snapshot of https://github.com/RocketChat/Rocket.Chat.git (develop, 2026-09-16; blobs > 131072B omitted)

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

@@ -0,0 +1,46 @@
+import { useEndpoint, useRouter, useSearchParameter, useLoginWithToken } from '@rocket.chat/ui-contexts';
+import { useMutation } from '@tanstack/react-query';
+import { useEffect } from 'react';
+
+import { buildDeepLinkURL } from '../../../lib/buildAuthDeeplinkURL';
+
+export const useOAuthLogin = () => {
+	const router = useRouter();
+	const loginCode = useSearchParameter('loginCode');
+	const loginClient = useSearchParameter('loginClient');
+	const redeemLoginCode = useEndpoint('POST', '/v1/loginCode.redeem');
+	const loginWithToken = useLoginWithToken();
+
+	const { mutate: redeemLoginCodeMutation } = useMutation({
+		mutationFn: async (loginCode: string) => {
+			const { loginToken, userId } = await redeemLoginCode({ code: loginCode });
+
+			if (!loginToken || !userId) {
+				throw new Error('Invalid response from login code redemption');
+			}
+
+			return { loginToken, userId };
+		},
+		onSuccess: async ({ loginToken, userId }) => {
+			if (loginClient === 'desktop' || loginClient === 'mobile') {
+				window.location.href = buildDeepLinkURL(loginToken, userId);
+				return;
+			}
+
+			await loginWithToken(loginToken);
+			router.navigate('/home', { replace: true });
+		},
+		onError: (error) => {
+			console.error('Failed to redeem login code for client redirect', error);
+			router.navigate('/login', { replace: true });
+		},
+	});
+
+	useEffect(() => {
+		if (!loginCode) {
+			return;
+		}
+
+		redeemLoginCodeMutation(loginCode);
+	}, [loginCode, redeemLoginCodeMutation]);
+};