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<?php
/**
* Controller interface
*
* @package Duplicator
* @copyright (c) 2021, Snapcreek LLC
*
*/
namespace Duplicator\Core\REST;
use DUP_PRO_Log;
use Duplicator\Libs\Snap\SnapLog;
abstract class AbstractRESTPoint
{
const REST_NAMESPACE = 'duplicator/v1';
protected $args = array();
protected $override = false;
/**
* Class constructor
*/
public function __construct()
{
$this->args['methods'] = $this->getMethods();
$this->args['callback'] = array($this, 'callback');
$this->args['permission_callback'] = array($this, 'permission');
$this->args['args'] = $this->getArgs();
}
/**
* Get current endpoint route
*
* @return string
*/
abstract protected function getRoute();
/**
* Rest api permission callback
*
* @param \WP_REST_Request $request REST request
*
* @return boolean
*/
abstract public function permission(\WP_REST_Request $request);
/**
* Return methods of current rest point
*
* @return string|array
*/
protected function getMethods()
{
return 'GET';
}
/**
* Return arga of current rest point
*
* @return array
*/
protected function getArgs()
{
return array();
}
/**
* Return true if current rest point is enable
*
* @return boolean
*/
public function isEnable()
{
return true;
}
/**
* Registers REST API route.
*
* @return bool True on success, false on error.
*/
public function register()
{
if (!$this->isEnable()) {
return true;
}
return register_rest_route(self::REST_NAMESPACE, $this->getRoute(), $this->args, $this->override);
}
/**
* REST callback logic
*
* @param \WP_REST_Request $request REST request
*
* @return \WP_REST_Response
*/
public function callback(\WP_REST_Request $request)
{
$invalidOutput = '';
$exception = null;
$responseBase = array(
'success' => false,
'message' => ''
);
ob_start();
try {
$result = call_user_func(array($this, 'respond'), $request, $responseBase);
} catch (\Exception $e) {
$exception = $e;
} catch (\Error $e) {
$exception = $e;
}
if (!is_null($exception)) {
$response['success'] = false;
$response['message'] = SnapLog::getTextException($exception);
$result = new \WP_REST_Response($response, 200);
}
while (ob_get_level() > 0) {
$invalidOutput .= ob_get_clean();
}
if (strlen($invalidOutput) > 0) {
DUP_PRO_Log::trace('REST CALL INVALID OUTPUT: ' . $invalidOutput);
}
return $result;
}
/**
* REST endpoint logic
*
* @param WP_REST_Request $request REST request
* @param array $responseBase response base data
*
* @return \WP_REST_Response
*/
abstract protected function respond(\WP_REST_Request $request, $responseBase);
}
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