add bot detection

apps/sdk-api/src/bots/bots.readme.md

@@ -0,0 +1,6 @@
+# Device Detector - The Universal Device Detection library for parsing User Agents
+
+> @link https://matomo.org
+> @license http://www.gnu.org/licenses/lgpl.html LGPL v3 or lat
+
+[bots.ts](./bots.ts) is based on matomo bots.yml file. You can see the original version here [here](https://raw.githubusercontent.com/matomo-org/device-detector/master/regexes/bots.yml).

apps/sdk-api/src/bots/index.ts

@@ -0,0 +1,19 @@
+import bots from './bots';
+
+export function isBot(ua: string) {
+  const res = bots.find((bot) => {
+    if (new RegExp(bot.regex).test(ua)) {
+      return true;
+    }
+    return false;
+  });
+
+  if (!res) {
+    return null;
+  }
+
+  return {
+    name: res.name,
+    type: res.category,
+  };
+}

apps/sdk-api/src/routes/event.router.ts

@@ -1,17 +1,24 @@
+import { isBot as isGetBot } from '@/bots';
 import * as controller from '@/controllers/event.controller';
 import { validateSdkRequest } from '@/utils/auth';
 import type { FastifyPluginCallback } from 'fastify';
 
 const eventRouter: FastifyPluginCallback = (fastify, opts, done) => {
   fastify.addHook('preHandler', (req, reply, done) => {
+    const isBot = req.headers['user-agent']
+      ? isGetBot(req.headers['user-agent'])
+      : false;
+    if (isBot) {
+      reply.log.warn({ ...req.headers, bot: isBot }, 'Bot detected');
+      reply.status(202).send('OK');
+    }
+
     validateSdkRequest(req.headers)
       .then((projectId) => {
         req.projectId = projectId;
         done();
       })
       .catch((e) => {
-        console.log(e);
-
         reply.status(401).send();
       });
   });