Remove signatures from pdu when computing hashes to use for prev pdus, make sure is_state is a boolean.

This commit is contained in:
Mark Haines 2014-10-17 19:41:32 +01:00
parent dc3c2823ac
commit 8afbece683
2 changed files with 6 additions and 2 deletions

View File

@ -22,6 +22,9 @@ from syutil.base64util import encode_base64, decode_base64
from syutil.crypto.jsonsign import sign_json, verify_signed_json
import hashlib
import logging
logger = logging.getLogger(__name__)
def add_event_pdu_content_hash(pdu, hash_algorithm=hashlib.sha256):
@ -48,7 +51,7 @@ def check_event_pdu_content_hash(pdu, hash_algorithm=hashlib.sha256):
def _compute_content_hash(pdu, hash_algorithm):
pdu_json = pdu.get_dict()
#TODO: Make "age_ts" key internal
pdu_json.pop("age_ts")
pdu_json.pop("age_ts", None)
pdu_json.pop("unsigned", None)
pdu_json.pop("signatures", None)
hashes = pdu_json.pop("hashes", {})
@ -60,6 +63,7 @@ def compute_pdu_event_reference_hash(pdu, hash_algorithm=hashlib.sha256):
tmp_pdu = Pdu(**pdu.get_dict())
tmp_pdu = prune_pdu(tmp_pdu)
pdu_json = tmp_pdu.get_dict()
pdu_json.pop("signatures", None)
pdu_json_bytes = encode_canonical_json(pdu_json)
hashed = hash_algorithm(pdu_json_bytes)
return (hashed.name, hashed.digest())

View File

@ -101,7 +101,7 @@ class Pdu(JsonEncodedObject):
super(Pdu, self).__init__(
destinations=destinations,
is_state=is_state,
is_state=bool(is_state),
prev_pdus=prev_pdus,
outlier=outlier,
hashes=hashes,