// 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 checkCreds(st *state.State, c params.Creds) (state.Entity, error) {
tag, err := names.ParseTag(c.AuthTag)
if err != nil {
return 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.
return nil, common.ErrBadCreds
}
if err != nil {
return nil, errors.Trace(err)
}
authenticator, err := authentication.FindEntityAuthenticator(entity)
if err != nil {
return nil, err
}
if err = authenticator.Authenticate(entity, c.Password, c.Nonce); err != nil {
return nil, err
}
return entity, nil
}
func (s *AgentAuthenticatorSuite) TestFindEntityAuthenticator(c *gc.C) {
fact := factory.NewFactory(s.State)
user := fact.MakeUser(c, &factory.UserParams{Password: "******"})
authenticator, err := authentication.FindEntityAuthenticator(user)
c.Assert(err, jc.ErrorIsNil)
c.Assert(authenticator, gc.NotNil)
err = authenticator.Authenticate(user, "password", "nonce")
c.Assert(err, jc.ErrorIsNil)
}
func (s *AgentAuthenticatorSuite) TestFindEntityAuthenticatorFails(c *gc.C) {
// add relation
wordpress := s.AddTestingService(c, "wordpress", s.AddTestingCharm(c, "wordpress"))
wordpressEP, err := wordpress.Endpoint("db")
c.Assert(err, jc.ErrorIsNil)
mysql := s.AddTestingService(c, "mysql", s.AddTestingCharm(c, "mysql"))
mysqlEP, err := mysql.Endpoint("server")
c.Assert(err, jc.ErrorIsNil)
relation, err := s.State.AddRelation(wordpressEP, mysqlEP)
c.Assert(err, jc.ErrorIsNil)
_, err = authentication.FindEntityAuthenticator(relation)
c.Assert(err, gc.ErrorMatches, "invalid request")
}
func checkCreds(st *state.State, c params.Creds) (state.Entity, error) {
tag, err := names.ParseTag(c.AuthTag)
if err != nil {
return 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, common.ErrBadCreds
}
if err != nil {
return nil, errors.Trace(err)
}
authenticator, err := authentication.FindEntityAuthenticator(entity)
if err != nil {
return nil, err
}
if err = authenticator.Authenticate(entity, c.Password, c.Nonce); err != nil {
logger.Debugf("bad credentials")
return nil, err
}
// For user logins, ensure the user is allowed to access the environment.
if user, ok := entity.Tag().(names.UserTag); ok {
_, err := st.EnvironmentUser(user)
if err != nil {
return nil, errors.Wrap(err, common.ErrBadCreds)
}
}
return entity, nil
}