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();
    }
}