| /* |
| * |
| * 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. |
| * |
| */ |
| package org.apache.qpid.transport; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import static org.apache.qpid.transport.Connection.State.OPEN; |
| |
| import javax.security.sasl.Sasl; |
| import javax.security.sasl.SaslException; |
| import javax.security.sasl.SaslServer; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Map; |
| |
| /** |
| * ServerDelegate |
| */ |
| public class ServerDelegate extends ConnectionDelegate |
| { |
| protected static final Logger _logger = LoggerFactory.getLogger(ServerDelegate.class); |
| |
| private List<Object> _locales; |
| private List<Object> _mechanisms; |
| private Map<String, Object> _clientProperties; |
| |
| |
| public ServerDelegate() |
| { |
| this(null, Collections.emptyList(), Collections.singletonList((Object)"utf8")); |
| } |
| |
| protected ServerDelegate(Map<String, Object> clientProperties, List<Object> mechanisms, List<Object> locales) |
| { |
| _clientProperties = clientProperties; |
| _mechanisms = mechanisms; |
| _locales = locales; |
| } |
| |
| public void init(Connection conn, ProtocolHeader hdr) |
| { |
| conn.send(new ProtocolHeader(1, 0, 10)); |
| |
| conn.connectionStart(_clientProperties, _mechanisms, _locales); |
| } |
| |
| @Override |
| public void connectionStartOk(Connection conn, ConnectionStartOk ok) |
| { |
| conn.setLocale(ok.getLocale()); |
| String mechanism = ok.getMechanism(); |
| |
| if (mechanism == null || mechanism.length() == 0) |
| { |
| conn.connectionClose(ConnectionCloseCode.CONNECTION_FORCED, |
| "No Sasl mechanism was specified"); |
| return; |
| } |
| |
| try |
| { |
| |
| SaslServer ss = createSaslServer(conn, mechanism); |
| if (ss == null) |
| { |
| conn.connectionClose(ConnectionCloseCode.CONNECTION_FORCED, |
| "No SaslServer could be created for mechanism: " + mechanism); |
| return; |
| } |
| conn.setSaslServer(ss); |
| secure(conn, ok.getResponse()); |
| } |
| catch (SaslException e) |
| { |
| connectionAuthFailed(conn, e); |
| } |
| } |
| |
| protected SaslServer createSaslServer(Connection conn, String mechanism) |
| throws SaslException |
| { |
| SaslServer ss = Sasl.createSaslServer(mechanism, "AMQP", "localhost", null, null); |
| return ss; |
| } |
| |
| protected void secure(final SaslServer ss, final Connection conn, final byte[] response) |
| { |
| try |
| { |
| byte[] challenge = ss.evaluateResponse(response); |
| if (ss.isComplete()) |
| { |
| ss.dispose(); |
| tuneAuthorizedConnection(conn); |
| } |
| else |
| { |
| connectionAuthContinue(conn, challenge); |
| } |
| } |
| catch (SaslException e) |
| { |
| connectionAuthFailed(conn, e); |
| } |
| } |
| |
| protected void connectionAuthFailed(final Connection conn, Exception e) |
| { |
| conn.exception(e); |
| conn.connectionClose(ConnectionCloseCode.CONNECTION_FORCED, e.getMessage()); |
| } |
| |
| protected void connectionAuthContinue(final Connection conn, byte[] challenge) |
| { |
| conn.connectionSecure(challenge); |
| } |
| |
| protected void tuneAuthorizedConnection(final Connection conn) |
| { |
| conn.connectionTune |
| (getChannelMax(), |
| org.apache.qpid.transport.network.ConnectionBinding.MAX_FRAME_SIZE, |
| 0, getHeartbeatMax()); |
| } |
| |
| protected void secure(final Connection conn, final byte[] response) |
| { |
| final SaslServer ss = conn.getSaslServer(); |
| secure(ss, conn, response); |
| } |
| |
| protected int getHeartbeatMax() |
| { |
| return 0xFFFF; |
| } |
| |
| protected int getChannelMax() |
| { |
| return 0xFFFF; |
| } |
| |
| @Override |
| public void connectionSecureOk(Connection conn, ConnectionSecureOk ok) |
| { |
| secure(conn, ok.getResponse()); |
| } |
| |
| @Override |
| public void connectionTuneOk(Connection conn, ConnectionTuneOk ok) |
| { |
| |
| } |
| |
| @Override |
| public void connectionOpen(Connection conn, ConnectionOpen open) |
| { |
| conn.connectionOpenOk(Collections.emptyList()); |
| |
| conn.setState(OPEN); |
| } |
| |
| protected Session getSession(Connection conn, SessionDelegate delegate, SessionAttach atc) |
| { |
| return new Session(conn, delegate, new Binary(atc.getName()), 0); |
| } |
| |
| |
| public Session getSession(Connection conn, SessionAttach atc) |
| { |
| return new Session(conn, new Binary(atc.getName()), 0); |
| } |
| |
| @Override |
| public void sessionAttach(Connection conn, SessionAttach atc) |
| { |
| Session ssn = getSession(conn, atc); |
| conn.map(ssn, atc.getChannel()); |
| conn.registerSession(ssn); |
| ssn.sessionAttached(atc.getName()); |
| ssn.setState(Session.State.OPEN); |
| } |
| |
| protected void setConnectionTuneOkChannelMax(final Connection conn, final int okChannelMax) |
| { |
| //0 means no implied limit, except available server resources |
| //(or that forced by protocol limitations [0xFFFF]) |
| conn.setChannelMax(okChannelMax == 0 ? Connection.MAX_CHANNEL_MAX : okChannelMax); |
| } |
| } |