From 1e1e09304dd2d2c8e534929ad0a3dc47bd54d03f Mon Sep 17 00:00:00 2001
From: Behrang Javaherian <bjavaherian@fairfaxdigital.com.au>
Date: Thu, 2 Feb 2012 11:21:25 +1100
Subject: [PATCH] Handle HTTP_X_FORWARDED_PROTO header for https

---
 lib/omniauth/strategy.rb | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/omniauth/strategy.rb b/lib/omniauth/strategy.rb
index 5f61e27..c080514 100644
--- a/lib/omniauth/strategy.rb
+++ b/lib/omniauth/strategy.rb
@@ -376,6 +376,8 @@ module OmniAuth
           uri = URI.parse(request.url.gsub(/\?.*$/,''))
           uri.path = ''
           uri.query = nil
+          #sometimes the url is actually showing http inside rails because the other layers (like nginx) have handled the ssl termination.
+          uri.scheme = 'https' if(request.env['HTTP_X_FORWARDED_PROTO'] == 'https')          
           uri.to_s
       end
     end