From cccc759ff7ede6e2d3c15fdad7574c536fb275e8 Mon Sep 17 00:00:00 2001
From: Aaron Patterson <aaron.patterson@gmail.com>
Date: Mon, 24 Aug 2015 16:14:42 -0700
Subject: [PATCH] remove more direct access to `env`

---
 actionpack/lib/action_dispatch/http/request.rb | 3 ++-
 actionpack/lib/action_dispatch/http/url.rb     | 4 ++--
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/actionpack/lib/action_dispatch/http/request.rb b/actionpack/lib/action_dispatch/http/request.rb
index b9fc703fe2..ea688e10bf 100644
--- a/actionpack/lib/action_dispatch/http/request.rb
+++ b/actionpack/lib/action_dispatch/http/request.rb
@@ -35,7 +35,8 @@ module ActionDispatch
         HTTP_ACCEPT_LANGUAGE HTTP_CACHE_CONTROL HTTP_FROM
         HTTP_NEGOTIATE HTTP_PRAGMA HTTP_CLIENT_IP
         HTTP_X_FORWARDED_FOR HTTP_VERSION
-        HTTP_X_REQUEST_ID
+        HTTP_X_REQUEST_ID HTTP_X_FORWARDED_HOST
+        SERVER_ADDR
         ].freeze
 
     ENV_METHODS.each do |env|
diff --git a/actionpack/lib/action_dispatch/http/url.rb b/actionpack/lib/action_dispatch/http/url.rb
index 6fcf49030b..096fe2fcf8 100644
--- a/actionpack/lib/action_dispatch/http/url.rb
+++ b/actionpack/lib/action_dispatch/http/url.rb
@@ -229,10 +229,10 @@ module ActionDispatch
       #   req = Request.new 'HTTP_HOST' => 'example.com:8080'
       #   req.raw_host_with_port # => "example.com:8080"
       def raw_host_with_port
-        if forwarded = env["HTTP_X_FORWARDED_HOST"].presence
+        if forwarded = x_forwarded_host.presence
           forwarded.split(/,\s?/).last
         else
-          env['HTTP_HOST'] || "#{env['SERVER_NAME'] || env['SERVER_ADDR']}:#{env['SERVER_PORT']}"
+          get_header('HTTP_HOST') || "#{server_name || server_addr}:#{get_header('SERVER_PORT')}"
         end
       end