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