Files
kubesphere/pkg/models/iam/am/fake_operator.go
2020-03-26 15:19:20 +08:00

142 lines
3.9 KiB
Go

/*
*
* Copyright 2020 The KubeSphere Authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* /
*/
package am
import (
"encoding/json"
"fmt"
"k8s.io/apiserver/pkg/authentication/user"
"kubesphere.io/kubesphere/pkg/simple/client/cache"
)
type FakeRole struct {
Name string
Rego string
}
type FakeOperator struct {
cache cache.Interface
}
func (f FakeOperator) queryFakeRole(cacheKey string) (Role, error) {
data, err := f.cache.Get(cacheKey)
if err != nil {
if err == cache.ErrNoSuchKey {
return &FakeRole{
Name: "DenyAll",
Rego: "package authz\ndefault allow = false",
}, nil
}
return nil, err
}
var role FakeRole
err = json.Unmarshal([]byte(data), &role)
if err != nil {
return nil, err
}
return role, nil
}
func (f FakeOperator) saveFakeRole(cacheKey string, role FakeRole) error {
data, err := json.Marshal(role)
if err != nil {
return err
}
return f.cache.Set(cacheKey, string(data), 0)
}
func (f FakeOperator) GetPlatformRole(username string) (Role, error) {
return f.queryFakeRole(platformRoleCacheKey(username))
}
func (f FakeOperator) GetClusterRole(cluster, username string) (Role, error) {
return f.queryFakeRole(clusterRoleCacheKey(cluster, username))
}
func (f FakeOperator) GetWorkspaceRole(workspace, username string) (Role, error) {
return f.queryFakeRole(workspaceRoleCacheKey(workspace, username))
}
func (f FakeOperator) GetNamespaceRole(cluster, namespace, username string) (Role, error) {
return f.queryFakeRole(namespaceRoleCacheKey(cluster, namespace, username))
}
func (f FakeOperator) Prepare(platformRoles map[string]FakeRole, clusterRoles map[string]map[string]FakeRole, workspaceRoles map[string]map[string]FakeRole, namespaceRoles map[string]map[string]map[string]FakeRole) {
for username, role := range platformRoles {
f.saveFakeRole(platformRoleCacheKey(username), role)
}
for cluster, roles := range clusterRoles {
for username, role := range roles {
f.saveFakeRole(clusterRoleCacheKey(cluster, username), role)
}
}
for workspace, roles := range workspaceRoles {
for username, role := range roles {
f.saveFakeRole(workspaceRoleCacheKey(workspace, username), role)
}
}
for cluster, nsRoles := range namespaceRoles {
for namespace, roles := range nsRoles {
for username, role := range roles {
f.saveFakeRole(namespaceRoleCacheKey(cluster, namespace, username), role)
}
}
}
}
func namespaceRoleCacheKey(cluster, namespace, username string) string {
return fmt.Sprintf("cluster.%s.namespaces.%s.roles.%s", cluster, namespace, username)
}
func clusterRoleCacheKey(cluster, username string) string {
return fmt.Sprintf("cluster.%s.roles.%s", cluster, username)
}
func workspaceRoleCacheKey(workspace, username string) string {
return fmt.Sprintf("workspace.%s.roles.%s", workspace, username)
}
func platformRoleCacheKey(username string) string {
return fmt.Sprintf("platform.roles.%s", username)
}
func (f FakeRole) GetName() string {
return f.Name
}
func (f FakeRole) GetRego() string {
return f.Rego
}
func NewFakeAMOperator() *FakeOperator {
operator := &FakeOperator{cache: cache.NewSimpleCache()}
operator.saveFakeRole(platformRoleCacheKey("admin"), FakeRole{
Name: "admin",
Rego: "package authz\ndefault allow = true",
})
operator.saveFakeRole(platformRoleCacheKey(user.Anonymous), FakeRole{
Name: "admin",
Rego: `package authz
default allow = false
`,
})
return operator
}