لا استطيع تسجيل الدخول الى المنتدى

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[البيك]

???? ?????? ??? login.php
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كود: تحديد الكل

<?php
/***************************************************************************
 *                                login.php
 *                            -------------------
 *   begin                : Saturday, Feb 13, 2001
 *   copyright            : (C) 2001 The phpBB Group
 *   email                : support@phpbb.com
 *
 *   $Id: login.php,v 1.47.2.20 2005/10/30 15:17:13 acydburn Exp $
 *
 *
 ***************************************************************************/

/***************************************************************************
 *
 *   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.
 *
 ***************************************************************************/

//
// Allow people to reach login page if
// board is shut down
//
define("IN_LOGIN", true);

define('IN_PHPBB', true);
$phpbb_root_path = './';
include($phpbb_root_path . 'extension.inc');
include($phpbb_root_path . 'common.'.$phpEx);

//
// Set page ID for session management
//
$userdata = session_pagestart($user_ip, PAGE_LOGIN);
init_userprefs($userdata);
//
// End session management
//

// session id check
if (!empty($HTTP_POST_VARS['sid']) || !empty($HTTP_GET_VARS['sid']))
{
        $sid = (!empty($HTTP_POST_VARS['sid'])) ? $HTTP_POST_VARS['sid'] : $HTTP_GET_VARS['sid'];
}
else
{
        $sid = '';
}

if( isset($HTTP_POST_VARS['login']) || isset($HTTP_GET_VARS['login']) || isset($HTTP_POST_VARS['logout']) || isset($HTTP_GET_VARS['logout']) )
{
        if( ( isset($HTTP_POST_VARS['login']) || isset($HTTP_GET_VARS['login']) ) && (!$userdata['session_logged_in'] || isset($HTTP_POST_VARS['admin'])) )
        {
                $username = isset($HTTP_POST_VARS['username']) ? phpbb_clean_username($HTTP_POST_VARS['username']) : '';
                $password = isset($HTTP_POST_VARS['password']) ? $HTTP_POST_VARS['password'] : '';

                $sql = "SELECT user_id, username, user_password, user_active, user_level
                        FROM " . USERS_TABLE . "
                        WHERE username = '" . str_replace("\\'", "''", $username) . "'";
                if ( !($result = $db->sql_query($sql)) )
                {
                        message_die(GENERAL_ERROR, 'Error in obtaining userdata', '', __LINE__, __FILE__, $sql);
                }

                if( $row = $db->sql_fetchrow($result) )
                {
                        if( $row['user_level'] != ADMIN && $board_config['board_disable'] )
                        {
                                redirect(append_sid("index.$phpEx", true));
                        }
                        else
                        {
                                if( md5($password) == $row['user_password'] && $row['user_active'] )
                                {
                                        $autologin = ( isset($HTTP_POST_VARS['autologin']) ) ? TRUE : 0;

                                        $admin = (isset($HTTP_POST_VARS['admin'])) ? 1 : 0;
                                        $session_id = session_begin($row['user_id'], $user_ip, PAGE_INDEX, FALSE, $autologin, $admin);

                                        if( $session_id )
                                        {
                                                $url = ( !empty($HTTP_POST_VARS['redirect']) ) ? str_replace('&', '&', htmlspecialchars($HTTP_POST_VARS['redirect'])) : "index.$phpEx";
                                                redirect(append_sid($url, true));
                                        }
                                        else
                                        {
                                                message_die(CRITICAL_ERROR, "Couldn't start session : login", "", __LINE__, __FILE__);
                                        }
                                }
                                else
                                {
                                        $redirect = ( !empty($HTTP_POST_VARS['redirect']) ) ? str_replace('&', '&', htmlspecialchars($HTTP_POST_VARS['redirect'])) : '';
                                        $redirect = str_replace('?', '&', $redirect);

                                        if (strstr(urldecode($redirect), "\n") || strstr(urldecode($redirect), "\r"))
                                        {
                                                message_die(GENERAL_ERROR, 'Tried to redirect to potentially insecure url.');
                                        }

                                        $template->assign_vars(array(
                                                'META' => "<meta http-equiv=\"refresh\" content=\"3;url=login.$phpEx?redirect=$redirect\">")
                                        );

                                        $message = $lang['Error_login'] . '<br /><br />' . sprintf($lang['Click_return_login'], "<a href=\"login.$phpEx?redirect=$redirect\">", '</a>') . '<br /><br />' .  sprintf($lang['Click_return_index'], '<a href="' . append_sid("index.$phpEx") . '">', '</a>');

                                        message_die(GENERAL_MESSAGE, $message);
                                }
                        }
                }
                else
                {
                        $redirect = ( !empty($HTTP_POST_VARS['redirect']) ) ? str_replace('&', '&', htmlspecialchars($HTTP_POST_VARS['redirect'])) : "";
                        $redirect = str_replace("?", "&", $redirect);

                        if (strstr(urldecode($redirect), "\n") || strstr(urldecode($redirect), "\r"))
                        {
                                message_die(GENERAL_ERROR, 'Tried to redirect to potentially insecure url.');
                        }

                        $template->assign_vars(array(
                                'META' => "<meta http-equiv=\"refresh\" content=\"3;url=login.$phpEx?redirect=$redirect\">")
                        );

                        $message = $lang['Error_login'] . '<br /><br />' . sprintf($lang['Click_return_login'], "<a href=\"login.$phpEx?redirect=$redirect\">", '</a>') . '<br /><br />' .  sprintf($lang['Click_return_index'], '<a href="' . append_sid("index.$phpEx") . '">', '</a>');

                        message_die(GENERAL_MESSAGE, $message);
                }
        }
        else if( ( isset($HTTP_GET_VARS['logout']) || isset($HTTP_POST_VARS['logout']) ) && $userdata['session_logged_in'] )
        {
                // session id check
                if ($sid == '' || $sid != $userdata['session_id'])
                {
                        message_die(GENERAL_ERROR, 'Invalid_session');
                }

                if( $userdata['session_logged_in'] )
                {
                        session_end($userdata['session_id'], $userdata['user_id']);
                }

                if (!empty($HTTP_POST_VARS['redirect']) || !empty($HTTP_GET_VARS['redirect']))
                {
                        $url = (!empty($HTTP_POST_VARS['redirect'])) ? htmlspecialchars($HTTP_POST_VARS['redirect']) : htmlspecialchars($HTTP_GET_VARS['redirect']);
                        $url = str_replace('&', '&', $url);
                        redirect(append_sid($url, true));
                }
                else
                {
                        redirect(append_sid("index.$phpEx", true));
                }
        }
        else
        {
                $url = ( !empty($HTTP_POST_VARS['redirect']) ) ? str_replace('&', '&', htmlspecialchars($HTTP_POST_VARS['redirect'])) : "index.$phpEx";
                redirect(append_sid($url, true));
        }
}
else
{
        //
        // Do a full login page dohickey if
        // user not already logged in
        //
        if( !$userdata['session_logged_in'] || (isset($HTTP_GET_VARS['admin']) && $userdata['session_logged_in'] && $userdata['user_level'] == ADMIN))
        {
                $page_title = $lang['Login'];
                include($phpbb_root_path . 'includes/page_header.'.$phpEx);

                $template->set_filenames(array(
                        'body' => 'login_body.tpl')
                );

                $forward_page = '';

                if( isset($HTTP_POST_VARS['redirect']) || isset($HTTP_GET_VARS['redirect']) )
                {
                        $forward_to = $HTTP_SERVER_VARS['QUERY_STRING'];

                        if( preg_match("/^redirect=([a-z0-9\.#\/\?&=\+\-_]+)/si", $forward_to, $forward_matches) )
                        {
                                $forward_to = ( !empty($forward_matches[3]) ) ? $forward_matches[3] : $forward_matches[1];
                                $forward_match = explode('&', $forward_to);

                                if(count($forward_match) > 1)
                                {
                                        for($i = 1; $i < count($forward_match); $i++)
                                        {
                                                if( !ereg("sid=", $forward_match[$i]) )
                                                {
                                                        if( $forward_page != '' )
                                                        {
                                                                $forward_page .= '&';
                                                        }
                                                        $forward_page .= $forward_match[$i];
                                                }
                                        }
                                        $forward_page = $forward_match[0] . '?' . $forward_page;
                                }
                                else
                                {
                                        $forward_page = $forward_match[0];
                                }
                        }
                }

                $username = ( $userdata['user_id'] != ANONYMOUS ) ? $userdata['username'] : '';

                $s_hidden_fields = '<input type="hidden" name="redirect" value="' . $forward_page . '" />';
                $s_hidden_fields .= (isset($HTTP_GET_VARS['admin'])) ? '<input type="hidden" name="admin" value="1" />' : '';

                make_jumpbox('viewforum.'.$phpEx);
                $template->assign_vars(array(
                        'USERNAME' => $username,

                        'L_ENTER_PASSWORD' => (isset($HTTP_GET_VARS['admin'])) ? $lang['Admin_reauthenticate'] : $lang['Enter_password'],
                        'L_SEND_PASSWORD' => $lang['Forgotten_password'],

                        'U_SEND_PASSWORD' => append_sid("profile.$phpEx?mode=sendpassword"),

                        'S_HIDDEN_FIELDS' => $s_hidden_fields)
                );

                $template->pparse('body');

                include($phpbb_root_path . 'includes/page_tail.'.$phpEx);
        }
        else
        {
                redirect(append_sid("index.$phpEx", true));
        }

}

?>

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