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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\Application\CMSApplication;
use Joomla\CMS\Uri\Uri;
defined('_JEXEC') or die();
class Router
{
/**
* @var object
*/
protected $joomlaRouter;
/**
* Route the given URL using the site application. If in admin, the result
* needs to be the same as the frontend. Replicates partially the native
* Route::_ method, but forcing to use the frontend routes. Required to
* allow see correct routed URLs in the admin while editing a sitemap.
*
* @param string $url
*
* @return string
* @throws \Exception
*/
public function routeURL($url)
{
if (!$this->joomlaRouter) {
// Avoid caching to get the router
$app = CMSApplication::getInstance('site');
$this->joomlaRouter = $app::getRouter('site');
// Make sure that we have our router
if (!$this->joomlaRouter) {
return null;
}
}
if (is_string($url) && (strpos($url, '&') !== 0) && (strpos($url, 'index.php') !== 0)) {
return $url;
}
// Build route
$scheme = ['path', 'query', 'fragment'];
$uri = $this->joomlaRouter->build($url);
$url = $uri->toString($scheme);
// Replace spaces.
$url = preg_replace('/\s/u', '%20', $url);
// Remove application subpaths (typically /administrator)
$adminPath = str_replace(Uri::root(), '', Uri::base());
return str_replace($adminPath, '', $url);
}
/**
* Checks if the supplied URL is internal
*
* @param string $url
*
* @return boolean
*
* @return bool
* @throws \Exception
*/
public function isInternalURL($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, '#') . '#', $uri::root())
) {
return true;
}
return false;
}
/**
* Returns the result of JUri::base() from the site used in the sitemap.
* This is better than the JUri::base() because when we are editing a
* sitemap in the admin that method returns the /administrator and mess
* all the urls, which should point to the frontend only.
*
* @return string
* @throws \Exception
*/
public function getFrontendBase()
{
return Factory::getPimpleContainer()->uri::root();
}
/**
* Check if the given URL is a relative URI. Returns true, if afirmative.
*
* @param string
*
* @return bool
* @throws \Exception
*/
public function isRelativeUri($url)
{
$container = Factory::getPimpleContainer();
$uri = $container->uri::getInstance($url);
return $uri->toString(['path']) === $url;
}
/**
* Converts an internal relative URI into a full link.
*
* @param string $path
*
* @return string
* @throws \Exception
*/
public function convertRelativeUriToFullUri($path)
{
if ($path[0] == '/') {
$scheme = ['scheme', 'user', 'pass', 'host', 'port'];
$path = Factory::getPimpleContainer()->uri::getInstance()->toString($scheme) . $path;
} elseif ($this->isRelativeUri($path)) {
$path = $this->getFrontendBase() . $path;
}
return $path;
}
/**
* Returns a sanitized URL, removing double slashes and trailing slash.
*
* @return string
*/
public function sanitizeURL($url)
{
return preg_replace('#([^:])(/{2,})#', '$1/', $url);
}
/**
* Returns a URL without the hash
*
* @return string
*/
public function removeHashFromURL($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);
}
/**
* Create a consistent url hash regardless of scheme or site root.
*
* @param string $url
*
* @return string
* @throws \Exception
*/
public function createUrlHash($url)
{
return md5(str_replace(Factory::getPimpleContainer()->uri::root(), '', $url));
}
}