REST Api Development in Laravel 8 with JWT Authentication

<?php

namespace App\Models;

use Illuminate\Contracts\Auth\MustVerifyEmail;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Foundation\Auth\User as Authenticatable;
use Illuminate\Notifications\Notifiable;

use Tymon\JWTAuth\Contracts\JWTSubject; // Add this line

class User extends Authenticatable implements JWTSubject // Added here
{
    use HasFactory, Notifiable;

    /**
     * The attributes that are mass assignable.
     *
     * @var array
     */
    protected $fillable = [
        'name',
        'email',
        'password',
    ];

    /**
     * The attributes that should be hidden for arrays.
     *
     * @var array
     */
    protected $hidden = [
        'password',
        'remember_token',
    ];

    /**
     * The attributes that should be cast to native types.
     *
     * @var array
     */
    protected $casts = [
        'email_verified_at' => 'datetime',
    ];

  	// Add this method
    public function getJWTIdentifier()
    {
        return $this->getKey();
    }

    // Add this method
    /**
     * Return a key value array, containing any custom claims to be added to the JWT.
     *
     * @return array
     */
    public function getJWTCustomClaims()
    {
        return [];
    }
}

//...

'defaults' => [
  'guard' => 'api', // update here
  'passwords' => 'users',
],


'guards' => [
  'web' => [
    'driver' => 'session',
    'provider' => 'users',
  ],

  'api' => [ // update here
    'driver' => 'jwt',
    'provider' => 'users',
    'hash' => false,
  ],
],

//...

<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;

use App\Models\User;
use Illuminate\Support\Facades\Validator;

class AuthController extends Controller
{
    /**
     * Create a new AuthController instance.
     *
     * @return void
     */
    public function __construct()
    {
        $this->middleware('auth:api', ['except' => ['login', 'register']]);
    }

    /**
     * Get a JWT via given credentials.
     *
     * @return \Illuminate\Http\JsonResponse
     */
    public function login(Request $request)
    {
        $validator = Validator::make($request->all(), [
            'email' => 'required|email',
            'password' => 'required|string|min:6',
        ]);

        if ($validator->fails()) {
            return response()->json($validator->errors(), 422);
        }

        if (!$token = auth()->attempt($validator->validated())) {
            return response()->json(['error' => 'Unauthorized'], 401);
        }

        return $this->createNewToken($token);
    }

    /**
     * Register a User.
     *
     * @return \Illuminate\Http\JsonResponse
     */
    public function register(Request $request)
    {
        $validator = Validator::make($request->all(), [
            'name' => 'required|string|between:2,100',
            'email' => 'required|string|email|max:100|unique:users',
            'password' => 'required|string|confirmed|min:6',
        ]);

        if ($validator->fails()) {
            return response()->json(array(
                "status" => false,
                "errors" => $validator->errors()
            ), 400);
        }

        $user = User::create(array_merge(
            $validator->validated(),
            ['password' => bcrypt($request->password)]
        ));

        return response()->json([
            'status' => true,
            'message' => 'User successfully registered',
            'user' => $user
        ], 201);
    }


    /**
     * Log the user out (Invalidate the token).
     *
     * @return \Illuminate\Http\JsonResponse
     */
    public function logout()
    {
        auth()->logout();

        return response()->json(['message' => 'User successfully signed out']);
    }

    /**
     * Refresh a token.
     *
     * @return \Illuminate\Http\JsonResponse
     */
    public function refresh()
    {
        return $this->createNewToken(auth()->refresh());
    }

    /**
     * Get the authenticated User.
     *
     * @return \Illuminate\Http\JsonResponse
     */
    public function userProfile()
    {
        return response()->json(auth()->user());
    }

    /**
     * Get the token array structure.
     *
     * @param  string $token
     *
     * @return \Illuminate\Http\JsonResponse
     */
    protected function createNewToken($token)
    {
        return response()->json([
            'access_token' => $token,
            'token_type' => 'bearer',
            'expires_in' => auth()->factory()->getTTL() * 60,
            'user' => auth()->user()
        ]);
    }
}

# Add to header
use App\Http\Controllers\AuthController;

Route::group([
    'middleware' => 'api',
    'prefix' => 'auth'

], function () {
    Route::post('login', [AuthController::class, 'login']);
    Route::post('register', [AuthController::class, 'register']);
    Route::post('logout', [AuthController::class, 'logout']);
    Route::post('refresh', [AuthController::class, 'refresh']);
    Route::get('user-profile', [AuthController::class, 'userProfile']);
});