/forum/style.php
PHP | 294 lines | 213 code | 49 blank | 32 comment | 41 complexity | 9a54ec3552154a21dfd2b18e16ff9e70 MD5 | raw file
Possible License(s): AGPL-1.0, LGPL-3.0, MPL-2.0-no-copyleft-exception
- <?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.' . $phpEx);
- require($phpbb_root_path . 'includes/automatic_dst.' . $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/" . $theme['theme_path'] . '/theme',
- '{T_TEMPLATE_PATH}' => "{$phpbb_root_path}styles/" . $theme['template_path'] . '/template',
- '{T_IMAGESET_PATH}' => "{$phpbb_root_path}styles/" . $theme['imageset_path'] . '/imageset',
- '{T_IMAGESET_LANG_PATH}' => "{$phpbb_root_path}styles/" . $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/' . $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;
- ?>