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;
                
        }
                        
}
?>