<?php
/*
* This file is part of the FOSJsRoutingBundle package.
*
* (c) FriendsOfSymfony <http://friendsofsymfony.github.com/>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace FOS\JsRoutingBundle\Extractor;
use Symfony\Component\Routing\Route;
use Symfony\Component\Routing\RouteCollection;
use Symfony\Component\Routing\RouterInterface;
use JMS\I18nRoutingBundle\Router\I18nLoader;
/**
* @author William DURAND <william.durand1@gmail.com>
*/
class ExposedRoutesExtractor implements ExposedRoutesExtractorInterface
{
/**
* @var RouterInterface
*/
protected $router;
/**
* Base cache directory
*
* @var string
*/
protected $cacheDir;
/**
* @var array
*/
protected $bundles;
/**
* @var string
*/
protected $pattern;
/**
* @var array
*/
protected $availableDomains;
/**
* Default constructor.
*
* @param RouterInterface $router The router.
* @param array $routesToExpose Some route names to expose.
* @param string $cacheDir
* @param array $bundles list of loaded bundles to check when generating the prefix
*
* @throws \Exception
*/
public function __construct(RouterInterface $router, array $routesToExpose, $cacheDir, $bundles = array())
{
$this->router = $router;
$this->cacheDir = $cacheDir;
$this->bundles = $bundles;
$domainPatterns = $this->extractDomainPatterns($routesToExpose);
$this->availableDomains = array_keys($domainPatterns);
$this->pattern = $this->buildPattern($domainPatterns);
}
/**
* {@inheritDoc}
*/
public function getRoutes()
{
$collection = $this->router->getRouteCollection();
$routes = new RouteCollection();
/** @var Route $route */
foreach ($collection->all() as $name => $route) {
if ($route->hasOption('expose')) {
$routes->add($name, $route);
continue;
}
preg_match('#^' . $this->pattern . '$#', $name, $matches);
if (count($matches) === 0) {
continue;
}
$domain = $this->getDomainByRouteMatches($matches, $name);
if (is_null($domain)) {
continue;
}
$route = clone $route;
$route->setOption('expose', $domain);
$routes->add($name, $route);
}
return $routes;
}
/**
* {@inheritDoc}
*/
public function getBaseUrl()
{
return $this->router->getContext()->getBaseUrl() ?: '';
}
/**
* {@inheritDoc}
*/
public function getPrefix($locale)
{
if (isset($this->bundles['JMSI18nRoutingBundle'])) {
return $locale . I18nLoader::ROUTING_PREFIX;
}
return '';
}
/**
* {@inheritDoc}
*/
public function getHost()
{
$requestContext = $this->router->getContext();
$host = $requestContext->getHost() .
('' === $this->getPort() ? $this->getPort() : ':' . $this->getPort());
return $host;
}
/**
* {@inheritDoc}
*/
public function getPort()
{
$requestContext = $this->router->getContext();
$port="";
if ($this->usesNonStandardPort()) {
$method = sprintf('get%sPort', ucfirst($requestContext->getScheme()));
$port = $requestContext->$method();
}
return $port;
}
/**
* {@inheritDoc}
*/
public function getScheme()
{
return $this->router->getContext()->getScheme();
}
/**
* {@inheritDoc}
*/
public function getCachePath($locale)
{
$cachePath = $this->cacheDir . DIRECTORY_SEPARATOR . 'fosJsRouting';
if (!file_exists($cachePath)) {
mkdir($cachePath);
}
if (isset($this->bundles['JMSI18nRoutingBundle'])) {
$cachePath = $cachePath . DIRECTORY_SEPARATOR . 'data.' . $locale . '.json';
} else {
$cachePath = $cachePath . DIRECTORY_SEPARATOR . 'data.json';
}
return $cachePath;
}
/**
* {@inheritDoc}
*/
public function getResources()
{
return $this->router->getRouteCollection()->getResources();
}
/**
* {@inheritDoc}
*/
public function isRouteExposed(Route $route, $name)
{
return true === $route->hasOption('expose') ||
('' !== $this->pattern && preg_match('#^' . $this->pattern . '$#', $name));
}
protected function getDomainByRouteMatches($matches, $name)
{
$matches = array_filter($matches, function($match) {
return !empty($match);
});
$matches = array_flip(array_intersect_key($matches, array_flip($this->availableDomains)));
return isset($matches[$name]) ? $matches[$name] : null;
}
protected function extractDomainPatterns($routesToExpose)
{
$domainPatterns = array();
foreach ($routesToExpose as $item) {
if (is_string($item)) {
$domainPatterns['default'][] = $item;
continue;
}
if (is_array($item) && is_string($item['pattern'])) {
if (!isset($item['domain'])) {
$domainPatterns['default'][] = $item['pattern'];
continue;
} elseif (is_string($item['domain'])) {
$domainPatterns[$item['domain']][] = $item['pattern'];
continue;
}
}
throw new \Exception('routes_to_expose definition is invalid');
}
return $domainPatterns;
}
/**
* Convert the routesToExpose array in a regular expression pattern
*
* @param $domainPatterns
* @return string
* @throws \Exception
*/
protected function buildPattern($domainPatterns)
{
$patterns = array();
foreach ($domainPatterns as $domain => $items) {
$patterns[] = '(?P<' . $domain . '>' . implode('|', $items) . ')';
}
return implode('|', $patterns);
}
/**
* Check whether server is serving this request from a non-standard port
*
* @return bool
*/
private function usesNonStandardPort()
{
return $this->usesNonStandardHttpPort() || $this->usesNonStandardHttpsPort();
}
/**
* Check whether server is serving HTTP over a non-standard port
*
* @return bool
*/
private function usesNonStandardHttpPort()
{
return 'http' === $this->getScheme() && '80' != $this->router->getContext()->getHttpPort();
}
/**
* Check whether server is serving HTTPS over a non-standard port
*
* @return bool
*/
private function usesNonStandardHttpsPort()
{
return 'https' === $this->getScheme() && '443' != $this->router->getContext()->getHttpsPort();
}
}