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casbin_adapter.go
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casbin_adapter.go
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// Copyright Project Harbor 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 rbac
import (
"errors"
"fmt"
"github.com/casbin/casbin/model"
"github.com/casbin/casbin/persist"
"github.com/goharbor/harbor/src/pkg/permission/types"
)
var (
errNotImplemented = errors.New("not implemented")
)
func policyLinesOfRole(rbacRole types.RBACRole) []string {
lines := []string{}
roleName := rbacRole.GetRoleName()
// returns empty policy lines if role name is empty
if roleName == "" {
return lines
}
for _, policy := range rbacRole.GetPolicies() {
line := fmt.Sprintf("p, %s, %s, %s, %s", roleName, policy.Resource, policy.Action, policy.GetEffect())
lines = append(lines, line)
}
return lines
}
func policyLinesOfRBACUser(rbacUser types.RBACUser) []string {
lines := []string{}
username := rbacUser.GetUserName()
for _, policy := range rbacUser.GetPolicies() {
line := fmt.Sprintf("p, %s, %s, %s, %s", username, policy.Resource, policy.Action, policy.GetEffect())
lines = append(lines, line)
}
return lines
}
type adapter struct {
rbacUser types.RBACUser
}
func (a *adapter) getPolicyLines() []string {
lines := []string{}
username := a.rbacUser.GetUserName()
// returns empty policy lines if username is empty
if username == "" {
return lines
}
lines = append(lines, policyLinesOfRBACUser(a.rbacUser)...)
for _, role := range a.rbacUser.GetRoles() {
lines = append(lines, policyLinesOfRole(role)...)
lines = append(lines, fmt.Sprintf("g, %s, %s", username, role.GetRoleName()))
}
return lines
}
func (a *adapter) LoadPolicy(model model.Model) error {
for _, line := range a.getPolicyLines() {
persist.LoadPolicyLine(line, model)
}
return nil
}
func (a *adapter) SavePolicy(_ model.Model) error {
return errNotImplemented
}
func (a *adapter) AddPolicy(_ string, _ string, _ []string) error {
return errNotImplemented
}
func (a *adapter) RemovePolicy(_ string, _ string, _ []string) error {
return errNotImplemented
}
func (a *adapter) RemoveFilteredPolicy(_ string, _ string, _ int, _ ...string) error {
return errNotImplemented
}