<?php

/**

*

* @package phpBB3

* @version $Id$

* @copyright (c) 2005 phpBB Group

* @license http://opensource.org/licenses/gpl-license.php GNU Public License

*

*/

/**

* @ignore

*/

define('IN_PHPBB', true);

$phpbb_root_path = (defined('PHPBB_ROOT_PATH')) ? PHPBB_ROOT_PATH : './';

$phpEx = substr(strrchr(__FILE__, '.'), 1);

require($phpbb_root_path . 'includes/startup.' . $phpEx);

require($phpbb_root_path . 'config.' . $phpEx);

if (!defined('PHPBB_INSTALLED') || empty($dbms) || empty($acm_type))

{

exit;

}

// Load Extensions

if (!empty($load_extensions) && function_exists('dl'))

{

$load_extensions = explode(',', $load_extensions);

foreach ($load_extensions as $extension)

{

@dl(trim($extension));

}

}

$id = (isset($_GET['id'])) ? intval($_GET['id']) : 0;

// This is a simple script to grab and output the requested CSS data stored in the DB

// We include a session_id check to try and limit 3rd party linking ... unless they

// happen to have a current session it will output nothing. We will also cache the

// resulting CSS data for five minutes ... anything to reduce the load on the SQL

// server a little

if ($id)

{

// Include files

require($phpbb_root_path . 'includes/acm/acm_' . $acm_type . '.' . $phpEx);

require($phpbb_root_path . 'includes/cache.' . $phpEx);

require($phpbb_root_path . 'includes/db/' . $dbms . '.' . $phpEx);

require($phpbb_root_path . 'includes/constants.' . $phpEx);

require($phpbb_root_path . 'includes/functions.' . $phpEx);

$db = new $sql_db();

$cache = new cache();

// Connect to DB

if (!@$db->sql_connect($dbhost, $dbuser, $dbpasswd, $dbname, $dbport, false, false))

{

exit;

}

unset($dbpasswd);

$config = $cache->obtain_config();

$user = false;

// try to get a session ID from REQUEST array

$sid = request_var('sid', '');

if (!$sid)

{

// if that failed, then look in the cookies

$sid = request_var($config['cookie_name'] . '_sid', '', false, true);

}

if (strspn($sid, 'abcdefABCDEF0123456789') !== strlen($sid))

{

$sid = '';

}

if ($sid)

{

$sql = 'SELECT u.user_id, u.user_lang

FROM ' . SESSIONS_TABLE . ' s, ' . USERS_TABLE . " u

WHERE s.session_id = '" . $db->sql_escape($sid) . "'

AND s.session_user_id = u.user_id";

$result = $db->sql_query($sql);

$user = $db->sql_fetchrow($result);

$db->sql_freeresult($result);

}

$recompile = $config['load_tplcompile'];

if (!$user)

{

$id = ($id) ? $id : $config['default_style'];

// Commented out because calls do not always include the SID anymore

// $recompile = false;

$user = array('user_id' => ANONYMOUS);

}

$sql = 'SELECT s.style_id, c.theme_id, c.theme_data, c.theme_path, c.theme_name, c.theme_mtime, i.*, t.template_path

FROM ' . STYLES_TABLE . ' s, ' . STYLES_TEMPLATE_TABLE . ' t, ' . STYLES_THEME_TABLE . ' c, ' . STYLES_IMAGESET_TABLE . ' i

WHERE s.style_id = ' . $id . '

AND t.template_id = s.template_id

AND c.theme_id = s.theme_id

AND i.imageset_id = s.imageset_id';

$result = $db->sql_query($sql, 300);

$theme = $db->sql_fetchrow($result);

$db->sql_freeresult($result);

if (!$theme)

{

exit;

}

if ($user['user_id'] == ANONYMOUS)

{

$user['user_lang'] = $config['default_lang'];

}

$user_image_lang = (file_exists($phpbb_root_path . 'styles/' . $theme['imageset_path'] . '/imageset/' . $user['user_lang'])) ? $user['user_lang'] : $config['default_lang'];

// Same query in session.php

$sql = 'SELECT *

FROM ' . STYLES_IMAGESET_DATA_TABLE . '

WHERE imageset_id = ' . $theme['imageset_id'] . "

AND image_filename <> ''

AND image_lang IN ('" . $db->sql_escape($user_image_lang) . "', '')";

$result = $db->sql_query($sql, 3600);

$img_array = array();

while ($row = $db->sql_fetchrow($result))

{

$img_array[$row['image_name']] = $row;

}

$db->sql_freeresult($result);

// gzip_compression

if ($config['gzip_compress'])

{

// IE6 is not able to compress the style (do not ask us why!)

$browser = (!empty($_SERVER['HTTP_USER_AGENT'])) ? strtolower(htmlspecialchars((string) $_SERVER['HTTP_USER_AGENT'])) : '';

if ($browser && strpos($browser, 'msie 6.0') === false && @extension_loaded('zlib') && !headers_sent())

{

ob_start('ob_gzhandler');

}

}

// Expire time of seven days if not recached

$expire_time = 7*86400;

$recache = false;

// Re-cache stylesheet data if necessary

if ($recompile || empty($theme['theme_data']))

{

$recache = (empty($theme['theme_data'])) ? true : false;

$update_time = time();

// We test for stylesheet.css because it is faster and most likely the only file changed on common themes

if (!$recache && $theme['theme_mtime'] < @filemtime("{$phpbb_root_path}styles/" . $theme['theme_path'] . '/theme/stylesheet.css'))

{

$recache = true;

$update_time = @filemtime("{$phpbb_root_path}styles/" . $theme['theme_path'] . '/theme/stylesheet.css');

}

else if (!$recache)

{

$last_change = $theme['theme_mtime'];

$dir = @opendir("{$phpbb_root_path}styles/{$theme['theme_path']}/theme");

if ($dir)

{

while (($entry = readdir($dir)) !== false)

{

if (substr(strrchr($entry, '.'), 1) == 'css' && $last_change < @filemtime("{$phpbb_root_path}styles/{$theme['theme_path']}/theme/{$entry}"))

{

$recache = true;

break;

}

}

closedir($dir);

}

}

}

if ($recache)

{

include_once($phpbb_root_path . 'includes/acp/acp_styles.' . $phpEx);

$theme['theme_data'] = acp_styles::db_theme_data($theme);

$theme['theme_mtime'] = $update_time;

// Save CSS contents

$sql_ary = array(

'theme_mtime' => $theme['theme_mtime'],

'theme_data' => $theme['theme_data']

);

$sql = 'UPDATE ' . STYLES_THEME_TABLE . ' SET ' . $db->sql_build_array('UPDATE', $sql_ary) . "

WHERE theme_id = {$theme['theme_id']}";

$db->sql_query($sql);

$cache->destroy('sql', STYLES_THEME_TABLE);

}

// Only set the expire time if the theme changed data is older than 30 minutes - to cope with changes from the ACP

if ($recache || $theme['theme_mtime'] > (time() - 1800))

{

header('Expires: 0');

}

else

{

header('Expires: ' . gmdate('D, d M Y H:i:s \G\M\T', time() + $expire_time));

}

header('Content-type: text/css; charset=UTF-8');

// Parse Theme Data

$replace = array(

'{T_THEME_PATH}' => "{$phpbb_root_path}styles/" . rawurlencode($theme['theme_path']) . '/theme',

'{T_TEMPLATE_PATH}' => "{$phpbb_root_path}styles/" . rawurlencode($theme['template_path']) . '/template',

'{T_IMAGESET_PATH}' => "{$phpbb_root_path}styles/" . rawurlencode($theme['imageset_path']) . '/imageset',

'{T_IMAGESET_LANG_PATH}' => "{$phpbb_root_path}styles/" . rawurlencode($theme['imageset_path']) . '/imageset/' . $user_image_lang,

'{T_STYLESHEET_NAME}' => $theme['theme_name'],

'{S_USER_LANG}' => $user['user_lang']

);

$theme['theme_data'] = str_replace(array_keys($replace), array_values($replace), $theme['theme_data']);

$matches = array();

preg_match_all('#\{IMG_([A-Za-z0-9_]*?)_(WIDTH|HEIGHT|SRC)\}#', $theme['theme_data'], $matches);

$imgs = $find = $replace = array();

if (isset($matches[0]) && sizeof($matches[0]))

{

foreach ($matches[1] as $i => $img)

{

$img = strtolower($img);

$find[] = $matches[0][$i];

if (!isset($img_array[$img]))

{

$replace[] = '';

continue;

}

if (!isset($imgs[$img]))

{

$img_data = &$img_array[$img];

$imgsrc = ($img_data['image_lang'] ? $img_data['image_lang'] . '/' : '') . $img_data['image_filename'];

$imgs[$img] = array(

'src' => $phpbb_root_path . 'styles/' . rawurlencode($theme['imageset_path']) . '/imageset/' . $imgsrc,

'width' => $img_data['image_width'],

'height' => $img_data['image_height'],

);

}

switch ($matches[2][$i])

{

case 'SRC':

$replace[] = $imgs[$img]['src'];

break;

case 'WIDTH':

$replace[] = $imgs[$img]['width'];

break;

case 'HEIGHT':

$replace[] = $imgs[$img]['height'];

break;

default:

continue;

}

}

if (sizeof($find))

{

$theme['theme_data'] = str_replace($find, $replace, $theme['theme_data']);

}

}

echo $theme['theme_data'];

if (!empty($cache))

{

$cache->unload();

}

$db->sql_close();

}

exit;

?>