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Theodotos Andreou 2018-01-14 13:10:16 +00:00
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sites/all/modules/civicrm/Civi/API/Subscriber/PermissionCheck.php Normal file
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<?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;
/**
* For any API requests that correspond to a Doctrine entity
* ($apiRequest['doctrineClass']), check permissions specified in
* Civi\API\Annotation\Permission.
*/
class PermissionCheck implements EventSubscriberInterface {
/**
* @return array
*/
public static function getSubscribedEvents() {
return array(
Events::AUTHORIZE => array(
array('onApiAuthorize', Events::W_LATE),
),
);
}
/**
* @param \Civi\API\Event\AuthorizeEvent $event
* API authorization event.
*
* @throws \Civi\API\Exception\UnauthorizedException
*/
public function onApiAuthorize(\Civi\API\Event\AuthorizeEvent $event) {
$apiRequest = $event->getApiRequest();
if ($apiRequest['version'] < 4) {
// return early unless we’re told explicitly to do the permission check
if (empty($apiRequest['params']['check_permissions']) or $apiRequest['params']['check_permissions'] == FALSE) {
$event->authorize();
$event->stopPropagation();
return;
}
require_once 'CRM/Core/DAO/permissions.php';
$permissions = _civicrm_api3_permissions($apiRequest['entity'], $apiRequest['action'], $apiRequest['params']);
// $params might’ve been reset by the alterAPIPermissions() hook
if (isset($apiRequest['params']['check_permissions']) and $apiRequest['params']['check_permissions'] == FALSE) {
$event->authorize();
$event->stopPropagation();
return;
}
if (!\CRM_Core_Permission::check($permissions) and !self::checkACLPermission($apiRequest)) {
if (is_array($permissions)) {
foreach ($permissions as &$permission) {
if (is_array($permission)) {
$permission = '( ' . implode(' or ', $permission) . ' )';
}
}
$permissions = implode(' and ', $permissions);
}
// FIXME: Generating the exception ourselves allows for detailed error
// but doesn't play well with multiple authz subscribers.
throw new \Civi\API\Exception\UnauthorizedException("API permission check failed for {$apiRequest['entity']}/{$apiRequest['action']} call; insufficient permission: require $permissions");
}
$event->authorize();
$event->stopPropagation();
}
elseif ($apiRequest['version'] == 4) {
if (!$apiRequest->getCheckPermissions()) {
$event->authorize();
$event->stopPropagation();
}
}
}
/**
* Check API for ACL permission.
*
* @param array $apiRequest
*
* @return bool
*/
public function checkACLPermission($apiRequest) {
switch ($apiRequest['entity']) {
case 'UFGroup':
case 'UFField':
$ufGroups = \CRM_Core_PseudoConstant::get('CRM_Core_DAO_UFField', 'uf_group_id');
$aclCreate = \CRM_ACL_API::group(\CRM_Core_Permission::CREATE, NULL, 'civicrm_uf_group', $ufGroups);
$aclEdit = \CRM_ACL_API::group(\CRM_Core_Permission::EDIT, NULL, 'civicrm_uf_group', $ufGroups);
$ufGroupId = $apiRequest['entity'] == 'UFGroup' ? $apiRequest['params']['id'] : $apiRequest['params']['uf_group_id'];
if (in_array($ufGroupId, $aclEdit) or $aclCreate) {
return TRUE;
}
break;
//CRM-16777: Disable schedule reminder with ACLs.
case 'ActionSchedule':
$events = \CRM_Event_BAO_Event::getEvents();
$aclEdit = \CRM_ACL_API::group(\CRM_Core_Permission::EDIT, NULL, 'civicrm_event', $events);
$param = array('id' => $apiRequest['params']['id']);
$eventId = \CRM_Core_BAO_ActionSchedule::retrieve($param, $value = array());
if (in_array($eventId->entity_value, $aclEdit)) {
return TRUE;
}
break;
}
return FALSE;
}
}