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user_enforcer.go
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/
user_enforcer.go
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package object
import (
"fmt"
"github.com/casbin/casbin/v2"
"github.com/casbin/casbin/v2/errors"
"github.com/casdoor/casdoor/util"
)
type UserGroupEnforcer struct {
// use rbac model implement use group, the enforcer can also implement user role
enforcer *casbin.Enforcer
}
func NewUserGroupEnforcer(enforcer *casbin.Enforcer) *UserGroupEnforcer {
return &UserGroupEnforcer{
enforcer: enforcer,
}
}
func (e *UserGroupEnforcer) checkModel() error {
if _, ok := e.enforcer.GetModel()["g"]; !ok {
return fmt.Errorf("The Casbin model used by enforcer doesn't support RBAC (\"[role_definition]\" section not found), please use a RBAC enabled Casbin model for the enforcer")
}
return nil
}
func (e *UserGroupEnforcer) AddGroupForUser(user string, group string) (bool, error) {
err := e.checkModel()
if err != nil {
return false, err
}
return e.enforcer.AddRoleForUser(user, GetGroupWithPrefix(group))
}
func (e *UserGroupEnforcer) AddGroupsForUser(user string, groups []string) (bool, error) {
err := e.checkModel()
if err != nil {
return false, err
}
g := make([]string, len(groups))
for i, group := range groups {
g[i] = GetGroupWithPrefix(group)
}
return e.enforcer.AddRolesForUser(user, g)
}
func (e *UserGroupEnforcer) DeleteGroupForUser(user string, group string) (bool, error) {
err := e.checkModel()
if err != nil {
return false, err
}
return e.enforcer.DeleteRoleForUser(user, GetGroupWithPrefix(group))
}
func (e *UserGroupEnforcer) DeleteGroupsForUser(user string) (bool, error) {
err := e.checkModel()
if err != nil {
return false, err
}
return e.enforcer.DeleteRolesForUser(user)
}
func (e *UserGroupEnforcer) GetGroupsForUser(user string) ([]string, error) {
err := e.checkModel()
if err != nil {
return nil, err
}
groups, err := e.enforcer.GetRolesForUser(user)
for i, group := range groups {
groups[i] = GetGroupWithoutPrefix(group)
}
return groups, err
}
func (e *UserGroupEnforcer) GetAllUsersByGroup(group string) ([]string, error) {
err := e.checkModel()
if err != nil {
return nil, err
}
users, err := e.enforcer.GetUsersForRole(GetGroupWithPrefix(group))
if err != nil {
if err == errors.ErrNameNotFound {
return []string{}, nil
}
return nil, err
}
return users, nil
}
func GetGroupWithPrefix(group string) string {
return "group:" + group
}
func GetGroupWithoutPrefix(group string) string {
return group[len("group:"):]
}
func (e *UserGroupEnforcer) GetUserNamesByGroupName(groupName string) ([]string, error) {
err := e.checkModel()
if err != nil {
return nil, err
}
userIds, err := e.GetAllUsersByGroup(groupName)
if err != nil {
return nil, err
}
names := []string{}
for _, userId := range userIds {
_, name := util.GetOwnerAndNameFromIdNoCheck(userId)
names = append(names, name)
}
return names, nil
}
func (e *UserGroupEnforcer) UpdateGroupsForUser(user string, groups []string) (bool, error) {
err := e.checkModel()
if err != nil {
return false, err
}
_, err = e.DeleteGroupsForUser(user)
if err != nil {
return false, err
}
affected, err := e.AddGroupsForUser(user, groups)
if err != nil {
return false, err
}
return affected, nil
}