140 lines
3.7 KiB
TypeScript
140 lines
3.7 KiB
TypeScript
import RNFetchBlob from 'rn-fetch-blob';
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import { settings as RocketChatSettings } from '@rocket.chat/sdk';
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import { KJUR } from 'jsrsasign';
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import moment from 'moment';
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import { getSupportedVersionsCloud } from '../services/restApi';
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import { TCloudInfo, IServerInfo, ISupportedVersions, ISupportedVersionsData, IApiServerInfo } from '../../definitions';
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import { selectServerFailure } from '../../actions/server';
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import { store } from '../store/auxStore';
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import I18n from '../../i18n';
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import { SIGNED_SUPPORTED_VERSIONS_PUBLIC_KEY } from '../constants';
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import { getServerById } from '../database/services/Server';
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import log from './helpers/log';
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interface IServerInfoFailure {
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success: false;
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message: string;
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}
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interface IServerInfoSuccess extends IServerInfo {
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success: true;
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}
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export type TServerInfoResult = IServerInfoSuccess | IServerInfoFailure;
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const SV_CLOUD_UPDATE_INTERVAL = 12; // hours
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// Verifies if JWT is valid and returns the payload
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const verifyJWT = (jwt?: string): ISupportedVersionsData | null => {
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try {
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if (!jwt) {
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return null;
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}
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const isValid = KJUR.jws.JWS.verify(jwt, SIGNED_SUPPORTED_VERSIONS_PUBLIC_KEY, ['RS256']);
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if (!isValid) {
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return null;
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}
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const { payloadObj } = KJUR.jws.JWS.parse(jwt);
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return payloadObj as ISupportedVersions;
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} catch {
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return null;
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}
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};
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export async function getServerInfo(server: string): Promise<TServerInfoResult> {
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try {
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const response = await RNFetchBlob.fetch('GET', `${server}/api/info`, {
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...RocketChatSettings.customHeaders
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});
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try {
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const jsonRes: IApiServerInfo = response.json();
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if (!jsonRes?.success) {
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return {
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success: false,
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message: I18n.t('Not_RC_Server', { contact: I18n.t('Contact_your_server_admin') })
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};
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}
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// Makes use of signed JWT to get supported versions
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const supportedVersions = verifyJWT(jsonRes.supportedVersions?.signed);
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// if backend doesn't have supported versions or JWT is invalid, request from cloud
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if (!supportedVersions) {
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// fetches from cloud only every 12h
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const serverRecord = await getServerById(server);
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if (
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serverRecord?.supportedVersionsUpdatedAt &&
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moment(new Date()).diff(serverRecord?.supportedVersionsUpdatedAt, 'hours') <= SV_CLOUD_UPDATE_INTERVAL
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) {
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return {
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...jsonRes,
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success: true
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};
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}
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const cloudInfo = await getCloudInfo(server);
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// Allows airgapped servers to use the app until enforcementStartDate
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if (!cloudInfo) {
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return {
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...jsonRes,
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success: true
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};
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}
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// Makes use of signed JWT to get supported versions
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const supportedVersionsCloud = verifyJWT(cloudInfo?.signed);
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return {
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...jsonRes,
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success: true,
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supportedVersions: supportedVersionsCloud
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};
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}
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return {
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...jsonRes,
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success: true,
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supportedVersions
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};
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} catch (error) {
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// Request is successful, but response isn't a json
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}
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} catch (e: any) {
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if (e?.message) {
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if (e.message === 'Aborted') {
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store.dispatch(selectServerFailure());
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throw e;
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}
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return {
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success: false,
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message: e.message
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};
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}
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}
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return {
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success: false,
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message: I18n.t('Not_RC_Server', { contact: I18n.t('Contact_your_server_admin') })
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};
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}
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const getUniqueId = async (server: string): Promise<string> => {
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const response = await fetch(`${server}/api/v1/settings.public?query={"_id": "uniqueID"}`);
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const result = await response.json();
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return result?.settings?.[0]?.value;
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};
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export const getCloudInfo = async (domain: string): Promise<TCloudInfo | null> => {
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try {
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const uniqueId = await getUniqueId(domain);
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const response = await getSupportedVersionsCloud(uniqueId, domain);
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return response.json() as unknown as TCloudInfo;
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} catch (e) {
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log(e);
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return null;
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}
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};
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