97 lines
2.6 KiB
PHP
97 lines
2.6 KiB
PHP
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<?php
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/**
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* CSS helping functions
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*
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* PHP versions 4 and 5
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*
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* CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
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* Copyright 2005-2010, Cake Software Foundation, Inc. (http://cakefoundation.org)
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*
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* Licensed under The MIT License
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* Redistributions of files must retain the above copyright notice.
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*
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* @copyright Copyright 2005-2010, Cake Software Foundation, Inc. (http://cakefoundation.org)
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* @link http://cakephp.org CakePHP(tm) Project
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* @package cake
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* @subpackage cake.app.webroot
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* @since CakePHP(tm) v 0.2.9
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* @license MIT License (http://www.opensource.org/licenses/mit-license.php)
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*/
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if (!defined('CAKE_CORE_INCLUDE_PATH')) {
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header('HTTP/1.1 404 Not Found');
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exit('File Not Found');
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}
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/**
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* Ensure required classes are available.
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*/
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if (!class_exists('File')) {
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uses('file');
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}
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/**
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* Make clean CSS
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*
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* @param unknown_type $path
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* @param unknown_type $name
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* @return unknown
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*/
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function make_clean_css($path, $name) {
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App::import('Vendor', 'csspp' . DS . 'csspp');
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$data = file_get_contents($path);
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$csspp = new csspp();
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$output = $csspp->compress($data);
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$ratio = 100 - (round(strlen($output) / strlen($data), 3) * 100);
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$output = " /* file: $name, ratio: $ratio% */ " . $output;
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return $output;
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}
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/**
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* Write CSS cache
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*
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* @param unknown_type $path
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* @param unknown_type $content
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* @return unknown
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*/
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function write_css_cache($path, $content) {
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if (!is_dir(dirname($path))) {
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mkdir(dirname($path));
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}
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$cache = new File($path);
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return $cache->write($content);
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}
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if (preg_match('|\.\.|', $url) || !preg_match('|^ccss/(.+)$|i', $url, $regs)) {
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die('Wrong file name.');
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}
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$filename = 'css/' . $regs[1];
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$filepath = CSS . $regs[1];
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$cachepath = CACHE . 'css' . DS . str_replace(array('/','\\'), '-', $regs[1]);
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if (!file_exists($filepath)) {
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die('Wrong file name.');
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}
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if (file_exists($cachepath)) {
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$templateModified = filemtime($filepath);
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$cacheModified = filemtime($cachepath);
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if ($templateModified > $cacheModified) {
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$output = make_clean_css($filepath, $filename);
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write_css_cache($cachepath, $output);
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} else {
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$output = file_get_contents($cachepath);
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}
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} else {
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$output = make_clean_css($filepath, $filename);
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write_css_cache($cachepath, $output);
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$templateModified = time();
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}
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header("Date: " . date("D, j M Y G:i:s ", $templateModified) . 'GMT');
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header("Content-Type: text/css");
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header("Expires: " . gmdate("D, d M Y H:i:s", time() + DAY) . " GMT");
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header("Cache-Control: max-age=86400, must-revalidate"); // HTTP/1.1
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header("Pragma: cache"); // HTTP/1.0
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print $output;
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