| /* |
| * ==================================================================== |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| * |
| */ |
| |
| package org.apache.hc.core5.http.ssl; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.apache.hc.core5.http.ParseException; |
| import org.apache.hc.core5.http.ProtocolVersion; |
| import org.apache.hc.core5.http.message.ParserCursor; |
| |
| /** |
| * Supported {@code TLS} protocol versions. |
| * |
| * @since 5.0 |
| */ |
| public enum TLS { |
| |
| V_1_0("TLSv1", new ProtocolVersion("TLS", 1, 0)), |
| V_1_1("TLSv1.1", new ProtocolVersion("TLS", 1, 1)), |
| V_1_2("TLSv1.2", new ProtocolVersion("TLS", 1, 2)), |
| V_1_3("TLSv1.3", new ProtocolVersion("TLS", 1, 3)); |
| |
| public final String id; |
| public final ProtocolVersion version; |
| |
| TLS(final String id, final ProtocolVersion version) { |
| this.id = id; |
| this.version = version; |
| } |
| |
| public boolean isSame(final ProtocolVersion protocolVersion) { |
| return version.equals(protocolVersion); |
| } |
| |
| public boolean isComparable(final ProtocolVersion protocolVersion) { |
| return version.isComparable(protocolVersion); |
| } |
| |
| public boolean greaterEquals(final ProtocolVersion protocolVersion) { |
| return version.greaterEquals(protocolVersion); |
| } |
| |
| public boolean lessEquals(final ProtocolVersion protocolVersion) { |
| return version.lessEquals(protocolVersion); |
| } |
| |
| public static ProtocolVersion parse(final String s) throws ParseException { |
| if (s == null) { |
| return null; |
| } |
| final ParserCursor cursor = new ParserCursor(0, s.length()); |
| return TlsVersionParser.INSTANCE.parse(s, cursor, null); |
| } |
| |
| public static String[] excludeWeak(final String... protocols) { |
| if (protocols == null) { |
| return null; |
| } |
| final List<String> enabledProtocols = new ArrayList<>(); |
| for (final String protocol: protocols) { |
| if (!protocol.startsWith("SSL") && !protocol.equals(V_1_0.id) && !protocol.equals(V_1_1.id)) { |
| enabledProtocols.add(protocol); |
| } |
| } |
| if (enabledProtocols.isEmpty()) { |
| enabledProtocols.add(V_1_2.id); |
| } |
| return enabledProtocols.toArray(new String[0]); |
| } |
| |
| } |