Log failed accesses

[bookstack] / app / Http / Controllers / Auth / LoginController.php

diff --git a/app/Http/Controllers/Auth/LoginController.php b/app/Http/Controllers/Auth/LoginController.php
index 2302937cb5e4f6035af8dd9adbfb3f1ccab922e7..75ade74e716aa35cb544092ef5fa7ff933c100b6 100644 (file)
--- a/app/Http/Controllers/Auth/LoginController.php
+++ b/app/Http/Controllers/Auth/LoginController.php
@@ -5,6 +5,7 @@ namespace BookStack\Http\Controllers\Auth;
 use BookStack\Auth\Access\SocialAuthService;
 use BookStack\Exceptions\LoginAttemptEmailNeededException;
 use BookStack\Exceptions\LoginAttemptException;
+use BookStack\Exceptions\UserRegistrationException;
 use BookStack\Http\Controllers\Controller;
 use Illuminate\Foundation\Auth\AuthenticatesUsers;
 use Illuminate\Http\Request;
@@ -38,7 +39,9 @@ class LoginController extends Controller
      */
     public function __construct(SocialAuthService $socialAuthService)
     {
-        $this->middleware('guest', ['only' => ['getLogin', 'postLogin']]);
+        $this->middleware('guest', ['only' => ['getLogin', 'login']]);
+        $this->middleware('guard:standard,ldap', ['only' => ['login', 'logout']]);
+
         $this->socialAuthService = $socialAuthService;
         $this->redirectPath = url('/');
         $this->redirectAfterLogout = url('/login');
@@ -65,7 +68,6 @@ class LoginController extends Controller
     {
         $socialDrivers = $this->socialAuthService->getActiveDrivers();
         $authMethod = config('auth.method');
-        $samlEnabled = config('saml2.enabled') === true;
 
         if ($request->has('email')) {
             session()->flashInput([
@@ -77,7 +79,6 @@ class LoginController extends Controller
         return view('auth.login', [
           'socialDrivers' => $socialDrivers,
           'authMethod' => $authMethod,
-          'samlEnabled' => $samlEnabled,
         ]);
     }
 
@@ -100,6 +101,9 @@ class LoginController extends Controller
             $this->hasTooManyLoginAttempts($request)) {
             $this->fireLockoutEvent($request);
 
+            // Also log some error message
+            $this->logFailedAccess($request);
+
             return $this->sendLockoutResponse($request);
         }
 
@@ -116,6 +120,9 @@ class LoginController extends Controller
         // user surpasses their maximum number of attempts they will get locked out.
         $this->incrementLoginAttempts($request);
 
+        // Also log some error message
+        $this->logFailedAccess($request);
+
         return $this->sendFailedLoginResponse($request);
     }
 
@@ -129,28 +136,16 @@ class LoginController extends Controller
      */
     protected function validateLogin(Request $request)
     {
-        $rules = [];
+        $rules = ['password' => 'required|string'];
         $authMethod = config('auth.method');
 
         if ($authMethod === 'standard') {
-            $rules = [
-                'email' => 'required|string|email',
-                'password' => 'required|string'
-            ];
+            $rules['email'] = 'required|email';
         }
 
         if ($authMethod === 'ldap') {
-            $rules = [
-                'username' => 'required|string',
-                'password' => 'required|string',
-                'email' => 'email',
-            ];
-        }
-
-        if ($authMethod === 'saml2') {
-            $rules = [
-                'email' => 'email',
-            ];
+            $rules['username'] = 'required|string';
+            $rules['email'] = 'email';
         }
 
         $request->validate($rules);
@@ -174,17 +169,15 @@ class LoginController extends Controller
     }
 
     /**
-     * Log the user out of the application.
+     * Log failed accesses, matching the default fail2ban nginx/apache auth rules.
      */
-    public function logout(Request $request)
+    protected function logFailedAccess(Request $request)
     {
-        if (config('saml2.enabled') && session()->get('last_login_type') === 'saml2') {
-            return redirect('/saml2/logout');
-        }
-
-        $this->guard()->logout();
-        $request->session()->invalidate();
-
-        return $this->loggedOut($request) ?: redirect('/');
+        if (isset($_SERVER['SERVER_SOFTWARE']) && preg_match('/nginx/i', $_SERVER['SERVER_SOFTWARE'])) {
+             error_log('user "' . $request->get($this->username()) . '" was not found in "BookStack"', 4);
+         } else {
+             error_log('user "' . $request->get($this->username()) . '" authentication failure for "BookStack"', 4);
+         }
     }
+
 }