BugFix: Proxy data, Logging with IP adresses

bizmatch-server/src/utils/ip.util.ts

@@ -0,0 +1,16 @@
+import { Request } from 'express';
+
+export interface RealIpInfo {
+  ip: string | undefined;
+  countryCode?: string;
+}
+
+export function getRealIpInfo(req: Request): RealIpInfo {
+  const ip =
+    (req.headers['cf-connecting-ip'] as string) ||
+    (req.headers['x-real-ip'] as string) ||
+    (typeof req.headers['x-forwarded-for'] === 'string' ? req.headers['x-forwarded-for'].split(',')[0] : req.connection.remoteAddress);
+  const countryCode = req.headers['cf-ipcountry'] as string;
+
+  return { ip, countryCode };
+}