63 lines
2.1 KiB
Java
63 lines
2.1 KiB
Java
/*
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* Copyright 2014 The Netty Project
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*
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* The Netty Project licenses this file to you under the Apache License,
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* version 2.0 (the "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*/
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package io.netty.handler.ssl;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Set;
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/**
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* This class will not do any filtering of ciphers suites.
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*/
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public final class IdentityCipherSuiteFilter implements CipherSuiteFilter {
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/**
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* Defaults to default ciphers when provided ciphers are null
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*/
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public static final IdentityCipherSuiteFilter INSTANCE = new IdentityCipherSuiteFilter(true);
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/**
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* Defaults to supported ciphers when provided ciphers are null
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*/
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public static final IdentityCipherSuiteFilter INSTANCE_DEFAULTING_TO_SUPPORTED_CIPHERS =
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new IdentityCipherSuiteFilter(false);
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private final boolean defaultToDefaultCiphers;
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private IdentityCipherSuiteFilter(boolean defaultToDefaultCiphers) {
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this.defaultToDefaultCiphers = defaultToDefaultCiphers;
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}
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@Override
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public String[] filterCipherSuites(Iterable<String> ciphers, List<String> defaultCiphers,
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Set<String> supportedCiphers) {
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if (ciphers == null) {
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return defaultToDefaultCiphers ?
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defaultCiphers.toArray(new String[0]) :
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supportedCiphers.toArray(new String[0]);
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} else {
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List<String> newCiphers = new ArrayList<>(supportedCiphers.size());
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for (String c : ciphers) {
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if (c == null) {
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break;
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}
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newCiphers.add(c);
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}
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return newCiphers.toArray(new String[0]);
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}
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}
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}
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