initial commit

backend/Services/Router/Router.php

@@ -0,0 +1,87 @@
+<?php
+
+/*
+ * This file is part of the FileGator package.
+ *
+ * (c) Milos Stojanovic <alcalbg@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE file
+ */
+
+namespace Filegator\Services\Router;
+
+use FastRoute;
+use Filegator\Container\Container;
+use Filegator\Kernel\Request;
+use Filegator\Services\Auth\AuthInterface;
+use Filegator\Services\Service;
+
+/**
+ * Uses unique query parameter to pass the route info
+ * Does not require rewrite rules, .htaccess or similar.
+ *
+ * Example routes:
+ *
+ * http://example.com/?r=/some/route&param1=val1&param2=val2
+ * http://example.com/?r=/user/{user_id}&param1=val1
+ */
+class Router implements Service
+{
+    protected $request;
+
+    protected $auth;
+
+    protected $container;
+
+    public function __construct(Request $request, AuthInterface $auth, Container $container)
+    {
+        $this->request = $request;
+        $this->container = $container;
+        $this->user = $auth->user() ?: $auth->getGuest();
+    }
+
+    public function init(array $config = [])
+    {
+        $uri = '/';
+        $http_method = $this->request->getMethod();
+
+        if ($r = $this->request->query->get($config['query_param'])) {
+            $this->request->query->remove($config['query_param']);
+            $uri = rawurldecode($r);
+        }
+
+        $routes = require $config['routes_file'];
+
+        $dispatcher = FastRoute\simpleDispatcher(function (FastRoute\RouteCollector $r) use ($routes) {
+            if ($routes && ! empty($routes)) {
+                foreach ($routes as $params) {
+                    if ($this->user->hasRole($params['roles']) && $this->user->hasPermissions($params['permissions'])) {
+                        $r->addRoute($params['route'][0], $params['route'][1], $params['route'][2]);
+                    }
+                }
+            }
+        });
+
+        $routeInfo = $dispatcher->dispatch($http_method, $uri);
+
+        $controller = '\Filegator\Controllers\ErrorController';
+        $action = 'notFound';
+        $params = [];
+
+        switch ($routeInfo[0]) {
+        case FastRoute\Dispatcher::FOUND:
+            $handler = explode('@', $routeInfo[1]);
+            $controller = $handler[0];
+            $action = $handler[1];
+            $params = $routeInfo[2];
+
+            break;
+        case FastRoute\Dispatcher::METHOD_NOT_ALLOWED:
+            $action = 'methodNotAllowed';
+
+            break;
+        }
+
+        $this->container->call([$controller, $action], $params);
+    }
+}