diff --git a/synapse/events/__init__.py b/synapse/events/__init__.py
index 12056d5be2..1edd19cc13 100644
--- a/synapse/events/__init__.py
+++ b/synapse/events/__init__.py
@@ -21,6 +21,7 @@ import six
from unpaddedbase64 import encode_base64
+from synapse.api.errors import UnsupportedRoomVersionError
from synapse.api.room_versions import KNOWN_ROOM_VERSIONS, EventFormatVersions
from synapse.util.caches import intern_dict
from synapse.util.frozenutils import freeze
@@ -335,13 +336,32 @@ class FrozenEventV2(EventBase):
return self.__repr__()
def __repr__(self):
- return "<FrozenEventV2 event_id='%s', type='%s', state_key='%s'>" % (
+ return "<%s event_id='%s', type='%s', state_key='%s'>" % (
+ self.__class__.__name__,
self.event_id,
self.get("type", None),
self.get("state_key", None),
)
+class FrozenEventV3(FrozenEventV2):
+ """FrozenEventV3, which differs from FrozenEventV2 only in the event_id format"""
+ format_version = EventFormatVersions.V3 # All events of this type are V3
+
+ @property
+ def event_id(self):
+ # We have to import this here as otherwise we get an import loop which
+ # is hard to break.
+ from synapse.crypto.event_signing import compute_event_reference_hash
+
+ if self._event_id:
+ return self._event_id
+ self._event_id = "$" + encode_base64(
+ compute_event_reference_hash(self)[1], urlsafe=True
+ )
+ return self._event_id
+
+
def room_version_to_event_format(room_version):
"""Converts a room version string to the event format
@@ -350,12 +370,15 @@ def room_version_to_event_format(room_version):
Returns:
int
+
+ Raises:
+ UnsupportedRoomVersionError if the room version is unknown
"""
v = KNOWN_ROOM_VERSIONS.get(room_version)
if not v:
- # We should have already checked version, so this should not happen
- raise RuntimeError("Unrecognized room version %s" % (room_version,))
+ # this can happen if support is withdrawn for a room version
+ raise UnsupportedRoomVersionError()
return v.event_format
@@ -376,6 +399,8 @@ def event_type_from_format_version(format_version):
return FrozenEvent
elif format_version == EventFormatVersions.V2:
return FrozenEventV2
+ elif format_version == EventFormatVersions.V3:
+ return FrozenEventV3
else:
raise Exception(
"No event format %r" % (format_version,)
diff --git a/synapse/events/builder.py b/synapse/events/builder.py
index fba27177c7..1fe995f212 100644
--- a/synapse/events/builder.py
+++ b/synapse/events/builder.py
@@ -18,6 +18,7 @@ import attr
from twisted.internet import defer
from synapse.api.constants import MAX_DEPTH
+from synapse.api.errors import UnsupportedRoomVersionError
from synapse.api.room_versions import (
KNOWN_EVENT_FORMAT_VERSIONS,
KNOWN_ROOM_VERSIONS,
@@ -178,9 +179,8 @@ class EventBuilderFactory(object):
"""
v = KNOWN_ROOM_VERSIONS.get(room_version)
if not v:
- raise Exception(
- "No event format defined for version %r" % (room_version,)
- )
+ # this can happen if support is withdrawn for a room version
+ raise UnsupportedRoomVersionError()
return self.for_room_version(v, key_values)
def for_room_version(self, room_version, key_values):
diff --git a/synapse/events/utils.py b/synapse/events/utils.py
index bf3c8f8dc1..27a2a9ef98 100644
--- a/synapse/events/utils.py
+++ b/synapse/events/utils.py
@@ -355,7 +355,7 @@ class EventClientSerializer(object):
event_id,
)
references = yield self.store.get_relations_for_event(
- event_id, RelationTypes.REFERENCES, direction="f",
+ event_id, RelationTypes.REFERENCE, direction="f",
)
if annotations.chunk:
@@ -364,7 +364,7 @@ class EventClientSerializer(object):
if references.chunk:
r = serialized_event["unsigned"].setdefault("m.relations", {})
- r[RelationTypes.REFERENCES] = references.to_dict()
+ r[RelationTypes.REFERENCE] = references.to_dict()
edit = None
if event.type == EventTypes.Message:
@@ -382,7 +382,7 @@ class EventClientSerializer(object):
serialized_event["content"].pop("m.relates_to", None)
r = serialized_event["unsigned"].setdefault("m.relations", {})
- r[RelationTypes.REPLACES] = {
+ r[RelationTypes.REPLACE] = {
"event_id": edit.event_id,
}
|
