Laravel ApiWhiteList Middleware

ApiWhiteList.php

<?php namespace App\Http\Middleware;

use Closure;
use Config;
use App;

class ApiWhiteList
{
    //List of API path you want to restrict the use based on their IP Addresses
    protected $apiPath = [
        'api/v1/partner',
        'api/v1/partnerHarness'
    ];

    /**
     * ApiWhiteList constructor.
     */
    public function __construct()
    {
    }

    /**
     * Handle an incoming request.
     *
     * @param  \Illuminate\Http\Request $request
     * @param  \Closure $next
     * @throws \HttpException
     * @return mixed
     */
    public function handle($request, Closure $next)
    {
        //check the if requested path exist on the API Path array
        //validate client IP Address to the Whitelisted IP Addresses
        if (in_array($request->path(), $this->apiPath) && !$this->isIpWhiteListed($request)) {
            App::abort(403, 'Access denied');
        }

        return $next($request);
    }

    /**
     * Is IP white listed
     *
     * @param object $request
     * @return bool
     */
    public function isIpWhiteListed($request)
    {
        //In this case, I used the APP_DEBUG variable under .env file to check which IPs should I used based on their environment.
        return in_array($request->ip(),
            ( getenv('APP_DEBUG') == 'true') ? Config::get('ip.staging') : Config::get('ip.production')
        );
    }

}

ip.php

<?php

/**
 * @You should add this file under config/ip.php
 */

return [
    'staging' => [
        '112.199.116.18',
        '112.199.116.19',
        '124.107.67.135',
        '184.169.129.472'
    ], 
    'production' => [
        '112.199.116.18',
        '112.199.116.19',
        '124.107.67.135',
        '184.169.129.472'
    ]
];