/usr/share/php/HTMLPurifier/URIScheme/ftp.php is in php-htmlpurifier 4.6.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 | <?php
/**
* Validates ftp (File Transfer Protocol) URIs as defined by generic RFC 1738.
*/
class HTMLPurifier_URIScheme_ftp extends HTMLPurifier_URIScheme
{
/**
* @type int
*/
public $default_port = 21;
/**
* @type bool
*/
public $browsable = true; // usually
/**
* @type bool
*/
public $hierarchical = true;
/**
* @param HTMLPurifier_URI $uri
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool
*/
public function doValidate(&$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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