/*
* SSHTools - Java SSH2 API
*
* Copyright (C) 2002-2003 Lee David Painter and Contributors.
*
* Contributions made by:
*
* Brett Smith
* Richard Pernavas
* Erwin Bolwidt
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package com.sshtools.common.automate;
import com.sshtools.j2ssh.transport.publickey.InvalidSshKeyException;
import com.sshtools.j2ssh.transport.publickey.OpenSSHPublicKeyFormat;
import com.sshtools.j2ssh.transport.publickey.SshPublicKey;
import com.sshtools.j2ssh.transport.publickey.SshPublicKeyFile;
import java.io.BufferedReader;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Iterator;
import java.util.Map;
/**
*
*
* @author $author$
* @version $Revision: 1.14 $
*/
public class OpenSSHAuthorizedKeysFormat implements AuthorizedKeysFormat {
/**
*
*
* @param keys
* @param saver
*
* @return
*
* @throws IOException
* @throws InvalidSshKeyException
* @throws UnsupportedOperationException
*/
public byte[] format(AuthorizedKeys keys, AuthorizedKeysFileSaver saver)
throws IOException, InvalidSshKeyException {
throw new UnsupportedOperationException(
"The OpenSSH authorized key file does not support additional key files!");
}
/**
*
*
* @param formatted
* @param loader
*
* @return
*
* @throws IOException
* @throws InvalidSshKeyException
* @throws UnsupportedOperationException
*/
public AuthorizedKeys unformat(byte[] formatted,
AuthorizedKeysFileLoader loader)
throws IOException, InvalidSshKeyException {
throw new UnsupportedOperationException(
"The OpenSSH authorized key file does not support additional key files!");
}
/**
*
*
* @param keys
*
* @return
*
* @throws IOException
* @throws InvalidSshKeyException
*/
public byte[] format(AuthorizedKeys keys)
throws IOException, InvalidSshKeyException {
ByteArrayOutputStream out = new ByteArrayOutputStream();
SshPublicKeyFile pubfile;
OpenSSHPublicKeyFormat openssh = new OpenSSHPublicKeyFormat();
Map.Entry entry;
for (Iterator it = keys.getAuthorizedKeys().entrySet().iterator();
(it != null) && it.hasNext();) {
entry = (Map.Entry) it.next();
openssh.setComment((String) entry.getValue());
pubfile = SshPublicKeyFile.create((SshPublicKey) entry.getKey(),
openssh);
out.write(pubfile.toString().getBytes("US-ASCII"));
out.write('\n');
}
return out.toByteArray();
}
/**
*
*
* @param formatted
*
* @return
*
* @throws IOException
* @throws InvalidSshKeyException
*/
public AuthorizedKeys unformat(byte[] formatted)
throws IOException, InvalidSshKeyException {
AuthorizedKeys keys = new AuthorizedKeys();
BufferedReader reader = new BufferedReader(new InputStreamReader(
new ByteArrayInputStream(formatted)));
String line;
SshPublicKeyFile pubfile;
while ((line = reader.readLine()) != null) {
pubfile = SshPublicKeyFile.parse(line.getBytes("US-ASCII"));
keys.addKey(pubfile.getComment(), pubfile.toPublicKey());
}
return keys;
}
/**
*
*
* @return
*/
public boolean requiresKeyFiles() {
return false;
}
}