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Copy pathrbac_api_with_domains.go
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204 lines (182 loc) · 6.11 KB
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// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you 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 casbin
import (
"fmt"
"github.com/casbin/casbin/v3/constant"
)
// GetUsersForRoleInDomain gets the users that has a role inside a domain. Add by Gordon.
func (e *Enforcer) GetUsersForRoleInDomain(name string, domain string) []string {
if e.GetRoleManager() == nil {
return nil
}
res, _ := e.GetRoleManager().GetUsers(name, domain)
return res
}
// GetRolesForUserInDomain gets the roles that a user has inside a domain.
func (e *Enforcer) GetRolesForUserInDomain(name string, domain string) []string {
if rm := e.GetRoleManager(); rm != nil {
res, _ := rm.GetRoles(name, domain)
return res
}
return nil
}
// GetPermissionsForUserInDomain gets permissions for a user or role inside a domain.
func (e *Enforcer) GetPermissionsForUserInDomain(user string, domain string) [][]string {
res, _ := e.GetImplicitPermissionsForUser(user, domain)
return res
}
// AddRoleForUserInDomain adds a role for a user inside a domain.
// Returns false if the user already has the role (aka not affected).
func (e *Enforcer) AddRoleForUserInDomain(user string, role string, domain string) (bool, error) {
return e.AddGroupingPolicy(user, role, domain)
}
// DeleteRoleForUserInDomain deletes a role for a user inside a domain.
// Returns false if the user does not have the role (aka not affected).
func (e *Enforcer) DeleteRoleForUserInDomain(user string, role string, domain string) (bool, error) {
return e.RemoveGroupingPolicy(user, role, domain)
}
// DeleteRolesForUserInDomain deletes all roles for a user inside a domain.
// Returns false if the user does not have any roles (aka not affected).
func (e *Enforcer) DeleteRolesForUserInDomain(user string, domain string) (bool, error) {
if e.GetRoleManager() == nil {
return false, fmt.Errorf("role manager is not initialized")
}
roles, err := e.GetRoleManager().GetRoles(user, domain)
if err != nil {
return false, err
}
var rules [][]string
for _, role := range roles {
rules = append(rules, []string{user, role, domain})
}
return e.RemoveGroupingPolicies(rules)
}
// GetAllUsersByDomain would get all users associated with the domain.
func (e *Enforcer) GetAllUsersByDomain(domain string) ([]string, error) {
m := make(map[string]struct{})
g, err := e.model.GetAssertion("g", "g")
if err != nil {
return []string{}, err
}
p := e.model["p"]["p"]
users := make([]string, 0)
index, err := e.GetFieldIndex("p", constant.DomainIndex)
if err != nil {
return []string{}, err
}
getUser := func(index int, policies [][]string, domain string, m map[string]struct{}) []string {
if len(policies) == 0 || len(policies[0]) <= index {
return []string{}
}
res := make([]string, 0)
for _, policy := range policies {
if _, ok := m[policy[0]]; policy[index] == domain && !ok {
res = append(res, policy[0])
m[policy[0]] = struct{}{}
}
}
return res
}
users = append(users, getUser(2, g.Policy, domain, m)...)
users = append(users, getUser(index, p.Policy, domain, m)...)
return users, nil
}
// DeleteAllUsersByDomain would delete all users associated with the domain.
func (e *Enforcer) DeleteAllUsersByDomain(domain string) (bool, error) {
g, err := e.model.GetAssertion("g", "g")
if err != nil {
return false, err
}
p := e.model["p"]["p"]
index, err := e.GetFieldIndex("p", constant.DomainIndex)
if err != nil {
return false, err
}
getUser := func(index int, policies [][]string, domain string) [][]string {
if len(policies) == 0 || len(policies[0]) <= index {
return [][]string{}
}
res := make([][]string, 0)
for _, policy := range policies {
if policy[index] == domain {
res = append(res, policy)
}
}
return res
}
users := getUser(2, g.Policy, domain)
if _, err = e.RemoveGroupingPolicies(users); err != nil {
return false, err
}
users = getUser(index, p.Policy, domain)
if _, err = e.RemovePolicies(users); err != nil {
return false, err
}
return true, nil
}
// DeleteDomains would delete all associated policies.
// It would delete all domains if parameter is not provided.
func (e *Enforcer) DeleteDomains(domains ...string) (bool, error) {
if len(domains) == 0 {
var err error
domains, err = e.GetAllDomains()
if err != nil {
return false, err
}
}
for _, domain := range domains {
if _, err := e.DeleteAllUsersByDomain(domain); err != nil {
return false, err
}
// remove the domain from the RoleManager.
if e.GetRoleManager() != nil {
if err := e.GetRoleManager().DeleteDomain(domain); err != nil {
return false, err
}
}
}
return true, nil
}
// GetAllDomains would get all domains.
func (e *Enforcer) GetAllDomains() ([]string, error) {
if e.GetRoleManager() == nil {
return nil, fmt.Errorf("role manager is not initialized")
}
return e.GetRoleManager().GetAllDomains()
}
// GetAllRolesByDomain would get all roles associated with the domain.
// note: Not applicable to Domains with inheritance relationship (implicit roles)
func (e *Enforcer) GetAllRolesByDomain(domain string) ([]string, error) {
g, err := e.model.GetAssertion("g", "g")
if err != nil {
return []string{}, err
}
policies := g.Policy
roles := make([]string, 0)
existMap := make(map[string]bool) // remove duplicates
for _, policy := range policies {
if policy[len(policy)-1] == domain {
role := policy[len(policy)-2]
if _, ok := existMap[role]; !ok {
roles = append(roles, role)
existMap[role] = true
}
}
}
return roles, nil
}