[Sommaire] [Imprimer]

   1  <?php
   2  /**
   3  * @version $Id: common.php 4677 2006-08-23 16:55:24Z stingrey $
   4  * @package Joomla
   5  * @copyright Copyright (C) 2005 Open Source Matters. All rights reserved.
   6  * @license http://www.gnu.org/copyleft/gpl.html GNU/GPL, see LICENSE.php
   7  * Joomla! is free software. This version may have been modified pursuant
   8  * to the GNU General Public License, and as distributed it includes or
   9  * is derivative of works licensed under the GNU General Public License or
  10  * other free or open source software licenses.
  11  * See COPYRIGHT.php for copyright notices and details.
  12  */
  13  
  14  // no direct access
  15  defined( '_VALID_MOS' ) or die( 'Restricted access' );
  16  
  17  error_reporting( E_ALL );
  18  
  19  header ("Cache-Control: no-cache, must-revalidate");    // HTTP/1.1
  20  header ("Pragma: no-cache");    // HTTP/1.0
  21  
  22  /**
  23  * Utility function to return a value from a named array or a specified default
  24  */
  25  define( "_MOS_NOTRIM", 0x0001 );
  26  define( "_MOS_ALLOWHTML", 0x0002 );
  27  function mosGetParam( &$arr, $name, $def=null, $mask=0 ) {
  28      $return = null;
  29      if (isset( $arr[$name] )) {
  30          if (is_string( $arr[$name] )) {
  31              if (!($mask&_MOS_NOTRIM)) {
  32                  $arr[$name] = trim( $arr[$name] );
  33              }
  34              if (!($mask&_MOS_ALLOWHTML)) {
  35                  $arr[$name] = strip_tags( $arr[$name] );
  36              }
  37              if (!get_magic_quotes_gpc()) {
  38                  $arr[$name] = addslashes( $arr[$name] );
  39              }
  40          }
  41          return $arr[$name];
  42      } else {
  43          return $def;
  44      }
  45  }
  46  
  47  function mosMakePassword($length) {
  48      $salt = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
  49      $len = strlen($salt);
  50      $makepass="";
  51      mt_srand(10000000*(double)microtime());
  52      for ($i = 0; $i < $length; $i++)
  53      $makepass .= $salt[mt_rand(0,$len - 1)];
  54      return $makepass;
  55  }
  56  
  57  /**
  58  * Chmods files and directories recursivel to given permissions
  59  * @param path The starting file or directory (no trailing slash)
  60  * @param filemode Integer value to chmod files. NULL = dont chmod files.
  61  * @param dirmode Integer value to chmod directories. NULL = dont chmod directories.
  62  * @return TRUE=all succeeded FALSE=one or more chmods failed
  63  */
  64  function mosChmodRecursive($path, $filemode=NULL, $dirmode=NULL)
  65  {
  66      $ret = TRUE;
  67      if (is_dir($path)) {
  68          $dh = opendir($path);
  69          while ($file = readdir($dh)) {
  70              if ($file != '.' && $file != '..') {
  71                  $fullpath = $path.'/'.$file;
  72                  if (is_dir($fullpath)) {
  73                      if (!mosChmodRecursive($fullpath, $filemode, $dirmode))
  74                          $ret = FALSE;
  75                  } else {
  76                      if (isset($filemode))
  77                          if (!@chmod($fullpath, $filemode))
  78                              $ret = FALSE;
  79                  } // if
  80              } // if
  81          } // while
  82          closedir($dh);
  83          if (isset($dirmode))
  84              if (!@chmod($path, $dirmode))
  85                  $ret = FALSE;
  86      } else {
  87          if (isset($filemode))
  88              $ret = @chmod($path, $filemode);
  89      } // if
  90      return $ret;
  91  } // mosChmodRecursive
  92  
  93  ?>