Created getCollectionLatestFile fileService
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Abhinav-grd
parent
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@ -1,174 +1,240 @@
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import { getEndpoint } from "utils/common/apiUtil";
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import HTTPService from "./HTTPService";
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import * as Comlink from "comlink";
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import { getData, LS_KEYS } from "utils/storage/localStorage";
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import localForage from "localforage";
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import { getEndpoint } from 'utils/common/apiUtil';
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import HTTPService from './HTTPService';
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import * as Comlink from 'comlink';
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import { getData, LS_KEYS } from 'utils/storage/localStorage';
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import localForage from 'localforage';
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const CryptoWorker: any = typeof window !== 'undefined'
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&& Comlink.wrap(new Worker("worker/crypto.worker.js", { type: 'module' }));
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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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localForage.config({
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driver: localForage.INDEXEDDB,
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name: 'ente-files',
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version: 1.0,
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storeName: 'files',
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driver: localForage.INDEXEDDB,
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name: 'ente-files',
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version: 1.0,
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storeName: 'files',
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});
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export interface fileAttribute {
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encryptedData: string;
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decryptionHeader: string;
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creationTime: number;
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fileType: number;
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};
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encryptedData: string;
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decryptionHeader: string;
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creationTime: number;
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fileType: number;
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}
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export interface user {
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id: number;
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name: string;
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email: string;
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id: number;
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name: string;
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email: string;
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}
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export interface collection {
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id: string;
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owner: user;
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key: string;
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name: string;
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type: string;
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creationTime: number;
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encryptedKey: string;
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keyDecryptionNonce: string;
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isDeleted: boolean;
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id: string;
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owner: user;
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key: string;
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name: string;
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type: string;
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creationTime: 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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export interface file {
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id: number;
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collectionID: number;
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file: fileAttribute;
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thumbnail: fileAttribute;
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metadata: fileAttribute;
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encryptedKey: string;
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keyDecryptionNonce: string;
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key: Uint8Array;
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src: string;
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msrc: string;
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html: string;
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w: number;
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h: number;
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isDeleted: boolean;
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dataIndex: number;
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};
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id: number;
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collectionID: number;
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file: fileAttribute;
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thumbnail: fileAttribute;
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metadata: fileAttribute;
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encryptedKey: string;
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keyDecryptionNonce: string;
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key: Uint8Array;
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src: string;
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msrc: string;
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html: string;
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w: number;
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h: number;
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isDeleted: boolean;
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dataIndex: number;
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}
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export interface collectionLatestImage {
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collectionName: string;
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collectionID: number;
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thumb: string;
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}
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const getCollectionKey = async (collection: collection, key: Uint8Array) => {
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const worker = await new CryptoWorker();
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const userID = getData(LS_KEYS.USER).id;
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var decryptedKey;
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if (collection.owner.id == userID) {
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decryptedKey = await worker.decrypt(
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await worker.fromB64(collection.encryptedKey),
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await worker.fromB64(collection.keyDecryptionNonce),
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key);
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} else {
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const keyAttributes = getData(LS_KEYS.KEY_ATTRIBUTES);
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const secretKey = await worker.decrypt(
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await worker.fromB64(keyAttributes.encryptedSecretKey),
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await worker.fromB64(keyAttributes.secretKeyDecryptionNonce),
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key);
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decryptedKey = await worker.boxSealOpen(
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await worker.fromB64(collection.encryptedKey),
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await worker.fromB64(keyAttributes.publicKey),
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secretKey);
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}
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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 worker = await new CryptoWorker();
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const userID = getData(LS_KEYS.USER).id;
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var decryptedKey;
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if (collection.owner.id == userID) {
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decryptedKey = await worker.decrypt(
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await worker.fromB64(collection.encryptedKey),
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await worker.fromB64(collection.keyDecryptionNonce),
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key
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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.decrypt(
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await worker.fromB64(keyAttributes.encryptedSecretKey),
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await worker.fromB64(keyAttributes.secretKeyDecryptionNonce),
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key
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);
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decryptedKey = await worker.boxSealOpen(
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await worker.fromB64(collection.encryptedKey),
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await worker.fromB64(keyAttributes.publicKey),
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secretKey
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);
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}
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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 (token: string, sinceTime: string, key: Uint8Array): Promise<collection[]> => {
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const resp = await HTTPService.get(`${ENDPOINT}/collections`, {
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'token': token,
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'sinceTime': sinceTime,
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});
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const getCollections = async (
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token: string,
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sinceTime: string,
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key: Uint8Array
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): Promise<collection[]> => {
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const resp = await HTTPService.get(`${ENDPOINT}/collections`, {
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token: token,
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sinceTime: sinceTime,
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});
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const promises: Promise<collection>[] = resp.data.collections.map(
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(collection: collection) => getCollectionKey(collection, key));
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return await Promise.all(promises);
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}
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const promises: Promise<collection>[] = resp.data.collections.map(
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(collection: collection) => getCollectionKey(collection, key)
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);
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return await Promise.all(promises);
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};
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export const fetchCollections = async (token: string, key: string) => {
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const worker = await new CryptoWorker();
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return getCollections(token, "0", await worker.fromB64(key));
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}
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const worker = await new CryptoWorker();
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return getCollections(token, '0', await worker.fromB64(key));
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};
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export const getFiles = async (sinceTime: string, token: string, limit: string, key: string, collections: collection[]) => {
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const worker = await new CryptoWorker();
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let files: Array<file> = await localForage.getItem<file[]>('files') || [];
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for (const index in collections) {
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const collection = collections[index];
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if (collection.isDeleted) {
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// TODO: Remove files in this collection from localForage and cache
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continue;
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}
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let time = await localForage.getItem<string>(`${collection.id}-time`) || sinceTime;
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let resp;
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do {
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resp = await HTTPService.get(`${ENDPOINT}/collections/diff`, {
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'collectionID': collection.id, sinceTime: time, token, limit,
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});
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const promises: Promise<file>[] = resp.data.diff.map(
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async (file: file) => {
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file.key = await worker.decrypt(
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await worker.fromB64(file.encryptedKey),
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await worker.fromB64(file.keyDecryptionNonce),
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collection.key);
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file.metadata = await worker.decryptMetadata(file);
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return file;
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});
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files.push(...await Promise.all(promises));
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files = files.sort((a, b) => b.metadata.creationTime - a.metadata.creationTime);
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if (resp.data.diff.length) {
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time = (resp.data.diff.slice(-1)[0].updationTime).toString();
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}
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} while (resp.data.diff.length);
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await localForage.setItem(`${collection.id}-time`, time);
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export const getFiles = async (
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sinceTime: string,
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token: string,
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limit: string,
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key: string,
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collections: collection[]
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) => {
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const worker = await new CryptoWorker();
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let files: Array<file> = (await localForage.getItem<file[]>('files')) || [];
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for (const index in collections) {
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const collection = collections[index];
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if (collection.isDeleted) {
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// TODO: Remove files in this collection from localForage and cache
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continue;
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}
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files = files.filter(item => !item.isDeleted)
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await localForage.setItem('files', files);
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return files;
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}
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let time =
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(await localForage.getItem<string>(`${collection.id}-time`)) || sinceTime;
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let resp;
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do {
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resp = await HTTPService.get(`${ENDPOINT}/collections/diff`, {
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collectionID: collection.id,
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sinceTime: time,
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token,
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limit,
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});
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const promises: Promise<file>[] = resp.data.diff.map(
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async (file: file) => {
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file.key = await worker.decrypt(
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await worker.fromB64(file.encryptedKey),
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await worker.fromB64(file.keyDecryptionNonce),
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collection.key
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);
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file.metadata = await worker.decryptMetadata(file);
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return file;
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}
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);
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files.push(...(await Promise.all(promises)));
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files = files.sort(
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(a, b) => b.metadata.creationTime - a.metadata.creationTime
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);
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if (resp.data.diff.length) {
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time = resp.data.diff.slice(-1)[0].updationTime.toString();
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}
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} while (resp.data.diff.length);
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await localForage.setItem(`${collection.id}-time`, time);
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}
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files = files.filter((item) => !item.isDeleted);
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await localForage.setItem('files', files);
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return files;
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};
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export const getPreview = async (token: string, file: file) => {
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const cache = await caches.open('thumbs');
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const cacheResp: Response = await cache.match(file.id.toString());
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if (cacheResp) {
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return URL.createObjectURL(await cacheResp.blob());
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}
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const resp = await HTTPService.get(
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`${ENDPOINT}/files/preview/${file.id}`,
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{ token }, null, { responseType: 'arraybuffer' },
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);
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const worker = await new CryptoWorker();
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const decrypted: any = await worker.decryptThumbnail(
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new Uint8Array(resp.data),
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await worker.fromB64(file.thumbnail.decryptionHeader),
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file.key);
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try {
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await cache.put(file.id.toString(), new Response(new Blob([decrypted])));
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} catch (e) {
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// TODO: handle storage full exception.
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}
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return URL.createObjectURL(new Blob([decrypted]));
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}
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const cache = await caches.open('thumbs');
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const cacheResp: Response = await cache.match(file.id.toString());
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if (cacheResp) {
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return URL.createObjectURL(await cacheResp.blob());
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}
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const resp = await HTTPService.get(
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`${ENDPOINT}/files/preview/${file.id}`,
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{ token },
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null,
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{ responseType: 'arraybuffer' }
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);
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const worker = await new CryptoWorker();
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const decrypted: any = await worker.decryptThumbnail(
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new Uint8Array(resp.data),
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await worker.fromB64(file.thumbnail.decryptionHeader),
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file.key
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);
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try {
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await cache.put(file.id.toString(), new Response(new Blob([decrypted])));
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} catch (e) {
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// TODO: handle storage full exception.
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}
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return URL.createObjectURL(new Blob([decrypted]));
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};
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export const getFile = async (token: string, file: file) => {
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const resp = await HTTPService.get(
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`${ENDPOINT}/files/download/${file.id}`,
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{ token }, null, { responseType: 'arraybuffer' },
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);
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const worker = await new CryptoWorker();
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const decrypted: any = await worker.decryptFile(
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new Uint8Array(resp.data),
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await worker.fromB64(file.file.decryptionHeader),
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file.key);
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return URL.createObjectURL(new Blob([decrypted]));
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}
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const resp = await HTTPService.get(
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`${ENDPOINT}/files/download/${file.id}`,
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{ token },
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null,
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{ responseType: 'arraybuffer' }
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);
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const worker = await new CryptoWorker();
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const decrypted: any = await worker.decryptFile(
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new Uint8Array(resp.data),
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await worker.fromB64(file.file.decryptionHeader),
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file.key
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);
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return URL.createObjectURL(new Blob([decrypted]));
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};
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export const getCollectionLatestFile = async (
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collections: collection[],
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data: file[]
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): Promise<collectionLatestImage[]> => {
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let collectionIdSet = new Set();
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let collectionIdNameMap = new Object();
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collections.forEach((collection) => {
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collectionIdNameMap[collection.id] = collection.name;
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});
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console.log();
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return Promise.all(
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data
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.filter((item) => {
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if (!collectionIdSet.has(item.collectionID)) {
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collectionIdSet.add(item.collectionID);
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return true;
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}
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return false;
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})
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.map(async (item) => {
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const token = getData(LS_KEYS.USER).token;
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const url = await getPreview(token, item);
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return {
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thumb: url,
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collectionID: item.collectionID,
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collectionName: collectionIdNameMap[item.collectionID].toString(),
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};
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})
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);
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};
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