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-rw-r--r--app/api/auth/token.py39
1 files changed, 39 insertions, 0 deletions
diff --git a/app/api/auth/token.py b/app/api/auth/token.py
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+++ b/app/api/auth/token.py
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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