namespace OC\Core;
+use OC\Core\Notification\RemoveLinkSharesNotifier;
use OC\DB\MissingIndexInformation;
use OC\DB\SchemaWrapper;
use OCP\AppFramework\App;
$server = $container->getServer();
$eventDispatcher = $server->getEventDispatcher();
+ $notificationManager = $server->getNotificationManager();
+ $notificationManager->registerNotifier(function() use ($server) {
+ return new RemoveLinkSharesNotifier(
+ $server->getL10NFactory()
+ );
+ }, function() use ($server) {
+ return [
+ 'id' => 'core',
+ 'name' => 'core',
+ ];
+ });
+
$eventDispatcher->addListener(IDBConnection::CHECK_MISSING_INDEXES_EVENT,
function(GenericEvent $event) use ($container) {
/** @var MissingIndexInformation $subject */
--- /dev/null
+<?php
+declare(strict_types=1);
+/**
+ * @copyright Copyright (c) 2019, 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\Core\Notification;
+
+use OCP\L10N\IFactory;
+use OCP\Notification\INotification;
+use OCP\Notification\INotifier;
+
+class RemoveLinkSharesNotifier implements INotifier {
+ /** @var IFactory */
+ private $l10nFactory;
+
+ public function __construct(IFactory $factory) {
+ $this->l10nFactory = $factory;
+ }
+
+ public function prepare(INotification $notification, $languageCode): INotification {
+ if($notification->getApp() !== 'core') {
+ throw new \InvalidArgumentException();
+ }
+ $l = $this->l10nFactory->get('core', $languageCode);
+
+ if ($notification->getSubject() === 'repair_exposing_links') {
+ $notification->setParsedSubject($l->t('Some of your link shares have been removed'));
+ $notification->setParsedMessage($l->t('Due to a security bug we had to remove some of your link shares. Please see the link for more information.'));
+ $notification->setLink('https://nextcloud.com/security/advisory/?id=NC-SA-2019-003');
+ return $notification;
+ }
+
+ throw new \InvalidArgumentException('Invalid subject');
+ }
+
+}
'OC\\Core\\Migrations\\Version15000Date20181029084625' => $baseDir . '/core/Migrations/Version15000Date20181029084625.php',
'OC\\Core\\Migrations\\Version16000Date20190207141427' => $baseDir . '/core/Migrations/Version16000Date20190207141427.php',
'OC\\Core\\Migrations\\Version16000Date20190212081545' => $baseDir . '/core/Migrations/Version16000Date20190212081545.php',
+ 'OC\\Core\\Notification\\RemoveLinkSharesNotifier' => $baseDir . '/core/Notification/RemoveLinkSharesNotifier.php',
'OC\\Core\\Service\\LoginFlowV2Service' => $baseDir . '/core/Service/LoginFlowV2Service.php',
'OC\\DB\\Adapter' => $baseDir . '/lib/private/DB/Adapter.php',
'OC\\DB\\AdapterMySQL' => $baseDir . '/lib/private/DB/AdapterMySQL.php',
'OC\\Repair\\OldGroupMembershipShares' => $baseDir . '/lib/private/Repair/OldGroupMembershipShares.php',
'OC\\Repair\\Owncloud\\DropAccountTermsTable' => $baseDir . '/lib/private/Repair/Owncloud/DropAccountTermsTable.php',
'OC\\Repair\\Owncloud\\SaveAccountsTableData' => $baseDir . '/lib/private/Repair/Owncloud/SaveAccountsTableData.php',
+ 'OC\\Repair\\RemoveLinkShares' => $baseDir . '/lib/private/Repair/RemoveLinkShares.php',
'OC\\Repair\\RemoveRootShares' => $baseDir . '/lib/private/Repair/RemoveRootShares.php',
'OC\\Repair\\RepairInvalidShares' => $baseDir . '/lib/private/Repair/RepairInvalidShares.php',
'OC\\Repair\\RepairMimeTypes' => $baseDir . '/lib/private/Repair/RepairMimeTypes.php',
'OC\\Core\\Migrations\\Version15000Date20181029084625' => __DIR__ . '/../../..' . '/core/Migrations/Version15000Date20181029084625.php',
'OC\\Core\\Migrations\\Version16000Date20190207141427' => __DIR__ . '/../../..' . '/core/Migrations/Version16000Date20190207141427.php',
'OC\\Core\\Migrations\\Version16000Date20190212081545' => __DIR__ . '/../../..' . '/core/Migrations/Version16000Date20190212081545.php',
+ 'OC\\Core\\Notification\\RemoveLinkSharesNotifier' => __DIR__ . '/../../..' . '/core/Notification/RemoveLinkSharesNotifier.php',
'OC\\Core\\Service\\LoginFlowV2Service' => __DIR__ . '/../../..' . '/core/Service/LoginFlowV2Service.php',
'OC\\DB\\Adapter' => __DIR__ . '/../../..' . '/lib/private/DB/Adapter.php',
'OC\\DB\\AdapterMySQL' => __DIR__ . '/../../..' . '/lib/private/DB/AdapterMySQL.php',
'OC\\Repair\\OldGroupMembershipShares' => __DIR__ . '/../../..' . '/lib/private/Repair/OldGroupMembershipShares.php',
'OC\\Repair\\Owncloud\\DropAccountTermsTable' => __DIR__ . '/../../..' . '/lib/private/Repair/Owncloud/DropAccountTermsTable.php',
'OC\\Repair\\Owncloud\\SaveAccountsTableData' => __DIR__ . '/../../..' . '/lib/private/Repair/Owncloud/SaveAccountsTableData.php',
+ 'OC\\Repair\\RemoveLinkShares' => __DIR__ . '/../../..' . '/lib/private/Repair/RemoveLinkShares.php',
'OC\\Repair\\RemoveRootShares' => __DIR__ . '/../../..' . '/lib/private/Repair/RemoveRootShares.php',
'OC\\Repair\\RepairInvalidShares' => __DIR__ . '/../../..' . '/lib/private/Repair/RepairInvalidShares.php',
'OC\\Repair\\RepairMimeTypes' => __DIR__ . '/../../..' . '/lib/private/Repair/RepairMimeTypes.php',
use OC\Repair\OldGroupMembershipShares;
use OC\Repair\Owncloud\DropAccountTermsTable;
use OC\Repair\Owncloud\SaveAccountsTableData;
+use OC\Repair\RemoveLinkShares;
use OC\Repair\RemoveRootShares;
use OC\Repair\RepairInvalidShares;
use OC\Repair\RepairMimeTypes;
use OC\Template\JSCombiner;
use OC\Template\SCSSCacher;
use OCP\AppFramework\QueryException;
+use OCP\AppFramework\Utility\ITimeFactory;
use OCP\Migration\IOutput;
use OCP\Migration\IRepairStep;
use Symfony\Component\EventDispatcher\EventDispatcherInterface;
new SetVcardDatabaseUID(\OC::$server->getDatabaseConnection(), \OC::$server->getConfig(), \OC::$server->getLogger()),
new CleanupCardDAVPhotoCache(\OC::$server->getConfig(), \OC::$server->getAppDataDir('dav-photocache'), \OC::$server->getLogger()),
new AddClenupLoginFlowV2BackgroundJob(\OC::$server->getJobList()),
+ new RemoveLinkShares(\OC::$server->getDatabaseConnection(), \OC::$server->getConfig(), \OC::$server->getGroupManager(), \OC::$server->getNotificationManager(), \OC::$server->query(ITimeFactory::class)),
];
}
--- /dev/null
+<?php
+declare(strict_types=1);
+/**
+ * @copyright Copyright (c) 2019, 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\Repair;
+
+use Doctrine\DBAL\Driver\Statement;
+use OCP\AppFramework\Utility\ITimeFactory;
+use OCP\IConfig;
+use OCP\IDBConnection;
+use OCP\IGroupManager;
+use OCP\Migration\IOutput;
+use OCP\Migration\IRepairStep;
+use OCP\Notification\IManager;
+
+class RemoveLinkShares implements IRepairStep {
+ /** @var IDBConnection */
+ private $connection;
+ /** @var IConfig */
+ private $config;
+ /** @var string[] */
+ private $userToNotify = [];
+ /** @var IGroupManager */
+ private $groupManager;
+ /** @var IManager */
+ private $notificationManager;
+ /** @var ITimeFactory */
+ private $timeFactory;
+
+ public function __construct(IDBConnection $connection,
+ IConfig $config,
+ IGroupManager $groupManager,
+ IManager $notificationManager,
+ ITimeFactory $timeFactory) {
+ $this->connection = $connection;
+ $this->config = $config;
+ $this->groupManager = $groupManager;
+ $this->notificationManager = $notificationManager;
+ $this->timeFactory = $timeFactory;
+ }
+
+
+ public function getName(): string {
+ return 'Remove potentially over exposing share links';
+ }
+
+ private function shouldRun(): bool {
+ $versionFromBeforeUpdate = $this->config->getSystemValue('version', '0.0.0');
+
+ if (version_compare($versionFromBeforeUpdate, '14.0.11', '<')) {
+ return true;
+ }
+ if (version_compare($versionFromBeforeUpdate, '15.0.8', '<')) {
+ return true;
+ }
+ if (version_compare($versionFromBeforeUpdate, '16.0.0', '<=')) {
+ return true;
+ }
+
+ return false;
+ }
+
+ /**
+ * Delete the share
+ *
+ * @param int $id
+ */
+ private function deleteShare(int $id) {
+ $qb = $this->connection->getQueryBuilder();
+ $qb->delete('share')
+ ->where($qb->expr()->eq('id', $qb->createNamedParameter($id)));
+ $qb->execute();
+ }
+
+ /**
+ * Get the total of affected shares
+ *
+ * @return int
+ */
+ private function getTotal(): int {
+ $sql = 'SELECT COUNT(*) AS `total`
+ FROM `*PREFIX*share`
+ WHERE `id` IN (
+ SELECT `s1`.`id`
+ FROM (
+ SELECT *
+ FROM `*PREFIX*share`
+ WHERE `parent` IS NOT NULL
+ AND `share_type` = 3
+ ) AS s1
+ JOIN `*PREFIX*share` AS s2
+ ON `s1`.`parent` = `s2`.`id`
+ WHERE (`s2`.`share_type` = 1 OR `s2`.`share_type` = 2)
+ AND `s1`.`item_source` = `s2`.`item_source`
+ )';
+ $cursor = $this->connection->executeQuery($sql);
+ $data = $cursor->fetchAll();
+ $total = (int)$data[0]['total'];
+ $cursor->closeCursor();
+
+ return $total;
+ }
+
+ /**
+ * Get the cursor to fetch all the shares
+ *
+ * @return \Doctrine\DBAL\Driver\Statement
+ */
+ private function getShares(): Statement {
+ $sql = 'SELECT `s1`.`id`, `s1`.`uid_owner`, `s1`.`uid_initiator`
+ FROM (
+ SELECT *
+ FROM `*PREFIX*share`
+ WHERE `parent` IS NOT NULL
+ AND `share_type` = 3
+ ) AS s1
+ JOIN `*PREFIX*share` AS s2
+ ON `s1`.`parent` = `s2`.`id`
+ WHERE (`s2`.`share_type` = 1 OR `s2`.`share_type` = 2)
+ AND `s1`.`item_source` = `s2`.`item_source`';
+ $cursor = $this->connection->executeQuery($sql);
+ return $cursor;
+ }
+
+ /**
+ * Process a single share
+ *
+ * @param array $data
+ */
+ private function processShare(array $data) {
+ $id = $data['id'];
+
+ $this->addToNotify($data['uid_owner']);
+ $this->addToNotify($data['uid_initiator']);
+
+ $this->deleteShare((int)$id);
+ }
+
+ /**
+ * Update list of users to notify
+ *
+ * @param string $uid
+ */
+ private function addToNotify(string $uid) {
+ if (!isset($this->userToNotify[$uid])) {
+ $this->userToNotify[$uid] = true;
+ }
+ }
+
+ /**
+ * Send all notifications
+ */
+ private function sendNotification() {
+ $time = $this->timeFactory->getDateTime();
+
+ $notification = $this->notificationManager->createNotification();
+ $notification->setApp('core')
+ ->setDateTime($time)
+ ->setObject('repair', 'exposing_links')
+ ->setSubject('repair_exposing_links', []);
+
+ $users = array_keys($this->userToNotify);
+ foreach ($users as $user) {
+ $notification->setUser($user);
+ $this->notificationManager->notify($notification);
+ }
+ }
+
+ private function repair(IOutput $output) {
+ $total = $this->getTotal();
+ $output->startProgress($total);
+
+ $shareCursor = $this->getShares();
+ while($data = $shareCursor->fetch()) {
+ $this->processShare($data);
+ $output->advance();
+ }
+ $output->finishProgress();
+ $shareCursor->closeCursor();
+
+ // Notifiy all admins
+ $adminGroup = $this->groupManager->get('admin');
+ $adminUsers = $adminGroup->getUsers();
+ foreach ($adminUsers as $user) {
+ $this->addToNotify($user->getUID());
+ }
+
+ $output->info('Sending notifications to admins and affected users');
+ $this->sendNotification();
+ }
+
+ public function run(IOutput $output) {
+ if ($this->shouldRun()) {
+ $output->info('Removing potentially over exposing link shares');
+ $this->repair($output);
+ $output->info('Removed potentially over exposing link shares');
+ } else {
+ $output->info('No need to remove link shares.');
+ }
+ }
+}
// between betas, final and RCs. This is _not_ the public version number. Reset minor/patchlevel
// when updating major/minor version number.
-$OC_Version = array(16, 0, 0, 6);
+$OC_Version = array(16, 0, 0, 7);
// The human readable string
$OC_VersionString = '16.0.0 RC 1';
projects / nextcloud-server.git / commitdiff