mirror of
https://github.com/morpheus65535/bazarr
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146 lines
4.8 KiB
Python
146 lines
4.8 KiB
Python
# -*- coding: utf-8 -*-
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"""The module containing the code for GuessAuth."""
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from requests import auth
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from requests import cookies
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from . import _digest_auth_compat as auth_compat, http_proxy_digest
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class GuessAuth(auth.AuthBase):
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"""Guesses the auth type by the WWW-Authentication header."""
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def __init__(self, username, password):
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self.username = username
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self.password = password
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self.auth = None
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self.pos = None
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def _handle_basic_auth_401(self, r, kwargs):
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if self.pos is not None:
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r.request.body.seek(self.pos)
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# Consume content and release the original connection
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# to allow our new request to reuse the same one.
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r.content
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r.raw.release_conn()
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prep = r.request.copy()
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if not hasattr(prep, '_cookies'):
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prep._cookies = cookies.RequestsCookieJar()
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cookies.extract_cookies_to_jar(prep._cookies, r.request, r.raw)
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prep.prepare_cookies(prep._cookies)
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self.auth = auth.HTTPBasicAuth(self.username, self.password)
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prep = self.auth(prep)
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_r = r.connection.send(prep, **kwargs)
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_r.history.append(r)
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_r.request = prep
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return _r
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def _handle_digest_auth_401(self, r, kwargs):
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self.auth = auth_compat.HTTPDigestAuth(self.username, self.password)
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try:
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self.auth.init_per_thread_state()
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except AttributeError:
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# If we're not on requests 2.8.0+ this method does not exist and
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# is not relevant.
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pass
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# Check that the attr exists because much older versions of requests
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# set this attribute lazily. For example:
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# https://github.com/kennethreitz/requests/blob/33735480f77891754304e7f13e3cdf83aaaa76aa/requests/auth.py#L59
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if (hasattr(self.auth, 'num_401_calls') and
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self.auth.num_401_calls is None):
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self.auth.num_401_calls = 1
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# Digest auth would resend the request by itself. We can take a
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# shortcut here.
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return self.auth.handle_401(r, **kwargs)
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def handle_401(self, r, **kwargs):
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"""Resends a request with auth headers, if needed."""
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www_authenticate = r.headers.get('www-authenticate', '').lower()
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if 'basic' in www_authenticate:
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return self._handle_basic_auth_401(r, kwargs)
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if 'digest' in www_authenticate:
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return self._handle_digest_auth_401(r, kwargs)
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def __call__(self, request):
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if self.auth is not None:
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return self.auth(request)
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try:
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self.pos = request.body.tell()
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except AttributeError:
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pass
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request.register_hook('response', self.handle_401)
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return request
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class GuessProxyAuth(GuessAuth):
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"""
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Guesses the auth type by WWW-Authentication and Proxy-Authentication
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headers
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"""
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def __init__(self, username=None, password=None,
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proxy_username=None, proxy_password=None):
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super(GuessProxyAuth, self).__init__(username, password)
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self.proxy_username = proxy_username
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self.proxy_password = proxy_password
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self.proxy_auth = None
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def _handle_basic_auth_407(self, r, kwargs):
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if self.pos is not None:
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r.request.body.seek(self.pos)
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r.content
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r.raw.release_conn()
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prep = r.request.copy()
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if not hasattr(prep, '_cookies'):
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prep._cookies = cookies.RequestsCookieJar()
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cookies.extract_cookies_to_jar(prep._cookies, r.request, r.raw)
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prep.prepare_cookies(prep._cookies)
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self.proxy_auth = auth.HTTPProxyAuth(self.proxy_username,
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self.proxy_password)
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prep = self.proxy_auth(prep)
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_r = r.connection.send(prep, **kwargs)
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_r.history.append(r)
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_r.request = prep
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return _r
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def _handle_digest_auth_407(self, r, kwargs):
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self.proxy_auth = http_proxy_digest.HTTPProxyDigestAuth(
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username=self.proxy_username,
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password=self.proxy_password)
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try:
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self.auth.init_per_thread_state()
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except AttributeError:
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pass
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return self.proxy_auth.handle_407(r, **kwargs)
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def handle_407(self, r, **kwargs):
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proxy_authenticate = r.headers.get('Proxy-Authenticate', '').lower()
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if 'basic' in proxy_authenticate:
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return self._handle_basic_auth_407(r, kwargs)
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if 'digest' in proxy_authenticate:
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return self._handle_digest_auth_407(r, kwargs)
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def __call__(self, request):
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if self.proxy_auth is not None:
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request = self.proxy_auth(request)
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try:
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self.pos = request.body.tell()
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except AttributeError:
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pass
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request.register_hook('response', self.handle_407)
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return super(GuessProxyAuth, self).__call__(request)
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