added entrust role based permission

app/Http/Middleware/TokenEntrustAbility.php

@@ -0,0 +1,39 @@
+<?php
+
+namespace App\Http\Middleware;
+
+use Closure;
+use Tymon\JWTAuth\Exceptions\JWTException;
+use Tymon\JWTAuth\Exceptions\TokenExpiredException;
+use Tymon\JWTAuth\Middleware\BaseMiddleware;
+
+class TokenEntrustAbility extends BaseMiddleware
+{
+       public function handle($request, Closure $next, $roles, $permissions, $validateAll = false)
+    {
+
+        if (! $token = $this->auth->setRequest($request)->getToken()) {
+            return $this->respond('tymon.jwt.absent', 'token_not_provided', 400);
+        }
+
+        try {
+            $user = $this->auth->authenticate($token);
+        } catch (TokenExpiredException $e) {
+            return $this->respond('tymon.jwt.expired', 'token_expired', $e->getStatusCode(), [$e]);
+        } catch (JWTException $e) {
+            return $this->respond('tymon.jwt.invalid', 'token_invalid', $e->getStatusCode(), [$e]);
+        }
+
+        if (! $user) {
+            return $this->respond('tymon.jwt.user_not_found', 'user_not_found', 404);
+        }
+
+       if (!$request->user()->ability(explode('|', $roles), explode('|', $permissions), array('validate_all' => $validateAll))) {
+            return $this->respond('tymon.jwt.invalid', 'token_invalid', 401, 'Unauthorized');
+        }
+
+        $this->events->fire('tymon.jwt.valid', $user);
+
+        return $next($request);
+    }
+}