Use x-forwarded-for

src/server/lib/getIpFromContext.ts

@@ -3,8 +3,11 @@ import { Context } from '../trpc'
 export function getIpFromContext(ctx: Context) {
   if (process.env.NODE_ENV === 'development') return '10.7.16.254'
 
-  const ip = ctx.ip.split(':').slice(-1)[0]
-  // console.log(`IP: ${ip}`)
+  let ip: string
+
+  if (ctx.headers['x-forwarded-for'])
+    ip = ctx.headers['x-forwarded-for'][0].split(',').shift() || ''
+  else ip = ctx.ip.split(':').slice(-1)[0]
 
   return ip
 }

src/server/trpc.ts

@@ -9,7 +9,7 @@ import { PaFirewall } from './services/PaFirewall'
 
 // Created for each request
 function createContext({ req, res }: trpcExpress.CreateExpressContextOptions) {
-  return { ip: req.ip }
+  return { ip: req.ip, headers: req.headers }
 }
 
 export type Context = inferAsyncReturnType<typeof createContext>