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Directory >> /home/sgspfrnwbu/www/wp-content/plugins/google-analytics-dashboard-for-wp/tools/src/Deconf/Auth/

File / Folder	Size	Action
.	-
.htaccess	0.268KB	edt ren
Abstract.php	1.244KB	edt ren
AppIdentity.php	3.402KB	edt ren
AssertionCredentials.php	3.775KB	edt ren
ComputeEngine.php	4.148KB	edt ren
Exception.php	0.737KB	edt ren
LoginTicket.php	1.881KB	edt ren
OAuth2.php	19.093KB	edt ren
Simple.php	1.94KB	edt ren

<?php
/*
 * Copyright 2014 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/*
 * WARNING - this class depends on the Google App Engine PHP library
 * which is 5.3 and above only, so if you include this in a PHP 5.2
 * setup or one without 5.3 things will blow up.
 */
use google\appengine\api\app_identity\AppIdentityService;

if (!class_exists('Deconf_Client')) {
  require_once dirname(__FILE__) . '/../autoload.php';
}

/**
 * Authentication via the Google App Engine App Identity service.
 */
class Deconf_Auth_AppIdentity extends Deconf_Auth_Abstract
{
  const CACHE_PREFIX = "Deconf_Auth_AppIdentity::";
  private $client;
  private $token = false;
  private $tokenScopes = false;

public function __construct(Deconf_Client $client, $config = null)
  {
    $this->client = $client;
  }

/**
   * Retrieve an access token for the scopes supplied.
   */
  public function authenticateForScope($scopes)
  {
    if ($this->token && $this->tokenScopes == $scopes) {
      return $this->token;
    }

$cacheKey = self::CACHE_PREFIX;
    if (is_string($scopes)) {
      $cacheKey .= $scopes;
    } else if (is_array($scopes)) {
      $cacheKey .= implode(":", $scopes);
    }

$this->token = $this->client->getCache()->get($cacheKey);
    if (!$this->token) {
      $this->retrieveToken($scopes, $cacheKey);
    } else if ($this->token['expiration_time'] < time()) {
      $this->client->getCache()->delete($cacheKey);
      $this->retrieveToken($scopes, $cacheKey);
    }

$this->tokenScopes = $scopes;
    return $this->token;
  }

/**
   * Retrieve a new access token and store it in cache
   * @param mixed $scopes
   * @param string $cacheKey
   */
  private function retrieveToken($scopes, $cacheKey)
  {
    $this->token = AppIdentityService::getAccessToken($scopes);
    if ($this->token) {
      $this->client->getCache()->set(
          $cacheKey,
          $this->token
      );
    }
  }

/**
   * Perform an authenticated / signed apiHttpRequest.
   * This function takes the apiHttpRequest, calls apiAuth->sign on it
   * (which can modify the request in what ever way fits the auth mechanism)
   * and then calls apiCurlIO::makeRequest on the signed request
   *
   * @param Deconf_Http_Request $request
   * @return Deconf_Http_Request The resulting HTTP response including the
   * responseHttpCode, responseHeaders and responseBody.
   */
  public function authenticatedRequest(Deconf_Http_Request $request)
  {
    $request = $this->sign($request);
    return $this->client->getIo()->makeRequest($request);
  }

public function sign(Deconf_Http_Request $request)
  {
    if (!$this->token) {
      // No token, so nothing to do.
      return $request;
    }

$this->client->getLogger()->debug('App Identity authentication');

// Add the OAuth2 header to the request
    $request->setRequestHeaders(
        array('Authorization' => 'Bearer ' . $this->token['access_token'])
    );

return $request;
  }
}

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