usermanager

var (
	ErrBadPasswordLen = fmt.Errorf("password length should be between %d and %d chars", minPasswordLen, maxPasswordLen)
	ErrSimplePassword = fmt.Errorf("password must have at least one upper, lower, digit and special character")
	ErrUserExists     = fmt.Errorf("username already exists")
	ErrNameNotAllowed = fmt.Errorf("name not allowed")
	ErrNonASCII       = fmt.Errorf("non-ASCII character found")
)

var (
	ErrNotLoggedIn       = errors.New("not logged in")
	ErrNotLoggedOut      = errors.New("not logged out")
	ErrBadLogin          = errors.New("incorrect username or password")
	ErrBadSession        = errors.New("session cookie is either non-existent, expired, or ill-formatted")
	ErrMalformedRequest  = errors.New("request format is malformed")
	ErrBadUsernameFormat = errors.New("format of 'username' is not accepted")
	ErrUserNotFound      = errors.New("user is either deleted or not found")
)