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Fix 500 error from /consent form

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Fixes #3731
This commit is contained in:
Richard van der Hoff 2018-08-21 22:41:41 +01:00
parent 3b5b64ac99
commit f7baff6f7b
1 changed files with 11 additions and 2 deletions
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13
synapse/rest/consent/consent_resource.py
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@ -175,7 +175,7 @@ class ConsentResource(Resource):
"""
version = parse_string(request, "v", required=True)
username = parse_string(request, "u", required=True)
userhmac = parse_string(request, "h", required=True)
userhmac = parse_string(request, "h", required=True, encoding=None)
self._check_hash(username, userhmac)
@ -210,9 +210,18 @@ class ConsentResource(Resource):
finish_request(request)
def _check_hash(self, userid, userhmac):
"""
Args:
userid (unicode):
userhmac (bytes):
Raises:
SynapseError if the hash doesn't match
"""
want_mac = hmac.new(
key=self._hmac_secret,
msg=userid,
msg=userid.encode('utf-8'),
digestmod=sha256,
).hexdigest()