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Workaround for non-ascii event ids (#4241) 

It turns out that we accept events with non-ascii IDs, which would later cause
an explosion during state res.

Fixes #4226
This commit is contained in:
Richard van der Hoff 2018-12-03 11:47:48 +01:00 committed by Amber Brown
parent 7039ece8fb
commit c03324294d
2 changed files with 4 additions and 1 deletions
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1
changelog.d/4241.bugfix Normal file
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@ -0,0 +1 @@
Fix exception caused by non-ascii event IDs

4
synapse/state/v1.py
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@ -298,6 +298,8 @@ def _resolve_normal_events(events, auth_events):
def _ordered_events(events): def _ordered_events(events):
def key_func(e): def key_func(e):
return -int(e.depth), hashlib.sha1(e.event_id.encode('ascii')).hexdigest() # we have to use utf-8 rather than ascii here because it turns out we allow
# people to send us events with non-ascii event IDs :/
return -int(e.depth), hashlib.sha1(e.event_id.encode('utf-8')).hexdigest()
return sorted(events, key=key_func) return sorted(events, key=key_func)