source: branches/rel/data/module/Smarty/libs/internals/core.is_trusted.php @ 12157

Revision 12157, 1.3 KB checked in by uehara, 17 years ago (diff)
Line 
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, $resource_name
17
18function smarty_core_is_trusted($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?>
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