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254e8267e2
secrets got introduced in python 3.6 so this class is not available in 3.5 and before. This now checks for the current running version and only tries using secrets if the version is 3.6 or above Signed-Off-By: Matthias Kesler <krombel@krombel.de>
42 lines
1.2 KiB
Python
42 lines
1.2 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2018 New Vector Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""
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Injectable secrets module for Synapse.
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See https://docs.python.org/3/library/secrets.html#module-secrets for the API
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used in Python 3.6, and the API emulated in Python 2.7.
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"""
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import sys
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# secrets is available since python 3.6
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if sys.version_info[0:2] >= (3, 6):
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import secrets
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def Secrets():
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return secrets
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else:
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import os
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import binascii
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class Secrets(object):
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def token_bytes(self, nbytes=32):
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return os.urandom(nbytes)
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def token_hex(self, nbytes=32):
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return binascii.hexlify(self.token_bytes(nbytes))
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