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Merge pull request #3156 from NotAFile/py3-hmac-bytes

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Construct HMAC as bytes on py3
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Richard van der Hoff 2018-04-30 00:33:20 +01:00 • committed by GitHub
commit 1315d374cc
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2 changed files with 15 additions and 11 deletions
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16
synapse/rest/client/v1/register.py
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@ -30,6 +30,8 @@ from hashlib import sha1
import hmac
import logging
from six import string_types
logger = logging.getLogger(__name__)
@ -333,11 +335,11 @@ class RegisterRestServlet(ClientV1RestServlet):
def _do_shared_secret(self, request, register_json, session):
yield run_on_reactor()
if not isinstance(register_json.get("mac", None), basestring):
if not isinstance(register_json.get("mac", None), string_types):
raise SynapseError(400, "Expected mac.")
if not isinstance(register_json.get("user", None), basestring):
if not isinstance(register_json.get("user", None), string_types):
raise SynapseError(400, "Expected 'user' key.")
if not isinstance(register_json.get("password", None), basestring):
if not isinstance(register_json.get("password", None), string_types):
raise SynapseError(400, "Expected 'password' key.")
if not self.hs.config.registration_shared_secret:
@ -358,14 +360,14 @@ class RegisterRestServlet(ClientV1RestServlet):
got_mac = str(register_json["mac"])
want_mac = hmac.new(
key=self.hs.config.registration_shared_secret,
key=self.hs.config.registration_shared_secret.encode(),
digestmod=sha1,
)
want_mac.update(user)
want_mac.update("\x00")
want_mac.update(b"\x00")
want_mac.update(password)
want_mac.update("\x00")
want_mac.update("admin" if admin else "notadmin")
want_mac.update(b"\x00")
want_mac.update(b"admin" if admin else b"notadmin")
want_mac = want_mac.hexdigest()
if compare_digest(want_mac, got_mac):