Updated to Laravel 5.8

app/Http/Controllers/Auth/RegisterController.php

@@ -19,6 +19,7 @@ use Illuminate\Http\Request;
 use Illuminate\Http\Response;
 use Illuminate\Routing\Redirector;
 use Illuminate\Support\Facades\Hash;
+use Illuminate\Support\Str;
 use Laravel\Socialite\Contracts\User as SocialUser;
 use Validator;
 
@@ -78,7 +79,7 @@ class RegisterController extends Controller
         return Validator::make($data, [
             'name' => 'required|min:2|max:255',
             'email' => 'required|email|max:255|unique:users',
-            'password' => 'required|min:6',
+            'password' => 'required|min:8',
         ]);
     }
 
@@ -262,7 +263,7 @@ class RegisterController extends Controller
         $userData = [
             'name' => $socialUser->getName(),
             'email' => $socialUser->getEmail(),
-            'password' => str_random(30)
+            'password' => Str::random(30)
         ];
         return $this->registerUser($userData, $socialAccount, $emailVerified);
     }

app/Http/Controllers/Auth/UserInviteController.php

@@ -62,7 +62,7 @@ class UserInviteController extends Controller
     public function setPassword(string $token, Request $request)
     {
         $this->validate($request, [
-            'password' => 'required|min:6'
+            'password' => 'required|min:8'
         ]);
 
         try {

app/Http/Controllers/UserController.php

@@ -8,6 +8,7 @@ use BookStack\Exceptions\UserUpdateException;
 use BookStack\Uploads\ImageRepo;
 use Illuminate\Http\Request;
 use Illuminate\Http\Response;
+use Illuminate\Support\Str;
 
 class UserController extends Controller
 {
@@ -92,7 +93,7 @@ class UserController extends Controller
         $user = $this->user->fill($request->all());
 
         if ($authMethod === 'standard') {
-            $user->password = bcrypt($request->get('password', str_random(32)));
+            $user->password = bcrypt($request->get('password', Str::random(32)));
         } elseif ($authMethod === 'ldap') {
             $user->external_auth_id = $request->get('external_auth_id');
         }