/*
* 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.
*
*/
package org.apache.tools.ant.taskdefs.email;
import java.io.File;
import java.util.StringTokenizer;
import java.util.Vector;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.Project;
import org.apache.tools.ant.Task;
import org.apache.tools.ant.types.EnumeratedAttribute;
import org.apache.tools.ant.types.FileSet;
import org.apache.tools.ant.types.Path;
import org.apache.tools.ant.types.Resource;
import org.apache.tools.ant.types.resources.FileProvider;
import org.apache.tools.ant.types.resources.FileResource;
import org.apache.tools.ant.util.ClasspathUtils;
/**
* A task to send SMTP email. This is a refactoring of the SendMail and
* MimeMail tasks such that both are within a single task.
*
* @since Ant 1.5
* @ant.task name="mail" category="network"
*/
public class EmailTask extends Task {
private static final int SMTP_PORT = 25;
/** Constant to show that the best available mailer should be used. */
public static final String AUTO = "auto";
/** Constant to allow the Mime mailer to be requested */
public static final String MIME = "mime";
/** Constant to allow the UU mailer to be requested */
public static final String UU = "uu";
/** Constant to allow the plaintext mailer to be requested */
public static final String PLAIN = "plain";
/**
* Enumerates the encoding constants.
*/
public static class Encoding extends EnumeratedAttribute {
/**
* finds the valid encoding values
*
* @return a list of valid entries
*/
@Override
public String[] getValues() {
return new String[] { AUTO, MIME, UU, PLAIN };
}
}
private String encoding = AUTO;
/** host running SMTP */
private String host = "localhost";
private Integer port = null;
/** subject field */
private String subject = null;
/** any text */
private Message message = null;
/** failure flag */
private boolean failOnError = true;
private boolean includeFileNames = false;
private String messageMimeType = null;
private String messageFileInputEncoding;
/* special headers */
/** sender */
private EmailAddress from = null;
/** replyto */
private Vector<EmailAddress> replyToList = new Vector<>();
/** TO recipients */
private Vector<EmailAddress> toList = new Vector<>();
/** CC (Carbon Copy) recipients */
private Vector<EmailAddress> ccList = new Vector<>();
/** BCC (Blind Carbon Copy) recipients */
private Vector<EmailAddress> bccList = new Vector<>();
/** generic headers */
private Vector<Header> headers = new Vector<>();
/** file list */
private Path attachments = null;
/** Character set for MimeMailer*/
private String charset = null;
/** User for SMTP auth */
private String user = null;
/** Password for SMTP auth */
private String password = null;
/** indicate if the user wishes SSL-TLS */
private boolean ssl = false;
/** indicate if the user wishes support for STARTTLS */
private boolean starttls = false;
/** ignore invalid recipients? */
private boolean ignoreInvalidRecipients = false;
/**
* Set the user for SMTP auth; this requires JavaMail.
* @param user the String username.
* @since Ant 1.6
*/
public void setUser(String user) {
this.user = user;
}
/**
* Set the password for SMTP auth; this requires JavaMail.
* @param password the String password.
* @since Ant 1.6
*/
public void setPassword(String password) {
this.password = password;
}
/**
* Set whether to send data over SSL.
* @param ssl boolean; if true SSL will be used.
* @since Ant 1.6
*/
public void setSSL(boolean ssl) {
this.ssl = ssl;
}
/**
* Set whether to allow authentication to switch to a TLS
* connection via STARTTLS.
* @param b boolean; if true STARTTLS will be supported.
* @since Ant 1.8.0
*/
public void setEnableStartTLS(boolean b) {
this.starttls = b;
}
/**
* Set the preferred encoding method.
*
* @param encoding The encoding (one of AUTO, MIME, UU, PLAIN).
*/
public void setEncoding(Encoding encoding) {
this.encoding = encoding.getValue();
}
/**
* Set the mail server port.
*
* @param port The port to use.
*/
public void setMailport(int port) {
this.port = new Integer(port);
}
/**
* Set the host.
*
* @param host The host to connect to.
*/
public void setMailhost(String host) {
this.host = host;
}
/**
* Set the subject line of the email.
*
* @param subject Subject of this email.
*/
public void setSubject(String subject) {
this.subject = subject;
}
/**
* Shorthand method to set the message.
*
* @param message Message body of this email.
*/
public void setMessage(String message) {
if (this.message != null) {
throw new BuildException(
"Only one message can be sent in an email");
}
this.message = new Message(message);
this.message.setProject(getProject());
}
/**
* Shorthand method to set the message from a file.
*
* @param file The file from which to take the message.
*/
public void setMessageFile(File file) {
if (this.message != null) {
throw new BuildException(
"Only one message can be sent in an email");
}
this.message = new Message(file);
this.message.setProject(getProject());
}
/**
* Shorthand method to set type of the text message, text/plain by default
* but text/html or text/xml is quite feasible.
*
* @param type The new MessageMimeType value.
*/
public void setMessageMimeType(String type) {
this.messageMimeType = type;
}
/**
* Add a message element.
*
* @param message The message object.
* @throws BuildException if a message has already been added.
*/
public void addMessage(Message message) throws BuildException {
if (this.message != null) {
throw new BuildException(
"Only one message can be sent in an email");
}
this.message = message;
}
/**
* Add a from address element.
*
* @param address The address to send from.
*/
public void addFrom(EmailAddress address) {
if (this.from != null) {
throw new BuildException("Emails can only be from one address");
}
this.from = address;
}
/**
* Shorthand to set the from address element.
*
* @param address The address to send mail from.
*/
public void setFrom(String address) {
if (this.from != null) {
throw new BuildException("Emails can only be from one address");
}
this.from = new EmailAddress(address);
}
/**
* Add a replyto address element.
*
* @param address The address to reply to.
* @since Ant 1.6
*/
public void addReplyTo(EmailAddress address) {
this.replyToList.add(address);
}
/**
* Shorthand to set the replyto address element.
*
* @param address The address to which replies should be directed.
* @since Ant 1.6
*/
public void setReplyTo(String address) {
this.replyToList.add(new EmailAddress(address));
}
/**
* Add a to address element.
*
* @param address An email address.
*/
public void addTo(EmailAddress address) {
toList.add(address);
}
/**
* Shorthand to set the "to" address element.
*
* @param list Comma-separated list of addresses.
*/
public void setToList(String list) {
StringTokenizer tokens = new StringTokenizer(list, ",");
while (tokens.hasMoreTokens()) {
toList.add(new EmailAddress(tokens.nextToken()));
}
}
/**
* Add a "cc" address element.
*
* @param address The email address.
*/
public void addCc(EmailAddress address) {
ccList.add(address);
}
/**
* Shorthand to set the "cc" address element.
*
* @param list Comma separated list of addresses.
*/
public void setCcList(String list) {
StringTokenizer tokens = new StringTokenizer(list, ",");
while (tokens.hasMoreTokens()) {
ccList.add(new EmailAddress(tokens.nextToken()));
}
}
/**
* Add a "bcc" address element.
*
* @param address The email address.
*/
public void addBcc(EmailAddress address) {
bccList.add(address);
}
/**
* Shorthand to set the "bcc" address element.
*
* @param list comma separated list of addresses.
*/
public void setBccList(String list) {
StringTokenizer tokens = new StringTokenizer(list, ",");
while (tokens.hasMoreTokens()) {
bccList.add(new EmailAddress(tokens.nextToken()));
}
}
/**
* Set whether BuildExceptions should be passed back to the core.
*
* @param failOnError The new FailOnError value.
*/
public void setFailOnError(boolean failOnError) {
this.failOnError = failOnError;
}
/**
* Set the list of files to be attached.
*
* @param filenames Comma-separated list of files.
*/
public void setFiles(String filenames) {
StringTokenizer t = new StringTokenizer(filenames, ", ");
while (t.hasMoreTokens()) {
createAttachments()
.add(new FileResource(getProject().resolveFile(t.nextToken())));
}
}
/**
* Add a set of files (nested fileset attribute).
*
* @param fs The fileset.
*/
public void addFileset(FileSet fs) {
createAttachments().add(fs);
}
/**
* Creates a Path as container for attachments. Supports any
* filesystem resource-collections that way.
* @return the path to be configured.
* @since Ant 1.7
*/
public Path createAttachments() {
if (attachments == null) {
attachments = new Path(getProject());
}
return attachments.createPath();
}
/**
* Create a nested header element.
* @return a Header instance.
*/
public Header createHeader() {
Header h = new Header();
headers.add(h);
return h;
}
/**
* Set whether to include filenames.
*
* @param includeFileNames Whether to include filenames in the text of the
* message.
*/
public void setIncludefilenames(boolean includeFileNames) {
this.includeFileNames = includeFileNames;
}
/**
* Get whether file names should be included.
*
* @return Identifies whether file names should be included.
*/
public boolean getIncludeFileNames() {
return includeFileNames;
}
/**
* Whether invalid recipients should be ignored (but a warning
* will be logged) instead of making the task fail.
*
* <p>Even with this property set to true the task will still fail
* if the mail couldn't be sent to any recipient at all.</p>
*
* @since Ant 1.8.0
*/
public void setIgnoreInvalidRecipients(boolean b) {
ignoreInvalidRecipients = b;
}
/**
* Send an email.
*/
@Override
public void execute() {
Message savedMessage = message;
try {
Mailer mailer = null;
// prepare for the auto select mechanism
boolean autoFound = false;
// try MIME format
if (MIME.equals(encoding)
|| (AUTO.equals(encoding) && !autoFound)) {
try {
//check to make sure that activation.jar
//and mail.jar are available - see bug 31969
Class.forName("javax.activation.DataHandler");
Class.forName("javax.mail.internet.MimeMessage");
mailer = ClasspathUtils.newInstance(
"org.apache.tools.ant.taskdefs.email.MimeMailer",
EmailTask.class.getClassLoader(), Mailer.class);
autoFound = true;
log("Using MIME mail", Project.MSG_VERBOSE);
} catch (BuildException e) {
logBuildException("Failed to initialise MIME mail: ", e);
}
}
// SMTP auth only allowed with MIME mail
if (!autoFound && ((user != null) || (password != null))
&& (UU.equals(encoding) || PLAIN.equals(encoding))) {
throw new BuildException("SMTP auth only possible with MIME mail");
}
// SSL only allowed with MIME mail
if (!autoFound && (ssl || starttls)
&& (UU.equals(encoding) || PLAIN.equals(encoding))) {
throw new BuildException(
"SSL and STARTTLS only possible with MIME mail");
}
// try UU format
if (UU.equals(encoding)
|| (AUTO.equals(encoding) && !autoFound)) {
try {
mailer = ClasspathUtils.newInstance(
"org.apache.tools.ant.taskdefs.email.UUMailer",
EmailTask.class.getClassLoader(), Mailer.class);
autoFound = true;
log("Using UU mail", Project.MSG_VERBOSE);
} catch (BuildException e) {
logBuildException("Failed to initialise UU mail: ", e);
}
}
// try plain format
if (PLAIN.equals(encoding)
|| (AUTO.equals(encoding) && !autoFound)) {
mailer = new PlainMailer();
autoFound = true;
log("Using plain mail", Project.MSG_VERBOSE);
}
// a valid mailer must be present by now
if (mailer == null) {
throw new BuildException("Failed to initialise encoding: %s",
encoding);
}
// a valid message is required
if (message == null) {
message = new Message();
message.setProject(getProject());
}
// an address to send from is required
if (from == null || from.getAddress() == null) {
throw new BuildException("A from element is required");
}
// at least one address to send to/cc/bcc is required
if (toList.isEmpty() && ccList.isEmpty() && bccList.isEmpty()) {
throw new BuildException(
"At least one of to, cc or bcc must be supplied");
}
// set the mimetype if not done already (and required)
if (messageMimeType != null) {
if (message.isMimeTypeSpecified()) {
throw new BuildException(
"The mime type can only be specified in one location");
}
message.setMimeType(messageMimeType);
}
// set the character set if not done already (and required)
if (charset != null) {
if (message.getCharset() != null) {
throw new BuildException(
"The charset can only be specified in one location");
}
message.setCharset(charset);
}
message.setInputEncoding(messageFileInputEncoding);
// identify which files should be attached
Vector<File> files = new Vector<>();
if (attachments != null) {
for (Resource r : attachments) {
files.add(r.as(FileProvider.class).getFile());
}
}
// let the user know what's going to happen
log("Sending email: " + subject, Project.MSG_INFO);
log("From " + from, Project.MSG_VERBOSE);
log("ReplyTo " + replyToList, Project.MSG_VERBOSE);
log("To " + toList, Project.MSG_VERBOSE);
log("Cc " + ccList, Project.MSG_VERBOSE);
log("Bcc " + bccList, Project.MSG_VERBOSE);
// pass the params to the mailer
mailer.setHost(host);
if (port != null) {
mailer.setPort(port.intValue());
mailer.setPortExplicitlySpecified(true);
} else {
mailer.setPort(SMTP_PORT);
mailer.setPortExplicitlySpecified(false);
}
mailer.setUser(user);
mailer.setPassword(password);
mailer.setSSL(ssl);
mailer.setEnableStartTLS(starttls);
mailer.setMessage(message);
mailer.setFrom(from);
mailer.setReplyToList(replyToList);
mailer.setToList(toList);
mailer.setCcList(ccList);
mailer.setBccList(bccList);
mailer.setFiles(files);
mailer.setSubject(subject);
mailer.setTask(this);
mailer.setIncludeFileNames(includeFileNames);
mailer.setHeaders(headers);
mailer.setIgnoreInvalidRecipients(ignoreInvalidRecipients);
// send the email
mailer.send();
// let the user know what happened
int count = files.size();
log("Sent email with " + count + " attachment"
+ (count == 1 ? "" : "s"), Project.MSG_INFO);
} catch (BuildException e) {
logBuildException("Failed to send email: ", e);
if (failOnError) {
throw e;
}
} catch (Exception e) {
log("Failed to send email: " + e.getMessage(), Project.MSG_WARN);
if (failOnError) {
throw new BuildException(e);
}
} finally {
message = savedMessage;
}
}
private void logBuildException(String reason, BuildException e) {
Throwable t = e.getCause() == null ? e : e.getCause();
log(reason + t.getMessage(), Project.MSG_WARN);
}
/**
* Sets the character set of mail message.
* Will be ignored if mimeType contains ....; Charset=... substring or
* encoding is not <code>mime</code>.
* @param charset the character encoding to use.
* @since Ant 1.6
*/
public void setCharset(String charset) {
this.charset = charset;
}
/**
* Returns the character set of mail message.
*
* @return Charset of mail message.
* @since Ant 1.6
*/
public String getCharset() {
return charset;
}
/**
* Sets the encoding to expect when reading the message from a file.
* <p>Will be ignored if the message has been specified inline.</p>
* @param encoding the name of the charset used
* @since Ant 1.9.4
*/
public void setMessageFileInputEncoding(String encoding) {
messageFileInputEncoding = encoding;
}
}