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

169 lines
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\Provider;
use Civi\API\Events;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
/**
* An adhoc provider is useful for creating mock API implementations.
*/
class AdhocProvider implements EventSubscriberInterface, ProviderInterface {
/**
* @return array
*/
public static function getSubscribedEvents() {
// Using a high priority allows adhoc implementations
// to override standard implementations -- which is
// handy for testing/mocking.
return array(
Events::RESOLVE => array(
array('onApiResolve', Events::W_EARLY),
),
Events::AUTHORIZE => array(
array('onApiAuthorize', Events::W_EARLY),
),
);
}
/**
* @var array (string $name => array('perm' => string, 'callback' => callable))
*/
protected $actions = array();
/**
* @var string
*/
protected $entity;
/**
* @var int
*/
protected $version;
/**
* @param int $version
* API version.
* @param string $entity
* API entity.
*/
public function __construct($version, $entity) {
$this->entity = $entity;
$this->version = $version;
}
/**
* Register a new API.
*
* @param string $name
* Action name.
* @param string $perm
* Permissions required for invoking the action.
* @param mixed $callback
* The function which executes the API.
* @return AdhocProvider
*/
public function addAction($name, $perm, $callback) {
$this->actions[strtolower($name)] = array(
'perm' => $perm,
'callback' => $callback,
);
return $this;
}
/**
* @param \Civi\API\Event\ResolveEvent $event
* API resolution event.
*/
public function onApiResolve(\Civi\API\Event\ResolveEvent $event) {
$apiRequest = $event->getApiRequest();
if ($this->matchesRequest($apiRequest)) {
$event->setApiRequest($apiRequest);
$event->setApiProvider($this);
$event->stopPropagation();
}
}
/**
* @param \Civi\API\Event\AuthorizeEvent $event
* API authorization event.
*/
public function onApiAuthorize(\Civi\API\Event\AuthorizeEvent $event) {
$apiRequest = $event->getApiRequest();
if ($this->matchesRequest($apiRequest) && \CRM_Core_Permission::check($this->actions[strtolower($apiRequest['action'])]['perm'])) {
$event->authorize();
$event->stopPropagation();
}
}
/**
* @inheritDoc
* @param array $apiRequest
* @return array|mixed
*/
public function invoke($apiRequest) {
return call_user_func($this->actions[strtolower($apiRequest['action'])]['callback'], $apiRequest);
}
/**
* @inheritDoc
* @param int $version
* @return array
*/
public function getEntityNames($version) {
return array($this->entity);
}
/**
* @inheritDoc
* @param int $version
* @param string $entity
* @return array
*/
public function getActionNames($version, $entity) {
if ($version == $this->version && $entity == $this->entity) {
return array_keys($this->actions);
}
else {
return array();
}
}
/**
* @param array $apiRequest
* The full description of the API request.
*
* @return bool
*/
public function matchesRequest($apiRequest) {
return $apiRequest['entity'] == $this->entity && $apiRequest['version'] == $this->version && isset($this->actions[strtolower($apiRequest['action'])]);
}
}