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Switch to using the leeway parameter on JWT validation

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Joseph Schorr 2016-06-27 14:17:15 -04:00 committed by Jimmy Zelinskie
parent 00aa27beb9
commit ab1756306b
1 changed files with 6 additions and 6 deletions
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12
util/security/registry_jwt.py
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@ -9,9 +9,9 @@ logger = logging.getLogger(__name__)
ANONYMOUS_SUB = '(anonymous)'
ALGORITHM = 'RS256'
# The number of allowed seconds of clock skew for a JWT. We pad the iat, nbf and exp with this
# The number of allowed seconds of clock skew for a JWT. The iat, nbf and exp are adjusted with this
# count.
JWT_CLOCK_SKEW_SECONDS = 10
JWT_CLOCK_SKEW_SECONDS = 30
class InvalidBearerTokenException(Exception):
@ -54,7 +54,7 @@ def decode_bearer_token(bearer_token, instance_keys):
max_exp = jwtutil.exp_max_s_option(max_signed_s)
payload = jwtutil.decode(encoded_jwt, public_key, algorithms=[ALGORITHM], audience=audience,
issuer=expected_issuer, options=max_exp)
issuer=expected_issuer, options=max_exp, leeway=JWT_CLOCK_SKEW_SECONDS)
except jwtutil.InvalidTokenError as ite:
logger.exception('Invalid token reason: %s', ite)
raise InvalidBearerTokenException(ite)
@ -80,9 +80,9 @@ def _generate_jwt_object(audience, subject, context, access, lifetime_s, issuer,
token_data = {
'iss': issuer,
'aud': audience,
'nbf': int(time.time()) - JWT_CLOCK_SKEW_SECONDS,
'iat': int(time.time()) - JWT_CLOCK_SKEW_SECONDS,
'exp': int(time.time() + lifetime_s) + JWT_CLOCK_SKEW_SECONDS,
'nbf': int(time.time()),
'iat': int(time.time()),
'exp': int(time.time() + lifetime_s),
'sub': subject,
'access': access,
'context': context,