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Consistently use room_id from federation request body (#8776)
* Consistently use room_id from federation request body Some federation APIs have a redundant `room_id` path param (see https://github.com/matrix-org/matrix-doc/issues/2330). We should make sure we consistently use either the path param or the body param, and the body param is easier. * Kill off some references to "context" Once upon a time, "rooms" were known as "contexts". I think this kills of the last references to "contexts".
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changelog.d/8776.bugfix
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changelog.d/8776.bugfix
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Fix a bug in some federation APIs which could lead to unexpected behaviour if different parameters were set in the URI and the request body.
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@ -49,6 +49,7 @@ from synapse.federation.federation_base import FederationBase, event_from_pdu_js
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from synapse.federation.persistence import TransactionActions
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from synapse.federation.units import Edu, Transaction
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from synapse.http.endpoint import parse_server_name
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from synapse.http.servlet import assert_params_in_dict
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from synapse.logging.context import (
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make_deferred_yieldable,
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nested_logging_context,
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@ -391,7 +392,7 @@ class FederationServer(FederationBase):
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TRANSACTION_CONCURRENCY_LIMIT,
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)
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async def on_context_state_request(
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async def on_room_state_request(
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self, origin: str, room_id: str, event_id: str
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) -> Tuple[int, Dict[str, Any]]:
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origin_host, _ = parse_server_name(origin)
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@ -514,11 +515,12 @@ class FederationServer(FederationBase):
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return {"event": ret_pdu.get_pdu_json(time_now)}
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async def on_send_join_request(
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self, origin: str, content: JsonDict, room_id: str
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self, origin: str, content: JsonDict
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) -> Dict[str, Any]:
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logger.debug("on_send_join_request: content: %s", content)
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room_version = await self.store.get_room_version(room_id)
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assert_params_in_dict(content, ["room_id"])
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room_version = await self.store.get_room_version(content["room_id"])
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pdu = event_from_pdu_json(content, room_version)
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origin_host, _ = parse_server_name(origin)
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@ -547,12 +549,11 @@ class FederationServer(FederationBase):
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time_now = self._clock.time_msec()
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return {"event": pdu.get_pdu_json(time_now), "room_version": room_version}
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async def on_send_leave_request(
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self, origin: str, content: JsonDict, room_id: str
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) -> dict:
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async def on_send_leave_request(self, origin: str, content: JsonDict) -> dict:
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logger.debug("on_send_leave_request: content: %s", content)
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room_version = await self.store.get_room_version(room_id)
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assert_params_in_dict(content, ["room_id"])
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room_version = await self.store.get_room_version(content["room_id"])
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pdu = event_from_pdu_json(content, room_version)
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origin_host, _ = parse_server_name(origin)
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@ -748,12 +749,8 @@ class FederationServer(FederationBase):
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)
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return ret
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async def on_exchange_third_party_invite_request(
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self, room_id: str, event_dict: Dict
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):
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ret = await self.handler.on_exchange_third_party_invite_request(
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room_id, event_dict
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)
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async def on_exchange_third_party_invite_request(self, event_dict: Dict):
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ret = await self.handler.on_exchange_third_party_invite_request(event_dict)
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return ret
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async def check_server_matches_acl(self, server_name: str, room_id: str):
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@ -440,13 +440,13 @@ class FederationEventServlet(BaseFederationServlet):
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class FederationStateV1Servlet(BaseFederationServlet):
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PATH = "/state/(?P<context>[^/]*)/?"
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PATH = "/state/(?P<room_id>[^/]*)/?"
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# This is when someone asks for all data for a given context.
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async def on_GET(self, origin, content, query, context):
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return await self.handler.on_context_state_request(
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# This is when someone asks for all data for a given room.
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async def on_GET(self, origin, content, query, room_id):
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return await self.handler.on_room_state_request(
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origin,
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context,
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room_id,
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parse_string_from_args(query, "event_id", None, required=False),
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)
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@ -463,16 +463,16 @@ class FederationStateIdsServlet(BaseFederationServlet):
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class FederationBackfillServlet(BaseFederationServlet):
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PATH = "/backfill/(?P<context>[^/]*)/?"
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PATH = "/backfill/(?P<room_id>[^/]*)/?"
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async def on_GET(self, origin, content, query, context):
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async def on_GET(self, origin, content, query, room_id):
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versions = [x.decode("ascii") for x in query[b"v"]]
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limit = parse_integer_from_args(query, "limit", None)
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if not limit:
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return 400, {"error": "Did not include limit param"}
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return await self.handler.on_backfill_request(origin, context, versions, limit)
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return await self.handler.on_backfill_request(origin, room_id, versions, limit)
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class FederationQueryServlet(BaseFederationServlet):
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@ -487,9 +487,9 @@ class FederationQueryServlet(BaseFederationServlet):
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class FederationMakeJoinServlet(BaseFederationServlet):
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PATH = "/make_join/(?P<context>[^/]*)/(?P<user_id>[^/]*)"
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PATH = "/make_join/(?P<room_id>[^/]*)/(?P<user_id>[^/]*)"
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async def on_GET(self, origin, _content, query, context, user_id):
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async def on_GET(self, origin, _content, query, room_id, user_id):
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"""
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Args:
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origin (unicode): The authenticated server_name of the calling server
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@ -511,16 +511,16 @@ class FederationMakeJoinServlet(BaseFederationServlet):
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supported_versions = ["1"]
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content = await self.handler.on_make_join_request(
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origin, context, user_id, supported_versions=supported_versions
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origin, room_id, user_id, supported_versions=supported_versions
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)
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return 200, content
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class FederationMakeLeaveServlet(BaseFederationServlet):
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PATH = "/make_leave/(?P<context>[^/]*)/(?P<user_id>[^/]*)"
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PATH = "/make_leave/(?P<room_id>[^/]*)/(?P<user_id>[^/]*)"
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async def on_GET(self, origin, content, query, context, user_id):
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content = await self.handler.on_make_leave_request(origin, context, user_id)
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async def on_GET(self, origin, content, query, room_id, user_id):
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content = await self.handler.on_make_leave_request(origin, room_id, user_id)
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return 200, content
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@ -528,7 +528,7 @@ class FederationV1SendLeaveServlet(BaseFederationServlet):
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PATH = "/send_leave/(?P<room_id>[^/]*)/(?P<event_id>[^/]*)"
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async def on_PUT(self, origin, content, query, room_id, event_id):
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content = await self.handler.on_send_leave_request(origin, content, room_id)
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content = await self.handler.on_send_leave_request(origin, content)
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return 200, (200, content)
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@ -538,43 +538,43 @@ class FederationV2SendLeaveServlet(BaseFederationServlet):
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PREFIX = FEDERATION_V2_PREFIX
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async def on_PUT(self, origin, content, query, room_id, event_id):
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content = await self.handler.on_send_leave_request(origin, content, room_id)
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content = await self.handler.on_send_leave_request(origin, content)
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return 200, content
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class FederationEventAuthServlet(BaseFederationServlet):
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PATH = "/event_auth/(?P<context>[^/]*)/(?P<event_id>[^/]*)"
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PATH = "/event_auth/(?P<room_id>[^/]*)/(?P<event_id>[^/]*)"
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async def on_GET(self, origin, content, query, context, event_id):
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return await self.handler.on_event_auth(origin, context, event_id)
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async def on_GET(self, origin, content, query, room_id, event_id):
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return await self.handler.on_event_auth(origin, room_id, event_id)
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class FederationV1SendJoinServlet(BaseFederationServlet):
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PATH = "/send_join/(?P<context>[^/]*)/(?P<event_id>[^/]*)"
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PATH = "/send_join/(?P<room_id>[^/]*)/(?P<event_id>[^/]*)"
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async def on_PUT(self, origin, content, query, context, event_id):
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# TODO(paul): assert that context/event_id parsed from path actually
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async def on_PUT(self, origin, content, query, room_id, event_id):
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# TODO(paul): assert that room_id/event_id parsed from path actually
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# match those given in content
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content = await self.handler.on_send_join_request(origin, content, context)
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content = await self.handler.on_send_join_request(origin, content)
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return 200, (200, content)
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class FederationV2SendJoinServlet(BaseFederationServlet):
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PATH = "/send_join/(?P<context>[^/]*)/(?P<event_id>[^/]*)"
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PATH = "/send_join/(?P<room_id>[^/]*)/(?P<event_id>[^/]*)"
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PREFIX = FEDERATION_V2_PREFIX
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async def on_PUT(self, origin, content, query, context, event_id):
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# TODO(paul): assert that context/event_id parsed from path actually
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async def on_PUT(self, origin, content, query, room_id, event_id):
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# TODO(paul): assert that room_id/event_id parsed from path actually
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# match those given in content
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content = await self.handler.on_send_join_request(origin, content, context)
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content = await self.handler.on_send_join_request(origin, content)
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return 200, content
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class FederationV1InviteServlet(BaseFederationServlet):
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PATH = "/invite/(?P<context>[^/]*)/(?P<event_id>[^/]*)"
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PATH = "/invite/(?P<room_id>[^/]*)/(?P<event_id>[^/]*)"
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async def on_PUT(self, origin, content, query, context, event_id):
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async def on_PUT(self, origin, content, query, room_id, event_id):
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# We don't get a room version, so we have to assume its EITHER v1 or
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# v2. This is "fine" as the only difference between V1 and V2 is the
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# state resolution algorithm, and we don't use that for processing
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@ -589,12 +589,12 @@ class FederationV1InviteServlet(BaseFederationServlet):
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class FederationV2InviteServlet(BaseFederationServlet):
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PATH = "/invite/(?P<context>[^/]*)/(?P<event_id>[^/]*)"
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PATH = "/invite/(?P<room_id>[^/]*)/(?P<event_id>[^/]*)"
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PREFIX = FEDERATION_V2_PREFIX
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async def on_PUT(self, origin, content, query, context, event_id):
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# TODO(paul): assert that context/event_id parsed from path actually
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async def on_PUT(self, origin, content, query, room_id, event_id):
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# TODO(paul): assert that room_id/event_id parsed from path actually
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# match those given in content
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room_version = content["room_version"]
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@ -616,9 +616,7 @@ class FederationThirdPartyInviteExchangeServlet(BaseFederationServlet):
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PATH = "/exchange_third_party_invite/(?P<room_id>[^/]*)"
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async def on_PUT(self, origin, content, query, room_id):
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content = await self.handler.on_exchange_third_party_invite_request(
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room_id, content
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)
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content = await self.handler.on_exchange_third_party_invite_request(content)
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return 200, content
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@ -55,6 +55,7 @@ from synapse.events import EventBase
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from synapse.events.snapshot import EventContext
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from synapse.events.validator import EventValidator
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from synapse.handlers._base import BaseHandler
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from synapse.http.servlet import assert_params_in_dict
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from synapse.logging.context import (
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make_deferred_yieldable,
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nested_logging_context,
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@ -2686,7 +2687,7 @@ class FederationHandler(BaseHandler):
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)
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async def on_exchange_third_party_invite_request(
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self, room_id: str, event_dict: JsonDict
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self, event_dict: JsonDict
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) -> None:
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"""Handle an exchange_third_party_invite request from a remote server
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@ -2694,12 +2695,11 @@ class FederationHandler(BaseHandler):
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into a normal m.room.member invite.
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Args:
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room_id: The ID of the room.
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event_dict (dict[str, Any]): Dictionary containing the event body.
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event_dict: Dictionary containing the event body.
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"""
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room_version = await self.store.get_room_version_id(room_id)
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assert_params_in_dict(event_dict, ["room_id"])
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room_version = await self.store.get_room_version_id(event_dict["room_id"])
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# NB: event_dict has a particular specced format we might need to fudge
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# if we change event formats too much.
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@ -59,7 +59,6 @@ class FederationTestCase(unittest.HomeserverTestCase):
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)
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d = self.handler.on_exchange_third_party_invite_request(
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room_id=room_id,
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event_dict={
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"type": EventTypes.Member,
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"room_id": room_id,
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