92 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			92 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?php
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| /**
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|  * StatusNet, the distributed open-source microblogging tool
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|  *
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|  * Plugin to show reCaptcha when a user registers 
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|  *
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|  * PHP version 5
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|  *
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|  * LICENCE: This program is free software: you can redistribute it and/or modify
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|  * it under the terms of the GNU Affero General Public License as published by
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|  * the Free Software Foundation, either version 3 of the License, or
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|  * (at your option) any later version.
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|  *
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|  * This program is distributed in the hope that it will be useful,
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|  * but WITHOUT ANY WARRANTY; without even the implied warranty of
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|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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|  * GNU Affero General Public License for more details.
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|  *
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|  * You should have received a copy of the GNU Affero General Public License
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|  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
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|  *
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|  * @category  Plugin
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|  * @package   StatusNet
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|  * @author    Eric Helgeson <erichelgeson@gmail.com>
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|  * @copyright 2009
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|  * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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|  * @link      http://status.net/
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|  */
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| 
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| if (!defined('STATUSNET') && !defined('LACONICA')) {
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|     exit(1);
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| }
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| 
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| define('RECAPTCHA', '0.2');
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| 
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| require_once(INSTALLDIR.'/plugins/Recaptcha/recaptchalib.php');
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| 
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| class RecaptchaPlugin extends Plugin
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| {
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|     var $private_key;
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|     var $public_key;
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|     var $display_errors;
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|     var $failed;
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|     var $ssl;
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| 
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|     function onInitializePlugin(){
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|         if(!isset($this->private_key)) {
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|             common_log(LOG_ERR, 'Recaptcha: Must specify private_key in config.php');
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|         }
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|         if(!isset($this->public_key)) {
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|             common_log(LOG_ERR, 'Recaptcha: Must specify public_key in config.php');
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|         }
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|     }
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| 
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|     function checkssl(){
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|         if(common_config('site', 'ssl') === 'sometimes' || common_config('site', 'ssl') === 'always') {
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|             return true;
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|         }
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|         return false;
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|     }
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| 
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| 
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|     function onEndRegistrationFormData($action)
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|     {
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|         $action->elementStart('li');
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|         $action->raw('<label for="recaptcha">Captcha</label>');
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|         if($this->checkssl() === true) {
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|             $action->raw(recaptcha_get_html($this->public_key), null, true);
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|         } else { 
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|             $action->raw(recaptcha_get_html($this->public_key));
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|         }
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|         $action->elementEnd('li');
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|         return true;
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|     }
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| 
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|     function onStartRegistrationTry($action)
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|     {
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|         $resp = recaptcha_check_answer ($this->private_key,
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|                                         $_SERVER["REMOTE_ADDR"],
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|                                         $action->trimmed('recaptcha_challenge_field'),
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|                                         $action->trimmed('recaptcha_response_field'));
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| 
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|         if (!$resp->is_valid) {
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|             if($this->display_errors) {
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|                 $action->showForm ("(reCAPTCHA error: " . $resp->error . ")");
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|             }
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|             $action->showForm("Captcha does not match!");
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|             return false;
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|         }
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|     }
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| }
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