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| 1 | +<?php |
| 2 | + |
| 3 | +namespace A2Workspace\LaravelJwt; |
| 4 | + |
| 5 | +use Tymon\JWTAuth\JWTGuard; |
| 6 | +use Illuminate\Http\Request; |
| 7 | +use Illuminate\Support\Facades\Auth; |
| 8 | +use Tymon\JWTAuth\Exceptions\JWTException; |
| 9 | + |
| 10 | +trait AuthenticatesUsers |
| 11 | +{ |
| 12 | + /** |
| 13 | + * 處理登入請求 |
| 14 | + * |
| 15 | + * @param \Illuminate\Http\Request $request |
| 16 | + * @return \Illuminate\Http\Response |
| 17 | + */ |
| 18 | + public function login(Request $request) |
| 19 | + { |
| 20 | + $credentials = $this->credentials($request); |
| 21 | + |
| 22 | + if ($token = $this->guard()->attempt($credentials)) { |
| 23 | + return $this->respondWithToken($token); |
| 24 | + } |
| 25 | + |
| 26 | + return response()->json(['error' => 'Unauthorized'], 401); |
| 27 | + } |
| 28 | + |
| 29 | + /** |
| 30 | + * 自 Request 取得驗證所需的欄位 |
| 31 | + * |
| 32 | + * @param \Illuminate\Http\Request $request |
| 33 | + * @return array |
| 34 | + */ |
| 35 | + protected function credentials(Request $request) |
| 36 | + { |
| 37 | + return $request->only($this->username(), 'password'); |
| 38 | + } |
| 39 | + |
| 40 | + /** |
| 41 | + * 回傳驗證守衛。 |
| 42 | + * |
| 43 | + * @return \Tymon\JWTAuth\JWTGuard |
| 44 | + */ |
| 45 | + protected function guard(): JWTGuard |
| 46 | + { |
| 47 | + return Auth::guard('api'); |
| 48 | + } |
| 49 | + |
| 50 | + /** |
| 51 | + * 取得驗證使用者名稱的欄位 |
| 52 | + * |
| 53 | + * @return string |
| 54 | + */ |
| 55 | + protected function username() |
| 56 | + { |
| 57 | + return 'username'; |
| 58 | + } |
| 59 | + |
| 60 | + /** |
| 61 | + * Get the token array structure. |
| 62 | + * |
| 63 | + * @param string $token |
| 64 | + * |
| 65 | + * @return \Illuminate\Http\JsonResponse |
| 66 | + */ |
| 67 | + protected function respondWithToken($token) |
| 68 | + { |
| 69 | + return response()->json([ |
| 70 | + 'access_token' => $token, |
| 71 | + 'token_type' => 'bearer', |
| 72 | + 'expires_in' => $this->guard()->factory()->getTTL() * 60 |
| 73 | + ]); |
| 74 | + } |
| 75 | + |
| 76 | + /** |
| 77 | + * 處理登出請求 |
| 78 | + * |
| 79 | + * @param \Illuminate\Http\Request $request |
| 80 | + * @return \Illuminate\Http\Response |
| 81 | + */ |
| 82 | + public function logout(Request $request) |
| 83 | + { |
| 84 | + $this->guard()->logout(); |
| 85 | + |
| 86 | + return response()->json(['message' => 'Successfully logged out']); |
| 87 | + } |
| 88 | + |
| 89 | + /** |
| 90 | + * 刷新 token |
| 91 | + * |
| 92 | + * @return \Illuminate\Http\JsonResponse |
| 93 | + */ |
| 94 | + public function refresh() |
| 95 | + { |
| 96 | + try { |
| 97 | + return $this->respondWithToken($this->guard()->refresh()); |
| 98 | + } catch (JWTException $e) { |
| 99 | + return response()->json(['error' => 'Invalid Access Token'], 401); |
| 100 | + } |
| 101 | + } |
| 102 | + |
| 103 | + /** |
| 104 | + * 回傳當前使用者資訊 |
| 105 | + * |
| 106 | + * @param \Illuminate\Http\Request $request |
| 107 | + * @return \Illuminate\Http\Response 回傳使用者資訊 |
| 108 | + */ |
| 109 | + public function me(Request $request) |
| 110 | + { |
| 111 | + if ($this->guard()->check()) { |
| 112 | + return response()->json($this->guard()->user()); |
| 113 | + } else { |
| 114 | + return response()->json(['error' => 'Invalid Access Token'], 401); |
| 115 | + } |
| 116 | + } |
| 117 | +} |
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