Working version of project

includes/app.php

@@ -1,18 +1,73 @@
 <?php
 namespace  Includes;
 
+use Classes\Xmpp;
+use Classes\Webhook;
+use Config\Config;
+
 /**
  * Main Application Class
  * @package Includes
  */
 class App
 {
+    protected $config;
 
-    /**
-     * Start application
-     */
-    public function start(){
-        print("SERVING WEBHOOK API");
+    public function __construct()
+    {
+        $this->config = new Config();
     }
 
+    /**
+     * Main application loop
+     */
+    public function start(){
+        if($this->checkIfRequestMethodIsPost() && $this->checkAuthorization())  {
+            $this->handleIncomingData();
+        }
+    }
+
+    /**
+     * Check if client is authorized to post via this gate
+     * @return bool
+     */
+    private function checkAuthorization()
+    {
+        if(isset($_GET['apikey']) && $_GET['apikey'] === $this->config->api_key)
+        {
+            return true;
+        }
+        else
+        {
+            die("ERROR: Client not authenticated to use this application");
+        }
+        return false;
+    }
+
+    /**
+     * Check if request method is post
+     * @return bool
+     */
+    private function checkIfRequestMethodIsPost()
+    {
+        if($_SERVER["REQUEST_METHOD"])
+        {
+            return true;
+        }
+
+        return false;
+    }
+
+
+    private function handleIncomingData()
+    {
+        $post = file_get_contents("php://input");
+        $wh = new Webhook($post);
+        $xmpp = new Xmpp();
+
+        $xmpp->start();
+        $xmpp->connect();
+        $xmpp->sendMessage($wh->getMessage());
+        $xmpp->disconnect();
+    }
 }