Various code cleanup.

app/Http/Controllers/Auth/ForgotPasswordController.php

@@ -33,6 +33,8 @@ use Illuminate\Http\RedirectResponse;
 use Illuminate\Http\Request;
 use Illuminate\Support\Facades\Log;
 use Illuminate\View\View;
+use Psr\Container\ContainerExceptionInterface;
+use Psr\Container\NotFoundExceptionInterface;
 use Safe\Exceptions\UrlException;
 
 use function Safe\parse_url;
@@ -60,7 +62,11 @@ class ForgotPasswordController extends Controller
     /**
      * Send a reset link to the given user.
      *
+     * @param Request                 $request
+     * @param UserRepositoryInterface $repository
+     *
      * @return Factory|RedirectResponse|View
+     * @throws FireflyException
      */
     public function sendResetLinkEmail(Request $request, UserRepositoryInterface $repository)
     {
@@ -126,6 +132,8 @@ class ForgotPasswordController extends Controller
      * @return Factory|View
      *
      * @throws FireflyException
+     * @throws ContainerExceptionInterface
+     * @throws NotFoundExceptionInterface
      */
     public function showLinkRequestForm()
     {

app/Http/Controllers/Auth/LoginController.php

@@ -46,6 +46,8 @@ use Illuminate\Routing\Redirector;
 use Illuminate\Support\Facades\DB;
 use Illuminate\Support\Facades\Log;
 use Illuminate\Validation\ValidationException;
+use Psr\Container\ContainerExceptionInterface;
+use Psr\Container\NotFoundExceptionInterface;
 use Symfony\Component\HttpFoundation\Response as ResponseAlias;
 
 /**
@@ -151,7 +153,7 @@ class LoginController extends Controller
         $this->sendFailedLoginResponse($request);
 
         // @noinspection PhpUnreachableStatementInspection
-        return response()->json([]);
+        return response()->json();
     }
 
     /**
@@ -219,9 +221,13 @@ class LoginController extends Controller
     /**
      * Show the application's login form.
      *
+     * @param Request $request
+     *
      * @return Application|Factory|Redirector|RedirectResponse|View
      *
      * @throws FireflyException
+     * @throws ContainerExceptionInterface
+     * @throws NotFoundExceptionInterface
      */
     public function showLoginForm(Request $request)
     {

app/Http/Controllers/Auth/RegisterController.php

@@ -140,9 +140,14 @@ class RegisterController extends Controller
     /**
      * Show the application registration form if the invitation code is valid.
      *
+     * @param Request $request
+     * @param string  $code
+     *
      * @return Factory|View
      *
+     * @throws ContainerExceptionInterface
      * @throws FireflyException
+     * @throws NotFoundExceptionInterface
      */
     public function showInviteForm(Request $request, string $code)
     {
@@ -172,9 +177,13 @@ class RegisterController extends Controller
     /**
      * Show the application registration form.
      *
+     * @param Request|null $request
+     *
      * @return Factory|View
      *
+     * @throws ContainerExceptionInterface
      * @throws FireflyException
+     * @throws NotFoundExceptionInterface
      */
     public function showRegistrationForm(?Request $request = null)
     {

app/Http/Controllers/Auth/ResetPasswordController.php

@@ -34,6 +34,8 @@ use Illuminate\Http\Request;
 use Illuminate\Support\Facades\Password;
 use Illuminate\Validation\ValidationException;
 use Illuminate\View\View;
+use Psr\Container\ContainerExceptionInterface;
+use Psr\Container\NotFoundExceptionInterface;
 
 /**
  * Class ResetPasswordController
@@ -112,11 +114,14 @@ class ResetPasswordController extends Controller
      *
      * If no token is present, display the link request form.
      *
-     * @param null $token
+     * @param Request $request
+     * @param null    $token
      *
      * @return Factory|View
      *
      * @throws FireflyException
+     * @throws ContainerExceptionInterface
+     * @throws NotFoundExceptionInterface
      */
     public function showResetForm(Request $request, $token = null)
     {

app/Http/Controllers/Auth/TwoFactorController.php

@@ -37,6 +37,8 @@ use Illuminate\Http\Request;
 use Illuminate\Routing\Redirector;
 use Illuminate\Support\Facades\Log;
 use PragmaRX\Google2FALaravel\Support\Authenticator;
+use Psr\Container\ContainerExceptionInterface;
+use Psr\Container\NotFoundExceptionInterface;
 
 /**
  * Class TwoFactorController.
@@ -59,7 +61,11 @@ class TwoFactorController extends Controller
     }
 
     /**
+     * @param Request $request
+     *
      * @return Redirector|RedirectResponse
+     * @throws ContainerExceptionInterface
+     * @throws NotFoundExceptionInterface
      */
     public function submitMFA(Request $request)
     {