org.mailster.pop3.commands.auth
Class AuthCramCommand

java.lang.Object
  org.mailster.pop3.commands.Pop3Command
      org.mailster.pop3.commands.MultiStatePop3Command
          org.mailster.pop3.commands.auth.AuthAlgorithmCommand
              org.mailster.pop3.commands.auth.AuthCramCommand

Direct Known Subclasses:

AuthCramMD5Command, AuthCramSHA1Command

public abstract class AuthCramCommand
extends AuthAlgorithmCommand

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Mailster (C) 2007-2009 De Oliveira Edouard

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., 675 Mass Ave, Cambridge, MA 02139, USA.

See Mailster Web Site
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AuthCramCommand.java - An abstract class supporting the POP3 AUTH CRAM command (see RFCs 1734 & 2195). Implementations use different hash functions.

Version:

$Revision: 1.7 $, $Date: 2009/02/03 00:56:00 $

Author:

Edouard De Oliveira

Field Summary

Fields inherited from class org.mailster.pop3.commands.auth.AuthAlgorithmCommand

CHECK_RESPONSE_TO_CHALLENGE_STATE

Constructor Summary

AuthCramCommand()

Method Summary

Pop3CommandState	challengeClient(AbstractPop3Handler handler, AbstractPop3Connection conn, java.lang.String cmd)
Pop3CommandState	checkClientResponse(AbstractPop3Handler handler, AbstractPop3Connection conn, java.lang.String cmd)
abstract java.lang.String	hmacHash(byte[] text, byte[] secret)
boolean	isSecuredAuthenticationMethod()

Methods inherited from class org.mailster.pop3.commands.auth.AuthAlgorithmCommand

execute, isValidForState

Methods inherited from class org.mailster.pop3.commands.MultiStatePop3Command

execute

Methods inherited from class org.mailster.pop3.commands.Pop3Command

tryLockingMailbox

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

AuthCramCommand

public AuthCramCommand()

Method Detail

hmacHash

public abstract java.lang.String hmacHash(byte[] text,
                                          byte[] secret)
                                   throws java.lang.Exception

Throws:

java.lang.Exception

challengeClient

public Pop3CommandState challengeClient(AbstractPop3Handler handler,
                                        AbstractPop3Connection conn,
                                        java.lang.String cmd)
                                 throws java.io.UnsupportedEncodingException

Specified by:

challengeClient in class AuthAlgorithmCommand

Throws:

java.io.UnsupportedEncodingException

checkClientResponse

public Pop3CommandState checkClientResponse(AbstractPop3Handler handler,
                                            AbstractPop3Connection conn,
                                            java.lang.String cmd)
                                     throws java.lang.Exception

Specified by:

checkClientResponse in class AuthAlgorithmCommand

Throws:

java.lang.Exception

isSecuredAuthenticationMethod

public boolean isSecuredAuthenticationMethod()

Overrides:

isSecuredAuthenticationMethod in class AuthAlgorithmCommand