cssd-back/app/Http/Controllers/Api/Auth/ResetPasswordController.php

<?php

namespace App\Http\Controllers\Api\Auth;

use App\Http\Controllers\Controller;
use Illuminate\Http\Request;

class ResetPasswordController extends Controller
{

    public function __construct()
    {
        $this->middleware('guest');
    }

    /**
     * Reset the given user's password.
     *
     * @param  \Illuminate\Http\Request  $request
     * @return \Illuminate\Http\RedirectResponse|\Illuminate\Http\JsonResponse
     */
    public function reset(Request $request)
    {
        $this->validatePassword($request);

        if (auth('api')->check()) {
            $user = auth('api')->user();
            $user->password = \Hash::make($request->password);
            $user->save();
            return \MessageResponse::success('Success Change Password');
        }
        return \MessageResponse::success('You Are Not Login');
    }

    /**
     * Validate the email for the given request.
     *
     * @param  \Illuminate\Http\Request  $request
     * @return void
     */
    protected function validatePassword(Request $request)
    {
        $request->validate(['password' => 'required|confirmed|min:8',]);
    }
}