From 5ee8a442b68e7d3c8307403410588310ddd59574 Mon Sep 17 00:00:00 2001
From: Felipe Bessa Coelho <felipe.coelho@deskpro.com>
Date: Wed, 7 Aug 2024 15:40:34 +0100
Subject: [PATCH] add x-forwarded-* headers for messenger traffic

---
 ...erver_params => deskpro_server_params.tmpl} | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 rename etc/nginx/conf.d/{deskpro_server_params => deskpro_server_params.tmpl} (83%)

diff --git a/etc/nginx/conf.d/deskpro_server_params b/etc/nginx/conf.d/deskpro_server_params.tmpl
similarity index 83%
rename from etc/nginx/conf.d/deskpro_server_params
rename to etc/nginx/conf.d/deskpro_server_params.tmpl
index 69c4425..2d5642b 100644
--- a/etc/nginx/conf.d/deskpro_server_params
+++ b/etc/nginx/conf.d/deskpro_server_params.tmpl
@@ -58,6 +58,24 @@ location ^~ /sys/services/messenger-api/ {
     proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
     proxy_set_header Host $host;
 
+    {{if getenv "HTTP_USER_REAL_PROTO_HEADER"}}
+      proxy_set_header X-Forwarded-Proto $http_{{ (getenv "HTTP_USER_REAL_PROTO_HEADER") | toLower | replaceAll "-" "_" }} if_not_empty;
+    {{else}}
+      proxy_set_header X-Forwarded-Proto $proto_for_scheme;
+    {{end}}
+
+    {{if getenv "HTTP_USER_REAL_HOST_HEADER"}}
+      proxy_set_header X-Forwaded-Host $http_{{ (getenv "HTTP_USER_REAL_HOST_HEADER") | toLower | replaceAll "-" "_" }} if_not_empty;
+    {{else if getenv "HTTP_SERVE_HOST"}}
+      proxy_set_header X-Forwarded-Host "{{ getenv "HTTP_SERVE_HOST" "$http_host" }}";
+    {{end}}
+
+    {{if getenv "HTTP_USER_REAL_PORT_HEADER"}}
+      proxy_set_header X-Forwarded-Port $http_{{ (getenv "HTTP_USER_REAL_PORT_HEADER") | toLower | replaceAll "-" "_" }} if_not_empty;
+    {{else}}
+      proxy_set_header X-Forwarded-Port $port_for_scheme;
+    {{end}}
+
     proxy_pass http://127.0.0.1:24000/;
     proxy_redirect / /sys/services/messenger-api/;