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user_enforcer.go
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user_enforcer.go
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package object
import (
"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) AddGroupForUser(user string, group string) (bool, error) {
return e.enforcer.AddRoleForUser(user, GetGroupWithPrefix(group))
}
func (e *UserGroupEnforcer) AddGroupsForUser(user string, groups []string) (bool, error) {
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) {
return e.enforcer.DeleteRoleForUser(user, GetGroupWithPrefix(group))
}
func (e *UserGroupEnforcer) DeleteGroupsForUser(user string) (bool, error) {
return e.enforcer.DeleteRolesForUser(user)
}
func (e *UserGroupEnforcer) GetGroupsForUser(user string) ([]string, error) {
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) {
users, err := e.enforcer.GetUsersForRole(GetGroupWithPrefix(group))
if err != nil {
if err == errors.ERR_NAME_NOT_FOUND {
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) {
var names []string
userIds, err := e.GetAllUsersByGroup(groupName)
if err != nil {
return nil, err
}
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.DeleteGroupsForUser(user)
if err != nil {
return false, err
}
affected, err := e.AddGroupsForUser(user, groups)
if err != nil {
return false, err
}
return affected, nil
}