Ignore requests from bot for headless router (calcom#23733)

Author: hariombalhara

apps/web/package.json

@@ -93,6 +93,7 @@
     "handlebars": "^4.7.7",
     "ical.js": "^1.4.0",
     "ics": "^2.37.0",
+    "isbot": "^5.1.30",
     "jose": "^4.13.1",
     "jotai": "^2.12.2",
     "jsdom": "^22.0.0",

apps/web/server/lib/router/getServerSideProps.ts

@@ -1,14 +1,35 @@
 import { wrapGetServerSidePropsWithSentry } from "@sentry/nextjs";
+import { isbot } from "isbot";
 import type { GetServerSidePropsContext } from "next";
 
 import { getRoutedUrl, hasEmbedPath } from "@calcom/features/routing-forms/lib/getRoutedUrl";
+import logger from "@calcom/lib/logger";
 
 import { TRPCError } from "@trpc/server";
 
+const log = logger.getSubLogger({ prefix: ["router/getServerSideProps"] });
+
+// Show a positive message to the bots so that they don't think that the form is broken.
+const BOT_MESSAGE = "Thank you for your interest! We will be in touch soon.";
+
 export const getServerSideProps = wrapGetServerSidePropsWithSentry(async function getServerSideProps(
   context: GetServerSidePropsContext
 ) {
   try {
+    // Check if the request is from a bot
+    const userAgent = context.req.headers["user-agent"];
+    if (userAgent && isbot(userAgent)) {
+      log.info(`[BOT] Ignoring request from user agent: ${userAgent}`);
+      return {
+        props: {
+          isEmbed: hasEmbedPath(context.req.url || ""),
+          form: null,
+          message: BOT_MESSAGE,
+          errorMessage: null,
+        },
+      };
+    }
+
     return await getRoutedUrl(context);
   } catch (error) {
     if (error instanceof TRPCError && error.code === "TOO_MANY_REQUESTS") {

yarn.lock

@@ -4307,6 +4307,7 @@ __metadata:
     handlebars: ^4.7.7
     ical.js: ^1.4.0
     ics: ^2.37.0
+    isbot: ^5.1.30
     jose: ^4.13.1
     jotai: ^2.12.2
     jsdom: ^22.0.0
@@ -31899,6 +31900,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"isbot@npm:^5.1.30":
+  version: 5.1.30
+  resolution: "isbot@npm:5.1.30"
+  checksum: 296e6c13767d0d0cff22f778aa8e06fddf59eb347ed0c237647f9a65fd0681fd420468cc9e145f4c9fe7b9d17784816f4991d0299b1f3d489822c0d5c773d264
+  languageName: node
+  linkType: hard
+
 "isbuffer@npm:~0.0.0":
   version: 0.0.0
   resolution: "isbuffer@npm:0.0.0"