3 files changed, 9 insertions, 4 deletions
diff --git a/actionpack/lib/action_dispatch/middleware/cookies.rb b/actionpack/lib/action_dispatch/middleware/cookies.rb
index a4ffd40a66..51cec41a34 100644
--- a/actionpack/lib/action_dispatch/middleware/cookies.rb
+++ b/actionpack/lib/action_dispatch/middleware/cookies.rb
@@ -243,10 +243,13 @@ module ActionDispatch
         @delete_cookies.clear
       end
 
+      mattr_accessor :always_write_cookie
+      self.always_write_cookie = false
+
       private
 
         def write_cookie?(cookie)
-          @secure || !cookie[:secure] || defined?(Rails.env) && Rails.env.development?
+          @secure || !cookie[:secure] || always_write_cookie
         end
     end
 
diff --git a/actionpack/lib/action_dispatch/railtie.rb b/actionpack/lib/action_dispatch/railtie.rb
index 1af89858d1..f18ebabf29 100644
--- a/actionpack/lib/action_dispatch/railtie.rb
+++ b/actionpack/lib/action_dispatch/railtie.rb
@@ -10,10 +10,12 @@ module ActionDispatch
     config.action_dispatch.tld_length = 1
     config.action_dispatch.ignore_accept_header = false
     config.action_dispatch.rack_cache = {:metastore => "rails:/", :entitystore => "rails:/", :verbose => true}
-
     initializer "action_dispatch.configure" do |app|
       ActionDispatch::Http::URL.tld_length = app.config.action_dispatch.tld_length
       ActionDispatch::Request.ignore_accept_header = app.config.action_dispatch.ignore_accept_header
+
+      config.action_dispatch.always_write_cookie = Rails.env.development? if config.action_dispatch.always_write_cookie.nil?
+      ActionDispatch::Cookies::CookieJar.always_write_cookie = config.action_dispatch.always_write_cookie
     end
   end
 end
diff --git a/actionpack/test/dispatch/cookies_test.rb b/actionpack/test/dispatch/cookies_test.rb
index 49da448001..3765b7eb44 100644
--- a/actionpack/test/dispatch/cookies_test.rb
+++ b/actionpack/test/dispatch/cookies_test.rb
@@ -210,8 +210,8 @@ class CookiesTest < ActionController::TestCase
     assert_equal({"user_name" => "david"}, @response.cookies)
   end
 
-  def test_setting_cookie_with_secure_in_development
-    Rails.env.stubs(:development?).returns(true)
+  def test_setting_cookie_with_secure_when_always_write_cookie_is_true
+    ActionDispatch::Cookies::CookieJar.any_instance.stubs(:always_write_cookie).returns(true)
     get :authenticate_with_secure
     assert_cookie_header "user_name=david; path=/; secure"
     assert_equal({"user_name" => "david"}, @response.cookies)