75 lines
2.8 KiB
Java
75 lines
2.8 KiB
Java
/*
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* Copyright (c) 2013, 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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/*
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*
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* (C) Copyright IBM Corp. 1999 All Rights Reserved.
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* Copyright 1997 The Open Group Research Institute. All rights reserved.
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*/
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package sun.security.krb5.internal.rcache;
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import java.util.Map;
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import java.util.concurrent.ConcurrentHashMap;
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import sun.security.krb5.internal.KerberosTime;
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import sun.security.krb5.internal.KrbApErrException;
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import sun.security.krb5.internal.ReplayCache;
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/**
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* This class stores replay caches. AuthTimeWithHash objects are categorized
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* into AuthLists keyed by the names of client and server.
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*
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* @author Yanni Zhang
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*/
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public class MemoryCache extends ReplayCache {
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// TODO: One day we'll need to read dynamic krb5.conf.
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private static final int lifespan = KerberosTime.getDefaultSkew();
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private static final boolean DEBUG = sun.security.krb5.internal.Krb5.DEBUG;
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private final Map<String,AuthList> content = new ConcurrentHashMap<>();
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@Override
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public synchronized void checkAndStore(KerberosTime currTime, AuthTimeWithHash time)
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throws KrbApErrException {
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String key = time.client + "|" + time.server;
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content.computeIfAbsent(key, k -> new AuthList(lifespan))
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.put(time, currTime);
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if (DEBUG) {
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System.out.println("MemoryCache: add " + time + " to " + key);
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}
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// TODO: clean up AuthList entries with only expired AuthTimeWithHash objects.
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}
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public String toString() {
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StringBuilder sb = new StringBuilder();
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for (AuthList rc: content.values()) {
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sb.append(rc.toString());
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}
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return sb.toString();
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}
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}
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