bitwarden-estensione-browser/src/services/send.service.ts

243 lines
8.9 KiB
TypeScript

import { SendData } from '../models/data/sendData';
import { SendRequest } from '../models/request/sendRequest';
import { SendResponse } from '../models/response/sendResponse';
import { Send } from '../models/domain/send';
import { SendFile } from '../models/domain/sendFile';
import { SendText } from '../models/domain/sendText';
import { SymmetricCryptoKey } from '../models/domain/symmetricCryptoKey';
import { SendType } from '../enums/sendType';
import { SendView } from '../models/view/sendView';
import { ApiService } from '../abstractions/api.service';
import { CryptoService } from '../abstractions/crypto.service';
import { CryptoFunctionService } from '../abstractions/cryptoFunction.service';
import { I18nService } from '../abstractions/i18n.service';
import { SendService as SendServiceAbstraction } from '../abstractions/send.service';
import { StorageService } from '../abstractions/storage.service';
import { UserService } from '../abstractions/user.service';
import { Utils } from '../misc/utils';
const Keys = {
sendsPrefix: 'sends_',
};
export class SendService implements SendServiceAbstraction {
decryptedSendCache: SendView[];
constructor(private cryptoService: CryptoService, private userService: UserService,
private apiService: ApiService, private storageService: StorageService,
private i18nService: I18nService, private cryptoFunctionService: CryptoFunctionService) { }
clearCache(): void {
this.decryptedSendCache = null;
}
async encrypt(model: SendView, file: File, password: string,
key?: SymmetricCryptoKey): Promise<[Send, ArrayBuffer]> {
let fileData: ArrayBuffer = null;
const send = new Send();
send.id = model.id;
send.type = model.type;
send.disabled = model.disabled;
send.maxAccessCount = model.maxAccessCount;
if (model.key == null) {
model.key = await this.cryptoFunctionService.randomBytes(16);
model.cryptoKey = await this.cryptoService.makeSendKey(model.key);
}
if (password != null) {
const passwordHash = await this.cryptoFunctionService.pbkdf2(password, model.key, 'sha256', 100000);
send.password = Utils.fromBufferToB64(passwordHash);
}
send.key = await this.cryptoService.encrypt(model.key, key);
send.name = await this.cryptoService.encrypt(model.name, model.cryptoKey);
send.notes = await this.cryptoService.encrypt(model.notes, model.cryptoKey);
if (send.type === SendType.Text) {
send.text = new SendText();
send.text.text = await this.cryptoService.encrypt(model.text.text, model.cryptoKey);
send.text.hidden = model.text.hidden;
} else if (send.type === SendType.File) {
send.file = new SendFile();
if (file != null) {
fileData = await this.parseFile(send, file, model.cryptoKey);
}
}
return [send, fileData];
}
async get(id: string): Promise<Send> {
const userId = await this.userService.getUserId();
const sends = await this.storageService.get<{ [id: string]: SendData; }>(
Keys.sendsPrefix + userId);
if (sends == null || !sends.hasOwnProperty(id)) {
return null;
}
return new Send(sends[id]);
}
async getAll(): Promise<Send[]> {
const userId = await this.userService.getUserId();
const sends = await this.storageService.get<{ [id: string]: SendData; }>(
Keys.sendsPrefix + userId);
const response: Send[] = [];
for (const id in sends) {
if (sends.hasOwnProperty(id)) {
response.push(new Send(sends[id]));
}
}
return response;
}
async getAllDecrypted(): Promise<SendView[]> {
if (this.decryptedSendCache != null) {
return this.decryptedSendCache;
}
const hasKey = await this.cryptoService.hasKey();
if (!hasKey) {
throw new Error('No key.');
}
const decSends: SendView[] = [];
const promises: Promise<any>[] = [];
const sends = await this.getAll();
sends.forEach((send) => {
promises.push(send.decrypt().then((f) => decSends.push(f)));
});
await Promise.all(promises);
decSends.sort(Utils.getSortFunction(this.i18nService, 'name'));
this.decryptedSendCache = decSends;
return this.decryptedSendCache;
}
async saveWithServer(sendData: [Send, ArrayBuffer]): Promise<any> {
const request = new SendRequest(sendData[0]);
let response: SendResponse;
if (sendData[0].id == null) {
if (sendData[0].type === SendType.Text) {
response = await this.apiService.postSend(request);
} else {
const fd = new FormData();
try {
const blob = new Blob([sendData[1]], { type: 'application/octet-stream' });
fd.append('model', JSON.stringify(request));
fd.append('data', blob, sendData[0].file.fileName.encryptedString);
} catch (e) {
if (Utils.isNode && !Utils.isBrowser) {
fd.append('model', JSON.stringify(request));
fd.append('data', Buffer.from(sendData[1]) as any, {
filepath: sendData[0].file.fileName.encryptedString,
contentType: 'application/octet-stream',
} as any);
} else {
throw e;
}
}
response = await this.apiService.postSendFile(fd);
}
sendData[0].id = response.id;
} else {
response = await this.apiService.putSend(sendData[0].id, request);
}
const userId = await this.userService.getUserId();
const data = new SendData(response, userId);
await this.upsert(data);
}
async upsert(send: SendData | SendData[]): Promise<any> {
const userId = await this.userService.getUserId();
let sends = await this.storageService.get<{ [id: string]: SendData; }>(
Keys.sendsPrefix + userId);
if (sends == null) {
sends = {};
}
if (send instanceof SendData) {
const s = send as SendData;
sends[s.id] = s;
} else {
(send as SendData[]).forEach((s) => {
sends[s.id] = s;
});
}
await this.storageService.save(Keys.sendsPrefix + userId, sends);
this.decryptedSendCache = null;
}
async replace(sends: { [id: string]: SendData; }): Promise<any> {
const userId = await this.userService.getUserId();
await this.storageService.save(Keys.sendsPrefix + userId, sends);
this.decryptedSendCache = null;
}
async clear(userId: string): Promise<any> {
await this.storageService.remove(Keys.sendsPrefix + userId);
this.decryptedSendCache = null;
}
async delete(id: string | string[]): Promise<any> {
const userId = await this.userService.getUserId();
const sends = await this.storageService.get<{ [id: string]: SendData; }>(
Keys.sendsPrefix + userId);
if (sends == null) {
return;
}
if (typeof id === 'string') {
if (sends[id] == null) {
return;
}
delete sends[id];
} else {
(id as string[]).forEach((i) => {
delete sends[i];
});
}
await this.storageService.save(Keys.sendsPrefix + userId, sends);
this.decryptedSendCache = null;
}
async deleteWithServer(id: string): Promise<any> {
await this.apiService.deleteSend(id);
await this.delete(id);
}
async removePasswordWithServer(id: string): Promise<any> {
const response = await this.apiService.putSendRemovePassword(id);
const userId = await this.userService.getUserId();
const data = new SendData(response, userId);
await this.upsert(data);
}
private parseFile(send: Send, file: File, key: SymmetricCryptoKey): Promise<ArrayBuffer> {
return new Promise((resolve, reject) => {
const reader = new FileReader();
reader.readAsArrayBuffer(file);
reader.onload = async (evt) => {
try {
send.file.fileName = await this.cryptoService.encrypt(file.name, key);
const fileData = await this.cryptoService.encryptToBytes(evt.target.result as ArrayBuffer, key);
resolve(fileData);
} catch (e) {
reject(e);
}
};
reader.onerror = (evt) => {
reject('Error reading file.');
};
});
}
}