Merge commit 'c9c544cda' into anoa/dinsic_release_1_21_x

* commit 'c9c544cda':
  Remove `ChainedIdGenerator`. (#8123)
  Switch the JSON byte producer from a pull to a push producer. (#8116)
  Updated docs: Added note about missing 308 redirect support. (#8120)
  Be stricter about JSON that is accepted by Synapse (#8106)
  Convert runWithConnection to async. (#8121)
  Remove the unused inlineCallbacks code-paths in the caching code (#8119)
  Separate `get_current_token` into two. (#8113)
  Convert events worker database to async/await. (#8071)
  Add a link to the matrix-synapse-rest-password-provider. (#8111)

1 files changed, 6 insertions, 5 deletions

diff --git a/synapse/handlers/message.py b/synapse/handlers/message.py

index 465b2a19bc..d5b12403f9 100644
--- a/synapse/handlers/message.py
+++ b/synapse/handlers/message.py
@@ -17,7 +17,7 @@
 import logging
 from typing import TYPE_CHECKING, Dict, List, Optional, Tuple
 
-from canonicaljson import encode_canonical_json, json
+from canonicaljson import encode_canonical_json
 
 from twisted.internet.interfaces import IDelayedCall
 
@@ -55,6 +55,7 @@ from synapse.types import (
     UserID,
     create_requester,
 )
+from synapse.util import json_decoder
 from synapse.util.async_helpers import Linearizer
 from synapse.util.frozenutils import frozendict_json_encoder
 from synapse.util.metrics import measure_func
@@ -867,7 +868,7 @@ class EventCreationHandler(object):
         # Ensure that we can round trip before trying to persist in db
         try:
             dump = frozendict_json_encoder.encode(event.content)
-            json.loads(dump)
+            json_decoder.decode(dump)
         except Exception:
             logger.exception("Failed to encode content: %r", event.content)
             raise
@@ -963,7 +964,7 @@ class EventCreationHandler(object):
                     allow_none=True,
                 )
 
-                is_admin_redaction = (
+                is_admin_redaction = bool(
                     original_event and event.sender != original_event.sender
                 )
 
@@ -1083,8 +1084,8 @@ class EventCreationHandler(object):
             auth_events_ids = self.auth.compute_auth_events(
                 event, prev_state_ids, for_verification=True
             )
-            auth_events = await self.store.get_events(auth_events_ids)
-            auth_events = {(e.type, e.state_key): e for e in auth_events.values()}
+            auth_events_map = await self.store.get_events(auth_events_ids)
+            auth_events = {(e.type, e.state_key): e for e in auth_events_map.values()}
 
             room_version = await self.store.get_room_version_id(event.room_id)
             room_version_obj = KNOWN_ROOM_VERSIONS[room_version]