mirror of
https://github.com/ezyang/htmlpurifier.git
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7e6a3fc990
git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@471 48356398-32a2-884e-a903-53898d9a118a
44 lines
1.5 KiB
PHP
44 lines
1.5 KiB
PHP
<?php
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require_once 'HTMLPurifier/URIScheme.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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var $default_port = 21;
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function validateComponents(
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$userinfo, $host, $port, $path, $query, $config
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) {
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list($userinfo, $host, $port, $path, $query) =
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parent::validateComponents(
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$userinfo, $host, $port, $path, $query, $config );
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$semicolon_pos = strrpos($path, ';'); // reverse
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if ($semicolon_pos !== false) {
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// typecode check
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$type = substr($path, $semicolon_pos + 1); // no semicolon
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$path = substr($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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$path .= '%3B' . $type;
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} elseif ($typecode === 'a' || $typecode === 'i' || $typecode === 'd') {
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$type_ret = ";type=$typecode";
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}
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} else {
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$path .= '%3B' . $type;
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}
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$path = str_replace(';', '%3B', $path);
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$path .= $type_ret;
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}
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return array($userinfo, $host, $port, $path, null);
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}
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}
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?>
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