diff options
Diffstat (limited to 'synapse/handlers/message.py')
| -rw-r--r-- | synapse/handlers/message.py | 61 |
1 files changed, 29 insertions, 32 deletions
diff --git a/synapse/handlers/message.py b/synapse/handlers/message.py index a7cd779b02..3981fe69ce 100644 --- a/synapse/handlers/message.py +++ b/synapse/handlers/message.py @@ -22,7 +22,7 @@ from canonicaljson import encode_canonical_json, json from twisted.internet import defer from twisted.internet.defer import succeed -from synapse.api.constants import MAX_DEPTH, EventTypes, Membership +from synapse.api.constants import EventTypes, Membership, RoomVersions from synapse.api.errors import ( AuthError, Codes, @@ -31,7 +31,6 @@ from synapse.api.errors import ( SynapseError, ) from synapse.api.urls import ConsentURIBuilder -from synapse.crypto.event_signing import add_hashes_and_signatures from synapse.events.utils import serialize_event from synapse.events.validator import EventValidator from synapse.replication.http.send_event import ReplicationSendEventRestServlet @@ -278,9 +277,17 @@ class EventCreationHandler(object): """ yield self.auth.check_auth_blocking(requester.user.to_string()) - builder = self.event_builder_factory.new(event_dict) + if event_dict["type"] == EventTypes.Create and event_dict["state_key"] == "": + room_version = event_dict["content"]["room_version"] + else: + try: + room_version = yield self.store.get_room_version(event_dict["room_id"]) + except NotFoundError: + raise AuthError(403, "Unknown room") - self.validator.validate_new(builder) + builder = self.event_builder_factory.new(room_version, event_dict) + + self.validator.validate_builder(builder) if builder.type == EventTypes.Member: membership = builder.content.get("membership", None) @@ -318,6 +325,8 @@ class EventCreationHandler(object): prev_events_and_hashes=prev_events_and_hashes, ) + self.validator.validate_new(event) + defer.returnValue((event, context)) def _is_exempt_from_privacy_policy(self, builder, requester): @@ -535,40 +544,19 @@ class EventCreationHandler(object): prev_events_and_hashes = \ yield self.store.get_prev_events_for_room(builder.room_id) - if prev_events_and_hashes: - depth = max([d for _, _, d in prev_events_and_hashes]) + 1 - # we cap depth of generated events, to ensure that they are not - # rejected by other servers (and so that they can be persisted in - # the db) - depth = min(depth, MAX_DEPTH) - else: - depth = 1 - prev_events = [ (event_id, prev_hashes) for event_id, prev_hashes, _ in prev_events_and_hashes ] - builder.prev_events = prev_events - builder.depth = depth - - context = yield self.state.compute_event_context(builder) + event = yield builder.build( + prev_event_ids=[p for p, _ in prev_events], + ) + context = yield self.state.compute_event_context(event) if requester: context.app_service = requester.app_service - if builder.is_state(): - builder.prev_state = yield self.store.add_event_hashes( - context.prev_state_events - ) - - yield self.auth.add_auth_events(builder, context) - - signing_key = self.hs.config.signing_key[0] - add_hashes_and_signatures( - builder, self.server_name, signing_key - ) - - event = builder.build() + self.validator.validate_new(event) logger.debug( "Created event %s", @@ -603,8 +591,13 @@ class EventCreationHandler(object): extra_users (list(UserID)): Any extra users to notify about event """ + if event.is_state() and (event.type, event.state_key) == (EventTypes.Create, ""): + room_version = event.content.get("room_version", RoomVersions.V1) + else: + room_version = yield self.store.get_room_version(event.room_id) + try: - yield self.auth.check_from_context(event, context) + yield self.auth.check_from_context(room_version, event, context) except AuthError as err: logger.warn("Denying new event %r because %s", event, err) raise err @@ -752,7 +745,8 @@ class EventCreationHandler(object): auth_events = { (e.type, e.state_key): e for e in auth_events.values() } - if self.auth.check_redaction(event, auth_events=auth_events): + room_version = yield self.store.get_room_version(event.room_id) + if self.auth.check_redaction(room_version, event, auth_events=auth_events): original_event = yield self.store.get_event( event.redacts, check_redacted=False, @@ -766,6 +760,9 @@ class EventCreationHandler(object): "You don't have permission to redact events" ) + # We've already checked. + event.internal_metadata.recheck_redaction = False + if event.type == EventTypes.Create: prev_state_ids = yield context.get_prev_state_ids(self.store) if prev_state_ids: |