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Make prev_event signing work again.

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This commit is contained in:
Erik Johnston 2014-10-31 15:35:39 +00:00
parent 2f39dc19a2
commit d30d79b5be
3 changed files with 18 additions and 8 deletions
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13
synapse/crypto/event_signing.py
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@ -16,11 +16,12 @@
from synapse.federation.units import Pdu
from synapse.api.events.utils import prune_pdu
from synapse.api.events.utils import prune_pdu, prune_event
from syutil.jsonutil import encode_canonical_json
from syutil.base64util import encode_base64, decode_base64
from syutil.crypto.jsonsign import sign_json, verify_signed_json
import copy
import hashlib
import logging
@ -69,6 +70,16 @@ def compute_pdu_event_reference_hash(pdu, hash_algorithm=hashlib.sha256):
return (hashed.name, hashed.digest())
def compute_event_reference_hash(event, hash_algorithm=hashlib.sha256):
tmp_event = copy.deepcopy(event)
tmp_event = prune_event(tmp_event)
event_json = tmp_event.get_dict()
event_json.pop("signatures", None)
event_json_bytes = encode_canonical_json(event_json)
hashed = hash_algorithm(event_json_bytes)
return (hashed.name, hashed.digest())
def sign_event_pdu(pdu, signature_name, signing_key):
tmp_pdu = Pdu(**pdu.get_dict())
tmp_pdu = prune_pdu(tmp_pdu)