Initial commit

app/controllers/carto/saml_controller.rb

@@ -0,0 +1,27 @@
+require_dependency 'carto/controller_helper'
+
+module Carto
+  class SamlController < ApplicationController
+    include Carto::ControllerHelper
+
+    ssl_required  :metadata
+    before_filter :load_organization, :ensure_saml_enabled
+
+    rescue_from LoadError, UnauthorizedError, with: :rescue_from_carto_error
+
+    def metadata
+      render(xml: Carto::SamlService.new(@organization).saml_metadata)
+    end
+
+    private
+
+    def load_organization
+      @organization = Carto::Organization.where(name: CartoDB.extract_subdomain(request)).first
+      raise LoadError.new('Organization does not exist') unless @organization
+    end
+
+    def ensure_saml_enabled
+      raise UnauthorizedError.new('SAML not enabled') unless @organization.auth_saml_enabled?
+    end
+  end
+end