Dave Hoover
8856120403
git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@5399 542714f4-19e9-0310-aa3c-eee0fc999fb1
102 lines
3.9 KiB
Java
102 lines
3.9 KiB
Java
//
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// $Id$
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//
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// Narya library - tools for developing networked games
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// Copyright (C) 2002-2007 Three Rings Design, Inc., All Rights Reserved
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// http://www.threerings.net/code/narya/
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//
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// This library is free software; you can redistribute it and/or modify it
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// under the terms of the GNU Lesser General Public License as published
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// by the Free Software Foundation; either version 2.1 of the License, or
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// (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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package com.threerings.presents.server;
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import com.samskivert.util.Invoker;
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import com.samskivert.util.ResultListener;
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import com.threerings.presents.data.AuthCodes;
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import com.threerings.presents.net.AuthRequest;
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import com.threerings.presents.net.AuthResponse;
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import com.threerings.presents.net.AuthResponseData;
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import com.threerings.presents.server.net.AuthingConnection;
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import static com.threerings.presents.Log.log;
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/**
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* The authenticator is a pluggable component of the authentication framework. The base class
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* handles the basic mechanics of authentication and a system would extend the base authenticator
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* and add code that does the actual client authentication.
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*/
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public abstract class Authenticator
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{
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/**
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* Called by the connection management code when an authenticating connection has received its
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* authentication request from the client.
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*/
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public void authenticateConnection (Invoker invoker, final AuthingConnection conn,
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final ResultListener<AuthingConnection> onComplete)
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{
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final AuthRequest req = conn.getAuthRequest();
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final AuthResponseData rdata = createResponseData();
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final AuthResponse rsp = new AuthResponse(rdata);
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invoker.postUnit(new Invoker.Unit("authenticateConnection") {
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@Override
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public boolean invoke () {
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try {
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processAuthentication(conn, rsp);
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} catch (Exception e) {
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log.warning("Error authenticating user [areq=" + req + "].", e);
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rdata.code = AuthCodes.SERVER_ERROR;
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}
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return true;
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}
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@Override
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public void handleResult () {
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// stuff a reference to the auth response into the connection so that we have
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// access to it later in the authentication process
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conn.setAuthResponse(rsp);
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// send the response back to the client
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conn.postMessage(rsp);
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// if the authentication request was granted, let the connection manager know that
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// we just authed
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if (AuthResponseData.SUCCESS.equals(rdata.code)) {
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onComplete.requestCompleted(conn);
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}
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}
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});
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}
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/**
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* Create a new AuthResponseData instance to use for authenticating a connection.
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*/
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protected AuthResponseData createResponseData ()
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{
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return new AuthResponseData();
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}
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/**
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* Process the authentication for the specified connection. The method may return after it has
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* stuffed a valid response code in rsp.getData().code.
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*
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* @param conn The client connection.
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* @param rsp The response to the client, which will already contain an AuthResponseData
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* created by {@link #createResponseData}.
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*/
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protected abstract void processAuthentication (AuthingConnection conn, AuthResponse rsp)
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throws Exception;
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}
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