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Don't fiddle with results returned by event sources

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Overwriting hashes returned by other methods is poor form.

Fixes: SYN-516
This commit is contained in:
Richard van der Hoff 2015-11-09 18:09:46 +00:00
parent 9107ed23b7
commit c7db2068c8
1 changed files with 12 additions and 4 deletions
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16
synapse/handlers/sync.py
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@ -311,8 +311,13 @@ class SyncHandler(BaseHandler):
ephemeral_by_room = {}
for event in typing:
room_id = event.pop("room_id")
ephemeral_by_room.setdefault(room_id, []).append(event)
# we want to exclude the room_id from the event, but modifying the
# result returned by the event source is poor form (it might cache
# the object)
room_id = event["room_id"]
event_copy = {k: v for (k, v) in event.iteritems()
if k != "room_id"}
ephemeral_by_room.setdefault(room_id, []).append(event_copy)
receipt_key = since_token.receipt_key if since_token else "0"
@ -328,8 +333,11 @@ class SyncHandler(BaseHandler):
now_token = now_token.copy_and_replace("receipt_key", receipt_key)
for event in receipts:
room_id = event.pop("room_id")
ephemeral_by_room.setdefault(room_id, []).append(event)
room_id = event["room_id"]
# exclude room id, as above
event_copy = {k: v for (k, v) in event.iteritems()
if k != "room_id"}
ephemeral_by_room.setdefault(room_id, []).append(event_copy)
defer.returnValue((now_token, ephemeral_by_room))