mirror of
https://github.com/morpheus65535/bazarr
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87 lines
3.2 KiB
Python
87 lines
3.2 KiB
Python
# -*- coding: utf-8 -*-
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"""
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oauthlib.oauth2.rfc6749
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~~~~~~~~~~~~~~~~~~~~~~~
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This module is an implementation of various logic needed
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for consuming and providing OAuth 2.0 RFC6749.
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"""
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from __future__ import absolute_import, unicode_literals
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import logging
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from oauthlib.common import Request
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from .base import BaseEndpoint, catch_errors_and_unavailability
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log = logging.getLogger(__name__)
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class ResourceEndpoint(BaseEndpoint):
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"""Authorizes access to protected resources.
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The client accesses protected resources by presenting the access
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token to the resource server. The resource server MUST validate the
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access token and ensure that it has not expired and that its scope
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covers the requested resource. The methods used by the resource
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server to validate the access token (as well as any error responses)
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are beyond the scope of this specification but generally involve an
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interaction or coordination between the resource server and the
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authorization server::
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# For most cases, returning a 403 should suffice.
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The method in which the client utilizes the access token to
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authenticate with the resource server depends on the type of access
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token issued by the authorization server. Typically, it involves
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using the HTTP "Authorization" request header field [RFC2617] with an
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authentication scheme defined by the specification of the access
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token type used, such as [RFC6750]::
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# Access tokens may also be provided in query and body
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https://example.com/protected?access_token=kjfch2345sdf # Query
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access_token=sdf23409df # Body
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"""
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def __init__(self, default_token, token_types):
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BaseEndpoint.__init__(self)
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self._tokens = token_types
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self._default_token = default_token
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@property
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def default_token(self):
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return self._default_token
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@property
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def default_token_type_handler(self):
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return self.tokens.get(self.default_token)
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@property
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def tokens(self):
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return self._tokens
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@catch_errors_and_unavailability
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def verify_request(self, uri, http_method='GET', body=None, headers=None,
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scopes=None):
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"""Validate client, code etc, return body + headers"""
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request = Request(uri, http_method, body, headers)
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request.token_type = self.find_token_type(request)
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request.scopes = scopes
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token_type_handler = self.tokens.get(request.token_type,
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self.default_token_type_handler)
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log.debug('Dispatching token_type %s request to %r.',
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request.token_type, token_type_handler)
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return token_type_handler.validate_request(request), request
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def find_token_type(self, request):
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"""Token type identification.
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RFC 6749 does not provide a method for easily differentiating between
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different token types during protected resource access. We estimate
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the most likely token type (if any) by asking each known token type
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to give an estimation based on the request.
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"""
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estimates = sorted(((t.estimate_type(request), n)
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for n, t in self.tokens.items()))
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return estimates[0][1] if len(estimates) else None
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