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###############################################################################
# Copyright (c) 2017 Koren Lev (Cisco Systems), Yaron Yogev (Cisco Systems) #
# and others #
# #
# All rights reserved. This program and the accompanying materials #
# are made available under the terms of the Apache License, Version 2.0 #
# which accompanies this distribution, and is available at #
# http://www.apache.org/licenses/LICENSE-2.0 #
###############################################################################
import datetime
import uuid
class Token:
token_lifetime = 86400
FIELD = 'X-AUTH-TOKEN'
@classmethod
def set_token_lifetime(cls, lifetime):
Token.token_lifetime = lifetime
@classmethod
def new_uuid_token(cls, method):
token = {}
token['issued_at'] = datetime.datetime.now()
token['expires_at'] = token['issued_at'] +\
datetime.timedelta(seconds=Token.token_lifetime)
token['token'] = uuid.uuid4().hex
token['method'] = method
return token
@classmethod
def validate_token(cls, token):
error = None
now = datetime.datetime.now()
if now > token['expires_at']:
error = 'Token {0} has expired'.format(token['token'])
return error
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