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com.xmlcalabash.extensions.SendMail Maven / Gradle / Ivy
package com.xmlcalabash.extensions;
import com.xmlcalabash.core.XProcConstants;
import com.xmlcalabash.core.XProcException;
import com.xmlcalabash.core.XProcRuntime;
import com.xmlcalabash.io.ReadablePipe;
import com.xmlcalabash.io.WritablePipe;
import com.xmlcalabash.library.DefaultStep;
import com.xmlcalabash.runtime.XAtomicStep;
import com.xmlcalabash.util.NodeToBytes;
import com.xmlcalabash.util.S9apiUtils;
import com.xmlcalabash.util.TreeWriter;
import net.sf.saxon.s9api.Axis;
import net.sf.saxon.s9api.QName;
import net.sf.saxon.s9api.SaxonApiException;
import net.sf.saxon.s9api.Serializer;
import net.sf.saxon.s9api.XdmNode;
import net.sf.saxon.s9api.XdmNodeKind;
import net.sf.saxon.s9api.XdmSequenceIterator;
import javax.activation.DataHandler;
import javax.activation.DataSource;
import javax.mail.Authenticator;
import javax.mail.BodyPart;
import javax.mail.MessagingException;
import javax.mail.Part;
import javax.mail.PasswordAuthentication;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.AddressException;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeBodyPart;
import javax.mail.internet.MimeMessage;
import javax.mail.Message;
import javax.mail.internet.MimeMultipart;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.UnsupportedEncodingException;
import java.util.Properties;
import java.util.Vector;
/**
* Created by IntelliJ IDEA.
* User: ndw
* Date: 11/15/11
* Time: 7:14 AM
* To change this template use File | Settings | File Templates.
*/
public class SendMail extends DefaultStep {
public final static String NS_EMAIL = "URN:ietf:params:email-xml:";
public final static String NS_RFC822 = "URN:ietf:params:rfc822:";
public static final QName _content_type = new QName("content-type");
public final static QName em_Message = new QName("em", NS_EMAIL, "Message");
public final static QName em_Address = new QName("em", NS_EMAIL, "Address");
public final static QName em_name = new QName("em", NS_EMAIL, "name");
public final static QName em_adrs = new QName("em", NS_EMAIL, "adrs");
public final static QName em_content = new QName("em", NS_EMAIL, "content");
private ReadablePipe source = null;
private WritablePipe result = null;
/**
* Creates a new instance of Identity
*/
public SendMail(XProcRuntime runtime, XAtomicStep step) {
super(runtime,step);
}
public void setInput(String port, ReadablePipe pipe) {
source = pipe;
}
public void setOutput(String port, WritablePipe pipe) {
result = pipe;
}
public void reset() {
source.resetReader();
result.resetWriter();
}
public void run() throws SaxonApiException {
super.run();
// Let's see if we like the message
XdmNode email = S9apiUtils.getDocumentElement(source.read());
if (!email.getNodeName().equals(em_Message)) {
throw new XProcException("cx:send-mail source is not an em:Message");
}
Properties props = new Properties();
if (runtime.getSendmailHost() != null) {
props.put("mail.smtp.host", runtime.getSendmailHost());
}
if (runtime.getSendmailPort() != null) {
props.put("mail.smtp.port", runtime.getSendmailPort());
}
if (runtime.getSendmailUsername() != null) {
props.put("mail.smtp.auth", "true");
}
MimeMultipart mp = null;
try {
Authenticator auth = new SMTPAuthenticator();
Session session = Session.getDefaultInstance(props, auth);
session.setDebug(runtime.getDebug());
MimeMessage msg = new MimeMessage(session);
// Now parse the message...
XdmSequenceIterator iter = email.axisIterator(Axis.CHILD);
while (iter.hasNext()) {
XdmNode field = (XdmNode) iter.next();
if (!field.getNodeKind().equals(XdmNodeKind.ELEMENT)) {
continue;
}
if (NS_RFC822.equals(field.getNodeName().getNamespaceURI())) {
String name = field.getNodeName().getLocalName();
if ("to".equals(name)) {
InternetAddress[] addrs = parseAddresses(field);
msg.setRecipients(Message.RecipientType.TO, addrs);
} else if ("from".equals(name)) {
InternetAddress from = parseAddress(field);
msg.setFrom(from);
} else if ("sender".equals(name)) {
InternetAddress from = parseAddress(field);
msg.setSender(from);
} else if ("subject".equals(name)) {
msg.setSubject(field.getStringValue());
} else if ("cc".equals(name)) {
InternetAddress[] addrs = parseAddresses(field);
msg.setRecipients(Message.RecipientType.CC, addrs);
} else if ("bcc".equals(name)) {
InternetAddress[] addrs = parseAddresses(field);
msg.setRecipients(Message.RecipientType.BCC, addrs);
} else {
throw new XProcException("Unexpected RFC 822 element in email message: " + name);
}
} else if (em_content.equals(field.getNodeName())) {
// What kind of content is this?
boolean text = false;
boolean html = false;
Vector nodes = new Vector();
XdmSequenceIterator citer = field.axisIterator(Axis.CHILD);
while (citer.hasNext()) {
XdmNode child = (XdmNode) citer.next();
nodes.add(child);
if (!html && !text) {
if (child.getNodeKind().equals(XdmNodeKind.ELEMENT)) {
html = "http://www.w3.org/1999/xhtml".equals(child.getNodeName().getNamespaceURI());
} else if (child.getNodeKind().equals(XdmNodeKind.TEXT)) {
text = !"".equals(child.getStringValue().trim());
}
}
}
String content = null;
String contentType = null;
if (html) {
ByteArrayOutputStream stream = new ByteArrayOutputStream();
Serializer serializer = new Serializer();
serializer.setOutputProperty(Serializer.Property.ENCODING, "utf-8");
serializer.setOutputProperty(Serializer.Property.INDENT, "no");
serializer.setOutputProperty(Serializer.Property.OMIT_XML_DECLARATION, "yes");
serializer.setOutputProperty(Serializer.Property.METHOD, "html");
serializer.setOutputStream(stream);
S9apiUtils.serialize(runtime, nodes, serializer);
content = stream.toString();
contentType = "text/html; charset=utf-8";
} else {
content = field.getStringValue();
contentType = "text/plain; charset=utf-8";
}
if (source.moreDocuments()) {
mp = new MimeMultipart();
BodyPart bodyPart = new MimeBodyPart();
DataSource source = new PartDataSource(content.getBytes("utf-8"), contentType, "irrelevant");
bodyPart.setDataHandler(new DataHandler(source));
bodyPart.setDisposition(Part.INLINE);
mp.addBodyPart(bodyPart);
} else {
msg.setContent(content, contentType);
}
} else {
throw new XProcException("Unexpected element in email message: " + field.getNodeName());
}
}
while (source.moreDocuments()) {
XdmNode xmlpart = S9apiUtils.getDocumentElement(source.read());
String contentType = xmlpart.getAttributeValue(_content_type);
String filename = xmlpart.getBaseURI().getPath();
int pos = filename.lastIndexOf("/");
if (pos >= 0) {
filename = filename.substring(pos+1);
}
if (contentType == null) { contentType = "application/octet-stream"; }
BodyPart bodyPart = new MimeBodyPart();
DataSource source = new PartDataSource(NodeToBytes.convert(runtime, xmlpart, true), contentType, "irrelevant");
bodyPart.setDataHandler(new DataHandler(source));
bodyPart.setFileName(filename);
bodyPart.setDisposition(Part.ATTACHMENT);
mp.addBodyPart(bodyPart);
}
msg.setContent(mp);
Transport.send(msg);
} catch (AddressException ex) {
throw new XProcException(ex);
} catch (MessagingException ex) {
throw new XProcException(ex);
} catch (UnsupportedEncodingException ex) {
// I don't think this can ever actually happen
throw new XProcException(ex);
}
TreeWriter tree = new TreeWriter(runtime);
tree.startDocument(step.getNode().getBaseURI());
tree.addStartElement(XProcConstants.c_result);
tree.startContent();
tree.addText("true");
tree.addEndElement();
tree.endDocument();
result.write(tree.getResult());
}
private InternetAddress parseAddress(XdmNode field) {
InternetAddress email = null;
XdmSequenceIterator iter = field.axisIterator(Axis.CHILD);
while (iter.hasNext()) {
XdmNode addr = (XdmNode) iter.next();
if (!addr.getNodeKind().equals(XdmNodeKind.ELEMENT)) {
continue;
}
if (em_Address.equals(addr.getNodeName())) {
if (email == null) {
email = parseEmail(addr);
} else {
throw new XProcException("Expected only a single email address in " + field.getNodeName());
}
} else {
throw new XProcException("Only is supported in " + field.getNodeName());
}
}
return email;
}
private InternetAddress[] parseAddresses(XdmNode field) {
Vector emails = new Vector ();
XdmSequenceIterator iter = field.axisIterator(Axis.CHILD);
while (iter.hasNext()) {
XdmNode addr = (XdmNode) iter.next();
if (!addr.getNodeKind().equals(XdmNodeKind.ELEMENT)) {
continue;
}
if (em_Address.equals(addr.getNodeName())) {
emails.add(parseEmail(addr));
} else {
throw new XProcException("Only is supported in " + field.getNodeName());
}
}
InternetAddress[] addrs = new InternetAddress[emails.size()];
for (int pos = 0; pos < emails.size(); pos++) {
addrs[pos] = emails.get(pos);
}
return addrs;
}
private InternetAddress parseEmail(XdmNode address) {
String email_name = null;
String email_addr = null;
XdmSequenceIterator iter = address.axisIterator(Axis.CHILD);
while (iter.hasNext()) {
XdmNode addr = (XdmNode) iter.next();
if (!addr.getNodeKind().equals(XdmNodeKind.ELEMENT)) {
continue;
}
if (em_name.equals(addr.getNodeName())) {
email_name = addr.getStringValue();
} else if (em_adrs.equals(addr.getNodeName())) {
email_addr = addr.getStringValue();
} else {
throw new XProcException("Only and are supported in " + address.getNodeName());
}
}
if (email_addr == null) {
throw new XProcException("Email address specified without an ");
}
InternetAddress email = null;
try {
if (email_name == null) {
email = new InternetAddress(email_addr);
} else {
email = new InternetAddress(email_addr, email_name);
}
} catch (UnsupportedEncodingException ex) {
throw new XProcException(ex);
} catch (AddressException ex) {
throw new XProcException(ex);
}
return email;
}
private class SMTPAuthenticator extends javax.mail.Authenticator {
public PasswordAuthentication getPasswordAuthentication() {
return new PasswordAuthentication(runtime.getSendmailUsername(), runtime.getSendmailPassword());
}
}
private class PartDataSource implements DataSource {
private byte[] data = null;
private String contentType = null;
private String name = null;
public PartDataSource(byte[] data, String contentType, String name) {
this.data = data;
this.contentType = contentType;
this.name = name;
}
public InputStream getInputStream() throws IOException {
return new ByteArrayInputStream(data);
}
public OutputStream getOutputStream() throws IOException {
throw new XProcException("Called getOutputStream() on PartDataSource for cx:send-mail???");
}
public String getContentType() {
return contentType;
}
public String getName() {
return name;
}
}
}
