first commit

calcom/packages/trpc/server/routers/publicViewer/checkIfUserEmailVerificationRequired.handler.ts

@@ -0,0 +1,27 @@
+import { extractBaseEmail } from "@calcom/lib/extract-base-email";
+import logger from "@calcom/lib/logger";
+
+import type { TUserEmailVerificationRequiredSchema } from "./checkIfUserEmailVerificationRequired.schema";
+
+const log = logger.getSubLogger({ prefix: ["checkIfUserEmailVerificationRequired"] });
+
+export const userWithEmailHandler = async ({ input }: { input: TUserEmailVerificationRequiredSchema }) => {
+  const { userSessionEmail, email } = input;
+  const baseEmail = extractBaseEmail(email);
+
+  const blacklistedGuestEmails = process.env.BLACKLISTED_GUEST_EMAILS
+    ? process.env.BLACKLISTED_GUEST_EMAILS.split(",")
+    : [];
+
+  const blacklistedEmail = blacklistedGuestEmails.find(
+    (guestEmail: string) => guestEmail.toLowerCase() === baseEmail.toLowerCase()
+  );
+
+  if (!!blacklistedEmail && blacklistedEmail !== userSessionEmail) {
+    log.warn(`blacklistedEmail: ${blacklistedEmail}`);
+    return true;
+  }
+  return false;
+};
+
+export default userWithEmailHandler;