Ensure double quotes are always used

Author: johnnyshields

lib/ruby_saml/authrequest.rb

@@ -100,6 +100,7 @@ def create_xml_document(settings)
       assign_uuid(settings)
 
       request_doc = RubySaml::XML::Document.new
+      request_doc.context[:attribute_quote] = :quote
 
       root = request_doc.add_element "samlp:AuthnRequest", { "xmlns:samlp" => "urn:oasis:names:tc:SAML:2.0:protocol", "xmlns:saml" => "urn:oasis:names:tc:SAML:2.0:assertion" }
       root.attributes['ID'] = uuid

lib/ruby_saml/logoutrequest.rb

@@ -98,6 +98,7 @@ def create_xml_document(settings)
       assign_uuid(settings)
 
       request_doc = RubySaml::XML::Document.new
+      request_doc.context[:attribute_quote] = :quote
 
       root = request_doc.add_element "samlp:LogoutRequest", { "xmlns:samlp" => "urn:oasis:names:tc:SAML:2.0:protocol", "xmlns:saml" => "urn:oasis:names:tc:SAML:2.0:assertion" }
       root.attributes['ID'] = uuid

lib/ruby_saml/slo_logoutresponse.rb

@@ -109,6 +109,7 @@ def create_xml_document(settings, request_id = nil, logout_message = nil, status
       assign_uuid(settings)
 
       response_doc = RubySaml::XML::Document.new
+      response_doc.context[:attribute_quote] = :quote
 
       destination = settings.idp_slo_response_service_url || settings.idp_slo_service_url