160 lines
4.9 KiB
PHP
160 lines
4.9 KiB
PHP
<?php
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/*
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Plugin Name: Staticize Reloaded
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Version: 2.5
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Plugin URI: http://www.cowpimp.com/archives/2004/06/08/staticize-plugin-for-wordpress/
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Description: Automatic Generation of static files. Cuts down on php and mysql usage. Should automatically update when changes are made to site. Original by <a href="http://www.cowpimp.com">Bill Zeller</a>.
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Author: Matt Mullenweg
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Author URI: http://photomatt.net/
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*/
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$http = false; // This controls whether we send etag and last-modified headers or not
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define(CACHE_PATH, trailingslashit( ABSPATH . 'wp-content/staticize-cache' ) );
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if ( !file_exists(CACHE_PATH) ) :
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if ( is_writable( dirname(CACHE_PATH) ) )
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$dir = mkdir( CACHE_PATH, 0777);
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else
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die("Your cache directory (<code>" . CACHE_PATH . "</code>) needs to be writable for this plugin to work. Double-check it. <a href='" . get_settings('siteurl') . "/wp-admin/plugins.php?action=deactivate&plugin=staticize-reloaded.php'>Deactivate the Staticize Reloaded plugin</a>.");
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endif;
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// Array of files that have 'wp-' but should still be cached
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$acceptableFiles = array(
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'wp-atom.php', 'wp-comments-popup.php', 'wp-commentsrss2.php',
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'wp-links-opml.php', 'wp-locations.php', 'wp-rdf.php',
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'wp-rss.php', 'wp-rss2.php'
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);
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$staticFileName = '';
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function StaticizeInit() {
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global $staticFileName, $acceptableFiles, $timestart, $http;
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$key = $_SERVER['REQUEST_URI'] . join($_COOKIE, ',');
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$script = basename($_SERVER['SCRIPT_NAME']);
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if( strstr($_SERVER['SCRIPT_NAME'], 'wp-') && !in_array($script, $acceptableFiles) )
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return;
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$staticFileName = md5($key) . '.php';
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if( is_file(CACHE_PATH . $staticFileName) ) {
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if ($http) staticize_header();
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include(CACHE_PATH . $staticFileName);
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$timetotal = staticize_timer();
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echo "\n<!-- Static Page Served in $timetotal seconds -->";
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exit;
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}
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ob_start('StaticizeCallback');
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register_shutdown_function('StaticizeEnd');
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}
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function StaticizeCallback($buffer) {
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global $staticFileName, $timestart;
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$timetotal = staticize_timer();
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if ($timetotal < 0.05) : // Too fast to cache
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$buffer .= "\n<!-- Page served in $timetotal seconds, too fast to cache :) -->";
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return $buffer;
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endif;
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$fr = fopen(CACHE_PATH . $staticFileName, 'a');
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chmod(CACHE_PATH . $staticFileName, 0666);
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if (!$fr)
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$buffer = "Couldn't write to: " . CACHE_PATH . $staticFileName;
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$buffer .= "\n<!-- Dynamic Page Served (once) in $timetotal seconds -->";
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$return = $buffer;
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$buffer = preg_replace('|<!--mclude (.*?)-->(.*?)<!--/mclude-->|is', '<?php include_once("' . ABSPATH . '$1"); ?>', $buffer);
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$buffer = preg_replace('|<!--mfunc (.*?)-->(.*?)<!--/mfunc-->|is', '<?php $1 ;?>', $buffer);
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$buffer = str_replace('<?xml', '<?php echo "<?xml" ;?>', $buffer);
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fwrite($fr, $buffer);
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fclose($fr);
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return $return;
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}
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function StaticizeClean() { // TODO: only touch files that have been changed using post ID
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if ( $handle = opendir( CACHE_PATH ) ) :
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while ( false !== ( $file = readdir($handle) ) ) :
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if ( '.' != $file && '..' != $file )
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unlink(CACHE_PATH . $file);
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endwhile;
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endif;
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closedir($handle);
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}
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function StaticizeEnd() {
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ob_end_clean();
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}
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function postChange($id) {
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StaticizeClean();
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return $id;
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}
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function staticize_timer() {
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global $timestart;
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$mtime = microtime();
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$mtime = explode(' ', $mtime);
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$timeend = $mtime[1] + $mtime[0];
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return number_format($timeend - $timestart, 3);
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}
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function staticize_header() {
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$file_touched = filemtime(CACHE_PATH . $staticFileName);
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$wp_last_modified = gmdate('D, d M Y H:i:s', $file_touched) . ' GMT';
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$wp_etag = '"'.md5($wp_last_modified).'"';
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header('Last-Modified: '.$wp_last_modified);
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header('ETag: '.$wp_etag);
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header ('X-Pingback: ' . get_settings('siteurl') . '/xmlrpc.php');
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header ('X-Staticize: ' . staticize_timer() );
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// Support for Conditional GET
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if (isset($_SERVER['HTTP_IF_MODIFIED_SINCE'])) $client_last_modified = $_SERVER['HTTP_IF_MODIFIED_SINCE'];
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else $client_last_modified = false;
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if (isset($_SERVER['HTTP_IF_NONE_MATCH'])) $client_etag = stripslashes($_SERVER['HTTP_IF_NONE_MATCH']);
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else $client_etag = false;
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if ( ($client_last_modified && $client_etag) ?
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(($client_last_modified == $wp_last_modified) && ($client_etag == $wp_etag)) :
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(($client_last_modified == $wp_last_modified) || ($client_etag == $wp_etag)) ) {
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if ( preg_match('/cgi/',php_sapi_name()) ) {
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header('HTTP/1.1 304 Not Modified');
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echo "\r\n\r\n";
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exit;
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} else {
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header('HTTP/1.x 304 Not Modified');
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exit;
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}
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}
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}
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if(function_exists('add_action')) {
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StaticizeInit();
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add_action('publish_post', 'postChange', 0);
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add_action('edit_post', 'postChange', 0);
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add_action('delete_post', 'postChange', 0);
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add_action('comment_post', 'postChange', 0);
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add_action('trackback_post', 'postChange', 0);
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add_action('pingback_post', 'postChange', 0);
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add_action('edit_comment', 'postChange', 0);
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add_action('delete_comment', 'postChange', 0);
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add_action('template_save', 'postChange', 0);
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}
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if ( isset($_GET['staticize-flush']) ) {
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StaticizeClean();
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}
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?>
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