001/*
002 * Copyright (c) 2017 The Regents of the University of California.
003 * All rights reserved.
004 *
005 * '$Author: crawl $'
006 * '$Date: 2017-05-10 16:55:24 -0700 (Wed, 10 May 2017) $' 
007 * '$Revision: 1181 $'
008 * 
009 * Permission is hereby granted, without written agreement and without
010 * license or royalty fees, to use, copy, modify, and distribute this
011 * software and its documentation for any purpose, provided that the above
012 * copyright notice and the following two paragraphs appear in all copies
013 * of this software.
014 *
015 * IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY
016 * FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
017 * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF
018 * THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF
019 * SUCH DAMAGE.
020 *
021 * THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
022 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
023 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE
024 * PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND THE UNIVERSITY OF
025 * CALIFORNIA HAS NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES,
026 * ENHANCEMENTS, OR MODIFICATIONS.
027 *
028 */
029package org.kepler.webview.server.auth;
030
031import org.kepler.webview.server.WebViewConfiguration;
032
033import io.vertx.core.AsyncResult;
034import io.vertx.core.Future;
035import io.vertx.core.Handler;
036import io.vertx.core.json.JsonObject;
037import io.vertx.ext.auth.AuthProvider;
038import io.vertx.ext.auth.User;
039
040/** Simple AuthProvider implementation that reads passwords from configuration.xml.
041 * 
042 * @author Daniel Crawl
043 * @version $Id: SimpleAuth.java 1181 2017-05-10 23:55:24Z crawl $
044 * 
045 */
046public class SimpleAuth implements AuthProvider {
047
048    @Override
049    public void authenticate(JsonObject authInfo, Handler<AsyncResult<User>> handler) {
050
051        String username = authInfo.getString("username");
052        if (username == null) {
053            handler.handle(Future.failedFuture("authInfo must contain username in 'username' field"));
054            return;
055        }
056
057        String password = authInfo.getString("password");
058        if (password == null) {
059            handler.handle(Future.failedFuture("authInfo must contain password in 'password' field"));
060            return;
061        }
062
063        String group = WebViewConfiguration.getSimpleAuthGroup(username, password);
064        if(group == null) {
065            handler.handle(Future.failedFuture("Incorrect password."));
066        } else {
067            handler.handle(Future.succeededFuture(new NoneUser(username, group)));
068        }
069    }
070}