - @defer.inlineCallbacks - def on_POST(self, request): - reset_info = _parse_json(request) - try: - email = reset_info["email"] - user_id = reset_info["user_id"] - handler = self.handlers.login_handler - yield handler.reset_password(user_id, email) - # purposefully give no feedback to avoid people hammering different - # combinations. - defer.returnValue((200, {})) - except KeyError: - raise SynapseError( - 400, - "Missing keys. Requires 'email' and 'user_id'." + def do_token_login(self, login_submission): + token = login_submission['token'] + auth_handler = self.handlers.auth_handler + user_id = ( + yield auth_handler.validate_short_term_login_token_and_get_user_id(token) + ) + user_id, access_token, refresh_token = ( + yield auth_handler.get_login_tuple_for_user_id(user_id) + ) + result = { + "user_id": user_id, # may have changed + "access_token": access_token, + "refresh_token": refresh_token, + "home_server": self.hs.hostname, + } + + defer.returnValue((200, result)) + + # TODO Delete this after all CAS clients switch to token login instead + @defer.inlineCallbacks + def do_cas_login(self, cas_response_body): + user, attributes = self.parse_cas_response(cas_response_body) + + for required_attribute, required_value in self.cas_required_attributes.items(): + # If required attribute was not in CAS Response - Forbidden + if required_attribute not in attributes: + raise LoginError(401, "Unauthorized", errcode=Codes.UNAUTHORIZED) + + # Also need to check value + if required_value is not None: + actual_value = attributes[required_attribute] + # If required attribute value does not match expected - Forbidden + if required_value != actual_value: + raise LoginError(401, "Unauthorized", errcode=Codes.UNAUTHORIZED) + + user_id = UserID.create(user, self.hs.hostname).to_string() + auth_handler = self.handlers.auth_handler + user_exists = yield auth_handler.does_user_exist(user_id) + if user_exists: + user_id, access_token, refresh_token = ( + yield auth_handler.get_login_tuple_for_user_id(user_id) ) + result = { + "user_id": user_id, # may have changed + "access_token": access_token, + "refresh_token": refresh_token, + "home_server": self.hs.hostname, + } + + else: + user_id, access_token = ( + yield self.handlers.registration_handler.register(localpart=user) + ) + result = { + "user_id": user_id, # may have changed + "access_token": access_token, + "home_server": self.hs.hostname, + } + + defer.returnValue((200, result)) + + # TODO Delete this after all CAS clients switch to token login instead + def parse_cas_response(self, cas_response_body): + root = ET.fromstring(cas_response_body) + if not root.tag.endswith("serviceResponse"): + raise LoginError(401, "Invalid CAS response", errcode=Codes.UNAUTHORIZED) + if not root[0].tag.endswith("authenticationSuccess"): + raise LoginError(401, "Unsuccessful CAS response", errcode=Codes.UNAUTHORIZED) + for child in root[0]: + if child.tag.endswith("user"): + user = child.text + if child.tag.endswith("attributes"): + attributes = {} + for attribute in child: + # ElementTree library expands the namespace in attribute tags + # to the full URL of the namespace. + # See (https://docs.python.org/2/library/xml.etree.elementtree.html) + # We don't care about namespace here and it will always be encased in + # curly braces, so we remove them. + if "}" in attribute.tag: + attributes[attribute.tag.split("}")[1]] = attribute.text + else: + attributes[attribute.tag] = attribute.text + if user is None or attributes is None: + raise LoginError(401, "Invalid CAS response", errcode=Codes.UNAUTHORIZED) + + return (user, attributes) class SAML2RestServlet(ClientV1RestServlet): @@ -172,6 +271,127 @@ class SAML2RestServlet(ClientV1RestServlet): defer.returnValue((200, {"status": "not_authenticated"})) +# TODO Delete this after all CAS clients switch to token login instead +class CasRestServlet(ClientV1RestServlet): + PATTERN = client_path_pattern("/login/cas") + + def __init__(self, hs): + super(CasRestServlet, self).__init__(hs) + self.cas_server_url = hs.config.cas_server_url + + def on_GET(self, request): + return (200, {"serverUrl": self.cas_server_url}) + + +class CasRedirectServlet(ClientV1RestServlet): + PATTERN = client_path_pattern("/login/cas/redirect") + + def __init__(self, hs): + super(CasRedirectServlet, self).__init__(hs) + self.cas_server_url = hs.config.cas_server_url + self.cas_service_url = hs.config.cas_service_url + + def on_GET(self, request): + args = request.args + if "redirectUrl" not in args: + return (400, "Redirect URL not specified for CAS auth") + client_redirect_url_param = urllib.urlencode({ + "redirectUrl": args["redirectUrl"][0] + }) + hs_redirect_url = self.cas_service_url + "/_matrix/client/api/v1/login/cas/ticket" + service_param = urllib.urlencode({ + "service": "%s?%s" % (hs_redirect_url, client_redirect_url_param) + }) + request.redirect("%s?%s" % (self.cas_server_url, service_param)) + request.finish() + + +class CasTicketServlet(ClientV1RestServlet): + PATTERN = client_path_pattern("/login/cas/ticket") + + def __init__(self, hs): + super(CasTicketServlet, self).__init__(hs) + self.cas_server_url = hs.config.cas_server_url + self.cas_service_url = hs.config.cas_service_url + self.cas_required_attributes = hs.config.cas_required_attributes + + @defer.inlineCallbacks + def on_GET(self, request): + client_redirect_url = request.args["redirectUrl"][0] + http_client = self.hs.get_simple_http_client() + uri = self.cas_server_url + "/proxyValidate" + args = { + "ticket": request.args["ticket"], + "service": self.cas_service_url + } + body = yield http_client.get_raw(uri, args) + result = yield self.handle_cas_response(request, body, client_redirect_url) + defer.returnValue(result) + + @defer.inlineCallbacks + def handle_cas_response(self, request, cas_response_body, client_redirect_url): + user, attributes = self.parse_cas_response(cas_response_body) + + for required_attribute, required_value in self.cas_required_attributes.items(): + # If required attribute was not in CAS Response - Forbidden + if required_attribute not in attributes: + raise LoginError(401, "Unauthorized", errcode=Codes.UNAUTHORIZED) + + # Also need to check value + if required_value is not None: + actual_value = attributes[required_attribute] + # If required attribute value does not match expected - Forbidden + if required_value != actual_value: + raise LoginError(401, "Unauthorized", errcode=Codes.UNAUTHORIZED) + + user_id = UserID.create(user, self.hs.hostname).to_string() + auth_handler = self.handlers.auth_handler + user_exists = yield auth_handler.does_user_exist(user_id) + if not user_exists: + user_id, _ = ( + yield self.handlers.registration_handler.register(localpart=user) + ) + + login_token = auth_handler.generate_short_term_login_token(user_id) + redirect_url = self.add_login_token_to_redirect_url(client_redirect_url, + login_token) + request.redirect(redirect_url) + request.finish() + + def add_login_token_to_redirect_url(self, url, token): + url_parts = list(urlparse.urlparse(url)) + query = dict(urlparse.parse_qsl(url_parts[4])) + query.update({"loginToken": token}) + url_parts[4] = urllib.urlencode(query) + return urlparse.urlunparse(url_parts) + + def parse_cas_response(self, cas_response_body): + root = ET.fromstring(cas_response_body) + if not root.tag.endswith("serviceResponse"): + raise LoginError(401, "Invalid CAS response", errcode=Codes.UNAUTHORIZED) + if not root[0].tag.endswith("authenticationSuccess"): + raise LoginError(401, "Unsuccessful CAS response", errcode=Codes.UNAUTHORIZED) + for child in root[0]: + if child.tag.endswith("user"): + user = child.text + if child.tag.endswith("attributes"): + attributes = {} + for attribute in child: + # ElementTree library expands the namespace in attribute tags + # to the full URL of the namespace. + # See (https://docs.python.org/2/library/xml.etree.elementtree.html) + # We don't care about namespace here and it will always be encased in + # curly braces, so we remove them. + if "}" in attribute.tag: + attributes[attribute.tag.split("}")[1]] = attribute.text + else: + attributes[attribute.tag] = attribute.text + if user is None or attributes is None: + raise LoginError(401, "Invalid CAS response", errcode=Codes.UNAUTHORIZED) + + return (user, attributes) + + def _parse_json(request): try: content = json.loads(request.content.read()) @@ -186,4 +406,8 @@ def register_servlets(hs, http_server): LoginRestServlet(hs).register(http_server) if hs.config.saml2_enabled: SAML2RestServlet(hs).register(http_server) + if hs.config.cas_enabled: + CasRedirectServlet(hs).register(http_server) + CasTicketServlet(hs).register(http_server) + CasRestServlet(hs).register(http_server) # TODO PasswordResetRestServlet(hs).register(http_server) diff --git a/synapse/rest/client/v1/presence.py b/synapse/rest/client/v1/presence.py index 78d4f2b12..6fe5d19a2 100644 --- a/synapse/rest/client/v1/presence.py +++ b/synapse/rest/client/v1/presence.py @@ -32,7 +32,7 @@ class PresenceStatusRestServlet(ClientV1RestServlet): @defer.inlineCallbacks def on_GET(self, request, user_id): - auth_user, client = yield self.auth.get_user_by_req(request) + auth_user, _, _ = yield self.auth.get_user_by_req(request) user = UserID.from_string(user_id) state = yield self.handlers.presence_handler.get_state( @@ -42,7 +42,7 @@ class PresenceStatusRestServlet(ClientV1RestServlet): @defer.inlineCallbacks def on_PUT(self, request, user_id): - auth_user, client = yield self.auth.get_user_by_req(request) + auth_user, _, _ = yield self.auth.get_user_by_req(request) user = UserID.from_string(user_id) state = {} @@ -77,7 +77,7 @@ class PresenceListRestServlet(ClientV1RestServlet): @defer.inlineCallbacks def on_GET(self, request, user_id): - auth_user, client = yield self.auth.get_user_by_req(request) + auth_user, _, _ = yield self.auth.get_user_by_req(request) user = UserID.from_string(user_id) if not self.hs.is_mine(user): @@ -97,7 +97,7 @@ class PresenceListRestServlet(ClientV1RestServlet): @defer.inlineCallbacks def on_POST(self, request, user_id): - auth_user, client = yield self.auth.get_user_by_req(request) + auth_user, _, _ = yield self.auth.get_user_by_req(request) user = UserID.from_string(user_id) if not self.hs.is_mine(user): diff --git a/synapse/rest/client/v1/profile.py b/synapse/rest/client/v1/profile.py index 1e77eb49c..3218e4702 100644 --- a/synapse/rest/client/v1/profile.py +++ b/synapse/rest/client/v1/profile.py @@ -37,7 +37,7 @@ class ProfileDisplaynameRestServlet(ClientV1RestServlet): @defer.inlineCallbacks def on_PUT(self, request, user_id): - auth_user, client = yield self.auth.get_user_by_req(request) + auth_user, _, _ = yield self.auth.get_user_by_req(request, allow_guest=True) user = UserID.from_string(user_id) try: @@ -70,7 +70,7 @@ class ProfileAvatarURLRestServlet(ClientV1RestServlet): @defer.inlineCallbacks def on_PUT(self, request, user_id): - auth_user, client = yield self.auth.get_user_by_req(request) + auth_user, _, _ = yield self.auth.get_user_by_req(request) user = UserID.from_string(user_id) try: diff --git a/synapse/rest/client/v1/push_rule.py b/synapse/rest/client/v1/push_rule.py index bd759a258..b0870db1a 100644 --- a/synapse/rest/client/v1/push_rule.py +++ b/synapse/rest/client/v1/push_rule.py @@ -43,7 +43,7 @@ class PushRuleRestServlet(ClientV1RestServlet): except InvalidRuleException as e: raise SynapseError(400, e.message) - user, _ = yield self.auth.get_user_by_req(request) + user, _, _ = yield self.auth.get_user_by_req(request) if '/' in spec['rule_id'] or '\\' in spec['rule_id']: raise SynapseError(400, "rule_id may not contain slashes") @@ -92,7 +92,7 @@ class PushRuleRestServlet(ClientV1RestServlet): def on_DELETE(self, request): spec = _rule_spec_from_path(request.postpath) - user, _ = yield self.auth.get_user_by_req(request) + user, _, _ = yield self.auth.get_user_by_req(request) namespaced_rule_id = _namespaced_rule_id_from_spec(spec) @@ -109,7 +109,7 @@ class PushRuleRestServlet(ClientV1RestServlet): @defer.inlineCallbacks def on_GET(self, request): - user, _ = yield self.auth.get_user_by_req(request) + user, _, _ = yield self.auth.get_user_by_req(request) # we build up the full structure and then decide which bits of it # to send which means doing unnecessary work sometimes but is diff --git a/synapse/rest/client/v1/pusher.py b/synapse/rest/client/v1/pusher.py index c83287c02..a110c0a4f 100644 --- a/synapse/rest/client/v1/pusher.py +++ b/synapse/rest/client/v1/pusher.py @@ -27,7 +27,7 @@ class PusherRestServlet(ClientV1RestServlet): @defer.inlineCallbacks def on_POST(self, request): - user, client = yield self.auth.get_user_by_req(request) + user, token_id, _ = yield self.auth.get_user_by_req(request) content = _parse_json(request) @@ -65,7 +65,7 @@ class PusherRestServlet(ClientV1RestServlet): try: yield pusher_pool.add_pusher( user_name=user.to_string(), - access_token=client.token_id, + access_token=token_id, profile_tag=content['profile_tag'], kind=content['kind'], app_id=content['app_id'], diff --git a/synapse/rest/client/v1/room.py b/synapse/rest/client/v1/room.py index b4a70cba9..139dac1cc 100644 --- a/synapse/rest/client/v1/room.py +++ b/synapse/rest/client/v1/room.py @@ -17,7 +17,7 @@ from twisted.internet import defer from base import ClientV1RestServlet, client_path_pattern -from synapse.api.errors import SynapseError, Codes +from synapse.api.errors import SynapseError, Codes, AuthError from synapse.streams.config import PaginationConfig from synapse.api.constants import EventTypes, Membership from synapse.types import UserID, RoomID, RoomAlias @@ -27,7 +27,6 @@ import simplejson as json import logging import urllib - logger = logging.getLogger(__name__) @@ -62,7 +61,7 @@ class RoomCreateRestServlet(ClientV1RestServlet): @defer.inlineCallbacks def on_POST(self, request): - auth_user, client = yield self.auth.get_user_by_req(request) + auth_user, _, _ = yield self.auth.get_user_by_req(request) room_config = self.get_room_config(request) info = yield self.make_room(room_config, auth_user, None) @@ -125,7 +124,7 @@ class RoomStateEventRestServlet(ClientV1RestServlet): @defer.inlineCallbacks def on_GET(self, request, room_id, event_type, state_key): - user, client = yield self.auth.get_user_by_req(request) + user, _, is_guest = yield self.auth.get_user_by_req(request, allow_guest=True) msg_handler = self.handlers.message_handler data = yield msg_handler.get_room_data( @@ -133,6 +132,7 @@ class RoomStateEventRestServlet(ClientV1RestServlet): room_id=room_id, event_type=event_type, state_key=state_key, + is_guest=is_guest, ) if not data: @@ -143,7 +143,7 @@ class RoomStateEventRestServlet(ClientV1RestServlet): @defer.inlineCallbacks def on_PUT(self, request, room_id, event_type, state_key, txn_id=None): - user, client = yield self.auth.get_user_by_req(request) + user, token_id, _ = yield self.auth.get_user_by_req(request) content = _parse_json(request) @@ -159,7 +159,7 @@ class RoomStateEventRestServlet(ClientV1RestServlet): msg_handler = self.handlers.message_handler yield msg_handler.create_and_send_event( - event_dict, client=client, txn_id=txn_id, + event_dict, token_id=token_id, txn_id=txn_id, ) defer.returnValue((200, {})) @@ -175,7 +175,7 @@ class RoomSendEventRestServlet(ClientV1RestServlet): @defer.inlineCallbacks def on_POST(self, request, room_id, event_type, txn_id=None): - user, client = yield self.auth.get_user_by_req(request) + user, token_id, _ = yield self.auth.get_user_by_req(request, allow_guest=True) content = _parse_json(request) msg_handler = self.handlers.message_handler @@ -186,7 +186,7 @@ class RoomSendEventRestServlet(ClientV1RestServlet): "room_id": room_id, "sender": user.to_string(), }, - client=client, + token_id=token_id, txn_id=txn_id, ) @@ -220,7 +220,10 @@ class JoinRoomAliasServlet(ClientV1RestServlet): @defer.inlineCallbacks def on_POST(self, request, room_identifier, txn_id=None): - user, client = yield self.auth.get_user_by_req(request) + user, token_id, is_guest = yield self.auth.get_user_by_req( + request, + allow_guest=True + ) # the identifier could be a room alias or a room id. Try one then the # other if it fails to parse, without swallowing other valid @@ -242,16 +245,20 @@ class JoinRoomAliasServlet(ClientV1RestServlet): defer.returnValue((200, ret_dict)) else: # room id msg_handler = self.handlers.message_handler + content = {"membership": Membership.JOIN} + if is_guest: + content["kind"] = "guest" yield msg_handler.create_and_send_event( { "type": EventTypes.Member, - "content": {"membership": Membership.JOIN}, + "content": content, "room_id": identifier.to_string(), "sender": user.to_string(), "state_key": user.to_string(), }, - client=client, + token_id=token_id, txn_id=txn_id, + is_guest=is_guest, ) defer.returnValue((200, {"room_id": identifier.to_string()})) @@ -289,13 +296,19 @@ class RoomMemberListRestServlet(ClientV1RestServlet): @defer.inlineCallbacks def on_GET(self, request, room_id): # TODO support Pagination stream API (limit/tokens) - user, client = yield self.auth.get_user_by_req(request) - handler = self.handlers.room_member_handler - members = yield handler.get_room_members_as_pagination_chunk( + user, _, _ = yield self.auth.get_user_by_req(request) + handler = self.handlers.message_handler + events = yield handler.get_state_events( room_id=room_id, - user_id=user.to_string()) + user_id=user.to_string(), + ) - for event in members["chunk"]: + chunk = [] + + for event in events: + if event["type"] != EventTypes.Member: + continue + chunk.append(event) # FIXME: should probably be state_key here, not user_id target_user = UserID.from_string(event["user_id"]) # Presence is an optional cache; don't fail if we can't fetch it @@ -308,27 +321,28 @@ class RoomMemberListRestServlet(ClientV1RestServlet): except: pass - defer.returnValue((200, members)) + defer.returnValue((200, { + "chunk": chunk + })) -# TODO: Needs unit testing +# TODO: Needs better unit testing class RoomMessageListRestServlet(ClientV1RestServlet): PATTERN = client_path_pattern("/rooms/(?P[^/]*)/messages$") @defer.inlineCallbacks def on_GET(self, request, room_id): - user, client = yield self.auth.get_user_by_req(request) + user, _, is_guest = yield self.auth.get_user_by_req(request, allow_guest=True) pagination_config = PaginationConfig.from_request( request, default_limit=10, ) - with_feedback = "feedback" in request.args as_client_event = "raw" not in request.args handler = self.handlers.message_handler msgs = yield handler.get_messages( room_id=room_id, user_id=user.to_string(), + is_guest=is_guest, pagin_config=pagination_config, - feedback=with_feedback, as_client_event=as_client_event ) @@ -341,12 +355,13 @@ class RoomStateRestServlet(ClientV1RestServlet): @defer.inlineCallbacks def on_GET(self, request, room_id): - user, client = yield self.auth.get_user_by_req(request) + user, _, is_guest = yield self.auth.get_user_by_req(request, allow_guest=True) handler = self.handlers.message_handler # Get all the current state for this room events = yield handler.get_state_events( room_id=room_id, user_id=user.to_string(), + is_guest=is_guest, ) defer.returnValue((200, events)) @@ -357,12 +372,13 @@ class RoomInitialSyncRestServlet(ClientV1RestServlet): @defer.inlineCallbacks def on_GET(self, request, room_id): - user, client = yield self.auth.get_user_by_req(request) + user, _, is_guest = yield self.auth.get_user_by_req(request, allow_guest=True) pagination_config = PaginationConfig.from_request(request) content = yield self.handlers.message_handler.room_initial_sync( room_id=room_id, user_id=user.to_string(), pagin_config=pagination_config, + is_guest=is_guest, ) defer.returnValue((200, content)) @@ -391,6 +407,41 @@ class RoomTriggerBackfill(ClientV1RestServlet): defer.returnValue((200, res)) +class RoomEventContext(ClientV1RestServlet): + PATTERN = client_path_pattern( + "/rooms/(?P[^/]*)/context/(?P[^/]*)$" + ) + + def __init__(self, hs): + super(RoomEventContext, self).__init__(hs) + self.clock = hs.get_clock() + + @defer.inlineCallbacks + def on_GET(self, request, room_id, event_id): + user, _, is_guest = yield self.auth.get_user_by_req(request, allow_guest=True) + + limit = int(request.args.get("limit", [10])[0]) + + results = yield self.handlers.room_context_handler.get_event_context( + user, room_id, event_id, limit, is_guest + ) + + time_now = self.clock.time_msec() + results["events_before"] = [ + serialize_event(event, time_now) for event in results["events_before"] + ] + results["events_after"] = [ + serialize_event(event, time_now) for event in results["events_after"] + ] + results["state"] = [ + serialize_event(event, time_now) for event in results["state"] + ] + + logger.info("Responding with %r", results) + + defer.returnValue((200, results)) + + # TODO: Needs unit testing class RoomMembershipRestServlet(ClientV1RestServlet): @@ -402,16 +453,37 @@ class RoomMembershipRestServlet(ClientV1RestServlet): @defer.inlineCallbacks def on_POST(self, request, room_id, membership_action, txn_id=None): - user, client = yield self.auth.get_user_by_req(request) + user, token_id, is_guest = yield self.auth.get_user_by_req( + request, + allow_guest=True + ) + + if is_guest and membership_action not in {Membership.JOIN, Membership.LEAVE}: + raise AuthError(403, "Guest access not allowed") content = _parse_json(request) # target user is you unless it is an invite state_key = user.to_string() - if membership_action in ["invite", "ban", "kick"]: - if "user_id" not in content: + + if membership_action == "invite" and self._has_3pid_invite_keys(content): + yield self.handlers.room_member_handler.do_3pid_invite( + room_id, + user, + content["medium"], + content["address"], + content["id_server"], + token_id, + txn_id + ) + defer.returnValue((200, {})) + return + elif membership_action in ["invite", "ban", "kick"]: + if "user_id" in content: + state_key = content["user_id"] + else: raise SynapseError(400, "Missing user_id key.") - state_key = content["user_id"] + # make sure it looks like a user ID; it'll throw if it's invalid. UserID.from_string(state_key) @@ -419,20 +491,32 @@ class RoomMembershipRestServlet(ClientV1RestServlet): membership_action = "leave" msg_handler = self.handlers.message_handler + + content = {"membership": unicode(membership_action)} + if is_guest: + content["kind"] = "guest" + yield msg_handler.create_and_send_event( { "type": EventTypes.Member, - "content": {"membership": unicode(membership_action)}, + "content": content, "room_id": room_id, "sender": user.to_string(), "state_key": state_key, }, - client=client, + token_id=token_id, txn_id=txn_id, + is_guest=is_guest, ) defer.returnValue((200, {})) + def _has_3pid_invite_keys(self, content): + for key in {"id_server", "medium", "address"}: + if key not in content: + return False + return True + @defer.inlineCallbacks def on_PUT(self, request, room_id, membership_action, txn_id): try: @@ -457,7 +541,7 @@ class RoomRedactEventRestServlet(ClientV1RestServlet): @defer.inlineCallbacks def on_POST(self, request, room_id, event_id, txn_id=None): - user, client = yield self.auth.get_user_by_req(request) + user, token_id, _ = yield self.auth.get_user_by_req(request) content = _parse_json(request) msg_handler = self.handlers.message_handler @@ -469,7 +553,7 @@ class RoomRedactEventRestServlet(ClientV1RestServlet): "sender": user.to_string(), "redacts": event_id, }, - client=client, + token_id=token_id, txn_id=txn_id, ) @@ -497,7 +581,7 @@ class RoomTypingRestServlet(ClientV1RestServlet): @defer.inlineCallbacks def on_PUT(self, request, room_id, user_id): - auth_user, client = yield self.auth.get_user_by_req(request) + auth_user, _, _ = yield self.auth.get_user_by_req(request) room_id = urllib.unquote(room_id) target_user = UserID.from_string(urllib.unquote(user_id)) @@ -523,6 +607,23 @@ class RoomTypingRestServlet(ClientV1RestServlet): defer.returnValue((200, {})) +class SearchRestServlet(ClientV1RestServlet): + PATTERN = client_path_pattern( + "/search$" + ) + + @defer.inlineCallbacks + def on_POST(self, request): + auth_user, _, _ = yield self.auth.get_user_by_req(request) + + content = _parse_json(request) + + batch = request.args.get("next_batch", [None])[0] + results = yield self.handlers.search_handler.search(auth_user, content, batch) + + defer.returnValue((200, results)) + + def _parse_json(request): try: content = json.loads(request.content.read()) @@ -579,3 +680,5 @@ def register_servlets(hs, http_server): RoomInitialSyncRestServlet(hs).register(http_server) RoomRedactEventRestServlet(hs).register(http_server) RoomTypingRestServlet(hs).register(http_server) + SearchRestServlet(hs).register(http_server) + RoomEventContext(hs).register(http_server) diff --git a/synapse/rest/client/v1/voip.py b/synapse/rest/client/v1/voip.py index 11d08fbce..eb7c57cad 100644 --- a/synapse/rest/client/v1/voip.py +++ b/synapse/rest/client/v1/voip.py @@ -28,7 +28,7 @@ class VoipRestServlet(ClientV1RestServlet): @defer.inlineCallbacks def on_GET(self, request): - auth_user, client = yield self.auth.get_user_by_req(request) + auth_user, _, _ = yield self.auth.get_user_by_req(request) turnUris = self.hs.config.turn_uris turnSecret = self.hs.config.turn_shared_secret @@ -40,7 +40,7 @@ class VoipRestServlet(ClientV1RestServlet): username = "%d:%s" % (expiry, auth_user.to_string()) mac = hmac.new(turnSecret, msg=username, digestmod=hashlib.sha1) - # We need to use standard base64 encoding here, *not* syutil's + # We need to use standard padded base64 encoding here # encode_base64 because we need to add the standard padding to get the # same result as the TURN server. password = base64.b64encode(mac.digest()) diff --git a/synapse/rest/client/v2_alpha/__init__.py b/synapse/rest/client/v2_alpha/__init__.py index 33f961e89..a10813234 100644 --- a/synapse/rest/client/v2_alpha/__init__.py +++ b/synapse/rest/client/v2_alpha/__init__.py @@ -21,6 +21,8 @@ from . import ( auth, receipts, keys, + tokenrefresh, + tags, ) from synapse.http.server import JsonResource @@ -42,3 +44,5 @@ class ClientV2AlphaRestResource(JsonResource): auth.register_servlets(hs, client_resource) receipts.register_servlets(hs, client_resource) keys.register_servlets(hs, client_resource) + tokenrefresh.register_servlets(hs, client_resource) + tags.register_servlets(hs, client_resource) diff --git a/synapse/rest/client/v2_alpha/account.py b/synapse/rest/client/v2_alpha/account.py index 6281e2d02..1970ad345 100644 --- a/synapse/rest/client/v2_alpha/account.py +++ b/synapse/rest/client/v2_alpha/account.py @@ -55,7 +55,7 @@ class PasswordRestServlet(RestServlet): if LoginType.PASSWORD in result: # if using password, they should also be logged in - auth_user, client = yield self.auth.get_user_by_req(request) + auth_user, _, _ = yield self.auth.get_user_by_req(request) if auth_user.to_string() != result[LoginType.PASSWORD]: raise LoginError(400, "", Codes.UNKNOWN) user_id = auth_user.to_string() @@ -102,7 +102,7 @@ class ThreepidRestServlet(RestServlet): def on_GET(self, request): yield run_on_reactor() - auth_user, _ = yield self.auth.get_user_by_req(request) + auth_user, _, _ = yield self.auth.get_user_by_req(request) threepids = yield self.hs.get_datastore().user_get_threepids( auth_user.to_string() @@ -120,7 +120,7 @@ class ThreepidRestServlet(RestServlet): raise SynapseError(400, "Missing param", Codes.MISSING_PARAM) threePidCreds = body['threePidCreds'] - auth_user, client = yield self.auth.get_user_by_req(request) + auth_user, _, _ = yield self.auth.get_user_by_req(request) threepid = yield self.identity_handler.threepid_from_creds(threePidCreds) diff --git a/synapse/rest/client/v2_alpha/filter.py b/synapse/rest/client/v2_alpha/filter.py index 703250cea..97956a4b9 100644 --- a/synapse/rest/client/v2_alpha/filter.py +++ b/synapse/rest/client/v2_alpha/filter.py @@ -40,7 +40,7 @@ class GetFilterRestServlet(RestServlet): @defer.inlineCallbacks def on_GET(self, request, user_id, filter_id): target_user = UserID.from_string(user_id) - auth_user, client = yield self.auth.get_user_by_req(request) + auth_user, _, _ = yield self.auth.get_user_by_req(request) if target_user != auth_user: raise AuthError(403, "Cannot get filters for other users") @@ -76,7 +76,7 @@ class CreateFilterRestServlet(RestServlet): @defer.inlineCallbacks def on_POST(self, request, user_id): target_user = UserID.from_string(user_id) - auth_user, client = yield self.auth.get_user_by_req(request) + auth_user, _, _ = yield self.auth.get_user_by_req(request) if target_user != auth_user: raise AuthError(403, "Cannot create filters for other users") diff --git a/synapse/rest/client/v2_alpha/keys.py b/synapse/rest/client/v2_alpha/keys.py index 718928eed..820d33336 100644 --- a/synapse/rest/client/v2_alpha/keys.py +++ b/synapse/rest/client/v2_alpha/keys.py @@ -18,7 +18,8 @@ from twisted.internet import defer from synapse.api.errors import SynapseError from synapse.http.servlet import RestServlet from synapse.types import UserID -from syutil.jsonutil import encode_canonical_json + +from canonicaljson import encode_canonical_json from ._base import client_v2_pattern @@ -63,7 +64,7 @@ class KeyUploadServlet(RestServlet): @defer.inlineCallbacks def on_POST(self, request, device_id): - auth_user, client_info = yield self.auth.get_user_by_req(request) + auth_user, _, _ = yield self.auth.get_user_by_req(request) user_id = auth_user.to_string() # TODO: Check that the device_id matches that in the authentication # or derive the device_id from the authentication instead. @@ -108,7 +109,7 @@ class KeyUploadServlet(RestServlet): @defer.inlineCallbacks def on_GET(self, request, device_id): - auth_user, client_info = yield self.auth.get_user_by_req(request) + auth_user, _, _ = yield self.auth.get_user_by_req(request) user_id = auth_user.to_string() result = yield self.store.count_e2e_one_time_keys(user_id, device_id) @@ -180,7 +181,7 @@ class KeyQueryServlet(RestServlet): @defer.inlineCallbacks def on_GET(self, request, user_id, device_id): - auth_user, client_info = yield self.auth.get_user_by_req(request) + auth_user, _, _ = yield self.auth.get_user_by_req(request) auth_user_id = auth_user.to_string() user_id = user_id if user_id else auth_user_id device_ids = [device_id] if device_id else [] diff --git a/synapse/rest/client/v2_alpha/receipts.py b/synapse/rest/client/v2_alpha/receipts.py index 40406e2ed..788acd4ad 100644 --- a/synapse/rest/client/v2_alpha/receipts.py +++ b/synapse/rest/client/v2_alpha/receipts.py @@ -15,6 +15,7 @@ from twisted.internet import defer +from synapse.api.errors import SynapseError from synapse.http.servlet import RestServlet from ._base import client_v2_pattern @@ -39,7 +40,10 @@ class ReceiptRestServlet(RestServlet): @defer.inlineCallbacks def on_POST(self, request, room_id, receipt_type, event_id): - user, client = yield self.auth.get_user_by_req(request) + user, _, _ = yield self.auth.get_user_by_req(request) + + if receipt_type != "m.read": + raise SynapseError(400, "Receipt type must be 'm.read'") yield self.receipts_handler.received_client_receipt( room_id, diff --git a/synapse/rest/client/v2_alpha/register.py b/synapse/rest/client/v2_alpha/register.py index 1ba2f2971..f89937631 100644 --- a/synapse/rest/client/v2_alpha/register.py +++ b/synapse/rest/client/v2_alpha/register.py @@ -16,7 +16,7 @@ from twisted.internet import defer from synapse.api.constants import LoginType -from synapse.api.errors import SynapseError, Codes +from synapse.api.errors import SynapseError, Codes, UnrecognizedRequestError from synapse.http.servlet import RestServlet from ._base import client_v2_pattern, parse_json_dict_from_request @@ -55,6 +55,19 @@ class RegisterRestServlet(RestServlet): def on_POST(self, request): yield run_on_reactor() + kind = "user" + if "kind" in request.args: + kind = request.args["kind"][0] + + if kind == "guest": + ret = yield self._do_guest_registration() + defer.returnValue(ret) + return + elif kind != "user": + raise UnrecognizedRequestError( + "Do not understand membership kind: %s" % (kind,) + ) + if '/register/email/requestToken' in request.path: ret = yield self.onEmailTokenRequest(request) defer.returnValue(ret) @@ -236,6 +249,18 @@ class RegisterRestServlet(RestServlet): ret = yield self.identity_handler.requestEmailToken(**body) defer.returnValue((200, ret)) + @defer.inlineCallbacks + def _do_guest_registration(self): + if not self.hs.config.allow_guest_access: + defer.returnValue((403, "Guest access is disabled")) + user_id, _ = yield self.registration_handler.register(generate_token=False) + access_token = self.auth_handler.generate_access_token(user_id, ["guest = true"]) + defer.returnValue((200, { + "user_id": user_id, + "access_token": access_token, + "home_server": self.hs.hostname, + })) + def register_servlets(hs, http_server): RegisterRestServlet(hs).register(http_server) diff --git a/synapse/rest/client/v2_alpha/sync.py b/synapse/rest/client/v2_alpha/sync.py index f2fd0b9f3..efd828155 100644 --- a/synapse/rest/client/v2_alpha/sync.py +++ b/synapse/rest/client/v2_alpha/sync.py @@ -20,12 +20,14 @@ from synapse.http.servlet import ( ) from synapse.handlers.sync import SyncConfig from synapse.types import StreamToken +from synapse.events import FrozenEvent from synapse.events.utils import ( serialize_event, format_event_for_client_v2_without_event_id, ) -from synapse.api.filtering import Filter +from synapse.api.filtering import FilterCollection from ._base import client_v2_pattern +import copy import logging logger = logging.getLogger(__name__) @@ -36,100 +38,77 @@ class SyncRestServlet(RestServlet): GET parameters:: timeout(int): How long to wait for new events in milliseconds. - limit(int): Maxiumum number of events per room to return. - gap(bool): Create gaps the message history if limit is exceeded to - ensure that the client has the most recent messages. Defaults to - "true". - sort(str,str): tuple of sort key (e.g. "timeline") and direction - (e.g. "asc", "desc"). Defaults to "timeline,asc". since(batch_token): Batch token when asking for incremental deltas. set_presence(str): What state the device presence should be set to. default is "online". - backfill(bool): Should the HS request message history from other - servers. This may take a long time making it unsuitable for clients - expecting a prompt response. Defaults to "true". filter(filter_id): A filter to apply to the events returned. - filter_*: Filter override parameters. Response JSON:: { - "next_batch": // batch token for the next /sync - "private_user_data": // private events for this user. - "public_user_data": // public events for all users including the - // public events for this user. - "rooms": [{ // List of rooms with updates. - "room_id": // Id of the room being updated - "limited": // Was the per-room event limit exceeded? - "published": // Is the room published by our HS? + "next_batch": // batch token for the next /sync + "presence": // presence data for the user. + "rooms": { + "joined": { // Joined rooms being updated. + "${room_id}": { // Id of the room being updated "event_map": // Map of EventID -> event JSON. - "events": { // The recent events in the room if gap is "true" - // otherwise the next events in the room. - "batch": [] // list of EventIDs in the "event_map". - "prev_batch": // back token for getting previous events. + "timeline": { // The recent events in the room if gap is "true" + "limited": // Was the per-room event limit exceeded? + // otherwise the next events in the room. + "events": [] // list of EventIDs in the "event_map". + "prev_batch": // back token for getting previous events. } - "state": [] // list of EventIDs updating the current state to - // be what it should be at the end of the batch. - "ephemeral": [] - }] + "state": {"events": []} // list of EventIDs updating the + // current state to be what it should + // be at the end of the batch. + "ephemeral": {"events": []} // list of event objects + } + }, + "invited": {}, // Invited rooms being updated. + "archived": {} // Archived rooms being updated. + } } """ PATTERN = client_v2_pattern("/sync$") - ALLOWED_SORT = set(["timeline,asc", "timeline,desc"]) - ALLOWED_PRESENCE = set(["online", "offline", "idle"]) + ALLOWED_PRESENCE = set(["online", "offline"]) def __init__(self, hs): super(SyncRestServlet, self).__init__() self.auth = hs.get_auth() + self.event_stream_handler = hs.get_handlers().event_stream_handler self.sync_handler = hs.get_handlers().sync_handler self.clock = hs.get_clock() self.filtering = hs.get_filtering() @defer.inlineCallbacks def on_GET(self, request): - user, client = yield self.auth.get_user_by_req(request) + user, token_id, _ = yield self.auth.get_user_by_req(request) timeout = parse_integer(request, "timeout", default=0) - limit = parse_integer(request, "limit", required=True) - gap = parse_boolean(request, "gap", default=True) - sort = parse_string( - request, "sort", default="timeline,asc", - allowed_values=self.ALLOWED_SORT - ) since = parse_string(request, "since") set_presence = parse_string( request, "set_presence", default="online", allowed_values=self.ALLOWED_PRESENCE ) - backfill = parse_boolean(request, "backfill", default=False) filter_id = parse_string(request, "filter", default=None) + full_state = parse_boolean(request, "full_state", default=False) logger.info( - "/sync: user=%r, timeout=%r, limit=%r, gap=%r, sort=%r, since=%r," - " set_presence=%r, backfill=%r, filter_id=%r" % ( - user, timeout, limit, gap, sort, since, set_presence, - backfill, filter_id + "/sync: user=%r, timeout=%r, since=%r," + " set_presence=%r, filter_id=%r" % ( + user, timeout, since, set_presence, filter_id ) ) - # TODO(mjark): Load filter and apply overrides. try: filter = yield self.filtering.get_user_filter( user.localpart, filter_id ) except: - filter = Filter({}) - # filter = filter.apply_overrides(http_request) - # if filter.matches(event): - # # stuff + filter = FilterCollection({}) sync_config = SyncConfig( user=user, - client_info=client, - gap=gap, - limit=limit, - sort=sort, - backfill=backfill, filter=filter, ) @@ -138,43 +117,154 @@ class SyncRestServlet(RestServlet): else: since_token = None - sync_result = yield self.sync_handler.wait_for_sync_for_user( - sync_config, since_token=since_token, timeout=timeout - ) + if set_presence == "online": + yield self.event_stream_handler.started_stream(user) + + try: + sync_result = yield self.sync_handler.wait_for_sync_for_user( + sync_config, since_token=since_token, timeout=timeout, + full_state=full_state + ) + finally: + if set_presence == "online": + self.event_stream_handler.stopped_stream(user) time_now = self.clock.time_msec() + joined = self.encode_joined( + sync_result.joined, filter, time_now, token_id + ) + + invited = self.encode_invited( + sync_result.invited, filter, time_now, token_id + ) + + archived = self.encode_archived( + sync_result.archived, filter, time_now, token_id + ) + response_content = { - "public_user_data": self.encode_user_data( - sync_result.public_user_data, filter, time_now - ), - "private_user_data": self.encode_user_data( - sync_result.private_user_data, filter, time_now - ), - "rooms": self.encode_rooms( - sync_result.rooms, filter, time_now, client.token_id + "presence": self.encode_presence( + sync_result.presence, filter, time_now ), + "rooms": { + "joined": joined, + "invited": invited, + "archived": archived, + }, "next_batch": sync_result.next_batch.to_string(), } defer.returnValue((200, response_content)) - def encode_user_data(self, events, filter, time_now): - return events + def encode_presence(self, events, filter, time_now): + formatted = [] + for event in events: + event = copy.deepcopy(event) + event['sender'] = event['content'].pop('user_id') + formatted.append(event) + return {"events": filter.filter_presence(formatted)} - def encode_rooms(self, rooms, filter, time_now, token_id): - return [ - self.encode_room(room, filter, time_now, token_id) - for room in rooms - ] + def encode_joined(self, rooms, filter, time_now, token_id): + """ + Encode the joined rooms in a sync result + + :param list[synapse.handlers.sync.JoinedSyncResult] rooms: list of sync + results for rooms this user is joined to + :param FilterCollection filter: filters to apply to the results + :param int time_now: current time - used as a baseline for age + calculations + :param int token_id: ID of the user's auth token - used for namespacing + of transaction IDs + + :return: the joined rooms list, in our response format + :rtype: dict[str, dict[str, object]] + """ + joined = {} + for room in rooms: + joined[room.room_id] = self.encode_room( + room, filter, time_now, token_id + ) + + return joined + + def encode_invited(self, rooms, filter, time_now, token_id): + """ + Encode the invited rooms in a sync result + + :param list[synapse.handlers.sync.InvitedSyncResult] rooms: list of + sync results for rooms this user is joined to + :param FilterCollection filter: filters to apply to the results + :param int time_now: current time - used as a baseline for age + calculations + :param int token_id: ID of the user's auth token - used for namespacing + of transaction IDs + + :return: the invited rooms list, in our response format + :rtype: dict[str, dict[str, object]] + """ + invited = {} + for room in rooms: + invite = serialize_event( + room.invite, time_now, token_id=token_id, + event_format=format_event_for_client_v2_without_event_id, + ) + invited_state = invite.get("unsigned", {}).pop("invite_room_state", []) + invited_state.append(invite) + invited[room.room_id] = { + "invite_state": {"events": invited_state} + } + + return invited + + def encode_archived(self, rooms, filter, time_now, token_id): + """ + Encode the archived rooms in a sync result + + :param list[synapse.handlers.sync.ArchivedSyncResult] rooms: list of + sync results for rooms this user is joined to + :param FilterCollection filter: filters to apply to the results + :param int time_now: current time - used as a baseline for age + calculations + :param int token_id: ID of the user's auth token - used for namespacing + of transaction IDs + + :return: the invited rooms list, in our response format + :rtype: dict[str, dict[str, object]] + """ + joined = {} + for room in rooms: + joined[room.room_id] = self.encode_room( + room, filter, time_now, token_id, joined=False + ) + + return joined @staticmethod - def encode_room(room, filter, time_now, token_id): + def encode_room(room, filter, time_now, token_id, joined=True): + """ + :param JoinedSyncResult|ArchivedSyncResult room: sync result for a + single room + :param FilterCollection filter: filters to apply to the results + :param int time_now: current time - used as a baseline for age + calculations + :param int token_id: ID of the user's auth token - used for namespacing + of transaction IDs + :param joined: True if the user is joined to this room - will mean + we handle ephemeral events + + :return: the room, encoded in our response format + :rtype: dict[str, object] + """ event_map = {} - state_events = filter.filter_room_state(room.state) - recent_events = filter.filter_room_events(room.events) + state_dict = room.state + timeline_events = filter.filter_room_timeline(room.timeline.events) + + state_dict = SyncRestServlet._rollback_state_for_timeline( + state_dict, timeline_events) + + state_events = filter.filter_room_state(state_dict.values()) state_event_ids = [] - recent_event_ids = [] for event in state_events: # TODO(mjark): Respect formatting requirements in the filter. event_map[event.event_id] = serialize_event( @@ -183,25 +273,91 @@ class SyncRestServlet(RestServlet): ) state_event_ids.append(event.event_id) - for event in recent_events: + timeline_event_ids = [] + for event in timeline_events: # TODO(mjark): Respect formatting requirements in the filter. event_map[event.event_id] = serialize_event( event, time_now, token_id=token_id, event_format=format_event_for_client_v2_without_event_id, ) - recent_event_ids.append(event.event_id) + timeline_event_ids.append(event.event_id) + + private_user_data = filter.filter_room_private_user_data( + room.private_user_data + ) + result = { - "room_id": room.room_id, "event_map": event_map, - "events": { - "batch": recent_event_ids, - "prev_batch": room.prev_batch.to_string(), + "timeline": { + "events": timeline_event_ids, + "prev_batch": room.timeline.prev_batch.to_string(), + "limited": room.timeline.limited, }, - "state": state_event_ids, - "limited": room.limited, - "published": room.published, - "ephemeral": room.ephemeral, + "state": {"events": state_event_ids}, + "private_user_data": {"events": private_user_data}, } + + if joined: + ephemeral_events = filter.filter_room_ephemeral(room.ephemeral) + result["ephemeral"] = {"events": ephemeral_events} + + return result + + @staticmethod + def _rollback_state_for_timeline(state, timeline): + """ + Wind the state dictionary backwards, so that it represents the + state at the start of the timeline, rather than at the end. + + :param dict[(str, str), synapse.events.EventBase] state: the + state dictionary. Will be updated to the state before the timeline. + :param list[synapse.events.EventBase] timeline: the event timeline + :return: updated state dictionary + """ + logger.debug("Processing state dict %r; timeline %r", state, + [e.get_dict() for e in timeline]) + + result = state.copy() + + for timeline_event in reversed(timeline): + if not timeline_event.is_state(): + continue + + event_key = (timeline_event.type, timeline_event.state_key) + + logger.debug("Considering %s for removal", event_key) + + state_event = result.get(event_key) + if (state_event is None or + state_event.event_id != timeline_event.event_id): + # the event in the timeline isn't present in the state + # dictionary. + # + # the most likely cause for this is that there was a fork in + # the event graph, and the state is no longer valid. Really, + # the event shouldn't be in the timeline. We're going to ignore + # it for now, however. + logger.warn("Found state event %r in timeline which doesn't " + "match state dictionary", timeline_event) + continue + + prev_event_id = timeline_event.unsigned.get("replaces_state", None) + logger.debug("Replacing %s with %s in state dict", + timeline_event.event_id, prev_event_id) + + if prev_event_id is None: + del result[event_key] + else: + result[event_key] = FrozenEvent({ + "type": timeline_event.type, + "state_key": timeline_event.state_key, + "content": timeline_event.unsigned['prev_content'], + "sender": timeline_event.unsigned['prev_sender'], + "event_id": prev_event_id, + "room_id": timeline_event.room_id, + }) + logger.debug("New value: %r", result.get(event_key)) + return result diff --git a/synapse/rest/client/v2_alpha/tags.py b/synapse/rest/client/v2_alpha/tags.py new file mode 100644 index 000000000..35482ae6a --- /dev/null +++ b/synapse/rest/client/v2_alpha/tags.py @@ -0,0 +1,106 @@ +# -*- coding: utf-8 -*- +# Copyright 2015 OpenMarket Ltd +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +from ._base import client_v2_pattern + +from synapse.http.servlet import RestServlet +from synapse.api.errors import AuthError, SynapseError + +from twisted.internet import defer + +import logging + +import simplejson as json + +logger = logging.getLogger(__name__) + + +class TagListServlet(RestServlet): + """ + GET /user/{user_id}/rooms/{room_id}/tags HTTP/1.1 + """ + PATTERN = client_v2_pattern( + "/user/(?P[^/]*)/rooms/(?P[^/]*)/tags" + ) + + def __init__(self, hs): + super(TagListServlet, self).__init__() + self.auth = hs.get_auth() + self.store = hs.get_datastore() + + @defer.inlineCallbacks + def on_GET(self, request, user_id, room_id): + auth_user, _, _ = yield self.auth.get_user_by_req(request) + if user_id != auth_user.to_string(): + raise AuthError(403, "Cannot get tags for other users.") + + tags = yield self.store.get_tags_for_room(user_id, room_id) + + defer.returnValue((200, {"tags": tags})) + + +class TagServlet(RestServlet): + """ + PUT /user/{user_id}/rooms/{room_id}/tags/{tag} HTTP/1.1 + DELETE /user/{user_id}/rooms/{room_id}/tags/{tag} HTTP/1.1 + """ + PATTERN = client_v2_pattern( + "/user/(?P[^/]*)/rooms/(?P[^/]*)/tags/(?P[^/]*)" + ) + + def __init__(self, hs): + super(TagServlet, self).__init__() + self.auth = hs.get_auth() + self.store = hs.get_datastore() + self.notifier = hs.get_notifier() + + @defer.inlineCallbacks + def on_PUT(self, request, user_id, room_id, tag): + auth_user, _, _ = yield self.auth.get_user_by_req(request) + if user_id != auth_user.to_string(): + raise AuthError(403, "Cannot add tags for other users.") + + try: + content_bytes = request.content.read() + body = json.loads(content_bytes) + except: + raise SynapseError(400, "Invalid tag JSON") + + max_id = yield self.store.add_tag_to_room(user_id, room_id, tag, body) + + yield self.notifier.on_new_event( + "private_user_data_key", max_id, users=[user_id] + ) + + defer.returnValue((200, {})) + + @defer.inlineCallbacks + def on_DELETE(self, request, user_id, room_id, tag): + auth_user, _, _ = yield self.auth.get_user_by_req(request) + if user_id != auth_user.to_string(): + raise AuthError(403, "Cannot add tags for other users.") + + max_id = yield self.store.remove_tag_from_room(user_id, room_id, tag) + + yield self.notifier.on_new_event( + "private_user_data_key", max_id, users=[user_id] + ) + + defer.returnValue((200, {})) + + +def register_servlets(hs, http_server): + TagListServlet(hs).register(http_server) + TagServlet(hs).register(http_server) diff --git a/synapse/rest/client/v2_alpha/tokenrefresh.py b/synapse/rest/client/v2_alpha/tokenrefresh.py new file mode 100644 index 000000000..901e77798 --- /dev/null +++ b/synapse/rest/client/v2_alpha/tokenrefresh.py @@ -0,0 +1,56 @@ +# -*- coding: utf-8 -*- +# Copyright 2015 OpenMarket Ltd +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +from twisted.internet import defer + +from synapse.api.errors import AuthError, StoreError, SynapseError +from synapse.http.servlet import RestServlet + +from ._base import client_v2_pattern, parse_json_dict_from_request + + +class TokenRefreshRestServlet(RestServlet): + """ + Exchanges refresh tokens for a pair of an access token and a new refresh + token. + """ + PATTERN = client_v2_pattern("/tokenrefresh") + + def __init__(self, hs): + super(TokenRefreshRestServlet, self).__init__() + self.hs = hs + self.store = hs.get_datastore() + + @defer.inlineCallbacks + def on_POST(self, request): + body = parse_json_dict_from_request(request) + try: + old_refresh_token = body["refresh_token"] + auth_handler = self.hs.get_handlers().auth_handler + (user_id, new_refresh_token) = yield self.store.exchange_refresh_token( + old_refresh_token, auth_handler.generate_refresh_token) + new_access_token = yield auth_handler.issue_access_token(user_id) + defer.returnValue((200, { + "access_token": new_access_token, + "refresh_token": new_refresh_token, + })) + except KeyError: + raise SynapseError(400, "Missing required key 'refresh_token'.") + except StoreError: + raise AuthError(403, "Did not recognize refresh token") + + +def register_servlets(hs, http_server): + TokenRefreshRestServlet(hs).register(http_server) diff --git a/synapse/rest/key/v1/server_key_resource.py b/synapse/rest/key/v1/server_key_resource.py index 71e9a51f5..6df46969c 100644 --- a/synapse/rest/key/v1/server_key_resource.py +++ b/synapse/rest/key/v1/server_key_resource.py @@ -16,9 +16,9 @@ from twisted.web.resource import Resource from synapse.http.server import respond_with_json_bytes -from syutil.crypto.jsonsign import sign_json -from syutil.base64util import encode_base64 -from syutil.jsonutil import encode_canonical_json +from signedjson.sign import sign_json +from unpaddedbase64 import encode_base64 +from canonicaljson import encode_canonical_json from OpenSSL import crypto import logging diff --git a/synapse/rest/key/v2/local_key_resource.py b/synapse/rest/key/v2/local_key_resource.py index 33cbd7cf8..ef7699d59 100644 --- a/synapse/rest/key/v2/local_key_resource.py +++ b/synapse/rest/key/v2/local_key_resource.py @@ -16,9 +16,9 @@ from twisted.web.resource import Resource from synapse.http.server import respond_with_json_bytes -from syutil.crypto.jsonsign import sign_json -from syutil.base64util import encode_base64 -from syutil.jsonutil import encode_canonical_json +from signedjson.sign import sign_json +from unpaddedbase64 import encode_base64 +from canonicaljson import encode_canonical_json from hashlib import sha256 from OpenSSL import crypto import logging diff --git a/synapse/rest/media/v0/content_repository.py b/synapse/rest/media/v0/content_repository.py index e77a20fb2..e4fa8c464 100644 --- a/synapse/rest/media/v0/content_repository.py +++ b/synapse/rest/media/v0/content_repository.py @@ -66,7 +66,7 @@ class ContentRepoResource(resource.Resource): @defer.inlineCallbacks def map_request_to_name(self, request): # auth the user - auth_user, client = yield self.auth.get_user_by_req(request) + auth_user, _, _ = yield self.auth.get_user_by_req(request) # namespace all file uploads on the user prefix = base64.urlsafe_b64encode( diff --git a/synapse/rest/media/v1/upload_resource.py b/synapse/rest/media/v1/upload_resource.py index 031bfa80f..7d6159608 100644 --- a/synapse/rest/media/v1/upload_resource.py +++ b/synapse/rest/media/v1/upload_resource.py @@ -70,7 +70,7 @@ class UploadResource(BaseMediaResource): @request_handler @defer.inlineCallbacks def _async_render_POST(self, request): - auth_user, client = yield self.auth.get_user_by_req(request) + auth_user, _, _ = yield self.auth.get_user_by_req(request) # TODO: The checks here are a bit late. The content will have # already been uploaded to a tmp file at this point content_length = request.getHeader("Content-Length") diff --git a/synapse/server.py b/synapse/server.py index 4d1fb1cbf..f75d5358b 100644 --- a/synapse/server.py +++ b/synapse/server.py @@ -19,7 +19,9 @@ # partial one for unit test mocking. # Imports required for the default HomeServer() implementation +from twisted.web.client import BrowserLikePolicyForHTTPS from synapse.federation import initialize_http_replication +from synapse.http.client import SimpleHttpClient, InsecureInterceptableContextFactory from synapse.notifier import Notifier from synapse.api.auth import Auth from synapse.handlers import Handlers @@ -27,7 +29,6 @@ from synapse.state import StateHandler from synapse.storage import DataStore from synapse.util import Clock from synapse.util.distributor import Distributor -from synapse.util.lockutils import LockManager from synapse.streams.events import EventSources from synapse.api.ratelimiting import Ratelimiter from synapse.crypto.keyring import Keyring @@ -68,7 +69,6 @@ class BaseHomeServer(object): 'auth', 'rest_servlet_factory', 'state_handler', - 'room_lock_manager', 'notifier', 'distributor', 'resource_for_client', @@ -87,6 +87,8 @@ class BaseHomeServer(object): 'pusherpool', 'event_builder_factory', 'filtering', + 'http_client_context_factory', + 'simple_http_client', ] def __init__(self, hostname, **kwargs): @@ -174,6 +176,17 @@ class HomeServer(BaseHomeServer): def build_auth(self): return Auth(self) + def build_http_client_context_factory(self): + config = self.get_config() + return ( + InsecureInterceptableContextFactory() + if config.use_insecure_ssl_client_just_for_testing_do_not_use + else BrowserLikePolicyForHTTPS() + ) + + def build_simple_http_client(self): + return SimpleHttpClient(self) + def build_v1auth(self): orf = Auth(self) # Matrix spec makes no reference to what HTTP status code is returned, @@ -186,9 +199,6 @@ class HomeServer(BaseHomeServer): def build_state_handler(self): return StateHandler(self) - def build_room_lock_manager(self): - return LockManager() - def build_distributor(self): return Distributor() diff --git a/synapse/state.py b/synapse/state.py index 1fe4d066b..8ea2cac5d 100644 --- a/synapse/state.py +++ b/synapse/state.py @@ -17,7 +17,6 @@ from twisted.internet import defer from synapse.util.logutils import log_function -from synapse.util.async import run_on_reactor from synapse.util.caches.expiringcache import ExpiringCache from synapse.api.constants import EventTypes from synapse.api.errors import AuthError @@ -32,10 +31,6 @@ import hashlib logger = logging.getLogger(__name__) -def _get_state_key_from_event(event): - return event.state_key - - KeyStateTuple = namedtuple("KeyStateTuple", ("context", "type", "state_key")) @@ -76,7 +71,7 @@ class StateHandler(object): @defer.inlineCallbacks def get_current_state(self, room_id, event_type=None, state_key=""): - """ Returns the current state for the room as a list. This is done by + """ Retrieves the current state for the room. This is done by calling `get_latest_events_in_room` to get the leading edges of the event graph and then resolving any of the state conflicts. @@ -85,6 +80,8 @@ class StateHandler(object): If `event_type` is specified, then the method returns only the one event (or None) with that `event_type` and `state_key`. + + :returns map from (type, state_key) to event """ event_ids = yield self.store.get_latest_event_ids_in_room(room_id) @@ -119,8 +116,6 @@ class StateHandler(object): Returns: an EventContext """ - yield run_on_reactor() - context = EventContext() if outlier: @@ -184,9 +179,10 @@ class StateHandler(object): """ Given a list of event_ids this method fetches the state at each event, resolves conflicts between them and returns them. - Return format is a tuple: (`state_group`, `state_events`), where the - first is the name of a state group if one and only one is involved, - otherwise `None`. + :returns a Deferred tuple of (`state_group`, `state`, `prev_state`). + `state_group` is the name of a state group if one and only one is + involved. `state` is a map from (type, state_key) to event, and + `prev_state` is a list of event ids. """ logger.debug("resolve_state_groups event_ids %s", event_ids) @@ -262,6 +258,11 @@ class StateHandler(object): return self._resolve_events(state_sets) def _resolve_events(self, state_sets, event_type=None, state_key=""): + """ + :returns a tuple (new_state, prev_states). new_state is a map + from (type, state_key) to event. prev_states is a list of event_ids. + :rtype: (dict[(str, str), synapse.events.FrozenEvent], list[str]) + """ state = {} for st in state_sets: for e in st: @@ -314,19 +315,23 @@ class StateHandler(object): We resolve conflicts in the following order: 1. power levels - 2. memberships - 3. other events. + 2. join rules + 3. memberships + 4. other events. """ resolved_state = {} power_key = (EventTypes.PowerLevels, "") - if power_key in conflicted_state.items(): - power_levels = conflicted_state[power_key] - resolved_state[power_key] = self._resolve_auth_events(power_levels) + if power_key in conflicted_state: + events = conflicted_state[power_key] + logger.debug("Resolving conflicted power levels %r", events) + resolved_state[power_key] = self._resolve_auth_events( + events, auth_events) auth_events.update(resolved_state) for key, events in conflicted_state.items(): if key[0] == EventTypes.JoinRules: + logger.debug("Resolving conflicted join rules %r", events) resolved_state[key] = self._resolve_auth_events( events, auth_events @@ -336,6 +341,7 @@ class StateHandler(object): for key, events in conflicted_state.items(): if key[0] == EventTypes.Member: + logger.debug("Resolving conflicted member lists %r", events) resolved_state[key] = self._resolve_auth_events( events, auth_events @@ -345,6 +351,7 @@ class StateHandler(object): for key, events in conflicted_state.items(): if key not in resolved_state: + logger.debug("Resolving conflicted state %r:%r", key, events) resolved_state[key] = self._resolve_normal_events( events, auth_events ) diff --git a/synapse/static/client/login/index.html b/synapse/static/client/login/index.html new file mode 100644 index 000000000..96c8723ca --- /dev/null +++ b/synapse/static/client/login/index.html @@ -0,0 +1,50 @@ + + + Login + + + + + + +
+
+

Log in with one of the following methods

+ + +
+
+ +
+ +
+ + + +
+ + + + +
+ + diff --git a/static/client/register/js/jquery-2.1.3.min.js b/synapse/static/client/login/js/jquery-2.1.3.min.js similarity index 100% rename from static/client/register/js/jquery-2.1.3.min.js rename to synapse/static/client/login/js/jquery-2.1.3.min.js diff --git a/synapse/static/client/login/js/login.js b/synapse/static/client/login/js/login.js new file mode 100644 index 000000000..bfb738603 --- /dev/null +++ b/synapse/static/client/login/js/login.js @@ -0,0 +1,153 @@ +window.matrixLogin = { + endpoint: location.origin + "/_matrix/client/api/v1/login", + serverAcceptsPassword: false, + serverAcceptsCas: false +}; + +var submitPassword = function(user, pwd) { + console.log("Logging in with password..."); + var data = { + type: "m.login.password", + user: user, + password: pwd, + }; + $.post(matrixLogin.endpoint, JSON.stringify(data), function(response) { + show_login(); + matrixLogin.onLogin(response); + }).error(errorFunc); +}; + +var submitToken = function(loginToken) { + console.log("Logging in with login token..."); + var data = { + type: "m.login.token", + token: loginToken + }; + $.post(matrixLogin.endpoint, JSON.stringify(data), function(response) { + show_login(); + matrixLogin.onLogin(response); + }).error(errorFunc); +}; + +var errorFunc = function(err) { + show_login(); + + if (err.responseJSON && err.responseJSON.error) { + setFeedbackString(err.responseJSON.error + " (" + err.responseJSON.errcode + ")"); + } + else { + setFeedbackString("Request failed: " + err.status); + } +}; + +var gotoCas = function() { + var this_page = window.location.origin + window.location.pathname; + var redirect_url = matrixLogin.endpoint + "/cas/redirect?redirectUrl=" + encodeURIComponent(this_page); + window.location.replace(redirect_url); +} + +var setFeedbackString = function(text) { + $("#feedback").text(text); +}; + +var show_login = function() { + $("#loading").hide(); + + if (matrixLogin.serverAcceptsPassword) { + $("#password_form").show(); + } + + if (matrixLogin.serverAcceptsCas) { + $("#cas_flow").show(); + } + + if (!matrixLogin.serverAcceptsPassword && !matrixLogin.serverAcceptsCas) { + $("#no_login_types").show(); + } +}; + +var show_spinner = function() { + $("#password_form").hide(); + $("#cas_flow").hide(); + $("#no_login_types").hide(); + $("#loading").show(); +}; + + +var fetch_info = function(cb) { + $.get(matrixLogin.endpoint, function(response) { + var serverAcceptsPassword = false; + var serverAcceptsCas = false; + for (var i=0; ia?this[a+this.length]:this[a]:d.call(this)},pushStack:function(a){var b=n.merge(this.constructor(),a);return b.prevObject=this,b.context=this.context,b},each:function(a,b){return n.each(this,a,b)},map:function(a){return this.pushStack(n.map(this,function(b,c){return a.call(b,c,b)}))},slice:function(){return this.pushStack(d.apply(this,arguments))},first:function(){return this.eq(0)},last:function(){return this.eq(-1)},eq:function(a){var b=this.length,c=+a+(0>a?b:0);return this.pushStack(c>=0&&b>c?[this[c]]:[])},end:function(){return this.prevObject||this.constructor(null)},push:f,sort:c.sort,splice:c.splice},n.extend=n.fn.extend=function(){var a,b,c,d,e,f,g=arguments[0]||{},h=1,i=arguments.length,j=!1;for("boolean"==typeof g&&(j=g,g=arguments[h]||{},h++),"object"==typeof g||n.isFunction(g)||(g={}),h===i&&(g=this,h--);i>h;h++)if(null!=(a=arguments[h]))for(b in a)c=g[b],d=a[b],g!==d&&(j&&d&&(n.isPlainObject(d)||(e=n.isArray(d)))?(e?(e=!1,f=c&&n.isArray(c)?c:[]):f=c&&n.isPlainObject(c)?c:{},g[b]=n.extend(j,f,d)):void 0!==d&&(g[b]=d));return g},n.extend({expando:"jQuery"+(m+Math.random()).replace(/\D/g,""),isReady:!0,error:function(a){throw new Error(a)},noop:function(){},isFunction:function(a){return"function"===n.type(a)},isArray:Array.isArray,isWindow:function(a){return null!=a&&a===a.window},isNumeric:function(a){return!n.isArray(a)&&a-parseFloat(a)+1>=0},isPlainObject:function(a){return"object"!==n.type(a)||a.nodeType||n.isWindow(a)?!1:a.constructor&&!j.call(a.constructor.prototype,"isPrototypeOf")?!1:!0},isEmptyObject:function(a){var b;for(b in a)return!1;return!0},type:function(a){return null==a?a+"":"object"==typeof a||"function"==typeof a?h[i.call(a)]||"object":typeof a},globalEval:function(a){var b,c=eval;a=n.trim(a),a&&(1===a.indexOf("use strict")?(b=l.createElement("script"),b.text=a,l.head.appendChild(b).parentNode.removeChild(b)):c(a))},camelCase:function(a){return a.replace(p,"ms-").replace(q,r)},nodeName:function(a,b){return a.nodeName&&a.nodeName.toLowerCase()===b.toLowerCase()},each:function(a,b,c){var d,e=0,f=a.length,g=s(a);if(c){if(g){for(;f>e;e++)if(d=b.apply(a[e],c),d===!1)break}else for(e in a)if(d=b.apply(a[e],c),d===!1)break}else if(g){for(;f>e;e++)if(d=b.call(a[e],e,a[e]),d===!1)break}else for(e in a)if(d=b.call(a[e],e,a[e]),d===!1)break;return a},trim:function(a){return null==a?"":(a+"").replace(o,"")},makeArray:function(a,b){var c=b||[];return null!=a&&(s(Object(a))?n.merge(c,"string"==typeof a?[a]:a):f.call(c,a)),c},inArray:function(a,b,c){return null==b?-1:g.call(b,a,c)},merge:function(a,b){for(var c=+b.length,d=0,e=a.length;c>d;d++)a[e++]=b[d];return a.length=e,a},grep:function(a,b,c){for(var d,e=[],f=0,g=a.length,h=!c;g>f;f++)d=!b(a[f],f),d!==h&&e.push(a[f]);return e},map:function(a,b,c){var d,f=0,g=a.length,h=s(a),i=[];if(h)for(;g>f;f++)d=b(a[f],f,c),null!=d&&i.push(d);else for(f in a)d=b(a[f],f,c),null!=d&&i.push(d);return e.apply([],i)},guid:1,proxy:function(a,b){var c,e,f;return"string"==typeof b&&(c=a[b],b=a,a=c),n.isFunction(a)?(e=d.call(arguments,2),f=function(){return a.apply(b||this,e.concat(d.call(arguments)))},f.guid=a.guid=a.guid||n.guid++,f):void 0},now:Date.now,support:k}),n.each("Boolean Number String Function Array Date RegExp Object Error".split(" "),function(a,b){h["[object "+b+"]"]=b.toLowerCase()});function s(a){var b=a.length,c=n.type(a);return"function"===c||n.isWindow(a)?!1:1===a.nodeType&&b?!0:"array"===c||0===b||"number"==typeof b&&b>0&&b-1 in a}var t=function(a){var b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u="sizzle"+1*new Date,v=a.document,w=0,x=0,y=hb(),z=hb(),A=hb(),B=function(a,b){return a===b&&(l=!0),0},C=1<<31,D={}.hasOwnProperty,E=[],F=E.pop,G=E.push,H=E.push,I=E.slice,J=function(a,b){for(var c=0,d=a.length;d>c;c++)if(a[c]===b)return c;return-1},K="checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped",L="[\\x20\\t\\r\\n\\f]",M="(?:\\\\.|[\\w-]|[^\\x00-\\xa0])+",N=M.replace("w","w#"),O="\\["+L+"*("+M+")(?:"+L+"*([*^$|!~]?=)"+L+"*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|("+N+"))|)"+L+"*\\]",P=":("+M+")(?:\\((('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|((?:\\\\.|[^\\\\()[\\]]|"+O+")*)|.*)\\)|)",Q=new RegExp(L+"+","g"),R=new RegExp("^"+L+"+|((?:^|[^\\\\])(?:\\\\.)*)"+L+"+$","g"),S=new RegExp("^"+L+"*,"+L+"*"),T=new RegExp("^"+L+"*([>+~]|"+L+")"+L+"*"),U=new RegExp("="+L+"*([^\\]'\"]*?)"+L+"*\\]","g"),V=new RegExp(P),W=new RegExp("^"+N+"$"),X={ID:new RegExp("^#("+M+")"),CLASS:new RegExp("^\\.("+M+")"),TAG:new RegExp("^("+M.replace("w","w*")+")"),ATTR:new RegExp("^"+O),PSEUDO:new RegExp("^"+P),CHILD:new RegExp("^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\("+L+"*(even|odd|(([+-]|)(\\d*)n|)"+L+"*(?:([+-]|)"+L+"*(\\d+)|))"+L+"*\\)|)","i"),bool:new RegExp("^(?:"+K+")$","i"),needsContext:new RegExp("^"+L+"*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\("+L+"*((?:-\\d)?\\d*)"+L+"*\\)|)(?=[^-]|$)","i")},Y=/^(?:input|select|textarea|button)$/i,Z=/^h\d$/i,$=/^[^{]+\{\s*\[native \w/,_=/^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/,ab=/[+~]/,bb=/'|\\/g,cb=new RegExp("\\\\([\\da-f]{1,6}"+L+"?|("+L+")|.)","ig"),db=function(a,b,c){var d="0x"+b-65536;return d!==d||c?b:0>d?String.fromCharCode(d+65536):String.fromCharCode(d>>10|55296,1023&d|56320)},eb=function(){m()};try{H.apply(E=I.call(v.childNodes),v.childNodes),E[v.childNodes.length].nodeType}catch(fb){H={apply:E.length?function(a,b){G.apply(a,I.call(b))}:function(a,b){var c=a.length,d=0;while(a[c++]=b[d++]);a.length=c-1}}}function gb(a,b,d,e){var f,h,j,k,l,o,r,s,w,x;if((b?b.ownerDocument||b:v)!==n&&m(b),b=b||n,d=d||[],k=b.nodeType,"string"!=typeof a||!a||1!==k&&9!==k&&11!==k)return d;if(!e&&p){if(11!==k&&(f=_.exec(a)))if(j=f[1]){if(9===k){if(h=b.getElementById(j),!h||!h.parentNode)return d;if(h.id===j)return d.push(h),d}else if(b.ownerDocument&&(h=b.ownerDocument.getElementById(j))&&t(b,h)&&h.id===j)return d.push(h),d}else{if(f[2])return H.apply(d,b.getElementsByTagName(a)),d;if((j=f[3])&&c.getElementsByClassName)return H.apply(d,b.getElementsByClassName(j)),d}if(c.qsa&&(!q||!q.test(a))){if(s=r=u,w=b,x=1!==k&&a,1===k&&"object"!==b.nodeName.toLowerCase()){o=g(a),(r=b.getAttribute("id"))?s=r.replace(bb,"\\$&"):b.setAttribute("id",s),s="[id='"+s+"'] ",l=o.length;while(l--)o[l]=s+rb(o[l]);w=ab.test(a)&&pb(b.parentNode)||b,x=o.join(",")}if(x)try{return H.apply(d,w.querySelectorAll(x)),d}catch(y){}finally{r||b.removeAttribute("id")}}}return i(a.replace(R,"$1"),b,d,e)}function hb(){var a=[];function b(c,e){return a.push(c+" ")>d.cacheLength&&delete b[a.shift()],b[c+" "]=e}return b}function ib(a){return a[u]=!0,a}function jb(a){var b=n.createElement("div");try{return!!a(b)}catch(c){return!1}finally{b.parentNode&&b.parentNode.removeChild(b),b=null}}function kb(a,b){var c=a.split("|"),e=a.length;while(e--)d.attrHandle[c[e]]=b}function lb(a,b){var c=b&&a,d=c&&1===a.nodeType&&1===b.nodeType&&(~b.sourceIndex||C)-(~a.sourceIndex||C);if(d)return d;if(c)while(c=c.nextSibling)if(c===b)return-1;return a?1:-1}function mb(a){return function(b){var c=b.nodeName.toLowerCase();return"input"===c&&b.type===a}}function nb(a){return function(b){var c=b.nodeName.toLowerCase();return("input"===c||"button"===c)&&b.type===a}}function ob(a){return ib(function(b){return b=+b,ib(function(c,d){var e,f=a([],c.length,b),g=f.length;while(g--)c[e=f[g]]&&(c[e]=!(d[e]=c[e]))})})}function pb(a){return a&&"undefined"!=typeof a.getElementsByTagName&&a}c=gb.support={},f=gb.isXML=function(a){var b=a&&(a.ownerDocument||a).documentElement;return b?"HTML"!==b.nodeName:!1},m=gb.setDocument=function(a){var b,e,g=a?a.ownerDocument||a:v;return g!==n&&9===g.nodeType&&g.documentElement?(n=g,o=g.documentElement,e=g.defaultView,e&&e!==e.top&&(e.addEventListener?e.addEventListener("unload",eb,!1):e.attachEvent&&e.attachEvent("onunload",eb)),p=!f(g),c.attributes=jb(function(a){return a.className="i",!a.getAttribute("className")}),c.getElementsByTagName=jb(function(a){return a.appendChild(g.createComment("")),!a.getElementsByTagName("*").length}),c.getElementsByClassName=$.test(g.getElementsByClassName),c.getById=jb(function(a){return o.appendChild(a).id=u,!g.getElementsByName||!g.getElementsByName(u).length}),c.getById?(d.find.ID=function(a,b){if("undefined"!=typeof b.getElementById&&p){var c=b.getElementById(a);return c&&c.parentNode?[c]:[]}},d.filter.ID=function(a){var b=a.replace(cb,db);return function(a){return a.getAttribute("id")===b}}):(delete d.find.ID,d.filter.ID=function(a){var b=a.replace(cb,db);return function(a){var c="undefined"!=typeof a.getAttributeNode&&a.getAttributeNode("id");return c&&c.value===b}}),d.find.TAG=c.getElementsByTagName?function(a,b){return"undefined"!=typeof b.getElementsByTagName?b.getElementsByTagName(a):c.qsa?b.querySelectorAll(a):void 0}:function(a,b){var c,d=[],e=0,f=b.getElementsByTagName(a);if("*"===a){while(c=f[e++])1===c.nodeType&&d.push(c);return d}return f},d.find.CLASS=c.getElementsByClassName&&function(a,b){return p?b.getElementsByClassName(a):void 0},r=[],q=[],(c.qsa=$.test(g.querySelectorAll))&&(jb(function(a){o.appendChild(a).innerHTML="",a.querySelectorAll("[msallowcapture^='']").length&&q.push("[*^$]="+L+"*(?:''|\"\")"),a.querySelectorAll("[selected]").length||q.push("\\["+L+"*(?:value|"+K+")"),a.querySelectorAll("[id~="+u+"-]").length||q.push("~="),a.querySelectorAll(":checked").length||q.push(":checked"),a.querySelectorAll("a#"+u+"+*").length||q.push(".#.+[+~]")}),jb(function(a){var b=g.createElement("input");b.setAttribute("type","hidden"),a.appendChild(b).setAttribute("name","D"),a.querySelectorAll("[name=d]").length&&q.push("name"+L+"*[*^$|!~]?="),a.querySelectorAll(":enabled").length||q.push(":enabled",":disabled"),a.querySelectorAll("*,:x"),q.push(",.*:")})),(c.matchesSelector=$.test(s=o.matches||o.webkitMatchesSelector||o.mozMatchesSelector||o.oMatchesSelector||o.msMatchesSelector))&&jb(function(a){c.disconnectedMatch=s.call(a,"div"),s.call(a,"[s!='']:x"),r.push("!=",P)}),q=q.length&&new RegExp(q.join("|")),r=r.length&&new RegExp(r.join("|")),b=$.test(o.compareDocumentPosition),t=b||$.test(o.contains)?function(a,b){var c=9===a.nodeType?a.documentElement:a,d=b&&b.parentNode;return a===d||!(!d||1!==d.nodeType||!(c.contains?c.contains(d):a.compareDocumentPosition&&16&a.compareDocumentPosition(d)))}:function(a,b){if(b)while(b=b.parentNode)if(b===a)return!0;return!1},B=b?function(a,b){if(a===b)return l=!0,0;var d=!a.compareDocumentPosition-!b.compareDocumentPosition;return d?d:(d=(a.ownerDocument||a)===(b.ownerDocument||b)?a.compareDocumentPosition(b):1,1&d||!c.sortDetached&&b.compareDocumentPosition(a)===d?a===g||a.ownerDocument===v&&t(v,a)?-1:b===g||b.ownerDocument===v&&t(v,b)?1:k?J(k,a)-J(k,b):0:4&d?-1:1)}:function(a,b){if(a===b)return l=!0,0;var c,d=0,e=a.parentNode,f=b.parentNode,h=[a],i=[b];if(!e||!f)return a===g?-1:b===g?1:e?-1:f?1:k?J(k,a)-J(k,b):0;if(e===f)return lb(a,b);c=a;while(c=c.parentNode)h.unshift(c);c=b;while(c=c.parentNode)i.unshift(c);while(h[d]===i[d])d++;return d?lb(h[d],i[d]):h[d]===v?-1:i[d]===v?1:0},g):n},gb.matches=function(a,b){return gb(a,null,null,b)},gb.matchesSelector=function(a,b){if((a.ownerDocument||a)!==n&&m(a),b=b.replace(U,"='$1']"),!(!c.matchesSelector||!p||r&&r.test(b)||q&&q.test(b)))try{var d=s.call(a,b);if(d||c.disconnectedMatch||a.document&&11!==a.document.nodeType)return d}catch(e){}return gb(b,n,null,[a]).length>0},gb.contains=function(a,b){return(a.ownerDocument||a)!==n&&m(a),t(a,b)},gb.attr=function(a,b){(a.ownerDocument||a)!==n&&m(a);var e=d.attrHandle[b.toLowerCase()],f=e&&D.call(d.attrHandle,b.toLowerCase())?e(a,b,!p):void 0;return void 0!==f?f:c.attributes||!p?a.getAttribute(b):(f=a.getAttributeNode(b))&&f.specified?f.value:null},gb.error=function(a){throw new Error("Syntax error, unrecognized expression: "+a)},gb.uniqueSort=function(a){var b,d=[],e=0,f=0;if(l=!c.detectDuplicates,k=!c.sortStable&&a.slice(0),a.sort(B),l){while(b=a[f++])b===a[f]&&(e=d.push(f));while(e--)a.splice(d[e],1)}return k=null,a},e=gb.getText=function(a){var b,c="",d=0,f=a.nodeType;if(f){if(1===f||9===f||11===f){if("string"==typeof a.textContent)return a.textContent;for(a=a.firstChild;a;a=a.nextSibling)c+=e(a)}else if(3===f||4===f)return a.nodeValue}else while(b=a[d++])c+=e(b);return c},d=gb.selectors={cacheLength:50,createPseudo:ib,match:X,attrHandle:{},find:{},relative:{">":{dir:"parentNode",first:!0}," ":{dir:"parentNode"},"+":{dir:"previousSibling",first:!0},"~":{dir:"previousSibling"}},preFilter:{ATTR:function(a){return a[1]=a[1].replace(cb,db),a[3]=(a[3]||a[4]||a[5]||"").replace(cb,db),"~="===a[2]&&(a[3]=" "+a[3]+" "),a.slice(0,4)},CHILD:function(a){return a[1]=a[1].toLowerCase(),"nth"===a[1].slice(0,3)?(a[3]||gb.error(a[0]),a[4]=+(a[4]?a[5]+(a[6]||1):2*("even"===a[3]||"odd"===a[3])),a[5]=+(a[7]+a[8]||"odd"===a[3])):a[3]&&gb.error(a[0]),a},PSEUDO:function(a){var b,c=!a[6]&&a[2];return X.CHILD.test(a[0])?null:(a[3]?a[2]=a[4]||a[5]||"":c&&V.test(c)&&(b=g(c,!0))&&(b=c.indexOf(")",c.length-b)-c.length)&&(a[0]=a[0].slice(0,b),a[2]=c.slice(0,b)),a.slice(0,3))}},filter:{TAG:function(a){var b=a.replace(cb,db).toLowerCase();return"*"===a?function(){return!0}:function(a){return a.nodeName&&a.nodeName.toLowerCase()===b}},CLASS:function(a){var b=y[a+" "];return b||(b=new RegExp("(^|"+L+")"+a+"("+L+"|$)"))&&y(a,function(a){return b.test("string"==typeof a.className&&a.className||"undefined"!=typeof a.getAttribute&&a.getAttribute("class")||"")})},ATTR:function(a,b,c){return function(d){var e=gb.attr(d,a);return null==e?"!="===b:b?(e+="","="===b?e===c:"!="===b?e!==c:"^="===b?c&&0===e.indexOf(c):"*="===b?c&&e.indexOf(c)>-1:"$="===b?c&&e.slice(-c.length)===c:"~="===b?(" "+e.replace(Q," ")+" ").indexOf(c)>-1:"|="===b?e===c||e.slice(0,c.length+1)===c+"-":!1):!0}},CHILD:function(a,b,c,d,e){var f="nth"!==a.slice(0,3),g="last"!==a.slice(-4),h="of-type"===b;return 1===d&&0===e?function(a){return!!a.parentNode}:function(b,c,i){var j,k,l,m,n,o,p=f!==g?"nextSibling":"previousSibling",q=b.parentNode,r=h&&b.nodeName.toLowerCase(),s=!i&&!h;if(q){if(f){while(p){l=b;while(l=l[p])if(h?l.nodeName.toLowerCase()===r:1===l.nodeType)return!1;o=p="only"===a&&!o&&"nextSibling"}return!0}if(o=[g?q.firstChild:q.lastChild],g&&s){k=q[u]||(q[u]={}),j=k[a]||[],n=j[0]===w&&j[1],m=j[0]===w&&j[2],l=n&&q.childNodes[n];while(l=++n&&l&&l[p]||(m=n=0)||o.pop())if(1===l.nodeType&&++m&&l===b){k[a]=[w,n,m];break}}else if(s&&(j=(b[u]||(b[u]={}))[a])&&j[0]===w)m=j[1];else while(l=++n&&l&&l[p]||(m=n=0)||o.pop())if((h?l.nodeName.toLowerCase()===r:1===l.nodeType)&&++m&&(s&&((l[u]||(l[u]={}))[a]=[w,m]),l===b))break;return m-=e,m===d||m%d===0&&m/d>=0}}},PSEUDO:function(a,b){var c,e=d.pseudos[a]||d.setFilters[a.toLowerCase()]||gb.error("unsupported pseudo: "+a);return e[u]?e(b):e.length>1?(c=[a,a,"",b],d.setFilters.hasOwnProperty(a.toLowerCase())?ib(function(a,c){var d,f=e(a,b),g=f.length;while(g--)d=J(a,f[g]),a[d]=!(c[d]=f[g])}):function(a){return e(a,0,c)}):e}},pseudos:{not:ib(function(a){var b=[],c=[],d=h(a.replace(R,"$1"));return d[u]?ib(function(a,b,c,e){var f,g=d(a,null,e,[]),h=a.length;while(h--)(f=g[h])&&(a[h]=!(b[h]=f))}):function(a,e,f){return b[0]=a,d(b,null,f,c),b[0]=null,!c.pop()}}),has:ib(function(a){return function(b){return gb(a,b).length>0}}),contains:ib(function(a){return a=a.replace(cb,db),function(b){return(b.textContent||b.innerText||e(b)).indexOf(a)>-1}}),lang:ib(function(a){return W.test(a||"")||gb.error("unsupported lang: "+a),a=a.replace(cb,db).toLowerCase(),function(b){var c;do if(c=p?b.lang:b.getAttribute("xml:lang")||b.getAttribute("lang"))return c=c.toLowerCase(),c===a||0===c.indexOf(a+"-");while((b=b.parentNode)&&1===b.nodeType);return!1}}),target:function(b){var c=a.location&&a.location.hash;return c&&c.slice(1)===b.id},root:function(a){return a===o},focus:function(a){return a===n.activeElement&&(!n.hasFocus||n.hasFocus())&&!!(a.type||a.href||~a.tabIndex)},enabled:function(a){return a.disabled===!1},disabled:function(a){return a.disabled===!0},checked:function(a){var b=a.nodeName.toLowerCase();return"input"===b&&!!a.checked||"option"===b&&!!a.selected},selected:function(a){return a.parentNode&&a.parentNode.selectedIndex,a.selected===!0},empty:function(a){for(a=a.firstChild;a;a=a.nextSibling)if(a.nodeType<6)return!1;return!0},parent:function(a){return!d.pseudos.empty(a)},header:function(a){return Z.test(a.nodeName)},input:function(a){return Y.test(a.nodeName)},button:function(a){var b=a.nodeName.toLowerCase();return"input"===b&&"button"===a.type||"button"===b},text:function(a){var b;return"input"===a.nodeName.toLowerCase()&&"text"===a.type&&(null==(b=a.getAttribute("type"))||"text"===b.toLowerCase())},first:ob(function(){return[0]}),last:ob(function(a,b){return[b-1]}),eq:ob(function(a,b,c){return[0>c?c+b:c]}),even:ob(function(a,b){for(var c=0;b>c;c+=2)a.push(c);return a}),odd:ob(function(a,b){for(var c=1;b>c;c+=2)a.push(c);return a}),lt:ob(function(a,b,c){for(var d=0>c?c+b:c;--d>=0;)a.push(d);return a}),gt:ob(function(a,b,c){for(var d=0>c?c+b:c;++db;b++)d+=a[b].value;return d}function sb(a,b,c){var d=b.dir,e=c&&"parentNode"===d,f=x++;return b.first?function(b,c,f){while(b=b[d])if(1===b.nodeType||e)return a(b,c,f)}:function(b,c,g){var h,i,j=[w,f];if(g){while(b=b[d])if((1===b.nodeType||e)&&a(b,c,g))return!0}else while(b=b[d])if(1===b.nodeType||e){if(i=b[u]||(b[u]={}),(h=i[d])&&h[0]===w&&h[1]===f)return j[2]=h[2];if(i[d]=j,j[2]=a(b,c,g))return!0}}}function tb(a){return a.length>1?function(b,c,d){var e=a.length;while(e--)if(!a[e](b,c,d))return!1;return!0}:a[0]}function ub(a,b,c){for(var d=0,e=b.length;e>d;d++)gb(a,b[d],c);return c}function vb(a,b,c,d,e){for(var f,g=[],h=0,i=a.length,j=null!=b;i>h;h++)(f=a[h])&&(!c||c(f,d,e))&&(g.push(f),j&&b.push(h));return g}function wb(a,b,c,d,e,f){return d&&!d[u]&&(d=wb(d)),e&&!e[u]&&(e=wb(e,f)),ib(function(f,g,h,i){var j,k,l,m=[],n=[],o=g.length,p=f||ub(b||"*",h.nodeType?[h]:h,[]),q=!a||!f&&b?p:vb(p,m,a,h,i),r=c?e||(f?a:o||d)?[]:g:q;if(c&&c(q,r,h,i),d){j=vb(r,n),d(j,[],h,i),k=j.length;while(k--)(l=j[k])&&(r[n[k]]=!(q[n[k]]=l))}if(f){if(e||a){if(e){j=[],k=r.length;while(k--)(l=r[k])&&j.push(q[k]=l);e(null,r=[],j,i)}k=r.length;while(k--)(l=r[k])&&(j=e?J(f,l):m[k])>-1&&(f[j]=!(g[j]=l))}}else r=vb(r===g?r.splice(o,r.length):r),e?e(null,g,r,i):H.apply(g,r)})}function xb(a){for(var b,c,e,f=a.length,g=d.relative[a[0].type],h=g||d.relative[" "],i=g?1:0,k=sb(function(a){return a===b},h,!0),l=sb(function(a){return J(b,a)>-1},h,!0),m=[function(a,c,d){var e=!g&&(d||c!==j)||((b=c).nodeType?k(a,c,d):l(a,c,d));return b=null,e}];f>i;i++)if(c=d.relative[a[i].type])m=[sb(tb(m),c)];else{if(c=d.filter[a[i].type].apply(null,a[i].matches),c[u]){for(e=++i;f>e;e++)if(d.relative[a[e].type])break;return wb(i>1&&tb(m),i>1&&rb(a.slice(0,i-1).concat({value:" "===a[i-2].type?"*":""})).replace(R,"$1"),c,e>i&&xb(a.slice(i,e)),f>e&&xb(a=a.slice(e)),f>e&&rb(a))}m.push(c)}return tb(m)}function yb(a,b){var c=b.length>0,e=a.length>0,f=function(f,g,h,i,k){var l,m,o,p=0,q="0",r=f&&[],s=[],t=j,u=f||e&&d.find.TAG("*",k),v=w+=null==t?1:Math.random()||.1,x=u.length;for(k&&(j=g!==n&&g);q!==x&&null!=(l=u[q]);q++){if(e&&l){m=0;while(o=a[m++])if(o(l,g,h)){i.push(l);break}k&&(w=v)}c&&((l=!o&&l)&&p--,f&&r.push(l))}if(p+=q,c&&q!==p){m=0;while(o=b[m++])o(r,s,g,h);if(f){if(p>0)while(q--)r[q]||s[q]||(s[q]=F.call(i));s=vb(s)}H.apply(i,s),k&&!f&&s.length>0&&p+b.length>1&&gb.uniqueSort(i)}return k&&(w=v,j=t),r};return c?ib(f):f}return h=gb.compile=function(a,b){var c,d=[],e=[],f=A[a+" "];if(!f){b||(b=g(a)),c=b.length;while(c--)f=xb(b[c]),f[u]?d.push(f):e.push(f);f=A(a,yb(e,d)),f.selector=a}return f},i=gb.select=function(a,b,e,f){var i,j,k,l,m,n="function"==typeof a&&a,o=!f&&g(a=n.selector||a);if(e=e||[],1===o.length){if(j=o[0]=o[0].slice(0),j.length>2&&"ID"===(k=j[0]).type&&c.getById&&9===b.nodeType&&p&&d.relative[j[1].type]){if(b=(d.find.ID(k.matches[0].replace(cb,db),b)||[])[0],!b)return e;n&&(b=b.parentNode),a=a.slice(j.shift().value.length)}i=X.needsContext.test(a)?0:j.length;while(i--){if(k=j[i],d.relative[l=k.type])break;if((m=d.find[l])&&(f=m(k.matches[0].replace(cb,db),ab.test(j[0].type)&&pb(b.parentNode)||b))){if(j.splice(i,1),a=f.length&&rb(j),!a)return H.apply(e,f),e;break}}}return(n||h(a,o))(f,b,!p,e,ab.test(a)&&pb(b.parentNode)||b),e},c.sortStable=u.split("").sort(B).join("")===u,c.detectDuplicates=!!l,m(),c.sortDetached=jb(function(a){return 1&a.compareDocumentPosition(n.createElement("div"))}),jb(function(a){return a.innerHTML="","#"===a.firstChild.getAttribute("href")})||kb("type|href|height|width",function(a,b,c){return c?void 0:a.getAttribute(b,"type"===b.toLowerCase()?1:2)}),c.attributes&&jb(function(a){return a.innerHTML="",a.firstChild.setAttribute("value",""),""===a.firstChild.getAttribute("value")})||kb("value",function(a,b,c){return c||"input"!==a.nodeName.toLowerCase()?void 0:a.defaultValue}),jb(function(a){return null==a.getAttribute("disabled")})||kb(K,function(a,b,c){var d;return c?void 0:a[b]===!0?b.toLowerCase():(d=a.getAttributeNode(b))&&d.specified?d.value:null}),gb}(a);n.find=t,n.expr=t.selectors,n.expr[":"]=n.expr.pseudos,n.unique=t.uniqueSort,n.text=t.getText,n.isXMLDoc=t.isXML,n.contains=t.contains;var u=n.expr.match.needsContext,v=/^<(\w+)\s*\/?>(?:<\/\1>|)$/,w=/^.[^:#\[\.,]*$/;function x(a,b,c){if(n.isFunction(b))return n.grep(a,function(a,d){return!!b.call(a,d,a)!==c});if(b.nodeType)return n.grep(a,function(a){return a===b!==c});if("string"==typeof b){if(w.test(b))return n.filter(b,a,c);b=n.filter(b,a)}return n.grep(a,function(a){return g.call(b,a)>=0!==c})}n.filter=function(a,b,c){var d=b[0];return c&&(a=":not("+a+")"),1===b.length&&1===d.nodeType?n.find.matchesSelector(d,a)?[d]:[]:n.find.matches(a,n.grep(b,function(a){return 1===a.nodeType}))},n.fn.extend({find:function(a){var b,c=this.length,d=[],e=this;if("string"!=typeof a)return this.pushStack(n(a).filter(function(){for(b=0;c>b;b++)if(n.contains(e[b],this))return!0}));for(b=0;c>b;b++)n.find(a,e[b],d);return d=this.pushStack(c>1?n.unique(d):d),d.selector=this.selector?this.selector+" "+a:a,d},filter:function(a){return this.pushStack(x(this,a||[],!1))},not:function(a){return this.pushStack(x(this,a||[],!0))},is:function(a){return!!x(this,"string"==typeof a&&u.test(a)?n(a):a||[],!1).length}});var y,z=/^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]*))$/,A=n.fn.init=function(a,b){var c,d;if(!a)return this;if("string"==typeof a){if(c="<"===a[0]&&">"===a[a.length-1]&&a.length>=3?[null,a,null]:z.exec(a),!c||!c[1]&&b)return!b||b.jquery?(b||y).find(a):this.constructor(b).find(a);if(c[1]){if(b=b instanceof n?b[0]:b,n.merge(this,n.parseHTML(c[1],b&&b.nodeType?b.ownerDocument||b:l,!0)),v.test(c[1])&&n.isPlainObject(b))for(c in b)n.isFunction(this[c])?this[c](b[c]):this.attr(c,b[c]);return this}return d=l.getElementById(c[2]),d&&d.parentNode&&(this.length=1,this[0]=d),this.context=l,this.selector=a,this}return a.nodeType?(this.context=this[0]=a,this.length=1,this):n.isFunction(a)?"undefined"!=typeof y.ready?y.ready(a):a(n):(void 0!==a.selector&&(this.selector=a.selector,this.context=a.context),n.makeArray(a,this))};A.prototype=n.fn,y=n(l);var B=/^(?:parents|prev(?:Until|All))/,C={children:!0,contents:!0,next:!0,prev:!0};n.extend({dir:function(a,b,c){var d=[],e=void 0!==c;while((a=a[b])&&9!==a.nodeType)if(1===a.nodeType){if(e&&n(a).is(c))break;d.push(a)}return d},sibling:function(a,b){for(var c=[];a;a=a.nextSibling)1===a.nodeType&&a!==b&&c.push(a);return c}}),n.fn.extend({has:function(a){var b=n(a,this),c=b.length;return this.filter(function(){for(var a=0;c>a;a++)if(n.contains(this,b[a]))return!0})},closest:function(a,b){for(var c,d=0,e=this.length,f=[],g=u.test(a)||"string"!=typeof a?n(a,b||this.context):0;e>d;d++)for(c=this[d];c&&c!==b;c=c.parentNode)if(c.nodeType<11&&(g?g.index(c)>-1:1===c.nodeType&&n.find.matchesSelector(c,a))){f.push(c);break}return this.pushStack(f.length>1?n.unique(f):f)},index:function(a){return a?"string"==typeof a?g.call(n(a),this[0]):g.call(this,a.jquery?a[0]:a):this[0]&&this[0].parentNode?this.first().prevAll().length:-1},add:function(a,b){return this.pushStack(n.unique(n.merge(this.get(),n(a,b))))},addBack:function(a){return this.add(null==a?this.prevObject:this.prevObject.filter(a))}});function D(a,b){while((a=a[b])&&1!==a.nodeType);return a}n.each({parent:function(a){var b=a.parentNode;return b&&11!==b.nodeType?b:null},parents:function(a){return n.dir(a,"parentNode")},parentsUntil:function(a,b,c){return n.dir(a,"parentNode",c)},next:function(a){return D(a,"nextSibling")},prev:function(a){return D(a,"previousSibling")},nextAll:function(a){return n.dir(a,"nextSibling")},prevAll:function(a){return n.dir(a,"previousSibling")},nextUntil:function(a,b,c){return n.dir(a,"nextSibling",c)},prevUntil:function(a,b,c){return n.dir(a,"previousSibling",c)},siblings:function(a){return n.sibling((a.parentNode||{}).firstChild,a)},children:function(a){return n.sibling(a.firstChild)},contents:function(a){return a.contentDocument||n.merge([],a.childNodes)}},function(a,b){n.fn[a]=function(c,d){var e=n.map(this,b,c);return"Until"!==a.slice(-5)&&(d=c),d&&"string"==typeof d&&(e=n.filter(d,e)),this.length>1&&(C[a]||n.unique(e),B.test(a)&&e.reverse()),this.pushStack(e)}});var E=/\S+/g,F={};function G(a){var b=F[a]={};return n.each(a.match(E)||[],function(a,c){b[c]=!0}),b}n.Callbacks=function(a){a="string"==typeof a?F[a]||G(a):n.extend({},a);var b,c,d,e,f,g,h=[],i=!a.once&&[],j=function(l){for(b=a.memory&&l,c=!0,g=e||0,e=0,f=h.length,d=!0;h&&f>g;g++)if(h[g].apply(l[0],l[1])===!1&&a.stopOnFalse){b=!1;break}d=!1,h&&(i?i.length&&j(i.shift()):b?h=[]:k.disable())},k={add:function(){if(h){var c=h.length;!function g(b){n.each(b,function(b,c){var d=n.type(c);"function"===d?a.unique&&k.has(c)||h.push(c):c&&c.length&&"string"!==d&&g(c)})}(arguments),d?f=h.length:b&&(e=c,j(b))}return this},remove:function(){return h&&n.each(arguments,function(a,b){var c;while((c=n.inArray(b,h,c))>-1)h.splice(c,1),d&&(f>=c&&f--,g>=c&&g--)}),this},has:function(a){return a?n.inArray(a,h)>-1:!(!h||!h.length)},empty:function(){return h=[],f=0,this},disable:function(){return h=i=b=void 0,this},disabled:function(){return!h},lock:function(){return i=void 0,b||k.disable(),this},locked:function(){return!i},fireWith:function(a,b){return!h||c&&!i||(b=b||[],b=[a,b.slice?b.slice():b],d?i.push(b):j(b)),this},fire:function(){return k.fireWith(this,arguments),this},fired:function(){return!!c}};return k},n.extend({Deferred:function(a){var b=[["resolve","done",n.Callbacks("once memory"),"resolved"],["reject","fail",n.Callbacks("once memory"),"rejected"],["notify","progress",n.Callbacks("memory")]],c="pending",d={state:function(){return c},always:function(){return e.done(arguments).fail(arguments),this},then:function(){var a=arguments;return n.Deferred(function(c){n.each(b,function(b,f){var g=n.isFunction(a[b])&&a[b];e[f[1]](function(){var a=g&&g.apply(this,arguments);a&&n.isFunction(a.promise)?a.promise().done(c.resolve).fail(c.reject).progress(c.notify):c[f[0]+"With"](this===d?c.promise():this,g?[a]:arguments)})}),a=null}).promise()},promise:function(a){return null!=a?n.extend(a,d):d}},e={};return d.pipe=d.then,n.each(b,function(a,f){var g=f[2],h=f[3];d[f[1]]=g.add,h&&g.add(function(){c=h},b[1^a][2].disable,b[2][2].lock),e[f[0]]=function(){return e[f[0]+"With"](this===e?d:this,arguments),this},e[f[0]+"With"]=g.fireWith}),d.promise(e),a&&a.call(e,e),e},when:function(a){var b=0,c=d.call(arguments),e=c.length,f=1!==e||a&&n.isFunction(a.promise)?e:0,g=1===f?a:n.Deferred(),h=function(a,b,c){return function(e){b[a]=this,c[a]=arguments.length>1?d.call(arguments):e,c===i?g.notifyWith(b,c):--f||g.resolveWith(b,c)}},i,j,k;if(e>1)for(i=new Array(e),j=new Array(e),k=new Array(e);e>b;b++)c[b]&&n.isFunction(c[b].promise)?c[b].promise().done(h(b,k,c)).fail(g.reject).progress(h(b,j,i)):--f;return f||g.resolveWith(k,c),g.promise()}});var H;n.fn.ready=function(a){return n.ready.promise().done(a),this},n.extend({isReady:!1,readyWait:1,holdReady:function(a){a?n.readyWait++:n.ready(!0)},ready:function(a){(a===!0?--n.readyWait:n.isReady)||(n.isReady=!0,a!==!0&&--n.readyWait>0||(H.resolveWith(l,[n]),n.fn.triggerHandler&&(n(l).triggerHandler("ready"),n(l).off("ready"))))}});function I(){l.removeEventListener("DOMContentLoaded",I,!1),a.removeEventListener("load",I,!1),n.ready()}n.ready.promise=function(b){return H||(H=n.Deferred(),"complete"===l.readyState?setTimeout(n.ready):(l.addEventListener("DOMContentLoaded",I,!1),a.addEventListener("load",I,!1))),H.promise(b)},n.ready.promise();var J=n.access=function(a,b,c,d,e,f,g){var h=0,i=a.length,j=null==c;if("object"===n.type(c)){e=!0;for(h in c)n.access(a,b,h,c[h],!0,f,g)}else if(void 0!==d&&(e=!0,n.isFunction(d)||(g=!0),j&&(g?(b.call(a,d),b=null):(j=b,b=function(a,b,c){return j.call(n(a),c)})),b))for(;i>h;h++)b(a[h],c,g?d:d.call(a[h],h,b(a[h],c)));return e?a:j?b.call(a):i?b(a[0],c):f};n.acceptData=function(a){return 1===a.nodeType||9===a.nodeType||!+a.nodeType};function K(){Object.defineProperty(this.cache={},0,{get:function(){return{}}}),this.expando=n.expando+K.uid++}K.uid=1,K.accepts=n.acceptData,K.prototype={key:function(a){if(!K.accepts(a))return 0;var b={},c=a[this.expando];if(!c){c=K.uid++;try{b[this.expando]={value:c},Object.defineProperties(a,b)}catch(d){b[this.expando]=c,n.extend(a,b)}}return this.cache[c]||(this.cache[c]={}),c},set:function(a,b,c){var d,e=this.key(a),f=this.cache[e];if("string"==typeof b)f[b]=c;else if(n.isEmptyObject(f))n.extend(this.cache[e],b);else for(d in b)f[d]=b[d];return f},get:function(a,b){var c=this.cache[this.key(a)];return void 0===b?c:c[b]},access:function(a,b,c){var d;return void 0===b||b&&"string"==typeof b&&void 0===c?(d=this.get(a,b),void 0!==d?d:this.get(a,n.camelCase(b))):(this.set(a,b,c),void 0!==c?c:b)},remove:function(a,b){var c,d,e,f=this.key(a),g=this.cache[f];if(void 0===b)this.cache[f]={};else{n.isArray(b)?d=b.concat(b.map(n.camelCase)):(e=n.camelCase(b),b in g?d=[b,e]:(d=e,d=d in g?[d]:d.match(E)||[])),c=d.length;while(c--)delete g[d[c]]}},hasData:function(a){return!n.isEmptyObject(this.cache[a[this.expando]]||{})},discard:function(a){a[this.expando]&&delete this.cache[a[this.expando]]}};var L=new K,M=new K,N=/^(?:\{[\w\W]*\}|\[[\w\W]*\])$/,O=/([A-Z])/g;function P(a,b,c){var d;if(void 0===c&&1===a.nodeType)if(d="data-"+b.replace(O,"-$1").toLowerCase(),c=a.getAttribute(d),"string"==typeof c){try{c="true"===c?!0:"false"===c?!1:"null"===c?null:+c+""===c?+c:N.test(c)?n.parseJSON(c):c}catch(e){}M.set(a,b,c)}else c=void 0;return c}n.extend({hasData:function(a){return M.hasData(a)||L.hasData(a)},data:function(a,b,c){return M.access(a,b,c) +},removeData:function(a,b){M.remove(a,b)},_data:function(a,b,c){return L.access(a,b,c)},_removeData:function(a,b){L.remove(a,b)}}),n.fn.extend({data:function(a,b){var c,d,e,f=this[0],g=f&&f.attributes;if(void 0===a){if(this.length&&(e=M.get(f),1===f.nodeType&&!L.get(f,"hasDataAttrs"))){c=g.length;while(c--)g[c]&&(d=g[c].name,0===d.indexOf("data-")&&(d=n.camelCase(d.slice(5)),P(f,d,e[d])));L.set(f,"hasDataAttrs",!0)}return e}return"object"==typeof a?this.each(function(){M.set(this,a)}):J(this,function(b){var c,d=n.camelCase(a);if(f&&void 0===b){if(c=M.get(f,a),void 0!==c)return c;if(c=M.get(f,d),void 0!==c)return c;if(c=P(f,d,void 0),void 0!==c)return c}else this.each(function(){var c=M.get(this,d);M.set(this,d,b),-1!==a.indexOf("-")&&void 0!==c&&M.set(this,a,b)})},null,b,arguments.length>1,null,!0)},removeData:function(a){return this.each(function(){M.remove(this,a)})}}),n.extend({queue:function(a,b,c){var d;return a?(b=(b||"fx")+"queue",d=L.get(a,b),c&&(!d||n.isArray(c)?d=L.access(a,b,n.makeArray(c)):d.push(c)),d||[]):void 0},dequeue:function(a,b){b=b||"fx";var c=n.queue(a,b),d=c.length,e=c.shift(),f=n._queueHooks(a,b),g=function(){n.dequeue(a,b)};"inprogress"===e&&(e=c.shift(),d--),e&&("fx"===b&&c.unshift("inprogress"),delete f.stop,e.call(a,g,f)),!d&&f&&f.empty.fire()},_queueHooks:function(a,b){var c=b+"queueHooks";return L.get(a,c)||L.access(a,c,{empty:n.Callbacks("once memory").add(function(){L.remove(a,[b+"queue",c])})})}}),n.fn.extend({queue:function(a,b){var c=2;return"string"!=typeof a&&(b=a,a="fx",c--),arguments.lengthx",k.noCloneChecked=!!b.cloneNode(!0).lastChild.defaultValue}();var U="undefined";k.focusinBubbles="onfocusin"in a;var V=/^key/,W=/^(?:mouse|pointer|contextmenu)|click/,X=/^(?:focusinfocus|focusoutblur)$/,Y=/^([^.]*)(?:\.(.+)|)$/;function Z(){return!0}function $(){return!1}function _(){try{return l.activeElement}catch(a){}}n.event={global:{},add:function(a,b,c,d,e){var f,g,h,i,j,k,l,m,o,p,q,r=L.get(a);if(r){c.handler&&(f=c,c=f.handler,e=f.selector),c.guid||(c.guid=n.guid++),(i=r.events)||(i=r.events={}),(g=r.handle)||(g=r.handle=function(b){return typeof n!==U&&n.event.triggered!==b.type?n.event.dispatch.apply(a,arguments):void 0}),b=(b||"").match(E)||[""],j=b.length;while(j--)h=Y.exec(b[j])||[],o=q=h[1],p=(h[2]||"").split(".").sort(),o&&(l=n.event.special[o]||{},o=(e?l.delegateType:l.bindType)||o,l=n.event.special[o]||{},k=n.extend({type:o,origType:q,data:d,handler:c,guid:c.guid,selector:e,needsContext:e&&n.expr.match.needsContext.test(e),namespace:p.join(".")},f),(m=i[o])||(m=i[o]=[],m.delegateCount=0,l.setup&&l.setup.call(a,d,p,g)!==!1||a.addEventListener&&a.addEventListener(o,g,!1)),l.add&&(l.add.call(a,k),k.handler.guid||(k.handler.guid=c.guid)),e?m.splice(m.delegateCount++,0,k):m.push(k),n.event.global[o]=!0)}},remove:function(a,b,c,d,e){var f,g,h,i,j,k,l,m,o,p,q,r=L.hasData(a)&&L.get(a);if(r&&(i=r.events)){b=(b||"").match(E)||[""],j=b.length;while(j--)if(h=Y.exec(b[j])||[],o=q=h[1],p=(h[2]||"").split(".").sort(),o){l=n.event.special[o]||{},o=(d?l.delegateType:l.bindType)||o,m=i[o]||[],h=h[2]&&new RegExp("(^|\\.)"+p.join("\\.(?:.*\\.|)")+"(\\.|$)"),g=f=m.length;while(f--)k=m[f],!e&&q!==k.origType||c&&c.guid!==k.guid||h&&!h.test(k.namespace)||d&&d!==k.selector&&("**"!==d||!k.selector)||(m.splice(f,1),k.selector&&m.delegateCount--,l.remove&&l.remove.call(a,k));g&&!m.length&&(l.teardown&&l.teardown.call(a,p,r.handle)!==!1||n.removeEvent(a,o,r.handle),delete i[o])}else for(o in i)n.event.remove(a,o+b[j],c,d,!0);n.isEmptyObject(i)&&(delete r.handle,L.remove(a,"events"))}},trigger:function(b,c,d,e){var f,g,h,i,k,m,o,p=[d||l],q=j.call(b,"type")?b.type:b,r=j.call(b,"namespace")?b.namespace.split("."):[];if(g=h=d=d||l,3!==d.nodeType&&8!==d.nodeType&&!X.test(q+n.event.triggered)&&(q.indexOf(".")>=0&&(r=q.split("."),q=r.shift(),r.sort()),k=q.indexOf(":")<0&&"on"+q,b=b[n.expando]?b:new n.Event(q,"object"==typeof b&&b),b.isTrigger=e?2:3,b.namespace=r.join("."),b.namespace_re=b.namespace?new RegExp("(^|\\.)"+r.join("\\.(?:.*\\.|)")+"(\\.|$)"):null,b.result=void 0,b.target||(b.target=d),c=null==c?[b]:n.makeArray(c,[b]),o=n.event.special[q]||{},e||!o.trigger||o.trigger.apply(d,c)!==!1)){if(!e&&!o.noBubble&&!n.isWindow(d)){for(i=o.delegateType||q,X.test(i+q)||(g=g.parentNode);g;g=g.parentNode)p.push(g),h=g;h===(d.ownerDocument||l)&&p.push(h.defaultView||h.parentWindow||a)}f=0;while((g=p[f++])&&!b.isPropagationStopped())b.type=f>1?i:o.bindType||q,m=(L.get(g,"events")||{})[b.type]&&L.get(g,"handle"),m&&m.apply(g,c),m=k&&g[k],m&&m.apply&&n.acceptData(g)&&(b.result=m.apply(g,c),b.result===!1&&b.preventDefault());return b.type=q,e||b.isDefaultPrevented()||o._default&&o._default.apply(p.pop(),c)!==!1||!n.acceptData(d)||k&&n.isFunction(d[q])&&!n.isWindow(d)&&(h=d[k],h&&(d[k]=null),n.event.triggered=q,d[q](),n.event.triggered=void 0,h&&(d[k]=h)),b.result}},dispatch:function(a){a=n.event.fix(a);var b,c,e,f,g,h=[],i=d.call(arguments),j=(L.get(this,"events")||{})[a.type]||[],k=n.event.special[a.type]||{};if(i[0]=a,a.delegateTarget=this,!k.preDispatch||k.preDispatch.call(this,a)!==!1){h=n.event.handlers.call(this,a,j),b=0;while((f=h[b++])&&!a.isPropagationStopped()){a.currentTarget=f.elem,c=0;while((g=f.handlers[c++])&&!a.isImmediatePropagationStopped())(!a.namespace_re||a.namespace_re.test(g.namespace))&&(a.handleObj=g,a.data=g.data,e=((n.event.special[g.origType]||{}).handle||g.handler).apply(f.elem,i),void 0!==e&&(a.result=e)===!1&&(a.preventDefault(),a.stopPropagation()))}return k.postDispatch&&k.postDispatch.call(this,a),a.result}},handlers:function(a,b){var c,d,e,f,g=[],h=b.delegateCount,i=a.target;if(h&&i.nodeType&&(!a.button||"click"!==a.type))for(;i!==this;i=i.parentNode||this)if(i.disabled!==!0||"click"!==a.type){for(d=[],c=0;h>c;c++)f=b[c],e=f.selector+" ",void 0===d[e]&&(d[e]=f.needsContext?n(e,this).index(i)>=0:n.find(e,this,null,[i]).length),d[e]&&d.push(f);d.length&&g.push({elem:i,handlers:d})}return h]*)\/>/gi,bb=/<([\w:]+)/,cb=/<|&#?\w+;/,db=/<(?:script|style|link)/i,eb=/checked\s*(?:[^=]|=\s*.checked.)/i,fb=/^$|\/(?:java|ecma)script/i,gb=/^true\/(.*)/,hb=/^\s*\s*$/g,ib={option:[1,""],thead:[1,"","
"],col:[2,"","
"],tr:[2,"","
"],td:[3,"","
"],_default:[0,"",""]};ib.optgroup=ib.option,ib.tbody=ib.tfoot=ib.colgroup=ib.caption=ib.thead,ib.th=ib.td;function jb(a,b){return n.nodeName(a,"table")&&n.nodeName(11!==b.nodeType?b:b.firstChild,"tr")?a.getElementsByTagName("tbody")[0]||a.appendChild(a.ownerDocument.createElement("tbody")):a}function kb(a){return a.type=(null!==a.getAttribute("type"))+"/"+a.type,a}function lb(a){var b=gb.exec(a.type);return b?a.type=b[1]:a.removeAttribute("type"),a}function mb(a,b){for(var c=0,d=a.length;d>c;c++)L.set(a[c],"globalEval",!b||L.get(b[c],"globalEval"))}function nb(a,b){var c,d,e,f,g,h,i,j;if(1===b.nodeType){if(L.hasData(a)&&(f=L.access(a),g=L.set(b,f),j=f.events)){delete g.handle,g.events={};for(e in j)for(c=0,d=j[e].length;d>c;c++)n.event.add(b,e,j[e][c])}M.hasData(a)&&(h=M.access(a),i=n.extend({},h),M.set(b,i))}}function ob(a,b){var c=a.getElementsByTagName?a.getElementsByTagName(b||"*"):a.querySelectorAll?a.querySelectorAll(b||"*"):[];return void 0===b||b&&n.nodeName(a,b)?n.merge([a],c):c}function pb(a,b){var c=b.nodeName.toLowerCase();"input"===c&&T.test(a.type)?b.checked=a.checked:("input"===c||"textarea"===c)&&(b.defaultValue=a.defaultValue)}n.extend({clone:function(a,b,c){var d,e,f,g,h=a.cloneNode(!0),i=n.contains(a.ownerDocument,a);if(!(k.noCloneChecked||1!==a.nodeType&&11!==a.nodeType||n.isXMLDoc(a)))for(g=ob(h),f=ob(a),d=0,e=f.length;e>d;d++)pb(f[d],g[d]);if(b)if(c)for(f=f||ob(a),g=g||ob(h),d=0,e=f.length;e>d;d++)nb(f[d],g[d]);else nb(a,h);return g=ob(h,"script"),g.length>0&&mb(g,!i&&ob(a,"script")),h},buildFragment:function(a,b,c,d){for(var e,f,g,h,i,j,k=b.createDocumentFragment(),l=[],m=0,o=a.length;o>m;m++)if(e=a[m],e||0===e)if("object"===n.type(e))n.merge(l,e.nodeType?[e]:e);else if(cb.test(e)){f=f||k.appendChild(b.createElement("div")),g=(bb.exec(e)||["",""])[1].toLowerCase(),h=ib[g]||ib._default,f.innerHTML=h[1]+e.replace(ab,"<$1>")+h[2],j=h[0];while(j--)f=f.lastChild;n.merge(l,f.childNodes),f=k.firstChild,f.textContent=""}else l.push(b.createTextNode(e));k.textContent="",m=0;while(e=l[m++])if((!d||-1===n.inArray(e,d))&&(i=n.contains(e.ownerDocument,e),f=ob(k.appendChild(e),"script"),i&&mb(f),c)){j=0;while(e=f[j++])fb.test(e.type||"")&&c.push(e)}return k},cleanData:function(a){for(var b,c,d,e,f=n.event.special,g=0;void 0!==(c=a[g]);g++){if(n.acceptData(c)&&(e=c[L.expando],e&&(b=L.cache[e]))){if(b.events)for(d in b.events)f[d]?n.event.remove(c,d):n.removeEvent(c,d,b.handle);L.cache[e]&&delete L.cache[e]}delete M.cache[c[M.expando]]}}}),n.fn.extend({text:function(a){return J(this,function(a){return void 0===a?n.text(this):this.empty().each(function(){(1===this.nodeType||11===this.nodeType||9===this.nodeType)&&(this.textContent=a)})},null,a,arguments.length)},append:function(){return this.domManip(arguments,function(a){if(1===this.nodeType||11===this.nodeType||9===this.nodeType){var b=jb(this,a);b.appendChild(a)}})},prepend:function(){return this.domManip(arguments,function(a){if(1===this.nodeType||11===this.nodeType||9===this.nodeType){var b=jb(this,a);b.insertBefore(a,b.firstChild)}})},before:function(){return this.domManip(arguments,function(a){this.parentNode&&this.parentNode.insertBefore(a,this)})},after:function(){return this.domManip(arguments,function(a){this.parentNode&&this.parentNode.insertBefore(a,this.nextSibling)})},remove:function(a,b){for(var c,d=a?n.filter(a,this):this,e=0;null!=(c=d[e]);e++)b||1!==c.nodeType||n.cleanData(ob(c)),c.parentNode&&(b&&n.contains(c.ownerDocument,c)&&mb(ob(c,"script")),c.parentNode.removeChild(c));return this},empty:function(){for(var a,b=0;null!=(a=this[b]);b++)1===a.nodeType&&(n.cleanData(ob(a,!1)),a.textContent="");return this},clone:function(a,b){return a=null==a?!1:a,b=null==b?a:b,this.map(function(){return n.clone(this,a,b)})},html:function(a){return J(this,function(a){var b=this[0]||{},c=0,d=this.length;if(void 0===a&&1===b.nodeType)return b.innerHTML;if("string"==typeof a&&!db.test(a)&&!ib[(bb.exec(a)||["",""])[1].toLowerCase()]){a=a.replace(ab,"<$1>");try{for(;d>c;c++)b=this[c]||{},1===b.nodeType&&(n.cleanData(ob(b,!1)),b.innerHTML=a);b=0}catch(e){}}b&&this.empty().append(a)},null,a,arguments.length)},replaceWith:function(){var a=arguments[0];return this.domManip(arguments,function(b){a=this.parentNode,n.cleanData(ob(this)),a&&a.replaceChild(b,this)}),a&&(a.length||a.nodeType)?this:this.remove()},detach:function(a){return this.remove(a,!0)},domManip:function(a,b){a=e.apply([],a);var c,d,f,g,h,i,j=0,l=this.length,m=this,o=l-1,p=a[0],q=n.isFunction(p);if(q||l>1&&"string"==typeof p&&!k.checkClone&&eb.test(p))return this.each(function(c){var d=m.eq(c);q&&(a[0]=p.call(this,c,d.html())),d.domManip(a,b)});if(l&&(c=n.buildFragment(a,this[0].ownerDocument,!1,this),d=c.firstChild,1===c.childNodes.length&&(c=d),d)){for(f=n.map(ob(c,"script"),kb),g=f.length;l>j;j++)h=c,j!==o&&(h=n.clone(h,!0,!0),g&&n.merge(f,ob(h,"script"))),b.call(this[j],h,j);if(g)for(i=f[f.length-1].ownerDocument,n.map(f,lb),j=0;g>j;j++)h=f[j],fb.test(h.type||"")&&!L.access(h,"globalEval")&&n.contains(i,h)&&(h.src?n._evalUrl&&n._evalUrl(h.src):n.globalEval(h.textContent.replace(hb,"")))}return this}}),n.each({appendTo:"append",prependTo:"prepend",insertBefore:"before",insertAfter:"after",replaceAll:"replaceWith"},function(a,b){n.fn[a]=function(a){for(var c,d=[],e=n(a),g=e.length-1,h=0;g>=h;h++)c=h===g?this:this.clone(!0),n(e[h])[b](c),f.apply(d,c.get());return this.pushStack(d)}});var qb,rb={};function sb(b,c){var d,e=n(c.createElement(b)).appendTo(c.body),f=a.getDefaultComputedStyle&&(d=a.getDefaultComputedStyle(e[0]))?d.display:n.css(e[0],"display");return e.detach(),f}function tb(a){var b=l,c=rb[a];return c||(c=sb(a,b),"none"!==c&&c||(qb=(qb||n("