263 lines
9.4 KiB
TypeScript
263 lines
9.4 KiB
TypeScript
import { getEndpoint } from "utils/common/apiUtil";
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import { getData, LS_KEYS } from "utils/storage/localStorage";
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import { file, user, getFiles } from "./fileService";
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import localForage from 'localforage';
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import HTTPService from "./HTTPService";
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import * as Comlink from 'comlink';
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import { keyEncryptionResult } from "./uploadService";
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import { getActualKey, getToken } from "utils/common/key";
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const CryptoWorker: any =
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typeof window !== 'undefined' &&
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Comlink.wrap(new Worker('worker/crypto.worker.js', { type: 'module' }));
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const ENDPOINT = getEndpoint();
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enum CollectionType {
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folder = "folder",
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favorites = "favorites",
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album = "album",
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}
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export interface collection {
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id: number;
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owner: user;
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key?: string;
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name?: string;
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encryptedName?: string;
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nameDecryptionNonce?: string;
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type: string;
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attributes: collectionAttributes
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sharees: user[];
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updationTime: number;
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encryptedKey: string;
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keyDecryptionNonce: string;
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isDeleted: boolean;
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}
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interface collectionAttributes {
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encryptedPath?: string;
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pathDecryptionNonce?: string
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};
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export interface collectionLatestFile {
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collection: collection
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file: file;
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}
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const getCollectionSecrets = async (collection: collection, masterKey: string) => {
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const worker = await new CryptoWorker();
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const userID = getData(LS_KEYS.USER).id;
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let decryptedKey: string;
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if (collection.owner.id == userID) {
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decryptedKey = await worker.decryptB64(
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collection.encryptedKey,
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collection.keyDecryptionNonce,
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masterKey
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);
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} else {
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const keyAttributes = getData(LS_KEYS.KEY_ATTRIBUTES);
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const secretKey = await worker.decryptB64(
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keyAttributes.encryptedSecretKey,
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keyAttributes.secretKeyDecryptionNonce,
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masterKey
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);
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decryptedKey = await worker.boxSealOpen(
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collection.encryptedKey,
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keyAttributes.publicKey,
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secretKey
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);
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}
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collection.name = collection.name || await worker.decryptString(
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collection.encryptedName,
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collection.nameDecryptionNonce,
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decryptedKey);
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return {
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...collection,
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key: decryptedKey,
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};
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};
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const getCollections = async (
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token: string,
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sinceTime: string,
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key: string
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): Promise<collection[]> => {
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try {
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const resp = await HTTPService.get(`${ENDPOINT}/collections`, {
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sinceTime: sinceTime,
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}, { 'X-Auth-Token': token, });
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const promises: Promise<collection>[] = resp.data.collections.map(
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(collection: collection) => getCollectionSecrets(collection, key)
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);
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return await Promise.all(promises);
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}
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catch (e) {
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console.log("getCollections failed- " + e);
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}
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};
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export const getLocalCollections = async (): Promise<collection[]> => {
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const collections = await localForage.getItem('collections') as collection[] ?? [];
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return collections;
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}
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export const getLatestCollections = async (token: string, key: string) => {
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const localCollections = await getLocalCollections();
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const lastCollectionUpdateTime = await localForage.getItem<string>('collection-update-time')??"0";
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const updatedCollections = await getCollections(token, lastCollectionUpdateTime, key) || [];
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if(updatedCollections.length==0){
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return {isUpdated:false,collections:localCollections};
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}
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const favCollection = await localForage.getItem('fav-collection') as collection[] ?? updatedCollections.filter(collection => collection.type === CollectionType.favorites);
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const allCollectionsInstances = [...localCollections, ...updatedCollections];
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var latestCollectionsInstances = new Map<number, collection>();
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allCollectionsInstances.forEach((collection) => {
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if (!latestCollectionsInstances.has(collection.id) || latestCollectionsInstances.get(collection.id).updationTime < collection.updationTime) {
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latestCollectionsInstances.set(collection.id, collection);
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}
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});
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let collections = [],updationTime= await localForage.getItem<number>('collection-update-time');
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for (const [_, collection] of latestCollectionsInstances) {
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if (!collection.isDeleted){
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collections.push(collection);
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updationTime=Math.max(updationTime,collection.updationTime);
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}
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}
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await localForage.setItem('fav-collection', favCollection);
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await localForage.setItem('collection-update-time',updationTime);
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await localForage.setItem('collections', collections);
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return {isUpdated:true,collections:collections};
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};
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export const getCollectionLatestFile = (
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collections: collection[],
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files: file[]
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): collectionLatestFile[] => {
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const latestFile = new Map<number, file>();
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const collectionMap = new Map<number, collection>();
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collections.forEach(collection => collectionMap.set(Number(collection.id), collection));
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files.forEach(file => {
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if (!latestFile.has(file.collectionID)) {
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latestFile.set(file.collectionID, file)
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}
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});
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let allCollectionLatestFile: collectionLatestFile[] = [];
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for (const [collectionID, file] of latestFile) {
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allCollectionLatestFile.push({ collection: collectionMap.get(collectionID), file });
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}
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return allCollectionLatestFile;
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}
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export const getFavItemIds = async (files: file[]): Promise<Set<number>> => {
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let favCollection: collection = (await localForage.getItem<collection>('fav-collection'))[0];
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if (!favCollection)
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return new Set();
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return new Set(files.filter(file => file.collectionID === Number(favCollection.id)).map((file): number => file.id));
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}
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export const createAlbum = async (albumName: string) => {
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return AddCollection(albumName, CollectionType.album);
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}
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export const AddCollection = async (collectionName: string, type: CollectionType) => {
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const worker = await new CryptoWorker();
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const encryptionKey = await getActualKey();
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const token = getToken();
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const collectionKey: string = await worker.generateMasterKey();
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const { encryptedData: encryptedKey, nonce: keyDecryptionNonce }: keyEncryptionResult = await worker.encryptToB64(collectionKey, encryptionKey);
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const { encryptedData: encryptedName, nonce: nameDecryptionNonce }: keyEncryptionResult = await worker.encryptToB64(collectionName, collectionKey);
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const newCollection: collection = {
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id: null,
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owner: null,
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encryptedKey,
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keyDecryptionNonce,
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encryptedName,
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nameDecryptionNonce,
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type,
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attributes: {},
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sharees: null,
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updationTime: null,
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isDeleted: false
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};
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let createdCollection: collection = await createCollection(newCollection, token);
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createdCollection = await getCollectionSecrets(createdCollection, encryptionKey);
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return createdCollection;
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}
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const createCollection = async (collectionData: collection, token: string): Promise<collection> => {
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try {
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const response = await HTTPService.post(`${ENDPOINT}/collections`, collectionData, null, { 'X-Auth-Token': token });
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return response.data.collection;
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} catch (e) {
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console.log("create Collection failed " + e);
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}
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}
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export const addToFavorites = async (file: file) => {
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let favCollection: collection = (await localForage.getItem<collection>('fav-collection'))[0];
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if (!favCollection) {
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favCollection = await AddCollection("Favorites", CollectionType.favorites);
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await localForage.setItem('fav-collection', favCollection);
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}
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await addtoCollection(favCollection, [file])
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}
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export const removeFromFavorites = async (file: file) => {
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let favCollection: collection = (await localForage.getItem<collection>('fav-collection'))[0];
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await removeFromCollection(favCollection, [file])
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}
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const addtoCollection = async (collection: collection, files: file[]) => {
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try {
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const params = new Object();
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const worker = await new CryptoWorker();
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const token = getToken();
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params["collectionID"] = collection.id;
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await Promise.all(files.map(async file => {
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file.collectionID = Number(collection.id);
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const newEncryptedKey: keyEncryptionResult = await worker.encryptToB64(file.key, collection.key);
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file.encryptedKey = newEncryptedKey.encryptedData;
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file.keyDecryptionNonce = newEncryptedKey.nonce;
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if (params["files"] == undefined) {
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params["files"] = [];
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}
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params["files"].push({
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id: file.id,
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encryptedKey: file.encryptedKey,
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keyDecryptionNonce: file.keyDecryptionNonce
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})
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return file;
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}));
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await HTTPService.post(`${ENDPOINT}/collections/add-files`, params, null, { 'X-Auth-Token': token });
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} catch (e) {
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console.log("Add to collection Failed " + e);
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}
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}
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const removeFromCollection = async (collection: collection, files: file[]) => {
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try {
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const params = new Object();
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const token = getToken();
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params["collectionID"] = collection.id;
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await Promise.all(files.map(async file => {
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if (params["fileIDs"] == undefined) {
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params["fileIDs"] = [];
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}
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params["fileIDs"].push(file.id);
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}));
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await HTTPService.post(`${ENDPOINT}/collections/remove-files`, params, null, { 'X-Auth-Token': token });
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} catch (e) {
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console.log("remove from collection failed " + e);
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}
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}
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