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|
import argparse
import hashlib
import json
import logging
import sys
from unpaddedbase64 import encode_base64
from synapse.crypto.event_signing import (
check_event_content_hash,
compute_event_reference_hash,
)
class dictobj(dict):
def __init__(self, *args, **kargs):
dict.__init__(self, *args, **kargs)
self.__dict__ = self
def get_dict(self):
return dict(self)
def get_full_dict(self):
return dict(self)
def get_pdu_json(self):
return dict(self)
def main():
parser = argparse.ArgumentParser()
parser.add_argument(
"input_json", nargs="?", type=argparse.FileType("r"), default=sys.stdin
)
args = parser.parse_args()
logging.basicConfig()
event_json = dictobj(json.load(args.input_json))
algorithms = {"sha256": hashlib.sha256}
for alg_name in event_json.hashes:
if check_event_content_hash(event_json, algorithms[alg_name]):
print("PASS content hash %s" % (alg_name,))
else:
print("FAIL content hash %s" % (alg_name,))
for algorithm in algorithms.values():
name, h_bytes = compute_event_reference_hash(event_json, algorithm)
print("Reference hash %s: %s" % (name, encode_base64(h_bytes)))
if __name__ == "__main__":
main()
|
