/** * Finds and calls the requested resource * @param string $resource_name Requested resource name * @return string */ public final function fetchResource($resource_name = null) { if ($resource_name == null) { $resource_name = $this->get('resource'); } $resource_obj = ApiResource::getInstance($resource_name, $this); if ($resource_obj === false) { $this->checkInternally($resource_name); } $user = APIAuthentication::authenticateRequest(); $this->set('user', $user); $session = JFactory::getSession(); $session->set('user', $user); $access = $this->getResourceAccess($resource_name, $this->request_method); if ($access == 'protected' && $user === false) { ApiError::raiseError(403, APIAuthentication::getAuthError()); } if (!$this->checkRequestLimit()) { ApiError::raiseError(403, JText::_('COM_API_RATE_LIMIT_EXCEEDED')); } $this->log(); $this->lastUsed(); if ($resource_obj !== false) { $resource_obj->invoke(); } else { call_user_func(array($this, $resource_name)); } $output = $this->encode(); return $output; }