<?php

namespace WPDT;

/**
 * Validates ftp (File Transfer Protocol) URIs as defined by generic RFC 1738.
 */
class HTMLPurifier_URIScheme_ftp extends \WPDT\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
