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<?php
/**
* @package OSMap
* @contact www.joomlashack.com, help@joomlashack.com
* @copyright 2007-2014 XMap - Joomla! Vargas - Guillermo Vargas. All rights reserved.
* @copyright 2016-2021 Joomlashack.com. All rights reserved.
* @license https://www.gnu.org/licenses/gpl.html GNU/GPL
*
* This file is part of OSMap.
*
* OSMap is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* OSMap is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with OSMap. If not, see <https://www.gnu.org/licenses/>.
*/
namespace Alledia\OSMap;
use Joomla\CMS\Router\Route;
use Joomla\CMS\Uri\Uri;
defined('_JEXEC') or die();
class Router
{
/**
* Route the given URL using the site application. If in admin, the result
* needs to be the same as the frontend.
*
* @param string $url
* @param bool $absolute
*
* @return string
*/
public function routeURL(string $url, bool $absolute = false): string
{
if ((strpos($url, '&') !== 0) && (strpos($url, 'index.php') !== 0)) {
// Not a routable URL
return $url;
}
if ($absolute) {
return Route::link('site', $url, true, Route::TLS_IGNORE, true);
}
return Route::link('site', $url);
}
/**
* Checks if the supplied URL is internal
*
* @param ?string $url
*
* @return bool
*/
public function isInternalURL(?string $url): bool
{
if ($url) {
$uri = Uri::getInstance($url);
$base = $uri->toString(['scheme', 'host', 'port', 'path']);
$host = $uri->toString(['scheme', 'host', 'port']);
$path = $uri->toString(['path']);
$baseHost = Uri::getInstance($uri::root())->toString(['host']);
if ($path === $url) {
return true;
} elseif (empty($host) && strpos($path, 'index.php') === 0
|| !empty($host) && preg_match('#' . preg_quote($uri::root(), '#') . '#', $base)
|| !empty($host) && $host === $baseHost && strpos($path, 'index.php') !== false
|| !empty($host) && $base === $host
&& preg_match('#' . preg_quote($base, '#') . '#', $uri::root())
) {
return true;
}
}
return false;
}
/**
* Check if the given URL is a relative URI. Returns true, if affirmative.
*
* @param ?string $url
*
* @return bool
*/
public function isRelativeUri(?string $url): bool
{
if ($url) {
$urlPath = (new Uri($url))->toString(['path']);
return $urlPath === $url;
}
return false;
}
/**
* Converts an internal relative URI into a full link.
*
* @param string $path
*
* @return string
*/
public function convertRelativeUriToFullUri(string $path): string
{
if ($path[0] == '/') {
$scheme = ['scheme', 'user', 'pass', 'host', 'port'];
$path = Uri::getInstance()->toString($scheme) . $path;
} elseif ($this->isRelativeUri($path)) {
$path = Uri::root() . $path;
}
return $path;
}
/**
* Returns a sanitized URL, removing double slashes and trailing slash.
*
* @param ?string $url
*
* @return ?string
*/
public function sanitizeURL(?string $url): ?string
{
if ($url) {
return preg_replace('#([^:])(/{2,})#', '$1/', $url);
}
return null;
}
/**
* Returns a URL without the hash
*
* @param ?string $url
*
* @return ?string
*/
public function removeHashFromURL(?string $url): ?string
{
if ($url) {
// Check if the URL has a hash to remove it (XML sitemap shouldn't have hash on the URL)
$hashPos = strpos($url, '#');
if ($hashPos !== false) {
// Remove the hash
$url = substr($url, 0, $hashPos);
}
return trim($url);
}
return null;
}
/**
* Create a consistent url hash regardless of scheme or site root.
*
* @param ?string $url
*
* @return string
*/
public function createUrlHash(?string $url): string
{
return md5(str_replace(Uri::root(), '', (string)$url));
}
}