/**
* Copyright (c) 2011-2012 Optimax Software Ltd.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* * Neither the name of Optimax Software, ElasticInbox, nor the names
* of its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.elasticinbox.pop3.server.handler;
import org.apache.james.protocols.pop3.POP3Session;
import org.apache.james.protocols.pop3.core.AbstractPassCmdHandler;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.ecyrd.speed4j.StopWatch;
import com.elasticinbox.core.account.authenticator.AuthenticationException;
import com.elasticinbox.core.account.authenticator.AuthenticatorFactory;
import com.elasticinbox.core.account.authenticator.IAuthenticator;
import com.elasticinbox.core.account.validator.IValidator;
import com.elasticinbox.core.account.validator.ValidatorFactory;
import com.elasticinbox.core.account.validator.IValidator.AccountStatus;
import com.elasticinbox.core.model.Mailbox;
import com.elasticinbox.pop3.Activator;
/**
* POP3 Authentication Handler (AUTH)
*
* @author Rustam Aliyev
*/
public final class AuthHandler extends AbstractPassCmdHandler
{
private static final Logger logger =
LoggerFactory.getLogger(AuthHandler.class);
private MailboxHandlerFactory backend;
private IValidator validator = ValidatorFactory.getValidator();
private IAuthenticator authenticator = AuthenticatorFactory.getAuthenticator();
public AuthHandler(MailboxHandlerFactory backend) {
this.backend = backend;
}
@Override
protected org.apache.james.protocols.pop3.mailbox.Mailbox auth(POP3Session session, String username, String password) throws Exception
{
Mailbox mailbox;
logger.debug("POP3: Authenticating session {}, user {}, pass {}",
new Object[] { session.getSessionID(), username, password });
StopWatch stopWatch = Activator.getDefault().getStopWatch();
try {
// authenticate mailbox, if failed return null
AccountStatus status = validator.getAccountStatus(username);
session.getLogger().debug("Validated account (" + username + ") status is " + status.toString());
if (!status.equals(AccountStatus.ACTIVE)) {
throw new AuthenticationException("User " + username + " does not exist or inactive");
}
// authenticate user with password
mailbox = authenticator.authenticate(username, password);
stopWatch.stop("AUTH.success");
// return POP3 handler for mailbox
return backend.getMailboxHander(mailbox);
} catch (IllegalArgumentException iae) {
stopWatch.stop("AUTH.fail");
logger.debug("POP3 Authentication failed. Invalid username [{}]: {}", username, iae.getMessage());
return null;
} catch (AuthenticationException ae) {
stopWatch.stop("AUTH.fail");
logger.debug("POP3 Authentication failed. Invalid username [{}] or password [{}]", username, password);
return null;
}
}
}