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synapse/synapse/rest/room.py
2015-01-08 14:37:55 +00:00

559 lines
19 KiB
Python

# -*- coding: utf-8 -*-
# Copyright 2014, 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.
""" This module contains REST servlets to do with rooms: /rooms/<paths> """
from twisted.internet import defer
from base import RestServlet, client_path_pattern
from synapse.api.errors import SynapseError, Codes
from synapse.streams.config import PaginationConfig
from synapse.api.constants import EventTypes, Membership
import json
import logging
import urllib
logger = logging.getLogger(__name__)
class RoomCreateRestServlet(RestServlet):
# No PATTERN; we have custom dispatch rules here
def register(self, http_server):
PATTERN = "/createRoom"
register_txn_path(self, PATTERN, http_server)
# define CORS for all of /rooms in RoomCreateRestServlet for simplicity
http_server.register_path("OPTIONS",
client_path_pattern("/rooms(?:/.*)?$"),
self.on_OPTIONS)
# define CORS for /createRoom[/txnid]
http_server.register_path("OPTIONS",
client_path_pattern("/createRoom(?:/.*)?$"),
self.on_OPTIONS)
@defer.inlineCallbacks
def on_PUT(self, request, txn_id):
try:
defer.returnValue(
self.txns.get_client_transaction(request, txn_id)
)
except KeyError:
pass
response = yield self.on_POST(request)
self.txns.store_client_transaction(request, txn_id, response)
defer.returnValue(response)
@defer.inlineCallbacks
def on_POST(self, 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)
room_config.update(info)
defer.returnValue((200, info))
@defer.inlineCallbacks
def make_room(self, room_config, auth_user, room_id):
handler = self.handlers.room_creation_handler
info = yield handler.create_room(
user_id=auth_user.to_string(),
room_id=room_id,
config=room_config
)
defer.returnValue(info)
def get_room_config(self, request):
try:
user_supplied_config = json.loads(request.content.read())
if "visibility" not in user_supplied_config:
# default visibility
user_supplied_config["visibility"] = "public"
return user_supplied_config
except (ValueError, TypeError):
raise SynapseError(400, "Body must be JSON.",
errcode=Codes.BAD_JSON)
def on_OPTIONS(self, request):
return (200, {})
# TODO: Needs unit testing for generic events
class RoomStateEventRestServlet(RestServlet):
def register(self, http_server):
# /room/$roomid/state/$eventtype
no_state_key = "/rooms/(?P<room_id>[^/]*)/state/(?P<event_type>[^/]*)$"
# /room/$roomid/state/$eventtype/$statekey
state_key = ("/rooms/(?P<room_id>[^/]*)/state/"
"(?P<event_type>[^/]*)/(?P<state_key>[^/]*)$")
http_server.register_path("GET",
client_path_pattern(state_key),
self.on_GET)
http_server.register_path("PUT",
client_path_pattern(state_key),
self.on_PUT)
http_server.register_path("GET",
client_path_pattern(no_state_key),
self.on_GET_no_state_key)
http_server.register_path("PUT",
client_path_pattern(no_state_key),
self.on_PUT_no_state_key)
def on_GET_no_state_key(self, request, room_id, event_type):
return self.on_GET(request, room_id, event_type, "")
def on_PUT_no_state_key(self, request, room_id, event_type):
return self.on_PUT(request, room_id, event_type, "")
@defer.inlineCallbacks
def on_GET(self, request, room_id, event_type, state_key):
user = yield self.auth.get_user_by_req(request)
msg_handler = self.handlers.message_handler
data = yield msg_handler.get_room_data(
user_id=user.to_string(),
room_id=room_id,
event_type=event_type,
state_key=state_key,
)
if not data:
raise SynapseError(
404, "Event not found.", errcode=Codes.NOT_FOUND
)
defer.returnValue((200, data.get_dict()["content"]))
@defer.inlineCallbacks
def on_PUT(self, request, room_id, event_type, state_key):
user = yield self.auth.get_user_by_req(request)
content = _parse_json(request)
event_dict = {
"type": event_type,
"content": content,
"room_id": room_id,
"sender": user.to_string(),
}
if state_key is not None:
event_dict["state_key"] = state_key
msg_handler = self.handlers.message_handler
yield msg_handler.create_and_send_event(event_dict)
defer.returnValue((200, {}))
# TODO: Needs unit testing for generic events + feedback
class RoomSendEventRestServlet(RestServlet):
def register(self, http_server):
# /rooms/$roomid/send/$event_type[/$txn_id]
PATTERN = ("/rooms/(?P<room_id>[^/]*)/send/(?P<event_type>[^/]*)")
register_txn_path(self, PATTERN, http_server, with_get=True)
@defer.inlineCallbacks
def on_POST(self, request, room_id, event_type):
user = yield self.auth.get_user_by_req(request)
content = _parse_json(request)
msg_handler = self.handlers.message_handler
event = yield msg_handler.create_and_send_event(
{
"type": event_type,
"content": content,
"room_id": room_id,
"sender": user.to_string(),
}
)
defer.returnValue((200, {"event_id": event.event_id}))
def on_GET(self, request, room_id, event_type, txn_id):
return (200, "Not implemented")
@defer.inlineCallbacks
def on_PUT(self, request, room_id, event_type, txn_id):
try:
defer.returnValue(
self.txns.get_client_transaction(request, txn_id)
)
except KeyError:
pass
response = yield self.on_POST(request, room_id, event_type)
self.txns.store_client_transaction(request, txn_id, response)
defer.returnValue(response)
# TODO: Needs unit testing for room ID + alias joins
class JoinRoomAliasServlet(RestServlet):
def register(self, http_server):
# /join/$room_identifier[/$txn_id]
PATTERN = ("/join/(?P<room_identifier>[^/]*)")
register_txn_path(self, PATTERN, http_server)
@defer.inlineCallbacks
def on_POST(self, request, room_identifier):
user = yield self.auth.get_user_by_req(request)
# 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
# SynapseErrors.
identifier = None
is_room_alias = False
try:
identifier = self.hs.parse_roomalias(room_identifier)
is_room_alias = True
except SynapseError:
identifier = self.hs.parse_roomid(room_identifier)
# TODO: Support for specifying the home server to join with?
if is_room_alias:
handler = self.handlers.room_member_handler
ret_dict = yield handler.join_room_alias(user, identifier)
defer.returnValue((200, ret_dict))
else: # room id
msg_handler = self.handlers.message_handler
yield msg_handler.create_and_send_event(
{
"type": EventTypes.Member,
"content": {"membership": Membership.JOIN},
"room_id": identifier.to_string(),
"sender": user.to_string(),
"state_key": user.to_string(),
}
)
defer.returnValue((200, {}))
@defer.inlineCallbacks
def on_PUT(self, request, room_identifier, txn_id):
try:
defer.returnValue(
self.txns.get_client_transaction(request, txn_id)
)
except KeyError:
pass
response = yield self.on_POST(request, room_identifier)
self.txns.store_client_transaction(request, txn_id, response)
defer.returnValue(response)
# TODO: Needs unit testing
class PublicRoomListRestServlet(RestServlet):
PATTERN = client_path_pattern("/publicRooms$")
@defer.inlineCallbacks
def on_GET(self, request):
handler = self.handlers.room_list_handler
data = yield handler.get_public_room_list()
defer.returnValue((200, data))
# TODO: Needs unit testing
class RoomMemberListRestServlet(RestServlet):
PATTERN = client_path_pattern("/rooms/(?P<room_id>[^/]*)/members$")
@defer.inlineCallbacks
def on_GET(self, request, room_id):
# TODO support Pagination stream API (limit/tokens)
user = yield self.auth.get_user_by_req(request)
handler = self.handlers.room_member_handler
members = yield handler.get_room_members_as_pagination_chunk(
room_id=room_id,
user_id=user.to_string())
for event in members["chunk"]:
# FIXME: should probably be state_key here, not user_id
target_user = self.hs.parse_userid(event["user_id"])
# Presence is an optional cache; don't fail if we can't fetch it
try:
presence_handler = self.handlers.presence_handler
presence_state = yield presence_handler.get_state(
target_user=target_user, auth_user=user
)
event["content"].update(presence_state)
except:
pass
defer.returnValue((200, members))
# TODO: Needs unit testing
class RoomMessageListRestServlet(RestServlet):
PATTERN = client_path_pattern("/rooms/(?P<room_id>[^/]*)/messages$")
@defer.inlineCallbacks
def on_GET(self, request, room_id):
user = yield self.auth.get_user_by_req(request)
pagination_config = PaginationConfig.from_request(
request, default_limit=10,
)
with_feedback = "feedback" in request.args
as_client_event = "raw" not in request.args
handler = self.handlers.message_handler
msgs = yield handler.get_messages(
room_id=room_id,
user_id=user.to_string(),
pagin_config=pagination_config,
feedback=with_feedback,
as_client_event=as_client_event
)
defer.returnValue((200, msgs))
# TODO: Needs unit testing
class RoomStateRestServlet(RestServlet):
PATTERN = client_path_pattern("/rooms/(?P<room_id>[^/]*)/state$")
@defer.inlineCallbacks
def on_GET(self, request, room_id):
user = yield self.auth.get_user_by_req(request)
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(),
)
defer.returnValue((200, events))
# TODO: Needs unit testing
class RoomInitialSyncRestServlet(RestServlet):
PATTERN = client_path_pattern("/rooms/(?P<room_id>[^/]*)/initialSync$")
@defer.inlineCallbacks
def on_GET(self, request, room_id):
user = yield self.auth.get_user_by_req(request)
pagination_config = PaginationConfig.from_request(request)
content = yield self.handlers.message_handler.room_initial_sync(
room_id=room_id,
user_id=user.to_string(),
pagin_config=pagination_config,
)
defer.returnValue((200, content))
class RoomTriggerBackfill(RestServlet):
PATTERN = client_path_pattern("/rooms/(?P<room_id>[^/]*)/backfill$")
@defer.inlineCallbacks
def on_GET(self, request, room_id):
remote_server = urllib.unquote(
request.args["remote"][0]
).decode("UTF-8")
limit = int(request.args["limit"][0])
handler = self.handlers.federation_handler
events = yield handler.backfill(remote_server, room_id, limit)
res = [self.hs.serialize_event(event) for event in events]
defer.returnValue((200, res))
# TODO: Needs unit testing
class RoomMembershipRestServlet(RestServlet):
def register(self, http_server):
# /rooms/$roomid/[invite|join|leave]
PATTERN = ("/rooms/(?P<room_id>[^/]*)/"
"(?P<membership_action>join|invite|leave|ban|kick)")
register_txn_path(self, PATTERN, http_server)
@defer.inlineCallbacks
def on_POST(self, request, room_id, membership_action):
user = yield self.auth.get_user_by_req(request)
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:
raise SynapseError(400, "Missing user_id key.")
state_key = content["user_id"]
if membership_action == "kick":
membership_action = "leave"
msg_handler = self.handlers.message_handler
yield msg_handler.create_and_send_event(
{
"type": EventTypes.Member,
"content": {"membership": unicode(membership_action)},
"room_id": room_id,
"sender": user.to_string(),
"state_key": state_key,
}
)
defer.returnValue((200, {}))
@defer.inlineCallbacks
def on_PUT(self, request, room_id, membership_action, txn_id):
try:
defer.returnValue(
self.txns.get_client_transaction(request, txn_id)
)
except KeyError:
pass
response = yield self.on_POST(request, room_id, membership_action)
self.txns.store_client_transaction(request, txn_id, response)
defer.returnValue(response)
class RoomRedactEventRestServlet(RestServlet):
def register(self, http_server):
PATTERN = ("/rooms/(?P<room_id>[^/]*)/redact/(?P<event_id>[^/]*)")
register_txn_path(self, PATTERN, http_server)
@defer.inlineCallbacks
def on_POST(self, request, room_id, event_id):
user = yield self.auth.get_user_by_req(request)
content = _parse_json(request)
msg_handler = self.handlers.message_handler
event = yield msg_handler.create_and_send_event(
{
"type": EventTypes.Redaction,
"content": content,
"room_id": room_id,
"sender": user.to_string(),
"redacts": event_id,
}
)
defer.returnValue((200, {"event_id": event.event_id}))
@defer.inlineCallbacks
def on_PUT(self, request, room_id, event_id, txn_id):
try:
defer.returnValue(
self.txns.get_client_transaction(request, txn_id)
)
except KeyError:
pass
response = yield self.on_POST(request, room_id, event_id)
self.txns.store_client_transaction(request, txn_id, response)
defer.returnValue(response)
class RoomTypingRestServlet(RestServlet):
PATTERN = client_path_pattern(
"/rooms/(?P<room_id>[^/]*)/typing/(?P<user_id>[^/]*)$"
)
@defer.inlineCallbacks
def on_PUT(self, request, room_id, user_id):
auth_user = yield self.auth.get_user_by_req(request)
room_id = urllib.unquote(room_id)
target_user = self.hs.parse_userid(urllib.unquote(user_id))
content = _parse_json(request)
typing_handler = self.handlers.typing_notification_handler
if content["typing"]:
yield typing_handler.started_typing(
target_user=target_user,
auth_user=auth_user,
room_id=room_id,
timeout=content.get("timeout", 30000),
)
else:
yield typing_handler.stopped_typing(
target_user=target_user,
auth_user=auth_user,
room_id=room_id,
)
defer.returnValue((200, {}))
def _parse_json(request):
try:
content = json.loads(request.content.read())
if type(content) != dict:
raise SynapseError(400, "Content must be a JSON object.",
errcode=Codes.NOT_JSON)
return content
except ValueError:
raise SynapseError(400, "Content not JSON.", errcode=Codes.NOT_JSON)
def register_txn_path(servlet, regex_string, http_server, with_get=False):
"""Registers a transaction-based path.
This registers two paths:
PUT regex_string/$txnid
POST regex_string
Args:
regex_string (str): The regex string to register. Must NOT have a
trailing $ as this string will be appended to.
http_server : The http_server to register paths with.
with_get: True to also register respective GET paths for the PUTs.
"""
http_server.register_path(
"POST",
client_path_pattern(regex_string + "$"),
servlet.on_POST
)
http_server.register_path(
"PUT",
client_path_pattern(regex_string + "/(?P<txn_id>[^/]*)$"),
servlet.on_PUT
)
if with_get:
http_server.register_path(
"GET",
client_path_pattern(regex_string + "/(?P<txn_id>[^/]*)$"),
servlet.on_GET
)
def register_servlets(hs, http_server):
RoomStateEventRestServlet(hs).register(http_server)
RoomCreateRestServlet(hs).register(http_server)
RoomMemberListRestServlet(hs).register(http_server)
RoomMessageListRestServlet(hs).register(http_server)
JoinRoomAliasServlet(hs).register(http_server)
RoomTriggerBackfill(hs).register(http_server)
RoomMembershipRestServlet(hs).register(http_server)
RoomSendEventRestServlet(hs).register(http_server)
PublicRoomListRestServlet(hs).register(http_server)
RoomStateRestServlet(hs).register(http_server)
RoomInitialSyncRestServlet(hs).register(http_server)
RoomRedactEventRestServlet(hs).register(http_server)
RoomTypingRestServlet(hs).register(http_server)