1: <?php
  2: /* SVN FILE: $Id$ */
  3: /**
  4:  * Short description for file.
  5:  *
  6:  * Long description for file
  7:  *
  8:  * PHP versions 4 and 5
  9:  *
 10:  * CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
 11:  * Copyright 2005-2012, Cake Software Foundation, Inc. (http://cakefoundation.org)
 12:  *
 13:  * Licensed under The MIT License
 14:  * Redistributions of files must retain the above copyright notice.
 15:  *
 16:  * @copyright     Copyright 2005-2012, Cake Software Foundation, Inc. (http://cakefoundation.org)
 17:  * @link          http://cakephp.org CakePHP(tm) Project
 18:  * @package       cake
 19:  * @subpackage    cake.app.webroot
 20:  * @since         CakePHP(tm) v 0.2.9
 21:  * @version       $Revision$
 22:  * @modifiedby    $LastChangedBy$
 23:  * @lastmodified  $Date$
 24:  * @license       http://www.opensource.org/licenses/mit-license.php The MIT License
 25:  */
 26: if (!defined('CAKE_CORE_INCLUDE_PATH')) {
 27:     header('HTTP/1.1 404 Not Found');
 28:     exit('File Not Found');
 29: }
 30: /**
 31:  * Enter description here...
 32:  */
 33: if (!class_exists('File')) {
 34:     uses('file');
 35: }
 36: /**
 37:  * Enter description here...
 38:  *
 39:  * @param unknown_type $path
 40:  * @param unknown_type $name
 41:  * @return unknown
 42:  */
 43:     function make_clean_css($path, $name) {
 44:         App::import('Vendor', 'csspp' . DS . 'csspp');
 45:         $data = file_get_contents($path);
 46:         $csspp = new csspp();
 47:         $output = $csspp->compress($data);
 48:         $ratio = 100 - (round(strlen($output) / strlen($data), 3) * 100);
 49:         $output = " /* file: $name, ratio: $ratio% */ " . $output;
 50:         return $output;
 51:     }
 52: /**
 53:  * Enter description here...
 54:  *
 55:  * @param unknown_type $path
 56:  * @param unknown_type $content
 57:  * @return unknown
 58:  */
 59:     function write_css_cache($path, $content) {
 60:         if (!is_dir(dirname($path))) {
 61:             mkdir(dirname($path));
 62:         }
 63:         $cache = new File($path);
 64:         return $cache->write($content);
 65:     }
 66: 
 67:     if (preg_match('|\.\.|', $url) || !preg_match('|^ccss/(.+)$|i', $url, $regs)) {
 68:         exit('Wrong file name.');
 69:     }
 70: 
 71:     $filename = 'css/' . $regs[1];
 72:     $filepath = CSS . $regs[1];
 73:     $cachepath = CACHE . 'css' . DS . str_replace(array('/','\\'), '-', $regs[1]);
 74: 
 75:     if (!file_exists($filepath)) {
 76:         exit('Wrong file name.');
 77:     }
 78: 
 79:     if (file_exists($cachepath)) {
 80:         $templateModified = filemtime($filepath);
 81:         $cacheModified = filemtime($cachepath);
 82: 
 83:         if ($templateModified > $cacheModified) {
 84:             $output = make_clean_css($filepath, $filename);
 85:             write_css_cache($cachepath, $output);
 86:         } else {
 87:             $output = file_get_contents($cachepath);
 88:         }
 89:     } else {
 90:         $output = make_clean_css($filepath, $filename);
 91:         write_css_cache($cachepath, $output);
 92:         $templateModified = time();
 93:     }
 94: 
 95:     header("Date: " . date("D, j M Y G:i:s ", $templateModified) . 'GMT');
 96:     header("Content-Type: text/css");
 97:     header("Expires: " . gmdate("D, j M Y H:i:s", time() + DAY) . " GMT");
 98:     header("Cache-Control: max-age=86400, must-revalidate"); // HTTP/1.1
 99:     header("Pragma: cache");        // HTTP/1.0
100:     print $output;
101: ?>