// Test that a new user AM is generated only when all the parameters are valid
func Test_addValidAM(t *testing.T) {
usersName := []string{defaultUserName, ""}
privilege := make(map[string]interface{})
for k, v := range usersPrivilege {
privilege[k] = v
}
privilege["undef"] = ""
userPwd, _ := password.NewUserPwd(defaultPassword, defaultSalt)
pwd := ""
for _, userName := range usersName {
for p, _ := range privilege {
for i := 0; i < password.MaxPasswordLength; i++ {
ok := en.IsEntityNameValid(userName) == nil &&
IsValidPrivilege(p) == nil &&
userPwd.IsNewPwdValid([]byte(pwd)) == nil
_, err := NewUserAm(p, []byte(pwd), defaultSalt)
if ok == false && err == nil {
t.Errorf("Test fail: Successfully generated new AM with invalid parameters: user name '%v' (%v), privilege '%v' (%v) password '%v' (%v)",
userName, en.IsEntityNameValid(userName), p, IsValidPrivilege(p), pwd, userPwd.IsNewPwdValid([]byte(pwd)))
t.FailNow()
} else if ok == true && err != nil {
t.Errorf("Test fail: Error while generated new AM with valid parameters: user name '%v' (%v), privilege '%v' (%v) password '%v' (%v), error: %v",
userName, en.IsEntityNameValid(userName), p, IsValidPrivilege(p), pwd, userPwd.IsNewPwdValid([]byte(pwd)), err)
t.FailNow()
}
pwd += "a"
}
}
}
}
// Get all the permissions of a given user to a given resource-
// return the user's list of permissions to the given resource
// The permissions may be listed as the user's permissions, permissions to groups
// in which the user is a member or permissions that are given to 'all'
func GetUserPermissions(el *en.EntityManager, userName string, resourceName string) (PermissionsMap, error) {
lock.Lock()
defer lock.Unlock()
if el == nil {
return nil, fmt.Errorf("Error: EntityManager is nil")
}
err := en.IsEntityNameValid(userName)
if err != nil {
return nil, err
}
err = en.IsEntityNameValid(resourceName)
if err != nil {
return nil, err
}
permissions := make(PermissionsMap)
data, err := el.GetPropertyAttachedToEntity(resourceName, stc.AclPropertyName)
if err != nil {
return nil, fmt.Errorf("Resource '%v' dose not have an ACL property", resourceName)
}
acl, ok := data.(*Acl)
if ok == false {
return nil, fmt.Errorf("Resource '%v' ACL property is in the wrong type", resourceName)
}
for name, p := range acl.Permissions {
if name == userName || name == stc.AclAllEntryName || el.IsUserPartOfAGroup(name, userName) {
for permission, _ := range p.Permissions {
permissions[permission] = ""
}
}
}
logger.Trace.Println("The permissions of:", userName, "are:", permissions)
return permissions, nil
}
// Callback from EntityManager, when an entity is removed in order to remove
// the entity's permissions. This is needed to avoid giving a future
// new (unrelated) entity with the same name the permissions that
// were given to the original entity that was removed
func RemoveEntityFromAcl(el1 interface{}, userName string) {
if el1 == nil {
return
}
el, ok := el1.(*en.EntityManager)
if ok == false {
return
}
err := en.IsEntityNameValid(userName)
if err != nil {
return
}
for resourceName, _ := range el.Resources {
data, err := el.GetPropertyAttachedToEntity(resourceName, stc.AclPropertyName)
if err != nil {
continue
}
acl, ok := data.(*Acl)
if ok == false {
return
}
for name, _ := range acl.Permissions {
if name == userName {
acl.removeEntry(userName)
}
}
}
return
}
func NewEntry(name string) (*AclEntry, error) {
err := en.IsEntityNameValid(name)
if err != nil {
return nil, err
}
a := AclEntry{EntityName: name, Permissions: make(PermissionsMap)}
return &a, nil
}
// Check if the given user name has a given permission to the given entity
func CheckUserPermission(el *en.EntityManager, userName string, resourceName string, permission Permission) bool {
if el == nil {
return false
}
if en.IsEntityNameValid(userName) != nil {
return false
}
if en.IsEntityNameValid(resourceName) != nil {
return false
}
permissions, _ := GetUserPermissions(el, userName, resourceName)
lock.Lock()
defer lock.Unlock()
_, exist := permissions[permission]
logger.Trace.Println("Is permission:", permission, "of:", userName, "for entity:", resourceName, "set:", exist)
return exist
}
func (a aclRestful) checkEntityNameParamValidity(request *restful.Request, response *restful.Response, name string) bool {
err := en.IsEntityNameValid(name)
if err != nil {
a.setError(response, http.StatusNotFound, err)
return false
}
if a.st.UsersList.IsEntityInList(name) == false {
err := fmt.Sprintf("Entity '%v' doesn't have ACL property", name)
a.setError(response, http.StatusNotFound, errors.New(err))
return false
}
return true
}
// Remove the given entry from the ACL
func (a *Acl) removeEntry(name string) error {
lock.Lock()
defer lock.Unlock()
err := en.IsEntityNameValid(name)
if err != nil {
return err
}
_, exist := a.Permissions[name]
if exist == false {
return fmt.Errorf("Error: Can't remove entry '%v', it does not exist in the ACL", name)
}
logger.Trace.Println("Remove entry:", name, "from acl")
delete(a.Permissions, name)
return nil
}
// Add the given permission to the given resource for the given user
func (a *Acl) AddPermissionToResource(el *en.EntityManager, userName string, permission Permission) error {
lock.Lock()
defer lock.Unlock()
if el == nil {
return fmt.Errorf("Error: entityManager is nil")
}
err := en.IsEntityNameValid(userName)
if err != nil {
return err
}
if el.IsEntityInList(userName) == false {
return fmt.Errorf("Error: Can't add permission to entity '%v', it is not in the resource entity list", userName)
}
e, exist := a.Permissions[userName]
if exist == false {
e, _ = NewEntry(userName)
}
logger.Trace.Println("Add permission:", permission, "to:", userName)
_, err = e.AddPermission(permission)
a.Permissions[userName] = e
return err
}
// Return all the users that have the given permission to the given resource
func GetWhoUseAPermission(el *en.EntityManager, resourceName string, permission string) PermissionSet {
if el == nil {
return nil
}
err := en.IsEntityNameValid(resourceName)
if err != nil {
return nil
}
data, err := el.GetPropertyAttachedToEntity(resourceName, stc.AclPropertyName)
if err != nil {
return nil
}
p := make(PermissionSet)
acl, ok := data.(*Acl)
if ok == false {
return p
}
for name, _ := range acl.Permissions {
pVec, _ := GetUserPermissions(el, name, resourceName)
for v, _ := range pVec {
if string(v) == permission {
p[name] = true
break
}
}
}
for name, _ := range p {
groupMembers := el.GetGroupUsers(name)
for _, name1 := range groupMembers {
p[name1] = true
}
}
logger.Trace.Println("Who uses permission:", permission, "results:", p)
return p
}
// Verify that an entry is valid, that is it's not nil and its entry name is valid
func isValidEntry(entry *AclEntry) error {
if entry == nil {
return fmt.Errorf("Error: entry is nil")
}
return en.IsEntityNameValid(entry.EntityName)
}
// Verify that an AclEntry is valid, that is it's not nil and its AclEntry name is valid
func isValidAclEntry(aclEntry *AclEntry) error {
if aclEntry == nil {
return fmt.Errorf("aclEntry is nil")
}
return en.IsEntityNameValid(aclEntry.EntityName)
}
