1 files changed, 45 insertions, 0 deletions
diff --git a/api/src/routes/users/@me/mfa/totp/disable.ts b/api/src/routes/users/@me/mfa/totp/disable.ts
new file mode 100644
index 00000000..5e039ea3
--- /dev/null
+++ b/api/src/routes/users/@me/mfa/totp/disable.ts
@@ -0,0 +1,45 @@
+import { Router, Request, Response } from "express";
+import { route } from "@fosscord/api";
+import { verifyToken } from 'node-2fa';
+import { HTTPError } from "lambert-server";
+import { User, generateToken, BackupCode } from "@fosscord/util";
+
+const router = Router();
+
+export interface TotpDisableSchema {
+	code: string;
+}
+
+router.post("/", route({ body: "TotpDisableSchema" }), async (req: Request, res: Response) => {
+	const body = req.body as TotpDisableSchema;
+
+	const user = await User.findOneOrFail({ id: req.user_id }, { select: ["totp_secret"] });
+
+	const backup = await BackupCode.findOne({ code: body.code });
+	if (!backup) {
+		const ret = verifyToken(user.totp_secret!, body.code);
+		if (!ret || ret.delta != 0)
+			throw new HTTPError(req.t("auth:login.INVALID_TOTP_CODE"), 60008);
+	}
+
+	await User.update(
+		{ id: req.user_id },
+		{
+			mfa_enabled: false,
+			totp_secret: "",
+		},
+	);
+
+	await BackupCode.update(
+		{ user: { id: req.user_id } },
+		{
+			expired: true,
+		}
+	);
+
+	return res.json({
+		token: await generateToken(user.id),
+	});
+});
+
+export default router;
\ No newline at end of file