369 lines
11 KiB
PHP
369 lines
11 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 OCA\Files_Sharing\API;
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use OC\Share20\IShare;
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use OCP\IGroupManager;
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use OCP\IUserManager;
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use OCP\IRequest;
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use OCP\IURLGenerator;
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use OCP\IUser;
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use OCP\Files\IRootFolder;
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class Share20OCS {
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/** @var \OC\Share20\Manager */
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private $shareManager;
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/** @var IGroupManager */
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private $groupManager;
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/** @var IUserManager */
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private $userManager;
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/** @var IRequest */
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private $request;
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/** @var IRootFolder */
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private $rootFolder;
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/** @var IUrlGenerator */
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private $urlGenerator;
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/** @var IUser */
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private $currentUser;
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public function __construct(
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\OC\Share20\Manager $shareManager,
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IGroupManager $groupManager,
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IUserManager $userManager,
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IRequest $request,
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IRootFolder $rootFolder,
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IURLGenerator $urlGenerator,
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IUser $currentUser
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) {
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$this->shareManager = $shareManager;
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$this->userManager = $userManager;
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$this->groupManager = $groupManager;
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$this->request = $request;
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$this->rootFolder = $rootFolder;
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$this->urlGenerator = $urlGenerator;
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$this->currentUser = $currentUser;
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}
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/**
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* Convert an IShare to an array for OCS output
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*
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* @param IShare $share
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* @return array
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*/
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protected function formatShare($share) {
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$result = [
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'id' => $share->getId(),
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'share_type' => $share->getShareType(),
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'uid_owner' => $share->getSharedBy()->getUID(),
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'displayname_owner' => $share->getSharedBy()->getDisplayName(),
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'permissions' => $share->getPermissions(),
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'stime' => $share->getShareTime(),
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'parent' => $share->getParent(),
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'expiration' => null,
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'token' => null,
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];
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$path = $share->getPath();
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$result['path'] = $this->rootFolder->getUserFolder($share->getShareOwner()->getUID())->getRelativePath($path->getPath());
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if ($path instanceOf \OCP\Files\Folder) {
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$result['item_type'] = 'folder';
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} else {
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$result['item_type'] = 'file';
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}
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$result['storage_id'] = $path->getStorage()->getId();
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$result['storage'] = $path->getStorage()->getCache()->getNumericStorageId();
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$result['item_source'] = $path->getId();
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$result['file_source'] = $path->getId();
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$result['file_parent'] = $path->getParent()->getId();
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$result['file_target'] = $share->getTarget();
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if ($share->getShareType() === \OCP\Share::SHARE_TYPE_USER) {
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$sharedWith = $share->getSharedWith();
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$result['share_with'] = $sharedWith->getUID();
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$result['share_with_displayname'] = $sharedWith->getDisplayName();
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} else if ($share->getShareType() === \OCP\Share::SHARE_TYPE_GROUP) {
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$sharedWith = $share->getSharedWith();
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$result['share_with'] = $sharedWith->getGID();
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$result['share_with_displayname'] = $sharedWith->getGID();
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} else if ($share->getShareType() === \OCP\Share::SHARE_TYPE_LINK) {
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$result['share_with'] = $share->getPassword();
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$result['share_with_displayname'] = $share->getPassword();
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$result['token'] = $share->getToken();
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$result['url'] = $this->urlGenerator->linkToRouteAbsolute('files_sharing.sharecontroller.showShare', ['token' => $share->getToken()]);
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$expiration = $share->getExpirationDate();
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if ($expiration !== null) {
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$result['expiration'] = $expiration->format('Y-m-d 00:00:00');
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}
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} else if ($share->getShareType() === \OCP\Share::SHARE_TYPE_REMOTE) {
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$result['share_with'] = $share->getSharedWith();
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$result['share_with_displayname'] = $share->getSharedWith();
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$result['token'] = $share->getToken();
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}
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$result['mail_send'] = $share->getMailSend() ? 1 : 0;
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return $result;
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}
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/**
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* Get a specific share by id
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*
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* @param string $id
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* @return \OC_OCS_Result
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*/
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public function getShare($id) {
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try {
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$share = $this->shareManager->getShareById($id);
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} catch (\OC\Share20\Exception\ShareNotFound $e) {
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return new \OC_OCS_Result(null, 404, 'wrong share ID, share doesn\'t exist.');
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}
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if ($this->canAccessShare($share)) {
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$share = $this->formatShare($share);
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return new \OC_OCS_Result($share);
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} else {
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return new \OC_OCS_Result(null, 404, 'wrong share ID, share doesn\'t exist.');
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}
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}
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/**
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* Delete a share
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*
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* @param string $id
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* @return \OC_OCS_Result
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*/
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public function deleteShare($id) {
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try {
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$share = $this->shareManager->getShareById($id);
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} catch (\OC\Share20\Exception\ShareNotFound $e) {
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return new \OC_OCS_Result(null, 404, 'wrong share ID, share doesn\'t exist.');
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}
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/*
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* FIXME
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* User the old code path for remote shares until we have our remoteshareprovider
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*/
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if ($share->getShareType() === \OCP\Share::SHARE_TYPE_REMOTE) {
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\OCA\Files_Sharing\API\Local::deleteShare(['id' => $id]);
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}
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if (!$this->canAccessShare($share)) {
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return new \OC_OCS_Result(null, 404, 'could not delete share');
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}
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try {
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$this->shareManager->deleteShare($share);
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} catch (\OC\Share20\Exception\BackendError $e) {
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return new \OC_OCS_Result(null, 404, 'could not delete share');
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}
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return new \OC_OCS_Result();
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}
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/**
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* @return \OC_OCS_Result
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*/
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public function createShare() {
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$share = $this->shareManager->newShare();
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// Verify path
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$path = $this->request->getParam('path', null);
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if ($path === null) {
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return new \OC_OCS_Result(null, 404, 'please specify a file or folder path');
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}
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$userFolder = $this->rootFolder->getUserFolder($this->currentUser->getUID());
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try {
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$path = $userFolder->get($path);
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} catch (\OCP\Files\NotFoundException $e) {
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return new \OC_OCS_Result(null, 404, 'wrong path, file/folder doesn\'t exist');
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}
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$share->setPath($path);
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// Parse permissions (if available)
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$permissions = $this->request->getParam('permissions', null);
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if ($permissions === null) {
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$permissions = \OCP\Constants::PERMISSION_ALL;
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} else {
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$permissions = (int)$permissions;
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}
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if ($permissions < 0 || $permissions > \OCP\Constants::PERMISSION_ALL) {
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return new \OC_OCS_Result(null, 404, 'invalid permissions');
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}
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// Shares always require read permissions
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$permissions |= \OCP\Constants::PERMISSION_READ;
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if ($path instanceof \OCP\Files\File) {
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// Single file shares should never have delete or create permissions
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$permissions &= ~\OCP\Constants::PERMISSION_DELETE;
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$permissions &= ~\OCP\Constants::PERMISSION_CREATE;
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}
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$shareWith = $this->request->getParam('shareWith', null);
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$shareType = (int)$this->request->getParam('shareType', '-1');
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if ($shareType === \OCP\Share::SHARE_TYPE_USER) {
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// Valid user is required to share
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if ($shareWith === null || !$this->userManager->userExists($shareWith)) {
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return new \OC_OCS_Result(null, 404, 'please specify a valid user');
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}
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$share->setSharedWith($this->userManager->get($shareWith));
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$share->setPermissions($permissions);
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} else if ($shareType === \OCP\Share::SHARE_TYPE_GROUP) {
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// Valid group is required to share
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if ($shareWith === null || !$this->groupManager->groupExists($shareWith)) {
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return new \OC_OCS_Result(null, 404, 'please specify a valid group');
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}
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$share->setSharedWith($this->groupManager->get($shareWith));
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$share->setPermissions($permissions);
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} else if ($shareType === \OCP\Share::SHARE_TYPE_LINK) {
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//Can we even share links?
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if (!$this->shareManager->shareApiAllowLinks()) {
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return new \OC_OCS_Result(null, 404, 'public link sharing is disabled by the administrator');
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}
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$publicUpload = $this->request->getParam('publicUpload', null);
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if ($publicUpload === 'true') {
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// Check if public upload is allowed
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if (!$this->shareManager->shareApiLinkAllowPublicUpload()) {
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return new \OC_OCS_Result(null, 403, '"public upload disabled by the administrator');
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}
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// Public upload can only be set for folders
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if ($path instanceof \OCP\Files\File) {
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return new \OC_OCS_Result(null, 404, '"public upload is only possible for public shared folders');
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}
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$share->setPermissions(
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\OCP\Constants::PERMISSION_READ |
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\OCP\Constants::PERMISSION_CREATE |
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\OCP\Constants::PERMISSION_UPDATE
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);
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} else {
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$share->setPermissions(\OCP\Constants::PERMISSION_READ);
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}
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// Set password
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$share->setPassword($this->request->getParam('password', null));
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//Expire date
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$expireDate = $this->request->getParam('expireDate', null);
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if ($expireDate !== null) {
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try {
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$expireDate = $this->parseDate($expireDate);
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$share->setExpirationDate($expireDate);
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} catch (\Exception $e) {
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return new \OC_OCS_Result(null, 404, 'Invalid Date. Format must be YYYY-MM-DD.');
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}
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}
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} else if ($shareType === \OCP\Share::SHARE_TYPE_REMOTE) {
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//fixme Remote shares are handled by old code path for now
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return \OCA\Files_Sharing\API\Local::createShare([]);
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} else {
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return new \OC_OCS_Result(null, 400, "unknown share type");
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}
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$share->setShareType($shareType);
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$share->setSharedBy($this->currentUser);
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try {
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$share = $this->shareManager->createShare($share);
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} catch (\OC\HintException $e) {
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$code = $e->getCode() === 0 ? 403 : $e->getCode();
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return new \OC_OCS_Result(null, $code, $e->getHint());
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}catch (\Exception $e) {
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return new \OC_OCS_Result(null, 403, $e->getMessage());
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}
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$share = $this->formatShare($share);
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return new \OC_OCS_Result($share);
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}
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/**
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* @param IShare $share
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* @return bool
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*/
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protected function canAccessShare(IShare $share) {
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// Owner of the file and the sharer of the file can always get share
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if ($share->getShareOwner() === $this->currentUser ||
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$share->getSharedBy() === $this->currentUser
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) {
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return true;
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}
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// If the share is shared with you (or a group you are a member of)
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if ($share->getShareType() === \OCP\Share::SHARE_TYPE_USER &&
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$share->getSharedWith() === $this->currentUser) {
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return true;
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}
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if ($share->getShareType() === \OCP\Share::SHARE_TYPE_GROUP &&
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$share->getSharedWith()->inGroup($this->currentUser)) {
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return true;
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}
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return false;
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}
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/**
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* Make sure that the passed date is valid ISO 8601
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* So YYYY-MM-DD
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* If not throw an exception
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*
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* @param string $expireDate
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*
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* @throws \Exception
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* @return \DateTime
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*/
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private function parseDate($expireDate) {
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try {
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$date = new \DateTime($expireDate);
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} catch (\Exception $e) {
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throw new \Exception('Invalid date. Format must be YYYY-MM-DD');
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}
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if ($date === false) {
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throw new \Exception('Invalid date. Format must be YYYY-MM-DD');
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}
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$date->setTime(0,0,0);
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return $date;
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}
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}
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