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<?php
namespace Icinga\Module\Director\Web\Controller\Extension;
use Icinga\Exception\AuthenticationException;
use Icinga\Exception\NotFoundError;
use Icinga\Module\Director\Exception\JsonException;
use Icinga\Web\Response;
use InvalidArgumentException;
use Zend_Controller_Response_Exception;
trait RestApi
{
protected function isApified()
{
if (property_exists($this, 'isApified')) {
return $this->isApified;
} else {
return false;
}
}
/**
* @return bool
*/
protected function sendNotFoundForRestApi()
{
/** @var \Icinga\Web\Request $request */
$request = $this->getRequest();
if ($request->isApiRequest()) {
$this->sendJsonError($this->getResponse(), 'Not found', 404);
return true;
} else {
return false;
}
}
/**
* @return bool
*/
protected function sendNotFoundUnlessRestApi()
{
/** @var \Icinga\Web\Request $request */
$request = $this->getRequest();
if ($request->isApiRequest()) {
return false;
} else {
$this->sendJsonError($this->getResponse(), 'Not found', 404);
return true;
}
}
/**
* @throws AuthenticationException
*/
protected function assertApiPermission()
{
if (! $this->hasPermission('director/api')) {
throw new AuthenticationException('You are not allowed to access this API');
}
}
/**
* @throws AuthenticationException
* @throws NotFoundError
*/
protected function checkForRestApiRequest()
{
/** @var \Icinga\Web\Request $request */
$request = $this->getRequest();
if ($request->isApiRequest()) {
$this->assertApiPermission();
if (! $this->isApified()) {
throw new NotFoundError('No such API endpoint found');
}
}
}
/**
* @param Response $response
* @param $object
*/
protected function sendJson(Response $response, $object)
{
$response->setHeader('Content-Type', 'application/json', true);
echo json_encode($object, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES) . "\n";
}
/**
* @param Response $response
* @param string $message
* @param int|null $code
*/
protected function sendJsonError(Response $response, $message, $code = null)
{
if ($code !== null) {
try {
$response->setHttpResponseCode((int) $code);
} catch (Zend_Controller_Response_Exception $e) {
throw new InvalidArgumentException($e->getMessage(), 0, $e);
}
}
$this->sendJson($response, (object) ['error' => $message]);
}
/**
* @return string
*/
protected function getLastJsonError()
{
return JsonException::getJsonErrorMessage(json_last_error());
}
}
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