synapse-product/synapse/rest/client/v1/room.py

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# -*- coding: utf-8 -*-
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# Copyright 2014-2016 OpenMarket Ltd
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# Copyright 2018 New Vector Ltd
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#
# 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.
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""" This module contains REST servlets to do with rooms: /rooms/<paths> """
from twisted.internet import defer
from .base import ClientV1RestServlet, client_path_patterns
from synapse.api.errors import SynapseError, Codes, AuthError
from synapse.streams.config import PaginationConfig
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from synapse.api.constants import EventTypes, Membership
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from synapse.api.filtering import Filter
from synapse.types import UserID, RoomID, RoomAlias, ThirdPartyInstanceID
from synapse.events.utils import serialize_event, format_event_for_client_v2
from synapse.http.servlet import (
parse_json_object_from_request, parse_string, parse_integer
)
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import logging
import urllib
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import simplejson as json
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logger = logging.getLogger(__name__)
class RoomCreateRestServlet(ClientV1RestServlet):
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# No PATTERN; we have custom dispatch rules here
def __init__(self, hs):
super(RoomCreateRestServlet, self).__init__(hs)
self.handlers = hs.get_handlers()
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def register(self, http_server):
PATTERNS = "/createRoom"
register_txn_path(self, PATTERNS, http_server)
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# define CORS for all of /rooms in RoomCreateRestServlet for simplicity
http_server.register_paths("OPTIONS",
client_path_patterns("/rooms(?:/.*)?$"),
self.on_OPTIONS)
# define CORS for /createRoom[/txnid]
http_server.register_paths("OPTIONS",
client_path_patterns("/createRoom(?:/.*)?$"),
self.on_OPTIONS)
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def on_PUT(self, request, txn_id):
return self.txns.fetch_or_execute_request(
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request, self.on_POST, request
)
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@defer.inlineCallbacks
def on_POST(self, request):
requester = yield self.auth.get_user_by_req(request)
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handler = self.handlers.room_creation_handler
info = yield handler.create_room(
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requester, self.get_room_config(request)
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)
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defer.returnValue((200, info))
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def get_room_config(self, request):
user_supplied_config = parse_json_object_from_request(request)
return user_supplied_config
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def on_OPTIONS(self, request):
return (200, {})
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# TODO: Needs unit testing for generic events
class RoomStateEventRestServlet(ClientV1RestServlet):
def __init__(self, hs):
super(RoomStateEventRestServlet, self).__init__(hs)
self.handlers = hs.get_handlers()
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self.event_creation_hander = hs.get_event_creation_handler()
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self.room_member_handler = hs.get_room_member_handler()
def register(self, http_server):
# /room/$roomid/state/$eventtype
no_state_key = "/rooms/(?P<room_id>[^/]*)/state/(?P<event_type>[^/]*)$"
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# /room/$roomid/state/$eventtype/$statekey
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state_key = ("/rooms/(?P<room_id>[^/]*)/state/"
"(?P<event_type>[^/]*)/(?P<state_key>[^/]*)$")
http_server.register_paths("GET",
client_path_patterns(state_key),
self.on_GET)
http_server.register_paths("PUT",
client_path_patterns(state_key),
self.on_PUT)
http_server.register_paths("GET",
client_path_patterns(no_state_key),
self.on_GET_no_state_key)
http_server.register_paths("PUT",
client_path_patterns(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, "")
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@defer.inlineCallbacks
def on_GET(self, request, room_id, event_type, state_key):
requester = yield self.auth.get_user_by_req(request, allow_guest=True)
format = parse_string(request, "format", default="content",
allowed_values=["content", "event"])
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msg_handler = self.handlers.message_handler
data = yield msg_handler.get_room_data(
user_id=requester.user.to_string(),
room_id=room_id,
event_type=event_type,
state_key=state_key,
is_guest=requester.is_guest,
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)
if not data:
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raise SynapseError(
404, "Event not found.", errcode=Codes.NOT_FOUND
)
if format == "event":
event = format_event_for_client_v2(data.get_dict())
defer.returnValue((200, event))
elif format == "content":
defer.returnValue((200, data.get_dict()["content"]))
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@defer.inlineCallbacks
def on_PUT(self, request, room_id, event_type, state_key, txn_id=None):
requester = yield self.auth.get_user_by_req(request)
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content = parse_json_object_from_request(request)
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event_dict = {
"type": event_type,
"content": content,
"room_id": room_id,
"sender": requester.user.to_string(),
}
if state_key is not None:
event_dict["state_key"] = state_key
if event_type == EventTypes.Member:
membership = content.get("membership", None)
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event = yield self.room_member_handler.update_membership(
requester,
target=UserID.from_string(state_key),
room_id=room_id,
action=membership,
content=content,
)
else:
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event, context = yield self.event_creation_hander.create_event(
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requester,
event_dict,
token_id=requester.access_token_id,
txn_id=txn_id,
)
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yield self.event_creation_hander.send_nonmember_event(
requester, event, context,
)
ret = {}
if event:
ret = {"event_id": event.event_id}
defer.returnValue((200, ret))
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# TODO: Needs unit testing for generic events + feedback
class RoomSendEventRestServlet(ClientV1RestServlet):
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def __init__(self, hs):
super(RoomSendEventRestServlet, self).__init__(hs)
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self.event_creation_hander = hs.get_event_creation_handler()
def register(self, http_server):
# /rooms/$roomid/send/$event_type[/$txn_id]
PATTERNS = ("/rooms/(?P<room_id>[^/]*)/send/(?P<event_type>[^/]*)")
register_txn_path(self, PATTERNS, http_server, with_get=True)
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@defer.inlineCallbacks
def on_POST(self, request, room_id, event_type, txn_id=None):
requester = yield self.auth.get_user_by_req(request, allow_guest=True)
content = parse_json_object_from_request(request)
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event_dict = {
"type": event_type,
"content": content,
"room_id": room_id,
"sender": requester.user.to_string(),
}
if 'ts' in request.args and requester.app_service:
event_dict['origin_server_ts'] = parse_integer(request, "ts", 0)
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event = yield self.event_creation_hander.create_and_send_nonmember_event(
requester,
event_dict,
txn_id=txn_id,
)
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defer.returnValue((200, {"event_id": event.event_id}))
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def on_GET(self, request, room_id, event_type, txn_id):
return (200, "Not implemented")
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def on_PUT(self, request, room_id, event_type, txn_id):
return self.txns.fetch_or_execute_request(
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request, self.on_POST, request, room_id, event_type, txn_id
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)
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# TODO: Needs unit testing for room ID + alias joins
class JoinRoomAliasServlet(ClientV1RestServlet):
def __init__(self, hs):
super(JoinRoomAliasServlet, self).__init__(hs)
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self.room_member_handler = hs.get_room_member_handler()
def register(self, http_server):
# /join/$room_identifier[/$txn_id]
PATTERNS = ("/join/(?P<room_identifier>[^/]*)")
register_txn_path(self, PATTERNS, http_server)
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@defer.inlineCallbacks
def on_POST(self, request, room_identifier, txn_id=None):
requester = yield self.auth.get_user_by_req(
request,
allow_guest=True,
)
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try:
content = parse_json_object_from_request(request)
except Exception:
# Turns out we used to ignore the body entirely, and some clients
# cheekily send invalid bodies.
content = {}
if RoomID.is_valid(room_identifier):
room_id = room_identifier
try:
remote_room_hosts = request.args["server_name"]
except Exception:
remote_room_hosts = None
elif RoomAlias.is_valid(room_identifier):
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handler = self.room_member_handler
room_alias = RoomAlias.from_string(room_identifier)
room_id, remote_room_hosts = yield handler.lookup_room_alias(room_alias)
room_id = room_id.to_string()
else:
raise SynapseError(400, "%s was not legal room ID or room alias" % (
room_identifier,
))
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yield self.room_member_handler.update_membership(
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requester=requester,
target=requester.user,
room_id=room_id,
action="join",
txn_id=txn_id,
remote_room_hosts=remote_room_hosts,
content=content,
third_party_signed=content.get("third_party_signed", None),
)
defer.returnValue((200, {"room_id": room_id}))
def on_PUT(self, request, room_identifier, txn_id):
return self.txns.fetch_or_execute_request(
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request, self.on_POST, request, room_identifier, txn_id
)
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# TODO: Needs unit testing
class PublicRoomListRestServlet(ClientV1RestServlet):
PATTERNS = client_path_patterns("/publicRooms$")
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@defer.inlineCallbacks
def on_GET(self, request):
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server = parse_string(request, "server", default=None)
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try:
yield self.auth.get_user_by_req(request, allow_guest=True)
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except AuthError as e:
# We allow people to not be authed if they're just looking at our
# room list, but require auth when we proxy the request.
# In both cases we call the auth function, as that has the side
# effect of logging who issued this request if an access token was
# provided.
if server:
raise e
else:
pass
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limit = parse_integer(request, "limit", 0)
since_token = parse_string(request, "since", None)
handler = self.hs.get_room_list_handler()
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if server:
data = yield handler.get_remote_public_room_list(
server,
limit=limit,
since_token=since_token,
)
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else:
data = yield handler.get_local_public_room_list(
limit=limit,
since_token=since_token,
)
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defer.returnValue((200, data))
@defer.inlineCallbacks
def on_POST(self, request):
yield self.auth.get_user_by_req(request, allow_guest=True)
server = parse_string(request, "server", default=None)
content = parse_json_object_from_request(request)
limit = int(content.get("limit", 100))
since_token = content.get("since", None)
search_filter = content.get("filter", None)
include_all_networks = content.get("include_all_networks", False)
third_party_instance_id = content.get("third_party_instance_id", None)
if include_all_networks:
network_tuple = None
if third_party_instance_id is not None:
raise SynapseError(
400, "Can't use include_all_networks with an explicit network"
)
elif third_party_instance_id is None:
network_tuple = ThirdPartyInstanceID(None, None)
else:
network_tuple = ThirdPartyInstanceID.from_string(third_party_instance_id)
handler = self.hs.get_room_list_handler()
if server:
data = yield handler.get_remote_public_room_list(
server,
limit=limit,
since_token=since_token,
search_filter=search_filter,
include_all_networks=include_all_networks,
third_party_instance_id=third_party_instance_id,
)
else:
data = yield handler.get_local_public_room_list(
limit=limit,
since_token=since_token,
search_filter=search_filter,
network_tuple=network_tuple,
)
defer.returnValue((200, data))
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# TODO: Needs unit testing
class RoomMemberListRestServlet(ClientV1RestServlet):
PATTERNS = client_path_patterns("/rooms/(?P<room_id>[^/]*)/members$")
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def __init__(self, hs):
super(RoomMemberListRestServlet, self).__init__(hs)
self.handlers = hs.get_handlers()
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@defer.inlineCallbacks
def on_GET(self, request, room_id):
# TODO support Pagination stream API (limit/tokens)
requester = 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=requester.user.to_string(),
)
chunk = []
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for event in events:
if event["type"] != EventTypes.Member:
continue
chunk.append(event)
defer.returnValue((200, {
"chunk": chunk
}))
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class JoinedRoomMemberListRestServlet(ClientV1RestServlet):
PATTERNS = client_path_patterns("/rooms/(?P<room_id>[^/]*)/joined_members$")
def __init__(self, hs):
super(JoinedRoomMemberListRestServlet, self).__init__(hs)
self.message_handler = hs.get_handlers().message_handler
@defer.inlineCallbacks
def on_GET(self, request, room_id):
requester = yield self.auth.get_user_by_req(request)
users_with_profile = yield self.message_handler.get_joined_members(
requester, room_id,
)
defer.returnValue((200, {
"joined": users_with_profile,
}))
# TODO: Needs better unit testing
class RoomMessageListRestServlet(ClientV1RestServlet):
PATTERNS = client_path_patterns("/rooms/(?P<room_id>[^/]*)/messages$")
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def __init__(self, hs):
super(RoomMessageListRestServlet, self).__init__(hs)
self.handlers = hs.get_handlers()
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@defer.inlineCallbacks
def on_GET(self, request, room_id):
requester = yield self.auth.get_user_by_req(request, allow_guest=True)
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pagination_config = PaginationConfig.from_request(
request, default_limit=10,
)
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as_client_event = "raw" not in request.args
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filter_bytes = request.args.get("filter", None)
if filter_bytes:
filter_json = urllib.unquote(filter_bytes[-1]).decode("UTF-8")
event_filter = Filter(json.loads(filter_json))
else:
event_filter = None
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handler = self.handlers.message_handler
msgs = yield handler.get_messages(
room_id=room_id,
requester=requester,
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pagin_config=pagination_config,
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as_client_event=as_client_event,
event_filter=event_filter,
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)
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defer.returnValue((200, msgs))
# TODO: Needs unit testing
class RoomStateRestServlet(ClientV1RestServlet):
PATTERNS = client_path_patterns("/rooms/(?P<room_id>[^/]*)/state$")
def __init__(self, hs):
super(RoomStateRestServlet, self).__init__(hs)
self.handlers = hs.get_handlers()
@defer.inlineCallbacks
def on_GET(self, request, room_id):
requester = yield self.auth.get_user_by_req(request, allow_guest=True)
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handler = self.handlers.message_handler
# Get all the current state for this room
events = yield handler.get_state_events(
room_id=room_id,
user_id=requester.user.to_string(),
is_guest=requester.is_guest,
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)
defer.returnValue((200, events))
# TODO: Needs unit testing
class RoomInitialSyncRestServlet(ClientV1RestServlet):
PATTERNS = client_path_patterns("/rooms/(?P<room_id>[^/]*)/initialSync$")
def __init__(self, hs):
super(RoomInitialSyncRestServlet, self).__init__(hs)
self.initial_sync_handler = hs.get_initial_sync_handler()
@defer.inlineCallbacks
def on_GET(self, request, room_id):
requester = yield self.auth.get_user_by_req(request, allow_guest=True)
pagination_config = PaginationConfig.from_request(request)
content = yield self.initial_sync_handler.room_initial_sync(
room_id=room_id,
requester=requester,
pagin_config=pagination_config,
)
defer.returnValue((200, content))
class RoomEventServlet(ClientV1RestServlet):
PATTERNS = client_path_patterns(
"/rooms/(?P<room_id>[^/]*)/event/(?P<event_id>[^/]*)$"
)
def __init__(self, hs):
super(RoomEventServlet, self).__init__(hs)
self.clock = hs.get_clock()
self.event_handler = hs.get_event_handler()
@defer.inlineCallbacks
def on_GET(self, request, room_id, event_id):
requester = yield self.auth.get_user_by_req(request)
event = yield self.event_handler.get_event(requester.user, event_id)
time_now = self.clock.time_msec()
if event:
defer.returnValue((200, serialize_event(event, time_now)))
else:
defer.returnValue((404, "Event not found."))
class RoomEventContextServlet(ClientV1RestServlet):
PATTERNS = client_path_patterns(
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"/rooms/(?P<room_id>[^/]*)/context/(?P<event_id>[^/]*)$"
)
def __init__(self, hs):
super(RoomEventContextServlet, self).__init__(hs)
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self.clock = hs.get_clock()
self.handlers = hs.get_handlers()
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@defer.inlineCallbacks
def on_GET(self, request, room_id, event_id):
requester = yield self.auth.get_user_by_req(request, allow_guest=True)
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limit = int(request.args.get("limit", [10])[0])
results = yield self.handlers.room_context_handler.get_event_context(
requester.user,
room_id,
event_id,
limit,
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)
if not results:
raise SynapseError(
404, "Event not found.", errcode=Codes.NOT_FOUND
)
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time_now = self.clock.time_msec()
results["events_before"] = [
serialize_event(event, time_now) for event in results["events_before"]
]
results["event"] = serialize_event(results["event"], time_now)
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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"]
]
defer.returnValue((200, results))
class RoomForgetRestServlet(ClientV1RestServlet):
def __init__(self, hs):
super(RoomForgetRestServlet, self).__init__(hs)
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self.room_member_handler = hs.get_room_member_handler()
def register(self, http_server):
PATTERNS = ("/rooms/(?P<room_id>[^/]*)/forget")
register_txn_path(self, PATTERNS, http_server)
@defer.inlineCallbacks
def on_POST(self, request, room_id, txn_id=None):
requester = yield self.auth.get_user_by_req(
request,
allow_guest=False,
)
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yield self.room_member_handler.forget(
user=requester.user,
room_id=room_id,
)
defer.returnValue((200, {}))
def on_PUT(self, request, room_id, txn_id):
return self.txns.fetch_or_execute_request(
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request, self.on_POST, request, room_id, txn_id
)
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# TODO: Needs unit testing
class RoomMembershipRestServlet(ClientV1RestServlet):
def __init__(self, hs):
super(RoomMembershipRestServlet, self).__init__(hs)
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self.room_member_handler = hs.get_room_member_handler()
def register(self, http_server):
# /rooms/$roomid/[invite|join|leave]
PATTERNS = ("/rooms/(?P<room_id>[^/]*)/"
"(?P<membership_action>join|invite|leave|ban|unban|kick)")
register_txn_path(self, PATTERNS, http_server)
@defer.inlineCallbacks
def on_POST(self, request, room_id, membership_action, txn_id=None):
requester = yield self.auth.get_user_by_req(
request,
allow_guest=True,
)
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if requester.is_guest and membership_action not in {
Membership.JOIN,
Membership.LEAVE
}:
raise AuthError(403, "Guest access not allowed")
try:
content = parse_json_object_from_request(request)
except Exception:
# Turns out we used to ignore the body entirely, and some clients
# cheekily send invalid bodies.
content = {}
if membership_action == "invite" and self._has_3pid_invite_keys(content):
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yield self.room_member_handler.do_3pid_invite(
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room_id,
requester.user,
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content["medium"],
content["address"],
content["id_server"],
requester,
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txn_id
)
defer.returnValue((200, {}))
return
target = requester.user
if membership_action in ["invite", "ban", "unban", "kick"]:
if "user_id" not in content:
raise SynapseError(400, "Missing user_id key.")
target = UserID.from_string(content["user_id"])
event_content = None
if 'reason' in content and membership_action in ['kick', 'ban']:
event_content = {'reason': content['reason']}
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yield self.room_member_handler.update_membership(
requester=requester,
target=target,
room_id=room_id,
action=membership_action,
txn_id=txn_id,
third_party_signed=content.get("third_party_signed", None),
content=event_content,
)
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
def on_PUT(self, request, room_id, membership_action, txn_id):
return self.txns.fetch_or_execute_request(
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request, self.on_POST, request, room_id, membership_action, txn_id
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)
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class RoomRedactEventRestServlet(ClientV1RestServlet):
def __init__(self, hs):
super(RoomRedactEventRestServlet, self).__init__(hs)
self.handlers = hs.get_handlers()
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self.event_creation_handler = hs.get_event_creation_handler()
def register(self, http_server):
PATTERNS = ("/rooms/(?P<room_id>[^/]*)/redact/(?P<event_id>[^/]*)")
register_txn_path(self, PATTERNS, http_server)
@defer.inlineCallbacks
def on_POST(self, request, room_id, event_id, txn_id=None):
requester = yield self.auth.get_user_by_req(request)
content = parse_json_object_from_request(request)
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event = yield self.event_creation_handler.create_and_send_nonmember_event(
requester,
{
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"type": EventTypes.Redaction,
"content": content,
"room_id": room_id,
"sender": requester.user.to_string(),
"redacts": event_id,
},
txn_id=txn_id,
)
defer.returnValue((200, {"event_id": event.event_id}))
def on_PUT(self, request, room_id, event_id, txn_id):
return self.txns.fetch_or_execute_request(
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request, self.on_POST, request, room_id, event_id, txn_id
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)
class RoomTypingRestServlet(ClientV1RestServlet):
PATTERNS = client_path_patterns(
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"/rooms/(?P<room_id>[^/]*)/typing/(?P<user_id>[^/]*)$"
)
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def __init__(self, hs):
super(RoomTypingRestServlet, self).__init__(hs)
self.presence_handler = hs.get_presence_handler()
self.typing_handler = hs.get_typing_handler()
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@defer.inlineCallbacks
def on_PUT(self, request, room_id, user_id):
requester = yield self.auth.get_user_by_req(request)
room_id = urllib.unquote(room_id)
target_user = UserID.from_string(urllib.unquote(user_id))
content = parse_json_object_from_request(request)
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yield self.presence_handler.bump_presence_active_time(requester.user)
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# Limit timeout to stop people from setting silly typing timeouts.
timeout = min(content.get("timeout", 30000), 120000)
if content["typing"]:
yield self.typing_handler.started_typing(
target_user=target_user,
auth_user=requester.user,
room_id=room_id,
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timeout=timeout,
)
else:
yield self.typing_handler.stopped_typing(
target_user=target_user,
auth_user=requester.user,
room_id=room_id,
)
defer.returnValue((200, {}))
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class SearchRestServlet(ClientV1RestServlet):
PATTERNS = client_path_patterns(
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"/search$"
)
def __init__(self, hs):
super(SearchRestServlet, self).__init__(hs)
self.handlers = hs.get_handlers()
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@defer.inlineCallbacks
def on_POST(self, request):
requester = yield self.auth.get_user_by_req(request)
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content = parse_json_object_from_request(request)
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batch = request.args.get("next_batch", [None])[0]
results = yield self.handlers.search_handler.search(
requester.user,
content,
batch,
)
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defer.returnValue((200, results))
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class JoinedRoomsRestServlet(ClientV1RestServlet):
PATTERNS = client_path_patterns("/joined_rooms$")
def __init__(self, hs):
super(JoinedRoomsRestServlet, self).__init__(hs)
self.store = hs.get_datastore()
@defer.inlineCallbacks
def on_GET(self, request):
requester = yield self.auth.get_user_by_req(request, allow_guest=True)
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room_ids = yield self.store.get_rooms_for_user(requester.user.to_string())
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defer.returnValue((200, {"joined_rooms": list(room_ids)}))
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_paths(
"POST",
client_path_patterns(regex_string + "$"),
servlet.on_POST
)
http_server.register_paths(
"PUT",
client_path_patterns(regex_string + "/(?P<txn_id>[^/]*)$"),
servlet.on_PUT
)
if with_get:
http_server.register_paths(
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"GET",
client_path_patterns(regex_string + "/(?P<txn_id>[^/]*)$"),
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servlet.on_GET
)
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def register_servlets(hs, http_server):
RoomStateEventRestServlet(hs).register(http_server)
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RoomCreateRestServlet(hs).register(http_server)
RoomMemberListRestServlet(hs).register(http_server)
JoinedRoomMemberListRestServlet(hs).register(http_server)
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RoomMessageListRestServlet(hs).register(http_server)
JoinRoomAliasServlet(hs).register(http_server)
RoomForgetRestServlet(hs).register(http_server)
RoomMembershipRestServlet(hs).register(http_server)
RoomSendEventRestServlet(hs).register(http_server)
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PublicRoomListRestServlet(hs).register(http_server)
RoomStateRestServlet(hs).register(http_server)
RoomInitialSyncRestServlet(hs).register(http_server)
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RoomRedactEventRestServlet(hs).register(http_server)
RoomTypingRestServlet(hs).register(http_server)
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SearchRestServlet(hs).register(http_server)
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JoinedRoomsRestServlet(hs).register(http_server)
RoomEventServlet(hs).register(http_server)
RoomEventContextServlet(hs).register(http_server)