Use middleware to set basepath from X-Forwarded-Path header

classes/RouterPathMiddleware.php

@@ -0,0 +1,42 @@
+<?php
+
+namespace Alltube;
+
+use Psr\Container\ContainerInterface;
+use Slim\Http\Request;
+use Slim\Http\Response;
+use Slim\Interfaces\RouterInterface;
+
+/**
+ * Class RouterPathMiddleware
+ * @package Alltube
+ */
+class RouterPathMiddleware
+{
+    /**
+     * @var RouterInterface
+     */
+    private $router;
+
+    /**
+     * RouterPathMiddleware constructor.
+     * @param ContainerInterface $container
+     */
+    public function __construct(ContainerInterface $container)
+    {
+        $this->router = $container->get('router');
+    }
+
+    /**
+     * @param Request $request
+     * @param Response $response
+     * @param callable $next
+     * @return mixed
+     */
+    public function __invoke(Request $request, Response $response, callable $next)
+    {
+        $this->router->setBasePath(current($request->getHeader('X-Forwarded-Path')));
+
+        return $next($request, $response);
+    }
+}

index.php

@@ -9,6 +9,7 @@ use Alltube\Controller\JsonController;
 use Alltube\LocaleManagerFactory;
 use Alltube\LocaleMiddleware;
 use Alltube\LoggerFactory;
+use Alltube\RouterPathMiddleware;
 use Alltube\ViewFactory;
 use Slim\App;
 use Slim\Container;
@@ -32,6 +33,7 @@ try {
     $container['locale'] = LocaleManagerFactory::create();
 
     $app->add(new LocaleMiddleware($container));
+    $app->add(new RouterPathMiddleware($container));
 
     // Smarty.
     $container['view'] = ViewFactory::create($container);
@@ -51,39 +53,38 @@ try {
     $container['notAllowedHandler'] = [$frontController, 'notAllowed'];
 
     // Routes.
-    $basePath = current($container->get('request')->getHeader('X-Forwarded-Path'));
     $app->get(
-        $basePath . '/',
+        '/',
         [$frontController, 'index']
     )->setName('index');
 
     $app->get(
-        $basePath . '/extractors',
+        '/extractors',
         [$frontController, 'extractors']
     )->setName('extractors');
 
     $app->any(
-        $basePath . '/info',
+        '/info',
         [$frontController, 'info']
     )->setName('info');
 
     $app->any(
-        $basePath . '/watch',
+        '/watch',
         [$frontController, 'info']
     );
 
     $app->any(
-        $basePath . '/download',
+        '/download',
         [$downloadController, 'download']
     )->setName('download');
 
     $app->get(
-        $basePath . '/locale/{locale}',
+        '/locale/{locale}',
         [$frontController, 'locale']
     )->setName('locale');
 
     $app->get(
-        $basePath . '/json',
+        '/json',
         [$jsonController, 'json']
     )->setName('json');