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Sign outgoing PDUs.

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This commit is contained in:
Mark Haines 2014-10-16 00:09:48 +01:00
parent 1c445f88f6
commit 66104da10c
9 changed files with 62 additions and 24 deletions
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4
synapse/crypto/event_signing.py
View file

@ -15,6 +15,7 @@
# limitations under the License.
from synapse.federation.units import Pdu
from synapse.api.events.utils import prune_pdu
from syutil.jsonutil import encode_canonical_json
from syutil.base64util import encode_base64, decode_base64
@ -25,8 +26,7 @@ import hashlib
def hash_event_pdu(pdu, hash_algortithm=hashlib.sha256):
hashed = _compute_hash(pdu, hash_algortithm)
hashes[hashed.name] = encode_base64(hashed.digest())
pdu.hashes = hashes
pdu.hashes[hashed.name] = encode_base64(hashed.digest())
return pdu

6
synapse/federation/pdu_codec.py
View file

@ -14,6 +14,7 @@
# limitations under the License.
from .units import Pdu
from synapse.crypto.event_signing import hash_event_pdu, sign_event_pdu
import copy
@ -33,6 +34,7 @@ def encode_event_id(pdu_id, origin):
class PduCodec(object):
def __init__(self, hs):
self.signing_key = hs.config.signing_key[0]
self.server_name = hs.hostname
self.event_factory = hs.get_event_factory()
self.clock = hs.get_clock()
@ -99,4 +101,6 @@ class PduCodec(object):
if "ts" not in kwargs:
kwargs["ts"] = int(self.clock.time_msec())
return Pdu(**kwargs)
pdu = Pdu(**kwargs)
pdu = hash_event_pdu(pdu)
return sign_event_pdu(pdu, self.server_name, self.signing_key)

7
synapse/storage/__init__.py
View file

@ -42,6 +42,7 @@ from .transactions import TransactionStore
from .keys import KeyStore
from .signatures import SignatureStore
from syutil.base64util import decode_base64
import json
import logging
@ -168,11 +169,11 @@ class DataStore(RoomMemberStore, RoomStore,
txn, pdu.pdu_id, pdu.origin, hash_alg, hash_bytes,
)
signatures = pdu.sigatures.get(pdu.orgin, {})
signatures = pdu.signatures.get(pdu.origin, {})
for key_id, signature_base64 in signatures:
for key_id, signature_base64 in signatures.items():
signature_bytes = decode_base64(signature_base64)
self.store_pdu_origin_signatures_txn(
self._store_pdu_origin_signature_txn(
txn, pdu.pdu_id, pdu.origin, key_id, signature_bytes,
)

6
synapse/storage/signatures.py
View file

@ -47,7 +47,7 @@ class SignatureStore(SQLBaseStore):
algorithm (str): Hashing algorithm.
hash_bytes (bytes): Hash function output bytes.
"""
self._simple_insert_txn(self, txn, "pdu_hashes", {
self._simple_insert_txn(txn, "pdu_hashes", {
"pdu_id": pdu_id,
"origin": origin,
"algorithm": algorithm,
@ -66,7 +66,7 @@ class SignatureStore(SQLBaseStore):
query = (
"SELECT key_id, signature"
" FROM pdu_origin_signatures"
" WHERE WHERE pdu_id = ? and origin = ?"
" WHERE pdu_id = ? and origin = ?"
)
txn.execute(query, (pdu_id, origin))
return dict(txn.fetchall())
@ -81,7 +81,7 @@ class SignatureStore(SQLBaseStore):
key_id (str): Id for the signing key.
signature (bytes): The signature.
"""
self._simple_insert_txn(self, txn, "pdu_origin_signatures", {
self._simple_insert_txn(txn, "pdu_origin_signatures", {
"pdu_id": pdu_id,
"origin": origin,
"key_id": key_id,