/usr/lib/python2.7/dist-packages/msrest/authentication.py is in python-msrest 0.4.14-1.
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#
# Copyright (c) Microsoft Corporation. All rights reserved.
#
# The MIT License (MIT)
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the ""Software""), to
# deal in the Software without restriction, including without limitation the
# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
# sell copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED *AS IS*, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
# IN THE SOFTWARE.
#
# --------------------------------------------------------------------------
import requests
from requests.auth import HTTPBasicAuth
import requests_oauthlib as oauth
class Authentication(object):
"""Default, simple auth object.
Doesn't actually add any auth headers.
"""
header = "Authorization"
def signed_session(self):
"""Create requests session with any required auth headers
applied.
:rtype: requests.Session.
"""
return requests.Session()
class BasicAuthentication(Authentication):
"""Implmentation of Basic Authentication.
:param str username: Authentication username.
:param str password: Authentication password.
"""
def __init__(self, username, password):
self.scheme = 'Basic'
self.username = username
self.password = password
def signed_session(self):
"""Create requests session with any required auth headers
applied.
:rtype: requests.Session.
"""
session = super(BasicAuthentication, self).signed_session()
session.auth = HTTPBasicAuth(self.username, self.password)
return session
class BasicTokenAuthentication(Authentication):
"""Simple Token Authentication.
Does not adhere to OAuth, simply adds provided token as a header.
:param dict token: Authentication token, must have 'access_token' key.
"""
def __init__(self, token):
self.scheme = 'Bearer'
self.token = token
def signed_session(self):
"""Create requests session with any required auth headers
applied.
:rtype: requests.Session.
"""
session = super(BasicTokenAuthentication, self).signed_session()
header = "{} {}".format(self.scheme, self.token['access_token'])
session.headers['Authorization'] = header
return session
class OAuthTokenAuthentication(Authentication):
"""OAuth Token Authentication.
Requires that supplied token contains an expires_in field.
:param str client_id: Account Client ID.
:param dict token: OAuth2 token.
"""
def __init__(self, client_id, token):
self.scheme = 'Bearer'
self.id = client_id
self.token = token
self.store_key = self.id
def construct_auth(self):
"""Format token header.
:rtype: str.
"""
return "{} {}".format(self.scheme, self.token)
def refresh_session(self):
"""Return updated session if token has expired, attempts to
refresh using refresh token.
:rtype: requests.Session.
"""
return self.signed_session()
def signed_session(self):
"""Create requests session with any required auth headers
applied.
:rtype: requests.Session.
"""
return oauth.OAuth2Session(self.id, token=self.token)
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