001package org.apache.maven.settings.crypto;
002
003/*
004 * Licensed to the Apache Software Foundation (ASF) under one
005 * or more contributor license agreements.  See the NOTICE file
006 * distributed with this work for additional information
007 * regarding copyright ownership.  The ASF licenses this file
008 * to you under the Apache License, Version 2.0 (the
009 * "License"); you may not use this file except in compliance
010 * with the License.  You may obtain a copy of the License at
011 *
012 *   http://www.apache.org/licenses/LICENSE-2.0
013 *
014 * Unless required by applicable law or agreed to in writing,
015 * software distributed under the License is distributed on an
016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
017 * KIND, either express or implied.  See the License for the
018 * specific language governing permissions and limitations
019 * under the License.
020 */
021
022import java.util.ArrayList;
023import java.util.List;
024
025import org.apache.maven.settings.Proxy;
026import org.apache.maven.settings.Server;
027import org.apache.maven.settings.building.DefaultSettingsProblem;
028import org.apache.maven.settings.building.SettingsProblem;
029import org.apache.maven.settings.building.SettingsProblem.Severity;
030import org.codehaus.plexus.component.annotations.Component;
031import org.codehaus.plexus.component.annotations.Requirement;
032import org.sonatype.plexus.components.sec.dispatcher.SecDispatcher;
033import org.sonatype.plexus.components.sec.dispatcher.SecDispatcherException;
034
035/**
036 * Decrypts passwords in the settings.
037 * 
038 * @author Benjamin Bentmann
039 */
040@Component( role = SettingsDecrypter.class )
041public class DefaultSettingsDecrypter
042    implements SettingsDecrypter
043{
044
045    @Requirement( hint = "maven" )
046    private SecDispatcher securityDispatcher;
047
048    public SettingsDecryptionResult decrypt( SettingsDecryptionRequest request )
049    {
050        List<SettingsProblem> problems = new ArrayList<SettingsProblem>();
051
052        List<Server> servers = new ArrayList<Server>();
053
054        for ( Server server : request.getServers() )
055        {
056            server = server.clone();
057
058            servers.add( server );
059
060            try
061            {
062                server.setPassword( decrypt( server.getPassword() ) );
063            }
064            catch ( SecDispatcherException e )
065            {
066                problems.add( new DefaultSettingsProblem( "Failed to decrypt password for server " + server.getId()
067                    + ": " + e.getMessage(), Severity.ERROR, "server: " + server.getId(), -1, -1, e ) );
068            }
069
070            try
071            {
072                server.setPassphrase( decrypt( server.getPassphrase() ) );
073            }
074            catch ( SecDispatcherException e )
075            {
076                problems.add( new DefaultSettingsProblem( "Failed to decrypt passphrase for server " + server.getId()
077                    + ": " + e.getMessage(), Severity.ERROR, "server: " + server.getId(), -1, -1, e ) );
078            }
079        }
080
081        List<Proxy> proxies = new ArrayList<Proxy>();
082
083        for ( Proxy proxy : request.getProxies() )
084        {
085            proxy = proxy.clone();
086
087            proxies.add( proxy );
088
089            try
090            {
091                proxy.setPassword( decrypt( proxy.getPassword() ) );
092            }
093            catch ( SecDispatcherException e )
094            {
095                problems.add( new DefaultSettingsProblem( "Failed to decrypt password for proxy " + proxy.getId()
096                    + ": " + e.getMessage(), Severity.ERROR, "proxy: " + proxy.getId(), -1, -1, e ) );
097            }
098        }
099
100        return new DefaultSettingsDecryptionResult( servers, proxies, problems );
101    }
102
103    private String decrypt( String str )
104        throws SecDispatcherException
105    {
106        return ( str == null ) ? null : securityDispatcher.decrypt( str );
107    }
108
109}