Files
kubescape/cautils/rbac.go

115 lines
3.4 KiB
Go

package cautils
import (
"encoding/json"
"time"
"github.com/armosec/k8s-interface/workloadinterface"
"github.com/armosec/opa-utils/reporthandling"
"github.com/armosec/rbac-utils/rbacscanner"
"github.com/armosec/rbac-utils/rbacutils"
uuid "github.com/satori/go.uuid"
)
type RBACObjects struct {
scanner *rbacscanner.RbacScannerFromK8sAPI
}
func NewRBACObjects(scanner *rbacscanner.RbacScannerFromK8sAPI) *RBACObjects {
return &RBACObjects{scanner: scanner}
}
func (rbacObjects *RBACObjects) SetResourcesReport() (*reporthandling.PostureReport, error) {
return &reporthandling.PostureReport{
ReportID: uuid.NewV4().String(),
ReportGenerationTime: time.Now().UTC(),
CustomerGUID: rbacObjects.scanner.CustomerGUID,
ClusterName: rbacObjects.scanner.ClusterName,
}, nil
}
func (rbacObjects *RBACObjects) ListAllResources() (map[string]workloadinterface.IMetadata, error) {
resources, err := rbacObjects.scanner.ListResources()
if err != nil {
return nil, err
}
allresources, err := rbacObjects.rbacObjectsToResources(resources)
if err != nil {
return nil, err
}
return allresources, nil
}
func (rbacObjects *RBACObjects) rbacObjectsToResources(resources *rbacutils.RbacObjects) (map[string]workloadinterface.IMetadata, error) {
allresources := map[string]workloadinterface.IMetadata{}
// wrap rbac aggregated objects in IMetadata and add to allresources
// TODO - DEPRECATE SA2WLIDmap
SA2WLIDmapIMeta, err := rbacutils.SA2WLIDmapIMetadataWrapper(resources.SA2WLIDmap)
if err != nil {
return nil, err
}
allresources[SA2WLIDmapIMeta.GetID()] = SA2WLIDmapIMeta
SAID2WLIDmapIMeta, err := rbacutils.SAID2WLIDmapIMetadataWrapper(resources.SAID2WLIDmap)
if err != nil {
return nil, err
}
allresources[SAID2WLIDmapIMeta.GetID()] = SAID2WLIDmapIMeta
// convert rbac k8s resources to IMetadata and add to allresources
for _, cr := range resources.ClusterRoles.Items {
crmap, err := convertToMap(cr)
if err != nil {
return nil, err
}
crmap["apiVersion"] = "rbac.authorization.k8s.io/v1"
crIMeta := workloadinterface.NewWorkloadObj(crmap)
crIMeta.SetKind("ClusterRole")
allresources[crIMeta.GetID()] = crIMeta
}
for _, cr := range resources.Roles.Items {
crmap, err := convertToMap(cr)
if err != nil {
return nil, err
}
crmap["apiVersion"] = "rbac.authorization.k8s.io/v1"
crIMeta := workloadinterface.NewWorkloadObj(crmap)
crIMeta.SetKind("Role")
allresources[crIMeta.GetID()] = crIMeta
}
for _, cr := range resources.ClusterRoleBindings.Items {
crmap, err := convertToMap(cr)
if err != nil {
return nil, err
}
crmap["apiVersion"] = "rbac.authorization.k8s.io/v1"
crIMeta := workloadinterface.NewWorkloadObj(crmap)
crIMeta.SetKind("ClusterRoleBinding")
allresources[crIMeta.GetID()] = crIMeta
}
for _, cr := range resources.RoleBindings.Items {
crmap, err := convertToMap(cr)
if err != nil {
return nil, err
}
crmap["apiVersion"] = "rbac.authorization.k8s.io/v1"
crIMeta := workloadinterface.NewWorkloadObj(crmap)
crIMeta.SetKind("RoleBinding")
allresources[crIMeta.GetID()] = crIMeta
}
return allresources, nil
}
func convertToMap(obj interface{}) (map[string]interface{}, error) {
var inInterface map[string]interface{}
inrec, err := json.Marshal(obj)
if err != nil {
return nil, err
}
err = json.Unmarshal(inrec, &inInterface)
if err != nil {
return nil, err
}
return inInterface, nil
}