1 files changed, 42 insertions, 0 deletions
diff --git a/src/api/routes/auth/mfa/totp.ts b/src/api/routes/auth/mfa/totp.ts
new file mode 100644
index 00000000..421dbafa
--- /dev/null
+++ b/src/api/routes/auth/mfa/totp.ts
@@ -0,0 +1,42 @@
+import { Router, Request, Response } from "express";
+import { route } from "@fosscord/api";
+import { BackupCode, FieldErrors, generateToken, TotpSchema, User } from "@fosscord/util";
+import { verifyToken } from "node-2fa";
+import { HTTPError } from "lambert-server";
+const router = Router();
+
+router.post("/", route({ body: "TotpSchema" }), async (req: Request, res: Response) => {
+	const { code, ticket, gift_code_sku_id, login_source } = req.body as TotpSchema;
+
+	const user = await User.findOneOrFail({
+		where: {
+			totp_last_ticket: ticket,
+		},
+		select: [
+			"id",
+			"totp_secret",
+			"settings",
+		],
+	});
+
+	const backup = await BackupCode.findOne({ where: { code: code, expired: false, consumed: false, user: { id: user.id } } });
+
+	if (!backup) {
+		const ret = verifyToken(user.totp_secret!, code);
+		if (!ret || ret.delta != 0)
+			throw new HTTPError(req.t("auth:login.INVALID_TOTP_CODE"), 60008);
+	}
+	else {
+		backup.consumed = true;
+		await backup.save();
+	}
+
+	await User.update({ id: user.id }, { totp_last_ticket: "" });
+
+	return res.json({
+		token: await generateToken(user.id),
+		user_settings: user.settings,
+	});
+});
+
+export default router;