Merge pull request #15145 from lpichler/add_rbac_for_virtual_attributes

Add RBAC for virtual attributes in API
(cherry picked from commit bec2d7a)

https://bugzilla.redhat.com/show_bug.cgi?id=1452868

app/controllers/api/base_controller/renderer.rb

@@ -165,6 +165,19 @@ def collection_search(is_subcollection, type, klass)
         Rbac.filtered(res, options)
       end
 
+      def virtual_attribute_search(resource, attribute)
+        if resource.class < ApplicationRecord
+          # is relation in 'attribute' variable plural in the model class (from 'resource.class') ?
+          if [:has_many, :has_and_belongs_to_many].include?(resource.class.reflection_with_virtual(attribute).try(:macro))
+            Rbac.filtered(resource.public_send(attribute))
+          else
+            Rbac.filtered_object(resource).try(:public_send, attribute)
+          end
+        else
+          resource.public_send(attribute)
+        end
+      end
+
       #
       # Let's expand subcollections for objects if asked for
       #
@@ -205,7 +218,7 @@ def expand_virtual_attributes(json, type, resource)
       def fetch_direct_virtual_attribute(type, resource, attr)
         return unless attr_accessible?(resource, attr)
         virtattr_accessor = virtual_attribute_accessor(type, attr)
-        value = virtattr_accessor.nil? ? resource.public_send(attr) : send(virtattr_accessor, resource)
+        value = virtattr_accessor ? send(virtattr_accessor, resource) : virtual_attribute_search(resource, attr)
         result = {attr => normalize_virtual(nil, attr, value, :ignore_nil => true)}
         # set nil vtype above to "#{type}/#{resource.id}/#{attr}" to support id normalization
         [value, result]
@@ -214,7 +227,7 @@ def fetch_direct_virtual_attribute(type, resource, attr)
       def fetch_indirect_virtual_attribute(_type, resource, base, attr, object_hash)
         query_related_objects(base, resource, object_hash)
         return unless attr_accessible?(object_hash[base], attr)
-        value = object_hash[base].public_send(attr)
+        value  = virtual_attribute_search(object_hash[base], attr)
         result = {attr => normalize_virtual(nil, attr, value, :ignore_nil => true)}
         # set nil vtype above to "#{type}/#{resource.id}/#{base.tr('.', '/')}/#{attr}" to support id normalization
         base.split(".").reverse_each { |level| result = {level => result} }

spec/requests/api/providers_spec.rb

@@ -137,6 +137,53 @@ def have_endpoint_attributes(expected_hash)
     have_attributes(h)
   end
 
+  context 'Provider\'s virtual attributes(= direct or indirect associations) with RBAC' do
+    let(:ems_openstack)  { FactoryGirl.create(:ems_openstack, :tenant_mapping_enabled => true) }
+    let(:ems_cinder)     { FactoryGirl.create(:ems_cinder, :parent_manager => ems_openstack) }
+    let(:ems_cinder_url) { providers_url(ems_cinder.id) }
+
+    let(:tenant) { FactoryGirl.create(:tenant, :source_type => 'CloudTenant') }
+    let!(:cloud_tenant_1) { FactoryGirl.create(:cloud_tenant, :source_tenant => tenant, :ext_management_system => ems_openstack) }
+    let!(:cloud_tenant_2) { FactoryGirl.create(:cloud_tenant, :source_tenant => Tenant.root_tenant, :ext_management_system => ems_openstack) }
+
+    let(:role)   { FactoryGirl.create(:miq_user_role) }
+    let!(:group) { FactoryGirl.create(:miq_group, :tenant => tenant, :miq_user_role => role) }
+    let!(:vm)    { FactoryGirl.create(:vm_openstack, :ext_management_system => ems_cinder, :miq_group => group) }
+    let!(:vm_1)  { FactoryGirl.create(:vm_openstack, :ext_management_system => ems_cinder) }
+
+    context 'with restricted user' do
+      let(:user) do
+        FactoryGirl.create(:user, :miq_groups => [group], :password => api_config(:password), :userid => api_config(:user), :name => api_config(:user_name))
+      end
+
+      def define_user
+        @role = role
+        user
+      end
+
+      it 'lists only CloudTenant for the restricted user(indirect association)' do
+        api_basic_authorize action_identifier(:providers, :read, :resource_actions, :get)
+        run_get(ems_cinder_url, :attributes => 'parent_manager.cloud_tenants')
+        cloud_tenant_ids = response.parsed_body['parent_manager']['cloud_tenants'].map { |x| x['id'] }
+        expect([cloud_tenant_1.id]).to match_array(cloud_tenant_ids)
+      end
+
+      it 'lists only CloudTenant for the restricted user(direct association)' do
+        api_basic_authorize action_identifier(:providers, :read, :resource_actions, :get)
+        run_get(ems_cinder_url, :attributes => 'vms')
+        vm_ids = response.parsed_body['vms'].map { |x| x['id'] }
+        expect([vm.id]).to match_array(vm_ids)
+      end
+    end
+
+    it 'lists all CloudTenants' do
+      api_basic_authorize action_identifier(:providers, :read, :resource_actions, :get)
+      run_get(ems_cinder_url, :attributes => 'parent_manager.cloud_tenants')
+      cloud_tenant_ids = response.parsed_body['parent_manager']['cloud_tenants'].map { |x| x['id'] }
+      expect([cloud_tenant_1.id, cloud_tenant_2.id]).to match_array(cloud_tenant_ids)
+    end
+  end
+
   context "Provider custom_attributes" do
     let(:provider) { FactoryGirl.create(:ext_management_system, sample_rhevm) }
     let(:provider_url) { providers_url(provider.id) }