mirror of
https://github.com/pomerium/pomerium.git
synced 2025-05-08 14:56:01 +02:00
23 lines
903 B
Lua
23 lines
903 B
Lua
function envoy_on_request(request_handle)
|
|
local headers = request_handle:headers()
|
|
local dynamic_meta = request_handle:streamInfo():dynamicMetadata()
|
|
|
|
local authority = headers:get(":authority")
|
|
|
|
-- store the authority header in the metadata so we can retrieve it in the response
|
|
dynamic_meta:set("envoy.filters.http.lua", "request.authority", authority)
|
|
end
|
|
|
|
function envoy_on_response(response_handle)
|
|
local headers = response_handle:headers()
|
|
local dynamic_meta = response_handle:streamInfo():dynamicMetadata()
|
|
|
|
local authority =
|
|
dynamic_meta:get("envoy.filters.http.lua")["request.authority"]
|
|
|
|
-- if we got a 404 (no route found) and the authority header doens't match
|
|
-- assume we've coalesced http/2 connections and return a 421
|
|
if headers:get(":status") == "404" and authority ~= "%s" then
|
|
headers:replace(":status", "421")
|
|
end
|
|
end
|