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1   /**
2    *
3    * Copyright 2003-2004 The Apache Software Foundation
4    *
5    *  Licensed under the Apache License, Version 2.0 (the "License");
6    *  you may not use this file except in compliance with the License.
7    *  You may obtain a copy of the License at
8    *
9    *     http://www.apache.org/licenses/LICENSE-2.0
10   *
11   *  Unless required by applicable law or agreed to in writing, software
12   *  distributed under the License is distributed on an "AS IS" BASIS,
13   *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   *  See the License for the specific language governing permissions and
15   *  limitations under the License.
16   */
17  
18  package org.apache.geronimo.deployment.cli;
19  
20  import org.apache.geronimo.common.DeploymentException;
21  import org.apache.geronimo.util.SimpleEncryption;
22  
23  import java.io.PrintWriter;
24  import java.io.File;
25  import java.io.InputStream;
26  import java.io.FileInputStream;
27  import java.io.BufferedInputStream;
28  import java.io.OutputStream;
29  import java.io.BufferedOutputStream;
30  import java.io.FileOutputStream;
31  import java.io.IOException;
32  import java.util.Properties;
33  
34  /**
35   * The CLI deployer logic to start.
36   *
37   * @version $Rev: 405624 $ $Date: 2006-05-09 21:08:49 -0700 (Tue, 09 May 2006) $
38   */
39  public class CommandLogin extends AbstractCommand {
40      public CommandLogin() {
41          super("login", "1. Common Commands", "",
42                  "Saves the username and password for this connection to the "+
43                  "file .geronimo-deployer in the current user's home directory.  " +
44                  "Future connections to the same server will try to use this "+
45                  "saved authentication information instead of prompting where " +
46                  "possible.  This information is saved separately per connection " +
47                  "URL, so you can specify --url or --host and/or --port on the command " +
48                  "line to save a login to a different server.\n" +
49                  "WARNING: while the login information is not saved in " +
50                  "clear text, it is not secure either.  If you want to " +
51                  "save the authentication securely, you should change the " +
52                  ".geronimo-deployer file in your home directory so that nobody " +
53                  "else can read or write it.");
54      }
55  
56      public CommandLogin(String command, String group, String helpArgumentList, String helpText) {
57          super(command, group, helpArgumentList, helpText);
58      }
59  
60      public void execute(PrintWriter out, ServerConnection connection, String[] args) throws DeploymentException {
61          try {
62              File authFile = new File(System.getProperty("user.home"), ".geronimo-deployer");
63              if(!authFile.exists()) {
64                  if(!authFile.createNewFile()) {
65                      throw new DeploymentException("Unable to create "+authFile.getAbsolutePath()+" to hold saved logins");
66                  }
67              }
68              if(!authFile.canRead() || !authFile.canWrite()) {
69                  throw new DeploymentException("Saved login file "+authFile.getAbsolutePath()+" is not readable or not writable");
70              }
71              Properties props = new Properties();
72              InputStream in = new BufferedInputStream(new FileInputStream(authFile));
73              props.load(in);
74              in.close();
75              props.setProperty("login."+connection.getServerURI(), "{Standard}"+SimpleEncryption.encrypt(connection.getAuthentication()));
76              OutputStream save = new BufferedOutputStream(new FileOutputStream(authFile));
77              props.store(save, "Saved authentication information to connect to Geronimo servers");
78              save.flush();
79              save.close();
80              System.out.print(DeployUtils.reformat("Saved login for: "+connection.getServerURI(), 4, 72));
81          } catch (IOException e) {
82              throw new DeploymentException("Unable to save authentication to login file", e);
83          }
84      }
85  }