lib/smarty/internals/core.get_php_resource.php

   1 <?php
   2 /**
   3  * Smarty plugin
   4  * @package Smarty
   5  * @subpackage plugins
   6  */
   7
   8 /**
   9  * Retrieves PHP script resource
  10  *
  11  * sets $php_resource to the returned resource
  12  * @param string $resource
  13  * @param string $resource_type
  14  * @param  $php_resource
  15  * @return boolean
  16  */
  17
  18 function smarty_core_get_php_resource(&$params, &$smarty)
  19 {
  20
  21     $params['resource_base_path'] = $smarty->trusted_dir;
  22     $smarty->_parse_resource_name($params, $smarty);
  23
  24     /*
  25      * Find out if the resource exists.
  26      */
  27
  28     if ($params['resource_type'] == 'file') {
  29         $_readable = false;
  30         if(file_exists($params['resource_name']) && is_readable($params['resource_name'])) {
  31             $_readable = true;
  32         } else {
  33             // test for file in include_path
  34             $_params = array('file_path' => $params['resource_name']);
  35             require_once(SMARTY_CORE_DIR . 'core.get_include_path.php');
  36             if(smarty_core_get_include_path($_params, $smarty)) {
  37                 $_include_path = $_params['new_file_path'];
  38                 $_readable = true;
  39             }
  40         }
  41     } else if ($params['resource_type'] != 'file') {
  42         $_template_source = null;
  43         $_readable = is_callable($smarty->_plugins['resource'][$params['resource_type']][0][0])
  44             && call_user_func_array($smarty->_plugins['resource'][$params['resource_type']][0][0],
  45                                     array($params['resource_name'], &$_template_source, &$smarty));
  46     }
  47
  48     /*
  49      * Set the error function, depending on which class calls us.
  50      */
  51     if (method_exists($smarty, '_syntax_error')) {
  52         $_error_funcc = '_syntax_error';
  53     } else {
  54         $_error_funcc = 'trigger_error';
  55     }
  56
  57     if ($_readable) {
  58         if ($smarty->security) {
  59             require_once(SMARTY_CORE_DIR . 'core.is_trusted.php');
  60             if (!smarty_core_is_trusted($params, $smarty)) {
  61                 $smarty->$_error_funcc('(secure mode) ' . $params['resource_type'] . ':' . $params['resource_name'] . ' is not trusted');
  62                 return false;
  63             }
  64         }
  65     } else {
  66         $smarty->$_error_funcc($params['resource_type'] . ':' . $params['resource_name'] . ' is not readable');
  67         return false;
  68     }
  69
  70     if ($params['resource_type'] == 'file') {
  71         $params['php_resource'] = $params['resource_name'];
  72     } else {
  73         $params['php_resource'] = $_template_source;
  74     }
  75     return true;
  76 }
  77
  78 /* vim: set expandtab: */
  79
  80 ?>