setup

app/Http/Middleware/IsAppAccessAuthorized.php

@@ -0,0 +1,29 @@
+<?php
+
+namespace App\Http\Middleware;
+
+use Closure;
+use Illuminate\Http\Request;
+
+class IsAppAccessAuthorized
+{
+    /**
+     * Handle an incoming request.
+     *
+     * @param  \Illuminate\Http\Request  $request
+     * @param  \Closure  $next
+     * @return mixed
+     */
+    public function handle(Request $request, Closure $next)
+    {
+        if (isset(getallheaders()['App-Key']) && (string) getallheaders()['App-Key'] === config('constants.app_key')) {
+            return $next($request);
+        } 
+        else {
+            return response()->json([
+                'status' => false,
+                'error' => config('error_code.invalid_app_key')
+            ], 422);
+        }
+    }
+}