wp-super-cache
Last commit date
plugins
17 years ago
Changelog.txt
17 years ago
readme.txt
17 years ago
wp-cache-base.php
18 years ago
wp-cache-config-sample.php
17 years ago
wp-cache-phase1.php
17 years ago
wp-cache-phase2.php
17 years ago
wp-cache.php
17 years ago
wp-cache.php
1216 lines
| 1 | <?php |
| 2 | /* |
| 3 | Plugin Name: WP Super Cache |
| 4 | Plugin URI: http://ocaoimh.ie/wp-super-cache/ |
| 5 | Description: Very fast caching module for WordPress. Once activated, you must <a href="options-general.php?page=wpsupercache">enable the cache</a>. Based on WP-Cache by <a href="http://mnm.uib.es/gallir/">Ricardo Galli Granada</a>. |
| 6 | Version: 0.8.1 |
| 7 | Author: Donncha O Caoimh |
| 8 | Author URI: http://ocaoimh.ie/ |
| 9 | */ |
| 10 | /* Copyright 2005-2006 Ricardo Galli Granada (email : gallir@uib.es) |
| 11 | Some code copyright 2007-2008 Donncha O Caoimh (http://ocaoimh.ie/) |
| 12 | |
| 13 | This program is free software; you can redistribute it and/or modify |
| 14 | it under the terms of the GNU General Public License as published by |
| 15 | the Free Software Foundation; either version 2 of the License, or |
| 16 | (at your option) any later version. |
| 17 | |
| 18 | This program is distributed in the hope that it will be useful, |
| 19 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 20 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 21 | GNU General Public License for more details. |
| 22 | |
| 23 | You should have received a copy of the GNU General Public License |
| 24 | along with this program; if not, write to the Free Software |
| 25 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 26 | */ |
| 27 | |
| 28 | // Pre-2.6 compatibility |
| 29 | if( !defined('WP_CONTENT_URL') ) |
| 30 | define( 'WP_CONTENT_URL', get_option('siteurl') . '/wp-content'); |
| 31 | if( !defined('WP_CONTENT_DIR') ) |
| 32 | define( 'WP_CONTENT_DIR', ABSPATH . 'wp-content' ); |
| 33 | |
| 34 | $wp_cache_config_file = WP_CONTENT_DIR . '/wp-cache-config.php'; |
| 35 | |
| 36 | if( !@include($wp_cache_config_file) ) { |
| 37 | get_wpcachehome(); |
| 38 | $wp_cache_config_file_sample = WPCACHEHOME . 'wp-cache-config-sample.php'; |
| 39 | @include($wp_cache_config_file_sample); |
| 40 | } else { |
| 41 | get_wpcachehome(); |
| 42 | } |
| 43 | |
| 44 | $wp_cache_config_file_sample = WPCACHEHOME . 'wp-cache-config-sample.php'; |
| 45 | $wp_cache_link = WP_CONTENT_DIR . '/advanced-cache.php'; |
| 46 | $wp_cache_file = WPCACHEHOME . 'wp-cache-phase1.php'; |
| 47 | |
| 48 | include(WPCACHEHOME . 'wp-cache-base.php'); |
| 49 | |
| 50 | |
| 51 | // from legolas558 d0t users dot sf dot net at http://www.php.net/is_writable |
| 52 | function is_writeable_ACLSafe($path) { |
| 53 | |
| 54 | // PHP's is_writable does not work with Win32 NTFS |
| 55 | |
| 56 | if ($path{strlen($path)-1}=='/') // recursively return a temporary file path |
| 57 | return is_writeable_ACLSafe($path.uniqid(mt_rand()).'.tmp'); |
| 58 | else if (is_dir($path)) |
| 59 | return is_writeable_ACLSafe($path.'/'.uniqid(mt_rand()).'.tmp'); |
| 60 | // check tmp file for read/write capabilities |
| 61 | $rm = file_exists($path); |
| 62 | $f = @fopen($path, 'a'); |
| 63 | if ($f===false) |
| 64 | return false; |
| 65 | fclose($f); |
| 66 | if (!$rm) |
| 67 | unlink($path); |
| 68 | return true; |
| 69 | } |
| 70 | |
| 71 | function get_wpcachehome() { |
| 72 | if( defined( 'WPCACHEHOME' ) == false ) { |
| 73 | if( is_file( dirname(__FILE__) . '/wp-cache-config-sample.php' ) ) { |
| 74 | define( 'WPCACHEHOME', trailingslashit( dirname(__FILE__) ) ); |
| 75 | } elseif( is_file( dirname(__FILE__) . '/wp-super-cache/wp-cache-config-sample.php' ) ) { |
| 76 | define( 'WPCACHEHOME', dirname(__FILE__) . '/wp-super-cache/' ); |
| 77 | } else { |
| 78 | die( 'Please create ' . WP_CONTENT_DIR . '/wp-cache-config.php from wp-super-cache/wp-cache-config-sample.php' ); |
| 79 | } |
| 80 | } |
| 81 | } |
| 82 | |
| 83 | function wpsupercache_deactivate() { |
| 84 | global $wp_cache_config_file, $wp_cache_link, $cache_path; |
| 85 | $files = array( $wp_cache_config_file, $wp_cache_link ); |
| 86 | foreach( $files as $file ) { |
| 87 | if( file_exists( $file ) ) |
| 88 | unlink( $file ); |
| 89 | } |
| 90 | if( !function_exists( 'prune_super_cache' ) ) |
| 91 | include_once( 'wp-cache-phase2.php' ); |
| 92 | prune_super_cache ($cache_path, true); |
| 93 | @unlink( $cache_path . '.htaccess' ); |
| 94 | @unlink( $cache_path . 'meta' ); |
| 95 | @unlink( $cache_path . 'supercache' ); |
| 96 | } |
| 97 | register_deactivation_hook( __FILE__, 'wpsupercache_deactivate' ); |
| 98 | |
| 99 | function wp_cache_add_pages() { |
| 100 | if( function_exists( 'is_site_admin' ) ) { |
| 101 | if( is_site_admin() ) { |
| 102 | add_submenu_page('wpmu-admin.php', __('WP Super Cache'), __('WP Super Cache'), 'manage_options', 'wpsupercache', 'wp_cache_manager'); |
| 103 | add_options_page('WP Super Cache', 'WP Super Cache', 'manage_options', 'wpsupercache', 'wp_cache_manager'); |
| 104 | } |
| 105 | } else { |
| 106 | add_options_page('WP Super Cache', 'WP Super Cache', 'manage_options', 'wpsupercache', 'wp_cache_manager'); |
| 107 | } |
| 108 | } |
| 109 | add_action('admin_menu', 'wp_cache_add_pages'); |
| 110 | |
| 111 | function wp_cache_manager() { |
| 112 | global $wp_cache_config_file, $valid_nonce, $supercachedir, $cache_path, $cache_enabled, $cache_compression, $super_cache_enabled, $wp_cache_hello_world, $wp_cache_clear_on_post_edit; |
| 113 | |
| 114 | if( function_exists( 'is_site_admin' ) ) |
| 115 | if( !is_site_admin() ) |
| 116 | return; |
| 117 | |
| 118 | $supercachedir = $cache_path . 'supercache/' . preg_replace('/:.*$/', '', $_SERVER["HTTP_HOST"]); |
| 119 | if( get_option( 'gzipcompression' ) == 1 ) |
| 120 | update_option( 'gzipcompression', 0 ); |
| 121 | $valid_nonce = wp_verify_nonce($_REQUEST['_wpnonce'], 'wp-cache'); |
| 122 | /* http://www.netlobo.com/div_hiding.html */ |
| 123 | ?> |
| 124 | <script type='text/javascript'> |
| 125 | <!-- |
| 126 | function toggleLayer( whichLayer ) { |
| 127 | var elem, vis; |
| 128 | if( document.getElementById ) // this is the way the standards work |
| 129 | elem = document.getElementById( whichLayer ); |
| 130 | else if( document.all ) // this is the way old msie versions work |
| 131 | elem = document.all[whichLayer]; |
| 132 | else if( document.layers ) // this is the way nn4 works |
| 133 | elem = document.layers[whichLayer]; |
| 134 | vis = elem.style; |
| 135 | // if the style.display value is blank we try to figure it out here |
| 136 | if(vis.display==''&&elem.offsetWidth!=undefined&&elem.offsetHeight!=undefined) |
| 137 | vis.display = (elem.offsetWidth!=0&&elem.offsetHeight!=0)?'block':'none'; |
| 138 | vis.display = (vis.display==''||vis.display=='block')?'none':'block'; |
| 139 | } |
| 140 | // --> |
| 141 | </script> |
| 142 | <style type="text/css"> |
| 143 | /* Taken from http://sw-guide.de/wordpress/plugins/simple-trackback-validation/ */ |
| 144 | .wrap h3 { color: black; background-color: #e5f3ff; padding: 4px 8px; } |
| 145 | </style> |
| 146 | <?php |
| 147 | echo '<div class="wrap">'; |
| 148 | echo "<h2>WP Super Cache Manager</h2>\n"; |
| 149 | if( ini_get( 'safe_mode' ) ) { |
| 150 | ?><h3>Warning! PHP safe mode enabled!</h3> |
| 151 | <p>You may experience problems running this plugin because SAFE MODE is enabled. <?php |
| 152 | if( !ini_get( 'safe_mode_gid' ) ) { |
| 153 | ?>Your server is set up to check the owner of PHP scripts before allowing them to read and write files.</p><p>You or an administrator may be able to make it work by changing the group owner of the plugin scripts to match that of the web server user. The group owner of the <?php echo WP_CONTENT_DIR; ?>/cache/ directory must also be changed. See the <a href='http://php.net/features.safe-mode'>safe mode manual page</a> for further details.</p><?php |
| 154 | } else { |
| 155 | ?>You or an administrator must disable this. See the <a href='http://php.net/features.safe-mode'>safe mode manual page</a> for further details. This cannot be disabled in a .htaccess file unfortunately. It must be done in the php.ini config file.</p><?php |
| 156 | } |
| 157 | } |
| 158 | if(isset($_REQUEST['wp_restore_config']) && $valid_nonce) { |
| 159 | unlink($wp_cache_config_file); |
| 160 | echo '<strong>Configuration file changed, some values might be wrong. Load the page again from the "Options" menu to reset them.</strong>'; |
| 161 | } |
| 162 | |
| 163 | if ( !wp_cache_check_link() || |
| 164 | !wp_cache_verify_config_file() || |
| 165 | !wp_cache_verify_cache_dir() ) { |
| 166 | echo "<br>Cannot continue... fix previous problems and retry.<br />"; |
| 167 | echo "</div>\n"; |
| 168 | return; |
| 169 | } |
| 170 | |
| 171 | if (!wp_cache_check_global_config()) { |
| 172 | echo "</div>\n"; |
| 173 | return; |
| 174 | } |
| 175 | |
| 176 | if( $cache_enabled == true && $super_cache_enabled == true && !got_mod_rewrite() ) { |
| 177 | ?><h4 style='color: #a00'>Mod rewrite may not be installed!</h4> |
| 178 | <p>It appears that mod_rewrite is not installed. Sometimes this check isn't 100% reliable, especially if you are not using Apache. Please verify that the mod_rewrite module is loaded. It is required for serving Super Cache static files. You will still be able to use WP-Cache.</p><?php |
| 179 | } |
| 180 | |
| 181 | if( !is_writeable_ACLSafe($wp_cache_config_file) ) { |
| 182 | define( "SUBMITDISABLED", 'disabled style="color: #aaa" ' ); |
| 183 | ?><h4 style='text-align:center; color: #a00'>Read Only Mode. Configuration cannot be changed. <a href="javascript:toggleLayer('readonlywarning');" title="Why your configuration may not be changed">Why</a></h4> |
| 184 | <div id='readonlywarning' style='border: 1px solid #aaa; margin: 2px; padding: 2px; display: none;'> |
| 185 | <p>The WP Super Cache configuration file is <code><?php echo WP_CONTENT_DIR; ?>/wp-cache-config.php</code> and cannot be modified. The file <?php echo WP_CONTENT_DIR; ?>/wp-cache-config.php must be writeable by the webserver to make any changes.<br /> |
| 186 | A simple way of doing that is by changing the permissions temporarily using the CHMOD command or through your ftp client. Make sure it's globally writeable and it should be fine.<br /> |
| 187 | Writeable: <code>chmod 666 <?php echo WP_CONTENT_DIR; ?>/wp-cache-config.php</code><br /> |
| 188 | Readonly: <code>chmod 644 <?php echo WP_CONTENT_DIR; ?>/wp-cache-config.php</code></p> |
| 189 | </div><?php |
| 190 | } else { |
| 191 | define( "SUBMITDISABLED", ' ' ); |
| 192 | } |
| 193 | |
| 194 | // Server could be running as the owner of the wp-content directory. Therefore, if it's |
| 195 | // writable, issue a warning only if the permissions aren't 755. |
| 196 | if( is_writeable_ACLSafe( WP_CONTENT_DIR . '/' ) ) { |
| 197 | $wp_content_stat = stat(WP_CONTENT_DIR . '/'); |
| 198 | $wp_content_mode = ($wp_content_stat['mode'] & 0777); |
| 199 | if( $wp_content_mode != 0755 ) { |
| 200 | ?><h4 style='text-align:center; color: #a00'>Warning! <?php echo WP_CONTENT_DIR; ?> is writeable!</h4> |
| 201 | <p>You should change the permissions on <?php echo WP_CONTENT_DIR; ?> and make it more restrictive. Use your ftp client, or the following command to fix things:<br /><code>chmod 755 <?php echo WP_CONTENT_DIR; ?>/</code></p><?php |
| 202 | } |
| 203 | } |
| 204 | |
| 205 | if ( $valid_nonce ) { |
| 206 | if( isset( $_POST[ 'wp_cache_status' ] ) ) { |
| 207 | switch( $_POST[ 'wp_cache_status' ] ) { |
| 208 | case 'all': |
| 209 | wp_cache_enable(); |
| 210 | break; |
| 211 | case 'none': |
| 212 | wp_cache_disable(); |
| 213 | break; |
| 214 | case 'wpcache': |
| 215 | wp_cache_enable(); |
| 216 | wp_super_cache_disable(); |
| 217 | break; |
| 218 | } |
| 219 | if( isset( $_POST[ 'wp_cache_hello_world' ] ) ) { |
| 220 | $wp_cache_hello_world = (int)$_POST[ 'wp_cache_hello_world' ]; |
| 221 | } else { |
| 222 | $wp_cache_hello_world = 0; |
| 223 | } |
| 224 | wp_cache_replace_line('^ *\$wp_cache_hello_world', '$wp_cache_hello_world = ' . (int)$wp_cache_hello_world . ";", $wp_cache_config_file); |
| 225 | } |
| 226 | if( isset( $_POST[ 'cache_compression' ] ) && $_POST[ 'cache_compression' ] != $cache_compression ) { |
| 227 | $cache_compression_changed = true; |
| 228 | $cache_compression = intval( $_POST[ 'cache_compression' ] ); |
| 229 | wp_cache_replace_line('^ *\$cache_compression', "\$cache_compression = " . $cache_compression . ";", $wp_cache_config_file); |
| 230 | if( function_exists( 'prune_super_cache' ) ) |
| 231 | prune_super_cache ($cache_path, true); |
| 232 | delete_option( 'super_cache_meta' ); |
| 233 | } |
| 234 | if( isset( $_POST[ 'wp_cache_clear_on_post_edit' ] ) && $_POST[ 'wp_cache_clear_on_post_edit' ] != $wp_cache_clear_on_post_edit ) { |
| 235 | $wp_cache_clear_on_post_edit = intval( $_POST[ 'wp_cache_clear_on_post_edit' ] ); |
| 236 | wp_cache_replace_line('^ *\$wp_cache_clear_on_post_edit', "\$wp_cache_clear_on_post_edit = " . $wp_cache_clear_on_post_edit . ";", $wp_cache_config_file); |
| 237 | } |
| 238 | } |
| 239 | |
| 240 | ?><fieldset class="options"> |
| 241 | <h3>WP Super Cache Status</h3><?php |
| 242 | echo '<form name="wp_manager" action="'. $_SERVER["REQUEST_URI"] . '" method="post">'; |
| 243 | ?> |
| 244 | <label><input type='radio' name='wp_cache_status' value='all' <?php if( $cache_enabled == true && $super_cache_enabled == true ) { echo 'checked=checked'; } ?>> <strong>ON</strong> (WP Cache and Super Cache enabled)</label><br /> |
| 245 | <label><input type='radio' name='wp_cache_status' value='wpcache' <?php if( $cache_enabled == true && $super_cache_enabled == false ) { echo 'checked=checked'; } ?>> <strong>HALF ON</strong> (Super Cache Disabled, only legacy WP-Cache caching.)</label><br /> |
| 246 | <label><input type='radio' name='wp_cache_status' value='none' <?php if( $cache_enabled == false ) { echo 'checked=checked'; } ?>> <strong>OFF</strong> (WP Cache and Super Cache disabled)</label><br /> |
| 247 | <p><label><input type='checkbox' name='wp_cache_hello_world' <?php if( $wp_cache_hello_world ) echo "checked"; ?> value='1'> Proudly tell the world your server is Digg proof! (places a message in your blog's footer)</label></p> |
| 248 | <p><label><input type='checkbox' name='wp_cache_clear_on_post_edit' <?php if( $wp_cache_clear_on_post_edit ) echo "checked"; ?> value='1'> Clear all cache files when a post or page is edited. (This may significantly slow down saving of posts.)</label></p> |
| 249 | <p>Note: if uninstalling this plugin, make sure the directory <em><?php echo WP_CONTENT_DIR; ?></em> is writeable by the webserver so the files <em>advanced-cache.php</em> and <em>cache-config.php</em> can be deleted automatically. (Making sure those files are writeable too is probably a good idea!)</p> |
| 250 | <?php |
| 251 | echo "<div><input type='submit' " . SUBMITDISABLED . " value='Update Status »' /></div>"; |
| 252 | wp_nonce_field('wp-cache'); |
| 253 | ?> |
| 254 | </form> |
| 255 | </fieldset> |
| 256 | <?php |
| 257 | |
| 258 | wsc_mod_rewrite(); |
| 259 | |
| 260 | wp_cache_edit_max_time(); |
| 261 | |
| 262 | echo '<br /><a name="files"></a><fieldset class="options"><h3>Accepted filenames, rejected URIs</h3>'; |
| 263 | wp_cache_edit_rejected(); |
| 264 | echo "<br />\n"; |
| 265 | wp_cache_edit_accepted(); |
| 266 | echo '</fieldset>'; |
| 267 | |
| 268 | wp_cache_edit_rejected_ua(); |
| 269 | |
| 270 | wp_cache_files(); |
| 271 | |
| 272 | wp_lock_down(); |
| 273 | |
| 274 | wp_cache_restore(); |
| 275 | |
| 276 | ob_start(); |
| 277 | if( defined( 'WP_CACHE' ) ) { |
| 278 | if( function_exists( 'do_cacheaction' ) ) { |
| 279 | do_cacheaction( 'cache_admin_page' ); |
| 280 | } |
| 281 | } |
| 282 | $out = ob_get_contents(); |
| 283 | ob_end_clean(); |
| 284 | if( SUBMITDISABLED == ' ' && $out != '' ) { |
| 285 | echo '<fieldset class="options"><h3>Cache Plugins</h3>'; |
| 286 | echo $out; |
| 287 | echo '</fieldset>'; |
| 288 | } |
| 289 | |
| 290 | echo "</div>\n"; |
| 291 | } |
| 292 | |
| 293 | function wsc_mod_rewrite() { |
| 294 | global $super_cache_enabled, $cache_compression, $cache_compression_changed, $valid_nonce, $cache_path; |
| 295 | if( $super_cache_enabled == false ) |
| 296 | return; |
| 297 | ?> |
| 298 | <br /><fieldset class="options"> |
| 299 | <h3>Super Cache Compression</h3> |
| 300 | <form name="wp_manager" action="<?php echo $_SERVER["REQUEST_URI"]; ?>" method="post"> |
| 301 | <label><input type="radio" name="cache_compression" value="1" <?php if( $cache_compression ) { echo "checked=checked"; } ?>> Enabled</label> |
| 302 | <label><input type="radio" name="cache_compression" value="0" <?php if( !$cache_compression ) { echo "checked=checked"; } ?>> Disabled</label> |
| 303 | <p>Compression is disabled by default because some hosts have problems with compressed files. Switching this on and off clears the cache.</p> |
| 304 | <?php |
| 305 | if( isset( $cache_compression_changed ) && isset( $_POST[ 'cache_compression' ] ) && !$cache_compression ) { |
| 306 | ?><p><strong>Super Cache compression is now disabled.</strong></p> <?php |
| 307 | } elseif( isset( $cache_compression_changed ) && isset( $_POST[ 'cache_compression' ] ) && $cache_compression ) { |
| 308 | ?><p><strong>Super Cache compression is now enabled.</strong></p><?php |
| 309 | } |
| 310 | echo '<div><input ' . SUBMITDISABLED . 'type="submit" value="Update Compression »" /></div>'; |
| 311 | wp_nonce_field('wp-cache'); |
| 312 | echo "</form>\n"; |
| 313 | ?></fieldset><br /> |
| 314 | |
| 315 | <a name="modrewrite"></a><fieldset class="options"> |
| 316 | <h3>Mod Rewrite Rules</h3><?php |
| 317 | $home_path = get_home_path(); |
| 318 | $home_root = parse_url(get_bloginfo('url')); |
| 319 | $home_root = trailingslashit($home_root['path']); |
| 320 | $inst_root = parse_url(get_bloginfo('wpurl')); |
| 321 | $inst_root = trailingslashit($inst_root['path']); |
| 322 | $wprules = implode( "\n", extract_from_markers( $home_path.'.htaccess', 'WordPress' ) ); |
| 323 | $wprules = str_replace( "RewriteEngine On\n", '', $wprules ); |
| 324 | $wprules = str_replace( "RewriteBase $home_root\n", '', $wprules ); |
| 325 | $scrules = implode( "\n", extract_from_markers( $home_path.'.htaccess', 'WPSuperCache' ) ); |
| 326 | |
| 327 | if( substr( get_option( 'permalink_structure' ), -1 ) == '/' ) { |
| 328 | $condition_rules[] = "RewriteCond %{REQUEST_URI} !^.*[^/]$"; |
| 329 | $condition_rules[] = "RewriteCond %{REQUEST_URI} !^.*//.*$"; |
| 330 | } |
| 331 | $condition_rules[] = "RewriteCond %{REQUEST_METHOD} !=POST"; |
| 332 | $condition_rules[] = "RewriteCond %{QUERY_STRING} !.*=.*"; |
| 333 | $condition_rules[] = "RewriteCond %{HTTP:Cookie} !^.*(comment_author_|wordpress|wp-postpass_).*$"; |
| 334 | $condition_rules = apply_filters( 'supercacherewriteconditions', $condition_rules ); |
| 335 | |
| 336 | $rules = "<IfModule mod_rewrite.c>\n"; |
| 337 | $rules .= "RewriteEngine On\n"; |
| 338 | $rules .= "RewriteBase $home_root\n"; // props Chris Messina |
| 339 | $charset = get_option('blog_charset') == '' ? 'UTF-8' : get_option('blog_charset'); |
| 340 | $rules .= "AddDefaultCharset {$charset}\n"; |
| 341 | $rules .= "CONDITION_RULES"; |
| 342 | $rules .= "RewriteCond %{HTTP:Accept-Encoding} gzip\n"; |
| 343 | $rules .= "RewriteCond %{DOCUMENT_ROOT}{$inst_root}wp-content/cache/supercache/%{HTTP_HOST}{$home_root}$1/index.html.gz -f\n"; |
| 344 | $rules .= "RewriteRule ^(.*) {$inst_root}wp-content/cache/supercache/%{HTTP_HOST}{$home_root}$1/index.html.gz [L]\n\n"; |
| 345 | |
| 346 | $rules .= "CONDITION_RULES"; |
| 347 | $rules .= "RewriteCond %{DOCUMENT_ROOT}{$inst_root}wp-content/cache/supercache/%{HTTP_HOST}{$home_root}$1/index.html -f\n"; |
| 348 | $rules .= "RewriteRule ^(.*) {$inst_root}wp-content/cache/supercache/%{HTTP_HOST}{$home_root}$1/index.html [L]\n"; |
| 349 | $rules .= "</IfModule>\n"; |
| 350 | $rules = apply_filters( 'supercacherewriterules', $rules ); |
| 351 | |
| 352 | $rules = str_replace( "CONDITION_RULES", implode( "\n", $condition_rules ) . "\n", $rules ); |
| 353 | |
| 354 | $dohtaccess = true; |
| 355 | if( function_exists( 'is_site_admin' ) ) { |
| 356 | echo "<h4 style='color: #a00'>WordPress MU Detected</h4><p>Unfortunately the rewrite rules cannot be updated automatically when running WordPress MU. Please open your .htaccess and add the following mod_rewrite rules above any other rules in that file.</p>"; |
| 357 | } elseif( !$wprules || $wprules == '' ) { |
| 358 | echo "<h4 style='color: #a00'>Mod Rewrite rules cannot be updated!</h4>"; |
| 359 | echo "<p>You must have <strong>BEGIN</strong> and <strong>END</strong> markers in {$home_path}.htaccess for the auto update to work. They look like this and surround the main WordPress mod_rewrite rules: |
| 360 | <blockquote><code><em># BEGIN WordPress</em><br /> RewriteCond %{REQUEST_FILENAME} !-f<br /> RewriteCond %{REQUEST_FILENAME} !-d<br /> RewriteRule . /index.php [L]<br /> <em># END WordPress</em></code></blockquote> |
| 361 | Refresh this page when you have updated your .htaccess file."; |
| 362 | echo "</fieldset></div>"; |
| 363 | return; |
| 364 | } elseif( strpos( $wprules, 'wordpressuser' ) ) { // Need to clear out old mod_rewrite rules |
| 365 | echo "<p><strong>Thank you for upgrading.</strong> The mod_rewrite rules changed since you last installed this plugin. Unfortunately you must remove the old supercache rules before the new ones are updated. Refresh this page when you have edited your .htaccess file. If you wish to manually upgrade, change the following line: <blockquote><code>RewriteCond %{HTTP_COOKIE} !^.*wordpressuser.*\$</code></blockquote> so it looks like this: <blockquote><code>RewriteCond %{HTTP:Cookie} !^.*wordpress.*\$</code></blockquote> The only changes are 'HTTP_COOKIE' becomes 'HTTP:Cookie' and 'wordpressuser' becomes 'wordpress'. This is a WordPress 2.5 change but it's backwards compatible with older versions if you're brave enough to use them.</p>"; |
| 366 | echo "</fieldset></div>"; |
| 367 | return; |
| 368 | } elseif( $scrules != '' && strpos( $scrules, '%{REQUEST_URI} !^.*[^/]$' ) === false && substr( get_option( 'permalink_structure' ), -1 ) == '/' ) { // permalink structure has a trailing slash, need slash check in rules. |
| 369 | echo "<div style='padding: 2px; background: #ff0'><h4>Trailing slash check required.</h4><p>It looks like your blog has URLs that end with a '/'. Unfortunately since you installed this plugin a duplicate content bug has been found where URLs not ending in a '/' end serve the same content as those with the '/' and do not redirect to the proper URL.<br />"; |
| 370 | echo "To fix, you must edit your .htaccess file and add these two rules to the two groups of Super Cache rules:</p>"; |
| 371 | echo "<blockquote><code>RewriteCond %{REQUEST_URI} !^.*[^/]$<br />RewriteCond %{REQUEST_URI} !^.*//.*$<br /></code></blockquote>"; |
| 372 | echo "<p>You can see where the rules go and examine the complete rules by clicking the 'View mod_rewrite rules' link below.</p></div>"; |
| 373 | $dohtaccess = false; |
| 374 | } elseif( strpos( $scrules, 'supercache' ) || strpos( $wprules, 'supercache' ) ) { // only write the rules once |
| 375 | $dohtaccess = false; |
| 376 | } |
| 377 | if( $dohtaccess && !$_POST[ 'updatehtaccess' ] ) { |
| 378 | if( !is_writeable_ACLSafe( $home_path . ".htaccess" ) ) { |
| 379 | echo "<div style='padding: 2px; background: #ff0'><h4>Cannot update .htaccess</h4><p>The file <code>{$home_path}.htaccess</code> cannot be modified by the web server. Please correct this using the chmod command or your ftp client.</p><p>Refresh this page when the file permissions have been modified.</p><p>Alternatively, you can edit your <code>{$home_path}.htaccess</code> file manually and add the following code (before any WordPress rules):</p>"; |
| 380 | echo "<p><pre># BEGIN WPSuperCache\n" . wp_specialchars( $rules ) . "# END WPSuperCache</pre></p></div>"; |
| 381 | } else { |
| 382 | echo "<div style='padding: 2px; background: #ff0'><p>To serve static html files your server must have the correct mod_rewrite rules added to a file called <code>{$home_path}.htaccess</code><br /> This can be done automatically by clicking the <em>'Update mod_rewrite rules »'</em> button or you can edit the file yourself and add the following rules. Make sure they appear before any existing WordPress rules."; |
| 383 | echo "<pre># BEGIN WPSuperCache\n" . wp_specialchars( $rules ) . "# END WPSuperCache</pre></p>"; |
| 384 | echo '<form name="updatehtaccess" action="'. $_SERVER["REQUEST_URI"] . '#modrewrite" method="post">'; |
| 385 | echo '<input type="hidden" name="updatehtaccess" value="1" />'; |
| 386 | echo '<div><input type="submit" ' . SUBMITDISABLED . 'id="updatehtaccess" value="Update mod_rewrite rules »" /></div>'; |
| 387 | wp_nonce_field('wp-cache'); |
| 388 | echo "</form></div>\n"; |
| 389 | } |
| 390 | } elseif( $dohtaccess && $valid_nonce && $_POST[ 'updatehtaccess' ] ) { |
| 391 | wpsc_remove_marker( $home_path.'.htaccess', 'WordPress' ); // remove original WP rules so SuperCache rules go on top |
| 392 | echo "<div style='padding: 2px; background: #ff0'>"; |
| 393 | if( insert_with_markers( $home_path.'.htaccess', 'WPSuperCache', explode( "\n", $rules ) ) && insert_with_markers( $home_path.'.htaccess', 'WordPress', explode( "\n", $wprules ) ) ) { |
| 394 | echo "<h4>Mod Rewrite rules updated!</h4>"; |
| 395 | echo "<p><strong>{$home_path}.htaccess has been updated with the necessary mod_rewrite rules. Please verify they are correct. They should look like this:</strong></p>\n"; |
| 396 | } else { |
| 397 | echo "<h4>Mod Rewrite rules must be updated!</h4>"; |
| 398 | echo "<p><strong> Your {$home_path}.htaccess is not writable by the webserver and must be updated with the necessary mod_rewrite rules. The new rules go above the regular WordPress rules as shown in the code below:</strong></p>\n"; |
| 399 | } |
| 400 | echo "<p><pre>" . wp_specialchars( $rules ) . "</pre></p>\n</div>"; |
| 401 | } else { |
| 402 | ?> |
| 403 | <p>WP Super Cache mod rewrite rules were detected in your <?php echo $home_path ?>.htaccess file. Click the following link to see the lines added to that file. If you have upgraded the plugin make sure these rules match. <a href="javascript:toggleLayer('rewriterules');" title="See your mod_rewrite rules">View mod_rewrite rules</a> |
| 404 | <div id='rewriterules' style='display: none;'> |
| 405 | <?php echo "<p><pre># BEGIN WPSuperCache\n" . wp_specialchars( $rules ) . "# END WPSuperCache</pre></p>\n"; ?> |
| 406 | </div> |
| 407 | <?php |
| 408 | } |
| 409 | // http://allmybrain.com/2007/11/08/making-wp-super-cache-gzip-compression-work/ |
| 410 | if( !is_file( $cache_path . '.htaccess' ) ) { |
| 411 | $gziprules = "<IfModule mod_mime.c>\n AddEncoding x-gzip .gz\n AddType text/html .gz\n</IfModule>\n"; |
| 412 | $gziprules .= "<IfModule mod_deflate.c>\n SetEnvIfNoCase Request_URI \.gz$ no-gzip\n</IfModule>\n"; |
| 413 | $gziprules .= "<IfModule mod_headers.c>\n Header set Cache-Control 'max-age=300, must-revalidate'\n</IfModule>\n"; |
| 414 | $gziprules .= "<IfModule mod_expires.c>\n ExpiresActive On\n ExpiresByType text/html A300\n</IfModule>\n"; |
| 415 | $gziprules = insert_with_markers( $cache_path . '.htaccess', 'supercache', explode( "\n", $gziprules ) ); |
| 416 | echo "<h4>Gzip encoding rules in {$cache_path}.htaccess created.</h4>"; |
| 417 | } |
| 418 | |
| 419 | ?></fieldset><?php |
| 420 | } |
| 421 | |
| 422 | function wp_cache_restore() { |
| 423 | echo '<br /><fieldset class="options"><h3>Configuration messed up?</h3>'; |
| 424 | echo '<form name="wp_restore" action="'. $_SERVER["REQUEST_URI"] . '" method="post">'; |
| 425 | echo '<input type="hidden" name="wp_restore_config" />'; |
| 426 | echo '<div><input type="submit" ' . SUBMITDISABLED . 'id="deletepost" value="Restore default configuration »" /></div>'; |
| 427 | wp_nonce_field('wp-cache'); |
| 428 | echo "</form>\n"; |
| 429 | echo '</fieldset>'; |
| 430 | |
| 431 | } |
| 432 | |
| 433 | function comment_form_lockdown_message() { |
| 434 | ?><p><?php _e( "Comment moderation is enabled. Your comment may take some time to appear." ); ?></p><?php |
| 435 | } |
| 436 | if( defined( 'WPLOCKDOWN' ) && constant( 'WPLOCKDOWN' ) ) |
| 437 | add_action( 'comment_form', 'comment_form_lockdown_message' ); |
| 438 | |
| 439 | function wp_lock_down() { |
| 440 | global $wpdb, $cache_path, $wp_cache_config_file, $valid_nonce, $cached_direct_pages, $cache_enabled, $super_cache_enabled; |
| 441 | |
| 442 | if(isset($_POST['wp_lock_down']) && $valid_nonce) { |
| 443 | $wp_lock_down = $_POST['wp_lock_down'] == '1' ? '1' : '0'; |
| 444 | wp_cache_replace_line('^.*WPLOCKDOWN', "define( 'WPLOCKDOWN', '$wp_lock_down' );", $wp_cache_config_file); |
| 445 | if( $wp_lock_down == '0' && function_exists( 'prune_super_cache' ) ) |
| 446 | prune_super_cache( $cache_path, true ); // clear the cache after lockdown |
| 447 | |
| 448 | } |
| 449 | if( !isset( $wp_lock_down ) ) { |
| 450 | if( defined( 'WPLOCKDOWN' ) ) { |
| 451 | $wp_lock_down = constant( 'WPLOCKDOWN' ); |
| 452 | } else { |
| 453 | $wp_lock_down = '0'; |
| 454 | } |
| 455 | } |
| 456 | ?><br /><br /><fieldset class="options"> |
| 457 | <h3>Lock Down: <span style='color: #f00'><?php echo $wp_lock_down == '0' ? 'disabled' : 'enabled'; ?></span> (advanced use only)</h3> |
| 458 | <p>Prepare your server for an expected spike in traffic by enabling the lock down. When this is enabled, new comments on a post will not refresh the cached static files.</p> |
| 459 | <p>Developers: Make your plugin lock down compatible by checking the 'WPLOCKDOWN' constant. The following code will make sure your plugin respects the WPLOCKDOWN setting. |
| 460 | <blockquote><code>if( defined( 'WPLOCKDOWN' ) && constant( 'WPLOCKDOWN' ) ) { <br /> |
| 461 | echo "Sorry. My blog is locked down. Updates will appear shortly";<br /> |
| 462 | }</code></blockquote> |
| 463 | <?php |
| 464 | if( $wp_lock_down == '1' ) { |
| 465 | ?><strong>WordPress is locked down. Super Cache static files will not be deleted when new comments are made.</strong><?php |
| 466 | } else { |
| 467 | ?><strong>WordPress is not locked down. New comments will refresh Super Cache static files as normal.</strong><?php |
| 468 | } |
| 469 | $new_lockdown = $wp_lock_down == '1' ? '0' : '1'; |
| 470 | $new_lockdown_desc = $wp_lock_down == '1' ? 'Disable' : 'Enable'; |
| 471 | echo '<form name="wp_lock_down" action="'. $_SERVER["REQUEST_URI"] . '" method="post">'; |
| 472 | echo "<input type='hidden' name='wp_lock_down' value='{$new_lockdown}' />"; |
| 473 | echo "<div><input type='submit' " . SUBMITDISABLED . " value='{$new_lockdown_desc} Lock Down »' /></div>"; |
| 474 | wp_nonce_field('wp-cache'); |
| 475 | echo "</form>\n"; |
| 476 | |
| 477 | ?></fieldset><br /><?php |
| 478 | if( $cache_enabled == true && $super_cache_enabled == true ) { |
| 479 | ?><fieldset class="options"> |
| 480 | <h3>Directly Cached Files (advanced use only)</h3><?php |
| 481 | |
| 482 | $out = ''; |
| 483 | if( $valid_nonce && is_array( $_POST[ 'direct_pages' ] ) && !empty( $_POST[ 'direct_pages' ] ) ) { |
| 484 | $expiredfiles = array_diff( $cached_direct_pages, $_POST[ 'direct_pages' ] ); |
| 485 | unset( $cached_direct_pages ); |
| 486 | foreach( $_POST[ 'direct_pages' ] as $page ) { |
| 487 | $page = $wpdb->escape( $page ); |
| 488 | if( $page != '' ) { |
| 489 | $cached_direct_pages[] = $page; |
| 490 | $out .= "'$page', "; |
| 491 | } |
| 492 | } |
| 493 | if( $out == '' ) { |
| 494 | $out = "'', "; |
| 495 | } |
| 496 | } |
| 497 | if( $valid_nonce && $_POST[ 'new_direct_page' ] && '' != $_POST[ 'new_direct_page' ] ) { |
| 498 | $page = str_replace( get_option( 'siteurl' ), '', $_POST[ 'new_direct_page' ] ); |
| 499 | if( substr( $page, 0, 1 ) != '/' ) |
| 500 | $page = '/' . $page; |
| 501 | $page = $wpdb->escape( $page ); |
| 502 | if( in_array( $page, $cached_direct_pages ) == false ) { |
| 503 | $cached_direct_pages[] = $page; |
| 504 | $out .= "'$page', "; |
| 505 | } |
| 506 | } |
| 507 | |
| 508 | if( $out != '' ) { |
| 509 | $out = substr( $out, 0, -2 ); |
| 510 | $out = '$cached_direct_pages = array( ' . $out . ' );'; |
| 511 | wp_cache_replace_line('^ *\$cached_direct_pages', "$out", $wp_cache_config_file); |
| 512 | prune_super_cache( $cache_path, true ); |
| 513 | } |
| 514 | |
| 515 | if( !empty( $expiredfiles ) ) { |
| 516 | foreach( $expiredfiles as $file ) { |
| 517 | if( $file != '' ) { |
| 518 | $firstfolder = explode( '/', $file ); |
| 519 | $firstfolder = ABSPATH . $firstfolder[1]; |
| 520 | $file = ABSPATH . $file; |
| 521 | @unlink( trailingslashit( $file ) . 'index.html' ); |
| 522 | @unlink( trailingslashit( $file ) . 'index.html.gz' ); |
| 523 | RecursiveFolderDelete( trailingslashit( $firstfolder ) ); |
| 524 | } |
| 525 | } |
| 526 | } |
| 527 | |
| 528 | if( $valid_nonce && $_POST[ 'deletepage' ] ) { |
| 529 | $page = preg_replace('/[ <>\'\"\r\n\t\(\)]/', '', str_replace( '..', '', $_POST['deletepage']) ); |
| 530 | $pagefile = ABSPATH . $page . 'index.html'; |
| 531 | $firstfolder = explode( '/', $page ); |
| 532 | $firstfolder = ABSPATH . $firstfolder[1]; |
| 533 | $page = ABSPATH . $page; |
| 534 | if( is_file( $pagefile ) && is_writeable_ACLSafe( $pagefile ) && is_writeable_ACLSafe( $firstfolder ) ) { |
| 535 | @unlink( $pagefile ); |
| 536 | @unlink( $pagefile . '.gz' ); |
| 537 | RecursiveFolderDelete( $firstfolder ); |
| 538 | echo "<strong>$pagefile removed!</strong><br />"; |
| 539 | prune_super_cache( $cache_path, true ); |
| 540 | } |
| 541 | } |
| 542 | |
| 543 | $readonly = ''; |
| 544 | if( !is_writeable_ACLSafe( ABSPATH ) ) { |
| 545 | $readonly = 'READONLY'; |
| 546 | ?><p><strong style='color: #a00'>WARNING! You must make <?php echo ABSPATH ?> writable to enable this feature. As this is a security risk please make it readonly after your page is generated.</strong></p><?php |
| 547 | } else { |
| 548 | ?><p><strong style='color: #a00'>WARNING! <?php echo ABSPATH ?> is writable. Please make it readonly after your page is generated as this is a security risk.</strong></p><?php |
| 549 | } |
| 550 | echo '<form name="direct_page" action="'. $_SERVER["REQUEST_URI"] . '" method="post">'; |
| 551 | if( is_array( $cached_direct_pages ) ) { |
| 552 | $out = ''; |
| 553 | foreach( $cached_direct_pages as $page ) { |
| 554 | if( $page == '' ) |
| 555 | continue; |
| 556 | $generated = ''; |
| 557 | if( is_file( ABSPATH . $page . '/index.html' ) ) |
| 558 | $generated = '<input type="Submit" name="deletepage" value="' . $page . '">'; |
| 559 | $out .= "<tr><td><input type='text' $readonly name='direct_pages[]' size='30' value='$page' /></td><td>$generated</td></tr>"; |
| 560 | } |
| 561 | if( $out != '' ) { |
| 562 | ?><table><tr><th>Existing direct page</th><th>Delete cached file</th></tr><?php |
| 563 | echo "$out</table>"; |
| 564 | } |
| 565 | } |
| 566 | if( $readonly != 'READONLY' ) |
| 567 | echo "Add direct page: <input type='text' $readonly name='new_direct_page' size='30' value='' /><br />"; |
| 568 | |
| 569 | echo "<p>Directly cached files are files created directly off " . ABSPATH . " where your blog lives. This feature is only useful if you are expecting a major Digg or Slashdot level of traffic to one post or page.</p>"; |
| 570 | if( $readonly != 'READONLY' ) { |
| 571 | echo "<p>For example: to cache <em>'" . trailingslashit( get_option( 'siteurl' ) ) . "about/'</em>, you would enter '" . trailingslashit( get_option( 'siteurl' ) ) . "about/' or '/about/'. The cached file will be generated the next time an anonymous user visits that page.</p>"; |
| 572 | echo "<p>Make the textbox blank to remove it from the list of direct pages and delete the cached file.</p>"; |
| 573 | } |
| 574 | |
| 575 | wp_nonce_field('wp-cache'); |
| 576 | if( $readonly != 'READONLY' ) |
| 577 | echo "<div><input type='submit' ' . SUBMITDISABLED . 'value='Update direct pages »' /></div>"; |
| 578 | echo "</form>\n"; |
| 579 | ?></fieldset><?php |
| 580 | } // if $super_cache_enabled |
| 581 | } |
| 582 | |
| 583 | function RecursiveFolderDelete ( $folderPath ) { // from http://www.php.net/manual/en/function.rmdir.php |
| 584 | if( trailingslashit( constant( 'ABSPATH' ) ) == trailingslashit( $folderPath ) ) |
| 585 | return false; |
| 586 | if ( @is_dir ( $folderPath ) ) { |
| 587 | $dh = @opendir($folderPath); |
| 588 | while (false !== ($value = @readdir($dh))) { |
| 589 | if ( $value != "." && $value != ".." ) { |
| 590 | $value = $folderPath . "/" . $value; |
| 591 | if ( @is_dir ( $value ) ) { |
| 592 | RecursiveFolderDelete ( $value ); |
| 593 | } |
| 594 | } |
| 595 | } |
| 596 | return @rmdir ( $folderPath ); |
| 597 | } else { |
| 598 | return FALSE; |
| 599 | } |
| 600 | } |
| 601 | |
| 602 | function wp_cache_edit_max_time () { |
| 603 | global $cache_max_time, $wp_cache_config_file, $valid_nonce, $cache_enabled, $super_cache_enabled, $wp_cache_gc; |
| 604 | |
| 605 | if( !isset( $cache_max_time ) ) |
| 606 | $cache_max_time = 3600; |
| 607 | |
| 608 | if(isset($_POST['wp_max_time']) && $valid_nonce) { |
| 609 | $max_time = (int)$_POST['wp_max_time']; |
| 610 | if ($max_time > 0) { |
| 611 | $cache_max_time = $max_time; |
| 612 | wp_cache_replace_line('^ *\$cache_max_time', "\$cache_max_time = $cache_max_time;", $wp_cache_config_file); |
| 613 | } |
| 614 | } |
| 615 | if(isset($_POST['wp_cache_gc']) && $valid_nonce) { |
| 616 | $wp_cache_gc = (int)$_POST['wp_cache_gc']; |
| 617 | wp_cache_replace_line('^ *\$wp_cache_gc', "\$wp_cache_gc = $wp_cache_gc;", $wp_cache_config_file); |
| 618 | } |
| 619 | ?><br /><fieldset class="options"> |
| 620 | <h3>Expiry Time and Garbage Collection</h3><?php |
| 621 | echo '<form name="wp_edit_max_time" action="'. $_SERVER["REQUEST_URI"] . '" method="post">'; |
| 622 | echo '<label for="wp_max_time">Expire time:</label> '; |
| 623 | echo "<input type=\"text\" size=6 name=\"wp_max_time\" value=\"$cache_max_time\" /> seconds<br />"; |
| 624 | if( !isset( $wp_cache_gc ) ) |
| 625 | $wp_cache_gc = 1000; |
| 626 | echo "<h4>Garbage Collection</h4><p>How often should expired files be deleted? Once every:</p>"; |
| 627 | echo "<ul><li><input type='radio' name='wp_cache_gc' value='1000'" . ( $wp_cache_gc == 1000 ? ' checked=checked' : '' ) . " /> 1000 requests</li>\n"; |
| 628 | echo "<li><input type='radio' name='wp_cache_gc' value='2000'" . ( $wp_cache_gc == 2000 ? ' checked=checked' : '' ) . " /> 2000 requests</li>\n"; |
| 629 | echo "<li><input type='radio' name='wp_cache_gc' value='5000'" . ( $wp_cache_gc == 5000 ? ' checked=checked' : '' ) . " /> 5000 requests</li></ul>\n"; |
| 630 | echo "<p>Checking for and deleting expired files is expensive, but it's expensive leaving them there too. On a very busy site you can leave this fairly high. Experiment with different values and visit this page to see how many expired files remain at different times during the day.</p><p>Simple rule of thumb: divide your number of daily page views by 5 and pick the closest number above.</p>"; |
| 631 | echo '<div><input type="submit" ' . SUBMITDISABLED . 'value="Change expiration »" /></div>'; |
| 632 | wp_nonce_field('wp-cache'); |
| 633 | echo "</form>\n"; |
| 634 | ?></fieldset><?php |
| 635 | } |
| 636 | |
| 637 | function wp_cache_sanitize_value($text, & $array) { |
| 638 | $text = wp_specialchars(strip_tags($text)); |
| 639 | $array = preg_split("/[\s,]+/", chop($text)); |
| 640 | $text = var_export($array, true); |
| 641 | $text = preg_replace('/[\s]+/', ' ', $text); |
| 642 | return $text; |
| 643 | } |
| 644 | |
| 645 | // from tehjosh at gamingg dot net http://uk2.php.net/manual/en/function.apache-request-headers.php#73964 |
| 646 | // fixed bug in second substr() |
| 647 | if( !function_exists('apache_request_headers') ) { |
| 648 | function apache_request_headers() { |
| 649 | $headers = array(); |
| 650 | foreach(array_keys($_SERVER) as $skey) { |
| 651 | if(substr($skey, 0, 5) == "HTTP_") { |
| 652 | $headername = str_replace(" ", "-", ucwords(strtolower(str_replace("_", " ", substr($skey, 5))))); |
| 653 | $headers[$headername] = $_SERVER[$skey]; |
| 654 | } |
| 655 | } |
| 656 | return $headers; |
| 657 | } |
| 658 | } |
| 659 | |
| 660 | function wp_cache_edit_rejected_ua() { |
| 661 | global $cache_rejected_user_agent, $wp_cache_config_file, $valid_nonce; |
| 662 | |
| 663 | if (!function_exists('apache_request_headers')) return; |
| 664 | |
| 665 | if(isset($_REQUEST['wp_rejected_user_agent']) && $valid_nonce) { |
| 666 | $text = wp_cache_sanitize_value($_REQUEST['wp_rejected_user_agent'], $cache_rejected_user_agent); |
| 667 | wp_cache_replace_line('^ *\$cache_rejected_user_agent', "\$cache_rejected_user_agent = $text;", $wp_cache_config_file); |
| 668 | } |
| 669 | |
| 670 | |
| 671 | echo '<br /><a name="user-agents"></a><fieldset class="options"><h3>Rejected User Agents</h3>'; |
| 672 | echo "<p>Strings in the HTTP 'User Agent' header that prevent WP-Cache from |
| 673 | caching bot, spiders, and crawlers' requests. |
| 674 | Note that cached files are still sent to these request if they already exists.</p>\n"; |
| 675 | echo '<form name="wp_edit_rejected_user_agent" action="'. $_SERVER["REQUEST_URI"] . '" method="post">'; |
| 676 | echo '<label for="wp_rejected_user_agent"><h4>Rejected UA strings</h4></label>'; |
| 677 | echo '<textarea name="wp_rejected_user_agent" cols="40" rows="4" style="width: 50%; font-size: 12px;" class="code">'; |
| 678 | foreach ($cache_rejected_user_agent as $ua) { |
| 679 | echo wp_specialchars($ua) . "\n"; |
| 680 | } |
| 681 | echo '</textarea> '; |
| 682 | echo '<div><input type="submit" ' . SUBMITDISABLED . 'value="Save UA strings »" /></div>'; |
| 683 | wp_nonce_field('wp-cache'); |
| 684 | echo '</form>'; |
| 685 | echo "</fieldset>\n"; |
| 686 | } |
| 687 | |
| 688 | |
| 689 | function wp_cache_edit_rejected() { |
| 690 | global $cache_acceptable_files, $cache_rejected_uri, $wp_cache_config_file, $valid_nonce; |
| 691 | |
| 692 | if(isset($_REQUEST['wp_rejected_uri']) && $valid_nonce) { |
| 693 | $text = wp_cache_sanitize_value($_REQUEST['wp_rejected_uri'], $cache_rejected_uri); |
| 694 | wp_cache_replace_line('^ *\$cache_rejected_uri', "\$cache_rejected_uri = $text;", $wp_cache_config_file); |
| 695 | } |
| 696 | |
| 697 | |
| 698 | echo '<form name="wp_edit_rejected" action="'. $_SERVER["REQUEST_URI"] . '" method="post">'; |
| 699 | echo '<label for="wp_rejected_uri"><h4>Rejected URIs</h4></label>'; |
| 700 | echo "<p>Add here strings (not a filename) that forces a page not to be cached. For example, if your URLs include year and you dont want to cache last year posts, it's enough to specify the year, i.e. '/2004/'. WP-Cache will search if that string is part of the URI and if so, it will not cache that page.</p>\n"; |
| 701 | echo '<textarea name="wp_rejected_uri" cols="40" rows="4" style="width: 50%; font-size: 12px;" class="code">'; |
| 702 | foreach ($cache_rejected_uri as $file) { |
| 703 | echo wp_specialchars($file) . "\n"; |
| 704 | } |
| 705 | echo '</textarea> '; |
| 706 | echo '<div><input type="submit" ' . SUBMITDISABLED . 'value="Save strings »" /></div>'; |
| 707 | wp_nonce_field('wp-cache'); |
| 708 | echo "</form>\n"; |
| 709 | } |
| 710 | |
| 711 | function wp_cache_edit_accepted() { |
| 712 | global $cache_acceptable_files, $cache_rejected_uri, $wp_cache_config_file, $valid_nonce; |
| 713 | |
| 714 | if(isset($_REQUEST['wp_accepted_files']) && $valid_nonce) { |
| 715 | $text = wp_cache_sanitize_value($_REQUEST['wp_accepted_files'], $cache_acceptable_files); |
| 716 | wp_cache_replace_line('^ *\$cache_acceptable_files', "\$cache_acceptable_files = $text;", $wp_cache_config_file); |
| 717 | } |
| 718 | |
| 719 | |
| 720 | echo '<br clear="all" /><form name="wp_edit_accepted" action="'. $_SERVER["REQUEST_URI"] . '" method="post">'; |
| 721 | echo '<h4>Accepted files</h4>'; |
| 722 | echo "<p>Add here those filenames that can be cached, even if they match one of the rejected substring specified above.</p>\n"; |
| 723 | echo '<textarea name="wp_accepted_files" cols="40" rows="8" style="width: 50%; font-size: 12px;" class="code">'; |
| 724 | foreach ($cache_acceptable_files as $file) { |
| 725 | echo wp_specialchars($file) . "\n"; |
| 726 | } |
| 727 | echo '</textarea> '; |
| 728 | echo '<div><input type="submit" ' . SUBMITDISABLED . 'value="Save files »" /></div>'; |
| 729 | wp_nonce_field('wp-cache'); |
| 730 | echo "</form>\n"; |
| 731 | } |
| 732 | |
| 733 | function wp_cache_enable() { |
| 734 | global $wp_cache_config_file, $cache_enabled, $supercachedir; |
| 735 | |
| 736 | if(get_option('gzipcompression')) { |
| 737 | echo "<b>Error: GZIP compression is enabled, disable it if you want to enable wp-cache.</b><br /><br />"; |
| 738 | return false; |
| 739 | } |
| 740 | if( wp_cache_replace_line('^ *\$cache_enabled', '$cache_enabled = true;', $wp_cache_config_file) ) { |
| 741 | $cache_enabled = true; |
| 742 | } |
| 743 | wp_super_cache_enable(); |
| 744 | } |
| 745 | |
| 746 | function wp_cache_disable() { |
| 747 | global $cache_path, $wp_cache_config_file, $cache_enabled, $supercachedir, $cache_path; |
| 748 | |
| 749 | if (wp_cache_replace_line('^ *\$cache_enabled', '$cache_enabled = false;', $wp_cache_config_file)) { |
| 750 | $cache_enabled = false; |
| 751 | } |
| 752 | wp_super_cache_disable(); |
| 753 | sleep( 1 ); // allow existing processes to write to the supercachedir and then delete it |
| 754 | if (function_exists ('prune_super_cache') && is_dir( $supercachedir ) ) { |
| 755 | prune_super_cache( $cache_path, true ); |
| 756 | } |
| 757 | } |
| 758 | function wp_super_cache_enable() { |
| 759 | global $supercachedir, $wp_cache_config_file, $super_cache_enabled; |
| 760 | |
| 761 | if( is_dir( $supercachedir . ".disabled" ) ) |
| 762 | rename( $supercachedir . ".disabled", $supercachedir ); |
| 763 | wp_cache_replace_line('^ *\$super_cache_enabled', '$super_cache_enabled = true;', $wp_cache_config_file); |
| 764 | $super_cache_enabled = true; |
| 765 | } |
| 766 | |
| 767 | function wp_super_cache_disable() { |
| 768 | global $supercachedir, $wp_cache_config_file, $super_cache_enabled; |
| 769 | |
| 770 | wp_cache_replace_line('^ *\$super_cache_enabled', '$super_cache_enabled = false;', $wp_cache_config_file); |
| 771 | if( is_dir( $supercachedir ) ) |
| 772 | rename( $supercachedir, $supercachedir . ".disabled" ); |
| 773 | $super_cache_enabled = false; |
| 774 | } |
| 775 | |
| 776 | function wp_cache_is_enabled() { |
| 777 | global $wp_cache_config_file; |
| 778 | |
| 779 | if(get_option('gzipcompression')) { |
| 780 | echo "<b>Warning</b>: GZIP compression is enabled in Wordpress, wp-cache will be bypassed until you disable gzip compression.<br />"; |
| 781 | return false; |
| 782 | } |
| 783 | $lines = file($wp_cache_config_file); |
| 784 | foreach($lines as $line) { |
| 785 | if (preg_match('/^ *\$cache_enabled *= *true *;/', $line)) |
| 786 | return true; |
| 787 | } |
| 788 | return false; |
| 789 | } |
| 790 | |
| 791 | |
| 792 | function wp_cache_replace_line($old, $new, $my_file) { |
| 793 | if (!is_writeable_ACLSafe($my_file)) { |
| 794 | echo "Error: file $my_file is not writable.<br />\n"; |
| 795 | return false; |
| 796 | } |
| 797 | $found = false; |
| 798 | $lines = file($my_file); |
| 799 | foreach($lines as $line) { |
| 800 | if ( preg_match("/$old/", $line)) { |
| 801 | $found = true; |
| 802 | break; |
| 803 | } |
| 804 | } |
| 805 | if ($found) { |
| 806 | $fd = fopen($my_file, 'w'); |
| 807 | foreach($lines as $line) { |
| 808 | if ( !preg_match("/$old/", $line)) |
| 809 | fputs($fd, $line); |
| 810 | else { |
| 811 | fputs($fd, "$new //Added by WP-Cache Manager\n"); |
| 812 | } |
| 813 | } |
| 814 | fclose($fd); |
| 815 | return true; |
| 816 | } |
| 817 | $fd = fopen($my_file, 'w'); |
| 818 | $done = false; |
| 819 | foreach($lines as $line) { |
| 820 | if ( $done || !preg_match('/^define|\$|\?>/', $line)) |
| 821 | fputs($fd, $line); |
| 822 | else { |
| 823 | fputs($fd, "$new //Added by WP-Cache Manager\n"); |
| 824 | fputs($fd, $line); |
| 825 | $done = true; |
| 826 | } |
| 827 | } |
| 828 | fclose($fd); |
| 829 | return true; |
| 830 | /* |
| 831 | copy($my_file, $my_file . "-prev"); |
| 832 | rename($my_file . '-new', $my_file); |
| 833 | */ |
| 834 | } |
| 835 | |
| 836 | function wp_cache_verify_cache_dir() { |
| 837 | global $cache_path; |
| 838 | |
| 839 | $dir = dirname($cache_path); |
| 840 | if ( !file_exists($cache_path) ) { |
| 841 | if ( !is_writeable_ACLSafe( $dir ) || !($dir = mkdir( $cache_path ) ) ) { |
| 842 | echo "<b>Error:</b> Your cache directory (<b>$cache_path</b>) did not exist and couldn't be created by the web server. <br /> Check $dir permissions."; |
| 843 | return false; |
| 844 | } |
| 845 | } |
| 846 | if ( !is_writeable_ACLSafe($cache_path)) { |
| 847 | echo "<b>Error:</b> Your cache directory (<b>$cache_path</b>) or <b>$dir</b> need to be writable for this plugin to work. <br /> Double-check it."; |
| 848 | return false; |
| 849 | } |
| 850 | |
| 851 | if ( '/' != substr($cache_path, -1)) { |
| 852 | $cache_path .= '/'; |
| 853 | } |
| 854 | |
| 855 | @mkdir( $cache_path . 'meta' ); |
| 856 | |
| 857 | return true; |
| 858 | } |
| 859 | |
| 860 | function wp_cache_verify_config_file() { |
| 861 | global $wp_cache_config_file, $wp_cache_config_file_sample, $sem_id, $cache_path; |
| 862 | |
| 863 | $new = false; |
| 864 | $dir = dirname($wp_cache_config_file); |
| 865 | |
| 866 | if ( file_exists($wp_cache_config_file) ) { |
| 867 | $lines = join( ' ', file( $wp_cache_config_file ) ); |
| 868 | if( strpos( $lines, 'WPCACHEHOME' ) === false ) { |
| 869 | if( is_writeable_ACLSafe( $wp_cache_config_file ) ) { |
| 870 | @unlink( $wp_cache_config_file ); |
| 871 | } else { |
| 872 | echo "<b>Error:</b> Your WP-Cache config file (<b>$wp_cache_config_file</b>) is out of date and not writable by the Web server.<br />Please delete it and refresh this page."; |
| 873 | return false; |
| 874 | } |
| 875 | } |
| 876 | } elseif( !is_writeable_ACLSafe($dir)) { |
| 877 | echo "<b>Error:</b> Configuration file missing and " . WP_CONTENT_DIR . " directory (<b>$dir</b>) is not writable by the Web server.<br />Check its permissions."; |
| 878 | return false; |
| 879 | } |
| 880 | |
| 881 | if ( !file_exists($wp_cache_config_file) ) { |
| 882 | if ( !file_exists($wp_cache_config_file_sample) ) { |
| 883 | echo "<b>Error:</b> Sample WP-Cache config file (<b>$wp_cache_config_file_sample</b>) does not exist.<br />Verify you installation."; |
| 884 | return false; |
| 885 | } |
| 886 | copy($wp_cache_config_file_sample, $wp_cache_config_file); |
| 887 | if( is_file( dirname(__FILE__) . '/wp-cache-config-sample.php' ) ) { |
| 888 | wp_cache_replace_line('WPCACHEHOME', "define( 'WPCACHEHOME', ABSPATH . " . str_replace( '\\', '/', str_replace( ABSPATH, ' "', dirname(__FILE__) ) ) . "/\" );", $wp_cache_config_file); |
| 889 | } elseif( is_file( dirname(__FILE__) . '/wp-super-cache/wp-cache-config-sample.php' ) ) { |
| 890 | wp_cache_replace_line('WPCACHEHOME', "define( 'WPCACHEHOME', ABSPATH . " . str_replace( '\\', '/', str_replace( ABSPATH, ' "', dirname(__FILE__) ) ) . "/wp-super-cache/\" );", $wp_cache_config_file); |
| 891 | } |
| 892 | $new = true; |
| 893 | } |
| 894 | if( $sem_id == 5419 && $cache_path != '' ) { |
| 895 | $sem_id = crc32( $_SERVER[ 'HTTP_HOST' ] . $cache_path ) & 0x7fffffff; |
| 896 | wp_cache_replace_line('sem_id', '$sem_id = ' . $sem_id . ';', $wp_cache_config_file); |
| 897 | } |
| 898 | require($wp_cache_config_file); |
| 899 | return true; |
| 900 | } |
| 901 | |
| 902 | function wp_cache_check_link() { |
| 903 | global $wp_cache_link, $wp_cache_file; |
| 904 | |
| 905 | if( file_exists($wp_cache_link) ) { |
| 906 | if( strpos( join( "\n", file( $wp_cache_link ) ), 'WPCACHEHOME' ) ) { |
| 907 | // read the file and verify it's a super-cache file and not the wp-cache one. |
| 908 | return true; |
| 909 | } else { |
| 910 | // remove the old version |
| 911 | @unlink($wp_cache_link); |
| 912 | } |
| 913 | } |
| 914 | |
| 915 | $ret = true; |
| 916 | if ( basename(@readlink($wp_cache_link)) != basename($wp_cache_file)) { |
| 917 | @unlink($wp_cache_link); |
| 918 | if( function_exists( 'symlink' ) ) { |
| 919 | if( !@symlink ($wp_cache_file, $wp_cache_link) ) { |
| 920 | $ret = false; |
| 921 | } |
| 922 | } elseif( !@copy( $wp_cache_file, $wp_cache_link ) ) { |
| 923 | $ret = false; |
| 924 | } |
| 925 | if( !$ret ) { |
| 926 | echo "<code>advanced-cache.php</code> does not exist<br />"; |
| 927 | echo "Create it by executing: <br /><code>ln -s $wp_cache_file $wp_cache_link</code><br /> in your server<br />"; |
| 928 | echo "Or by copying $wp_cache_file to $wp_cache_link.<br />"; |
| 929 | return false; |
| 930 | } |
| 931 | } |
| 932 | return true; |
| 933 | } |
| 934 | |
| 935 | function wp_cache_check_global_config() { |
| 936 | |
| 937 | if ( file_exists( ABSPATH . 'wp-config.php') ) { |
| 938 | $global = ABSPATH . 'wp-config.php'; |
| 939 | } else { |
| 940 | $global = dirname(ABSPATH) . '/wp-config.php'; |
| 941 | } |
| 942 | |
| 943 | $lines = file($global); |
| 944 | foreach($lines as $line) { |
| 945 | if (preg_match('/^ *define *\( *\'WP_CACHE\' *, *true *\) *;/', $line)) { |
| 946 | return true; |
| 947 | } |
| 948 | } |
| 949 | $line = 'define(\'WP_CACHE\', true);'; |
| 950 | if (!is_writeable_ACLSafe($global) || !wp_cache_replace_line('define *\( *\'WP_CACHE\'', $line, $global) ) { |
| 951 | echo "<b>Error: WP_CACHE is not enabled</b> in your <code>wp-config.php</code> file and I couldn't modified it.<br />"; |
| 952 | echo "Edit <code>$global</code> and add the following line: <br /><code>define('WP_CACHE', true);</code><br />Otherwise, <b>WP-Cache will not be executed</b> by Wordpress core. <br />"; |
| 953 | return false; |
| 954 | } |
| 955 | return true; |
| 956 | } |
| 957 | |
| 958 | function wp_cache_files() { |
| 959 | global $cache_path, $file_prefix, $cache_max_time, $valid_nonce, $supercachedir, $cache_enabled, $super_cache_enabled; |
| 960 | |
| 961 | if ( '/' != substr($cache_path, -1)) { |
| 962 | $cache_path .= '/'; |
| 963 | } |
| 964 | |
| 965 | if ( $valid_nonce ) { |
| 966 | if(isset($_REQUEST['wp_delete_cache'])) { |
| 967 | wp_cache_clean_cache($file_prefix); |
| 968 | } |
| 969 | if(isset($_REQUEST['wp_delete_cache_file'])) { |
| 970 | wp_cache_clean_cache($_REQUEST['wp_delete_cache_file']); |
| 971 | } |
| 972 | if(isset($_REQUEST['wp_delete_expired'])) { |
| 973 | wp_cache_clean_expired($file_prefix); |
| 974 | } |
| 975 | } |
| 976 | if(isset($_REQUEST['wp_list_cache'])) { |
| 977 | $list_files = true; |
| 978 | $list_mess = "Update list"; |
| 979 | } else |
| 980 | $list_mess = "List files"; |
| 981 | |
| 982 | echo '<br /><a name="list"></a><fieldset class="options"><h3>Cache Contents</h3>'; |
| 983 | /* |
| 984 | echo '<form name="wp_cache_content_list" action="'. $_SERVER["REQUEST_URI"] . '#list" method="post">'; |
| 985 | echo '<input type="hidden" name="wp_list_cache" />'; |
| 986 | echo '<div><input type="submit" ' . SUBMITDISABLED . 'value="'.$list_mess.' »" /></div>'; |
| 987 | echo "</form>\n"; |
| 988 | */ |
| 989 | |
| 990 | $list_files = false; // it doesn't list supercached files, and removing single pages is buggy |
| 991 | $count = 0; |
| 992 | $expired = 0; |
| 993 | $now = time(); |
| 994 | if ( ($handle = @opendir( $cache_path . 'meta/' )) ) { |
| 995 | if ($list_files) echo "<table cellspacing=\"0\" cellpadding=\"5\">"; |
| 996 | while ( false !== ($file = readdir($handle))) { |
| 997 | if ( preg_match("/^$file_prefix.*\.meta/", $file) ) { |
| 998 | $this_expired = false; |
| 999 | $content_file = preg_replace("/meta$/", "html", $file); |
| 1000 | $mtime = filemtime($cache_path . 'meta/' . $file); |
| 1001 | if ( ! ($fsize = @filesize($cache_path.$content_file)) ) |
| 1002 | continue; // .meta does not exists |
| 1003 | $fsize = intval($fsize/1024); |
| 1004 | $age = $now - $mtime; |
| 1005 | if ( $age > $cache_max_time) { |
| 1006 | $expired++; |
| 1007 | $this_expired = true; |
| 1008 | } |
| 1009 | $count++; |
| 1010 | if ($list_files) { |
| 1011 | $meta = new CacheMeta; |
| 1012 | $meta = unserialize(file_get_contents($cache_path . 'meta/' . $file)); |
| 1013 | echo $flip ? '<tr style="background: #EAEAEA;">' : '<tr>'; |
| 1014 | $flip = !$flip; |
| 1015 | echo '<td><a href="http://' . $meta->uri . '" target="_blank" >'; |
| 1016 | echo $meta->uri . "</a></td>"; |
| 1017 | if ($this_expired) echo "<td><span style='color:red'>$age secs</span></td>"; |
| 1018 | else echo "<td>$age secs</td>"; |
| 1019 | echo "<td>$fsize KB</td>"; |
| 1020 | echo '<td><form name="wp_delete_cache_file" action="'. $_SERVER["REQUEST_URI"] . '#list" method="post">'; |
| 1021 | echo '<input type="hidden" name="wp_list_cache" />'; |
| 1022 | echo '<input type="hidden" name="wp_delete_cache_file" value="'.preg_replace("/^(.*)\.meta$/", "$1", $file).'" />'; |
| 1023 | echo '<div><input id="deletepost" ' . SUBMITDISABLED . 'type="submit" value="Remove" /></div>'; |
| 1024 | wp_nonce_field('wp-cache'); |
| 1025 | echo "</form></td></tr>\n"; |
| 1026 | } |
| 1027 | } |
| 1028 | } |
| 1029 | closedir($handle); |
| 1030 | if ($list_files) echo "</table>"; |
| 1031 | } |
| 1032 | if( $cache_enabled == true && $super_cache_enabled == true ) { |
| 1033 | $now = time(); |
| 1034 | $sizes = array( 'expired' => 0, 'cached' => 0, 'ts' => 0 ); |
| 1035 | |
| 1036 | if (is_dir($supercachedir)) { |
| 1037 | $entries = glob($supercachedir. '/*'); |
| 1038 | foreach( (array) $entries as $entry) { |
| 1039 | if ($entry != '.' && $entry != '..') { |
| 1040 | $sizes = wpsc_dirsize( $entry, $sizes ); |
| 1041 | } |
| 1042 | } |
| 1043 | } else { |
| 1044 | if(is_file($supercachedir) && filemtime( $supercachedir ) + $cache_max_time <= $now ) |
| 1045 | $sizes[ 'expired' ] ++; |
| 1046 | } |
| 1047 | $sizes[ 'ts' ] = time(); |
| 1048 | } |
| 1049 | |
| 1050 | echo "<p><h4>WP-Cache</h4></p>"; |
| 1051 | echo "<ul><li>$count cached pages</li>"; |
| 1052 | echo "<li>$expired expired pages</li></ul>"; |
| 1053 | if( $cache_enabled == true && $super_cache_enabled == true ) { |
| 1054 | echo "<p><h4>WP-Super-Cache</h4></p>"; |
| 1055 | echo "<ul><li>" . intval($sizes['cached']/2) . " cached pages</li>"; |
| 1056 | $age = intval(($now - $sizes['ts'])/60); |
| 1057 | echo "<li>" . intval($sizes['expired']/2) . " expired pages.</li></ul>"; |
| 1058 | } |
| 1059 | |
| 1060 | echo '<form name="wp_cache_content_expired" action="'. $_SERVER["REQUEST_URI"] . '#list" method="post">'; |
| 1061 | echo '<input type="hidden" name="wp_delete_expired" />'; |
| 1062 | echo '<div><input type="submit" ' . SUBMITDISABLED . 'value="Delete expired »" /></div>'; |
| 1063 | wp_nonce_field('wp-cache'); |
| 1064 | echo "</form>\n"; |
| 1065 | |
| 1066 | |
| 1067 | echo '<form name="wp_cache_content_delete" action="'. $_SERVER["REQUEST_URI"] . '#list" method="post">'; |
| 1068 | echo '<input type="hidden" name="wp_delete_cache" />'; |
| 1069 | echo '<div><input id="deletepost" type="submit" ' . SUBMITDISABLED . 'value="Delete cache »" /></div>'; |
| 1070 | wp_nonce_field('wp-cache'); |
| 1071 | echo "</form>\n"; |
| 1072 | |
| 1073 | echo '</fieldset>'; |
| 1074 | } |
| 1075 | |
| 1076 | function delete_cache_dashboard() { |
| 1077 | echo "<li><a href='" . wp_nonce_url( 'options-general.php?page=wpsupercache&wp_delete_cache=1#list', 'wp-cache' ) . "' target='_blank' title='Delete Super Cache cached files (opens in new window)'>Delete Cache</a></li>"; |
| 1078 | } |
| 1079 | add_action( 'dashmenu', 'delete_cache_dashboard' ); |
| 1080 | |
| 1081 | function wpsc_dirsize($directory, $sizes) { |
| 1082 | global $cache_max_time; |
| 1083 | $now = time(); |
| 1084 | |
| 1085 | if (is_dir($directory)) { |
| 1086 | $entries = glob($directory. '/*'); |
| 1087 | if( is_array( $entries ) && !empty( $entries ) ) foreach ($entries as $entry) { |
| 1088 | if ($entry != '.' && $entry != '..') { |
| 1089 | $sizes = wpsc_dirsize($entry, $sizes); |
| 1090 | } |
| 1091 | } |
| 1092 | } else { |
| 1093 | if(is_file($directory) ) { |
| 1094 | if( filemtime( $directory ) + $cache_max_time <= $now ) { |
| 1095 | $sizes[ 'expired' ]+=1; |
| 1096 | } else { |
| 1097 | $sizes[ 'cached' ]+=1; |
| 1098 | } |
| 1099 | } |
| 1100 | } |
| 1101 | return $sizes; |
| 1102 | } |
| 1103 | |
| 1104 | |
| 1105 | function wp_cache_clean_cache($file_prefix) { |
| 1106 | global $cache_path, $supercachedir; |
| 1107 | |
| 1108 | // If phase2 was compiled, use its function to avoid race-conditions |
| 1109 | if(function_exists('wp_cache_phase2_clean_cache')) { |
| 1110 | if (function_exists ('prune_super_cache')) { |
| 1111 | if( is_dir( $supercachedir ) ) { |
| 1112 | prune_super_cache( $supercachedir, true ); |
| 1113 | } elseif( is_dir( $supercachedir . '.disabled' ) ) { |
| 1114 | prune_super_cache( $supercachedir . '.disabled', true ); |
| 1115 | } |
| 1116 | prune_super_cache( $cache_path, true ); |
| 1117 | $_POST[ 'super_cache_stats' ] = 1; // regenerate super cache stats; |
| 1118 | } |
| 1119 | return wp_cache_phase2_clean_cache($file_prefix); |
| 1120 | } |
| 1121 | |
| 1122 | $expr = "/^$file_prefix/"; |
| 1123 | if ( ($handle = opendir( $cache_path )) ) { |
| 1124 | while ( false !== ($file = readdir($handle))) { |
| 1125 | if ( preg_match($expr, $file) ) { |
| 1126 | unlink($cache_path . $file); |
| 1127 | unlink($cache_path . 'meta/' . str_replace( '.html', '.term', $file ) ); |
| 1128 | } |
| 1129 | } |
| 1130 | closedir($handle); |
| 1131 | } |
| 1132 | } |
| 1133 | |
| 1134 | function wp_cache_clean_expired($file_prefix) { |
| 1135 | global $cache_path, $cache_max_time; |
| 1136 | |
| 1137 | // If phase2 was compiled, use its function to avoid race-conditions |
| 1138 | if(function_exists('wp_cache_phase2_clean_expired')) { |
| 1139 | if (function_exists ('prune_super_cache')) { |
| 1140 | $dir = $cache_path . 'supercache/' . preg_replace('/:.*$/', '', $_SERVER["HTTP_HOST"]); |
| 1141 | if( is_dir( $dir ) ) { |
| 1142 | prune_super_cache( $dir ); |
| 1143 | } elseif( is_dir( $dir . '.disabled' ) ) { |
| 1144 | prune_super_cache( $dir . '.disabled' ); |
| 1145 | } |
| 1146 | $_POST[ 'super_cache_stats' ] = 1; // regenerate super cache stats; |
| 1147 | } |
| 1148 | return wp_cache_phase2_clean_expired($file_prefix); |
| 1149 | } |
| 1150 | |
| 1151 | $expr = "/^$file_prefix/"; |
| 1152 | $now = time(); |
| 1153 | if ( ($handle = opendir( $cache_path )) ) { |
| 1154 | while ( false !== ($file = readdir($handle))) { |
| 1155 | if ( preg_match($expr, $file) && |
| 1156 | (filemtime($cache_path . $file) + $cache_max_time) <= $now) { |
| 1157 | unlink($cache_path . $file); |
| 1158 | unlink($cache_path . 'meta/' . str_replace( '.html', '.term', $file ) ); |
| 1159 | } |
| 1160 | } |
| 1161 | closedir($handle); |
| 1162 | } |
| 1163 | } |
| 1164 | |
| 1165 | function wpsc_remove_marker( $filename, $marker ) { |
| 1166 | if (!file_exists( $filename ) || is_writeable_ACLSafe( $filename ) ) { |
| 1167 | if (!file_exists( $filename ) ) { |
| 1168 | return ''; |
| 1169 | } else { |
| 1170 | $markerdata = explode( "\n", implode( '', file( $filename ) ) ); |
| 1171 | } |
| 1172 | |
| 1173 | $f = fopen( $filename, 'w' ); |
| 1174 | $foundit = false; |
| 1175 | if ( $markerdata ) { |
| 1176 | $state = true; |
| 1177 | foreach ( $markerdata as $n => $markerline ) { |
| 1178 | if (strpos($markerline, '# BEGIN ' . $marker) !== false) |
| 1179 | $state = false; |
| 1180 | if ( $state ) { |
| 1181 | if ( $n + 1 < count( $markerdata ) ) |
| 1182 | fwrite( $f, "{$markerline}\n" ); |
| 1183 | else |
| 1184 | fwrite( $f, "{$markerline}" ); |
| 1185 | } |
| 1186 | if (strpos($markerline, '# END ' . $marker) !== false) { |
| 1187 | $state = true; |
| 1188 | } |
| 1189 | } |
| 1190 | } |
| 1191 | return true; |
| 1192 | } else { |
| 1193 | return false; |
| 1194 | } |
| 1195 | } |
| 1196 | |
| 1197 | function wp_super_cache_footer() { |
| 1198 | ?><p id='supercache'><?php bloginfo('name'); ?> is Digg proof thanks to caching by <a href="http://ocaoimh.ie/wp-super-cache/">WP Super Cache</a>!</p><?php |
| 1199 | } |
| 1200 | if( isset( $wp_cache_hello_world ) && $wp_cache_hello_world ) |
| 1201 | add_action( 'wp_footer', 'wp_super_cache_footer' ); |
| 1202 | |
| 1203 | if( get_option( 'gzipcompression' ) ) |
| 1204 | update_option( 'gzipcompression', 0 ); |
| 1205 | |
| 1206 | // Catch 404 requests. Themes that use query_posts() destroy $wp_query->is_404 |
| 1207 | function wp_cache_catch_404() { |
| 1208 | global $wp_cache_404; |
| 1209 | $wp_cache_404 = false; |
| 1210 | if( is_404() ) |
| 1211 | $wp_cache_404 = true; |
| 1212 | } |
| 1213 | add_action( 'template_redirect', 'wp_cache_catch_404' ); |
| 1214 | |
| 1215 | ?> |
| 1216 |