public boolean isAccountValid() {
        return isActive(getValidFrom(), getValidUntil());
    }
Returns whether this user account is currently valid as of today.
Account validity depends on optional date-driven restrictions which
define when an account becomes valid, and when an account ceases being
valid.

@return
    true if the account is valid as of today, false otherwise.
extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-base/src/main/java/org/apache/guacamole/auth/jdbc/user/ModeledUser.java