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<?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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