anonymousland-synapse/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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#
# 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
from synapse.types import UserID, RoomID, RoomAlias
from synapse.events.utils import serialize_event
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import simplejson as json
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import logging
import urllib
logger = logging.getLogger(__name__)
class RoomCreateRestServlet(ClientV1RestServlet):
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# No PATTERN; we have custom dispatch rules here
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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@defer.inlineCallbacks
def on_PUT(self, request, txn_id):
try:
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defer.returnValue(
self.txns.get_client_transaction(request, txn_id)
)
except KeyError:
pass
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response = yield self.on_POST(request)
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self.txns.store_client_transaction(request, txn_id, response)
defer.returnValue(response)
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@defer.inlineCallbacks
def on_POST(self, request):
requester = yield self.auth.get_user_by_req(request)
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room_config = self.get_room_config(request)
info = yield self.make_room(
room_config,
requester.user,
None,
)
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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, {})
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# TODO: Needs unit testing for generic events
class RoomStateEventRestServlet(ClientV1RestServlet):
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)
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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
)
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(request)
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
msg_handler = self.handlers.message_handler
yield msg_handler.create_and_send_event(
event_dict, token_id=requester.access_token_id, txn_id=txn_id,
)
defer.returnValue((200, {}))
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# TODO: Needs unit testing for generic events + feedback
class RoomSendEventRestServlet(ClientV1RestServlet):
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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)
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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": requester.user.to_string(),
},
token_id=requester.access_token_id,
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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@defer.inlineCallbacks
def on_PUT(self, request, room_id, event_type, txn_id):
try:
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defer.returnValue(
self.txns.get_client_transaction(request, txn_id)
)
except KeyError:
pass
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response = yield self.on_POST(request, room_id, event_type, txn_id)
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self.txns.store_client_transaction(request, txn_id, response)
defer.returnValue(response)
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# TODO: Needs unit testing for room ID + alias joins
class JoinRoomAliasServlet(ClientV1RestServlet):
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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# 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.
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identifier = None
is_room_alias = False
try:
identifier = RoomAlias.from_string(room_identifier)
is_room_alias = True
except SynapseError:
identifier = RoomID.from_string(room_identifier)
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# TODO: Support for specifying the home server to join with?
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if is_room_alias:
handler = self.handlers.room_member_handler
ret_dict = yield handler.join_room_alias(
requester.user,
identifier,
)
defer.returnValue((200, ret_dict))
else: # room id
msg_handler = self.handlers.message_handler
content = {"membership": Membership.JOIN}
if requester.is_guest:
content["kind"] = "guest"
yield msg_handler.create_and_send_event(
{
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"type": EventTypes.Member,
"content": content,
"room_id": identifier.to_string(),
"sender": requester.user.to_string(),
"state_key": requester.user.to_string(),
},
token_id=requester.access_token_id,
txn_id=txn_id,
is_guest=requester.is_guest,
)
defer.returnValue((200, {"room_id": identifier.to_string()}))
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@defer.inlineCallbacks
def on_PUT(self, request, room_identifier, txn_id):
try:
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defer.returnValue(
self.txns.get_client_transaction(request, txn_id)
)
except KeyError:
pass
response = yield self.on_POST(request, room_identifier, txn_id)
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self.txns.store_client_transaction(request, txn_id, response)
defer.returnValue(response)
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# TODO: Needs unit testing
class PublicRoomListRestServlet(ClientV1RestServlet):
PATTERNS = client_path_patterns("/publicRooms$")
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@defer.inlineCallbacks
def on_GET(self, request):
handler = self.handlers.room_list_handler
data = yield handler.get_public_room_list()
defer.returnValue((200, data))
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# TODO: Needs unit testing
class RoomMemberListRestServlet(ClientV1RestServlet):
PATTERNS = client_path_patterns("/rooms/(?P<room_id>[^/]*)/members$")
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@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)
# 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
try:
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presence_handler = self.handlers.presence_handler
presence_state = yield presence_handler.get_state(
target_user=target_user,
auth_user=requester.user,
)
event["content"].update(presence_state)
except:
pass
defer.returnValue((200, {
"chunk": chunk
}))
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# TODO: Needs better unit testing
class RoomMessageListRestServlet(ClientV1RestServlet):
PATTERNS = client_path_patterns("/rooms/(?P<room_id>[^/]*)/messages$")
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@defer.inlineCallbacks
def on_GET(self, request, room_id):
requester = yield self.auth.get_user_by_req(request, allow_guest=True)
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pagination_config = PaginationConfig.from_request(
request, default_limit=10,
)
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as_client_event = "raw" not in request.args
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handler = self.handlers.message_handler
msgs = yield handler.get_messages(
room_id=room_id,
user_id=requester.user.to_string(),
is_guest=requester.is_guest,
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pagin_config=pagination_config,
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as_client_event=as_client_event
)
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defer.returnValue((200, msgs))
# TODO: Needs unit testing
class RoomStateRestServlet(ClientV1RestServlet):
PATTERNS = client_path_patterns("/rooms/(?P<room_id>[^/]*)/state$")
@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$")
@defer.inlineCallbacks
def on_GET(self, request, room_id):
requester = yield self.auth.get_user_by_req(request, allow_guest=True)
pagination_config = PaginationConfig.from_request(request)
content = yield self.handlers.message_handler.room_initial_sync(
room_id=room_id,
user_id=requester.user.to_string(),
pagin_config=pagination_config,
is_guest=requester.is_guest,
)
defer.returnValue((200, content))
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class RoomEventContext(ClientV1RestServlet):
PATTERNS = client_path_patterns(
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"/rooms/(?P<room_id>[^/]*)/context/(?P<event_id>[^/]*)$"
)
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):
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,
requester.is_guest,
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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"]
]
logger.info("Responding with %r", results)
defer.returnValue((200, results))
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# TODO: Needs unit testing
class RoomMembershipRestServlet(ClientV1RestServlet):
def register(self, http_server):
# /rooms/$roomid/[invite|join|leave]
PATTERNS = ("/rooms/(?P<room_id>[^/]*)/"
"(?P<membership_action>join|invite|leave|ban|unban|kick|forget)")
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")
content = _parse_json(request)
if membership_action == "invite" and self._has_3pid_invite_keys(content):
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yield self.handlers.room_member_handler.do_3pid_invite(
room_id,
requester.user,
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content["medium"],
content["address"],
content["id_server"],
requester.access_token_id,
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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"])
yield self.handlers.room_member_handler.update_membership(
requester=requester,
target=target,
room_id=room_id,
action=membership_action,
txn_id=txn_id,
)
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:
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defer.returnValue(
self.txns.get_client_transaction(request, txn_id)
)
except KeyError:
pass
response = yield self.on_POST(
request, room_id, membership_action, txn_id
)
self.txns.store_client_transaction(request, txn_id, response)
defer.returnValue(response)
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class RoomRedactEventRestServlet(ClientV1RestServlet):
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(request)
msg_handler = self.handlers.message_handler
event = yield msg_handler.create_and_send_event(
{
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"type": EventTypes.Redaction,
"content": content,
"room_id": room_id,
"sender": requester.user.to_string(),
"redacts": event_id,
},
token_id=requester.access_token_id,
txn_id=txn_id,
)
defer.returnValue((200, {"event_id": event.event_id}))
@defer.inlineCallbacks
def on_PUT(self, request, room_id, event_id, txn_id):
try:
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defer.returnValue(
self.txns.get_client_transaction(request, txn_id)
)
except KeyError:
pass
response = yield self.on_POST(request, room_id, event_id, txn_id)
self.txns.store_client_transaction(request, txn_id, response)
defer.returnValue(response)
class RoomTypingRestServlet(ClientV1RestServlet):
PATTERNS = client_path_patterns(
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"/rooms/(?P<room_id>[^/]*)/typing/(?P<user_id>[^/]*)$"
)
@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(request)
typing_handler = self.handlers.typing_notification_handler
if content["typing"]:
yield typing_handler.started_typing(
target_user=target_user,
auth_user=requester.user,
room_id=room_id,
timeout=content.get("timeout", 30000),
)
else:
yield 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$"
)
@defer.inlineCallbacks
def on_POST(self, request):
requester = yield self.auth.get_user_by_req(request)
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content = _parse_json(request)
batch = request.args.get("next_batch", [None])[0]
results = yield self.handlers.search_handler.search(
requester.user,
content,
batch,
)
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defer.returnValue((200, results))
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def _parse_json(request):
try:
content = json.loads(request.content.read())
if type(content) != dict:
raise SynapseError(400, "Content must be a JSON object.",
errcode=Codes.NOT_JSON)
return content
except ValueError:
raise SynapseError(400, "Content not JSON.", errcode=Codes.NOT_JSON)
def register_txn_path(servlet, regex_string, http_server, with_get=False):
"""Registers a transaction-based path.
This registers two paths:
PUT regex_string/$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_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)
RoomMessageListRestServlet(hs).register(http_server)
JoinRoomAliasServlet(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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RoomEventContext(hs).register(http_server)