1f657e5d0SAndreas Gohr<?php 2f657e5d0SAndreas Gohr 3f657e5d0SAndreas Gohrnamespace dokuwiki\Remote; 4f657e5d0SAndreas Gohr 5f657e5d0SAndreas Gohr/** 6f657e5d0SAndreas Gohr * Provide the Remote XMLRPC API as a JSON based API 7f657e5d0SAndreas Gohr */ 8f657e5d0SAndreas Gohrclass JsonRpcServer 9f657e5d0SAndreas Gohr{ 10f657e5d0SAndreas Gohr 11f657e5d0SAndreas Gohr protected $remote; 12f657e5d0SAndreas Gohr 13f657e5d0SAndreas Gohr /** 14f657e5d0SAndreas Gohr * JsonRpcServer constructor. 15f657e5d0SAndreas Gohr */ 16f657e5d0SAndreas Gohr public function __construct() 17f657e5d0SAndreas Gohr { 18f657e5d0SAndreas Gohr $this->remote = new Api(); 19f657e5d0SAndreas Gohr $this->remote->setFileTransformation(array($this, 'toFile')); 20f657e5d0SAndreas Gohr } 21f657e5d0SAndreas Gohr 22f657e5d0SAndreas Gohr /** 23f657e5d0SAndreas Gohr * Serve the request 24f657e5d0SAndreas Gohr * 25f657e5d0SAndreas Gohr * @return mixed 26f657e5d0SAndreas Gohr * @throws RemoteException 27f657e5d0SAndreas Gohr */ 28f657e5d0SAndreas Gohr public function serve() 29f657e5d0SAndreas Gohr { 30f657e5d0SAndreas Gohr global $conf; 318fae2e99SAndreas Gohr global $INPUT; 328fae2e99SAndreas Gohr 33f657e5d0SAndreas Gohr if (!$conf['remote']) { 34f657e5d0SAndreas Gohr http_status(404); 35f657e5d0SAndreas Gohr throw new RemoteException("JSON-RPC server not enabled.", -32605); 36f657e5d0SAndreas Gohr } 37f657e5d0SAndreas Gohr if (!empty($conf['remotecors'])) { 38f657e5d0SAndreas Gohr header('Access-Control-Allow-Origin: ' . $conf['remotecors']); 39f657e5d0SAndreas Gohr } 408fae2e99SAndreas Gohr if ($INPUT->server->str('REQUEST_METHOD') !== 'POST') { 418fae2e99SAndreas Gohr http_status(405); 428fae2e99SAndreas Gohr header('Allow: POST'); 438fae2e99SAndreas Gohr throw new RemoteException("JSON-RPC server only accepts POST requests.", -32606); 448fae2e99SAndreas Gohr } 458fae2e99SAndreas Gohr if ($INPUT->server->str('CONTENT_TYPE') !== 'application/json') { 468fae2e99SAndreas Gohr http_status(415); 478fae2e99SAndreas Gohr throw new RemoteException("JSON-RPC server only accepts application/json requests.", -32606); 488fae2e99SAndreas Gohr } 49f657e5d0SAndreas Gohr 50f657e5d0SAndreas Gohr $call = $INPUT->server->str('PATH_INFO'); 51f657e5d0SAndreas Gohr $call = trim($call, '/'); 52*87603a0aSAndreas Gohr try { 53*87603a0aSAndreas Gohr $args = json_decode(file_get_contents('php://input'), true, 512, JSON_THROW_ON_ERROR); 54*87603a0aSAndreas Gohr } catch (\Exception $e) { 55*87603a0aSAndreas Gohr $args = []; 56*87603a0aSAndreas Gohr } 57f657e5d0SAndreas Gohr if (!is_array($args)) $args = []; 58f657e5d0SAndreas Gohr 59f657e5d0SAndreas Gohr return $this->call($call, $args); 60f657e5d0SAndreas Gohr } 61f657e5d0SAndreas Gohr 62f657e5d0SAndreas Gohr /** 63f657e5d0SAndreas Gohr * Call an API method 64f657e5d0SAndreas Gohr * 65f657e5d0SAndreas Gohr * @param string $methodname 66f657e5d0SAndreas Gohr * @param array $args 67f657e5d0SAndreas Gohr * @return mixed 68f657e5d0SAndreas Gohr * @throws RemoteException 69f657e5d0SAndreas Gohr */ 70f657e5d0SAndreas Gohr public function call($methodname, $args) 71f657e5d0SAndreas Gohr { 72f657e5d0SAndreas Gohr try { 73f657e5d0SAndreas Gohr $result = $this->remote->call($methodname, $args); 74f657e5d0SAndreas Gohr return $result; 75f657e5d0SAndreas Gohr } catch (AccessDeniedException $e) { 76f657e5d0SAndreas Gohr if (!isset($_SERVER['REMOTE_USER'])) { 77f657e5d0SAndreas Gohr http_status(401); 78f657e5d0SAndreas Gohr throw new RemoteException("server error. not authorized to call method $methodname", -32603); 79f657e5d0SAndreas Gohr } else { 80f657e5d0SAndreas Gohr http_status(403); 81f657e5d0SAndreas Gohr throw new RemoteException("server error. forbidden to call the method $methodname", -32604); 82f657e5d0SAndreas Gohr } 83f657e5d0SAndreas Gohr } catch (RemoteException $e) { 84f657e5d0SAndreas Gohr http_status(400); 85f657e5d0SAndreas Gohr throw $e; 86f657e5d0SAndreas Gohr } 87f657e5d0SAndreas Gohr } 88f657e5d0SAndreas Gohr 89f657e5d0SAndreas Gohr /** 90f657e5d0SAndreas Gohr * @param string $data 91f657e5d0SAndreas Gohr * @return string 92f657e5d0SAndreas Gohr */ 93f657e5d0SAndreas Gohr public function toFile($data) 94f657e5d0SAndreas Gohr { 95f657e5d0SAndreas Gohr return base64_encode($data); 96f657e5d0SAndreas Gohr } 97f657e5d0SAndreas Gohr 98f657e5d0SAndreas Gohr} 99