From 6f2749e4c45f7d985d2998500215bc78ec9c5523 Mon Sep 17 00:00:00 2001
From: "tg(x)" <*@tg-x.net>
Date: Fri, 20 Jan 2017 00:07:15 +0100
Subject: nginx: taler.net: redirect based on accept-language header

---
 etc/nginx/nginx.conf                 |  2 ++
 etc/nginx/sites-enabled/www-ssl.site | 23 +++++++++++++++++++++++
 2 files changed, 25 insertions(+)

diff --git a/etc/nginx/nginx.conf b/etc/nginx/nginx.conf
index 732400e..cc74255 100644
--- a/etc/nginx/nginx.conf
+++ b/etc/nginx/nginx.conf
@@ -2,6 +2,8 @@ user www-data;
 worker_processes 4;
 pid /var/run/nginx.pid;
 
+include /etc/nginx/modules-enabled/*.conf;
+
 events {
 	worker_connections 768;
 	# multi_accept on;
diff --git a/etc/nginx/sites-enabled/www-ssl.site b/etc/nginx/sites-enabled/www-ssl.site
index adc2df0..13e5864 100644
--- a/etc/nginx/sites-enabled/www-ssl.site
+++ b/etc/nginx/sites-enabled/www-ssl.site
@@ -9,6 +9,29 @@ server {
 	server_name www.taler.net;
 	include conf.d/talerssl;
 
+        location = / {
+            rewrite_by_lua '
+              for lang in (ngx.var.http_accept_language .. ","):gmatch("([^,]*),") do
+                if string.sub(lang, 0, 2) == "en" then
+                  ngx.redirect("/en/")
+                end
+                if string.sub(lang, 0, 2) == "de" then
+                  ngx.redirect("/de/")
+                end
+                if string.sub(lang, 0, 2) == "fr" then
+                  ngx.redirect("/fr/")
+                end
+                if string.sub(lang, 0, 2) == "it" then
+                  ngx.redirect("/it/")
+                end
+                if string.sub(lang, 0, 2) == "es" then
+                  ngx.redirect("/es/")
+                end
+              end
+              ngx.redirect("/en/")
+            ';
+        }
+
 	location / {
 	    root /var/www/taler.net;
 	    autoindex off;
-- 
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