294 lines
9.1 KiB
PHP
294 lines
9.1 KiB
PHP
<?php
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/**
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* @author Arthur Schiwon <blizzz@owncloud.com>
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* @author Björn Schießle <schiessle@owncloud.com>
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* @author Joas Schilling <nickvergessen@owncloud.com>
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* @author Morris Jobke <hey@morrisjobke.de>
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*
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* @copyright Copyright (c) 2015, ownCloud, Inc.
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* @license AGPL-3.0
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*
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* This code is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License, version 3,
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License, version 3,
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*
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*/
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namespace OCA\Files_Sharing\API;
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use OCA\Files_Sharing\Activity;
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class Server2Server {
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/**
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* create a new share
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*
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* @param array $params
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* @return \OC_OCS_Result
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*/
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public function createShare($params) {
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if (!$this->isS2SEnabled(true)) {
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return new \OC_OCS_Result(null, 503, 'Server does not support federated cloud sharing');
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}
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$remote = isset($_POST['remote']) ? $_POST['remote'] : null;
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$token = isset($_POST['token']) ? $_POST['token'] : null;
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$name = isset($_POST['name']) ? $_POST['name'] : null;
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$owner = isset($_POST['owner']) ? $_POST['owner'] : null;
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$shareWith = isset($_POST['shareWith']) ? $_POST['shareWith'] : null;
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$remoteId = isset($_POST['remoteId']) ? (int)$_POST['remoteId'] : null;
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if ($remote && $token && $name && $owner && $remoteId && $shareWith) {
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if(!\OCP\Util::isValidFileName($name)) {
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return new \OC_OCS_Result(null, 400, 'The mountpoint name contains invalid characters.');
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}
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\OCP\Util::writeLog('files_sharing', 'shareWith before, ' . $shareWith, \OCP\Util::DEBUG);
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\OCP\Util::emitHook(
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'\OCA\Files_Sharing\API\Server2Server',
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'preLoginNameUsedAsUserName',
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array('uid' => &$shareWith)
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);
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\OCP\Util::writeLog('files_sharing', 'shareWith after, ' . $shareWith, \OCP\Util::DEBUG);
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if (!\OCP\User::userExists($shareWith)) {
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return new \OC_OCS_Result(null, 400, 'User does not exists');
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}
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\OC_Util::setupFS($shareWith);
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$externalManager = new \OCA\Files_Sharing\External\Manager(
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\OC::$server->getDatabaseConnection(),
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\OC\Files\Filesystem::getMountManager(),
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\OC\Files\Filesystem::getLoader(),
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\OC::$server->getHTTPHelper(),
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\OC::$server->getNotificationManager(),
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$shareWith
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);
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try {
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$externalManager->addShare($remote, $token, '', $name, $owner, false, $shareWith, $remoteId);
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$user = $owner . '@' . $this->cleanupRemote($remote);
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\OC::$server->getActivityManager()->publishActivity(
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Activity::FILES_SHARING_APP, Activity::SUBJECT_REMOTE_SHARE_RECEIVED, array($user, trim($name, '/')), '', array(),
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'', '', $shareWith, Activity::TYPE_REMOTE_SHARE, Activity::PRIORITY_LOW);
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/**
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* FIXME
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$urlGenerator = \OC::$server->getURLGenerator();
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$notificationManager = \OC::$server->getNotificationManager();
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$notification = $notificationManager->createNotification();
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$notification->setApp('files_sharing')
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->setUser($shareWith)
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->setTimestamp(time())
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->setObject('remote_share', $remoteId)
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->setSubject('remote_share', [$user, trim($name, '/')]);
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$declineAction = $notification->createAction();
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$declineAction->setLabel('decline')
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->setLink($urlGenerator->getAbsoluteURL('/ocs/v1.php/apps/files_sharing/api/v1/remote_shares/' . $remoteId), 'DELETE');
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$notification->addAction($declineAction);
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$acceptAction = $notification->createAction();
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$acceptAction->setLabel('accept')
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->setLink($urlGenerator->getAbsoluteURL('/ocs/v1.php/apps/files_sharing/api/v1/remote_shares/' . $remoteId), 'POST');
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$notification->addAction($acceptAction);
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$notificationManager->notify($notification);
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*/
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return new \OC_OCS_Result();
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} catch (\Exception $e) {
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\OCP\Util::writeLog('files_sharing', 'server can not add remote share, ' . $e->getMessage(), \OCP\Util::ERROR);
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return new \OC_OCS_Result(null, 500, 'internal server error, was not able to add share from ' . $remote);
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}
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}
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return new \OC_OCS_Result(null, 400, 'server can not add remote share, missing parameter');
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}
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/**
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* accept server-to-server share
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*
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* @param array $params
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* @return \OC_OCS_Result
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*/
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public function acceptShare($params) {
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if (!$this->isS2SEnabled()) {
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return new \OC_OCS_Result(null, 503, 'Server does not support federated cloud sharing');
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}
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$id = $params['id'];
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$token = isset($_POST['token']) ? $_POST['token'] : null;
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$share = self::getShare($id, $token);
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if ($share) {
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list($file, $link) = self::getFile($share['uid_owner'], $share['file_source']);
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$event = \OC::$server->getActivityManager()->generateEvent();
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$event->setApp(Activity::FILES_SHARING_APP)
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->setType(Activity::TYPE_REMOTE_SHARE)
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->setAffectedUser($share['uid_owner'])
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->setSubject(Activity::SUBJECT_REMOTE_SHARE_ACCEPTED, [$share['share_with'], basename($file)])
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->setObject('files', $share['file_source'], $file)
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->setLink($link);
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\OC::$server->getActivityManager()->publish($event);
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}
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return new \OC_OCS_Result();
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}
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/**
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* decline server-to-server share
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*
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* @param array $params
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* @return \OC_OCS_Result
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*/
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public function declineShare($params) {
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if (!$this->isS2SEnabled()) {
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return new \OC_OCS_Result(null, 503, 'Server does not support federated cloud sharing');
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}
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$id = $params['id'];
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$token = isset($_POST['token']) ? $_POST['token'] : null;
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$share = $this->getShare($id, $token);
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if ($share) {
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// userId must be set to the user who unshares
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\OCP\Share::unshare($share['item_type'], $share['item_source'], $share['share_type'], null, $share['uid_owner']);
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list($file, $link) = $this->getFile($share['uid_owner'], $share['file_source']);
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$event = \OC::$server->getActivityManager()->generateEvent();
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$event->setApp(Activity::FILES_SHARING_APP)
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->setType(Activity::TYPE_REMOTE_SHARE)
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->setAffectedUser($share['uid_owner'])
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->setSubject(Activity::SUBJECT_REMOTE_SHARE_DECLINED, [$share['share_with'], basename($file)])
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->setObject('files', $share['file_source'], $file)
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->setLink($link);
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\OC::$server->getActivityManager()->publish($event);
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}
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return new \OC_OCS_Result();
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}
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/**
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* remove server-to-server share if it was unshared by the owner
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*
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* @param array $params
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* @return \OC_OCS_Result
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*/
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public function unshare($params) {
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if (!$this->isS2SEnabled()) {
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return new \OC_OCS_Result(null, 503, 'Server does not support federated cloud sharing');
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}
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$id = $params['id'];
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$token = isset($_POST['token']) ? $_POST['token'] : null;
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$query = \OCP\DB::prepare('SELECT * FROM `*PREFIX*share_external` WHERE `remote_id` = ? AND `share_token` = ?');
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$query->execute(array($id, $token));
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$share = $query->fetchRow();
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if ($token && $id && !empty($share)) {
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$remote = $this->cleanupRemote($share['remote']);
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$owner = $share['owner'] . '@' . $remote;
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$mountpoint = $share['mountpoint'];
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$user = $share['user'];
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$query = \OCP\DB::prepare('DELETE FROM `*PREFIX*share_external` WHERE `remote_id` = ? AND `share_token` = ?');
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$query->execute(array($id, $token));
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if ($share['accepted']) {
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$path = trim($mountpoint, '/');
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} else {
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$path = trim($share['name'], '/');
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}
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\OC::$server->getActivityManager()->publishActivity(
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Activity::FILES_SHARING_APP, Activity::SUBJECT_REMOTE_SHARE_UNSHARED, array($owner, $path), '', array(),
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'', '', $user, Activity::TYPE_REMOTE_SHARE, Activity::PRIORITY_MEDIUM);
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}
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return new \OC_OCS_Result();
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}
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private function cleanupRemote($remote) {
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$remote = substr($remote, strpos($remote, '://') + 3);
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return rtrim($remote, '/');
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}
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/**
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* get share
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*
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* @param int $id
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* @param string $token
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* @return array
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*/
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private function getShare($id, $token) {
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$query = \OCP\DB::prepare('SELECT * FROM `*PREFIX*share` WHERE `id` = ? AND `token` = ? AND `share_type` = ?');
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$query->execute(array($id, $token, \OCP\Share::SHARE_TYPE_REMOTE));
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$share = $query->fetchRow();
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return $share;
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}
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/**
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* get file
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*
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* @param string $user
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* @param int $fileSource
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* @return array with internal path of the file and a absolute link to it
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*/
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private function getFile($user, $fileSource) {
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\OC_Util::setupFS($user);
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$file = \OC\Files\Filesystem::getPath($fileSource);
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$args = \OC\Files\Filesystem::is_dir($file) ? array('dir' => $file) : array('dir' => dirname($file), 'scrollto' => $file);
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$link = \OCP\Util::linkToAbsolute('files', 'index.php', $args);
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return array($file, $link);
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}
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/**
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* check if server-to-server sharing is enabled
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*
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* @param bool $incoming
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* @return bool
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*/
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private function isS2SEnabled($incoming = false) {
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$result = \OCP\App::isEnabled('files_sharing');
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if ($incoming) {
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$result = $result && \OCA\Files_Sharing\Helper::isIncomingServer2serverShareEnabled();
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} else {
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$result = $result && \OCA\Files_Sharing\Helper::isOutgoingServer2serverShareEnabled();
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}
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return $result;
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}
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}
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