mirror of
https://mau.dev/maunium/synapse.git
synced 2024-12-23 01:14:02 +01:00
Implement password changing (finally) along with a start on making client/server auth more general.
This commit is contained in:
parent
72d8406409
commit
d98660a60d
7 changed files with 236 additions and 49 deletions
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@ -29,6 +29,7 @@ from .typing import TypingNotificationHandler
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from .admin import AdminHandler
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from .admin import AdminHandler
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from .appservice import ApplicationServicesHandler
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from .appservice import ApplicationServicesHandler
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from .sync import SyncHandler
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from .sync import SyncHandler
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from .auth import AuthHandler
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class Handlers(object):
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class Handlers(object):
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@ -58,3 +59,4 @@ class Handlers(object):
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hs, ApplicationServiceApi(hs)
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hs, ApplicationServiceApi(hs)
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)
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)
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self.sync_handler = SyncHandler(hs)
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self.sync_handler = SyncHandler(hs)
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self.auth_handler = AuthHandler(hs)
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109
synapse/handlers/auth.py
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109
synapse/handlers/auth.py
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@ -0,0 +1,109 @@
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# -*- coding: utf-8 -*-
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# Copyright 2014, 2015 OpenMarket Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from twisted.internet import defer
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from ._base import BaseHandler
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from synapse.api.constants import LoginType
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from synapse.types import UserID
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from synapse.api.errors import LoginError, Codes
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import logging
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import bcrypt
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logger = logging.getLogger(__name__)
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class AuthHandler(BaseHandler):
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def __init__(self, hs):
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super(AuthHandler, self).__init__(hs)
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@defer.inlineCallbacks
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def check_auth(self, flows, clientdict):
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"""
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Takes a dictionary sent by the client in the login / registration
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protocol and handles the login flow.
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Args:
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flows: list of list of stages
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authdict: The dictionary from the client root level, not the
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'auth' key: this method prompts for auth if none is sent.
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Returns:
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A tuple of authed, dict where authed is true if the client
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has successfully completed an auth flow. If it is true, the dict
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contains the authenticated credentials of each stage.
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If authed is false, the dictionary is the server response to the
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login request and should be passed back to the client.
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"""
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types = {
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LoginType.PASSWORD: self.check_password_auth
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}
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if 'auth' not in clientdict:
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defer.returnValue((False, auth_dict_for_flows(flows)))
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authdict = clientdict['auth']
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# In future: support sessions & retrieve previously succeeded
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# login types
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creds = {}
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# check auth type currently being presented
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if 'type' not in authdict:
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raise LoginError(400, "", Codes.MISSING_PARAM)
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if authdict['type'] not in types:
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raise LoginError(400, "", Codes.UNRECOGNIZED)
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result = yield types[authdict['type']](authdict)
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if result:
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creds[authdict['type']] = result
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for f in flows:
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if len(set(f) - set(creds.keys())) == 0:
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logger.info("Auth completed with creds: %r", creds)
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defer.returnValue((True, creds))
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ret = auth_dict_for_flows(flows)
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ret['completed'] = creds.keys()
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defer.returnValue((False, ret))
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@defer.inlineCallbacks
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def check_password_auth(self, authdict):
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if "user" not in authdict or "password" not in authdict:
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raise LoginError(400, "", Codes.MISSING_PARAM)
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user = authdict["user"]
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password = authdict["password"]
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if not user.startswith('@'):
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user = UserID.create(user, self.hs.hostname).to_string()
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user_info = yield self.store.get_user_by_id(user_id=user)
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if not user_info:
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logger.warn("Attempted to login as %s but they do not exist", user)
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raise LoginError(403, "", errcode=Codes.FORBIDDEN)
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stored_hash = user_info[0]["password_hash"]
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if bcrypt.checkpw(password, stored_hash):
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defer.returnValue(user)
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else:
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logger.warn("Failed password login for user %s", user)
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raise LoginError(403, "", errcode=Codes.FORBIDDEN)
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def auth_dict_for_flows(flows):
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return {
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"flows": {"stages": f for f in flows}
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}
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@ -69,48 +69,9 @@ class LoginHandler(BaseHandler):
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raise LoginError(403, "", errcode=Codes.FORBIDDEN)
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raise LoginError(403, "", errcode=Codes.FORBIDDEN)
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@defer.inlineCallbacks
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@defer.inlineCallbacks
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def reset_password(self, user_id, email):
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def set_password(self, user_id, newpassword, token_id=None):
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is_valid = yield self._check_valid_association(user_id, email)
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password_hash = bcrypt.hashpw(newpassword, bcrypt.gensalt())
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logger.info("reset_password user=%s email=%s valid=%s", user_id, email,
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is_valid)
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if is_valid:
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try:
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# send an email out
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emailutils.send_email(
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smtp_server=self.hs.config.email_smtp_server,
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from_addr=self.hs.config.email_from_address,
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to_addr=email,
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subject="Password Reset",
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body="TODO."
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)
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except EmailException as e:
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logger.exception(e)
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@defer.inlineCallbacks
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yield self.store.user_set_password_hash(user_id, password_hash)
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def _check_valid_association(self, user_id, email):
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yield self.store.user_delete_access_tokens_apart_from(user_id, token_id)
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identity = yield self._query_email(email)
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yield self.store.flush_user(user_id)
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if identity and "mxid" in identity:
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if identity["mxid"] == user_id:
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defer.returnValue(True)
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return
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defer.returnValue(False)
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@defer.inlineCallbacks
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def _query_email(self, email):
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http_client = SimpleHttpClient(self.hs)
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try:
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data = yield http_client.get_json(
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# TODO FIXME This should be configurable.
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# XXX: ID servers need to use HTTPS
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"http://%s%s" % (
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"matrix.org:8090", "/_matrix/identity/api/v1/lookup"
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),
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{
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'medium': 'email',
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'address': email
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}
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)
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defer.returnValue(data)
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except CodeMessageException as e:
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data = json.loads(e.msg)
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defer.returnValue(data)
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@ -15,7 +15,8 @@
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from . import (
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from . import (
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sync,
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sync,
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filter
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filter,
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password
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)
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)
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from synapse.http.server import JsonResource
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from synapse.http.server import JsonResource
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@ -32,3 +33,4 @@ class ClientV2AlphaRestResource(JsonResource):
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def register_servlets(client_resource, hs):
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def register_servlets(client_resource, hs):
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sync.register_servlets(hs, client_resource)
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sync.register_servlets(hs, client_resource)
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filter.register_servlets(hs, client_resource)
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filter.register_servlets(hs, client_resource)
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password.register_servlets(hs, client_resource)
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@ -17,9 +17,11 @@
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"""
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"""
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from synapse.api.urls import CLIENT_V2_ALPHA_PREFIX
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from synapse.api.urls import CLIENT_V2_ALPHA_PREFIX
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from synapse.api.errors import SynapseError
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import re
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import re
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import logging
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import logging
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import simplejson
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logger = logging.getLogger(__name__)
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logger = logging.getLogger(__name__)
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@ -36,3 +38,13 @@ def client_v2_pattern(path_regex):
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SRE_Pattern
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SRE_Pattern
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"""
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"""
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return re.compile("^" + CLIENT_V2_ALPHA_PREFIX + path_regex)
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return re.compile("^" + CLIENT_V2_ALPHA_PREFIX + path_regex)
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def parse_json_dict_from_request(request):
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try:
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content = simplejson.loads(request.content.read())
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if type(content) != dict:
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raise SynapseError(400, "Content must be a JSON object.")
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return content
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except simplejson.JSONDecodeError:
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raise SynapseError(400, "Content not JSON.")
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76
synapse/rest/client/v2_alpha/password.py
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76
synapse/rest/client/v2_alpha/password.py
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# -*- coding: utf-8 -*-
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# Copyright 2015 OpenMarket Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from twisted.internet import defer
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from synapse.api.constants import LoginType
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from synapse.api.errors import LoginError, SynapseError, Codes
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from synapse.http.servlet import RestServlet
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from ._base import client_v2_pattern, parse_json_dict_from_request
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import simplejson as json
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import logging
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logger = logging.getLogger(__name__)
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class PasswordRestServlet(RestServlet):
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PATTERN = client_v2_pattern("/account/password")
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def __init__(self, hs):
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super(PasswordRestServlet, self).__init__()
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self.hs = hs
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self.auth = hs.get_auth()
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self.auth_handler = hs.get_handlers().auth_handler
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self.login_handler = hs.get_handlers().login_handler
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@defer.inlineCallbacks
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def on_POST(self, request):
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body = parse_json_dict_from_request(request)
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authed, result = yield self.auth_handler.check_auth([
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[LoginType.PASSWORD]
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], body)
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if not authed:
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defer.returnValue((401, result))
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auth_user = None
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if LoginType.PASSWORD in result:
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# if using password, they should also be logged in
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auth_user, client = yield self.auth.get_user_by_req(request)
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if auth_user.to_string() != result[LoginType.PASSWORD]:
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raise LoginError(400, "", Codes.UNKNOWN)
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else:
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logger.error("Auth succeeded but no known type!", result.keys())
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raise SynapseError(500, "", Codes.UNKNOWN)
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user_id = auth_user.to_string()
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if 'new_password' not in body:
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raise SynapseError(400, "", Codes.MISSING_PARAM)
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new_password = body['new_password']
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self.login_handler.set_password(
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user_id, new_password, client.token_id
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)
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defer.returnValue((200, {}))
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def register_servlets(hs, http_server):
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PasswordRestServlet(hs).register(http_server)
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@ -95,11 +95,36 @@ class RegistrationStore(SQLBaseStore):
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"get_user_by_id", self.cursor_to_dict, query, user_id
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"get_user_by_id", self.cursor_to_dict, query, user_id
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)
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)
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def user_set_password_hash(self, user_id, password_hash):
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"""
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NB. This does *not* evict any cache because the one use for this
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removes most of the entries subsequently anyway so it would be
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pointless. Use flush_user separately.
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"""
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return self._simple_update_one('users', {
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'name': user_id
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}, {
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'password_hash': password_hash
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})
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def user_delete_access_tokens_apart_from(self, user_id, token_id):
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return self._execute(
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"delete_access_tokens_apart_from", None,
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"DELETE FROM access_tokens WHERE user_id = ? AND id != ?",
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user_id, token_id
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)
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@defer.inlineCallbacks
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def flush_user(self, user_id):
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rows = yield self._execute(
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'user_delete_access_tokens_apart_from', None,
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"SELECT token FROM access_tokens WHERE user_id = ?",
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user_id
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)
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for r in rows:
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self.get_user_by_token.invalidate(r)
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@cached()
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@cached()
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# TODO(paul): Currently there's no code to invalidate this cache. That
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# means if/when we ever add internal ways to invalidate access tokens or
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# change whether a user is a server admin, those will need to invoke
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# store.get_user_by_token.invalidate(token)
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def get_user_by_token(self, token):
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def get_user_by_token(self, token):
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"""Get a user from the given access token.
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"""Get a user from the given access token.
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