sifangpay/app/Http/Controllers/Admin/LoginController.php

<?php

namespace App\Http\Controllers\Admin;

use App\Classc\GoogleAuthenticator;
use App\Http\Controllers\Controller;
use Illuminate\Foundation\Auth\AuthenticatesUsers;
use Auth;
use Illuminate\Http\Request;
use Illuminate\Validation\ValidationException;
use Validator;

class LoginController extends Controller
{
    /*
    |--------------------------------------------------------------------------
    | Login Controller
    |--------------------------------------------------------------------------
    |
    | This controller handles authenticating users for the application and
    | redirecting them to your home screen. The controller uses a trait
    | to conveniently provide its functionality to your applications.
    |
    */

    use AuthenticatesUsers;

    /**
     * Where to redirect users after login.
     *
     * @var string
     */
    protected $redirectTo = '/admin/home/';

    public function username()
    {
        return 'account';
    }

    protected function guard()
    {
        return Auth::guard('admin');
    }

    protected function sendFailedLoginResponse(Request $request)
    {
        return (['error' => 1, 'msg' => trans('auth.failed')]);
    }

    /**
     * Create a new controller instance.
     *
     * @return void
     */
    public function __construct()
    {

        //$this->middleware('admin')->except('logout');
    }

    protected function formError($error)
    {
        $error = $error->all();
        if (count($error) <= 0) return [];
        $error_str = '';
        foreach ($error as $k => $v) {

            $error_str .= $v . "*<br/>";

        }
        return response()->json(['error' => 1, 'msg' => $error_str, 'type' => 'validator']);


    }

    //跳转地址登陆
    public function redirectTo()
    {
        return redirect()->to(admin_url('Home'));
    }

    public function authenticated()
    {
        return response()->json(['error' => 0, 'msg' => '登录成功']);
    }

    public function showLoginForm()
    {

        if (Auth::guard('admin')->check()) {
            return redirect()->to(admin_url('Home'));
        }
        return view('admin.auth.login', ['title' => '管理系统']);
    }

    protected function validatorForm($request)
    {
        $is_mobile = 0;
        $message_data = [
            $this->username() . '.required' => '请输入账号',
            'password.required' => '请输入密码',
        ];
        $check_data =
            [
                $this->username() => 'required|string',
                'password' => 'required|string',
            ];


        $validator = Validator::make($request->all(), $check_data, $message_data);
        if ($validator->fails()) {

            if ($request->ajax() || $request->wantsJson()) {

                return $validator->errors();

            }
        }
        return [];
    }

    protected function sendLockoutResponse(Request $request)
    {
        $seconds = $this->limiter()->availableIn(
            $this->throttleKey($request)
        );
        return response()->json(['error' => 1, 'msg' => '登陆失败次数过多，请稍后重试' . $seconds]);
    }

    public function login(Request $request)
    {
        $whtelist = config('whitelist.login');
        $ip = $request->getClientIp();
        if (!in_array($ip, $whtelist)) {
           // return response()->json(['error' => 1, 'msg' => 'err']);
        }

        $error = $this->validatorForm($request);
        if (count($error) > 0) {
            return $this->formError($error);
        };
        // If the class is using the ThrottlesLogins trait, we can automatically throttle
        // the login attempts for this application. We'll key this by the username and
        // the IP address of the client making these requests into this application.
        //确定用户是否有太多失败的登录尝试。
        if ($this->hasTooManyLoginAttempts($request)) {
            $this->fireLockoutEvent($request);

            //太多次返回的信息
            return $this->sendLockoutResponse($request);
        }


        if ($this->attemptLogin($request)) {
            $this->guard()->user();
            $code = $request->post('code');
            $user = admin();
            if ($user->google_secret != '') {
                if (empty($code)) {
                    return response()->json(['error' => 1, 'msg' => '验证码必填']);
                }
                $ga = new GoogleAuthenticator();
                if (!$ga->verifyCode($user->google_secret, $code)) {
                    return response()->json(['error' => 1, 'msg' => '验证码错误']);
                }
            }
            //通过之后响应
            return $this->sendLoginResponse($request);
        }

        //增加登陆尝试次数，默认尝试增加1次
        $this->incrementLoginAttempts($request);


        return $this->sendFailedLoginResponse($request);
    }

    public function logout(Request $request)
    {
        $this->guard()->logout();

        $request->session()->invalidate();

        return $this->loggedOut($request) ?: redirect()->route('admin.login');
    }
}