lib/smarty/core/core.is_secure.php

   1 <?php
   2 /**
   3  * Smarty plugin
   4  * @package Smarty
   5  * @subpackage plugins
   6  */
   7
   8 /**
   9  * determines if a resource is secure or not.
  10  *
  11  * @param string $resource_type
  12  * @param string $resource_name
  13  * @return boolean
  14  */
  15
  16 //  $resource_type, $resource_name
  17
  18 function smarty_core_is_secure($params, &$smarty)
  19 {
  20     static $check_template_dir = true;
  21
  22     if (!$smarty->security || $smarty->security_settings['INCLUDE_ANY']) {
  23         return true;
  24     }
  25
  26     $_smarty_secure = false;
  27     if ($params['resource_type'] == 'file') {
  28         if($check_template_dir) {
  29             if (!in_array($smarty->template_dir, $smarty->secure_dir))
  30                 // add template_dir to secure_dir array
  31                 array_unshift($smarty->secure_dir, $smarty->template_dir);
  32             $check_template_dir = false;
  33         }
  34         if (!empty($smarty->secure_dir)) {
  35             $_rp = realpath($params['resource_name']);
  36             foreach ((array)$smarty->secure_dir as $curr_dir) {
  37                 if ( !empty($curr_dir) && is_readable ($curr_dir)) {
  38                     $_cd = realpath($curr_dir);
  39                     if (strncmp($_rp, $_cd, strlen($_cd)) == 0
  40                         && $_rp{strlen($_cd)} == DIRECTORY_SEPARATOR ) {
  41                         $_smarty_secure = true;
  42                         break;
  43                     }
  44                 }
  45             }
  46         }
  47     } else {
  48         // resource is not on local file system
  49         $_smarty_secure = call_user_func_array(
  50             $smarty->_plugins['resource'][$params['resource_type']][0][2],
  51             array($params['resource_name'], &$_smarty_secure, &$smarty));
  52     }
  53
  54     return $_smarty_secure;
  55 }
  56
  57 /* vim: set expandtab: */
  58
  59 ?>