// checkCreds validates the entities credentials in the current model.
// If the entity is a user, and lookForModelUser is true, a model user must exist
// for the model. In the case of a user logging in to the server, but
// not a model, there is no env user needed. While we have the env
// user, if we do have it, update the last login time.
//
// Note that when logging in with lookForModelUser true, the returned
// entity will be modelUserEntity, not *state.User (external users
// don't have user entries) or *state.ModelUser (we
// don't want to lose the local user information associated with that).
func checkCreds(st *state.State, req params.LoginRequest, lookForModelUser bool, authenticator authentication.EntityAuthenticator) (state.Entity, *time.Time, error) {
var tag names.Tag
if req.AuthTag != "" {
var err error
tag, err = names.ParseTag(req.AuthTag)
if err != nil {
return nil, nil, errors.Trace(err)
}
}
var entityFinder authentication.EntityFinder = st
if lookForModelUser {
// When looking up model users, use a custom
// entity finder that looks up both the local user (if the user
// tag is in the local domain) and the model user.
entityFinder = modelUserEntityFinder{st}
}
entity, err := authenticator.Authenticate(entityFinder, tag, req)
if err != nil {
return nil, nil, errors.Trace(err)
}
// For user logins, update the last login time.
var lastLogin *time.Time
if entity, ok := entity.(loginEntity); ok {
userLastLogin, err := entity.LastLogin()
if err != nil && !state.IsNeverLoggedInError(err) {
return nil, nil, errors.Trace(err)
}
entity.UpdateLastLogin()
lastLogin = &userLastLogin
}
return entity, lastLogin, nil
}
// checkCreds validates the entities credentials in the current environment.
// If the entity is a user, and lookForEnvUser is true, an env user must exist
// for the environment. In the case of a user logging in to the server, but
// not an environment, there is no env user needed. While we have the env
// user, if we do have it, update the last login time.
func checkCreds(st *state.State, req params.LoginRequest, lookForEnvUser bool) (state.Entity, *time.Time, error) {
tag, err := names.ParseTag(req.AuthTag)
if err != nil {
return nil, nil, err
}
entity, err := st.FindEntity(tag)
if errors.IsNotFound(err) {
// We return the same error when an entity does not exist as for a bad
// password, so that we don't allow unauthenticated users to find
// information about existing entities.
logger.Debugf("entity %q not found", tag)
return nil, nil, common.ErrBadCreds
}
if err != nil {
return nil, nil, errors.Trace(err)
}
authenticator, err := authentication.FindEntityAuthenticator(entity)
if err != nil {
return nil, nil, err
}
if err = authenticator.Authenticate(entity, req.Credentials, req.Nonce); err != nil {
logger.Debugf("bad credentials")
return nil, nil, err
}
// For user logins, update the last login time.
// NOTE: this code path is only for local users. When we support remote
// user logins with bearer tokens, we will need to make sure that we also
// update the last connection times for the environment users there.
var lastLogin *time.Time
if user, ok := entity.(*state.User); ok {
userLastLogin, err := user.LastLogin()
if err != nil && !state.IsNeverLoggedInError(err) {
return nil, nil, errors.Trace(err)
}
if lookForEnvUser {
envUser, err := st.EnvironmentUser(user.UserTag())
if err != nil {
return nil, nil, errors.Wrap(err, common.ErrBadCreds)
}
// The last connection for the environment takes precedence over
// the local user last login time.
userLastLogin, err = envUser.LastConnection()
if err != nil && !state.IsNeverConnectedError(err) {
return nil, nil, errors.Trace(err)
}
envUser.UpdateLastConnection()
}
// Only update the user's last login time if it is a successful
// login, meaning that if we are logging into an environment, make
// sure that there is an environment user in that environment for
// this user.
user.UpdateLastLogin()
lastLogin = &userLastLogin
}
return entity, lastLogin, nil
}
func lastLoginPointer(c *gc.C, user *state.User) *time.Time {
lastLogin, err := user.LastLogin()
if err != nil {
if state.IsNeverLoggedInError(err) {
return nil
}
c.Fatal(err)
}
return &lastLogin
}
// UserInfo returns information on a user.
func (api *UserManagerAPI) UserInfo(request params.UserInfoRequest) (params.UserInfoResults, error) {
var results params.UserInfoResults
var infoForUser = func(user *state.User) params.UserInfoResult {
var lastLogin *time.Time
userLastLogin, err := user.LastLogin()
if err != nil {
if !state.IsNeverLoggedInError(err) {
logger.Debugf("error getting last login: %v", err)
}
} else {
lastLogin = &userLastLogin
}
return params.UserInfoResult{
Result: ¶ms.UserInfo{
Username: user.Name(),
DisplayName: user.DisplayName(),
CreatedBy: user.CreatedBy(),
DateCreated: user.DateCreated(),
LastConnection: lastLogin,
Disabled: user.IsDisabled(),
},
}
}
argCount := len(request.Entities)
if argCount == 0 {
users, err := api.state.AllUsers(request.IncludeDisabled)
if err != nil {
return results, errors.Trace(err)
}
for _, user := range users {
results.Results = append(results.Results, infoForUser(user))
}
return results, nil
}
results.Results = make([]params.UserInfoResult, argCount)
for i, arg := range request.Entities {
user, err := api.getUser(arg.Tag)
if err != nil {
results.Results[i].Error = common.ServerError(err)
continue
}
results.Results[i] = infoForUser(user)
}
return results, nil
}
// UserInfo returns information on a user.
func (api *UserManagerAPI) UserInfo(request params.UserInfoRequest) (params.UserInfoResults, error) {
var results params.UserInfoResults
isAdmin, err := api.hasControllerAdminAccess()
if err != nil {
return results, errors.Trace(err)
}
var accessForUser = func(userTag names.UserTag, result *params.UserInfoResult) {
// Lookup the access the specified user has to the controller.
_, controllerUserAccess, err := common.UserAccess(api.state, userTag)
if err == nil {
result.Result.Access = string(controllerUserAccess.Access)
} else if err != nil && !errors.IsNotFound(err) {
result.Result = nil
result.Error = common.ServerError(err)
}
}
var infoForUser = func(user *state.User) params.UserInfoResult {
var lastLogin *time.Time
userLastLogin, err := user.LastLogin()
if err != nil {
if !state.IsNeverLoggedInError(err) {
logger.Debugf("error getting last login: %v", err)
}
} else {
lastLogin = &userLastLogin
}
result := params.UserInfoResult{
Result: ¶ms.UserInfo{
Username: user.Name(),
DisplayName: user.DisplayName(),
CreatedBy: user.CreatedBy(),
DateCreated: user.DateCreated(),
LastConnection: lastLogin,
Disabled: user.IsDisabled(),
},
}
accessForUser(user.UserTag(), &result)
return result
}
argCount := len(request.Entities)
if argCount == 0 {
users, err := api.state.AllUsers(request.IncludeDisabled)
if err != nil {
return results, errors.Trace(err)
}
for _, user := range users {
if !isAdmin && !api.authorizer.AuthOwner(user.Tag()) {
continue
}
results.Results = append(results.Results, infoForUser(user))
}
return results, nil
}
// Create the results list to populate.
for _, arg := range request.Entities {
userTag, err := names.ParseUserTag(arg.Tag)
if err != nil {
results.Results = append(results.Results, params.UserInfoResult{Error: common.ServerError(err)})
continue
}
if !isAdmin && !api.authorizer.AuthOwner(userTag) {
results.Results = append(results.Results, params.UserInfoResult{Error: common.ServerError(common.ErrPerm)})
continue
}
if !userTag.IsLocal() {
// TODO(wallyworld) record login information about external users.
result := params.UserInfoResult{
Result: ¶ms.UserInfo{
Username: userTag.Id(),
},
}
accessForUser(userTag, &result)
results.Results = append(results.Results, result)
continue
}
user, err := api.getUser(arg.Tag)
if err != nil {
results.Results = append(results.Results, params.UserInfoResult{Error: common.ServerError(err)})
continue
}
results.Results = append(results.Results, infoForUser(user))
}
return results, nil
}