386 lines
10 KiB
PHP
386 lines
10 KiB
PHP
<?php
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/**
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* @author Roeland Jago Douma <rullzer@owncloud.com>
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*
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* @copyright Copyright (c) 2016, 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 OC\Share20;
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use OC\Share20\Exception\ShareNotFound;
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use OC\Share20\Exception\BackendError;
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use OCP\IUser;
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use OCP\IGroupManager;
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use OCP\IUserManager;
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use OCP\Files\IRootFolder;
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use OCP\IDBConnection;
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use OCP\Files\Node;
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/**
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* Class DefaultShareProvider
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*
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* @package OC\Share20
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*/
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class DefaultShareProvider implements IShareProvider {
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// Special share type for user modified group shares
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const SHARE_TYPE_USERGROUP = 2;
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/** @var IDBConnection */
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private $dbConn;
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/** @var IUserManager */
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private $userManager;
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/** @var IGroupManager */
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private $groupManager;
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/** @var IRootFolder */
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private $rootFolder;
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/**
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* DefaultShareProvider constructor.
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*
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* @param IDBConnection $connection
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* @param IUserManager $userManager
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* @param IGroupManager $groupManager
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* @param IRootFolder $rootFolder
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*/
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public function __construct(
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IDBConnection $connection,
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IUserManager $userManager,
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IGroupManager $groupManager,
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IRootFolder $rootFolder) {
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$this->dbConn = $connection;
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$this->userManager = $userManager;
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$this->groupManager = $groupManager;
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$this->rootFolder = $rootFolder;
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}
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/**
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* Return the identifier of this provider.
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*
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* @return string Containing only [a-zA-Z0-9]
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*/
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public function identifier() {
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return 'ocinternal';
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}
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/**
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* Share a path
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*
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* @param IShare $share
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* @return IShare The share object
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* @throws ShareNotFound
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* @throws \Exception
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*/
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public function create(IShare $share) {
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$qb = $this->dbConn->getQueryBuilder();
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$qb->insert('share');
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$qb->setValue('share_type', $qb->createNamedParameter($share->getShareType()));
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if ($share->getShareType() === \OCP\Share::SHARE_TYPE_USER) {
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//Set the UID of the user we share with
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$qb->setValue('share_with', $qb->createNamedParameter($share->getSharedWith()->getUID()));
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} else if ($share->getShareType() === \OCP\Share::SHARE_TYPE_GROUP) {
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//Set the GID of the group we share with
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$qb->setValue('share_with', $qb->createNamedParameter($share->getSharedWith()->getGID()));
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} else if ($share->getShareType() === \OCP\Share::SHARE_TYPE_LINK) {
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//Set the token of the share
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$qb->setValue('token', $qb->createNamedParameter($share->getToken()));
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//If a password is set store it
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if ($share->getPassword() !== null) {
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$qb->setValue('share_with', $qb->createNamedParameter($share->getPassword()));
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}
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//If an expiration date is set store it
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if ($share->getExpirationDate() !== null) {
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$qb->setValue('expiration', $qb->createNamedParameter($share->getExpirationDate(), 'datetime'));
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}
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} else {
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throw new \Exception('invalid share type!');
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}
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// Set what is shares
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$qb->setValue('item_type', $qb->createParameter('itemType'));
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if ($share->getPath() instanceof \OCP\Files\File) {
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$qb->setParameter('itemType', 'file');
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} else {
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$qb->setParameter('itemType', 'folder');
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}
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// Set the file id
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$qb->setValue('item_source', $qb->createNamedParameter($share->getPath()->getId()));
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$qb->setValue('file_source', $qb->createNamedParameter($share->getPath()->getId()));
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// set the permissions
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$qb->setValue('permissions', $qb->createNamedParameter($share->getPermissions()));
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// Set who created this share
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$qb->setValue('uid_initiator', $qb->createNamedParameter($share->getSharedBy()->getUID()));
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// Set who is the owner of this file/folder (and this the owner of the share)
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$qb->setValue('uid_owner', $qb->createNamedParameter($share->getShareOwner()->getUID()));
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// Set the file target
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$qb->setValue('file_target', $qb->createNamedParameter($share->getTarget()));
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// Set the time this share was created
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$qb->setValue('stime', $qb->createNamedParameter(time()));
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// insert the data and fetch the id of the share
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$this->dbConn->beginTransaction();
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$qb->execute();
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$id = $this->dbConn->lastInsertId('*PREFIX*share');
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$this->dbConn->commit();
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// Now fetch the inserted share and create a complete share object
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$qb = $this->dbConn->getQueryBuilder();
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$qb->select('*')
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->from('*PREFIX*share')
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->where($qb->expr()->eq('id', $qb->createNamedParameter($id)));
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$cursor = $qb->execute();
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$data = $cursor->fetch();
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$cursor->closeCursor();
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if ($data === false) {
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throw new ShareNotFound();
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}
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$share = $this->createShare($data);
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return $share;
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}
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/**
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* Update a share
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*
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* @param IShare $share
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* @return IShare The share object
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*/
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public function update(IShare $share) {
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}
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/**
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* Get all children of this share
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*
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* @param IShare $parent
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* @return IShare[]
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*/
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public function getChildren(IShare $parent) {
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$children = [];
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$qb = $this->dbConn->getQueryBuilder();
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$qb->select('*')
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->from('share')
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->where($qb->expr()->eq('parent', $qb->createNamedParameter($parent->getId())))
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->andWhere(
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$qb->expr()->in(
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'share_type',
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[
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$qb->expr()->literal(\OCP\Share::SHARE_TYPE_USER),
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$qb->expr()->literal(\OCP\Share::SHARE_TYPE_GROUP),
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$qb->expr()->literal(\OCP\Share::SHARE_TYPE_LINK),
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$qb->expr()->literal(self::SHARE_TYPE_USERGROUP),
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]
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)
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)
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->orderBy('id');
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$cursor = $qb->execute();
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while($data = $cursor->fetch()) {
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$children[] = $this->createShare($data);
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}
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$cursor->closeCursor();
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return $children;
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}
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/**
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* Delete a share
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*
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* @param IShare $share
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* @throws BackendError
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*/
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public function delete(IShare $share) {
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// Fetch share to make sure it exists
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$share = $this->getShareById($share->getId());
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$qb = $this->dbConn->getQueryBuilder();
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$qb->delete('share')
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->where($qb->expr()->eq('id', $qb->createNamedParameter($share->getId())));
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try {
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$qb->execute();
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} catch (\Exception $e) {
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throw new BackendError();
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}
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}
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/**
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* Get all shares by the given user
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*
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* @param IUser $user
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* @param int $shareType
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* @param int $offset
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* @param int $limit
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* @return Share[]
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*/
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public function getShares(IUser $user, $shareType, $offset, $limit) {
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}
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/**
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* Get share by id
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*
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* @param int $id
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* @return IShare
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* @throws ShareNotFound
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*/
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public function getShareById($id) {
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$qb = $this->dbConn->getQueryBuilder();
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$qb->select('*')
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->from('share')
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->where($qb->expr()->eq('id', $qb->createNamedParameter($id)))
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->andWhere(
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$qb->expr()->in(
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'share_type',
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[
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$qb->expr()->literal(\OCP\Share::SHARE_TYPE_USER),
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$qb->expr()->literal(\OCP\Share::SHARE_TYPE_GROUP),
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$qb->expr()->literal(\OCP\Share::SHARE_TYPE_LINK),
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$qb->expr()->literal(self::SHARE_TYPE_USERGROUP),
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]
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)
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);
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$cursor = $qb->execute();
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$data = $cursor->fetch();
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$cursor->closeCursor();
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if ($data === false) {
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throw new ShareNotFound();
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}
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$share = $this->createShare($data);
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return $share;
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}
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/**
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* Get shares for a given path
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*
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* @param \OCP\Files\Node $path
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* @return IShare[]
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*/
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public function getSharesByPath(Node $path) {
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$qb = $this->dbConn->getQueryBuilder();
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$cursor = $qb->select('*')
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->from('share')
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->andWhere($qb->expr()->eq('file_source', $qb->createNamedParameter($path->getId())))
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->andWhere(
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$qb->expr()->orX(
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$qb->expr()->eq('share_type', $qb->createNamedParameter(\OCP\Share::SHARE_TYPE_USER)),
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$qb->expr()->eq('share_type', $qb->createNamedParameter(\OCP\Share::SHARE_TYPE_GROUP))
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)
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)->execute();
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$shares = [];
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while($data = $cursor->fetch()) {
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$shares[] = $this->createShare($data);
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}
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$cursor->closeCursor();
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return $shares;
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}
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/**
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* Get shared with the given user
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*
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* @param IUser $user
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* @param int $shareType
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* @param Share
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*/
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public function getSharedWithMe(IUser $user, $shareType = null) {
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}
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/**
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* Get a share by token and if present verify the password
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*
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* @param string $token
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* @param string $password
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* @param Share
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*/
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public function getShareByToken($token, $password = null) {
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}
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/**
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* Create a share object from an database row
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*
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* @param mixed[] $data
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* @return Share
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*/
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private function createShare($data) {
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$share = new Share();
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$share->setId((int)$data['id'])
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->setShareType((int)$data['share_type'])
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->setPermissions((int)$data['permissions'])
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->setTarget($data['file_target'])
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->setShareTime((int)$data['stime'])
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->setMailSend((bool)$data['mail_send']);
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if ($share->getShareType() === \OCP\Share::SHARE_TYPE_USER) {
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$share->setSharedWith($this->userManager->get($data['share_with']));
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} else if ($share->getShareType() === \OCP\Share::SHARE_TYPE_GROUP) {
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$share->setSharedWith($this->groupManager->get($data['share_with']));
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} else if ($share->getShareType() === \OCP\Share::SHARE_TYPE_LINK) {
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$share->setPassword($data['share_with']);
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$share->setToken($data['token']);
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} else {
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$share->setSharedWith($data['share_with']);
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}
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if ($data['uid_initiator'] === null) {
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//OLD SHARE
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$share->setSharedBy($this->userManager->get($data['uid_owner']));
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$folder = $this->rootFolder->getUserFolder($share->getSharedBy()->getUID());
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$path = $folder->getById((int)$data['file_source'])[0];
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$owner = $path->getOwner();
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$share->setShareOwner($owner);
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} else {
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//New share!
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$share->setSharedBy($this->userManager->get($data['uid_initiator']));
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$share->setShareOwner($this->userManager->get($data['uid_owner']));
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}
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$path = $this->rootFolder->getUserFolder($share->getShareOwner()->getUID())->getById((int)$data['file_source'])[0];
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$share->setPath($path);
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if ($data['expiration'] !== null) {
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$expiration = \DateTime::createFromFormat('Y-m-d H:i:s', $data['expiration']);
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$share->setExpirationDate($expiration);
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}
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$share->setProviderId($this->identifier());
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return $share;
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}
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} |