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85 lines
2.8 KiB
Java
85 lines
2.8 KiB
Java
/*
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* Copyright (c) 2017, 2018, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package sun.security.util;
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import java.util.Optional;
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/**
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* A domain that is registered under a "public suffix". The public suffix is
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* a top-level domain under which names can be registered. For example,
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* "com" and "co.uk" are public suffixes, and "example.com" and "example.co.uk"
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* are registered domains.
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* <p>
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* The primary purpose of this class is to determine if domains are safe to
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* use in various use-cases.
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*/
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public interface RegisteredDomain {
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public enum Type {
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/**
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* An ICANN registered domain.
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*/
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ICANN,
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/**
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* A private registered domain.
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*/
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PRIVATE
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}
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/**
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* Returns the name of the registered domain.
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*
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* @return the name of the registered domain
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*/
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String name();
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/**
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* Returns the type of the registered domain.
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*
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* @return the type of the registered domain
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*/
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Type type();
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/**
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* Returns the public suffix of the registered domain.
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*
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* @return the public suffix of the registered domain
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*/
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String publicSuffix();
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/**
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* Returns an {@code Optional<RegisteredDomain>} representing the
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* registered part of the specified domain.
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*
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* @param domain the domain name
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* @return an {@code Optional<RegisteredDomain>}; the {@code Optional} is
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* empty if the domain is unknown or not registerable
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* @throws NullPointerException if domain is null
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*/
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public static Optional<RegisteredDomain> from(String domain) {
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return Optional.ofNullable(DomainName.registeredDomain(domain));
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}
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}
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