added ip range for whitelist

Author: denisdulici

src/Abstracts/Middleware.php

@@ -7,6 +7,7 @@
 use Closure;
 use Illuminate\Support\Facades\Redirect;
 use Illuminate\Support\Facades\Response;
+use Symfony\Component\HttpFoundation\IpUtils;
 
 abstract class Middleware
 {
@@ -73,7 +74,7 @@ public function isEnabled()
 
     public function isWhitelist()
     {
-        return in_array($this->ip(), config('firewall.whitelist'));
+        return IpUtils::checkIp($this->ip(), config('firewall.whitelist'));
     }
 
     public function isMethod()

tests/Feature/WhitelistTest.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace Akaunting\Firewall\Tests\Feature;
+
+use Akaunting\Firewall\Middleware\Whitelist;
+use Akaunting\Firewall\Models\Ip as Model;
+use Akaunting\Firewall\Tests\TestCase;
+
+class WhitelistTest extends TestCase
+{
+    public function testShouldAllow()
+    {
+        config(['firewall.whitelist' => ['127.0.0.0/24']]);
+
+        $this->assertEquals('next', (new Whitelist())->handle($this->app->request, $this->getNextClosure()));
+    }
+
+    public function testShouldBlock()
+    {
+        $this->assertEquals('403', (new Whitelist())->handle($this->app->request, $this->getNextClosure())->getStatusCode());
+    }
+}