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<?php
/**
* Validates ftp (File Transfer Protocol) URIs as defined by generic RFC 1738.
*/
class HTMLPurifier_URIScheme_ftp extends HTMLPurifier_URIScheme {
public $default_port = 21;
public $browsable = true; // usually
public $hierarchical = true;
public function doValidate(&$uri, $config, $context) {
$uri->query = null;
// typecode check
$semicolon_pos = strrpos($uri->path, ';'); // reverse
if ($semicolon_pos !== false) {
$type = substr($uri->path, $semicolon_pos + 1); // no semicolon
$uri->path = substr($uri->path, 0, $semicolon_pos);
$type_ret = '';
if (strpos($type, '=') !== false) {
// figure out whether or not the declaration is correct
list($key, $typecode) = explode('=', $type, 2);
if ($key !== 'type') {
// invalid key, tack it back on encoded
$uri->path .= '%3B' . $type;
} elseif ($typecode === 'a' || $typecode === 'i' || $typecode === 'd') {
$type_ret = ";type=$typecode";
}
} else {
$uri->path .= '%3B' . $type;
}
$uri->path = str_replace(';', '%3B', $uri->path);
$uri->path .= $type_ret;
}
return true;
}
}
// vim: et sw=4 sts=4
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