Don't assume event has hashes key already

11 years ago · 82a6b83524
parent 9024a19658
commit 82a6b83524
1 changed files with 2 additions and 0 deletions
--- a/synapse/crypto/event_signing.py
+++ b/synapse/crypto/event_signing.py
@ -113,4 +113,6 @@ def add_hashes_and_signatures(event, signature_name, signing_key,
    event_json.pop("hashes", None)
    event_json_bytes = encode_canonical_json(event_json)
    hashed = hash_algorithm(event_json_bytes)
+    if not hasattr(event, "hashes"):
+        event.hashes = {}
    event.hashes[hashed.name] = encode_base64(hashed.digest())