From a9823ab59aefffd0c746c05b7d87075f11c60cbc Mon Sep 17 00:00:00 2001
From: Robin Ward <robin.ward@gmail.com>
Date: Wed, 28 Oct 2015 17:16:56 -0400
Subject: [PATCH] FIX: Use a cookie to bypass the anon cache

---
 app/controllers/users/omniauth_callbacks_controller.rb | 1 +
 lib/middleware/anonymous_cache.rb                      | 7 ++++++-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/app/controllers/users/omniauth_callbacks_controller.rb b/app/controllers/users/omniauth_callbacks_controller.rb
index 39209b417..a7fc7aaf4 100644
--- a/app/controllers/users/omniauth_callbacks_controller.rb
+++ b/app/controllers/users/omniauth_callbacks_controller.rb
@@ -57,6 +57,7 @@ class Users::OmniauthCallbacksController < ApplicationController
       complete_response_data
 
       if provider && provider.full_screen_login
+        cookies['_bypass_cache'] = true
         flash[:authentication_data] = @auth_result.to_client_hash.to_json
         redirect_to @origin
       else
diff --git a/lib/middleware/anonymous_cache.rb b/lib/middleware/anonymous_cache.rb
index a65eb2df1..a79b42256 100644
--- a/lib/middleware/anonymous_cache.rb
+++ b/lib/middleware/anonymous_cache.rb
@@ -64,8 +64,13 @@ module Middleware
         CurrentUser.has_auth_cookie?(@env)
       end
 
+      def no_cache_bypass
+        request = Rack::Request.new(@env)
+        request.cookies['_bypass_cache'].nil?
+      end
+
       def cacheable?
-        !!(!has_auth_cookie? && get?)
+        !!(!has_auth_cookie? && get? && no_cache_bypass)
       end
 
       def cached