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:  ?>