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ENH Use symfony/validation logic #99

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ENH Use symfony/validation logic #99

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27 changes: 14 additions & 13 deletions src/IFramePage.php
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Original file line number Diff line number Diff line change
Expand Up @@ -3,12 +3,13 @@
namespace SilverStripe\IFrame;

use Page;
use SilverStripe\Core\Validation\ConstraintValidator;
use SilverStripe\Forms\DropdownField;
use SilverStripe\Forms\FieldList;
use SilverStripe\Forms\TextField;
use SilverStripe\ORM\FieldType\DBField;
use SilverStripe\Core\Validation\ValidationException;
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Not used

use SilverStripe\Core\Validation\ValidationResult;
use Symfony\Component\Validator\Constraints\Url;

/**
* Iframe page type embeds an iframe of URL of choice into the page.
Expand Down Expand Up @@ -119,21 +120,21 @@ public function getStyle()
/**
* Ensure that the IFrameURL is a valid url and prevents XSS
*
* @throws ValidationException
* @return ValidationResult
*/
public function validate()
{
$result = parent::validate();

//whitelist allowed URL schemes
$allowed_schemes = array('http', 'https');
if ($matches = parse_url($this->IFrameURL ?? '')) {
if (isset($matches['scheme']) && !in_array($matches['scheme'], $allowed_schemes ?? [])) {
$result->addError(_t(__CLASS__ . '.VALIDATION_BANNEDURLSCHEME', "This URL scheme is not allowed."));
}
}

return $result;
$fullResult = parent::validate();

$allowedSchemes = ['http', 'https'];
$message = _t(__CLASS__ . '.VALIDATION_URL', 'Please enter a valid URL');
$result = ConstraintValidator::validate(
$this->value,
new Url(message: $message, protocols: $allowedSchemes),
$this->getName()
);
$fullResult->combineAnd($result);

return $fullResult;
}
}
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