Lot's of bug fixes

app/Http/Controllers/OpenAudioMCController.php

@@ -0,0 +1,70 @@
+<?php
+namespace App\Http\Controllers;
+
+use Illuminate\Support\Facades\Auth;
+use Illuminate\Support\Facades\Redirect;
+
+class OpenAudioMCController extends Controller
+{
+    /**
+     * Create a new controller instance.
+     *
+     * @return void
+     */
+    public function __construct()
+    {
+        $this->middleware(['auth', 'verified', '2fa']);
+    }
+
+    /**
+     * Show the application dashboard.
+     *
+     * @return \Illuminate\Contracts\Support\Renderable
+     */
+    public function index()
+    {
+        $url = env('OPENAUDIOMC_URL', '');
+        if(empty($url))
+            return  view('openaudiomc')->with(['type' => 1]);
+
+        if(!filter_var($url, FILTER_VALIDATE_URL))
+            return  view('openaudiomc')->with(['type' => 1]);
+
+        $key = explode('/', $url);
+        $key = $key[count($key) - 1];
+        if(!preg_match('/^([a-zA-Z0-9]{8})\-([a-zA-Z0-9]{4})\-([a-zA-Z0-9]{4})\-([a-zA-Z0-9]{4})\-([a-zA-Z0-9]{12})$/', $key))
+            return view('openaudiomc')->with(['type' => 1]);
+
+        $url = str_replace('%UUID%', Auth::user()->fixedUUID(), $url);
+        $result = file_get_contents($url);
+        if(!$this->isJson($result))
+            return view('openaudiomc')->with(['type' => 1]);
+
+        $json = json_decode($result);
+        if(isset($json->errors) && !empty($json->errors))
+            return  view('openaudiomc')->with(['type' => 2]);
+
+        if(!isset($json->response))
+            return  view('openaudiomc')->with(['type' => 2]);
+
+        $response = $json->response;
+        if(!isset($response->isConnected) || !isset($response->sessionUrl))
+            return  view('openaudiomc')->with(['type' => 2]);
+
+        if($response->isConnected)
+            return view('openaudiomc')->with(['type' => 3]);
+
+        $link = $json->response->sessionUrl;
+        header('Location: '.$link);
+        exit;
+    }
+
+    private function isJson($string) {
+        if(empty($string))
+            return false;
+
+        json_decode($string);
+        return (json_last_error() == JSON_ERROR_NONE);
+    }
+
+}