Python Consumer.do_access_token_request方法代码示例

# 需要导入模块: from oic.oauth2.consumer import Consumer [as 别名]
# 或者: from oic.oauth2.consumer.Consumer import do_access_token_request [as 别名]

#.........这里部分代码省略.........
        :type context: satosa.context.Context
        :type internal_request: satosa.internal_data.InternalRequest
        :rtype satosa.response.Redirect
        """
        oauth_state = get_state(self.config["base_url"], rndstr().encode())

        state_data = dict(state=oauth_state)
        context.state[self.name] = state_data

        request_args = {"redirect_uri": self.redirect_url, "state": oauth_state}
        cis = self.consumer.construct_AuthorizationRequest(request_args=request_args)
        return Redirect(cis.request(self.consumer.authorization_endpoint))

    def register_endpoints(self):
        """
        Creates a list of all the endpoints this backend module needs to listen to. In this case
        it's the authentication response from the underlying OP that is redirected from the OP to
        the proxy.
        :rtype: Sequence[(str, Callable[[satosa.context.Context], satosa.response.Response]]
        :return: A list that can be used to map the request to SATOSA to this endpoint.
        """
        return [("^%s$" % self.config["authz_page"], self._authn_response)]

    def _verify_state(self, resp, state_data, state):
        """
        Will verify the state and throw and error if the state is invalid.
        :type resp: AuthorizationResponse
        :type state_data: dict[str, str]
        :type state: satosa.state.State

        :param resp: The authorization response from the AS, created by pyoidc.
        :param state_data: The state data for this backend.
        :param state: The current state for the proxy and this backend.
        Only used for raising errors.
        """
        is_known_state = "state" in resp and "state" in state_data and resp["state"] == state_data["state"]
        if not is_known_state:
            received_state = resp.get("state", "")
            satosa_logging(logger, logging.DEBUG,
                           "Missing or invalid state [%s] in response!" % received_state, state)
            raise SATOSAAuthenticationError(state,
                                            "Missing or invalid state [%s] in response!" %
                                            received_state)

    def _authn_response(self, context):
        """
        Handles the authentication response from the AS.

        :type context: satosa.context.Context
        :rtype: satosa.response.Response
        :param context: The context in SATOSA
        :return: A SATOSA response. This method is only responsible to call the callback function
        which generates the Response object.
        """
        state_data = context.state[self.name]
        aresp = self.consumer.parse_response(AuthorizationResponse, info=json.dumps(context.request))
        self._verify_state(aresp, state_data, context.state)

        rargs = {"code": aresp["code"], "redirect_uri": self.redirect_url,
                 "state": state_data["state"]}

        atresp = self.consumer.do_access_token_request(request_args=rargs, state=aresp["state"])
        if "verify_accesstoken_state" not in self.config or self.config["verify_accesstoken_state"]:
            self._verify_state(atresp, state_data, context.state)

        user_info = self.user_information(atresp["access_token"])
        internal_response = InternalResponse(auth_info=self.auth_info(context.request))
        internal_response.attributes = self.converter.to_internal(self.external_type, user_info)
        internal_response.user_id = user_info[self.user_id_attr]
        del context.state[self.name]
        return self.auth_callback_func(context, internal_response)

    def auth_info(self, request):
        """
        Creates the SATOSA authentication information object.
        :type request: dict[str, str]
        :rtype: AuthenticationInformation

        :param request: The request parameters in the authentication response sent by the AS.
        :return: How, who and when the autentication took place.
        """
        raise NotImplementedError("Method 'auth_info' must be implemented in the subclass!")

    def user_information(self, access_token):
        """
        Will retrieve the user information data for the authenticated user.
        :type access_token: str
        :rtype: dict[str, str]

        :param access_token: The access token to be used to retrieve the data.
        :return: Dictionary with attribute name as key and attribute value as value.
        """
        raise NotImplementedError("Method 'user_information' must be implemented in the subclass!")

    def get_metadata_desc(self):
        """
        See satosa.backends.oauth.get_metadata_desc
        :rtype: satosa.metadata_creation.description.MetadataDescription
        """
        return get_metadata_desc_for_oauth_backend(self.config, self.config["server_info"]["authorization_endpoint"])