feat: Deeplink login for Mobile and Desktop clients

apps/meteor/client/lib/buildAuthDeeplinkURL.ts

@@ -0,0 +1,5 @@
+export const buildDeepLinkURL = (resumeToken: string, userId: string) => {
+	const url = new URL(window.location.href);
+	const { host } = url;
+	return `rocketchat://auth?host=http://${host}&token=${resumeToken}&userId=${userId}`;
+};

apps/meteor/client/lib/sdk/ddpSdk.ts

@@ -66,7 +66,8 @@ export const getDdpSdk = (): DDPSDK => {
 	return instance;
 };
 
-const readStoredLoginToken = (): string | null => (typeof window !== 'undefined' ? window.localStorage.getItem('Meteor.loginToken') : null);
+export const readStoredLoginToken = (): string | null =>
+	typeof window !== 'undefined' ? window.localStorage.getItem('Meteor.loginToken') : null;
 
 let inflightLogin: Promise<void> | undefined;
 

apps/meteor/client/views/root/AppLayout.tsx

@@ -27,11 +27,13 @@ import { useKeyboardShortcutsHotkey } from './hooks/useKeyboardShortcutsHotkey';
 import { useLivechatEnterprise } from './hooks/useLivechatEnterprise';
 import { useLoadMissedMessages } from './hooks/useLoadMissedMessages';
 import { useLoadRoomForAllowedAnonymousRead } from './hooks/useLoadRoomForAllowedAnonymousRead';
+import { useLoginOtherClients } from './hooks/useLoginOtherClients';
 import { useLoginViaQuery } from './hooks/useLoginViaQuery';
 import { useMessageLinkClicks } from './hooks/useMessageLinkClicks';
 import { useNotificationPermission } from './hooks/useNotificationPermission';
 import { useRedirectToSetupWizard } from './hooks/useRedirectToSetupWizard';
 import { useSettingsOnLoadSiteUrl } from './hooks/useSettingsOnLoadSiteUrl';
+import { useShareSessionWithOtherClients } from './hooks/useShareSessionWithOtherClients';
 import { useStartupEvent } from './hooks/useStartupEvent';
 import { appLayout } from '../../lib/appLayout';
 
@@ -70,6 +72,8 @@ const AppLayout = () => {
 	useAutoupdate();
 	useCodeHighlight();
 	useLoginViaQuery();
+	useLoginOtherClients();
+	useShareSessionWithOtherClients();
 	useLoadMissedMessages();
 	useDesktopFavicon();
 	useDesktopTitle();

apps/meteor/client/views/root/hooks/useLoginOtherClients.ts

@@ -0,0 +1,27 @@
+import { useRouter } from '@rocket.chat/ui-contexts';
+import { useEffect } from 'react';
+
+import { buildDeepLinkURL } from '../../../lib/buildAuthDeeplinkURL';
+
+export const useLoginOtherClients = () => {
+	const router = useRouter();
+
+	useEffect(() => {
+		const { resumeToken, loginClient, userId } = router.getSearchParameters();
+
+		if (!resumeToken || !userId) {
+			return;
+		}
+
+		if (loginClient !== 'desktop' && loginClient !== 'mobile') {
+			return;
+		}
+
+		const loginURL = buildDeepLinkURL(resumeToken, userId);
+		window.location.href = loginURL;
+
+		queueMicrotask(() => {
+			router.navigate('/home', { replace: true });
+		});
+	}, [router]);
+};

apps/meteor/client/views/root/hooks/useLoginViaQuery.ts

@@ -7,12 +7,17 @@ export const useLoginViaQuery = () => {
 
 	useEffect(() => {
 		const handleLogin = async () => {
-			const { resumeToken } = router.getSearchParameters();
+			const { resumeToken, loginClient } = router.getSearchParameters();
 
 			if (!resumeToken) {
 				return;
 			}
 
+			//Case handled by useLoginOtherClients, we don't want to login here.
+			if (loginClient) {
+				return;
+			}
+
 			try {
 				await loginWithToken(resumeToken);
 

apps/meteor/client/views/root/hooks/useShareSessionWithOtherClients.ts

@@ -0,0 +1,39 @@
+import { useRouter, useUserId } from '@rocket.chat/ui-contexts';
+import { useEffect } from 'react';
+
+import { buildDeepLinkURL } from '../../../lib/buildAuthDeeplinkURL';
+import { readStoredLoginToken } from '../../../lib/sdk/ddpSdk';
+
+export const useShareSessionWithOtherClients = () => {
+	const router = useRouter();
+	const userId = useUserId();
+
+	useEffect(() => {
+		if (!userId) {
+			return;
+		}
+
+		const loginToken = readStoredLoginToken();
+
+		if (!loginToken) {
+			return;
+		}
+
+		const { resumeToken, loginClient } = router.getSearchParameters();
+
+		if (resumeToken) {
+			return;
+		}
+
+		if (loginClient !== 'desktop' && loginClient !== 'mobile') {
+			return;
+		}
+
+		const loginURL = buildDeepLinkURL(loginToken, userId);
+		window.location.href = loginURL;
+
+		queueMicrotask(() => {
+			router.navigate('/home', { replace: true });
+		});
+	}, [router, userId]);
+};

apps/meteor/definition/externals/express-session.d.ts

@@ -0,0 +1,7 @@
+import 'express-session';
+
+declare module 'express-session' {
+	interface SessionData {
+		loginClient?: string;
+	}
+}

apps/meteor/server/lib/oauth/configureOAuthServices.ts

@@ -9,10 +9,6 @@
 import type { ICachedSettings } from '../../../app/settings/server/CachedSettings';
 import { oAuthRouter } from '../../configuration/configurePassport';
 
-interface IOAuthRequest extends Request {
-	user?: IUser;
-}
-
 export const configureOAuthServices = (oauthServiceConfig: OAuthServiceConfig[], settings: ICachedSettings) => {
 	oauthServiceConfig.forEach((config) => {
 		const Strategy = config.strategy;
@@ -36,7 +32,6 @@
 					const profileWithRaw = profile as Profile & { _json?: Record<string, unknown>; _raw?: string };
 					const { _json, _raw, ...restProfile } = profileWithRaw;
 
-					// eslint-disable-next-line @typescript-eslint/await-thenable
 					const user = await Accounts.updateOrCreateUserFromExternalService(
 						config.provider,
 						{
@@ -67,30 +62,48 @@
 
 		oAuthRouter.get(
 			`/oauth/${config.provider}`,
-			passport.authenticate(config.provider, { scope: config.scope, prompt: 'consent', failureRedirect: '/login' }),
+			(req, _res, next) => {
+				const { loginClient } = req.query;
+				if (loginClient === 'mobile' || loginClient === 'desktop') {
+					req.session.loginClient = loginClient;
+					req.session.save(() => {
+						next();
+					});
+				} else {
+					next();
+				}
+			},
+			passport.authenticate(config.provider, { scope: config.scope, prompt: 'consent', failureRedirect: '/login', keepSessionInfo: true }),
 		);
 		oAuthRouter.get(
 			`/oauth/${config.provider}/callback`,
-			passport.authenticate(config.provider, { failureRedirect: '/login', failureFlash: true, failWithError: true }),
-			async (req: IOAuthRequest, res: Response) => {
+			passport.authenticate(config.provider, { failureRedirect: '/login', failureFlash: true, failWithError: true, keepSessionInfo: true }),
+			async (req: Request, res: Response) => {
 				const oAuthUser = req.user as IUser;
 
 				if (!oAuthUser) {
-					// return res.redirect('/login');
-					return res.redirect('/noOauthUser');
+					return res.redirect('/login');
 				}
 
+				const { loginClient } = req.session;
+
 				const stampedToken = Accounts._generateStampedLoginToken();
 				await Accounts._insertLoginToken(oAuthUser._id, stampedToken);
 
-				res.redirect(`/home?resumeToken=${stampedToken.token}`);
+				let redirectUrl = `/home?resumeToken=${stampedToken.token}&userId=${oAuthUser._id}`;
+
+				if (loginClient) {
+					redirectUrl += `&loginClient=${loginClient}`;
+				}
+
+				res.redirect(redirectUrl);
 
 				req.session.destroy((err) => {
 					if (err) {
 						console.error('Error destroying session', err);
 					}
 				});
 			},
 		);
 	});
 };

packages/desktop-api/src/index.ts

@@ -63,4 +63,5 @@ export interface IRocketChatDesktop {
 	setUserToken: (token: string, userId: string) => void;
 	openDocumentViewer: (url: string, format: string, options: any) => void;
 	reloadServer: () => void;
+	openInBrowser: (url: string) => void;
 }

packages/web-ui-registration/global.d.ts

@@ -0,0 +1,7 @@
+import type { IRocketChatDesktop } from '@rocket.chat/desktop-api';
+
+declare global {
+	interface Window {
+		RocketChatDesktop?: IRocketChatDesktop;
+	}
+}

packages/web-ui-registration/src/LoginServices.tsx

@@ -1,4 +1,4 @@
-import { ButtonGroup, Divider } from '@rocket.chat/fuselage';
+import { Button, ButtonGroup, Divider } from '@rocket.chat/fuselage';
 import { useLoginServices, useSetting } from '@rocket.chat/ui-contexts';
 import type { Dispatch, ReactElement, SetStateAction } from 'react';
 import { useTranslation } from 'react-i18next';
@@ -21,18 +21,35 @@ const LoginServices = ({
 		return null;
 	}
 
+	const isDesktopApp = !!window.RocketChatDesktop?.openInBrowser;
+
+	const handleLoginOnWeb = () => {
+		if (!isDesktopApp) {
+			return;
+		}
+
+		window.RocketChatDesktop?.openInBrowser(`${window.location.href}?loginClient=desktop`);
+	};
+
 	return (
 		<>
 			{showFormLogin && (
 				<Divider mb={24} p={0}>
 					{t('registration.component.form.divider')}
 				</Divider>
 			)}
-			<ButtonGroup vertical stretch small>
-				{services.map((service) => (
-					<LoginServicesButton disabled={disabled} key={service.service} {...service} setError={setError} />
-				))}
-			</ButtonGroup>
+			{!isDesktopApp && (
+				<ButtonGroup vertical stretch small>
+					{services.map((service) => (
+						<LoginServicesButton disabled={disabled} key={service.service} {...service} setError={setError} />
+					))}
+				</ButtonGroup>
+			)}
+			{isDesktopApp && (
+				<Button width='100%' primary onClick={handleLoginOnWeb}>
+					Login on web
+				</Button>
+			)}
 		</>
 	);
 };

packages/web-ui-registration/src/LoginServicesButton.tsx

@@ -32,7 +32,17 @@ const LoginServicesButton = <T extends LoginService>({
 
 	const handleOnClick = useCallback(() => {
 		if (!isLegacyOAuthEnabled) {
-			window.location.href = `/oauth/${service}`;
+			const url = new URL(window.location.href);
+			const queryParams = url.searchParams;
+			const loginClient = queryParams.get('loginClient');
+
+			let redirectUrl = `/oauth/${service}`;
+
+			if (loginClient) {
+				redirectUrl += `?loginClient=${loginClient}`;
+			}
+
+			window.location.href = redirectUrl;
 			return;
 		}
 

packages/web-ui-registration/tsconfig.build.json

@@ -1,5 +1,5 @@
 {
 	"extends": "./tsconfig.json",
-	"include": ["./src/**/*"],
+	"include": ["./src/**/*", "./global.d.ts"],
 	"exclude": ["./src/**/*.spec.ts", "./src/**/*.stories.tsx"]
 }

packages/web-ui-registration/tsconfig.json

@@ -4,5 +4,5 @@
 		"rootDirs": ["./src","./.storybook"],
 		"outDir": "./dist"
 	},
-	"include": ["./src", "./.storybook"],
+	"include": ["./src", "./.storybook", "./global.d.ts"],
 }