forked-synapse/synapse/secrets.py
Jonathan de Jong 4b965c862d
Remove redundant "coding: utf-8" lines (#9786)
Part of #9744

Removes all redundant `# -*- coding: utf-8 -*-` lines from files, as python 3 automatically reads source code as utf-8 now.

`Signed-off-by: Jonathan de Jong <jonathan@automatia.nl>`
2021-04-14 15:34:27 +01:00

45 lines
1.4 KiB
Python

# Copyright 2018 New Vector Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""
Injectable secrets module for Synapse.
See https://docs.python.org/3/library/secrets.html#module-secrets for the API
used in Python 3.6, and the API emulated in Python 2.7.
"""
import sys
# secrets is available since python 3.6
if sys.version_info[0:2] >= (3, 6):
import secrets
class Secrets:
def token_bytes(self, nbytes: int = 32) -> bytes:
return secrets.token_bytes(nbytes)
def token_hex(self, nbytes: int = 32) -> str:
return secrets.token_hex(nbytes)
else:
import binascii
import os
class Secrets:
def token_bytes(self, nbytes: int = 32) -> bytes:
return os.urandom(nbytes)
def token_hex(self, nbytes: int = 32) -> str:
return binascii.hexlify(self.token_bytes(nbytes)).decode("ascii")