From 0f40562e710445dc0b793dba8962d235ba3bd954 Mon Sep 17 00:00:00 2001 From: Eric Wong Date: Tue, 31 May 2016 03:30:32 +0000 Subject: proxy_pass: X-Forwarded-For appends to existing list Ugh, this is a little slower, but some people will want to forward through multiple proxies. --- lib/yahns/proxy_pass.rb | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'lib') diff --git a/lib/yahns/proxy_pass.rb b/lib/yahns/proxy_pass.rb index 8e0b742..a30089d 100644 --- a/lib/yahns/proxy_pass.rb +++ b/lib/yahns/proxy_pass.rb @@ -59,9 +59,12 @@ class Yahns::ProxyPass # :nodoc: ver = 'HTTP/1.0'.freeze end + addr = env['REMOTE_ADDR'] + xff = env['HTTP_X_FORWARDED_FOR'] + xff = xff =~ /\S/ ? "#{xff}, #{addr}" : addr req = "#{env['REQUEST_METHOD']} #{req} #{ver}\r\n" \ "X-Forwarded-Proto: #{env['rack.url_scheme']}\r\n" \ - "X-Forwarded-For: #{env["REMOTE_ADDR"]}\r\n".dup + "X-Forwarded-For: #{xff}\r\n".dup # pass most HTTP_* headers through as-is chunked = false -- cgit v1.2.3-24-ge0c7