Verzeichnisstruktur phpBB-3.0.0
- Veröffentlicht
- 12.12.2007
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style.php
001 <?php
002 /**
003 *
004 * @package phpBB3
005 * @version $Id$
006 * @copyright (c) 2005 phpBB Group
007 * @license http://opensource.org/licenses/gpl-license.php GNU Public License
008 *
009 */
010
011 /**
012 * @ignore
013 */
014 define('IN_PHPBB', true);
015 $phpbb_root_path = (defined('PHPBB_ROOT_PATH')) ? PHPBB_ROOT_PATH : './';
016 $phpEx = substr(strrchr(__FILE__, '.'), 1);
017 require($phpbb_root_path . 'config.' . $phpEx);
018
019 if (version_compare(PHP_VERSION, '6.0.0-dev', '<'))
020 {
021 set_magic_quotes_runtime(0);
022 }
023
024 // Load Extensions
025 if (!empty($load_extensions))
026 {
027 $load_extensions = explode(',', $load_extensions);
028
029 foreach ($load_extensions as $extension)
030 {
031 @dl(trim($extension));
032 }
033 }
034
035
036 $sid = (isset($_GET['sid']) && !is_array($_GET['sid'])) ? htmlspecialchars($_GET['sid']) : '';
037 $id = (isset($_GET['id'])) ? intval($_GET['id']) : 0;
038
039 if (strspn($sid, 'abcdefABCDEF0123456789') !== strlen($sid))
040 {
041 $sid = '';
042 }
043
044 // This is a simple script to grab and output the requested CSS data stored in the DB
045 // We include a session_id check to try and limit 3rd party linking ... unless they
046 // happen to have a current session it will output nothing. We will also cache the
047 // resulting CSS data for five minutes ... anything to reduce the load on the SQL
048 // server a little
049 if ($id)
050 {
051 if (empty($acm_type) || empty($dbms))
052 {
053 die('Hacking attempt');
054 }
055
056 // Include files
057 require($phpbb_root_path . 'includes/acm/acm_' . $acm_type . '.' . $phpEx);
058 require($phpbb_root_path . 'includes/cache.' . $phpEx);
059 require($phpbb_root_path . 'includes/db/' . $dbms . '.' . $phpEx);
060 require($phpbb_root_path . 'includes/constants.' . $phpEx);
061
062 $db = new $sql_db();
063 $cache = new cache();
064
065 // Connect to DB
066 if (!@$db->sql_connect($dbhost, $dbuser, $dbpasswd, $dbname, $dbport, false, false))
067 {
068 exit;
069 }
070 unset($dbpasswd);
071
072 $config = $cache->obtain_config();
073 $user = false;
074
075 if ($sid)
076 {
077 $sql = 'SELECT u.user_id, u.user_lang
078 FROM ' . SESSIONS_TABLE . ' s, ' . USERS_TABLE . " u
079 WHERE s.session_id = '" . $db->sql_escape($sid) . "'
080 AND s.session_user_id = u.user_id";
081 $result = $db->sql_query($sql);
082 $user = $db->sql_fetchrow($result);
083 $db->sql_freeresult($result);
084 }
085
086 $recompile = $config['load_tplcompile'];
087 if (!$user)
088 {
089 $id = $config['default_style'];
090 $recompile = false;
091 $user = array('user_id' => ANONYMOUS);
092 }
093
094 $sql = 'SELECT s.style_id, c.theme_data, c.theme_path, c.theme_name, c.theme_mtime, i.*, t.template_path
095 FROM ' . STYLES_TABLE . ' s, ' . STYLES_TEMPLATE_TABLE . ' t, ' . STYLES_THEME_TABLE . ' c, ' . STYLES_IMAGESET_TABLE . ' i
096 WHERE s.style_id = ' . $id . '
097 AND t.template_id = s.template_id
098 AND c.theme_id = s.theme_id
099 AND i.imageset_id = s.imageset_id';
100 $result = $db->sql_query($sql, 300);
101 $theme = $db->sql_fetchrow($result);
102 $db->sql_freeresult($result);
103
104 if (!$theme)
105 {
106 exit;
107 }
108
109 if ($user['user_id'] == ANONYMOUS)
110 {
111 $user['user_lang'] = $config['default_lang'];
112 }
113
114 $user_image_lang = (file_exists($phpbb_root_path . 'styles/' . $theme['imageset_path'] . '/imageset/' . $user['user_lang'])) ? $user['user_lang'] : $config['default_lang'];
115
116 $sql = 'SELECT *
117 FROM ' . STYLES_IMAGESET_DATA_TABLE . '
118 WHERE imageset_id = ' . $theme['imageset_id'] . "
119 AND image_lang IN ('" . $db->sql_escape($user_image_lang) . "', '')";
120 $result = $db->sql_query($sql, 3600);
121
122 $img_array = array();
123 while ($row = $db->sql_fetchrow($result))
124 {
125 $img_array[$row['image_name']] = $row;
126 }
127 $db->sql_freeresult($result);
128
129 // gzip_compression
130 if ($config['gzip_compress'])
131 {
132 // IE6 is not able to compress the style (do not ask us why!)
133 $browser = (!empty($_SERVER['HTTP_USER_AGENT'])) ? strtolower(htmlspecialchars((string) $_SERVER['HTTP_USER_AGENT'])) : '';
134
135 if ($browser && strpos($browser, 'msie 6.0') === false && @extension_loaded('zlib') && !headers_sent())
136 {
137 ob_start('ob_gzhandler');
138 }
139 }
140
141 // Expire time of seven days if not recached
142 $expire_time = 7*86400;
143 $recache = false;
144
145 // Re-cache stylesheet data if necessary
146 if ($recompile || empty($theme['theme_data']))
147 {
148 $recache = (empty($theme['theme_data'])) ? true : false;
149 $update_time = time();
150
151 // We test for stylesheet.css because it is faster and most likely the only file changed on common themes
152 if (!$recache && $theme['theme_mtime'] < @filemtime("{$phpbb_root_path}styles/" . $theme['theme_path'] . '/theme/stylesheet.css'))
153 {
154 $recache = true;
155 $update_time = @filemtime("{$phpbb_root_path}styles/" . $theme['theme_path'] . '/theme/stylesheet.css');
156 }
157 else if (!$recache)
158 {
159 $last_change = $theme['theme_mtime'];
160 $dir = @opendir("{$phpbb_root_path}styles/{$theme['theme_path']}/theme");
161
162 if ($dir)
163 {
164 while (($entry = readdir($dir)) !== false)
165 {
166 if (substr(strrchr($entry, '.'), 1) == 'css' && $last_change < @filemtime("{$phpbb_root_path}styles/{$theme['theme_path']}/theme/{$entry}"))
167 {
168 $recache = true;
169 break;
170 }
171 }
172 closedir($dir);
173 }
174 }
175 }
176
177 if ($recache)
178 {
179 include_once($phpbb_root_path . 'includes/acp/acp_styles.' . $phpEx);
180
181 $theme['theme_data'] = acp_styles::db_theme_data($theme);
182 $theme['theme_mtime'] = $update_time;
183
184 // Save CSS contents
185 $sql_ary = array(
186 'theme_mtime' => $theme['theme_mtime'],
187 'theme_data' => $theme['theme_data']
188 );
189
190 $sql = 'UPDATE ' . STYLES_THEME_TABLE . ' SET ' . $db->sql_build_array('UPDATE', $sql_ary) . "
191 WHERE theme_id = $id";
192 $db->sql_query($sql);
193
194 $cache->destroy('sql', STYLES_THEME_TABLE);
195 }
196
197 // Only set the expire time if the theme changed data is older than 30 minutes - to cope with changes from the ACP
198 if ($recache || $theme['theme_mtime'] > (time() - 1800))
199 {
200 header('Expires: 0');
201 }
202 else
203 {
204 header('Expires: ' . gmdate('D, d M Y H:i:s \G\M\T', time() + $expire_time));
205 }
206
207 header('Content-type: text/css; charset=UTF-8');
208
209 // Parse Theme Data
210 $replace = array(
211 '{T_THEME_PATH}' => "{$phpbb_root_path}styles/" . $theme['theme_path'] . '/theme',
212 '{T_TEMPLATE_PATH}' => "{$phpbb_root_path}styles/" . $theme['template_path'] . '/template',
213 '{T_IMAGESET_PATH}' => "{$phpbb_root_path}styles/" . $theme['imageset_path'] . '/imageset',
214 '{T_IMAGESET_LANG_PATH}' => "{$phpbb_root_path}styles/" . $theme['imageset_path'] . '/imageset/' . $user_image_lang,
215 '{T_STYLESHEET_NAME}' => $theme['theme_name'],
216 '{S_USER_LANG}' => $user['user_lang']
217 );
218
219 $theme['theme_data'] = str_replace(array_keys($replace), array_values($replace), $theme['theme_data']);
220
221 $matches = array();
222 preg_match_all('#\{IMG_([A-Za-z0-9_]*?)_(WIDTH|HEIGHT|SRC)\}#', $theme['theme_data'], $matches);
223
224 $imgs = $find = $replace = array();
225 if (isset($matches[0]) && sizeof($matches[0]))
226 {
227 foreach ($matches[1] as $i => $img)
228 {
229 $img = strtolower($img);
230 $find[] = $matches[0][$i];
231
232 if (!isset($img_array[$img]))
233 {
234 $replace[] = '';
235 continue;
236 }
237
238 if (!isset($imgs[$img]))
239 {
240 $img_data = &$img_array[$img];
241 $imgsrc = ($img_data['image_lang'] ? $img_data['image_lang'] . '/' : '') . $img_data['image_filename'];
242 $imgs[$img] = array(
243 'src' => $phpbb_root_path . 'styles/' . $theme['imageset_path'] . '/imageset/' . $imgsrc,
244 'width' => $img_data['image_width'],
245 'height' => $img_data['image_height'],
246 );
247 }
248
249 switch ($matches[2][$i])
250 {
251 case 'SRC':
252 $replace[] = $imgs[$img]['src'];
253 break;
254
255 case 'WIDTH':
256 $replace[] = $imgs[$img]['width'];
257 break;
258
259 case 'HEIGHT':
260 $replace[] = $imgs[$img]['height'];
261 break;
262
263 default:
264 continue;
265 }
266 }
267
268 if (sizeof($find))
269 {
270 $theme['theme_data'] = str_replace($find, $replace, $theme['theme_data']);
271 }
272 }
273
274 echo $theme['theme_data'];
275
276 if (!empty($cache))
277 {
278 $cache->unload();
279 }
280 $db->sql_close();
281 }
282
283 exit;
284
285 ?>