/
SendHtml.java
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/
SendHtml.java
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/*
* Copyright 2017 Red Hat, Inc. and/or its affiliates.
*
* Licensed 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.
*/
package org.jbpm.process.workitem.email;
import java.io.File;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.Date;
import java.util.List;
import java.util.Properties;
import javax.activation.DataHandler;
import javax.activation.MimetypesFileTypeMap;
import javax.mail.Message;
import javax.mail.Message.RecipientType;
import javax.mail.MessagingException;
import javax.mail.Multipart;
import javax.mail.PasswordAuthentication;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeBodyPart;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeMultipart;
import javax.mail.util.ByteArrayDataSource;
import javax.naming.InitialContext;
import javax.naming.NamingException;
public class SendHtml {
private static final String MAIL_JNDI_KEY = System.getProperty("org.kie.mail.session",
"mail/jbpmMailSession");
private static boolean debug = Boolean.parseBoolean(System.getProperty("org.kie.mail.debug",
"false"));
public static void sendHtml(Email email) {
sendHtml(email,
email.getConnection());
}
public static void sendHtml(Email email,
boolean debug) {
sendHtml(email,
email.getConnection(),
debug);
}
public static void sendHtml(Email email,
Connection connection) {
sendHtml(email,
connection,
debug);
}
public static void sendHtml(Email email,
Connection connection,
boolean debug) {
int port = Integer.parseInt(connection.getPort());
String mailhost = connection.getHost();
String username = connection.getUserName();
String password = connection.getPassword();
Session session = getSession(connection);
session.setDebug(debug);
try {
Message msg = fillMessage(email,
session);
// send the thing off
Transport t = (Transport) session.getTransport("smtp");
try {
t.connect(mailhost,
port,
username,
password);
t.sendMessage(msg,
msg.getAllRecipients());
} catch (Exception e) {
throw new RuntimeException("Connection failure",
e);
} finally {
t.close();
}
} catch (Exception e) {
throw new RuntimeException("Unable to send email",
e);
}
}
private static Message fillMessage(Email email,
Session session) {
org.jbpm.process.workitem.email.Message message = email.getMessage();
String subject = message.getSubject();
String from = message.getFrom();
String replyTo = message.getReplyTo();
String mailer = "sendhtml";
if (from == null) {
throw new RuntimeException("Email must have 'from' address");
}
if (replyTo == null) {
replyTo = from;
}
// Construct and fill the Message
Message msg = null;
try {
msg = new MimeMessage(session);
msg.setFrom(new InternetAddress(from));
msg.setReplyTo(new InternetAddress[]{new InternetAddress(replyTo)});
for (Recipient recipient : message.getRecipients().getRecipients()) {
RecipientType type = null;
if ("To".equals(recipient.getType())) {
type = Message.RecipientType.TO;
} else if ("Cc".equals(recipient.getType())) {
type = Message.RecipientType.CC;
} else if ("Bcc".equals(recipient.getType())) {
type = Message.RecipientType.BCC;
} else {
throw new RuntimeException("Unable to determine recipient type");
}
msg.addRecipients(type,
InternetAddress.parse(recipient.getEmail(),
false));
}
if (message.hasAttachment()) {
Multipart multipart = new MimeMultipart();
// prepare body as first mime body part
MimeBodyPart messageBodyPart = new MimeBodyPart();
messageBodyPart.setDataHandler(new DataHandler(new ByteArrayDataSource(message.getBody(),
"text/html")));
multipart.addBodyPart(messageBodyPart);
List<String> attachments = message.getAttachments();
for (String attachment : attachments) {
MimeBodyPart attachementBodyPart = new MimeBodyPart();
URL attachmentUrl = getAttachemntURL(attachment);
String contentType = MimetypesFileTypeMap.getDefaultFileTypeMap().getContentType(attachmentUrl.getFile());
attachementBodyPart.setDataHandler(new DataHandler(new ByteArrayDataSource(attachmentUrl.openStream(),
contentType)));
String fileName = new File(attachmentUrl.getFile()).getName();
attachementBodyPart.setFileName(fileName);
attachementBodyPart.setContentID("<" + fileName + ">");
multipart.addBodyPart(attachementBodyPart);
}
// Put parts in message
msg.setContent(multipart);
} else {
msg.setDataHandler(new DataHandler(new ByteArrayDataSource(message.getBody(),
"text/html")));
}
msg.setSubject(subject);
msg.setHeader("X-Mailer",
mailer);
msg.setSentDate(new Date());
} catch (Exception e) {
throw new RuntimeException("Unable to send email",
e);
}
return msg;
}
public static void collect(String body,
Message msg) throws MessagingException, IOException {
// String subject = msg.getSubject();
StringBuffer sb = new StringBuffer();
// sb.append( "<HTML>\n" );
// sb.append( "<HEAD>\n" );
// sb.append( "<TITLE>\n" );
// sb.append( subject + "\n" );
// sb.append( "</TITLE>\n" );
// sb.append( "</HEAD>\n" );
// sb.append( "<BODY>\n" );
// sb.append( "<H1>" + subject + "</H1>" + "\n" );
sb.append(body);
// sb.append( "</BODY>\n" );
// sb.append( "</HTML>\n" );
}
private static Session getSession(Connection connection) {
Session session = null;
try {
session = InitialContext.doLookup(MAIL_JNDI_KEY);
} catch (NamingException e1) {
String username = connection.getUserName();
String password = connection.getPassword();
Properties properties = new Properties();
properties.setProperty("mail.smtp.host",
connection.getHost());
properties.setProperty("mail.smtp.port",
connection.getPort());
if (connection.getStartTls() != null && connection.getStartTls()) {
properties.put("mail.smtp.starttls.enable",
"true");
}
if (username != null) {
properties.setProperty("mail.smtp.submitter",
username);
if (password != null) {
Authenticator authenticator = new Authenticator(username,
password);
properties.setProperty("mail.smtp.auth",
"true");
session = Session.getInstance(properties,
authenticator);
} else {
session = Session.getInstance(properties);
}
} else {
session = Session.getInstance(properties);
}
}
return session;
}
protected static URL getAttachemntURL(String attachment) throws MalformedURLException {
if (attachment.startsWith("classpath:")) {
String location = attachment.replaceFirst("classpath:",
"");
return SendHtml.class.getResource(location);
} else {
URL attachmentUrl = new URL(attachment);
return attachmentUrl;
}
}
private static class Authenticator extends javax.mail.Authenticator {
private PasswordAuthentication authentication;
public Authenticator(String username,
String password) {
authentication = new PasswordAuthentication(username,
password);
}
protected PasswordAuthentication getPasswordAuthentication() {
return authentication;
}
}
}