lib/smarty/core/core.is_trusted.php

   1 <?php
   2 /**
   3  * Smarty plugin
   4  * @package Smarty
   5  * @subpackage plugins
   6  */
   7
   8 /**#@+
   9  * @access private
  10  */
  11 /**
  12  * determines if a resource is trusted or not
  13  *
  14  * @param string $resource_type
  15  * @param string $resource_name
  16  * @return boolean
  17  */
  18
  19  // $resource_type, $resource_name
  20
  21 function smarty_core_is_trusted($params, &$smarty)
  22 {
  23     $_smarty_trusted = false;
  24     if ($params['resource_type'] == 'file') {
  25         if (!empty($smarty->trusted_dir)) {
  26             $_rp = realpath($params['resource_name']);
  27             foreach ((array)$smarty->trusted_dir as $curr_dir) {
  28                 if (!empty($curr_dir) && is_readable ($curr_dir)) {
  29                     $_cd = realpath($curr_dir);
  30                     if (strncmp($_rp, $_cd, strlen($_cd)) == 0
  31                         && $_rp{strlen($_cd)} == DIRECTORY_SEPARATOR ) {
  32                         $_smarty_trusted = true;
  33                         break;
  34                     }
  35                 }
  36             }
  37         }
  38
  39     } else {
  40         // resource is not on local file system
  41         $_smarty_trusted = call_user_func_array($smarty->_plugins['resource'][$params['resource_type']][0][3],
  42                                                 array($params['resource_name'], $smarty));
  43     }
  44
  45     return $_smarty_trusted;
  46 }
  47
  48 /* vim: set expandtab: */
  49
  50 ?>