Wszetko\Sitemap\Helpers\Url

Complexity

Total Complexity

13

Size/Duplication

Total Lines	53
Duplicated Lines	0 %

Importance

Changes	3
Bugs	1	Features	0

2 Methods

Rating	Name	Duplication	Size	Complexity
C	normalizeUrl()	0	31	12
A	checkDomain()	0	5	1

<?php
declare(strict_types=1);

namespace Wszetko\Sitemap\Helpers;

/**
 * Class Url
 *
 * @package Wszetko\Sitemap\Helpers
 */
class Url
{
    /**
     * @param string $url
     *
     * @return bool|string
     *
     * @see https://bugs.php.net/bug.php?id=52923
     * @see https://www.php.net/manual/en/function.parse-url.php#114817
     */
    public static function normalizeUrl(string $url)
    {
        $encodedUrl = preg_replace_callback(
            '%[^:/@?&=#]+%usD',
            function ($matches) {
                return urlencode($matches[0]);
            },
            $url
        );

        $url = parse_url($encodedUrl);

        if (empty($url) || !isset($url['host'])) {
            return false;
        }

        $url = array_map('urldecode', $url);
        $url['host'] = idn_to_ascii($url['host'], IDNA_DEFAULT, INTL_IDNA_VARIANT_UTS46);

        if (empty($url['scheme']) || !is_string($url['host']) || !self::checkDomain($url['host'])) {
            return false;
        }

        return
            $url['scheme'] . '://'
            . (isset($url['user']) ? $url['user'] . ((isset($url['pass'])) ? ':' . $url['pass'] : '') . '@' : '')
            . $url['host']
            . ((isset($url['port'])) ? ':' . $url['port'] : '')
            . ((isset($url['path'])) ? $url['path'] : '')
            . ((isset($url['query'])) ? '?' . $url['query'] : '')
            . ((isset($url['fragment'])) ? '#' . $url['fragment'] : '');
    }

    /**
     * @param string $domain
     *
     * @return bool
     */
    public static function checkDomain(string $domain): bool
    {
        $domain = idn_to_ascii($domain, IDNA_DEFAULT, INTL_IDNA_VARIANT_UTS46);

        return (bool)filter_var($domain, FILTER_VALIDATE_DOMAIN, FILTER_FLAG_HOSTNAME);
    }
}