reverse_proxy: Add 'transparent' Caddyfile subdirective (closes #2873)

Matthew Holt committed Feb 27, 2020 at 10:20 UTC 86b785e51cccd5df18611c380962cbd4faf38af5

1 file changed +15

modules/caddyhttp/reverseproxy/caddyfile.go

+15

@@ -411,6 +411,21 @@ func (h *Handler) UnmarshalCaddyfile(d *caddyfile.Dispenser) error {

411 }

412 h.TransportRaw = caddyconfig.JSONModuleObject(rt, "protocol", name, nil)

413

414 + case "transparent":

415 + if d.NextArg() {

416 + return d.ArgErr()

417 + }

418 + if h.Headers == nil {

419 + h.Headers = new(headers.Handler)

420 + }

421 + if h.Headers.Request == nil {

422 + h.Headers.Request = new(headers.HeaderOps)

423 + }

424 + // The X-Forwarded-For header is always appended to by default, directly in the reverse proxy code

425 + headers.CaddyfileHeaderOp(h.Headers.Request, "Host", "{http.request.hostport}", "")

426 + headers.CaddyfileHeaderOp(h.Headers.Request, "X-Real-Ip", "{http.request.remote}", "")

427 + headers.CaddyfileHeaderOp(h.Headers.Request, "X-Forwarded-Proto", "{http.request.scheme}", "")

428 +

429 default:

430 return d.Errf("unrecognized subdirective %s", d.Val())

431 }