dbFields = array( 'token'=>$token, // API Token 'numberOfItems'=>15 // Amount of items to return ); } public function form() { global $L; $html = ''; $html .= '
'; $html .= ''; $html .= '

'.DOMAIN.'/api/{endpoint}

'; $html .= '
'; $html .= '
'; $html .= ''; $html .= ''; $html .= ''.$L->get('This token is for read only and is regenerated every time you install the plugin').''; $html .= '
'; $html .= '
'; $html .= ''; $html .= ''; $html .= ''.$L->get('This is the maximum of pages to return when you call to').''; $html .= '
'; return $html; } // API HOOKS // ---------------------------------------------------------------------------- public function beforeAll() { global $url; global $pages; global $users; // CHECK URL // ------------------------------------------------------------ $URI = $this->webhook('api', $returnsAfterURI=true, $fixed=false); if ($URI===false) { return false; } // METHOD // ------------------------------------------------------------ $method = $this->getMethod(); // METHOD INPUTS // ------------------------------------------------------------ $inputs = $this->getMethodInputs(); if ( empty($inputs) ) { $this->response(404, 'Not Found', array('message'=>'Missing method inputs.')); } // ENDPOINT PARAMETERS // ------------------------------------------------------------ $parameters = $this->getEndpointParameters($URI); if ( empty($parameters) ) { $this->response(404, 'Not Found', array('message'=>'Missing endpoint parameters.')); } // API TOKEN // ------------------------------------------------------------ // Token from the plugin, the user can change it on the settings of the plugin $tokenAPI = $this->getValue('token'); // Check empty token if (empty($inputs['token'])) { $this->response(404, 'Not Found', array('message'=>'Missing API token.')); } // Check if the token is valid if ($inputs['token']!==$tokenAPI) { $this->response(401, 'Unauthorized', array('message'=>'Invalid API token.')); } // AUTHENTICATION TOKEN // ------------------------------------------------------------ $writePermissions = false; if (!empty($inputs['authentication'])) { // Get the user with the authentication token, FALSE if doesn't exit $username = $users->getByAuthToken($inputs['authentication']); if ($username!==false) { try { $user = new User($username); if (($user->role()=='admin') && ($user->enabled())) { // Loggin the user to create the session $login = new Login(); $login->setLogin($username, 'admin'); // Enable write permissions $writePermissions = true; } } catch (Exception $e) { // Continue without permissions } } } // ENDPOINTS // ------------------------------------------------------------ // (GET) /api/pages if ( ($method==='GET') && ($parameters[0]==='pages') && empty($parameters[1]) ) { $data = $this->getPages(); } // (GET) /api/pages/ elseif ( ($method==='GET') && ($parameters[0]==='pages') && !empty($parameters[1]) ) { $pageKey = $parameters[1]; $data = $this->getPage($pageKey); } // (PUT) /api/pages/ elseif ( ($method==='PUT') && ($parameters[0]==='pages') && !empty($parameters[1]) && $writePermissions ) { $pageKey = $parameters[1]; $data = $this->editPage($pageKey, $inputs); } // (DELETE) /api/pages/ elseif ( ($method==='DELETE') && ($parameters[0]==='pages') && !empty($parameters[1]) && $writePermissions ) { $pageKey = $parameters[1]; $data = $this->deletePage($pageKey); } // (POST) /api/pages elseif ( ($method==='POST') && ($parameters[0]==='pages') && empty($parameters[1]) && $writePermissions ) { $data = $this->createPage($inputs); } else { $this->response(401, 'Unauthorized', array('message'=>'Access denied or invalid endpoint.')); } $this->response(200, 'OK', $data); } // PRIVATE METHODS // ---------------------------------------------------------------------------- private function getMethod() { // METHODS // ------------------------------------------------------------ // GET // POST // PUT // DELETE $this->method = $_SERVER['REQUEST_METHOD']; return $this->method; } private function getMethodInputs() { switch($this->method) { case "POST": $inputs = $_POST; break; case "GET": case "DELETE": $inputs = $_GET; break; case "PUT": $inputs = ''; break; default: $inputs = json_encode(array()); break; } // Try to get raw/json data if (empty($inputs)) { $inputs = file_get_contents('php://input'); } return $this->cleanInputs($inputs); } // Returns an array with key=>value // If the content is JSON is parsed to array private function cleanInputs($inputs) { $tmp = array(); if (is_array($inputs)) { foreach ($inputs as $key=>$value) { $tmp[$key] = Sanitize::html($value); } } elseif (is_string($inputs)) { $tmp = json_decode($inputs, true); if (json_last_error()!==JSON_ERROR_NONE) { $tmp = array(); } } return $tmp; } private function getEndpointParameters($URI) { // ENDPOINT Parameters // ------------------------------------------------------------ // /api/pages | GET | returns all pages // /api/pages/{key} | GET | returns the page with the {key} // /api/pages | POST | create a new page $URI = ltrim($URI, '/'); $parameters = explode('/', $URI); // Sanitize parameters foreach ($parameters as $key=>$value) { $parameters[$key] = Sanitize::html($value); } return $parameters; } private function response($code=200, $message='OK', $data=array()) { header('HTTP/1.1 '.$code.' '.$message); header('Access-Control-Allow-Origin: *'); header('Content-Type: application/json'); $json = json_encode($data); exit($json); } private function getPages() { global $pages; $onlyPublished = true; $numberOfItems = $this->getValue('numberOfItems'); $pageNumber = 1; $list = $pages->getList($pageNumber, $numberOfItems, $onlyPublished); $tmp = array( 'status'=>'0', 'message'=>'List of pages, number of items: '.$numberOfItems, 'data'=>array() ); // Get keys of pages foreach ($list as $pageKey) { try { // Create the page object from the page key $page = new Page($pageKey); array_push($tmp['data'], $page->json( $returnsArray=true )); } catch (Exception $e) { // Continue } } return $tmp; } private function getPage($key) { try { $page = new Page($key); return array( 'status'=>'0', 'message'=>'Page filtered by key: '.$key, 'data'=>$page->json( $returnsArray=true ) ); } catch (Exception $e) { return array( 'status'=>'1', 'message'=>'Page not found.' ); } } private function createPage($args) { // Unsanitize content because all values are sanitized if (isset($args['content'])) { $args['content'] = Sanitize::htmlDecode($args['content']); } // This function is defined on functions.php $key = createPage($args); if ($key===false) { return array( 'status'=>'1', 'message'=>'Error trying to create the new page.' ); } return array( 'status'=>'0', 'message'=>'Page created.', 'data'=>array('key'=>$key) ); } private function editPage($key, $args) { // Unsanitize content because all values are sanitized if (isset($args['content'])) { $args['content'] = Sanitize::htmlDecode($args['content']); } $args['key'] = $key; $newKey = editPage($args); if ($newKey===false) { return array( 'status'=>'1', 'message'=>'Error trying to edit the page.' ); } return array( 'status'=>'0', 'message'=>'Page edited.', 'data'=>array('key'=>$newKey) ); } private function deletePage($key) { if (deletePage($key)) { return array( 'status'=>'0', 'message'=>'Page deleted.' ); } return array( 'status'=>'1', 'message'=>'Error trying to delete the page.' ); } }