def lookup_nonce(self, oauth_consumer, oauth_token, nonce):
if oauth_token is None:
return None
logger.warning("!!! In GAEOAuthDataStore.lookup_nonce key_:%s, consumer_key: %s, token_key:%s"%(nonce,oauth_consumer.key_,oauth_token.key_))
nonces = Nonce.all()\
.filter('consumer_key =',oauth_consumer.key_)\
.filter('token_key =',oauth_token.key_)\
.filter('key_ =',nonce).fetch(1000)
if len(nonces) == 1:
nonce = nonces[0]
return nonce.key_
elif len(nonces) == 0:
#create a nonce
nonce_obj = Nonce(consumer_key=oauth_consumer.key_,
token_key=oauth_token.key_,
key_=nonce)
nonce_obj.put()
return None
else:
raise Exception('More then one nonce matches consumer_key "%s", \
token_key "%s", key_ "%S"'%(oauth_consumer.key,oauth_token.key, nonce))
