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epicyon
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Code Issues 14 Releases Wiki Activity

Allow incoming posts with failing http signatures provided that they have a json signature which passes 

This provides the same level of assurance, but allows posts to arrive via relays
merge-requests/30/head
Bob Mottram 2021-02-14 15:22:03 +00:00
parent 1efec2d8ac
commit e6b9382a0a
2 changed files with 39 additions and 32 deletions
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37
inbox.py
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@ -2726,6 +2726,7 @@ def runInboxQueue(recentPostsCache: {}, maxRecentPosts: int,
print('DEBUG: checking http header signature')
pprint(queueJson['httpHeaders'])
postStr = json.dumps(queueJson['post'])
httpSignatureFailed = False
if not verifyPostHeaders(httpPrefix,
pubKey,
queueJson['httpHeaders'],
@ -2733,19 +2734,15 @@ def runInboxQueue(recentPostsCache: {}, maxRecentPosts: int,
queueJson['digest'],
postStr,
debug):
httpSignatureFailed = True
print('Queue: Header signature check failed')
pprint(queueJson['httpHeaders'])
if os.path.isfile(queueFilename):
os.remove(queueFilename)
if len(queue) > 0:
queue.pop(0)
continue
else:
if debug:
print('DEBUG: http header signature check success')
# check if a json signature exists on this post
checkJsonSignature = False
hasJsonSignature = False
originalJson = queueJson['original']
if originalJson.get('@context') and \
originalJson.get('signature'):
@ -2756,25 +2753,31 @@ def runInboxQueue(recentPostsCache: {}, maxRecentPosts: int,
if jwebsig.get('type') and jwebsig.get('signatureValue'):
if jwebsig['type'] == 'RsaSignature2017':
if hasValidContext(originalJson):
checkJsonSignature = True
hasJsonSignature = True
else:
print('unrecognised @context: ' +
str(originalJson['@context']))
# strict enforcement of json signatures
if verifyAllSignatures and \
not checkJsonSignature:
print('inbox post does not have a jsonld signature ' +
if not hasJsonSignature:
if httpSignatureFailed:
print('Queue: Header signature check failed and ' +
'unable to check json signature')
if verifyAllSignatures:
print('Queue: inbox post does not have a jsonld signature ' +
keyId + ' ' + str(originalJson))
if httpSignatureFailed or verifyAllSignatures:
if os.path.isfile(queueFilename):
os.remove(queueFilename)
if len(queue) > 0:
queue.pop(0)
continue
if checkJsonSignature and verifyAllSignatures:
# use the original json message received, not one which may have
# been modified along the way
else:
if httpSignatureFailed or verifyAllSignatures:
# use the original json message received, not one which
# may have been modified along the way
if not verifyJsonSignature(originalJson, pubKey):
if debug:
print('WARN: jsonld inbox signature check failed ' +
@ -2787,6 +2790,10 @@ def runInboxQueue(recentPostsCache: {}, maxRecentPosts: int,
if len(queue) > 0:
queue.pop(0)
continue
else:
if httpSignatureFailed:
print('jsonld inbox signature check success ' +
'via relay ' + keyId)
else:
print('jsonld inbox signature check success ' + keyId)