fix(api/uac): panic on external stacks UAC eval (#2073)

api/http/handler/docker/utils/get_stacks.go

@@ -19,6 +19,7 @@ type StackViewModel struct {
 	Name       string
 	IsExternal bool
 	Type       portainer.StackType
+	Labels     map[string]string
 }
 
 // GetDockerStacks retrieves all the stacks associated to a specific environment filtered by the user's access.
@@ -56,6 +57,7 @@ func GetDockerStacks(tx dataservices.DataStoreTx, securityContext *security.Rest
 				Name:       name,
 				IsExternal: true,
 				Type:       portainer.DockerComposeStack,
+				Labels:     container.Labels,
 			}
 		}
 	}
@@ -68,6 +70,7 @@ func GetDockerStacks(tx dataservices.DataStoreTx, securityContext *security.Rest
 				Name:       name,
 				IsExternal: true,
 				Type:       portainer.DockerSwarmStack,
+				Labels:     service.Spec.Labels,
 			}
 		}
 	}
@@ -79,7 +82,10 @@ func GetDockerStacks(tx dataservices.DataStoreTx, securityContext *security.Rest
 
 	return uac.FilterByResourceControl(stacksList, user, securityContext.UserMemberships,
 		func(item StackViewModel) (*portainer.ResourceControl, error) {
-			return uac.StackResourceControlGetter(tx, environmentID)(*item.InternalStack)
+			if item.InternalStack != nil {
+				return uac.StackResourceControlGetter(tx, environmentID)(*item.InternalStack)
+			}
+			return uac.ExternalStackResourceControlGetter(tx, environmentID)(uac.ExternalStack{Labels: item.Labels})
 		},
 	)
 }

api/http/handler/docker/utils/get_stacks_test.go

@@ -8,7 +8,7 @@ import (
 	portainer "github.com/portainer/portainer/api"
 	"github.com/portainer/portainer/api/dataservices"
 	"github.com/portainer/portainer/api/datastore"
-	dockerconsts "github.com/portainer/portainer/api/docker/consts"
+	"github.com/portainer/portainer/api/docker/consts"
 	"github.com/portainer/portainer/api/http/security"
 
 	"github.com/stretchr/testify/assert"
@@ -28,12 +28,13 @@ func TestHandler_getDockerStacks(t *testing.T) {
 	containers := []types.Container{
 		{
 			Labels: map[string]string{
-				dockerconsts.ComposeStackNameLabel: "stack1",
+				consts.ComposeStackNameLabel: "stack1",
 			},
 		},
 		{
 			Labels: map[string]string{
-				dockerconsts.ComposeStackNameLabel: "stack2",
+				consts.ComposeStackNameLabel:        "stack2",
+				"io.portainer.accesscontrol.public": "true",
 			},
 		},
 	}
@@ -43,7 +44,7 @@ func TestHandler_getDockerStacks(t *testing.T) {
 			Spec: swarm.ServiceSpec{
 				Annotations: swarm.Annotations{
 					Labels: map[string]string{
-						dockerconsts.SwarmStackNameLabel: "stack3",
+						consts.SwarmStackNameLabel: "stack3",
 					},
 				},
 			},
@@ -65,14 +66,16 @@ func TestHandler_getDockerStacks(t *testing.T) {
 		is.NoError(tx.Stack().Create(&stack1))
 		is.NoError(tx.Stack().Create(&portainer.Stack{
 			ID:         2,
-			Name:       "stack2",
+			Name:       "stack2", // stack 2 on env 2
 			EndpointID: 2,
 			Type:       portainer.DockerSwarmStack,
 		}))
 		is.NoError(tx.User().Create(&portainer.User{ID: 1, Role: portainer.AdministratorRole}))
+		is.NoError(tx.User().Create(&portainer.User{ID: 2, Role: portainer.StandardUserRole}))
 		return nil
 	}))
 
+	// testing admin user
 	is.NoError(store.ViewTx(func(tx dataservices.DataStoreTx) error {
 		stacksList, err := GetDockerStacks(tx, &security.RestrictedRequestContext{
 			IsAdmin: true,
@@ -93,11 +96,43 @@ func TestHandler_getDockerStacks(t *testing.T) {
 				Name:       "stack2",
 				IsExternal: true,
 				Type:       portainer.DockerComposeStack,
+				Labels: map[string]string{
+					consts.ComposeStackNameLabel:        "stack2",
+					"io.portainer.accesscontrol.public": "true",
+				},
 			},
 			{
 				Name:       "stack3",
 				IsExternal: true,
 				Type:       portainer.DockerSwarmStack,
+				Labels: map[string]string{
+					consts.SwarmStackNameLabel: "stack3",
+				},
+			},
+		}
+
+		assert.ElementsMatch(t, expectedStacks, stacksList)
+		return nil
+	}))
+
+	// testing standard user
+	is.NoError(store.ViewTx(func(tx dataservices.DataStoreTx) error {
+		stacksList, err := GetDockerStacks(tx, &security.RestrictedRequestContext{
+			IsAdmin: false,
+			UserID:  2,
+		}, environment.ID, containers, services)
+		require.NoError(t, err)
+		assert.Len(t, stacksList, 1)
+
+		expectedStacks := []StackViewModel{
+			{
+				Name:       "stack2",
+				IsExternal: true,
+				Type:       portainer.DockerComposeStack,
+				Labels: map[string]string{
+					consts.ComposeStackNameLabel:        "stack2",
+					"io.portainer.accesscontrol.public": "true",
+				},
 			},
 		}