misc_pterodactyl-panel/app/Http/Controllers/Auth/LoginController.php

<?php

namespace Pterodactyl\Http\Controllers\Auth;

use Illuminate\Http\Request;
use Illuminate\Http\JsonResponse;
use Illuminate\Contracts\View\View;
use Pterodactyl\Exceptions\Repository\RecordNotFoundException;

class LoginController extends AbstractLoginController
{
    /**
     * Handle all incoming requests for the authentication routes and render the
     * base authentication view component. Vuejs will take over at this point and
     * turn the login area into a SPA.
     *
     * @return \Illuminate\Contracts\View\View
     */
    public function index(): View
    {
        return view('templates/auth.core');
    }

    /**
     * Handle a login request to the application.
     *
     * @param \Illuminate\Http\Request $request
     * @return \Illuminate\Http\JsonResponse
     *
     * @throws \Pterodactyl\Exceptions\DisplayException
     * @throws \Illuminate\Validation\ValidationException
     */
    public function login(Request $request): JsonResponse
    {
        $username = $request->input('user');
        $useColumn = $this->getField($username);

        if ($this->hasTooManyLoginAttempts($request)) {
            $this->fireLockoutEvent($request);
            $this->sendLockoutResponse($request);
        }

        try {
            $user = $this->repository->findFirstWhere([[$useColumn, '=', $username]]);
        } catch (RecordNotFoundException $exception) {
            return $this->sendFailedLoginResponse($request);
        }

        // Ensure that the account is using a valid username and password before trying to
        // continue. Previously this was handled in the 2FA checkpoint, however that has
        // a flaw in which you can discover if an account exists simply by seeing if you
        // can proceede to the next step in the login process.
        if (! password_verify($request->input('password'), $user->password)) {
            return $this->sendFailedLoginResponse($request, $user);
        }

        // If the user is using 2FA we do not actually log them in at this step, we return
        // a one-time token to link the 2FA credentials to this account via the UI.
        if ($user->use_totp) {
            $token = str_random(128);
            $this->cache->put($token, [
                'user_id' => $user->id,
                'request_ip' => $request->ip(),
            ], 5);

            return response()->json([
                'complete' => false,
                'login_token' => $token,
            ]);
        }

        return $this->sendLoginResponse($user, $request);
    }
}