private void rePart(Part part) throws Exception {
if (part.getDisposition() != null) {
String strFileNmae =
MimeUtility.decodeText(part.getFileName()); // MimeUtility.decodeText解决附件名乱码问题
System.out.println("发现附件: " + MimeUtility.decodeText(part.getFileName()));
System.out.println("内容类型: " + MimeUtility.decodeText(part.getContentType()));
System.out.println("附件内容:" + part.getContent());
InputStream in = part.getInputStream(); // 打开附件的输入流
// 读取附件字节并存储到文件中
java.io.FileOutputStream out = new FileOutputStream(strFileNmae);
int data;
while ((data = in.read()) != -1) {
out.write(data);
}
in.close();
out.close();
} else {
if (part.getContentType().startsWith("text/plain")) {
System.out.println("文本内容：" + part.getContent());
} else {
// System.out.println("HTML内容：" + part.getContent());
}
}
}
public void saveEmailFiles(HttpServletRequest request, HttpServletResponse response, Part part)
throws Exception {
String fileName = "";
if (part.isMimeType("multipart/*")) {
Multipart mp = (Multipart) part.getContent();
for (int i = 0; i < mp.getCount(); i++) {
BodyPart mpart = mp.getBodyPart(i);
String disposition = mpart.getDisposition();
if ((disposition != null)
&& ((disposition.equals(Part.ATTACHMENT)) || (disposition.equals(Part.INLINE)))) {
fileName = mpart.getFileName();
if (fileName != null) {
if (fileName.toLowerCase().indexOf("gb2312") != -1
|| fileName.toLowerCase().indexOf("gbk") != -1) {
fileName = MimeUtility.decodeText(fileName);
}
if (request.getHeader("User-Agent").contains("Firefox")) {
response.addHeader("content-disposition", "attachment;filename=" + fileName);
} else if (request.getHeader("User-Agent").contains("MSIE")) {
response.addHeader(
"content-disposition",
"attachment;filename=" + java.net.URLEncoder.encode(fileName, "UTF-8"));
}
System.out.println("saveFile1");
saveFile(response, fileName, mpart.getInputStream());
}
} else if (mpart.isMimeType("multipart/*")) {
saveEmailFiles(request, response, mpart);
} else {
fileName = mpart.getFileName();
if (fileName != null) {
if (fileName.toLowerCase().indexOf("gb2312") != -1
|| fileName.toLowerCase().indexOf("gbk") != -1) {
fileName = MimeUtility.decodeText(fileName);
}
if (request.getHeader("User-Agent").contains("Firefox")) {
response.addHeader("content-disposition", "attachment;filename=" + fileName);
} else if (request.getHeader("User-Agent").contains("MSIE")) {
response.addHeader(
"content-disposition",
"attachment;filename=" + java.net.URLEncoder.encode(fileName, "UTF-8"));
}
System.out.println("saveFile2");
saveFile(response, fileName, mpart.getInputStream());
}
}
}
} else if (part.isMimeType("message/rfc822")) {
saveEmailFiles(request, response, (Part) part.getContent());
}
}
/**
* Updates the content of the table.
*
* <p>This method will be called by an observable element.
*
* <ul>
* <li>If the observable is a {@link MailSaver} object, a new row will be added to the table,
* and the {@link UIModel} will be updated;
* <li>If the observable is a {@link ClearAllButton} object, all the cells of the table will be
* removed, and the {@link UIModel} will be updated.
* </ul>
*
* @param o the observable element which will notify this class.
* @param arg optional parameters (an {@code EmailModel} object, for the case of a {@code
* MailSaver} observable) containing all the information about the email.
*/
@Override
public void update(Observable o, Object arg) {
if (o instanceof MailSaver) {
EmailModel email = (EmailModel) arg;
String subject;
try {
subject = MimeUtility.decodeText(email.getSubject());
} catch (UnsupportedEncodingException e) {
LOGGER.error("", e);
subject = email.getSubject();
}
model.addRow(
new Object[] {
dateFormat.format(email.getReceivedDate()), email.getFrom(), email.getTo(), subject
});
UIModel.INSTANCE.getListMailsMap().put(nbElements++, email.getFilePath());
} else if (o instanceof ClearAllButton) {
// Delete information from the map
UIModel.INSTANCE.getListMailsMap().clear();
// Remove elements from the list
try {
while (nbElements > 0) {
model.removeRow(--nbElements);
}
} catch (ArrayIndexOutOfBoundsException e) {
LOGGER.error("", e);
}
}
}
/**
* 文本解码
*
* @param encodeText 解码MimeUtility.encodeText(String text)方法编码后的文本
* @return 解码后的文本
* @throws UnsupportedEncodingException
*/
public static String decodeText(String encodeText) throws UnsupportedEncodingException {
if (encodeText == null || "".equals(encodeText)) {
return "";
} else {
return MimeUtility.decodeText(encodeText);
}
}
private Object getHeader(MimeMessage message, String name)
throws MessagingException, IOException {
String[] header = message.getHeader(BlogRipper + name);
if (header == null || header.length == 0) {
header = message.getHeader(name);
} else {
log("using " + BlogRipper + name);
}
if (header == null || header.length == 0) {
return null;
}
if (DateProperty.equals(name)) {
SimpleDateFormat df = new SimpleDateFormat(RFC1123Format, Locale.US);
try {
return df.parse(header[0]);
} catch (ParseException ex) {
throw new IOException(ex);
}
}
if ("Sender".equals(name)) {
String email = header[0];
int i1 = email.indexOf('<');
int i2 = email.indexOf('>');
if (i1 != -1 && i2 != -1) {
email = email.substring(i1 + 1, i2);
}
return new Email(email);
}
return MimeUtility.decodeText(header[0]);
}
/** @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response) */
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("application/x-download");
String userId = request.getParameter("id");
int subjectId = Integer.parseInt(request.getParameter("subjectId"));
int bodynum = Integer.parseInt(request.getParameter("bodynum"));
String filename = request.getParameter("filename");
ReceiveMail receiveMail = new ReceiveMail();
User user = new User(userId);
try {
String newFilename = null;
if (filename.startsWith("=?")) {
newFilename =
new Date().getTime()
+ MimeUtility.decodeText(filename)
.substring(MimeUtility.decodeText(filename).lastIndexOf("."));
} else {
newFilename = filename;
}
Message message = receiveMail.getOneMail(user, subjectId);
WebMail webMail = MimeMailUtil.parse(message);
response.setHeader("Content-Disposition", "attachment;filename=" + newFilename);
MimeBodyPart bodypart = webMail.getAttachments().get(bodynum);
OutputStream output = response.getOutputStream();
InputStream input = bodypart.getInputStream();
byte[] b = new byte[1024];
int i = 0;
while ((i = input.read(b)) > 0) {
output.write(b, 0, i);
}
input.close();
output.flush();
output.close();
} catch (Exception e) {
request.setAttribute("errorInfo", e.getMessage());
request.getRequestDispatcher("error.jsp").forward(request, response);
}
}
/**
* 字串解码
*
* @param text
* @return
* @throws java.io.UnsupportedEncodingException
*/
protected static String decodeText(String text) throws UnsupportedEncodingException {
if (text == null) return null;
if (text.startsWith("=?GB") || text.startsWith("=?gb") || text.startsWith("=?UTF")) {
text = MimeUtility.decodeText(text);
} else {
text = new String(text.getBytes("ISO8859_1"), "GBK");
}
return text;
}
// 读取邮件内容
@SuppressWarnings({"rawtypes", "unchecked"})
public Map readMail(String id) throws Exception {
Map map = new HashMap();
// 找到目标邮件
Message readmsg = findMail(msg, id);
// 读取邮件标题
map.put("subject", readmsg.getSubject());
// 读取发件人
map.put("sender", MimeUtility.decodeText(readmsg.getFrom()[0].toString()));
map.put("attach", "");
// 取得邮件内容
if (readmsg.isMimeType("text/*")) {
map.put("content", readmsg.getContent().toString());
} else {
System.out.println("this is not a text mail");
Multipart mp = (Multipart) readmsg.getContent();
if (mp == null) {
System.out.println("the content is null");
} else System.out.println("--------------------------multipart:" + mp.toString());
BodyPart part = null;
String disp = null;
StringBuffer result = new StringBuffer();
// 遍历每个Miltipart对象
for (int j = 0; j < mp.getCount(); j++) {
part = mp.getBodyPart(j);
disp = part.getDisposition();
// 如果有附件
if (disp != null && (disp.equals(Part.ATTACHMENT) || disp.equals(Part.INLINE))) {
// 取得附件文件名
String filename = MimeUtility.decodeText(part.getFileName()); // 解决中文附件名的问题
map.put("attach", filename);
// 下载附件
InputStream in = part.getInputStream(); // 附件输入流
if (attachFile.isDownload(filename)) attachFile.choicePath(filename, in); // // 下载附件
} else {
// 显示复杂邮件正文内容
result.append(getPart(part, j, 1));
}
}
map.put("content", result.toString());
}
return map;
}
public pl.dudzin.model.Message extract(File source) throws Exception {
FileInputStream fis = null;
StringBuffer txtBody = new StringBuffer();
StringBuffer htmlBody = new StringBuffer();
;
try {
fis = new FileInputStream(source);
Message mimeMsg = new Message(fis);
if (mimeMsg.isMultipart()) {
Multipart multipart = (Multipart) mimeMsg.getBody();
parseBodyParts(multipart, txtBody, htmlBody);
} else {
String text = getTxtPart(mimeMsg);
txtBody.append(text);
}
String content = MimeUtility.decodeText(html2text(htmlBody.toString()));
if (StringUtils.isBlank(content)) {
throw new Exception("For message : " + source.getName() + " content of email is empty!");
}
return new pl.dudzin.model.Message(
MimeUtility.decodeText(mimeMsg.getSubject()), content, mimeMsg.getDate());
} catch (IOException ex) {
} finally {
if (fis != null) {
try {
fis.close();
} catch (IOException ex) {
ex.printStackTrace();
}
}
}
return null;
}
// 取得邮件列表的信息
@SuppressWarnings({"rawtypes", "unchecked"})
public List getMailInfo(Message[] msg) throws Exception {
List result = new ArrayList();
Map map = null;
Multipart mp = null;
BodyPart part = null;
String disp = null;
SimpleDateFormat fmt = new SimpleDateFormat("yyyy年MM月dd日 hh:mm-ss");
Enumeration enumMail = null;
// 取出每个邮件的信息
for (int i = msg.length - 1; i >= 0; i--) {
if (!msg[i].getFolder().isOpen()) // 判断是否open
msg[i].getFolder().open(Folder.READ_WRITE);
map = new HashMap();
// 读取邮件ID
enumMail = msg[i].getAllHeaders();
Header h = null;
while (enumMail.hasMoreElements()) {
h = (Header) enumMail.nextElement();
if (h.getName().equals("Message-ID") || h.getName().equals("Message-Id")) {
map.put("ID", h.getValue());
}
}
// 读取邮件标题
map.put("subject", msg[i].getSubject());
// 读取发件人
map.put("sender", MimeUtility.decodeText(msg[i].getFrom()[0].toString()));
// 读取邮件发送日期
map.put("senddate", fmt.format(msg[i].getSentDate()));
// 读取邮件大小
map.put("size", new Integer(msg[i].getSize()));
map.put("hasAttach", " ");
// 判断是否有附件
if (msg[i].isMimeType("multipart/*")) {
mp = (Multipart) msg[i].getContent();
// 遍历每个Miltipart对象
for (int j = 0; j < mp.getCount(); j++) {
part = mp.getBodyPart(j);
disp = part.getDisposition();
// 如果有附件
if (disp != null && (disp.equals(Part.ATTACHMENT) || disp.equals(Part.INLINE))) {
// 设置有附件的特征值
map.put("hasAttach", "√");
}
}
}
result.add(map);
}
return result;
}
/**
* <b>使用IMAP协议接收邮件</b><br>
*
* <p>POP3和IMAP协议的区别: <b>POP3</b>协议允许电子邮件客户端下载服务器上的邮件,但是在客户端的操作(如移动邮件、标记已读等)，不会反馈到服务器上，<br>
* 比如通过客户端收取了邮箱中的3封邮件并移动到其它文件夹，邮箱服务器上的这些邮件是没有同时被移动的。<br>
*
* <p><b>IMAP</b>协议提供webmail与电子邮件客户端之间的双向通信，客户端的操作都会同步反应到服务器上，对邮件进行的操作，服务
* 上的邮件也会做相应的动作。比如在客户端收取了邮箱中的3封邮件，并将其中一封标记为已读，将另外两封标记为删除，这些操作会 即时反馈到服务器上。
*
* <p>两种协议相比，IMAP 整体上为用户带来更为便捷和可靠的体验。POP3更易丢失邮件或多次下载相同的邮件，但IMAP通过邮件客户端
* 与webmail之间的双向同步功能很好地避免了这些问题。
*/
public static void main(String[] args) throws Exception {
// 准备连接服务器的会话信息
Properties props = new Properties();
props.setProperty("mail.store.protocol", "imap");
props.setProperty("mail.imap.host", "imap.qq.com");
props.setProperty("mail.imap.port", "143");
// 创建Session实例对象
Session session = Session.getInstance(props);
// 创建IMAP协议的Store对象
Store store = session.getStore("imap");
// 连接邮件服务器
store.connect("*****@*****.**", "asdasd");
// 获得收件箱
Folder folder = store.getFolder("INBOX");
// 以读写模式打开收件箱
folder.open(Folder.READ_WRITE);
// 获得收件箱的邮件列表
Message[] messages = folder.getMessages();
// 打印不同状态的邮件数量
System.out.println("收件箱中共" + messages.length + "封邮件!");
System.out.println("收件箱中共" + folder.getUnreadMessageCount() + "封未读邮件!");
System.out.println("收件箱中共" + folder.getNewMessageCount() + "封新邮件!");
System.out.println("收件箱中共" + folder.getDeletedMessageCount() + "封已删除邮件!");
System.out.println("------------------------开始解析邮件----------------------------------");
// 解析邮件
for (Message message : messages) {
IMAPMessage msg = (IMAPMessage) message;
String subject = MimeUtility.decodeText(msg.getSubject());
System.out.println("[" + subject + "]未读，是否需要阅读此邮件（yes/no）？");
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
String answer = reader.readLine();
if ("yes".equalsIgnoreCase(answer)) {
Pop3ReceiveMailUtil.parseMessage(msg); // 解析邮件
// 第二个参数如果设置为true，则将修改反馈给服务器。false则不反馈给服务器
msg.setFlag(Flags.Flag.SEEN, true); // 设置已读标志
}
}
// 关闭资源
folder.close(false);
store.close();
}
private static Attachment saveAttachment(Part partToAttach, Resource container)
throws MessagingException, IOException, NoSuchAlgorithmException {
Attachment attach = new Attachment();
String fileName = MimeUtility.decodeText(partToAttach.getFileName());
attach.store(partToAttach.getInputStream(), fileName, container);
if (!attach.mimeType.equalsIgnoreCase(partToAttach.getContentType())) {
Logger.info(
"The email says the content type is '"
+ partToAttach.getContentType()
+ "' but Yobi determines it is '"
+ attach.mimeType
+ "'");
}
return attach;
}
/**
* Determines the name of the data source if it is not already set.
*
* @param part the mail part
* @param dataSource the data source
* @return the name of the data source or {@code null} if no name can be determined
* @throws MessagingException accessing the part failed
* @throws UnsupportedEncodingException decoding the text failed
*/
protected String getDataSourceName(final Part part, final DataSource dataSource)
throws MessagingException, UnsupportedEncodingException {
String result = dataSource.getName();
if (result == null || result.length() == 0) {
result = part.getFileName();
}
if (result != null && result.length() > 0) {
result = MimeUtility.decodeText(result);
} else {
result = null;
}
return result;
}
/**
* For receiving an email, the sender, receiver, reply-to and subject may be messy code. The
* default encoding of HTTP is ISO8859-1, In this situation, use MimeUtility.decodeTex() to
* convert these information to GBK encoding.
*
* @param res The String to be decoded.
* @return A decoded String.
*/
private static String mimeDecodeString(String res) {
if (res != null) {
String from = res.trim();
try {
if (from.startsWith("=?GB")
|| from.startsWith("=?gb")
|| from.startsWith("=?UTF")
|| from.startsWith("=?utf")) {
from = MimeUtility.decodeText(from);
}
} catch (Exception e) {
LOGGER.error("Decode string error. Origin string is: " + res, e);
}
return from;
}
return null;
}
private String getAttachmentKey(BodyPart bp)
throws MessagingException, UnsupportedEncodingException {
// use the filename as key for the map
String key = bp.getFileName();
// if there is no file name we use the Content-ID header
if (key == null && bp instanceof MimeBodyPart) {
key = ((MimeBodyPart) bp).getContentID();
if (key != null && key.startsWith("<") && key.length() > 2) {
// strip <>
key = key.substring(1, key.length() - 1);
}
}
// or a generated content id
if (key == null) {
key = UUID.randomUUID().toString() + "@camel.apache.org";
}
return MimeUtility.decodeText(key);
}
/**
* Save attachment.
*
* @param part
* @param attachList
* @throws MessagingException
* @throws IOException
*/
protected void saveAttachment(Part part, List<Attachment> attachList)
throws MessagingException, IOException {
// generate a new file name with unique UUID.
String fileName = part.getFileName();
fileName = MimeUtility.decodeText(fileName);
Attachment attachment = new Attachment();
attachment.setFileName(fileName);
UUID uuid = UUID.randomUUID();
String prefix = fileName.substring(0, fileName.lastIndexOf(".") + 1);
String suffix = fileName.substring(fileName.lastIndexOf(".") + 1);
String tempDir = System.getProperty("java.io.tmpdir");
String filePath = tempDir + prefix + uuid + "." + suffix;
int fileSize = part.getSize();
attachment.setFilePath(filePath);
attachment.setFileType(suffix);
attachment.setFileSize(fileSize);
attachList.add(attachment);
this.saveFile(filePath, part.getInputStream());
}
private AttachedFileValue createAttachedFileValue(Date sentDate, BodyPart part)
throws MessagingException, IOException {
// Create attachment
ValueBuilder<AttachedFileValue> attachmentBuilder =
module.valueBuilderFactory().newValueBuilder(AttachedFileValue.class);
AttachedFileValue prototype = attachmentBuilder.prototype();
// check contentType and fetch just the first part if necessary
String contentType = "";
if (part.getContentType().indexOf(';') == -1) contentType = part.getContentType();
else contentType = part.getContentType().substring(0, part.getContentType().indexOf(';'));
prototype.mimeType().set(contentType);
prototype.modificationDate().set(sentDate);
String fileName = part.getFileName();
prototype.name().set(fileName == null ? "Nofilename" : MimeUtility.decodeText(fileName));
prototype.size().set((long) part.getSize());
InputStream inputStream = part.getInputStream();
String id = attachmentStore.storeAttachment(Inputs.byteBuffer(inputStream, 4096));
String uri = "store:" + id;
prototype.uri().set(uri);
return attachmentBuilder.newInstance();
}
@Test
public void testTextMailMessageSpecialCharacters() throws MessagingException, IOException {
String uuid = java.util.UUID.randomUUID().toString();
String subject = "Special Char ü from ${version} Mail - " + uuid;
String version = "Seam 3";
String mergedSubject = "Special Char ü from " + version + " Mail - " + uuid;
String specialTextBody = "This is a Text Body with a special character - ü - ${version}";
String mergedSpecialTextBody = "This is a Text Body with a special character - ü - " + version;
String messageId = "*****@*****.**";
Wiser wiser = new Wiser(mailConfig.getServerPort());
wiser.setHostname(mailConfig.getServerHost());
try {
wiser.start();
person.setName(toName);
person.setEmail(toAddress);
mailMessage
.get()
.from(MailTestUtil.getAddressHeader(fromName, fromAddress))
.replyTo(replyToAddress)
.to(MailTestUtil.getAddressHeader(toName, toAddress))
.subject(new FreeMarkerTemplate(subject))
.bodyText(new FreeMarkerTemplate(specialTextBody))
.importance(MessagePriority.HIGH)
.messageId(messageId)
.put("version", version)
.send(session.get());
} finally {
stop(wiser);
}
Assert.assertTrue(
"Didn't receive the expected amount of messages. Expected 1 got "
+ wiser.getMessages().size(),
wiser.getMessages().size() == 1);
MimeMessage mess = wiser.getMessages().get(0).getMimeMessage();
System.out.println(subject);
System.out.println(MimeUtility.decodeText(MimeUtility.unfold(mess.getHeader("Subject", null))));
System.out.println(mergedSubject);
Assert.assertEquals(
"Subject has been modified",
mergedSubject,
MimeUtility.decodeText(MimeUtility.unfold(mess.getHeader("Subject", null))));
MimeMultipart mixed = (MimeMultipart) mess.getContent();
BodyPart text = mixed.getBodyPart(0);
Assert.assertTrue(mixed.getContentType().startsWith("multipart/mixed"));
Assert.assertEquals(1, mixed.getCount());
Assert.assertTrue(text.getContentType().startsWith("text/plain; charset=UTF-8"));
Assert.assertEquals(
mergedSpecialTextBody, MimeUtility.decodeText(MailTestUtil.getStringContent(text)));
}