@@ -48,9 +48,6 @@ type Attributes interface {
|
||||
// The namespace of the object, if a request is for a REST object.
|
||||
GetNamespace() string
|
||||
|
||||
// The devops project of the object, if a request is for a REST object.
|
||||
GetDevopsProject() string
|
||||
|
||||
// The kind of object, if a request is for a REST object.
|
||||
GetResource() string
|
||||
|
||||
@@ -106,7 +103,6 @@ type AttributesRecord struct {
|
||||
Cluster string
|
||||
Workspace string
|
||||
Namespace string
|
||||
DevopsProject string
|
||||
APIGroup string
|
||||
APIVersion string
|
||||
Resource string
|
||||
@@ -141,10 +137,6 @@ func (a AttributesRecord) GetNamespace() string {
|
||||
return a.Namespace
|
||||
}
|
||||
|
||||
func (a AttributesRecord) GetDevopsProject() string {
|
||||
return a.DevopsProject
|
||||
}
|
||||
|
||||
func (a AttributesRecord) GetResource() string {
|
||||
return a.Resource
|
||||
}
|
||||
|
||||
@@ -22,79 +22,68 @@ import (
|
||||
"context"
|
||||
"github.com/open-policy-agent/opa/rego"
|
||||
"kubesphere.io/kubesphere/pkg/apiserver/authorization/authorizer"
|
||||
am2 "kubesphere.io/kubesphere/pkg/models/iam/am"
|
||||
"kubesphere.io/kubesphere/pkg/models/iam/am"
|
||||
)
|
||||
|
||||
type opaAuthorizer struct {
|
||||
am am2.AccessManagementInterface
|
||||
am am.AccessManagementInterface
|
||||
}
|
||||
|
||||
func (o *opaAuthorizer) Authorize(a authorizer.Attributes) (authorized authorizer.Decision, reason string, err error) {
|
||||
func (o *opaAuthorizer) Authorize(attr authorizer.Attributes) (authorized authorizer.Decision, reason string, err error) {
|
||||
|
||||
platformRole, err := o.am.GetPlatformRole(a.GetUser().GetName())
|
||||
platformRole, err := o.am.GetPlatformRole(attr.GetUser().GetName())
|
||||
if err != nil {
|
||||
return authorizer.DecisionDeny, "", err
|
||||
}
|
||||
|
||||
// check platform role policy rules
|
||||
if a, r, e := o.roleAuthorize(platformRole, a); a == authorizer.DecisionAllow {
|
||||
if a, r, e := makeDecision(platformRole, attr); a == authorizer.DecisionAllow {
|
||||
return a, r, e
|
||||
}
|
||||
|
||||
// it's not in cluster resource, permission denied
|
||||
// TODO declare implicit cluster info in request Info
|
||||
if a.GetCluster() == "" {
|
||||
if attr.GetCluster() == "" {
|
||||
return authorizer.DecisionDeny, "permission undefined", nil
|
||||
}
|
||||
|
||||
clusterRole, err := o.am.GetClusterRole(a.GetCluster(), a.GetUser().GetName())
|
||||
clusterRole, err := o.am.GetClusterRole(attr.GetCluster(), attr.GetUser().GetName())
|
||||
if err != nil {
|
||||
return authorizer.DecisionDeny, "", err
|
||||
}
|
||||
|
||||
// check cluster role policy rules
|
||||
if a, r, e := o.roleAuthorize(clusterRole, a); a == authorizer.DecisionAllow {
|
||||
if a, r, e := makeDecision(clusterRole, attr); a == authorizer.DecisionAllow {
|
||||
return a, r, e
|
||||
}
|
||||
|
||||
// it's not in cluster resource, permission denied
|
||||
if a.GetWorkspace() == "" && a.GetNamespace() == "" && a.GetDevopsProject() == "" {
|
||||
if attr.GetWorkspace() == "" && attr.GetNamespace() == "" {
|
||||
return authorizer.DecisionDeny, "permission undefined", nil
|
||||
}
|
||||
|
||||
workspaceRole, err := o.am.GetWorkspaceRole(a.GetWorkspace(), a.GetUser().GetName())
|
||||
workspaceRole, err := o.am.GetWorkspaceRole(attr.GetWorkspace(), attr.GetUser().GetName())
|
||||
if err != nil {
|
||||
return authorizer.DecisionDeny, "", err
|
||||
}
|
||||
|
||||
// check workspace role policy rules
|
||||
if a, r, e := o.roleAuthorize(workspaceRole, a); a == authorizer.DecisionAllow {
|
||||
if a, r, e := makeDecision(workspaceRole, attr); a == authorizer.DecisionAllow {
|
||||
return a, r, e
|
||||
}
|
||||
|
||||
// it's not in workspace resource, permission denied
|
||||
if a.GetNamespace() == "" && a.GetDevopsProject() == "" {
|
||||
if attr.GetNamespace() == "" {
|
||||
return authorizer.DecisionDeny, "permission undefined", nil
|
||||
}
|
||||
|
||||
if a.GetNamespace() != "" {
|
||||
namespaceRole, err := o.am.GetNamespaceRole(a.GetNamespace(), a.GetUser().GetName())
|
||||
if attr.GetNamespace() != "" {
|
||||
namespaceRole, err := o.am.GetNamespaceRole(attr.GetNamespace(), attr.GetUser().GetName())
|
||||
if err != nil {
|
||||
return authorizer.DecisionDeny, "", err
|
||||
}
|
||||
// check namespace role policy rules
|
||||
if a, r, e := o.roleAuthorize(namespaceRole, a); a == authorizer.DecisionAllow {
|
||||
return a, r, e
|
||||
}
|
||||
}
|
||||
|
||||
if a.GetDevopsProject() != "" {
|
||||
devOpsRole, err := o.am.GetDevOpsRole(a.GetNamespace(), a.GetUser().GetName())
|
||||
if err != nil {
|
||||
return authorizer.DecisionDeny, "", err
|
||||
}
|
||||
// check devops role policy rules
|
||||
if a, r, e := o.roleAuthorize(devOpsRole, a); a == authorizer.DecisionAllow {
|
||||
if a, r, e := makeDecision(namespaceRole, attr); a == authorizer.DecisionAllow {
|
||||
return a, r, e
|
||||
}
|
||||
}
|
||||
@@ -102,14 +91,18 @@ func (o *opaAuthorizer) Authorize(a authorizer.Attributes) (authorized authorize
|
||||
return authorizer.DecisionDeny, "", nil
|
||||
}
|
||||
|
||||
func (o *opaAuthorizer) roleAuthorize(role am2.Role, a authorizer.Attributes) (authorized authorizer.Decision, reason string, err error) {
|
||||
// Make decision base on role
|
||||
func makeDecision(role am.Role, a authorizer.Attributes) (authorized authorizer.Decision, reason string, err error) {
|
||||
|
||||
// Call the rego.New function to create an object that can be prepared or evaluated
|
||||
// After constructing a new rego.Rego object you can call PrepareForEval() to obtain an executable query
|
||||
query, err := rego.New(rego.Query("data.authz.allow"), rego.Module("authz.rego", role.GetRego())).PrepareForEval(context.Background())
|
||||
|
||||
if err != nil {
|
||||
return authorizer.DecisionDeny, "", err
|
||||
}
|
||||
|
||||
// The policy decision is contained in the results returned by the Eval() call. You can inspect the decision and handle it accordingly.
|
||||
results, err := query.Eval(context.Background(), rego.EvalInput(a))
|
||||
|
||||
if err != nil {
|
||||
@@ -123,6 +116,6 @@ func (o *opaAuthorizer) roleAuthorize(role am2.Role, a authorizer.Attributes) (a
|
||||
return authorizer.DecisionDeny, "permission undefined", nil
|
||||
}
|
||||
|
||||
func NewOPAAuthorizer(am am2.AccessManagementInterface) *opaAuthorizer {
|
||||
func NewOPAAuthorizer(am am.AccessManagementInterface) *opaAuthorizer {
|
||||
return &opaAuthorizer{am: am}
|
||||
}
|
||||
|
||||
@@ -19,66 +19,79 @@
|
||||
package authorizerfactory
|
||||
|
||||
import (
|
||||
"context"
|
||||
"github.com/open-policy-agent/opa/rego"
|
||||
"k8s.io/apiserver/pkg/authentication/user"
|
||||
"kubesphere.io/kubesphere/pkg/apiserver/authorization/authorizer"
|
||||
"kubesphere.io/kubesphere/pkg/models/iam/am"
|
||||
"kubesphere.io/kubesphere/pkg/simple/client/cache"
|
||||
"testing"
|
||||
)
|
||||
|
||||
func TestPlatformRole(t *testing.T) {
|
||||
|
||||
module := `package platform.authz
|
||||
default allow = false
|
||||
opa := NewOPAAuthorizer(am.NewFakeAMOperator(cache.NewSimpleCache()))
|
||||
|
||||
allow {
|
||||
input.User.name == "admin"
|
||||
}
|
||||
|
||||
allow {
|
||||
is_admin
|
||||
}
|
||||
|
||||
is_admin {
|
||||
input.User.Groups[_] == "admin"
|
||||
}
|
||||
`
|
||||
query, err := rego.New(rego.Query("data.authz.allow"), rego.Module("authz.rego", module)).PrepareForEval(context.Background())
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
|
||||
input := authorizer.AttributesRecord{
|
||||
User: &user.DefaultInfo{
|
||||
Name: "admin",
|
||||
UID: "0",
|
||||
Groups: []string{"admin"},
|
||||
Extra: nil,
|
||||
tests := []struct {
|
||||
name string
|
||||
request authorizer.AttributesRecord
|
||||
expectedDecision authorizer.Decision
|
||||
}{
|
||||
{
|
||||
name: "list nodes",
|
||||
request: authorizer.AttributesRecord{
|
||||
User: &user.DefaultInfo{
|
||||
Name: "admin",
|
||||
UID: "0",
|
||||
Groups: []string{"admin"},
|
||||
Extra: nil,
|
||||
},
|
||||
Verb: "list",
|
||||
Cluster: "",
|
||||
Workspace: "",
|
||||
Namespace: "",
|
||||
APIGroup: "",
|
||||
APIVersion: "v1",
|
||||
Resource: "nodes",
|
||||
Subresource: "",
|
||||
Name: "",
|
||||
KubernetesRequest: true,
|
||||
ResourceRequest: true,
|
||||
Path: "/api/v1/nodes",
|
||||
},
|
||||
expectedDecision: authorizer.DecisionAllow,
|
||||
},
|
||||
{
|
||||
name: "list nodes",
|
||||
request: authorizer.AttributesRecord{
|
||||
User: &user.DefaultInfo{
|
||||
Name: user.Anonymous,
|
||||
UID: "0",
|
||||
Groups: []string{"admin"},
|
||||
Extra: nil,
|
||||
},
|
||||
Verb: "list",
|
||||
Cluster: "",
|
||||
Workspace: "",
|
||||
Namespace: "",
|
||||
APIGroup: "",
|
||||
APIVersion: "v1",
|
||||
Resource: "nodes",
|
||||
Subresource: "",
|
||||
Name: "",
|
||||
KubernetesRequest: true,
|
||||
ResourceRequest: true,
|
||||
Path: "/api/v1/nodes",
|
||||
},
|
||||
expectedDecision: authorizer.DecisionDeny,
|
||||
},
|
||||
Verb: "list",
|
||||
Cluster: "",
|
||||
Workspace: "",
|
||||
Namespace: "",
|
||||
DevopsProject: "",
|
||||
APIGroup: "",
|
||||
APIVersion: "v1",
|
||||
Resource: "nodes",
|
||||
Subresource: "",
|
||||
Name: "",
|
||||
KubernetesRequest: true,
|
||||
ResourceRequest: true,
|
||||
Path: "/api/v1/nodes",
|
||||
}
|
||||
|
||||
results, err := query.Eval(context.Background(), rego.EvalInput(input))
|
||||
|
||||
if err != nil {
|
||||
t.Log(err)
|
||||
}
|
||||
|
||||
if len(results) > 0 && results[0].Expressions[0].Value == true {
|
||||
t.Log("allowed")
|
||||
} else {
|
||||
t.Log("deny")
|
||||
for _, test := range tests {
|
||||
decision, _, err := opa.Authorize(test.request)
|
||||
if err != nil {
|
||||
t.Error(err)
|
||||
}
|
||||
if decision != test.expectedDecision {
|
||||
t.Errorf("%s: expected decision %v, actual %+v", test.name, test.expectedDecision, decision)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user