mirror of
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527 lines
17 KiB
TypeScript
527 lines
17 KiB
TypeScript
import { Store } from 'redux';
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import JoplinServerApi from '../../JoplinServerApi';
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import { _ } from '../../locale';
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import Logger from '@joplin/utils/Logger';
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import Folder from '../../models/Folder';
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import MasterKey from '../../models/MasterKey';
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import Note from '../../models/Note';
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import Setting from '../../models/Setting';
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import { FolderEntity } from '../database/types';
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import EncryptionService from '../e2ee/EncryptionService';
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import { PublicPrivateKeyPair, mkReencryptFromPasswordToPublicKey, mkReencryptFromPublicKeyToPassword } from '../e2ee/ppk';
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import { MasterKeyEntity } from '../e2ee/types';
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import { getMasterPassword } from '../e2ee/utils';
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import ResourceService from '../ResourceService';
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import { addMasterKey, getEncryptionEnabled, localSyncInfo } from '../synchronizer/syncInfoUtils';
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import { ShareInvitation, SharePermissions, State, stateRootKey, StateShare } from './reducer';
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const logger = Logger.create('ShareService');
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export interface ApiShare {
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id: string;
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master_key_id: string;
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}
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function formatShareInvitations(invitations: any[]): ShareInvitation[] {
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return invitations.map(inv => {
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return {
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...inv,
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master_key: inv.master_key ? JSON.parse(inv.master_key) : null,
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};
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});
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}
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export default class ShareService {
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private static instance_: ShareService;
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private api_: JoplinServerApi = null;
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private store_: Store<any> = null;
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private encryptionService_: EncryptionService = null;
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private initialized_ = false;
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public static instance(): ShareService {
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if (this.instance_) return this.instance_;
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this.instance_ = new ShareService();
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return this.instance_;
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}
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public initialize(store: Store<any>, encryptionService: EncryptionService, api: JoplinServerApi = null) {
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this.initialized_ = true;
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this.store_ = store;
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this.encryptionService_ = encryptionService;
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this.api_ = api;
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}
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public get enabled(): boolean {
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if (!this.initialized_) return false;
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return [9, 10].includes(Setting.value('sync.target')); // Joplin Server, Joplin Cloud targets
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}
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private get store(): Store<any> {
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return this.store_;
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}
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public get state(): State {
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return this.store.getState()[stateRootKey] as State;
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}
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public get userId(): string {
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return this.api() ? this.api().userId : '';
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}
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private api(): JoplinServerApi {
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if (this.api_) return this.api_;
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const syncTargetId = Setting.value('sync.target');
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this.api_ = new JoplinServerApi({
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baseUrl: () => Setting.value(`sync.${syncTargetId}.path`),
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userContentBaseUrl: () => Setting.value(`sync.${syncTargetId}.userContentPath`),
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username: () => Setting.value(`sync.${syncTargetId}.username`),
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password: () => Setting.value(`sync.${syncTargetId}.password`),
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});
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return this.api_;
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}
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public async shareFolder(folderId: string): Promise<ApiShare> {
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const folder = await Folder.load(folderId);
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if (!folder) throw new Error(`No such folder: ${folderId}`);
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let folderMasterKey: MasterKeyEntity = null;
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if (getEncryptionEnabled()) {
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const syncInfo = localSyncInfo();
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// Shouldn't happen
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if (!syncInfo.ppk) throw new Error('Cannot share notebook because E2EE is enabled and no Public Private Key pair exists.');
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// TODO: handle "undefinedMasterPassword" error - show master password dialog
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folderMasterKey = await this.encryptionService_.generateMasterKey(getMasterPassword());
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folderMasterKey = await MasterKey.save(folderMasterKey);
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addMasterKey(syncInfo, folderMasterKey);
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}
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const newFolderProps: FolderEntity = {};
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if (folder.parent_id) newFolderProps.parent_id = '';
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if (folderMasterKey) newFolderProps.master_key_id = folderMasterKey.id;
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if (Object.keys(newFolderProps).length) {
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await Folder.save({
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id: folder.id,
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...newFolderProps,
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});
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}
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const share = await this.api().exec('POST', 'api/shares', {}, {
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folder_id: folderId,
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master_key_id: folderMasterKey ? folderMasterKey.id : '',
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});
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// Note: race condition if the share is created but the app crashes
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// before setting share_id on the folder. See unshareFolder() for info.
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await Folder.save({ id: folder.id, share_id: share.id });
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await Folder.updateAllShareIds(ResourceService.instance());
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return share;
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}
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// This allows the notebook owner to stop sharing it. For a recipient to
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// leave the shared notebook, see the leaveSharedFolder command.
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public async unshareFolder(folderId: string) {
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const folder = await Folder.load(folderId);
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if (!folder) throw new Error(`No such folder: ${folderId}`);
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const share = this.shares.find(s => s.folder_id === folderId);
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if (!share) throw new Error(`No share for folder: ${folderId}`);
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// First, delete the share - which in turns is going to remove the items
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// for all users, except the owner.
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await this.deleteShare(share.id);
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// Then reset the "share_id" field for the folder and all sub-items.
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// This could potentially be done server-side, when deleting the share,
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// but since clients are normally responsible for maintaining the
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// share_id property, we do it here for consistency. It will also avoid
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// conflicts because changes will come only from the clients.
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//
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// Note that there could be a race condition here if the share is
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// deleted, but the app crashes just before setting share_id to "". It's
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// very unlikely to happen so we leave like this for now.
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//
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// We could potentially have a clean up process at some point:
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//
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// - It would download all share objects
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// - Then look for all items where the share_id is not in any of these
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// shares objects
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// - And set those to ""
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//
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// Likewise, it could apply the share_id to folders based on
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// share.folder_id
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//
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// Setting the share_id is not critical - what matters is that when the
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// share is deleted, other users no longer have access to the item, so
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// can't change or read them.
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await Folder.save({ id: folder.id, share_id: '' });
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// It's ok if updateAllShareIds() doesn't run because it's executed on
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// each sync too.
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await Folder.updateAllShareIds(ResourceService.instance());
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}
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// This is when a share recipient decides to leave the shared folder.
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//
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// In that case we delete the root folder. Deleting the folder tells the
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// server that we want to leave the share.
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//
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// We also immediately delete the children, but we do not sync the changes
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// otherwise it would delete the items for other users too.
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//
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// If we do not delete them now it would also cause all kind of issues with
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// read-only shares, because the read-only status will be lost after the
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// deletion of the root folder, which means various services may modify the
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// data. The changes will then be rejected by the sync target and cause
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// conflicts.
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//
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// We do not need to sync the children deletion, because the server will
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// take care of deleting all associated user_items. So eventually all the
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// notebook content will also be deleted for the current user.
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//
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// If `folderShareUserId` is provided, the function will check that the user
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// does not own the share. It would be an error to leave such a folder
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// (instead "unshareFolder" should be called).
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public async leaveSharedFolder(folderId: string, folderShareUserId: string = null): Promise<void> {
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if (folderShareUserId !== null) {
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const userId = Setting.value('sync.userId');
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if (folderShareUserId === userId) throw new Error('Cannot leave own notebook');
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}
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const folder = await Folder.load(folderId);
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// We call this to make sure all items are correctly linked before we
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// call deleteAllByShareId()
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await Folder.updateAllShareIds(ResourceService.instance());
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await Folder.delete(folderId, { deleteChildren: false, disableReadOnlyCheck: true });
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await Folder.deleteAllByShareId(folder.share_id, { disableReadOnlyCheck: true, trackDeleted: false });
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}
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// Finds any folder that is associated with a share, but the user no longer
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// has access to the share, and remove these folders. This check is
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// necessary otherwise sync will try to update items that are not longer
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// accessible and will throw the error "Could not find share with ID: xxxx")
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public async checkShareConsistency() {
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const rootSharedFolders = await Folder.rootSharedFolders();
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let hasRefreshedShares = false;
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let shares = this.shares;
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for (const folder of rootSharedFolders) {
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let share = shares.find(s => s.id === folder.share_id);
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if (!share && !hasRefreshedShares) {
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shares = await this.refreshShares();
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share = shares.find(s => s.id === folder.share_id);
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hasRefreshedShares = true;
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}
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if (!share) {
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// This folder is a associated with a share, but the user no
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// longer has access to this share. It can happen for two
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// reasons:
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//
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// - It no longer exists
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// - Or the user rejected that share from a different device,
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// and the folder was not deleted as it should have been.
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//
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// In that case we need to leave the notebook.
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logger.warn(`Found a folder that was associated with a share, but the user not longer has access to the share - leaving the folder. Folder: ${folder.title} (${folder.id}). Share: ${folder.share_id}`);
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await this.leaveSharedFolder(folder.id);
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}
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}
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}
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public async shareNote(noteId: string, recursive: boolean): Promise<StateShare> {
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const note = await Note.load(noteId);
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if (!note) throw new Error(`No such note: ${noteId}`);
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const share = await this.api().exec('POST', 'api/shares', {}, {
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note_id: noteId,
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recursive: recursive ? 1 : 0,
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});
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await Note.save({
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id: note.id,
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parent_id: note.parent_id,
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is_shared: 1,
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updated_time: Date.now(),
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}, {
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autoTimestamp: false,
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});
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return share;
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}
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public async unshareNote(noteId: string) {
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const note = await Note.load(noteId);
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if (!note) throw new Error(`No such note: ${noteId}`);
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const shares = await this.refreshShares();
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const noteShares = shares.filter(s => s.note_id === noteId);
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const promises: Promise<void>[] = [];
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for (const share of noteShares) {
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promises.push(this.deleteShare(share.id));
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}
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await Promise.all(promises);
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await Note.save({
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id: note.id,
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parent_id: note.parent_id,
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is_shared: 0,
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updated_time: Date.now(),
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}, {
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autoTimestamp: false,
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});
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}
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public shareUrl(userId: string, share: StateShare): string {
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return `${this.api().personalizedUserContentBaseUrl(userId)}/shares/${share.id}`;
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}
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public folderShare(folderId: string): StateShare {
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return this.shares.find(s => s.folder_id === folderId);
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}
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public isSharedFolderOwner(folderId: string, userId: string = null): boolean {
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if (userId === null) userId = this.userId;
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const share = this.folderShare(folderId);
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if (!share) throw new Error(`Cannot find share associated with folder: ${folderId}`);
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return share.user.id === userId;
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}
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public get shares() {
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return this.state.shares;
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}
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public get shareLinkNoteIds(): string[] {
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return this.shares.filter(s => !!s.note_id).map(s => s.note_id);
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}
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public get shareInvitations() {
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return this.state.shareInvitations;
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}
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private async userPublicKey(userEmail: string): Promise<PublicPrivateKeyPair> {
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return this.api().exec('GET', `api/users/${encodeURIComponent(userEmail)}/public_key`);
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}
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public async addShareRecipient(shareId: string, masterKeyId: string, recipientEmail: string, permissions: SharePermissions) {
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let recipientMasterKey: MasterKeyEntity = null;
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if (getEncryptionEnabled()) {
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const syncInfo = localSyncInfo();
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const masterKey = syncInfo.masterKeys.find(m => m.id === masterKeyId);
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if (!masterKey) throw new Error(`Cannot find master key with ID "${masterKeyId}"`);
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const recipientPublicKey: PublicPrivateKeyPair = await this.userPublicKey(recipientEmail);
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if (!recipientPublicKey) throw new Error(_('Cannot share encrypted notebook with recipient %s because they have not enabled end-to-end encryption. They may do so from the screen Configuration > Encryption.', recipientEmail));
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logger.info('Reencrypting master key with recipient public key', recipientPublicKey);
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recipientMasterKey = await mkReencryptFromPasswordToPublicKey(
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this.encryptionService_,
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masterKey,
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getMasterPassword(),
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recipientPublicKey
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);
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}
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return this.api().exec('POST', `api/shares/${shareId}/users`, {}, {
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email: recipientEmail,
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master_key: JSON.stringify(recipientMasterKey),
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...permissions,
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});
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}
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public async deleteShareRecipient(shareUserId: string) {
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await this.api().exec('DELETE', `api/share_users/${shareUserId}`);
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}
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public async deleteShare(shareId: string) {
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await this.api().exec('DELETE', `api/shares/${shareId}`);
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}
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private async loadShares() {
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return this.api().exec('GET', 'api/shares');
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}
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private async loadShareUsers(shareId: string) {
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return this.api().exec('GET', `api/shares/${shareId}/users`);
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}
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private async loadShareInvitations() {
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return this.api().exec('GET', 'api/share_users');
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}
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public setProcessingShareInvitationResponse(v: boolean) {
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this.store.dispatch({
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type: 'SHARE_INVITATION_RESPONSE_PROCESSING',
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value: v,
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});
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}
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public async setPermissions(shareId: string, shareUserId: string, permissions: SharePermissions) {
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logger.info('setPermissions: ', shareUserId, permissions);
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await this.api().exec('PATCH', `api/share_users/${shareUserId}`, null, {
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can_read: 1,
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can_write: permissions.can_write,
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});
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this.store.dispatch({
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type: 'SHARE_USER_UPDATE_ONE',
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shareId: shareId,
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shareUser: {
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id: shareUserId,
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...permissions,
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},
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});
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}
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public async respondInvitation(shareUserId: string, masterKey: MasterKeyEntity, accept: boolean) {
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logger.info('respondInvitation: ', shareUserId, accept);
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if (accept) {
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if (masterKey) {
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const reencryptedMasterKey = await mkReencryptFromPublicKeyToPassword(
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this.encryptionService_,
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masterKey,
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localSyncInfo().ppk,
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getMasterPassword(),
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getMasterPassword()
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);
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logger.info('respondInvitation: Key has been reencrypted using master password', reencryptedMasterKey);
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await MasterKey.save(reencryptedMasterKey);
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}
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await this.api().exec('PATCH', `api/share_users/${shareUserId}`, null, { status: 1 });
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} else {
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await this.api().exec('PATCH', `api/share_users/${shareUserId}`, null, { status: 2 });
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}
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}
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public async refreshShareInvitations() {
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const result = await this.loadShareInvitations();
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const invitations = formatShareInvitations(result.items);
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logger.info('Refresh share invitations:', invitations);
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this.store.dispatch({
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type: 'SHARE_INVITATION_SET',
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shareInvitations: invitations,
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});
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}
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public async shareById(id: string) {
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const stateShare = this.state.shares.find(s => s.id === id);
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if (stateShare) return stateShare;
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const refreshedShares = await this.refreshShares();
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const refreshedShare = refreshedShares.find(s => s.id === id);
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if (!refreshedShare) throw new Error(`Could not find share with ID: ${id}`);
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return refreshedShare;
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}
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// In most cases the share objects will already be part of the state, so
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// this function checks there first. If the required share objects are not
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// present, it refreshes them from the API.
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public async sharesByIds(ids: string[]) {
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const buildOutput = async (shares: StateShare[]) => {
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const output: Record<string, StateShare> = {};
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for (const share of shares) {
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if (ids.includes(share.id)) output[share.id] = share;
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}
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return output;
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};
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let output = await buildOutput(this.state.shares);
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if (Object.keys(output).length === ids.length) return output;
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const refreshedShares = await this.refreshShares();
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output = await buildOutput(refreshedShares);
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if (Object.keys(output).length !== ids.length) {
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logger.error('sharesByIds: Need:', ids);
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logger.error('sharesByIds: Got:', Object.keys(refreshedShares));
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throw new Error('Could not retrieve required share objects');
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}
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return output;
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}
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public async refreshShares(): Promise<StateShare[]> {
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const result = await this.loadShares();
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logger.info('Refreshed shares:', result);
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this.store.dispatch({
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type: 'SHARE_SET',
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shares: result.items,
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});
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return result.items;
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}
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public async refreshShareUsers(shareId: string) {
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const result = await this.loadShareUsers(shareId);
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logger.info('Refreshed share users:', result);
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this.store.dispatch({
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type: 'SHARE_USER_SET',
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shareId: shareId,
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shareUsers: result.items,
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});
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}
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private async updateNoLongerSharedItems() {
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const shareIds = this.shares.map(share => share.id).concat(this.shareInvitations.map(si => si.share.id));
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await Folder.updateNoLongerSharedItems(shareIds);
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}
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public async maintenance() {
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if (this.enabled) {
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let hasError = false;
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try {
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await this.refreshShareInvitations();
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} catch (error) {
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hasError = true;
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logger.error('Maintenance: Failed to update share invitations:', error);
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}
|
|
|
|
try {
|
|
await this.refreshShares();
|
|
} catch (error) {
|
|
hasError = true;
|
|
logger.error('Maintenance: Failed to refresh shares:', error);
|
|
}
|
|
|
|
Setting.setValue('sync.userId', this.api().userId);
|
|
|
|
// If there was no errors, it means we have all the share objects,
|
|
// so we can run the clean up function.
|
|
if (!hasError) await this.updateNoLongerSharedItems();
|
|
}
|
|
}
|
|
|
|
}
|