source: trunk/forum/style.php

Last change on this file was 702, checked in by george, 15 years ago
  • Upraveno: Aktualizace fóra.
File size: 8.0 KB
Line 
1<?php
2/**
3*
4* @package phpBB3
5* @version $Id$
6* @copyright (c) 2005 phpBB Group
7* @license http://opensource.org/licenses/gpl-license.php GNU Public License
8*
9*/
10
11/**
12* @ignore
13*/
14define('IN_PHPBB', true);
15$phpbb_root_path = (defined('PHPBB_ROOT_PATH')) ? PHPBB_ROOT_PATH : './';
16$phpEx = substr(strrchr(__FILE__, '.'), 1);
17
18// Report all errors, except notices and deprecation messages
19if (!defined('E_DEPRECATED'))
20{
21 define('E_DEPRECATED', 8192);
22}
23error_reporting(E_ALL ^ E_NOTICE ^ E_DEPRECATED);
24
25require($phpbb_root_path . 'config.' . $phpEx);
26
27if (!defined('PHPBB_INSTALLED') || empty($dbms) || empty($acm_type))
28{
29 exit;
30}
31
32if (version_compare(PHP_VERSION, '6.0.0-dev', '<'))
33{
34 @set_magic_quotes_runtime(0);
35}
36
37// Load Extensions
38if (!empty($load_extensions) && function_exists('dl'))
39{
40 $load_extensions = explode(',', $load_extensions);
41
42 foreach ($load_extensions as $extension)
43 {
44 @dl(trim($extension));
45 }
46}
47
48
49$sid = (isset($_GET['sid']) && !is_array($_GET['sid'])) ? htmlspecialchars($_GET['sid']) : '';
50$id = (isset($_GET['id'])) ? intval($_GET['id']) : 0;
51
52if (strspn($sid, 'abcdefABCDEF0123456789') !== strlen($sid))
53{
54 $sid = '';
55}
56
57// This is a simple script to grab and output the requested CSS data stored in the DB
58// We include a session_id check to try and limit 3rd party linking ... unless they
59// happen to have a current session it will output nothing. We will also cache the
60// resulting CSS data for five minutes ... anything to reduce the load on the SQL
61// server a little
62if ($id)
63{
64 // Include files
65 require($phpbb_root_path . 'includes/acm/acm_' . $acm_type . '.' . $phpEx);
66 require($phpbb_root_path . 'includes/cache.' . $phpEx);
67 require($phpbb_root_path . 'includes/db/' . $dbms . '.' . $phpEx);
68 require($phpbb_root_path . 'includes/constants.' . $phpEx);
69 require($phpbb_root_path . 'includes/functions.' . $phpEx);
70
71 $db = new $sql_db();
72 $cache = new cache();
73
74 // Connect to DB
75 if (!@$db->sql_connect($dbhost, $dbuser, $dbpasswd, $dbname, $dbport, false, false))
76 {
77 exit;
78 }
79 unset($dbpasswd);
80
81 $config = $cache->obtain_config();
82 $user = false;
83
84 if ($sid)
85 {
86 $sql = 'SELECT u.user_id, u.user_lang
87 FROM ' . SESSIONS_TABLE . ' s, ' . USERS_TABLE . " u
88 WHERE s.session_id = '" . $db->sql_escape($sid) . "'
89 AND s.session_user_id = u.user_id";
90 $result = $db->sql_query($sql);
91 $user = $db->sql_fetchrow($result);
92 $db->sql_freeresult($result);
93 }
94
95 $recompile = $config['load_tplcompile'];
96 if (!$user)
97 {
98 $id = ($id) ? $id : $config['default_style'];
99// Commented out because calls do not always include the SID anymore
100// $recompile = false;
101 $user = array('user_id' => ANONYMOUS);
102 }
103
104 $sql = 'SELECT s.style_id, c.theme_id, c.theme_data, c.theme_path, c.theme_name, c.theme_mtime, i.*, t.template_path
105 FROM ' . STYLES_TABLE . ' s, ' . STYLES_TEMPLATE_TABLE . ' t, ' . STYLES_THEME_TABLE . ' c, ' . STYLES_IMAGESET_TABLE . ' i
106 WHERE s.style_id = ' . $id . '
107 AND t.template_id = s.template_id
108 AND c.theme_id = s.theme_id
109 AND i.imageset_id = s.imageset_id';
110 $result = $db->sql_query($sql, 300);
111 $theme = $db->sql_fetchrow($result);
112 $db->sql_freeresult($result);
113
114 if (!$theme)
115 {
116 exit;
117 }
118
119 if ($user['user_id'] == ANONYMOUS)
120 {
121 $user['user_lang'] = $config['default_lang'];
122 }
123
124 $user_image_lang = (file_exists($phpbb_root_path . 'styles/' . $theme['imageset_path'] . '/imageset/' . $user['user_lang'])) ? $user['user_lang'] : $config['default_lang'];
125
126 // Same query in session.php
127 $sql = 'SELECT *
128 FROM ' . STYLES_IMAGESET_DATA_TABLE . '
129 WHERE imageset_id = ' . $theme['imageset_id'] . "
130 AND image_filename <> ''
131 AND image_lang IN ('" . $db->sql_escape($user_image_lang) . "', '')";
132 $result = $db->sql_query($sql, 3600);
133
134 $img_array = array();
135 while ($row = $db->sql_fetchrow($result))
136 {
137 $img_array[$row['image_name']] = $row;
138 }
139 $db->sql_freeresult($result);
140
141 // gzip_compression
142 if ($config['gzip_compress'])
143 {
144 // IE6 is not able to compress the style (do not ask us why!)
145 $browser = (!empty($_SERVER['HTTP_USER_AGENT'])) ? strtolower(htmlspecialchars((string) $_SERVER['HTTP_USER_AGENT'])) : '';
146
147 if ($browser && strpos($browser, 'msie 6.0') === false && @extension_loaded('zlib') && !headers_sent())
148 {
149 ob_start('ob_gzhandler');
150 }
151 }
152
153 // Expire time of seven days if not recached
154 $expire_time = 7*86400;
155 $recache = false;
156
157 // Re-cache stylesheet data if necessary
158 if ($recompile || empty($theme['theme_data']))
159 {
160 $recache = (empty($theme['theme_data'])) ? true : false;
161 $update_time = time();
162
163 // We test for stylesheet.css because it is faster and most likely the only file changed on common themes
164 if (!$recache && $theme['theme_mtime'] < @filemtime("{$phpbb_root_path}styles/" . $theme['theme_path'] . '/theme/stylesheet.css'))
165 {
166 $recache = true;
167 $update_time = @filemtime("{$phpbb_root_path}styles/" . $theme['theme_path'] . '/theme/stylesheet.css');
168 }
169 else if (!$recache)
170 {
171 $last_change = $theme['theme_mtime'];
172 $dir = @opendir("{$phpbb_root_path}styles/{$theme['theme_path']}/theme");
173
174 if ($dir)
175 {
176 while (($entry = readdir($dir)) !== false)
177 {
178 if (substr(strrchr($entry, '.'), 1) == 'css' && $last_change < @filemtime("{$phpbb_root_path}styles/{$theme['theme_path']}/theme/{$entry}"))
179 {
180 $recache = true;
181 break;
182 }
183 }
184 closedir($dir);
185 }
186 }
187 }
188
189 if ($recache)
190 {
191 include_once($phpbb_root_path . 'includes/acp/acp_styles.' . $phpEx);
192
193 $theme['theme_data'] = acp_styles::db_theme_data($theme);
194 $theme['theme_mtime'] = $update_time;
195
196 // Save CSS contents
197 $sql_ary = array(
198 'theme_mtime' => $theme['theme_mtime'],
199 'theme_data' => $theme['theme_data']
200 );
201
202 $sql = 'UPDATE ' . STYLES_THEME_TABLE . ' SET ' . $db->sql_build_array('UPDATE', $sql_ary) . "
203 WHERE theme_id = {$theme['theme_id']}";
204 $db->sql_query($sql);
205
206 $cache->destroy('sql', STYLES_THEME_TABLE);
207 }
208
209 // Only set the expire time if the theme changed data is older than 30 minutes - to cope with changes from the ACP
210 if ($recache || $theme['theme_mtime'] > (time() - 1800))
211 {
212 header('Expires: 0');
213 }
214 else
215 {
216 header('Expires: ' . gmdate('D, d M Y H:i:s \G\M\T', time() + $expire_time));
217 }
218
219 header('Content-type: text/css; charset=UTF-8');
220
221 // Parse Theme Data
222 $replace = array(
223 '{T_THEME_PATH}' => "{$phpbb_root_path}styles/" . $theme['theme_path'] . '/theme',
224 '{T_TEMPLATE_PATH}' => "{$phpbb_root_path}styles/" . $theme['template_path'] . '/template',
225 '{T_IMAGESET_PATH}' => "{$phpbb_root_path}styles/" . $theme['imageset_path'] . '/imageset',
226 '{T_IMAGESET_LANG_PATH}' => "{$phpbb_root_path}styles/" . $theme['imageset_path'] . '/imageset/' . $user_image_lang,
227 '{T_STYLESHEET_NAME}' => $theme['theme_name'],
228 '{S_USER_LANG}' => $user['user_lang']
229 );
230
231 $theme['theme_data'] = str_replace(array_keys($replace), array_values($replace), $theme['theme_data']);
232
233 $matches = array();
234 preg_match_all('#\{IMG_([A-Za-z0-9_]*?)_(WIDTH|HEIGHT|SRC)\}#', $theme['theme_data'], $matches);
235
236 $imgs = $find = $replace = array();
237 if (isset($matches[0]) && sizeof($matches[0]))
238 {
239 foreach ($matches[1] as $i => $img)
240 {
241 $img = strtolower($img);
242 $find[] = $matches[0][$i];
243
244 if (!isset($img_array[$img]))
245 {
246 $replace[] = '';
247 continue;
248 }
249
250 if (!isset($imgs[$img]))
251 {
252 $img_data = &$img_array[$img];
253 $imgsrc = ($img_data['image_lang'] ? $img_data['image_lang'] . '/' : '') . $img_data['image_filename'];
254 $imgs[$img] = array(
255 'src' => $phpbb_root_path . 'styles/' . $theme['imageset_path'] . '/imageset/' . $imgsrc,
256 'width' => $img_data['image_width'],
257 'height' => $img_data['image_height'],
258 );
259 }
260
261 switch ($matches[2][$i])
262 {
263 case 'SRC':
264 $replace[] = $imgs[$img]['src'];
265 break;
266
267 case 'WIDTH':
268 $replace[] = $imgs[$img]['width'];
269 break;
270
271 case 'HEIGHT':
272 $replace[] = $imgs[$img]['height'];
273 break;
274
275 default:
276 continue;
277 }
278 }
279
280 if (sizeof($find))
281 {
282 $theme['theme_data'] = str_replace($find, $replace, $theme['theme_data']);
283 }
284 }
285
286 echo $theme['theme_data'];
287
288 if (!empty($cache))
289 {
290 $cache->unload();
291 }
292 $db->sql_close();
293}
294
295exit;
296
297?>
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