<?php

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/*

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* Copyright 2010 Google Inc.

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*

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* Licensed under the Apache License, Version 2.0 (the "License");

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* you may not use this file except in compliance with the License.

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* You may obtain a copy of the License at

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*

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* http://www.apache.org/licenses/LICENSE-2.0

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*

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* Unless required by applicable law or agreed to in writing, software

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* distributed under the License is distributed on an "AS IS" BASIS,

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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

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* See the License for the specific language governing permissions and

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* limitations under the License.

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*/

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if (!class_exists('UDP_Google_Client')) {

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require_once dirname(__FILE__) . '/../autoload.php';

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}

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/**

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* Abstract class for the Authentication in the API client

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* @author Chris Chabot <chabotc@google.com>

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*

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*/

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abstract class Google_Auth_Abstract

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{

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/**

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* An utility function that first calls $this->auth->sign($request) and then

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* executes makeRequest() on that signed request. Used for when a request

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* should be authenticated

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* @param Google_Http_Request $request

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* @return Google_Http_Request $request

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*/

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abstract public function authenticatedRequest(UDP_Google_Http_Request $request);

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abstract public function sign(UDP_Google_Http_Request $request);

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}

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