drupal-civicrm/sites/all/modules/civicrm/Civi/API/Subscriber/APIv3SchemaAdapter.php
2018-01-14 13:10:16 +00:00

126 lines
4.5 KiB
PHP

<?php
/*
+--------------------------------------------------------------------+
| CiviCRM version 4.7 |
+--------------------------------------------------------------------+
| Copyright CiviCRM LLC (c) 2004-2017 |
+--------------------------------------------------------------------+
| This file is a part of CiviCRM. |
| |
| CiviCRM is free software; you can copy, modify, and distribute it |
| under the terms of the GNU Affero General Public License |
| Version 3, 19 November 2007 and the CiviCRM Licensing Exception. |
| |
| CiviCRM is distributed in the hope that it will be useful, but |
| WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
| See the GNU Affero General Public License for more details. |
| |
| You should have received a copy of the GNU Affero General Public |
| License and the CiviCRM Licensing Exception along |
| with this program; if not, contact CiviCRM LLC |
| at info[AT]civicrm[DOT]org. If you have questions about the |
| GNU Affero General Public License or the licensing of CiviCRM, |
| see the CiviCRM license FAQ at http://civicrm.org/licensing |
+--------------------------------------------------------------------+
*/
namespace Civi\API\Subscriber;
use Civi\API\Events;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
/**
* This class determines what fields are allowed for a request
* and validates that the fields are provided correctly.
*/
class APIv3SchemaAdapter implements EventSubscriberInterface {
/**
* @return array
*/
public static function getSubscribedEvents() {
return array(
Events::PREPARE => array(
array('onApiPrepare', Events::W_MIDDLE),
array('onApiPrepare_validate', Events::W_LATE),
),
);
}
/**
* @param \Civi\API\Event\PrepareEvent $event
* API preparation event.
*
* @throws \API_Exception
*/
public function onApiPrepare(\Civi\API\Event\PrepareEvent $event) {
$apiRequest = $event->getApiRequest();
if ($apiRequest['version'] > 3) {
return;
}
$apiRequest['fields'] = _civicrm_api3_api_getfields($apiRequest);
_civicrm_api3_swap_out_aliases($apiRequest, $apiRequest['fields']);
if (strtolower($apiRequest['action']) != 'getfields') {
if (empty($apiRequest['params']['id'])) {
$apiRequest['params'] = array_merge($this->getDefaults($apiRequest['fields']), $apiRequest['params']);
}
// Note: If 'id' is set then verify_mandatory will only check 'version'.
civicrm_api3_verify_mandatory($apiRequest['params'], NULL, $this->getRequired($apiRequest['fields']));
}
$event->setApiRequest($apiRequest);
}
/**
* @param \Civi\API\Event\Event $event
* API preparation event.
*
* @throws \Exception
*/
public function onApiPrepare_validate(\Civi\API\Event\Event $event) {
$apiRequest = $event->getApiRequest();
// Not sure why this is omitted for generic actions. It would make sense
// to omit 'getfields', but that's only one generic action.
if (isset($apiRequest['function']) && !$apiRequest['is_generic'] && isset($apiRequest['fields'])) {
_civicrm_api3_validate_fields($apiRequest['entity'], $apiRequest['action'], $apiRequest['params'], $apiRequest['fields']);
$event->setApiRequest($apiRequest);
}
}
/**
* Return array of defaults for the given API (function is a wrapper on getfields).
* @param $fields
* @return array
*/
public function getDefaults($fields) {
$defaults = array();
foreach ($fields as $field => $values) {
if (isset($values['api.default'])) {
$defaults[$field] = $values['api.default'];
}
}
return $defaults;
}
/**
* Return array of required fields for the given API (function is a wrapper on getfields).
* @param $fields
* @return array
*/
public function getRequired($fields) {
$required = array('version');
foreach ($fields as $field => $values) {
if (!empty($values['api.required'])) {
$required[] = $field;
}
}
return $required;
}
}