jdanielnd · September 2, 2014 20:06 · Sep 2, 2014
diff --git a/mixed_authenticatable.rb b/mixed_authenticatable.rb
@@ -0,0 +1,43 @@
+require 'devise/strategies/authenticatable'
+
+module Devise
+  module Strategies
+    class MixedAuthenticatable < Authenticatable
+      def authenticate! 
+        authenticator.authenticate!
+      end
+
+      private
+
+      def authenticator
+        authenticator_factory.new(@env, @scope)
+      end
+
+      def authenticator_factory
+        if user_requires_ldap_authentication
+          LdapAuthenticatable
+        else
+          DatabaseAuthenticatable
+        end
+      end
+
+      def user_requires_ldap_authentication
+        if user = User.find_by_email(email)
+          user.organization_requires_ldap?
+        else
+          false
+        end
+      end
+
+      def email
+        user_params[:email]
+      end
+
+      def user_params
+        params[:user]
+      end
+    end
+  end
+end
+
+Warden::Strategies.add(:mixed_authenticatable, Devise::Strategies::MixedAuthenticatable)