+++ /dev/null
-/*
- * Copyright (c) 1997, 2018 Oracle and/or its affiliates. All rights reserved.
- *
- * This program and the accompanying materials are made available under the
- * terms of the Eclipse Public License v. 2.0, which is available at
- * http://www.eclipse.org/legal/epl-2.0.
- *
- * This Source Code may also be made available under the following Secondary
- * Licenses when the conditions for such availability set forth in the
- * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
- * version 2 with the GNU Classpath Exception, which is available at
- * https://www.gnu.org/software/classpath/license.html.
- *
- * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
- */
-
-package com.sun.mail.mbox;
-
-import java.io.*;
-import java.util.StringTokenizer;
-import java.util.Date;
-import java.text.SimpleDateFormat;
-import javax.activation.*;
-import javax.mail.*;
-import javax.mail.internet.*;
-import javax.mail.event.MessageChangedEvent;
-import com.sun.mail.util.LineInputStream;
-
-/**
- * This class represents an RFC822 style email message that resides in a file.
- *
- * @author Bill Shannon
- */
-
-public class MboxMessage extends MimeMessage {
-
- boolean writable = false;
- // original msg flags, used by MboxFolder to detect modification
- Flags origFlags;
- /*
- * A UNIX From line looks like:
- * From address Day Mon DD HH:MM:SS YYYY
- */
- String unix_from;
- InternetAddress unix_from_user;
- Date rcvDate;
- int lineCount = -1;
- private static OutputStream nullOutputStream = new OutputStream() {
- public void write(int b) { }
- public void write(byte[] b, int off, int len) { }
- };
-
- /**
- * Construct an MboxMessage from the InputStream.
- */
- public MboxMessage(Session session, InputStream is)
- throws MessagingException, IOException {
- super(session);
- BufferedInputStream bis;
- if (is instanceof BufferedInputStream)
- bis = (BufferedInputStream)is;
- else
- bis = new BufferedInputStream(is);
- LineInputStream dis = new LineInputStream(bis);
- bis.mark(1024);
- String line = dis.readLine();
- if (line != null && line.startsWith("From "))
- this.unix_from = line;
- else
- bis.reset();
- parse(bis);
- saved = true;
- }
-
- /**
- * Construct an MboxMessage using the given InternetHeaders object
- * and content from an InputStream.
- */
- public MboxMessage(MboxFolder folder, InternetHeaders hdrs, InputStream is,
- int msgno, String unix_from, boolean writable)
- throws MessagingException {
- super(folder, hdrs, null, msgno);
- setFlagsFromHeaders();
- origFlags = getFlags();
- this.unix_from = unix_from;
- this.writable = writable;
- this.contentStream = is;
- }
-
- /**
- * Returns the "From" attribute. The "From" attribute contains
- * the identity of the person(s) who wished this message to
- * be sent. <p>
- *
- * If our superclass doesn't have a value, we return the address
- * from the UNIX From line.
- *
- * @return array of Address objects
- * @exception MessagingException
- */
- public Address[] getFrom() throws MessagingException {
- Address[] ret = super.getFrom();
- if (ret == null) {
- InternetAddress ia = getUnixFrom();
- if (ia != null)
- ret = new InternetAddress[] { ia };
- }
- return ret;
- }
-
- /**
- * Returns the address from the UNIX "From" line.
- *
- * @return UNIX From address
- * @exception MessagingException
- */
- public synchronized InternetAddress getUnixFrom()
- throws MessagingException {
- if (unix_from_user == null && unix_from != null) {
- int i;
- // find the space after the address, before the date
- i = unix_from.indexOf(' ', 5);
- if (i > 5) {
- try {
- unix_from_user =
- new InternetAddress(unix_from.substring(5, i));
- } catch (AddressException e) {
- // ignore it
- }
- }
- }
- return unix_from_user != null ?
- (InternetAddress)unix_from_user.clone() : null;
- }
-
- private String getUnixFromLine() {
- if (unix_from != null)
- return unix_from;
- String from = "unknown";
- try {
- Address[] froma = getFrom();
- if (froma != null && froma.length > 0 &&
- froma[0] instanceof InternetAddress)
- from = ((InternetAddress)froma[0]).getAddress();
- } catch (MessagingException ex) { }
- Date d = null;
- try {
- d = getSentDate();
- } catch (MessagingException ex) {
- // ignore
- }
- if (d == null)
- d = new Date();
- // From shannon Mon Jun 10 12:06:52 2002
- SimpleDateFormat fmt = new SimpleDateFormat("EEE LLL dd HH:mm:ss yyyy");
- return "From " + from + " " + fmt.format(d);
- }
-
- /**
- * Get the date this message was received, from the UNIX From line.
- *
- * @return the date this message was received
- * @exception MessagingException
- */
- @SuppressWarnings("deprecation") // for Date constructor
- public Date getReceivedDate() throws MessagingException {
- if (rcvDate == null && unix_from != null) {
- int i;
- // find the space after the address, before the date
- i = unix_from.indexOf(' ', 5);
- if (i > 5) {
- try {
- rcvDate = new Date(unix_from.substring(i));
- } catch (IllegalArgumentException iae) {
- // ignore it
- }
- }
- }
- return rcvDate == null ? null : new Date(rcvDate.getTime());
- }
-
- /**
- * Return the number of lines for the content of this message.
- * Return -1 if this number cannot be determined. <p>
- *
- * Note that this number may not be an exact measure of the
- * content length and may or may not account for any transfer
- * encoding of the content. <p>
- *
- * This implementation returns -1.
- *
- * @return number of lines in the content.
- * @exception MessagingException
- */
- public int getLineCount() throws MessagingException {
- if (lineCount < 0 && isMimeType("text/plain")) {
- LineCounter lc = null;
- // writeTo will set the SEEN flag, remember the original state
- boolean seen = isSet(Flags.Flag.SEEN);
- try {
- lc = new LineCounter(nullOutputStream);
- getDataHandler().writeTo(lc);
- lineCount = lc.getLineCount();
- } catch (IOException ex) {
- // ignore it, can't happen
- } finally {
- try {
- if (lc != null)
- lc.close();
- } catch (IOException ex) {
- // can't happen
- }
- }
- if (!seen)
- setFlag(Flags.Flag.SEEN, false);
- }
- return lineCount;
- }
-
- /**
- * Set the specified flags on this message to the specified value.
- *
- * @param flags the flags to be set
- * @param set the value to be set
- */
- public void setFlags(Flags newFlags, boolean set)
- throws MessagingException {
- Flags oldFlags = (Flags)flags.clone();
- super.setFlags(newFlags, set);
- if (!flags.equals(oldFlags)) {
- setHeadersFromFlags(this);
- if (folder != null)
- ((MboxFolder)folder).notifyMessageChangedListeners(
- MessageChangedEvent.FLAGS_CHANGED, this);
- }
- }
-
- /**
- * Return the content type, mapping from SunV3 types to MIME types
- * as necessary.
- */
- public String getContentType() throws MessagingException {
- String ct = super.getContentType();
- if (ct.indexOf('/') < 0)
- ct = SunV3BodyPart.MimeV3Map.toMime(ct);
- return ct;
- }
-
- /**
- * Produce the raw bytes of the content. This method is used during
- * parsing, to create a DataHandler object for the content. Subclasses
- * that can provide a separate input stream for just the message
- * content might want to override this method. <p>
- *
- * This implementation just returns a ByteArrayInputStream constructed
- * out of the <code>content</code> byte array.
- *
- * @see #content
- */
- protected InputStream getContentStream() throws MessagingException {
- if (folder != null)
- ((MboxFolder)folder).checkOpen();
- if (isExpunged())
- throw new MessageRemovedException("mbox message expunged");
- if (!isSet(Flags.Flag.SEEN))
- setFlag(Flags.Flag.SEEN, true);
- return super.getContentStream();
- }
-
- /**
- * Return a DataHandler for this Message's content.
- * If this is a SunV3 multipart message, handle it specially.
- *
- * @exception MessagingException
- */
- public synchronized DataHandler getDataHandler()
- throws MessagingException {
- if (dh == null) {
- // XXX - Following is a kludge to avoid having to register
- // the "multipart/x-sun-attachment" data type with the JAF.
- String ct = getContentType();
- if (ct.equalsIgnoreCase("multipart/x-sun-attachment"))
- dh = new DataHandler(
- new SunV3Multipart(new MimePartDataSource(this)), ct);
- else
- return super.getDataHandler(); // will set "dh"
- }
- return dh;
- }
-
- // here only to allow package private access from MboxFolder
- protected void setMessageNumber(int msgno) {
- super.setMessageNumber(msgno);
- }
-
- // here to synchronize access to expunged field
- public synchronized boolean isExpunged() {
- return super.isExpunged();
- }
-
- // here to synchronize and to allow access from MboxFolder
- protected synchronized void setExpunged(boolean expunged) {
- super.setExpunged(expunged);
- }
-
- // XXX - We assume that only body parts that are part of a SunV3
- // multipart will use the SunV3 headers (X-Sun-Content-Length,
- // X-Sun-Content-Lines, X-Sun-Data-Type, X-Sun-Encoding-Info,
- // X-Sun-Data-Description, X-Sun-Data-Name) so we don't handle
- // them here.
-
- /**
- * Set the flags for this message based on the Status,
- * X-Status, and X-Dt-Delete-Time headers.
- *
- * SIMS 2.0:
- * "X-Status: DFAT", deleted, flagged, answered, draft.
- * Unset flags represented as "$".
- * User flags not supported.
- *
- * University of Washington IMAP server:
- * "X-Status: DFAT", deleted, flagged, answered, draft.
- * Unset flags not present.
- * "X-Keywords: userflag1 userflag2"
- */
- private synchronized void setFlagsFromHeaders() {
- flags = new Flags(Flags.Flag.RECENT);
- try {
- String s = getHeader("Status", null);
- if (s != null) {
- if (s.indexOf('R') >= 0)
- flags.add(Flags.Flag.SEEN);
- if (s.indexOf('O') >= 0)
- flags.remove(Flags.Flag.RECENT);
- }
- s = getHeader("X-Dt-Delete-Time", null); // set by dtmail
- if (s != null)
- flags.add(Flags.Flag.DELETED);
- s = getHeader("X-Status", null); // set by IMAP server
- if (s != null) {
- if (s.indexOf('D') >= 0)
- flags.add(Flags.Flag.DELETED);
- if (s.indexOf('F') >= 0)
- flags.add(Flags.Flag.FLAGGED);
- if (s.indexOf('A') >= 0)
- flags.add(Flags.Flag.ANSWERED);
- if (s.indexOf('T') >= 0)
- flags.add(Flags.Flag.DRAFT);
- }
- s = getHeader("X-Keywords", null); // set by IMAP server
- if (s != null) {
- StringTokenizer st = new StringTokenizer(s);
- while (st.hasMoreTokens())
- flags.add(st.nextToken());
- }
- } catch (MessagingException e) {
- // ignore it
- }
- }
-
- /**
- * Set the various header fields that represent the message flags.
- */
- static void setHeadersFromFlags(MimeMessage msg) {
- try {
- Flags flags = msg.getFlags();
- StringBuilder status = new StringBuilder();
- if (flags.contains(Flags.Flag.SEEN))
- status.append('R');
- if (!flags.contains(Flags.Flag.RECENT))
- status.append('O');
- if (status.length() > 0)
- msg.setHeader("Status", status.toString());
- else
- msg.removeHeader("Status");
-
- boolean sims = false;
- String s = msg.getHeader("X-Status", null);
- // is it a SIMS 2.0 format X-Status header?
- sims = s != null && s.length() == 4 && s.indexOf('$') >= 0;
- status.setLength(0);
- if (flags.contains(Flags.Flag.DELETED))
- status.append('D');
- else if (sims)
- status.append('$');
- if (flags.contains(Flags.Flag.FLAGGED))
- status.append('F');
- else if (sims)
- status.append('$');
- if (flags.contains(Flags.Flag.ANSWERED))
- status.append('A');
- else if (sims)
- status.append('$');
- if (flags.contains(Flags.Flag.DRAFT))
- status.append('T');
- else if (sims)
- status.append('$');
- if (status.length() > 0)
- msg.setHeader("X-Status", status.toString());
- else
- msg.removeHeader("X-Status");
-
- String[] userFlags = flags.getUserFlags();
- if (userFlags.length > 0) {
- status.setLength(0);
- for (int i = 0; i < userFlags.length; i++)
- status.append(userFlags[i]).append(' ');
- status.setLength(status.length() - 1); // smash trailing space
- msg.setHeader("X-Keywords", status.toString());
- }
- if (flags.contains(Flags.Flag.DELETED)) {
- s = msg.getHeader("X-Dt-Delete-Time", null);
- if (s == null)
- // XXX - should be time
- msg.setHeader("X-Dt-Delete-Time", "1");
- }
- } catch (MessagingException e) {
- // ignore it
- }
- }
-
- protected void updateHeaders() throws MessagingException {
- super.updateHeaders();
- setHeadersFromFlags(this);
- }
-
- /**
- * Save any changes made to this message.
- */
- public void saveChanges() throws MessagingException {
- if (folder != null)
- ((MboxFolder)folder).checkOpen();
- if (isExpunged())
- throw new MessageRemovedException("mbox message expunged");
- if (!writable)
- throw new MessagingException("Message is read-only");
-
- super.saveChanges();
-
- try {
- /*
- * Count the size of the body, in order to set the Content-Length
- * header. (Should we only do this to update an existing
- * Content-Length header?)
- * XXX - We could cache the content bytes here, for use later
- * in writeTo.
- */
- ContentLengthCounter cos = new ContentLengthCounter();
- OutputStream os = new NewlineOutputStream(cos);
- super.writeTo(os);
- os.flush();
- setHeader("Content-Length", String.valueOf(cos.getSize()));
- // setContentSize((int)cos.getSize());
- } catch (MessagingException e) {
- throw e;
- } catch (Exception e) {
- throw new MessagingException("unexpected exception " + e);
- }
- }
-
- /**
- * Expose modified flag to MboxFolder.
- */
- boolean isModified() {
- return modified;
- }
-
- /**
- * Put out a byte stream suitable for saving to a file.
- * XXX - ultimately implement "ignore headers" here?
- */
- public void writeToFile(OutputStream os) throws IOException {
- try {
- if (getHeader("Content-Length") == null) {
- /*
- * Count the size of the body, in order to set the
- * Content-Length header.
- */
- ContentLengthCounter cos = new ContentLengthCounter();
- OutputStream oos = new NewlineOutputStream(cos);
- super.writeTo(oos, null);
- oos.flush();
- setHeader("Content-Length", String.valueOf(cos.getSize()));
- // setContentSize((int)cos.getSize());
- }
-
- os = new NewlineOutputStream(os, true);
- PrintStream pos = new PrintStream(os, false, "iso-8859-1");
-
- pos.println(getUnixFromLine());
- super.writeTo(pos, null);
- pos.flush();
- } catch (MessagingException e) {
- throw new IOException("unexpected exception " + e);
- }
- }
-
- public void writeTo(OutputStream os, String[] ignoreList)
- throws IOException, MessagingException {
- // set the SEEN flag now, which will normally be set by
- // getContentStream, so it will show up in our headers
- if (!isSet(Flags.Flag.SEEN))
- setFlag(Flags.Flag.SEEN, true);
- super.writeTo(os, ignoreList);
- }
-
- /**
- * Interpose on superclass method to make sure folder is still open
- * and message hasn't been expunged.
- */
- public String[] getHeader(String name)
- throws MessagingException {
- if (folder != null)
- ((MboxFolder)folder).checkOpen();
- if (isExpunged())
- throw new MessageRemovedException("mbox message expunged");
- return super.getHeader(name);
- }
-
- /**
- * Interpose on superclass method to make sure folder is still open
- * and message hasn't been expunged.
- */
- public String getHeader(String name, String delimiter)
- throws MessagingException {
- if (folder != null)
- ((MboxFolder)folder).checkOpen();
- if (isExpunged())
- throw new MessageRemovedException("mbox message expunged");
- return super.getHeader(name, delimiter);
- }
-}
projects / gpl / argeo-slc.git / blobdiff