mirror of
https://github.com/morpheus65535/bazarr
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134 lines
5.7 KiB
Python
134 lines
5.7 KiB
Python
# -*- coding: utf-8 -*-
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"""
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oauthlib.oauth2.rfc6749.endpoint.revocation
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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An implementation of the OAuth 2 `Token Revocation`_ spec (draft 11).
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.. _`Token Revocation`: https://tools.ietf.org/html/draft-ietf-oauth-revocation-11
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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 ..errors import (InvalidClientError, InvalidRequestError, OAuth2Error,
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UnsupportedTokenTypeError)
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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 RevocationEndpoint(BaseEndpoint):
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"""Token revocation endpoint.
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Endpoint used by authenticated clients to revoke access and refresh tokens.
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Commonly this will be part of the Authorization Endpoint.
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"""
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valid_token_types = ('access_token', 'refresh_token')
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def __init__(self, request_validator, supported_token_types=None,
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enable_jsonp=False):
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BaseEndpoint.__init__(self)
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self.request_validator = request_validator
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self.supported_token_types = (
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supported_token_types or self.valid_token_types)
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self.enable_jsonp = enable_jsonp
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@catch_errors_and_unavailability
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def create_revocation_response(self, uri, http_method='POST', body=None,
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headers=None):
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"""Revoke supplied access or refresh token.
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The authorization server responds with HTTP status code 200 if the
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token has been revoked sucessfully or if the client submitted an
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invalid token.
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Note: invalid tokens do not cause an error response since the client
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cannot handle such an error in a reasonable way. Moreover, the purpose
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of the revocation request, invalidating the particular token, is
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already achieved.
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The content of the response body is ignored by the client as all
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necessary information is conveyed in the response code.
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An invalid token type hint value is ignored by the authorization server
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and does not influence the revocation response.
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"""
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request = Request(
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uri, http_method=http_method, body=body, headers=headers)
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try:
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self.validate_revocation_request(request)
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log.debug('Token revocation valid for %r.', request)
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except OAuth2Error as e:
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log.debug('Client error during validation of %r. %r.', request, e)
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response_body = e.json
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if self.enable_jsonp and request.callback:
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response_body = '%s(%s);' % (request.callback, response_body)
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return {}, response_body, e.status_code
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self.request_validator.revoke_token(request.token,
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request.token_type_hint, request)
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response_body = ''
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if self.enable_jsonp and request.callback:
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response_body = request.callback + '();'
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return {}, response_body, 200
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def validate_revocation_request(self, request):
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"""Ensure the request is valid.
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The client constructs the request by including the following parameters
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using the "application/x-www-form-urlencoded" format in the HTTP
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request entity-body:
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token (REQUIRED). The token that the client wants to get revoked.
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token_type_hint (OPTIONAL). A hint about the type of the token
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submitted for revocation. Clients MAY pass this parameter in order to
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help the authorization server to optimize the token lookup. If the
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server is unable to locate the token using the given hint, it MUST
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extend its search accross all of its supported token types. An
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authorization server MAY ignore this parameter, particularly if it is
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able to detect the token type automatically. This specification
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defines two such values:
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* access_token: An Access Token as defined in [RFC6749],
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`section 1.4`_
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* refresh_token: A Refresh Token as defined in [RFC6749],
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`section 1.5`_
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Specific implementations, profiles, and extensions of this
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specification MAY define other values for this parameter using
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the registry defined in `Section 4.1.2`_.
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The client also includes its authentication credentials as described in
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`Section 2.3`_. of [`RFC6749`_].
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.. _`section 1.4`: https://tools.ietf.org/html/rfc6749#section-1.4
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.. _`section 1.5`: https://tools.ietf.org/html/rfc6749#section-1.5
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.. _`section 2.3`: https://tools.ietf.org/html/rfc6749#section-2.3
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.. _`Section 4.1.2`: https://tools.ietf.org/html/draft-ietf-oauth-revocation-11#section-4.1.2
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.. _`RFC6749`: https://tools.ietf.org/html/rfc6749
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"""
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if not request.token:
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raise InvalidRequestError(request=request,
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description='Missing token parameter.')
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if self.request_validator.client_authentication_required(request):
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if not self.request_validator.authenticate_client(request):
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log.debug('Client authentication failed, %r.', request)
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raise InvalidClientError(request=request)
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elif not self.request_validator.authenticate_client_id(request.client_id, request):
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log.debug('Client authentication failed, %r.', request)
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raise InvalidClientError(request=request)
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if (request.token_type_hint and
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request.token_type_hint in self.valid_token_types and
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request.token_type_hint not in self.supported_token_types):
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raise UnsupportedTokenTypeError(request=request)
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