/*
* Copyright 2002-2004 The Apache Software Foundation
*
* 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.apache.tools.ant.taskdefs.email;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.PrintStream;
import java.io.UnsupportedEncodingException;
import java.util.Enumeration;
import java.util.Properties;
import java.util.StringTokenizer;
import java.util.Vector;
import java.security.Security;
import java.security.Provider;
import javax.activation.DataHandler;
import javax.activation.FileDataSource;
import javax.mail.Authenticator;
import javax.mail.PasswordAuthentication;
import javax.mail.Session;
import javax.mail.Message;
import javax.mail.Transport;
import javax.mail.MessagingException;
import javax.mail.internet.AddressException;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeBodyPart;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeMultipart;
import org.apache.tools.ant.BuildException;
/**
* Uses the JavaMail classes to send Mime format email.
*
* @author roxspring@yahoo.com Rob Oxspring
* @author <a href="mailto:ishu@akm.ru">Aleksandr Ishutin</a>
* @since Ant 1.5
*/
public class MimeMailer extends Mailer {
/** Default character set */
private static final String DEFAULT_CHARSET
= System.getProperty("file.encoding");
// To work properly with national charsets we have to use
// implementation of interface javax.activation.DataSource
/**
* @since Ant 1.6
*/
class StringDataSource implements javax.activation.DataSource {
private String data = null;
private String type = null;
private String charset = null;
private ByteArrayOutputStream out;
public InputStream getInputStream() throws IOException {
if (data == null && out == null) {
throw new IOException("No data");
} else {
if (out != null) {
data = (data != null) ? data.concat(out.toString(charset)) : out.toString(charset);
out = null;
}
return new ByteArrayInputStream(data.getBytes(charset));
}
}
public OutputStream getOutputStream() throws IOException {
if (out == null) {
out = new ByteArrayOutputStream();
}
return out;
}
public void setContentType(String type) {
this.type = type.toLowerCase();
}
public String getContentType() {
if (type != null && type.indexOf("charset") > 0 && type.startsWith("text/")) {
return type;
}
// Must be like "text/plain; charset=windows-1251"
return type != null ? type.concat("; charset=".concat(charset))
: "text/plain".concat("; charset=".concat(charset));
}
public String getName() {
return "StringDataSource";
}
public void setCharset(String charset) {
this.charset = charset;
}
public String getCharset() {
return charset;
}
}
/** Sends the email */
public void send() {
try {
Properties props = new Properties();
props.put("mail.smtp.host", host);
props.put("mail.smtp.port", String.valueOf(port));
// Aside, the JDK is clearly unaware of the Scottish
// 'session', which involves excessive quantities of
// alcohol :-)
Session sesh;
Authenticator auth;
if (SSL) {
try {
Provider p
= (Provider) Class.forName("com.sun.net.ssl.internal.ssl.Provider").newInstance();
Security.addProvider(p);
} catch (Exception e) {
throw new BuildException("could not instantiate ssl "
+ "security provider, check that you have JSSE in "
+ "your classpath");
}
final String SSL_FACTORY = "javax.net.ssl.SSLSocketFactory";
// SMTP provider
props.put("mail.smtp.socketFactory.class", SSL_FACTORY);
props.put("mail.smtp.socketFactory.fallback", "false");
}
if (user == null && password == null) {
sesh = Session.getDefaultInstance(props, null);
} else {
props.put("mail.smtp.auth", "true");
auth = new SimpleAuthenticator(user, password);
sesh = Session.getInstance(props, auth);
}
//create the message
MimeMessage msg = new MimeMessage(sesh);
MimeMultipart attachments = new MimeMultipart();
//set the sender
if (from.getName() == null) {
msg.setFrom(new InternetAddress(from.getAddress()));
} else {
msg.setFrom(new InternetAddress(from.getAddress(),
from.getName()));
}
// set the reply to addresses
msg.setReplyTo(internetAddresses(replyToList));
msg.setRecipients(Message.RecipientType.TO,
internetAddresses(toList));
msg.setRecipients(Message.RecipientType.CC,
internetAddresses(ccList));
msg.setRecipients(Message.RecipientType.BCC,
internetAddresses(bccList));
// Choosing character set of the mail message
// First: looking it from MimeType
String charset = parseCharSetFromMimeType(message.getMimeType());
if (charset != null) {
// Assign/reassign message charset from MimeType
message.setCharset(charset);
} else {
// Next: looking if charset having explicit definition
charset = message.getCharset();
if (charset == null) {
// Using default
charset = DEFAULT_CHARSET;
message.setCharset(charset);
}
}
// Using javax.activation.DataSource paradigm
StringDataSource sds = new StringDataSource();
sds.setContentType(message.getMimeType());
sds.setCharset(charset);
if (subject != null) {
msg.setSubject(subject, charset);
}
msg.addHeader("Date", getDate());
PrintStream out = new PrintStream(sds.getOutputStream());
message.print(out);
out.close();
MimeBodyPart textbody = new MimeBodyPart();
textbody.setDataHandler(new DataHandler(sds));
attachments.addBodyPart(textbody);
Enumeration e = files.elements();
while (e.hasMoreElements()) {
File file = (File) e.nextElement();
MimeBodyPart body;
body = new MimeBodyPart();
if (!file.exists() || !file.canRead()) {
throw new BuildException("File \"" + file.getAbsolutePath()
+ "\" does not exist or is not "
+ "readable.");
}
FileDataSource fileData = new FileDataSource(file);
DataHandler fileDataHandler = new DataHandler(fileData);
body.setDataHandler(fileDataHandler);
body.setFileName(file.getName());
attachments.addBodyPart(body);
}
msg.setContent(attachments);
Transport.send(msg);
} catch (MessagingException e) {
throw new BuildException("Problem while sending mime mail:", e);
} catch (IOException e) {
throw new BuildException("Problem while sending mime mail:", e);
}
}
private static InternetAddress[] internetAddresses(Vector list)
throws AddressException, UnsupportedEncodingException {
InternetAddress[] addrs = new InternetAddress[list.size()];
for (int i = 0; i < list.size(); ++i) {
EmailAddress addr = (EmailAddress) list.elementAt(i);
if (addr.getName() == null) {
addrs[i] = new InternetAddress(addr.getAddress());
} else {
addrs[i] = new InternetAddress(addr.getAddress(),
addr.getName());
}
}
return addrs;
}
private String parseCharSetFromMimeType(String type) {
int pos;
if (type == null || (pos = type.indexOf("charset")) < 0) {
return null;
}
// Assuming mime type in form "text/XXXX; charset=XXXXXX"
StringTokenizer token = new StringTokenizer(type.substring(pos), "=; ");
token.nextToken(); // Skip 'charset='
return token.nextToken();
}
static class SimpleAuthenticator extends Authenticator {
private String user = null;
private String password = null;
public SimpleAuthenticator(String user, String password) {
this.user = user;
this.password = password;
}
public PasswordAuthentication getPasswordAuthentication() {
return new PasswordAuthentication(user, password);
}
}
}