001    /**
002     *
003     * Copyright 2003-2004 The Apache Software Foundation
004     *
005     *  Licensed under the Apache License, Version 2.0 (the "License");
006     *  you may not use this file except in compliance with the License.
007     *  You may obtain a copy of the License at
008     *
009     *     http://www.apache.org/licenses/LICENSE-2.0
010     *
011     *  Unless required by applicable law or agreed to in writing, software
012     *  distributed under the License is distributed on an "AS IS" BASIS,
013     *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     *  See the License for the specific language governing permissions and
015     *  limitations under the License.
016     */
017    
018    package org.apache.geronimo.deployment.cli;
019    
020    import org.apache.geronimo.common.DeploymentException;
021    import org.apache.geronimo.util.SimpleEncryption;
022    
023    import java.io.PrintWriter;
024    import java.io.File;
025    import java.io.InputStream;
026    import java.io.FileInputStream;
027    import java.io.BufferedInputStream;
028    import java.io.OutputStream;
029    import java.io.BufferedOutputStream;
030    import java.io.FileOutputStream;
031    import java.io.IOException;
032    import java.util.Properties;
033    
034    /**
035     * The CLI deployer logic to start.
036     *
037     * @version $Rev: 405624 $ $Date: 2006-05-09 21:08:49 -0700 (Tue, 09 May 2006) $
038     */
039    public class CommandLogin extends AbstractCommand {
040        public CommandLogin() {
041            super("login", "1. Common Commands", "",
042                    "Saves the username and password for this connection to the "+
043                    "file .geronimo-deployer in the current user's home directory.  " +
044                    "Future connections to the same server will try to use this "+
045                    "saved authentication information instead of prompting where " +
046                    "possible.  This information is saved separately per connection " +
047                    "URL, so you can specify --url or --host and/or --port on the command " +
048                    "line to save a login to a different server.\n" +
049                    "WARNING: while the login information is not saved in " +
050                    "clear text, it is not secure either.  If you want to " +
051                    "save the authentication securely, you should change the " +
052                    ".geronimo-deployer file in your home directory so that nobody " +
053                    "else can read or write it.");
054        }
055    
056        public CommandLogin(String command, String group, String helpArgumentList, String helpText) {
057            super(command, group, helpArgumentList, helpText);
058        }
059    
060        public void execute(PrintWriter out, ServerConnection connection, String[] args) throws DeploymentException {
061            try {
062                File authFile = new File(System.getProperty("user.home"), ".geronimo-deployer");
063                if(!authFile.exists()) {
064                    if(!authFile.createNewFile()) {
065                        throw new DeploymentException("Unable to create "+authFile.getAbsolutePath()+" to hold saved logins");
066                    }
067                }
068                if(!authFile.canRead() || !authFile.canWrite()) {
069                    throw new DeploymentException("Saved login file "+authFile.getAbsolutePath()+" is not readable or not writable");
070                }
071                Properties props = new Properties();
072                InputStream in = new BufferedInputStream(new FileInputStream(authFile));
073                props.load(in);
074                in.close();
075                props.setProperty("login."+connection.getServerURI(), "{Standard}"+SimpleEncryption.encrypt(connection.getAuthentication()));
076                OutputStream save = new BufferedOutputStream(new FileOutputStream(authFile));
077                props.store(save, "Saved authentication information to connect to Geronimo servers");
078                save.flush();
079                save.close();
080                System.out.print(DeployUtils.reformat("Saved login for: "+connection.getServerURI(), 4, 72));
081            } catch (IOException e) {
082                throw new DeploymentException("Unable to save authentication to login file", e);
083            }
084        }
085    }