nextcloud/lib/private/Share20/LegacyHooks.php

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<?php
/**
* @copyright 2017, Roeland Jago Douma <roeland@famdouma.nl>
*
* @author Roeland Jago Douma <roeland@famdouma.nl>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program 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
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace OC\Share20;
use OCP\Files\File;
use OCP\Share\IShare;
use Symfony\Component\EventDispatcher\EventDispatcher;
use Symfony\Component\EventDispatcher\GenericEvent;
class LegacyHooks {
/** @var EventDispatcher */
private $eventDispatcher;
/**
* LegacyHooks constructor.
*
* @param EventDispatcher $eventDispatcher
*/
public function __construct(EventDispatcher $eventDispatcher) {
$this->eventDispatcher = $eventDispatcher;
$this->eventDispatcher->addListener('OCP\Share::preUnshare', [$this, 'preUnshare']);
$this->eventDispatcher->addListener('OCP\Share::postUnshare', [$this, 'postUnshare']);
$this->eventDispatcher->addListener('OCP\Share::postUnshareFromSelf', [$this, 'postUnshareFromSelf']);
$this->eventDispatcher->addListener('OCP\Share::preShare', [$this, 'preShare']);
$this->eventDispatcher->addListener('OCP\Share::postShare', [$this, 'postShare']);
}
/**
* @param GenericEvent $e
*/
public function preUnshare(GenericEvent $e) {
/** @var IShare $share */
$share = $e->getSubject();
$formatted = $this->formatHookParams($share);
\OC_Hook::emit('OCP\Share', 'pre_unshare', $formatted);
}
/**
* @param GenericEvent $e
*/
public function postUnshare(GenericEvent $e) {
/** @var IShare $share */
$share = $e->getSubject();
$formatted = $this->formatHookParams($share);
/** @var IShare[] $deletedShares */
$deletedShares = $e->getArgument('deletedShares');
$formattedDeletedShares = array_map(function($share) {
return $this->formatHookParams($share);
}, $deletedShares);
$formatted['deletedShares'] = $formattedDeletedShares;
\OC_Hook::emit('OCP\Share', 'post_unshare', $formatted);
}
/**
* @param GenericEvent $e
*/
public function postUnshareFromSelf(GenericEvent $e) {
/** @var IShare $share */
$share = $e->getSubject();
$formatted = $this->formatHookParams($share);
$formatted['itemTarget'] = $formatted['fileTarget'];
$formatted['unsharedItems'] = [$formatted];
\OC_Hook::emit('OCP\Share', 'post_unshareFromSelf', $formatted);
}
private function formatHookParams(IShare $share) {
// Prepare hook
$shareType = $share->getShareType();
$sharedWith = '';
if ($shareType === \OCP\Share::SHARE_TYPE_USER ||
$shareType === \OCP\Share::SHARE_TYPE_GROUP ||
$shareType === \OCP\Share::SHARE_TYPE_REMOTE) {
$sharedWith = $share->getSharedWith();
}
$hookParams = [
'id' => $share->getId(),
'itemType' => $share->getNodeType(),
'itemSource' => $share->getNodeId(),
'shareType' => $shareType,
'shareWith' => $sharedWith,
'itemparent' => method_exists($share, 'getParent') ? $share->getParent() : '',
'uidOwner' => $share->getSharedBy(),
'fileSource' => $share->getNodeId(),
'fileTarget' => $share->getTarget()
];
return $hookParams;
}
public function preShare(GenericEvent $e) {
/** @var IShare $share */
$share = $e->getSubject();
// Pre share hook
$run = true;
$error = '';
$preHookData = [
'itemType' => $share->getNode() instanceof File ? 'file' : 'folder',
'itemSource' => $share->getNode()->getId(),
'shareType' => $share->getShareType(),
'uidOwner' => $share->getSharedBy(),
'permissions' => $share->getPermissions(),
'fileSource' => $share->getNode()->getId(),
'expiration' => $share->getExpirationDate(),
'token' => $share->getToken(),
'itemTarget' => $share->getTarget(),
'shareWith' => $share->getSharedWith(),
'run' => &$run,
'error' => &$error,
];
\OC_Hook::emit('OCP\Share', 'pre_shared', $preHookData);
if ($run === false) {
$e->setArgument('error', $error);
$e->stopPropagation();
}
return $e;
}
public function postShare(GenericEvent $e) {
/** @var IShare $share */
$share = $e->getSubject();
$postHookData = [
'itemType' => $share->getNode() instanceof File ? 'file' : 'folder',
'itemSource' => $share->getNode()->getId(),
'shareType' => $share->getShareType(),
'uidOwner' => $share->getSharedBy(),
'permissions' => $share->getPermissions(),
'fileSource' => $share->getNode()->getId(),
'expiration' => $share->getExpirationDate(),
'token' => $share->getToken(),
'id' => $share->getId(),
'shareWith' => $share->getSharedWith(),
'itemTarget' => $share->getTarget(),
'fileTarget' => $share->getTarget(),
];
\OC_Hook::emit('OCP\Share', 'post_shared', $postHookData);
}
}