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* Licensed to the Apache Software Foundation (ASF) under one *
* or more contributor license agreements. See the NOTICE file *
* distributed with this work for additional information *
* regarding copyright ownership. The ASF licenses this file *
* to you under the Apache License, Version 2.0 (the *
* "License"); you may not use this file except in compliance *
* with the License. You may obtain a copy of the License at *
* *
* http://www.apache.org/licenses/LICENSE-2.0 *
* *
* Unless required by applicable law or agreed to in writing, *
* software distributed under the License is distributed on an *
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY *
* KIND, either express or implied. See the License for the *
* specific language governing permissions and limitations *
* under the License. *
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package org.apache.james.protocols.pop3.core;
import java.io.IOException;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import org.apache.james.protocols.api.Request;
import org.apache.james.protocols.api.Response;
import org.apache.james.protocols.pop3.POP3Response;
import org.apache.james.protocols.pop3.POP3Session;
import org.apache.james.protocols.pop3.mailbox.Mailbox;
import org.apache.james.protocols.pop3.mailbox.MailboxFactory;
/**
* Handles PASS command
*/
public class PassCmdHandler extends RsetCmdHandler {
private static final Collection<String> COMMANDS = Collections.unmodifiableCollection(Arrays.asList("PASS"));
private MailboxFactory mailboxManager;
public void setMailboxFactory(MailboxFactory manager) {
this.mailboxManager = manager;
}
/**
* Handler method called upon receipt of a PASS command. Reads in and
* validates the password.
*/
public Response onCommand(POP3Session session, Request request) {
String parameters = request.getArgument();
POP3Response response = null;
if (session.getHandlerState() == POP3Session.AUTHENTICATION_USERSET && parameters != null) {
String passArg = parameters;
try {
Mailbox mailbox = mailboxManager.getMailbox(session, passArg);
if (mailbox != null) {
session.setUserMailbox(mailbox);
stat(session);
StringBuilder responseBuffer = new StringBuilder(64).append("Welcome ").append(session.getUser());
response = new POP3Response(POP3Response.OK_RESPONSE, responseBuffer.toString());
session.setHandlerState(POP3Session.TRANSACTION);
} else {
response = new POP3Response(POP3Response.ERR_RESPONSE, "Authentication failed.");
session.setHandlerState(POP3Session.AUTHENTICATION_READY);
}
} catch (IOException e) {
session.getLogger().error("Unexpected error accessing mailbox for " + session.getUser(), e);
response = new POP3Response(POP3Response.ERR_RESPONSE, "Unexpected error accessing mailbox");
session.setHandlerState(POP3Session.AUTHENTICATION_READY);
}
} else {
response = new POP3Response(POP3Response.ERR_RESPONSE, "Authentication failed.");
session.setHandlerState(POP3Session.AUTHENTICATION_READY);
}
return response;
}
/**
* @see org.apache.james.protocols.api.handler.CommandHandler#getImplCommands()
*/
public Collection<String> getImplCommands() {
return COMMANDS;
}
}