BookStack/app/Providers/ValidationRuleServiceProvider.php
Dan Brown c80396136f
Increased attachment link limit from 192 to 2k
Added test to cover.
Did attempt a 64k limit, but values over 2k significantly increase
chance of other issues since this URL may be used in redirect headers.
Would rather catch issues in-app.

For #4044
2023-02-20 13:05:23 +00:00

30 lines
947 B
PHP

<?php
namespace BookStack\Providers;
use BookStack\Uploads\ImageService;
use Illuminate\Support\Facades\Validator;
use Illuminate\Support\ServiceProvider;
class ValidationRuleServiceProvider extends ServiceProvider
{
/**
* Register our custom validation rules when the application boots.
*/
public function boot(): void
{
Validator::extend('image_extension', function ($attribute, $value, $parameters, $validator) {
$extension = strtolower($value->getClientOriginalExtension());
return ImageService::isExtensionSupported($extension);
});
Validator::extend('safe_url', function ($attribute, $value, $parameters, $validator) {
$cleanLinkName = strtolower(trim($value));
$isJs = str_starts_with($cleanLinkName, 'javascript:');
$isData = str_starts_with($cleanLinkName, 'data:');
return !$isJs && !$isData;
});
}
}