diff options
Diffstat (limited to 'apps/files_sharing/lib/Migration.php')
-rw-r--r-- | apps/files_sharing/lib/Migration.php | 308 |
1 files changed, 0 insertions, 308 deletions
diff --git a/apps/files_sharing/lib/Migration.php b/apps/files_sharing/lib/Migration.php deleted file mode 100644 index 49e275cbe6e..00000000000 --- a/apps/files_sharing/lib/Migration.php +++ /dev/null @@ -1,308 +0,0 @@ -<?php -/** - * @copyright Copyright (c) 2016, ownCloud, Inc. - * - * @author Björn Schießle <bjoern@schiessle.org> - * @author Morris Jobke <hey@morrisjobke.de> - * @author Robin Appelman <robin@icewind.nl> - * @author Roeland Jago Douma <roeland@famdouma.nl> - * - * @license AGPL-3.0 - * - * This code is free software: you can redistribute it and/or modify - * it under the terms of the GNU Affero General Public License, version 3, - * as published by the Free Software Foundation. - * - * 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, version 3, - * along with this program. If not, see <http://www.gnu.org/licenses/> - * - */ - -namespace OCA\Files_Sharing; - -use Doctrine\DBAL\Connection; -use OCP\ICache; -use OCP\IConfig; -use OCP\IDBConnection; -use OC\Cache\CappedMemoryCache; - -/** - * Class Migration - * - * @package OCA\Files_Sharing - * @group DB - */ -class Migration { - - /** @var IDBConnection */ - private $connection; - - /** @var IConfig */ - private $config; - - /** @var ICache with all shares we already saw */ - private $shareCache; - - /** @var string */ - private $table = 'share'; - - public function __construct(IDBConnection $connection, IConfig $config) { - $this->connection = $connection; - $this->config = $config; - - // We cache up to 10k share items (~20MB) - $this->shareCache = new CappedMemoryCache(10000); - } - - /** - * move all re-shares to the owner in order to have a flat list of shares - * upgrade from oC 8.2 to 9.0 with the new sharing - */ - public function removeReShares() { - - $stmt = $this->getReShares(); - - $owners = []; - while($share = $stmt->fetch()) { - - $this->shareCache[$share['id']] = $share; - - $owners[$share['id']] = [ - 'owner' => $this->findOwner($share), - 'initiator' => $share['uid_owner'], - 'type' => $share['share_type'], - ]; - - if (count($owners) === 1000) { - $this->updateOwners($owners); - $owners = []; - } - } - - $stmt->closeCursor(); - - if (count($owners)) { - $this->updateOwners($owners); - } - } - - /** - * update all owner information so that all shares have an owner - * and an initiator for the upgrade from oC 8.2 to 9.0 with the new sharing - */ - public function updateInitiatorInfo() { - while (true) { - $shares = $this->getMissingInitiator(1000); - - if (empty($shares)) { - break; - } - - $owners = []; - foreach ($shares as $share) { - $owners[$share['id']] = [ - 'owner' => $share['uid_owner'], - 'initiator' => $share['uid_owner'], - 'type' => $share['share_type'], - ]; - } - $this->updateOwners($owners); - } - } - - /** - * this was dropped for Nextcloud 11 in favour of share by mail - */ - public function removeSendMailOption() { - $this->config->deleteAppValue('core', 'shareapi_allow_mail_notification'); - $this->config->deleteAppValue('core', 'shareapi_allow_public_notification'); - } - - public function addPasswordColumn() { - $query = $this->connection->getQueryBuilder(); - $query - ->update('share') - ->set('password', 'share_with') - ->where($query->expr()->eq('share_type', $query->createNamedParameter(\OCP\Share::SHARE_TYPE_LINK))) - ->andWhere($query->expr()->isNotNull('share_with')); - $query->execute(); - - $clearQuery = $this->connection->getQueryBuilder(); - $clearQuery - ->update('share')->set('share_with', $clearQuery->createNamedParameter(null)) - ->where($clearQuery->expr()->eq('share_type', $clearQuery->createNamedParameter(\OCP\Share::SHARE_TYPE_LINK))); - - $clearQuery->execute(); - - } - - /** - * find the owner of a re-shared file/folder - * - * @param array $share - * @return array - */ - private function findOwner($share) { - $currentShare = $share; - while(!is_null($currentShare['parent'])) { - if (isset($this->shareCache[$currentShare['parent']])) { - $currentShare = $this->shareCache[$currentShare['parent']]; - } else { - $currentShare = $this->getShare((int)$currentShare['parent']); - $this->shareCache[$currentShare['id']] = $currentShare; - } - } - - return $currentShare['uid_owner']; - } - - /** - * Get $n re-shares from the database - * - * @param int $n The max number of shares to fetch - * @return \Doctrine\DBAL\Driver\Statement - */ - private function getReShares() { - $query = $this->connection->getQueryBuilder(); - $query->select(['id', 'parent', 'uid_owner', 'share_type']) - ->from($this->table) - ->where($query->expr()->in( - 'share_type', - $query->createNamedParameter( - [ - \OCP\Share::SHARE_TYPE_USER, - \OCP\Share::SHARE_TYPE_GROUP, - \OCP\Share::SHARE_TYPE_LINK, - \OCP\Share::SHARE_TYPE_REMOTE, - ], - Connection::PARAM_INT_ARRAY - ) - )) - ->andWhere($query->expr()->in( - 'item_type', - $query->createNamedParameter( - ['file', 'folder'], - Connection::PARAM_STR_ARRAY - ) - )) - ->andWhere($query->expr()->isNotNull('parent')) - ->orderBy('id', 'asc'); - return $query->execute(); - - - $shares = $result->fetchAll(); - $result->closeCursor(); - - $ordered = []; - foreach ($shares as $share) { - $ordered[(int)$share['id']] = $share; - } - - return $ordered; - } - - /** - * Get $n re-shares from the database - * - * @param int $n The max number of shares to fetch - * @return array - */ - private function getMissingInitiator($n = 1000) { - $query = $this->connection->getQueryBuilder(); - $query->select(['id', 'uid_owner', 'share_type']) - ->from($this->table) - ->where($query->expr()->in( - 'share_type', - $query->createNamedParameter( - [ - \OCP\Share::SHARE_TYPE_USER, - \OCP\Share::SHARE_TYPE_GROUP, - \OCP\Share::SHARE_TYPE_LINK, - \OCP\Share::SHARE_TYPE_REMOTE, - ], - Connection::PARAM_INT_ARRAY - ) - )) - ->andWhere($query->expr()->in( - 'item_type', - $query->createNamedParameter( - ['file', 'folder'], - Connection::PARAM_STR_ARRAY - ) - )) - ->andWhere($query->expr()->isNull('uid_initiator')) - ->orderBy('id', 'asc') - ->setMaxResults($n); - $result = $query->execute(); - $shares = $result->fetchAll(); - $result->closeCursor(); - - $ordered = []; - foreach ($shares as $share) { - $ordered[(int)$share['id']] = $share; - } - - return $ordered; - } - - /** - * get a specific share - * - * @param int $id - * @return array - */ - private function getShare($id) { - $query = $this->connection->getQueryBuilder(); - $query->select(['id', 'parent', 'uid_owner']) - ->from($this->table) - ->where($query->expr()->eq('id', $query->createNamedParameter($id))); - $result = $query->execute(); - $share = $result->fetchAll(); - $result->closeCursor(); - - return $share[0]; - } - - /** - * update database with the new owners - * - * @param array $owners - * @throws \Exception - */ - private function updateOwners($owners) { - - $this->connection->beginTransaction(); - - try { - - foreach ($owners as $id => $owner) { - $query = $this->connection->getQueryBuilder(); - $query->update($this->table) - ->set('uid_owner', $query->createNamedParameter($owner['owner'])) - ->set('uid_initiator', $query->createNamedParameter($owner['initiator'])); - - - if ((int)$owner['type'] !== \OCP\Share::SHARE_TYPE_LINK) { - $query->set('parent', $query->createNamedParameter(null)); - } - - $query->where($query->expr()->eq('id', $query->createNamedParameter($id))); - - $query->execute(); - } - - $this->connection->commit(); - - } catch (\Exception $e) { - $this->connection->rollBack(); - throw $e; - } - - } - -} |