class.ilAuthWeb.php

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<?php
/*
        +-----------------------------------------------------------------------------+
        | ILIAS open source                                                           |
        +-----------------------------------------------------------------------------+
        | Copyright (c) 1998-2001 ILIAS open source, University of Cologne            |
        |                                                                             |
        | 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. |
        +-----------------------------------------------------------------------------+
*/

class ilAuthWeb extends Auth
{
        public function supportsRedirects()
        {
                return true;
        } 

        public function __construct($a_container,$a_addition_options = array())
        {
                parent::__construct($a_container,$a_addition_options,'',false);
                $this->setSessionName("_authhttp".md5(CLIENT_ID));
                
                $this->initAuth();
        }

        public function login()
        {
                $this->_loadStorage();

                if(
                        !empty($this->username) && 
                        'anonymous' != $this->username &&
                        $this->storage->supportsCaptchaVerification()
                )
                {
                        require_once 'Services/Captcha/classes/class.ilCaptchaUtil.php';
                        if(ilCaptchaUtil::isActiveForLogin())
                        {
                                require_once 'Services/Form/classes/class.ilPropertyFormGUI.php';
                                require_once 'Services/Captcha/classes/class.ilCaptchaInputGUI.php';
                                $captcha = new ilCaptchaInputGUI('', 'captcha_code');
                                $captcha->setRequired(true);
                                if(!$captcha->checkInput())
                                {
                                        $this->log('Captcha verification failed');
                                        $this->status = AUTH_CAPTCHA_INVALID;
                                        return;
                                }
                        }
                }

                parent::login();
        }
}