4 * Validates ftp (File Transfer Protocol) URIs as defined by generic RFC 1738.
6 class HTMLPurifier_URIScheme_ftp
extends HTMLPurifier_URIScheme
11 public $default_port = 21;
16 public $browsable = true; // usually
21 public $hierarchical = true;
24 * @param HTMLPurifier_URI $uri
25 * @param HTMLPurifier_Config $config
26 * @param HTMLPurifier_Context $context
29 public function doValidate(&$uri, $config, $context)
34 $semicolon_pos = strrpos($uri->path
, ';'); // reverse
35 if ($semicolon_pos !== false) {
36 $type = substr($uri->path
, $semicolon_pos +
1); // no semicolon
37 $uri->path
= substr($uri->path
, 0, $semicolon_pos);
39 if (strpos($type, '=') !== false) {
40 // figure out whether or not the declaration is correct
41 list($key, $typecode) = explode('=', $type, 2);
42 if ($key !== 'type') {
43 // invalid key, tack it back on encoded
44 $uri->path
.= '%3B' . $type;
45 } elseif ($typecode === 'a' || $typecode === 'i' || $typecode === 'd') {
46 $type_ret = ";type=$typecode";
49 $uri->path .= '%3B' . $type;
51 $uri->path = str_replace(';', '%3B', $uri->path);
52 $uri->path .= $type_ret;