Subversion Repositories cheapmusic

<?php

/***************************************************************************

 *   Copyright (C) 2009-2011 by Geo Varghese(www.seopanel.in)  	   *

 *   sendtogeo@gmail.com   												   *

 *                                                                         *

 *   This program is free software; you can redistribute it and/or modify  *

 *   it under the terms of the GNU General Public License as published by  *

 *   the Free Software Foundation; either version 2 of the License, or     *

 *   (at your option) any later version.                                   *

 *                                                                         *

 *   This program is distributed in the hope that it will be useful,       *

 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *

 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *

 *   GNU General Public License for more details.                          *

 *                                                                         *

 *   You should have received a copy of the GNU General Public License     *

 *   along with this program; if not, write to the                         *

 *   Free Software Foundation, Inc.,                                       *

 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *

 ***************************************************************************/

// include google api module

include_once(SP_LIBPATH . "/google-api-php-client/vendor/autoload.php");

include_once(SP_CTRLPATH . "/user-token.ctrl.php");

// class defines all google api controller functions

class GoogleAPIController extends Controller{

	var $tokenCtrler;

	var $sourceName = 'google';

	/*

	 * contructor

	 */

	function __construct() {

		parent::__construct();

		$this->tokenCtrler = new UserTokenController();

	}

	/*

	 * function to create auth api client with credentials

	 */

	function createAuthAPIClient() {

		// if credentials defined

		if (defined('SP_GOOGLE_API_CLIENT_ID') && defined('SP_GOOGLE_API_CLIENT_SECRET') && SP_GOOGLE_API_CLIENT_ID != '' && SP_GOOGLE_API_CLIENT_SECRET != '') {

			$client = new Google_Client();

			$client->setApplicationName("SP_CHECKER");

			$client->setClientId(SP_GOOGLE_API_CLIENT_ID);

			$client->setClientSecret(SP_GOOGLE_API_CLIENT_SECRET);

			$client->setAccessType('offline');

			$redirectUrl = SP_WEBPATH . "/admin-panel.php?sec=connections&action=connect_return&category=" . $this->sourceName;

			$client->setRedirectUri($redirectUrl);

			// set app scopes

			$client = $this->setAppScopes($client);

		} else {

			$alertCtler = new AlertController();

			$alertInfo = array(

				'alert_subject' => "Click here to enter Google Auth Credentials",

				'alert_message' => "Error: Google Auth Credentials not set",

				'alert_url' => SP_WEBPATH ."/admin-panel.php?sec=google-settings",

				'alert_type' => "danger",

				'alert_category' => "reports",

			);

			$alertCtler->createAlert($alertInfo, false, true);

			return "Error: Google Auth Credentials not set.";

		}

		return $client;

	}

	/**

	 * function to get auth client

	 */

	function getAuthClient($userId) {

		$client = $this->createAuthAPIClient();

		// if client created successfully

		if (is_object($client)) {

			// get user token

			$tokenInfo = $this->tokenCtrler->getUserToken($userId, $this->sourceName);

			// if token not set for the user

			if (empty($tokenInfo['access_token'])) {

			    $spTextWebmaster = $this->getLanguageTexts('webmaster', $_SESSION['lang_code']);

			    $errorText = $spTextWebmaster["Error: Google api connection failed"] . ". ";

			    $errorText .= "<a href='".SP_WEBPATH ."/admin-panel.php?sec=connections' target='_blank'>{$spTextWebmaster['Click here to connect to your google account']}.</a>";

                $alertCtler = new AlertController();

                $alertInfo = array(

					'alert_subject' => $spTextWebmaster['Click here to connect to your google account'],

					'alert_message' => $spTextWebmaster["Error: Google api connection failed"],

					'alert_url' => SP_WEBPATH ."/admin-panel.php?sec=connections",

					'alert_type' => "danger",

					'alert_category' => "reports",

				);

                $alertCtler->createAlert($alertInfo, $userId);

			    return $errorText;

			}

			// set token info

			$tokenInfo['created'] = strtotime($tokenInfo['created']);

			$client->setAccessToken($tokenInfo);

			// check whether token expired, then refresh existing token

			if ($client->isAccessTokenExpired()) {

				try {

					$client->refreshToken($tokenInfo['refresh_token']);

					$newToken = $client->getAccessToken();

					$newTokenInfo = array();

					$newTokenInfo['created'] = date('Y-m-d H:i:s', $newToken['created']);

					$newTokenInfo['access_token'] = $newToken['access_token'];

					$newTokenInfo['token_type'] = $newToken['token_type'];

					$newTokenInfo['expires_in'] = $newToken['expires_in'];

					// comment refresh token update to test the perfomnace

					/*$newTokenInfo['refresh_token'] = $newToken['refresh_token'];*/

					$this->tokenCtrler->updateUserToken($tokenInfo['id'], $newTokenInfo);

				} catch (Exception $e) {

					$err = $e->getMessage();

					return "Error: Refresh token - $err";

				}

			}

		}

		return $client;

	}

	/*

	 * function to setup app scopes(read write permissions)

	 */

	function setAppScopes($client) {

	    $client->addScope([Google_Service_Webmasters::WEBMASTERS, Google_Service_AnalyticsReporting::ANALYTICS_READONLY]);

		return $client;

	}

	/*

	 * function to get auth url

	 */

	function getAPIAuthUrl($userId) {

		$ret = array('auth_url' => false);

		$client = $this->createAuthAPIClient();

		// if client created successfully

		if (is_object($client)) {

			try {

				$authUrl = $client->createAuthUrl();

				$ret['auth_url'] = $authUrl;

			} catch (Exception $e) {

				$err = $e->getMessage();

				$ret['msg'] = "Error: Create token - $err";

			}

		} else {

			$ret['msg'] = $client;

		}

		return $ret;

	}

	/*

	 * function to create auth token

	 */

	function createUserAuthToken($userId, $authCode) {

		$ret = array('status' => false);

		$client = $this->createAuthAPIClient();

		// if client created successfully

		if (is_object($client)) {

			try {

				$tkInfo = $client->fetchAccessTokenWithAuthCode($authCode);

				$tokenInfo['created'] = date('Y-m-d H:i:s', $tkInfo['created']);

				$tokenInfo['user_id'] = intval($userId);

				$tokenInfo['access_token'] = $tkInfo['access_token'];

				$tokenInfo['token_type'] = $tkInfo['token_type'];

				$tokenInfo['expires_in'] = $tkInfo['expires_in'];

				$tokenInfo['refresh_token'] = $tkInfo['refresh_token'];

				$this->tokenCtrler->insertUserToken($tokenInfo);

				$ret['status'] = true;

			} catch (Exception $e) {

				$err = $e->getMessage();

				$ret['msg'] = "Error: Create token - $err";

			}

		} else {

			$ret['msg'] = $client;

		}

		return $ret;

	}

	/*

	 * function to remove all user tokens

	 */

	function removeUserAuthToken($userId) {

		$ret = array('status' => false);

		try {

			$tokenInfo = $this->tokenCtrler->getUserToken($userId, $this->sourceName);

			if (!empty($tokenInfo['id'])) {

				$client = $this->createAuthAPIClient();

				$client->revokeToken($tokenInfo['access_token']);

			}

		} catch (Exception $e) {

			$err = $e->getMessage();

			$ret['msg'] = "Error: revoke token - $err";

		}

		$tokenInfo = $this->tokenCtrler->deleteAllUserTokens($userId, $this->sourceName);

		return $ret;

	}

}

?>