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