BookStack Code Mirror - bookstack/blob - app/Providers/ValidationRuleServiceProvider.php

   1 <?php
   2
   3 namespace BookStack\Providers;
   4
   5 use BookStack\Uploads\ImageService;
   6 use Illuminate\Support\Facades\Validator;
   7 use Illuminate\Support\ServiceProvider;
   8
   9 class ValidationRuleServiceProvider extends ServiceProvider
  10 {
  11     /**
  12      * Register our custom validation rules when the application boots.
  13      */
  14     public function boot(): void
  15     {
  16         Validator::extend('image_extension', function ($attribute, $value, $parameters, $validator) {
  17             $extension = strtolower($value->getClientOriginalExtension());
  18
  19             return ImageService::isExtensionSupported($extension);
  20         });
  21
  22         Validator::extend('safe_url', function ($attribute, $value, $parameters, $validator) {
  23             $cleanLinkName = strtolower(trim($value));
  24             $isJs = str_starts_with($cleanLinkName, 'javascript:');
  25             $isData = str_starts_with($cleanLinkName, 'data:');
  26
  27             return !$isJs && !$isData;
  28         });
  29     }
  30 }