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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 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  ?>