/*
* Copyright (C) The Apache Software Foundation. All rights reserved.
*
* This software is published under the terms of the Apache Software License
* version 1.1, a copy of which has been included with this distribution in
* the LICENSE file.
*/
package org.apache.james.transport.mailets;
import java.io.*;
import java.util.*;
import javax.mail.*;
import javax.mail.internet.*;
import org.apache.james.*;
import org.apache.james.transport.*;
import org.apache.mailet.*;
import org.apache.james.util.RFC822Date;
/**
* Sends an error message to the sender of a message (that's typically landed in
* the error mail repository). You can optionally specify a sender of the error
* message. If you do not specify one, it will use the postmaster's address
*
* Sample configuration:
* <mailet match="All" class="NotifyPostmaster">
* <sendingAddress>nobounce@localhost</sendingAddress>
* <attachStackTrace>true</attachStackTrace>
* <notice>Notice attached to the message (optional)</notice>
* </mailet>
*
* @author Serge Knystautas <sergek@lokitech.com>
* @author Ivan Seskar <iseskar@upsideweb.com>
* @author Danny Angus <danny@thought.co.uk>
*/
public class NotifyPostmaster extends GenericMailet {
MailAddress notifier = null;
boolean attachStackTrace = false;
String noticeText = null;
public void init() throws MessagingException {
if (getInitParameter("sendingAddress") == null) {
notifier = getMailetContext().getPostmaster();
} else {
notifier = new MailAddress(getInitParameter("sendingAddress"));
}
if (getInitParameter("notice") == null) {
noticeText = "We were unable to deliver the attached message because of an error in the mail server.";
} else {
noticeText = getInitParameter("notice");
}
try {
attachStackTrace = new Boolean(getInitParameter("attachStackTrace")).booleanValue();
} catch (Exception e) {
}
}
/**
* Sends a message back to the sender indicating what time the server thinks it is.
*/
public void service(Mail mail) throws MessagingException {
MimeMessage message = mail.getMessage();
//Create the reply message
MimeMessage reply = new MimeMessage(Session.getDefaultInstance(System.getProperties(), null));
//Create the list of recipients in the Address[] format
InternetAddress[] rcptAddr = new InternetAddress[1];
rcptAddr[0] = getMailetContext().getPostmaster().toInternetAddress();
reply.setRecipients(Message.RecipientType.TO, rcptAddr);
//Set the sender...
reply.setFrom(notifier.toInternetAddress());
//Create the message
StringWriter sout = new StringWriter();
PrintWriter out = new PrintWriter(sout, true);
// First add the "local" notice
// (either from conf or generic error message)
out.println(noticeText);
// And then the message from other mailets
if (mail.getErrorMessage() != null) {
out.println();
out.println("Error message below:");
out.println(mail.getErrorMessage());
}
out.println();
out.println("Message details:");
if (message.getSubject() != null) {
out.println(" Subject: " + message.getSubject());
}
if (message.getSentDate() != null) {
out.println(" Sent date: " + message.getSentDate());
}
out.println(" MAIL FROM: " + mail.getSender());
Iterator rcptTo = mail.getRecipients().iterator();
out.println(" RCPT TO: " + rcptTo.next());
while (rcptTo.hasNext()) {
out.println(" " + rcptTo.next());
}
Address[] rcpts = message.getFrom();
if (rcpts != null) {
out.print(" From: ");
for (int i = 0; i < rcpts.length; i++) {
out.print(rcpts[i] + " ");
}
out.println();
}
rcpts = message.getRecipients(Message.RecipientType.TO);
if (rcpts != null) {
out.print(" To: ");
for (int i = 0; i < rcpts.length; i++) {
out.print(rcpts[i] + " ");
}
out.println();
}
rcpts = message.getRecipients(Message.RecipientType.CC);
if (rcpts != null) {
out.print(" CC: ");
for (int i = 0; i < rcpts.length; i++) {
out.print(rcpts[i] + " ");
}
out.println();
}
out.println(" Size (in bytes): " + message.getSize());
if (message.getLineCount() >= 0) {
out.println(" Number of lines: " + message.getLineCount());
}
try {
//Create the message body
MimeMultipart multipart = new MimeMultipart();
//Add message as the first mime body part
MimeBodyPart part = new MimeBodyPart();
part.setContent(sout.toString(), "text/plain");
part.setHeader("Content-Type", "text/plain");
multipart.addBodyPart(part);
//Add the original message as the second mime body part
part = new MimeBodyPart();
part.setContent(message.getContent(), message.getContentType());
part.setHeader("Content-Type", message.getContentType());
multipart.addBodyPart(part);
//if set, attach the full stack trace
if (attachStackTrace && mail.getErrorMessage() != null) {
part = new MimeBodyPart();
part.setContent(mail.getErrorMessage(), "text/plain");
part.setHeader("Content-Type", "text/plain");
multipart.addBodyPart(part);
}
reply.setContent(multipart);
reply.setHeader("Content-Type", multipart.getContentType());
} catch (IOException ioe) {
throw new MailetException("Unable to create multipart body");
}
//Create the list of recipients in our MailAddress format
Set recipients = new HashSet();
recipients.add(getMailetContext().getPostmaster());
//Set additional headers
if (reply.getHeader("Date")==null){
reply.setHeader("Date",new RFC822Date().toString());
}
String subject = message.getSubject();
if (subject == null) {
subject = "";
}
if (subject.indexOf("Re:") == 0){
reply.setSubject(subject);
} else {
reply.setSubject("Re:" + subject);
}
reply.setHeader("In-Reply-To", message.getMessageID());
//Send it off...
getMailetContext().sendMail(notifier, recipients, reply);
}
public String getMailetInfo() {
return "NotifyPostmaster Mailet";
}
}