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<?php
namespace Icinga\Module\Director\PropertyModifier;
use Icinga\Exception\InvalidPropertyException;
use Icinga\Module\Director\Hook\PropertyModifierHook;
use Icinga\Module\Director\Web\Form\QuickForm;
class PropertyModifierParseURL extends PropertyModifierHook
{
/**
* Array with possible components that can be returned from URL.
*/
protected static $components = [
'scheme' => PHP_URL_SCHEME,
'host' => PHP_URL_HOST,
'port' => PHP_URL_PORT,
'path' => PHP_URL_PATH,
'query' => PHP_URL_QUERY,
'fragment' => PHP_URL_FRAGMENT,
];
public static function addSettingsFormFields(QuickForm $form)
{
$form->addElement('select', 'url_component', [
'label' => $form->translate('URL component'),
'description' => $form->translate('URL component'),
'multiOptions' => $form->optionalEnum(static::enumComponents()),
'required' => true,
]);
$form->addElement('select', 'on_failure', [
'label' => $form->translate('On failure'),
'description' => $form->translate(
'What should we do if the URL could not get parsed or component not found?'
),
'multiOptions' => $form->optionalEnum([
'null' => $form->translate('Set no value (null)'),
'keep' => $form->translate('Keep the property as is'),
'fail' => $form->translate('Let the whole import run fail'),
]),
'required' => true,
]);
}
protected static function enumComponents()
{
$components = array_keys(self::$components);
return array_combine($components, $components);
}
public function getName()
{
return 'Parse a URL and return its components';
}
public function transform($value)
{
$component = self::$components[$this->getSetting('url_component')];
$response = parse_url($value, $component);
// if component not found $response will be null, false if seriously malformed URL
if ($response === null || $response === false) {
switch ($this->getSetting('on_failure')) {
case 'null':
return null;
case 'keep':
return $value;
case 'fail':
default:
throw new InvalidPropertyException(
'Parsing URL "%s" failed.',
$value
);
}
}
return $response;
}
}
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