Laravel配合jwt使用的方法实例

测试使用的是Laravel5.5版本。

安装

composer require tymon/jwt-auth=1.0.0-rc.5

配置

生成配置

php artisan vendor:publish --provider="Tymon\JWTAuth\Providers\LaravelServiceProvider"

php artisan jwt:secret

auth配置

 [
  'guard' => 'web',
  'passwords' => 'users',
 ],


 'guards' => [
  'web' => [
   'driver' => 'session',
   'provider' => 'users',
  ],
  // 使用jwt
  'api' => [
   'driver' => 'jwt',
   'provider' => 'apiUser',
  ],
 ],


 'providers' => [
  ...
  // 指定model
  'apiUser' => [
   'driver' => 'eloquent',
   'model' => App\ApiUser::class,
  ], 
 ],
];

编码

控制器:

middleware('auth:api', ['except' => ['login','refresh']]);
 }

 /**
  * Get a JWT via given credentials.
  *
  * @return \Illuminate\Http\JsonResponse
  */
 public function login(Request $request)
 {
  $credentials = $request->only('phone', 'password');

  if (count($credentials) < 2) {
   return response()->json(['error' => 'Unauthorized'], 401);
  } 

  $user = ApiUser::where('phone', $credentials['phone'])
   ->where('password', md5($credentials['password']))
   ->first();
  if (empty($user) || !$token = JWTAuth::fromUser($user)) {
   return response()->json(['error' => 'Unauthorized'], 401);
  }
  // dd($token);

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

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

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

  return response()->json(['message' => 'Successfully logged out']);
 }

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

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

路由:

此处注意,我为了方便测试,使用了get方法,生产环境不建议使用get。

// routes/api.php

Route::middleware('api')->prefix('auth')->namespace('Api')->group(function () {
 Route::get('login', 'AuthController@login');
 Route::post('logout', 'AuthController@logout');
 Route::get('refresh', 'AuthController@refresh');
 Route::get('me', 'AuthController@me');
});

测试一下:

Laravel配合jwt使用的方法实例_第1张图片

Laravel配合jwt使用的方法实例_第2张图片

Laravel配合jwt使用的方法实例_第3张图片

unauthenticated处理

这里需要注意下,unauthenticated处理一下比较好,否则会默认跳转login登录页面。

json(['message' => 'Unauthenticated.'], 401);
     /*非api可以这么处理
    return $request->expectsJson()
          ? response()->json(['message' => 'Unauthenticated.'], 401)
          : redirect()->guest(route('login'));
          */
  }
}

加入token refresh

加入中间件代码:

checkForToken($request); 
      if ($request->user = JWTAuth::parseToken()->authenticate()) {    
        return $next($request);
      }
      throw new AuthenticationException('Unauthorized', []);
    }catch (TokenExpiredException $exception){
      //返回特殊的code
      throw new HttpResponseException(response()->json([
        'message' => 'token expired'
      ]));
    } catch (\Exception $exception) {
      throw new AuthenticationException('Unauthorized', []);
    }
  }
}

注册:

 \App\Http\Middleware\RefreshToken::class,
    'auth.basic' => \Illuminate\Auth\Middleware\AuthenticateWithBasicAuth::class,
    'bindings' => \Illuminate\Routing\Middleware\SubstituteBindings::class,
    'can' => \Illuminate\Auth\Middleware\Authorize::class,
    'guest' => \App\Http\Middleware\RedirectIfAuthenticated::class,
    'throttle' => \Illuminate\Routing\Middleware\ThrottleRequests::class,
  ];
}

相应的控制器构造函数修改:

public function __construct()
{
    $this->middleware('token.refresh', ['except' => ['login','refresh']]);
}

把token时间设置成1分钟,测试一下。

Laravel配合jwt使用的方法实例_第4张图片

可以根据api返回,去调用刷新接口。

简单使用就是这样啦。

总结

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