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   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  ?>