redmine + httpd-auth

gistfile1.txt

diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index 43257b2..b946ec1 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -108,6 +108,8 @@ class ApplicationController < ActionController::Base
       if session[:user_id]
         # existing session
         user = (User.active.find(session[:user_id]) rescue nil)
+      elsif (forwarded_user = request.env["REMOTE_USER"])
+        user = (User.find_by_login(forwarded_user) rescue nil)
       elsif autologin_user = try_to_autologin
         user = autologin_user
       elsif params[:format] == 'atom' && params[:key] && request.get? && accept_rss_auth?