link-stack/apps/link/middleware.ts

// middleware.ts
import { NextResponse } from 'next/server'
import type { NextRequest } from 'next/server'
import { withAuth } from "next-auth/middleware"

export default withAuth((request: NextRequest) => {
  if (request.nextUrl.pathname.startsWith('/login')) {
    return NextResponse.next()
  }

  // @ts-expect-error
  if (!request.nextauth.token) {
    return NextResponse.redirect("/login")
  }
  // @ts-expect-error
  console.log({ token: request.nextauth.token })
  console.log("INTO middleware")
  const path = request.nextUrl.pathname
  console.log({ path })
  const zammadPaths = ['/zammad', '/assets', '/api/v1', '/auth/sso', '/ws'];
  if (zammadPaths.some((p) => path.startsWith(p))) {
    console.log("MATCHED ZAMMAD PATH")
    const finalURL = new URL(path.replace("/zammad", ""), process.env.ZAMMAD_URL)
    console.log(finalURL.toString())

    const requestHeaders = new Headers(request.headers)
    // @ts-expect-error
    requestHeaders.set('X-Forwarded-User', request.nextauth.token?.email)
    requestHeaders.set('Host', 'zammad.example.com')

    console.log(requestHeaders)
    return NextResponse.rewrite(finalURL, {
      request: {
        headers: requestHeaders
      }
    })
  } else {
    console.log("DID NOT MATCH ZAMMAD PATH")
    return NextResponse.next()
  }
}, {
  pages: {
    signIn: '/login',
  }
})