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File Content: `SnapURL.php`

<?php

/**
 *
 * @package   Duplicator
 * @copyright (c) 2022, Snap Creek LLC
 */

namespace Duplicator\Libs\Snap;

class SnapURL
{
    /** @var array<string, scalar> */
    protected static $DEF_ARRAY_PARSE_URL = array(
        'scheme'   => false,
        'host'     => false,
        'port'     => false,
        'user'     => false,
        'pass'     => false,
        'path'     => '',
        'query'    => false,
        'fragment' => false
    );

    /**
     * Append a new query value to the end of a URL
     *
     * @param string  $url   The URL to append the new value to
     * @param string  $key   The new key name
     * @param ?scalar $value The new key name value
     *
     * @return string Returns the new URL with with the query string name and value
     */
    public static function appendQueryValue($url, $key, $value)
    {
        $separator    = (parse_url($url, PHP_URL_QUERY) == null) ? '?' : '&';
        $modified_url = $url . "$separator$key=" . $value;

        return $modified_url;
    }

    /**
     * Add www. in url if don't have
     *
     * @param string $url input URL
     *
     * @return string
     */
    public static function wwwAdd($url)
    {
        return preg_replace('/^((?:\w+\:)?\/\/)?(?!www\.)(.+)/', '$1www.$2', $url);
    }

    /**
     * Remove www. in url if don't have
     *
     * @param string $url input URL
     *
     * @return string
     */
    public static function wwwRemove($url)
    {
        return preg_replace('/^((?:\w+\:)?\/\/)?www\.(.+)/', '$1$2', $url);
    }

    /**
     * Fetches current URL via PHP
     *
     * @param bool    $queryString       If true the query string will also be returned.
     * @param boolean $requestUri        If true check REQUEST_URI else  SCRIPT_NAME
     * @param int     $getParentDirLevel If 0 get current script name or parent folder, if 1 parent folder if 2 parent of parent folder ...
     *
     * @return string The current page url
     */
    public static function getCurrentUrl($queryString = true, $requestUri = false, $getParentDirLevel = 0)
    {
        // *** HOST
        if (isset($_SERVER['HTTP_X_ORIGINAL_HOST'])) {
            $host = $_SERVER['HTTP_X_ORIGINAL_HOST'];
        } else {
            $host = isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : $_SERVER['SERVER_NAME']; //WAS SERVER_NAME and caused problems on some boxes
        }

        // *** PROTOCOL
        if (isset($_SERVER['HTTP_X_FORWARDED_PROTO']) && $_SERVER['HTTP_X_FORWARDED_PROTO'] === 'https') {
            $_SERVER ['HTTPS'] = 'on';
        }
        if (isset($_SERVER['HTTP_X_FORWARDED_SSL']) && $_SERVER['HTTP_X_FORWARDED_SSL'] === 'https') {
            $_SERVER ['HTTPS'] = 'on';
        }
        if (isset($_SERVER['HTTP_CF_VISITOR'])) {
            $visitor = json_decode($_SERVER['HTTP_CF_VISITOR']);
            if (is_object($visitor) && property_exists($visitor, 'scheme') && $visitor->scheme == 'https') {
                $_SERVER ['HTTPS'] = 'on';
            }
        }
        $protocol = 'http' . ((isset($_SERVER['HTTPS']) && strtolower($_SERVER['HTTPS']) === 'on') ? 's' : '');

        if ($requestUri) {
            $serverUrlSelf = preg_replace('/\?.*$/', '', $_SERVER['REQUEST_URI']);
        } else {
            // *** SCRIPT NAME
            $serverUrlSelf = $_SERVER['SCRIPT_NAME'];
            for ($i = 0; $i < $getParentDirLevel; $i++) {
                $serverUrlSelf = preg_match('/^[\\\\\/]?$/', dirname($serverUrlSelf)) ? '' : dirname($serverUrlSelf);
            }
        }

        // *** QUERY STRING
        $query = ($queryString && isset($_SERVER['QUERY_STRING']) && strlen($_SERVER['QUERY_STRING']) > 0 ) ? '?' . $_SERVER['QUERY_STRING'] : '';

        return $protocol . '://' . $host . $serverUrlSelf . $query;
    }

    /**
     * Get current query string data array
     *
     * @return string[]
     */
    public static function getCurrentQueryURLdata()
    {
        $result = array();
        if (!isset($_SERVER['QUERY_STRING']) || strlen($_SERVER['QUERY_STRING']) == 0) {
            return $result;
        }

        parse_str($_SERVER['QUERY_STRING'], $result);

        return $result;
    }

    /**
     * this function is a native PHP parse_url wrapper
     * this function returns an associative array with all the keys present and the values = false if they do not exist.
     *
     * @param string $url       <p>The URL to parse. Invalid characters are replaced by <i>_</i>.</p>
     * @param int    $component if != 1 return specific URL component
     *
     * @return mixed[]|string|int|null|false <p>On seriously malformed URLs, <b>parse_url()</b> may return <b><code>FALSE</code></b>.</p>
     *               <p>If the <code>component</code> parameter is omitted, an associative <code>array</code> is returned.
     *               At least one element will be present within the array. Potential keys within this array are:</p>
     *               <ul>
     *                   <li>  scheme - e.g. http  </li>
     *                   <li>  host  </li>
     *                   <li>  port  </li>
     *                   <li>  user  </li>
     *                   <li>  pass  </li>
     *                   <li>  path  </li>
     *                   <li>  query - after the question mark <i>&#63;</i>  </li>
     *                   <li>  fragment - after the hashmark <i>#</i>  </li>
     *                </ul>
     *                <p>If the <code>component</code> parameter is specified,
     *                <b>parse_url()</b> returns a <code>string</code> (or an <code>integer</code>,
     *                in the case of <b><code>PHP_URL_PORT</code></b>) instead of an <code>array</code>.
     *                If the requested component doesn't exist within the given URL, <b><code>NULL</code></b> will be returned.</p>
     */
    public static function parseUrl($url, $component = -1)
    {
        if (preg_match('/^([a-zA-Z0-9]+\:)?\/\//', $url) !== 1) {
            // fix invalid URL for only host string ex. 'myhost.com'
            $url = '//' . $url;
        }

        $result = parse_url($url, $component);
        if (is_array($result)) {
            $result = array_merge(self::$DEF_ARRAY_PARSE_URL, $result);
        }

        return $result;
    }

    /**
     * Remove scheme from URL
     *
     * @param string $url       source url
     * @param bool   $removeWww if true remove www
     *
     * @return string
     */
    public static function removeScheme($url, $removeWww = false)
    {
        $parts = self::parseUrl($url);
        unset($parts['scheme']);
        $result = self::buildUrl($parts);
        if ($removeWww) {
            $result = self::wwwRemove($result);
        }
        return ltrim($result, '/');
    }

    /**
     * this function build a url from array result of parse url.
     * if work with both parse_url native function result and snap parseUrl result
     *
     * @param array<string, mixed> $parts url parts from parseUrl
     *
     * @return bool|string return false if param isn't array
     */
    public static function buildUrl($parts)
    {
        if (!is_array($parts)) {
            return false;
        }

        $result  = '';
        $result .= (isset($parts['scheme']) && $parts['scheme'] !== false) ? $parts['scheme'] . ':' : '';
        $result .= (
            (isset($parts['user']) && $parts['user'] !== false) ||
            (isset($parts['host']) && $parts['host'] !== false)) ? '//' : '';

        $result .= (isset($parts['user']) && $parts['user'] !== false) ? $parts['user'] : '';
        $result .= (isset($parts['pass']) && $parts['pass'] !== false) ? ':' . $parts['pass'] : '';
        $result .= (isset($parts['user']) && $parts['user'] !== false) ? '@' : '';

        $result .= (isset($parts['host']) && $parts['host'] !== false) ? $parts['host'] : '';
        $result .= (isset($parts['port']) && $parts['port'] !== false) ? ':' . $parts['port'] : '';

        $result .= (isset($parts['path']) && $parts['path'] !== false) ? $parts['path'] : '';
        $result .= (isset($parts['query']) && $parts['query'] !== false) ? '?' . $parts['query'] : '';
        $result .= (isset($parts['fragment']) && $parts['fragment'] !== false) ? '#' . $parts['fragment'] : '';

        return $result;
    }

    /**
     * Encode alla chars
     *
     * @param string $url input URL
     *
     * @return string
     */
    public static function urlEncodeAll($url)
    {
        $hex = unpack('H*', urldecode($url));
        return preg_replace('~..~', '%$0', strtoupper($hex[1]));
    }
}
Name	Size	Permission
JsonSerialize	---	0755
FunctionalityCheck.php	3842 bytes	0644
JsonSerializable.php	581 bytes	0644
Snap32BitSizeLimitException.php	173 bytes	0644
SnapCode.php	1906 bytes	0644
SnapDB.php	25544 bytes	0644
SnapIO.php	57225 bytes	0644
SnapJson.php	9720 bytes	0644
SnapLog.php	6236 bytes	0644
SnapOS.php	833 bytes	0644
SnapOrigFileManager.php	11469 bytes	0644
SnapString.php	5021 bytes	0644
SnapURL.php	8589 bytes	0644
SnapUtil.php	34521 bytes	0644
SnapWP.php	32444 bytes	0644
index.php	16 bytes	0644
wordpress_core_files.php	184613 bytes	0644
File Content: SnapURL.php

File Content: `SnapURL.php`
