first commit

calcom/packages/trpc/server/routers/viewer/auth/verifyCodeUnAuthenticated.handler.ts

@@ -0,0 +1,26 @@
+import { createHash } from "crypto";
+
+import { totpRawCheck } from "@calcom/lib/totp";
+import type { ZVerifyCodeInputSchema } from "@calcom/prisma/zod-utils";
+
+import { TRPCError } from "@trpc/server";
+
+type VerifyTokenOptions = {
+  input: ZVerifyCodeInputSchema;
+};
+
+export const verifyCodeUnAuthenticatedHandler = async ({ input }: VerifyTokenOptions) => {
+  const { email, code } = input;
+
+  if (!email || !code) throw new TRPCError({ code: "BAD_REQUEST" });
+
+  const secret = createHash("md5")
+    .update(email + process.env.CALENDSO_ENCRYPTION_KEY)
+    .digest("hex");
+
+  const isValidToken = totpRawCheck(code, secret, { step: 900 });
+
+  if (!isValidToken) throw new TRPCError({ code: "BAD_REQUEST", message: "invalid_code" });
+
+  return isValidToken;
+};