diff options
Diffstat (limited to 'synapse/crypto/event_signing.py')
| -rw-r--r-- | synapse/crypto/event_signing.py | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/synapse/crypto/event_signing.py b/synapse/crypto/event_signing.py index de5d2e7465..7d800615fe 100644 --- a/synapse/crypto/event_signing.py +++ b/synapse/crypto/event_signing.py @@ -45,7 +45,7 @@ def check_event_content_hash(event, hash_algorithm=hashlib.sha256): def _compute_content_hash(event, hash_algorithm): event_json = event.get_full_dict() - #TODO: We need to sign the JSON that is going out via fedaration. + # TODO: We need to sign the JSON that is going out via fedaration. event_json.pop("age_ts", None) event_json.pop("unsigned", None) event_json.pop("signatures", None) @@ -81,6 +81,15 @@ def compute_event_signature(event, signature_name, signing_key): def add_hashes_and_signatures(event, signature_name, signing_key, hash_algorithm=hashlib.sha256): + if hasattr(event, "old_state_events"): + state_json_bytes = encode_canonical_json( + [e.event_id for e in event.old_state_events.values()] + ) + hashed = hash_algorithm(state_json_bytes) + event.state_hash = { + hashed.name: encode_base64(hashed.digest()) + } + hashed = _compute_content_hash(event, hash_algorithm=hash_algorithm) if not hasattr(event, "hashes"): |