73 lines
2.8 KiB
Java
73 lines
2.8 KiB
Java
/*
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* Copyright (c) 2013, 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.krb5.internal;
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import sun.security.action.GetPropertyAction;
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import sun.security.krb5.internal.rcache.AuthTimeWithHash;
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import sun.security.krb5.internal.rcache.MemoryCache;
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import sun.security.krb5.internal.rcache.DflCache;
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import java.security.AccessController;
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/**
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* Models the replay cache of an acceptor as described in
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* RFC 4120 3.2.3.
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* @since 1.8
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*/
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public abstract class ReplayCache {
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public static ReplayCache getInstance(String type) {
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if (type == null) {
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return new MemoryCache();
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} else if (type.equals("dfl") || type.startsWith("dfl:")) {
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return new DflCache(type);
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} else if (type.equals("none")) {
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return new ReplayCache() {
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@Override
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public void checkAndStore(KerberosTime currTime, AuthTimeWithHash time)
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throws KrbApErrException {
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// no check at all
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}
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};
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} else {
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throw new IllegalArgumentException("Unknown type: " + type);
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}
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}
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public static ReplayCache getInstance() {
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String type = AccessController.doPrivileged(
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new GetPropertyAction("sun.security.krb5.rcache"));
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return getInstance(type);
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}
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/**
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* Accepts or rejects an AuthTime.
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* @param currTime the current time
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* @param time AuthTimeWithHash object calculated from authenticator
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* @throws KrbApErrException if the authenticator is a replay
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*/
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public abstract void checkAndStore(KerberosTime currTime, AuthTimeWithHash time)
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throws KrbApErrException;
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}
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