library/smarty/internals/core.is_trusted.php

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