From 18874405b921022f8df9d086f9b2da48f82dedee Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Carl-Gerhard=20Lindesva=CC=88rd?= <lindesvard@gmail.com>
Date: Sun, 9 Feb 2025 21:56:58 +0100
Subject: [PATCH] fix(api): swift sdk has issues with double OpenPanel tags in
 user-agent, if so remove one

---
 apps/api/src/hooks/fix.hook.ts | 25 +++++++++++++++++++++++++
 apps/api/src/index.ts          |  2 ++
 2 files changed, 27 insertions(+)
 create mode 100644 apps/api/src/hooks/fix.hook.ts

diff --git a/apps/api/src/hooks/fix.hook.ts b/apps/api/src/hooks/fix.hook.ts
new file mode 100644
index 00000000..31562e9e
--- /dev/null
+++ b/apps/api/src/hooks/fix.hook.ts
@@ -0,0 +1,25 @@
+import type {
+  FastifyReply,
+  FastifyRequest,
+  HookHandlerDoneFunction,
+} from 'fastify';
+
+export function fixHook(
+  request: FastifyRequest,
+  reply: FastifyReply,
+  done: HookHandlerDoneFunction,
+) {
+  const ua = request.headers['user-agent'];
+  // Swift SDK issue: https://github.com/Openpanel-dev/swift-sdk/commit/d588fa761a36a33f3b78eb79d83bfd524e3c7144
+  if (ua) {
+    const regex = /OpenPanel\/(\d+\.\d+\.\d+)\sOpenPanel\/(\d+\.\d+\.\d+)/;
+    const match = ua.match(regex);
+    if (match) {
+      request.headers['user-agent'] = ua.replace(
+        regex,
+        `OpenPanel/${match[1]}`,
+      );
+    }
+  }
+  done();
+}
diff --git a/apps/api/src/index.ts b/apps/api/src/index.ts
index f842084b..5de46c23 100644
--- a/apps/api/src/index.ts
+++ b/apps/api/src/index.ts
@@ -24,6 +24,7 @@ import {
   healthcheck,
   healthcheckQueue,
 } from './controllers/healthcheck.controller';
+import { fixHook } from './hooks/fix.hook';
 import { ipHook } from './hooks/ip.hook';
 import { requestIdHook } from './hooks/request-id.hook';
 import { requestLoggingHook } from './hooks/request-logging.hook';
@@ -93,6 +94,7 @@ const startServer = async () => {
 
     fastify.addHook('preHandler', ipHook);
     fastify.addHook('preHandler', timestampHook);
+    fastify.addHook('preHandler', fixHook);
     fastify.addHook('onRequest', requestIdHook);
     fastify.addHook('onResponse', requestLoggingHook);