crm.fsf.org/20131203/files/sites/all/modules-new/civicrm/packages/kcfinder/core/class/minifier.php

   1 <?php
   2
   3 /** This file is part of KCFinder project
   4   *
   5   *      @desc Minify JS & CSS
   6   *   @package KCFinder
   7   *   @version 3.12
   8   *    @author Pavel Tzonkov <sunhater@sunhater.com>
   9   * @copyright 2010-2014 KCFinder Project
  10   *   @license http://opensource.org/licenses/GPL-3.0 GPLv3
  11   *   @license http://opensource.org/licenses/LGPL-3.0 LGPLv3
  12   *      @link http://kcfinder.sunhater.com
  13   */
  14
  15 namespace kcfinder;
  16
  17 class minifier {
  18
  19     protected $config;
  20     protected $type = "js";
  21     protected $minCmd = "";
  22     protected $mime = array(
  23         'js' => "text/javascript",
  24         'css' => "text/css"
  25     );
  26
  27     public function __construct($type=null) {
  28         require "conf/config.php";
  29         $this->config = $_CONFIG;
  30         $type = strtolower($type);
  31         if (isset($this->mime[$type]))
  32             $this->type = $type;
  33         if (isset($_CONFIG["_{$this->type}MinCmd"]))
  34             $this->minCmd = $_CONFIG["_{$this->type}MinCmd"];
  35     }
  36
  37     public function minify($cacheFile=null, $dir=null) {
  38         if ($dir === null)
  39             $dir = dirname($_SERVER['SCRIPT_FILENAME']);
  40
  41         // MODIFICATION TIME FILES
  42         $mtFiles = array(
  43             __FILE__,
  44             $_SERVER['SCRIPT_FILENAME'],
  45             "conf/config.php"
  46         );
  47
  48         // GET SOURCE CODE FILES
  49         $files = dir::content($dir, array(
  50             'types' => "file",
  51             'pattern' => '/^.*\.' . $this->type . '$/'
  52         ));
  53
  54         // GET NEWEST MODIFICATION TIME
  55         $mtime = 0;
  56         foreach (array_merge($mtFiles, $files) as $file) {
  57             $fmtime = filemtime($file);
  58             if ($fmtime > $mtime)
  59                 $mtime = $fmtime;
  60         }
  61
  62         $header = "Content-Type: {$this->mime[$this->type]}";
  63
  64         // GET SOURCE CODE FROM CLIENT HTTP CACHE IF EXISTS
  65         httpCache::checkMTime($mtime, $header);
  66
  67         // OUTPUT SOURCE CODE
  68         header($header);
  69
  70         // GET SOURCE CODE FROM SERVER-SIDE CACHE
  71         if (($cacheFile !== null) &&
  72             file_exists($cacheFile) &&
  73             (
  74                 (filemtime($cacheFile) >= $mtime) ||
  75                 !is_writable($cacheFile)                // if cache file cannot be modified
  76             )                                           // the script will output it always
  77         ) {                                             // with its distribution content
  78             readfile($cacheFile);
  79             die;
  80         }
  81
  82         // MINIFY AND JOIN SOURCE CODE
  83         $source = "";
  84         foreach ($files as $file) {
  85
  86             if (strlen($this->minCmd) && (substr($file, 4, 1) != "_")) {
  87                 $cmd = str_replace("{file}", $file, $this->minCmd);
  88                 $source .= `$cmd`;
  89
  90             } else
  91                 $source .= file_get_contents($file);
  92         }
  93
  94         // UPDATE SERVER-SIDE CACHE
  95         if (($cacheFile !== null) &&
  96             (
  97                 is_writable($cacheFile) ||
  98                 (
  99                     !file_exists($cacheFile) &&
 100                     dir::isWritable(dirname($cacheFile))
 101                 )
 102             )
 103         ) {
 104             file_put_contents($cacheFile, $source);
 105             touch($cacheFile, $mtime);
 106         }
 107
 108         // OUTPUT SOURCE CODE
 109         echo $source;
 110
 111     }
 112 }
 113
 114 ?>