/home/mip/mip/app/Modules/Client/Middleware/Authenticate.php
<?php

namespace QxCMS\Modules\Client\Middleware;

use Closure;
use Config;
use Illuminate\Support\Facades\Auth;

class Authenticate
{
    /**
     * Handle an incoming request.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  \Closure  $next
     * @param  string|null  $guard
     * @return mixed
     */
    public function handle($request, Closure $next, $guard = 'client')
    {
        if (Auth::guard($guard)->guest()) {
            if ($request->ajax() || $request->wantsJson()) {
                return response('Unauthorized.', 401);
            } else {
                return redirect()->guest('client/auth/login');
            }
        }

        $client = Auth::guard($guard)->user()->client;

        config(['auth.defaults.guard' => $guard]);
        config(['account.dateformat.default' => $client->date_picker_format]);
        config(['account.displaydateformat.default' => $client->display_date_format]);

        Config::set('database.connections.client', array(
            'driver'    => 'mysql',
            'host'      => $client->database_host,
            'database'  => env('DB_PREFIX', 'qxcms_').$client->database_name,
            'username'  => $client->database_username,
            'password'  => $client->database_password,
            'charset'   => 'utf8',
            'collation' => 'utf8_unicode_ci',
            'prefix'    => '',
        ));

        Config::set('filesystems.disks.s3', array(
            'driver' => 's3',
            'key'    => $client->s3_key,
            'secret' => $client->s3_secret,
            'region' => $client->s3_region,
            'bucket' => $client->s3_bucket_name,
            'scheme' => 'http',
        ));
        return $next($request);
    }
}