2010 lines
102 KiB
Java
2010 lines
102 KiB
Java
/*
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* DavMail POP/IMAP/SMTP/CalDav/LDAP Exchange Gateway
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* Copyright (C) 2009 Mickael Guessant
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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package davmail.imap;
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import com.sun.mail.imap.protocol.BASE64MailboxDecoder;
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import com.sun.mail.imap.protocol.BASE64MailboxEncoder;
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import davmail.AbstractConnection;
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import davmail.BundleMessage;
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import davmail.DavGateway;
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import davmail.Settings;
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import davmail.exception.DavMailException;
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import davmail.exception.HttpForbiddenException;
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import davmail.exception.HttpNotFoundException;
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import davmail.exception.InsufficientStorageException;
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import davmail.exchange.ExchangeSession;
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import davmail.exchange.ExchangeSessionFactory;
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import davmail.exchange.MessageLoadThread;
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import davmail.ui.tray.DavGatewayTray;
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import davmail.util.IOUtil;
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import davmail.util.StringUtil;
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import org.apache.commons.httpclient.HttpException;
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import org.apache.log4j.Logger;
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import javax.mail.MessagingException;
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import javax.mail.internet.*;
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import javax.mail.util.SharedByteArrayInputStream;
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import java.io.*;
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import java.net.Socket;
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import java.net.SocketException;
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import java.net.SocketTimeoutException;
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import java.text.ParseException;
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import java.text.SimpleDateFormat;
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import java.util.*;
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/**
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* Dav Gateway IMAP connection implementation.
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*/
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public class ImapConnection extends AbstractConnection {
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private static final Logger LOGGER = Logger.getLogger(ImapConnection.class);
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protected String baseMailboxPath;
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ExchangeSession.Folder currentFolder;
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class FolderLoadThread extends Thread {
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boolean isComplete = false;
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ExchangeSession.Folder folder;
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IOException exception;
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FolderLoadThread(String threadName, ExchangeSession.Folder folder) {
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super(threadName + "-LoadFolder");
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setDaemon(true);
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this.folder = folder;
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}
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public void run() {
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try {
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folder.loadMessages();
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} catch (IOException e) {
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exception = e;
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} finally {
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isComplete = true;
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}
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}
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}
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/**
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* Initialize the streams and start the thread.
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*
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* @param clientSocket IMAP client socket
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*/
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public ImapConnection(Socket clientSocket) {
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super(ImapConnection.class.getSimpleName(), clientSocket, "UTF-8");
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}
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@Override
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public void run() {
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final String capabilities;
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int imapIdleDelay = Settings.getIntProperty("davmail.imapIdleDelay") * 60;
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if (imapIdleDelay > 0) {
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capabilities = "CAPABILITY IMAP4REV1 AUTH=LOGIN IDLE MOVE";
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} else {
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capabilities = "CAPABILITY IMAP4REV1 AUTH=LOGIN MOVE";
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}
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String line;
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String commandId = null;
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IMAPTokenizer tokens;
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try {
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ExchangeSessionFactory.checkConfig();
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sendClient("* OK [" + capabilities + "] IMAP4rev1 DavMail " + DavGateway.getCurrentVersion() + " server ready");
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for (; ; ) {
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line = readClient();
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// unable to read line, connection closed ?
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if (line == null) {
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break;
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}
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tokens = new IMAPTokenizer(line);
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if (tokens.hasMoreTokens()) {
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commandId = tokens.nextToken();
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checkInfiniteLoop(line);
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if (tokens.hasMoreTokens()) {
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String command = tokens.nextToken();
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if ("LOGOUT".equalsIgnoreCase(command)) {
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sendClient("* BYE Closing connection");
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sendClient(commandId + " OK LOGOUT completed");
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break;
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}
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if ("capability".equalsIgnoreCase(command)) {
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sendClient("* " + capabilities);
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sendClient(commandId + " OK CAPABILITY completed");
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} else if ("login".equalsIgnoreCase(command)) {
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parseCredentials(tokens);
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// detect shared mailbox access
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splitUserName();
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try {
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session = ExchangeSessionFactory.getInstance(userName, password);
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sendClient(commandId + " OK Authenticated");
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state = State.AUTHENTICATED;
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} catch (Exception e) {
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DavGatewayTray.error(e);
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if (Settings.getBooleanProperty("davmail.enableKerberos")) {
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sendClient(commandId + " NO LOGIN Kerberos authentication failed");
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} else {
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sendClient(commandId + " NO LOGIN failed");
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}
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state = State.INITIAL;
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}
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} else if ("AUTHENTICATE".equalsIgnoreCase(command)) {
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if (tokens.hasMoreTokens()) {
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String authenticationMethod = tokens.nextToken();
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if ("LOGIN".equalsIgnoreCase(authenticationMethod)) {
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try {
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sendClient("+ " + base64Encode("Username:"));
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state = State.LOGIN;
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userName = base64Decode(readClient());
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// detect shared mailbox access
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splitUserName();
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sendClient("+ " + base64Encode("Password:"));
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state = State.PASSWORD;
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password = base64Decode(readClient());
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session = ExchangeSessionFactory.getInstance(userName, password);
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sendClient(commandId + " OK Authenticated");
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state = State.AUTHENTICATED;
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} catch (Exception e) {
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DavGatewayTray.error(e);
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sendClient(commandId + " NO LOGIN failed");
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state = State.INITIAL;
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}
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} else {
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sendClient(commandId + " NO unsupported authentication method");
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}
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} else {
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sendClient(commandId + " BAD authentication method required");
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}
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} else {
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if (state != State.AUTHENTICATED) {
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sendClient(commandId + " BAD command authentication required");
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} else {
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// check for expired session
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session = ExchangeSessionFactory.getInstance(session, userName, password);
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if ("lsub".equalsIgnoreCase(command) || "list".equalsIgnoreCase(command)) {
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if (tokens.hasMoreTokens()) {
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String folderContext;
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if (baseMailboxPath == null) {
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folderContext = BASE64MailboxDecoder.decode(tokens.nextToken());
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} else {
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folderContext = baseMailboxPath + BASE64MailboxDecoder.decode(tokens.nextToken());
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}
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if (tokens.hasMoreTokens()) {
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String folderQuery = folderContext + BASE64MailboxDecoder.decode(tokens.nextToken());
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if (folderQuery.endsWith("%/%") && !"/%/%".equals(folderQuery)) {
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List<ExchangeSession.Folder> folders = session.getSubFolders(folderQuery.substring(0, folderQuery.length() - 3), false);
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for (ExchangeSession.Folder folder : folders) {
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sendClient("* " + command + " (" + folder.getFlags() + ") \"/\" \"" + BASE64MailboxEncoder.encode(folder.folderPath) + '\"');
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sendSubFolders(command, folder.folderPath, false);
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}
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sendClient(commandId + " OK " + command + " completed");
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} else if (folderQuery.endsWith("%") || folderQuery.endsWith("*")) {
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if ("/*".equals(folderQuery) || "/%".equals(folderQuery) || "/%/%".equals(folderQuery)) {
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folderQuery = folderQuery.substring(1);
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if ("%/%".equals(folderQuery)) {
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folderQuery = folderQuery.substring(0, folderQuery.length() - 2);
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}
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sendClient("* " + command + " (\\HasChildren) \"/\" \"/public\"");
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}
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if ("*%".equals(folderQuery)) {
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folderQuery = "*";
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}
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boolean recursive = folderQuery.endsWith("*") && !folderQuery.startsWith("/public");
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sendSubFolders(command, folderQuery.substring(0, folderQuery.length() - 1), recursive);
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sendClient(commandId + " OK " + command + " completed");
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} else {
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ExchangeSession.Folder folder = null;
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try {
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folder = session.getFolder(folderQuery);
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} catch (HttpForbiddenException e) {
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// access forbidden, ignore
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DavGatewayTray.debug(new BundleMessage("LOG_FOLDER_ACCESS_FORBIDDEN", folderQuery));
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} catch (HttpNotFoundException e) {
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// not found, ignore
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DavGatewayTray.debug(new BundleMessage("LOG_FOLDER_NOT_FOUND", folderQuery));
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} catch (HttpException e) {
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// other errors, ignore
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DavGatewayTray.debug(new BundleMessage("LOG_FOLDER_ACCESS_ERROR", folderQuery, e.getMessage()));
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}
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if (folder != null) {
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sendClient("* " + command + " (" + folder.getFlags() + ") \"/\" \"" + BASE64MailboxEncoder.encode(folder.folderPath) + '\"');
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sendClient(commandId + " OK " + command + " completed");
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} else {
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sendClient(commandId + " NO Folder not found");
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}
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}
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} else {
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sendClient(commandId + " BAD missing folder argument");
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}
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} else {
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sendClient(commandId + " BAD missing folder argument");
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}
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} else if ("select".equalsIgnoreCase(command) || "examine".equalsIgnoreCase(command)) {
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if (tokens.hasMoreTokens()) {
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@SuppressWarnings({"NonConstantStringShouldBeStringBuffer"})
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String folderName = BASE64MailboxDecoder.decode(tokens.nextToken());
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if (baseMailboxPath != null && !folderName.startsWith("/")) {
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folderName = baseMailboxPath + folderName;
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}
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try {
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currentFolder = session.getFolder(folderName);
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if (currentFolder.count() <= 500) {
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// simple folder load
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currentFolder.loadMessages();
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sendClient("* " + currentFolder.count() + " EXISTS");
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} else {
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// load folder in a separate thread
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FolderLoadThread folderLoadThread = new FolderLoadThread(currentThread().getName(), currentFolder);
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folderLoadThread.start();
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LOGGER.debug("*");
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os.write('*');
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while (!folderLoadThread.isComplete) {
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folderLoadThread.join(20000);
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LOGGER.debug("Still loading " + currentFolder.folderPath+" ("+currentFolder.count()+" messages)");
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try {
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os.write(' ');
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os.flush();
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} catch (SocketException e) {
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folderLoadThread.interrupt();
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throw e;
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}
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}
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sendClient(" " + currentFolder.count() + " EXISTS");
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if (folderLoadThread.exception != null) {
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throw folderLoadThread.exception;
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}
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}
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sendClient("* " + currentFolder.recent + " RECENT");
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sendClient("* OK [UIDVALIDITY 1]");
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if (currentFolder.count() == 0) {
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sendClient("* OK [UIDNEXT 1]");
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} else {
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sendClient("* OK [UIDNEXT " + currentFolder.getUidNext() + ']');
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}
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sendClient("* FLAGS (\\Answered \\Deleted \\Draft \\Flagged \\Seen $Forwarded Junk)");
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sendClient("* OK [PERMANENTFLAGS (\\Answered \\Deleted \\Draft \\Flagged \\Seen $Forwarded Junk \\*)]");
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if ("select".equalsIgnoreCase(command)) {
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sendClient(commandId + " OK [READ-WRITE] " + command + " completed");
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} else {
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sendClient(commandId + " OK [READ-ONLY] " + command + " completed");
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}
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} catch (HttpNotFoundException e) {
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sendClient(commandId + " NO Not found");
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} catch (HttpForbiddenException e) {
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sendClient(commandId + " NO Forbidden");
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}
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} else {
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sendClient(commandId + " BAD command unrecognized");
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}
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} else if ("expunge".equalsIgnoreCase(command)) {
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if (expunge(false)) {
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// need to refresh folder to avoid 404 errors
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session.refreshFolder(currentFolder);
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}
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sendClient(commandId + " OK " + command + " completed");
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} else if ("close".equalsIgnoreCase(command)) {
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expunge(true);
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// deselect folder
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currentFolder = null;
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sendClient(commandId + " OK " + command + " completed");
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} else if ("create".equalsIgnoreCase(command)) {
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if (tokens.hasMoreTokens()) {
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String folderName = BASE64MailboxDecoder.decode(tokens.nextToken());
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session.createMessageFolder(folderName);
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sendClient(commandId + " OK folder created");
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} else {
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sendClient(commandId + " BAD missing create argument");
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}
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} else if ("rename".equalsIgnoreCase(command)) {
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String folderName = BASE64MailboxDecoder.decode(tokens.nextToken());
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String targetName = BASE64MailboxDecoder.decode(tokens.nextToken());
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try {
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session.moveFolder(folderName, targetName);
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sendClient(commandId + " OK rename completed");
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} catch (HttpException e) {
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sendClient(commandId + " NO " + e.getMessage());
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}
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} else if ("delete".equalsIgnoreCase(command)) {
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String folderName = BASE64MailboxDecoder.decode(tokens.nextToken());
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try {
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session.deleteFolder(folderName);
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sendClient(commandId + " OK folder deleted");
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} catch (HttpException e) {
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sendClient(commandId + " NO " + e.getMessage());
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}
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} else if ("uid".equalsIgnoreCase(command)) {
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if (tokens.hasMoreTokens()) {
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String subcommand = tokens.nextToken();
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if ("fetch".equalsIgnoreCase(subcommand)) {
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if (currentFolder == null) {
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sendClient(commandId + " NO no folder selected");
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} else {
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String ranges = tokens.nextToken();
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if (ranges == null) {
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sendClient(commandId + " BAD missing range parameter");
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} else {
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String parameters = null;
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if (tokens.hasMoreTokens()) {
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parameters = tokens.nextToken();
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}
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UIDRangeIterator uidRangeIterator = new UIDRangeIterator(currentFolder.messages, ranges);
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while (uidRangeIterator.hasNext()) {
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DavGatewayTray.switchIcon();
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ExchangeSession.Message message = uidRangeIterator.next();
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try {
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handleFetch(message, uidRangeIterator.currentIndex, parameters);
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} catch (HttpNotFoundException e) {
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LOGGER.warn("Ignore missing message " + uidRangeIterator.currentIndex);
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} catch (SocketException e) {
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// client closed connection
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throw e;
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} catch (IOException e) {
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DavGatewayTray.log(e);
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sendClient(commandId + " NO Unable to retrieve message: " + e.getMessage());
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}
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}
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sendClient(commandId + " OK UID FETCH completed");
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}
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}
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} else if ("search".equalsIgnoreCase(subcommand)) {
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List<Long> uidList = handleSearch(tokens);
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StringBuilder buffer = new StringBuilder("* SEARCH");
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for (long uid : uidList) {
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buffer.append(' ');
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buffer.append(uid);
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}
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sendClient(buffer.toString());
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sendClient(commandId + " OK SEARCH completed");
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} else if ("store".equalsIgnoreCase(subcommand)) {
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UIDRangeIterator uidRangeIterator = new UIDRangeIterator(currentFolder.messages, tokens.nextToken());
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String action = tokens.nextToken();
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String flags = tokens.nextToken();
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handleStore(commandId, uidRangeIterator, action, flags);
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} else if ("copy".equalsIgnoreCase(subcommand) || "move".equalsIgnoreCase(subcommand)) {
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try {
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UIDRangeIterator uidRangeIterator = new UIDRangeIterator(currentFolder.messages, tokens.nextToken());
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String targetName = BASE64MailboxDecoder.decode(tokens.nextToken());
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if (!uidRangeIterator.hasNext()) {
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sendClient(commandId + " NO " + "No message found");
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} else {
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while (uidRangeIterator.hasNext()) {
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DavGatewayTray.switchIcon();
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ExchangeSession.Message message = uidRangeIterator.next();
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if ("copy".equalsIgnoreCase(subcommand)) {
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session.copyMessage(message, targetName);
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} else {
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session.moveMessage(message, targetName);
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}
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}
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sendClient(commandId + " OK " + subcommand + " completed");
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}
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} catch (HttpException e) {
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sendClient(commandId + " NO " + e.getMessage());
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}
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}
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} else {
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sendClient(commandId + " BAD command unrecognized");
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}
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} else if ("search".equalsIgnoreCase(command)) {
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if (currentFolder == null) {
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sendClient(commandId + " NO no folder selected");
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} else {
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List<Long> uidList = handleSearch(tokens);
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if (uidList.isEmpty()) {
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sendClient("* SEARCH");
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} else {
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int currentIndex = 0;
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for (ExchangeSession.Message message : currentFolder.messages) {
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currentIndex++;
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if (uidList.contains(message.getImapUid())) {
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sendClient("* SEARCH " + currentIndex);
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}
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}
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}
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sendClient(commandId + " OK SEARCH completed");
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}
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} else if ("fetch".equalsIgnoreCase(command)) {
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if (currentFolder == null) {
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sendClient(commandId + " NO no folder selected");
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} else {
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RangeIterator rangeIterator = new RangeIterator(currentFolder.messages, tokens.nextToken());
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String parameters = null;
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if (tokens.hasMoreTokens()) {
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parameters = tokens.nextToken();
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}
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while (rangeIterator.hasNext()) {
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DavGatewayTray.switchIcon();
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ExchangeSession.Message message = rangeIterator.next();
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try {
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handleFetch(message, rangeIterator.currentIndex, parameters);
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} catch (HttpNotFoundException e) {
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LOGGER.warn("Ignore missing message " + rangeIterator.currentIndex);
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} catch (SocketException e) {
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// client closed connection, rethrow exception
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throw e;
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} catch (IOException e) {
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DavGatewayTray.log(e);
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sendClient(commandId + " NO Unable to retrieve message: " + e.getMessage());
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}
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}
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sendClient(commandId + " OK FETCH completed");
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}
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} else if ("store".equalsIgnoreCase(command)) {
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RangeIterator rangeIterator = new RangeIterator(currentFolder.messages, tokens.nextToken());
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String action = tokens.nextToken();
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String flags = tokens.nextToken();
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handleStore(commandId, rangeIterator, action, flags);
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} else if ("copy".equalsIgnoreCase(command) || "move".equalsIgnoreCase(command)) {
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try {
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RangeIterator rangeIterator = new RangeIterator(currentFolder.messages, tokens.nextToken());
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String targetName = BASE64MailboxDecoder.decode(tokens.nextToken());
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if (!rangeIterator.hasNext()) {
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sendClient(commandId + " NO " + "No message found");
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} else {
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while (rangeIterator.hasNext()) {
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DavGatewayTray.switchIcon();
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ExchangeSession.Message message = rangeIterator.next();
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if ("copy".equalsIgnoreCase(command)) {
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session.copyMessage(message, targetName);
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} else {
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session.moveMessage(message, targetName);
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}
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}
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sendClient(commandId + " OK " + command + " completed");
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}
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} catch (HttpException e) {
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sendClient(commandId + " NO " + e.getMessage());
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}
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} else if ("append".equalsIgnoreCase(command)) {
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String folderName = BASE64MailboxDecoder.decode(tokens.nextToken());
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HashMap<String, String> properties = new HashMap<String, String>();
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String flags = null;
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String date = null;
|
|
// handle optional flags
|
|
String nextToken = tokens.nextQuotedToken();
|
|
if (nextToken.startsWith("(")) {
|
|
flags = StringUtil.removeQuotes(nextToken);
|
|
if (tokens.hasMoreTokens()) {
|
|
nextToken = tokens.nextToken();
|
|
if (tokens.hasMoreTokens()) {
|
|
date = nextToken;
|
|
nextToken = tokens.nextToken();
|
|
}
|
|
}
|
|
} else if (tokens.hasMoreTokens()) {
|
|
date = StringUtil.removeQuotes(nextToken);
|
|
nextToken = tokens.nextToken();
|
|
}
|
|
|
|
if (flags != null) {
|
|
// parse flags, on create read and draft flags are on the
|
|
// same messageFlags property, 8 means draft and 1 means read
|
|
StringTokenizer flagtokenizer = new StringTokenizer(flags);
|
|
while (flagtokenizer.hasMoreTokens()) {
|
|
String flag = flagtokenizer.nextToken();
|
|
if ("\\Seen".equals(flag)) {
|
|
if (properties.containsKey("draft")) {
|
|
// draft message, add read flag
|
|
properties.put("draft", "9");
|
|
} else {
|
|
// not (yet) draft, set read flag
|
|
properties.put("draft", "1");
|
|
}
|
|
} else if ("\\Flagged".equals(flag)) {
|
|
properties.put("flagged", "2");
|
|
} else if ("\\Answered".equals(flag)) {
|
|
properties.put("answered", "102");
|
|
} else if ("$Forwarded".equals(flag)) {
|
|
properties.put("forwarded", "104");
|
|
} else if ("\\Draft".equals(flag)) {
|
|
if (properties.containsKey("draft")) {
|
|
// read message, add draft flag
|
|
properties.put("draft", "9");
|
|
} else {
|
|
// not (yet) read, set draft flag
|
|
properties.put("draft", "8");
|
|
}
|
|
} else if ("Junk".equals(flag)) {
|
|
properties.put("junk", "1");
|
|
}
|
|
}
|
|
} else {
|
|
// no flags, force not draft and unread
|
|
properties.put("draft", "0");
|
|
}
|
|
// handle optional date
|
|
if (date != null) {
|
|
SimpleDateFormat dateParser = new SimpleDateFormat("dd-MMM-yyyy HH:mm:ss Z", Locale.ENGLISH);
|
|
Date dateReceived = dateParser.parse(date);
|
|
SimpleDateFormat dateFormatter = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS'Z'");
|
|
dateFormatter.setTimeZone(ExchangeSession.GMT_TIMEZONE);
|
|
|
|
properties.put("datereceived", dateFormatter.format(dateReceived));
|
|
}
|
|
int size = Integer.parseInt(StringUtil.removeQuotes(nextToken));
|
|
sendClient("+ send literal data");
|
|
byte[] buffer = in.readContent(size);
|
|
// empty line
|
|
readClient();
|
|
MimeMessage mimeMessage = new MimeMessage(null, new SharedByteArrayInputStream(buffer));
|
|
|
|
String messageName = UUID.randomUUID().toString() + ".EML";
|
|
try {
|
|
session.createMessage(folderName, messageName, properties, mimeMessage);
|
|
sendClient(commandId + " OK APPEND completed");
|
|
} catch (InsufficientStorageException e) {
|
|
sendClient(commandId + " NO " + e.getMessage());
|
|
}
|
|
} else if ("idle".equalsIgnoreCase(command) && imapIdleDelay > 0) {
|
|
if (currentFolder != null) {
|
|
sendClient("+ idling ");
|
|
// clear cache before going to idle mode
|
|
currentFolder.clearCache();
|
|
DavGatewayTray.resetIcon();
|
|
try {
|
|
int count = 0;
|
|
while (in.available() == 0) {
|
|
if (++count >= imapIdleDelay) {
|
|
count = 0;
|
|
TreeMap<Long, String> previousImapFlagMap = currentFolder.getImapFlagMap();
|
|
if (session.refreshFolder(currentFolder)) {
|
|
handleRefresh(previousImapFlagMap, currentFolder.getImapFlagMap());
|
|
}
|
|
}
|
|
// sleep 1 second
|
|
Thread.sleep(1000);
|
|
}
|
|
// read DONE line
|
|
line = readClient();
|
|
if ("DONE".equals(line)) {
|
|
sendClient(commandId + " OK " + command + " terminated");
|
|
} else {
|
|
sendClient(commandId + " BAD command unrecognized");
|
|
}
|
|
} catch (IOException e) {
|
|
// client connection closed
|
|
throw new SocketException(e.getMessage());
|
|
}
|
|
} else {
|
|
sendClient(commandId + " NO no folder selected");
|
|
}
|
|
} else if ("noop".equalsIgnoreCase(command) || "check".equalsIgnoreCase(command)) {
|
|
if (currentFolder != null) {
|
|
DavGatewayTray.debug(new BundleMessage("LOG_IMAP_COMMAND", command, currentFolder.folderPath));
|
|
TreeMap<Long, String> previousImapFlagMap = currentFolder.getImapFlagMap();
|
|
if (session.refreshFolder(currentFolder)) {
|
|
handleRefresh(previousImapFlagMap, currentFolder.getImapFlagMap());
|
|
}
|
|
}
|
|
sendClient(commandId + " OK " + command + " completed");
|
|
} else if ("subscribe".equalsIgnoreCase(command) || "unsubscribe".equalsIgnoreCase(command)) {
|
|
sendClient(commandId + " OK " + command + " completed");
|
|
} else if ("status".equalsIgnoreCase(command)) {
|
|
try {
|
|
String encodedFolderName = tokens.nextToken();
|
|
String folderName = BASE64MailboxDecoder.decode(encodedFolderName);
|
|
ExchangeSession.Folder folder = session.getFolder(folderName);
|
|
// must retrieve messages
|
|
folder.loadMessages();
|
|
String parameters = tokens.nextToken();
|
|
StringBuilder answer = new StringBuilder();
|
|
StringTokenizer parametersTokens = new StringTokenizer(parameters);
|
|
while (parametersTokens.hasMoreTokens()) {
|
|
String token = parametersTokens.nextToken();
|
|
if ("MESSAGES".equalsIgnoreCase(token)) {
|
|
answer.append("MESSAGES ").append(folder.count()).append(' ');
|
|
}
|
|
if ("RECENT".equalsIgnoreCase(token)) {
|
|
answer.append("RECENT ").append(folder.recent).append(' ');
|
|
}
|
|
if ("UIDNEXT".equalsIgnoreCase(token)) {
|
|
if (folder.count() == 0) {
|
|
answer.append("UIDNEXT 1 ");
|
|
} else {
|
|
if (folder.count() == 0) {
|
|
answer.append("UIDNEXT 1 ");
|
|
} else {
|
|
answer.append("UIDNEXT ").append(folder.getUidNext()).append(' ');
|
|
}
|
|
}
|
|
|
|
}
|
|
if ("UIDVALIDITY".equalsIgnoreCase(token)) {
|
|
answer.append("UIDVALIDITY 1 ");
|
|
}
|
|
if ("UNSEEN".equalsIgnoreCase(token)) {
|
|
answer.append("UNSEEN ").append(folder.unreadCount).append(' ');
|
|
}
|
|
}
|
|
sendClient("* STATUS \"" + encodedFolderName + "\" (" + answer.toString().trim() + ')');
|
|
sendClient(commandId + " OK " + command + " completed");
|
|
} catch (HttpException e) {
|
|
sendClient(commandId + " NO folder not found");
|
|
}
|
|
} else {
|
|
sendClient(commandId + " BAD command unrecognized");
|
|
}
|
|
}
|
|
}
|
|
|
|
} else {
|
|
sendClient(commandId + " BAD missing command");
|
|
}
|
|
} else {
|
|
sendClient("BAD Null command");
|
|
}
|
|
DavGatewayTray.resetIcon();
|
|
}
|
|
|
|
os.flush();
|
|
} catch (SocketTimeoutException e) {
|
|
DavGatewayTray.debug(new BundleMessage("LOG_CLOSE_CONNECTION_ON_TIMEOUT"));
|
|
try {
|
|
sendClient("* BYE Closing connection");
|
|
} catch (IOException e1) {
|
|
DavGatewayTray.debug(new BundleMessage("LOG_EXCEPTION_CLOSING_CONNECTION_ON_TIMEOUT"));
|
|
}
|
|
} catch (SocketException e) {
|
|
LOGGER.warn(BundleMessage.formatLog("LOG_CLIENT_CLOSED_CONNECTION"));
|
|
} catch (Exception e) {
|
|
DavGatewayTray.log(e);
|
|
try {
|
|
String message = ((e.getMessage() == null) ? e.toString() : e.getMessage()).replaceAll("\\n", " ");
|
|
if (commandId != null) {
|
|
sendClient(commandId + " BAD unable to handle request: " + message);
|
|
} else {
|
|
sendClient("* BAD unable to handle request: " + message);
|
|
}
|
|
} catch (IOException e2) {
|
|
DavGatewayTray.warn(new BundleMessage("LOG_EXCEPTION_SENDING_ERROR_TO_CLIENT"), e2);
|
|
}
|
|
} finally {
|
|
close();
|
|
}
|
|
DavGatewayTray.resetIcon();
|
|
}
|
|
|
|
protected String lastCommand;
|
|
protected int lastCommandCount;
|
|
|
|
/**
|
|
* Detect infinite loop on the client side.
|
|
*
|
|
* @param line IMAP command line
|
|
* @throws IOException on infinite loop
|
|
*/
|
|
protected void checkInfiniteLoop(String line) throws IOException {
|
|
int spaceIndex = line.indexOf(' ');
|
|
if (spaceIndex < 0) {
|
|
// invalid command line, reset
|
|
lastCommand = null;
|
|
lastCommandCount = 0;
|
|
} else {
|
|
String command = line.substring(spaceIndex + 1);
|
|
if (command.equals(lastCommand)) {
|
|
lastCommandCount++;
|
|
if (lastCommandCount > 100 && !"NOOP".equalsIgnoreCase(lastCommand) && !"IDLE".equalsIgnoreCase(lastCommand)) {
|
|
// more than a hundred times the same command => this is a client infinite loop, close connection
|
|
throw new IOException("Infinite loop on command " + command + " detected");
|
|
}
|
|
} else {
|
|
// new command, reset
|
|
lastCommand = command;
|
|
lastCommandCount = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Detect shared mailbox access.
|
|
* see http://msexchangeteam.com/archive/2004/03/31/105275.aspx
|
|
*/
|
|
protected void splitUserName() {
|
|
String[] tokens = null;
|
|
if (userName.indexOf('/') >= 0) {
|
|
tokens = userName.split("/");
|
|
} else if (userName.indexOf('\\') >= 0) {
|
|
tokens = userName.split("\\\\");
|
|
}
|
|
|
|
if (tokens != null && tokens.length == 3) {
|
|
userName = tokens[0] + '\\' + tokens[1];
|
|
baseMailboxPath = "/users/" + tokens[2] + '/';
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Send expunge untagged response for removed IMAP message uids.
|
|
*
|
|
* @param previousImapUidList uid list before refresh
|
|
* @param imapUidList uid list after refresh
|
|
* @throws IOException on error
|
|
*/
|
|
private void handleRefresh(TreeMap<Long, String> previousImapFlagMap, TreeMap<Long, String> imapFlagMap) throws IOException {
|
|
// send deleted message expunge notification
|
|
int index = 1;
|
|
for (long previousImapUid : previousImapFlagMap.keySet()) {
|
|
if (!imapFlagMap.keySet().contains(previousImapUid)) {
|
|
sendClient("* " + index + " EXPUNGE");
|
|
} else {
|
|
// send updated flags
|
|
if (!previousImapFlagMap.get(previousImapUid).equals(imapFlagMap.get(previousImapUid))) {
|
|
sendClient("* " + index + " FETCH (UID " + previousImapUid + " FLAGS (" + imapFlagMap.get(previousImapUid) + "))");
|
|
}
|
|
index++;
|
|
}
|
|
}
|
|
|
|
sendClient("* " + currentFolder.count() + " EXISTS");
|
|
sendClient("* " + currentFolder.recent + " RECENT");
|
|
}
|
|
|
|
class MessageWrapper {
|
|
protected OutputStream os;
|
|
protected StringBuilder buffer;
|
|
protected ExchangeSession.Message message;
|
|
|
|
protected MessageWrapper(OutputStream os, StringBuilder buffer, ExchangeSession.Message message) {
|
|
this.os = os;
|
|
this.buffer = buffer;
|
|
this.message = message;
|
|
}
|
|
|
|
public int getMimeMessageSize() throws IOException, MessagingException {
|
|
loadMessage();
|
|
return message.getMimeMessageSize();
|
|
}
|
|
|
|
/**
|
|
* Monitor full message download
|
|
*
|
|
* @param os client socket output stream
|
|
* @param buffer current output buffer
|
|
* @param message message
|
|
*/
|
|
protected void loadMessage() throws IOException, MessagingException {
|
|
if (!message.isLoaded()) {
|
|
// flush current buffer
|
|
String flushString = buffer.toString();
|
|
LOGGER.debug(flushString);
|
|
os.write(flushString.getBytes());
|
|
buffer.setLength(0);
|
|
MessageLoadThread.loadMimeMessage(message, os);
|
|
}
|
|
}
|
|
|
|
public MimeMessage getMimeMessage() throws IOException, MessagingException {
|
|
loadMessage();
|
|
return message.getMimeMessage();
|
|
}
|
|
|
|
public InputStream getRawInputStream() throws IOException, MessagingException {
|
|
loadMessage();
|
|
return message.getRawInputStream();
|
|
}
|
|
|
|
public Enumeration getMatchingHeaderLines(String[] requestedHeaders) throws IOException, MessagingException {
|
|
Enumeration result = message.getMatchingHeaderLinesFromHeaders(requestedHeaders);
|
|
if (result == null) {
|
|
loadMessage();
|
|
result = message.getMatchingHeaderLines(requestedHeaders);
|
|
}
|
|
return result;
|
|
}
|
|
}
|
|
|
|
|
|
private void handleFetch(ExchangeSession.Message message, int currentIndex, String parameters) throws IOException, MessagingException {
|
|
StringBuilder buffer = new StringBuilder();
|
|
MessageWrapper messageWrapper = new MessageWrapper(os, buffer, message);
|
|
buffer.append("* ").append(currentIndex).append(" FETCH (UID ").append(message.getImapUid());
|
|
if (parameters != null) {
|
|
StringTokenizer paramTokens = new StringTokenizer(parameters);
|
|
while (paramTokens.hasMoreTokens()) {
|
|
@SuppressWarnings({"NonConstantStringShouldBeStringBuffer"})
|
|
String param = paramTokens.nextToken().toUpperCase();
|
|
if ("FLAGS".equals(param)) {
|
|
buffer.append(" FLAGS (").append(message.getImapFlags()).append(')');
|
|
} else if ("RFC822.SIZE".equals(param)) {
|
|
int size;
|
|
if (parameters.indexOf("BODY.PEEK[HEADER.FIELDS (") >= 0
|
|
// exclude mutt header request
|
|
&& parameters.indexOf("X-LABEL") < 0) {
|
|
// Header request, send approximate size
|
|
size = message.size;
|
|
} else {
|
|
size = messageWrapper.getMimeMessageSize();
|
|
}
|
|
buffer.append(" RFC822.SIZE ").append(size);
|
|
} else if ("ENVELOPE".equals(param)) {
|
|
appendEnvelope(buffer, messageWrapper);
|
|
} else if ("BODYSTRUCTURE".equals(param)) {
|
|
appendBodyStructure(buffer, messageWrapper);
|
|
} else if ("INTERNALDATE".equals(param) && message.date != null && message.date.length() > 0) {
|
|
try {
|
|
SimpleDateFormat dateParser = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS'Z'");
|
|
dateParser.setTimeZone(ExchangeSession.GMT_TIMEZONE);
|
|
Date date = ExchangeSession.getZuluDateFormat().parse(message.date);
|
|
SimpleDateFormat dateFormatter = new SimpleDateFormat("dd-MMM-yyyy HH:mm:ss Z", Locale.ENGLISH);
|
|
buffer.append(" INTERNALDATE \"").append(dateFormatter.format(date)).append('\"');
|
|
} catch (ParseException e) {
|
|
throw new DavMailException("EXCEPTION_INVALID_DATE", message.date);
|
|
}
|
|
} else if (param.equals("RFC822") || param.startsWith("BODY[") || param.startsWith("BODY.PEEK[") || "RFC822.HEADER".equals(param)) {
|
|
// get full param
|
|
if (param.indexOf('[') >= 0) {
|
|
StringBuilder paramBuffer = new StringBuilder(param);
|
|
while (paramTokens.hasMoreTokens() && paramBuffer.indexOf("]") < 0) {
|
|
paramBuffer.append(' ').append(paramTokens.nextToken());
|
|
}
|
|
param = paramBuffer.toString();
|
|
}
|
|
// parse buffer size
|
|
int startIndex = 0;
|
|
int maxSize = Integer.MAX_VALUE;
|
|
int ltIndex = param.indexOf('<');
|
|
if (ltIndex >= 0) {
|
|
int dotIndex = param.indexOf('.', ltIndex);
|
|
if (dotIndex >= 0) {
|
|
startIndex = Integer.parseInt(param.substring(ltIndex + 1, dotIndex));
|
|
maxSize = Integer.parseInt(param.substring(dotIndex + 1, param.indexOf('>')));
|
|
}
|
|
}
|
|
|
|
ByteArrayOutputStream baos = new ByteArrayOutputStream();
|
|
InputStream partInputStream = null;
|
|
OutputStream partOutputStream = null;
|
|
|
|
// try to parse message part index
|
|
String partIndexString = StringUtil.getToken(param, "[", "]");
|
|
if (("".equals(partIndexString) || partIndexString == null) && !"RFC822.HEADER".equals(param)) {
|
|
// write message with headers
|
|
partOutputStream = new PartialOutputStream(baos, startIndex, maxSize);
|
|
partInputStream = messageWrapper.getRawInputStream();
|
|
} else if ("TEXT".equals(partIndexString)) {
|
|
// write message without headers
|
|
partOutputStream = new PartialOutputStream(baos, startIndex, maxSize);
|
|
partInputStream = messageWrapper.getRawInputStream();
|
|
} else if ("RFC822.HEADER".equals(param) || partIndexString.startsWith("HEADER")) {
|
|
// Header requested fetch headers
|
|
String[] requestedHeaders = getRequestedHeaders(partIndexString);
|
|
// OSX Lion special flags request
|
|
if (requestedHeaders != null && requestedHeaders.length == 1 && "content-class".equals(requestedHeaders[0]) && message.contentClass != null) {
|
|
baos.write("Content-class: ".getBytes("UTF-8"));
|
|
baos.write(message.contentClass.getBytes("UTF-8"));
|
|
baos.write(13);
|
|
baos.write(10);
|
|
} else {
|
|
Enumeration headerEnumeration = messageWrapper.getMatchingHeaderLines(requestedHeaders);
|
|
while (headerEnumeration.hasMoreElements()) {
|
|
baos.write(((String) headerEnumeration.nextElement()).getBytes("UTF-8"));
|
|
baos.write(13);
|
|
baos.write(10);
|
|
}
|
|
}
|
|
} else {
|
|
MimePart bodyPart = messageWrapper.getMimeMessage();
|
|
String[] partIndexStrings = partIndexString.split("\\.");
|
|
for (String subPartIndexString : partIndexStrings) {
|
|
// ignore MIME subpart index, will return full part
|
|
if ("MIME".equals(subPartIndexString)) {
|
|
break;
|
|
}
|
|
int subPartIndex;
|
|
// try to parse part index
|
|
try {
|
|
subPartIndex = Integer.parseInt(subPartIndexString);
|
|
} catch (NumberFormatException e) {
|
|
throw new DavMailException("EXCEPTION_INVALID_PARAMETER", param);
|
|
}
|
|
|
|
Object mimeBody = bodyPart.getContent();
|
|
if (mimeBody instanceof MimeMultipart) {
|
|
MimeMultipart multiPart = (MimeMultipart) mimeBody;
|
|
if (subPartIndex - 1 < multiPart.getCount()) {
|
|
bodyPart = (MimePart) multiPart.getBodyPart(subPartIndex - 1);
|
|
} else {
|
|
throw new DavMailException("EXCEPTION_INVALID_PARAMETER", param);
|
|
}
|
|
} else if (subPartIndex != 1) {
|
|
throw new DavMailException("EXCEPTION_INVALID_PARAMETER", param);
|
|
}
|
|
}
|
|
|
|
// write selected part, without headers
|
|
partOutputStream = new PartialOutputStream(baos, startIndex, maxSize);
|
|
if (bodyPart instanceof MimeMessage) {
|
|
partInputStream = ((MimeMessage) bodyPart).getRawInputStream();
|
|
} else {
|
|
partInputStream = ((MimeBodyPart) bodyPart).getRawInputStream();
|
|
}
|
|
}
|
|
|
|
// copy selected content to baos
|
|
if (partInputStream != null && partOutputStream != null) {
|
|
IOUtil.write(partInputStream, partOutputStream);
|
|
partInputStream.close();
|
|
partOutputStream.close();
|
|
}
|
|
baos.close();
|
|
|
|
if ("RFC822.HEADER".equals(param)) {
|
|
buffer.append(" RFC822.HEADER ");
|
|
} else {
|
|
buffer.append(" BODY[").append(partIndexString).append(']');
|
|
}
|
|
// partial
|
|
if (startIndex > 0 || maxSize != Integer.MAX_VALUE) {
|
|
buffer.append('<').append(startIndex).append('>');
|
|
}
|
|
buffer.append(" {").append(baos.size()).append('}');
|
|
sendClient(buffer.toString());
|
|
// log content if less than 2K
|
|
if (LOGGER.isDebugEnabled() && baos.size() < 2048) {
|
|
LOGGER.debug(new String(baos.toByteArray(), "UTF-8"));
|
|
}
|
|
os.write(baos.toByteArray());
|
|
os.flush();
|
|
buffer.setLength(0);
|
|
}
|
|
}
|
|
}
|
|
buffer.append(')');
|
|
sendClient(buffer.toString());
|
|
// do not keep message content in memory
|
|
message.dropMimeMessage();
|
|
}
|
|
|
|
protected String[] getRequestedHeaders(String partIndexString) {
|
|
if (partIndexString == null) {
|
|
return null;
|
|
} else {
|
|
int startIndex = partIndexString.indexOf('(');
|
|
int endIndex = partIndexString.indexOf(')');
|
|
if (startIndex >= 0 && endIndex >= 0) {
|
|
return partIndexString.substring(startIndex + 1, endIndex).split(" ");
|
|
} else {
|
|
return null;
|
|
}
|
|
}
|
|
}
|
|
|
|
protected void handleStore(String commandId, AbstractRangeIterator rangeIterator, String action, String flags) throws IOException {
|
|
while (rangeIterator.hasNext()) {
|
|
DavGatewayTray.switchIcon();
|
|
ExchangeSession.Message message = rangeIterator.next();
|
|
updateFlags(message, action, flags);
|
|
sendClient("* " + (rangeIterator.getCurrentIndex()) + " FETCH (UID " + message.getImapUid() + " FLAGS (" + (message.getImapFlags()) + "))");
|
|
}
|
|
// auto expunge
|
|
if (Settings.getBooleanProperty("davmail.imapAutoExpunge")) {
|
|
if (expunge(false)) {
|
|
session.refreshFolder(currentFolder);
|
|
}
|
|
}
|
|
sendClient(commandId + " OK STORE completed");
|
|
}
|
|
|
|
protected ExchangeSession.Condition buildConditions(SearchConditions conditions, IMAPTokenizer tokens) throws IOException {
|
|
ExchangeSession.MultiCondition condition = null;
|
|
while (tokens.hasMoreTokens()) {
|
|
String token = tokens.nextQuotedToken().toUpperCase();
|
|
if (token.startsWith("(") && token.endsWith(")")) {
|
|
// quoted search param
|
|
if (condition == null) {
|
|
condition = session.and();
|
|
}
|
|
condition.add(buildConditions(conditions, new IMAPTokenizer(token.substring(1, token.length() - 1))));
|
|
} else if ("OR".equals(token)) {
|
|
condition = session.or();
|
|
} else if (token.startsWith("OR ")) {
|
|
condition = appendOrSearchParams(token, conditions);
|
|
} else if ("CHARSET".equals(token)) {
|
|
String charset = tokens.nextQuotedToken().toUpperCase();
|
|
if (!("ASCII".equals(charset) || "UTF-8".equals(charset))) {
|
|
throw new IOException("Unsupported charset " + charset);
|
|
}
|
|
} else {
|
|
if (condition == null) {
|
|
condition = session.and();
|
|
}
|
|
condition.add(appendSearchParam(tokens, token, conditions));
|
|
}
|
|
}
|
|
return condition;
|
|
}
|
|
|
|
|
|
protected List<Long> handleSearch(IMAPTokenizer tokens) throws IOException {
|
|
List<Long> uidList = new ArrayList<Long>();
|
|
List<Long> localMessagesUidList = null;
|
|
SearchConditions conditions = new SearchConditions();
|
|
ExchangeSession.Condition condition = buildConditions(conditions, tokens);
|
|
session.refreshFolder(currentFolder);
|
|
ExchangeSession.MessageList localMessages = currentFolder.searchMessages(condition);
|
|
Iterator<ExchangeSession.Message> iterator;
|
|
if (conditions.uidRange != null) {
|
|
iterator = new UIDRangeIterator(localMessages, conditions.uidRange);
|
|
} else if (conditions.indexRange != null) {
|
|
// range iterator is on folder messages, not messages returned from search
|
|
iterator = new RangeIterator(currentFolder.messages, conditions.indexRange);
|
|
localMessagesUidList = new ArrayList<Long>();
|
|
// build search result uid list
|
|
for (ExchangeSession.Message message : localMessages) {
|
|
localMessagesUidList.add(message.getImapUid());
|
|
}
|
|
} else {
|
|
iterator = localMessages.iterator();
|
|
}
|
|
while (iterator.hasNext()) {
|
|
ExchangeSession.Message message = iterator.next();
|
|
if ((conditions.flagged == null || message.flagged == conditions.flagged)
|
|
&& (conditions.answered == null || message.answered == conditions.answered)
|
|
&& (conditions.draft == null || message.draft == conditions.draft)
|
|
// range iterator: include messages available in search result
|
|
&& (localMessagesUidList == null || localMessagesUidList.contains(message.getImapUid()))) {
|
|
uidList.add(message.getImapUid());
|
|
}
|
|
}
|
|
return uidList;
|
|
}
|
|
|
|
protected void appendEnvelope(StringBuilder buffer, MessageWrapper message) throws IOException {
|
|
|
|
try {
|
|
MimeMessage mimeMessage = message.getMimeMessage();
|
|
buffer.append(" ENVELOPE (");
|
|
// Envelope for date, subject, from, sender, reply-to, to, cc, bcc,in-reply-to, message-id
|
|
appendEnvelopeHeader(buffer, mimeMessage.getHeader("Date"));
|
|
appendEnvelopeHeader(buffer, mimeMessage.getHeader("Subject"));
|
|
appendMailEnvelopeHeader(buffer, mimeMessage.getHeader("From"));
|
|
appendMailEnvelopeHeader(buffer, mimeMessage.getHeader("Sender"));
|
|
appendMailEnvelopeHeader(buffer, mimeMessage.getHeader("Reply-To"));
|
|
appendMailEnvelopeHeader(buffer, mimeMessage.getHeader("To"));
|
|
appendMailEnvelopeHeader(buffer, mimeMessage.getHeader("CC"));
|
|
appendMailEnvelopeHeader(buffer, mimeMessage.getHeader("BCC"));
|
|
appendEnvelopeHeader(buffer, mimeMessage.getHeader("In-Reply-To"));
|
|
appendEnvelopeHeader(buffer, mimeMessage.getHeader("Message-Id"));
|
|
buffer.append(')');
|
|
|
|
} catch (MessagingException me) {
|
|
DavGatewayTray.warn(me);
|
|
// send fake envelope
|
|
buffer.append(" ENVELOPE (NIL NIL NIL NIL NIL NIL NIL NIL NIL NIL)");
|
|
}
|
|
}
|
|
|
|
protected void appendEnvelopeHeader(StringBuilder buffer, String[] value) throws UnsupportedEncodingException {
|
|
if (buffer.charAt(buffer.length() - 1) != '(') {
|
|
buffer.append(' ');
|
|
}
|
|
if (value != null && value.length > 0) {
|
|
appendEnvelopeHeaderValue(buffer, MimeUtility.unfold(value[0]));
|
|
} else {
|
|
buffer.append("NIL");
|
|
}
|
|
}
|
|
|
|
protected void appendMailEnvelopeHeader(StringBuilder buffer, String[] value) {
|
|
buffer.append(' ');
|
|
if (value != null && value.length > 0) {
|
|
try {
|
|
String unfoldedValue = MimeUtility.unfold(value[0]);
|
|
InternetAddress[] addresses = InternetAddress.parseHeader(unfoldedValue, false);
|
|
if (addresses != null && addresses.length > 0) {
|
|
buffer.append('(');
|
|
for (InternetAddress address : addresses) {
|
|
buffer.append('(');
|
|
String personal = address.getPersonal();
|
|
if (personal != null) {
|
|
appendEnvelopeHeaderValue(buffer, personal);
|
|
} else {
|
|
buffer.append("NIL");
|
|
}
|
|
buffer.append(" NIL ");
|
|
String mail = address.getAddress();
|
|
int atIndex = mail.indexOf('@');
|
|
if (atIndex >= 0) {
|
|
buffer.append('"').append(mail.substring(0, atIndex)).append('"');
|
|
buffer.append(' ');
|
|
buffer.append('"').append(mail.substring(atIndex + 1)).append('"');
|
|
} else {
|
|
buffer.append("NIL NIL");
|
|
}
|
|
buffer.append(')');
|
|
}
|
|
buffer.append(')');
|
|
} else {
|
|
buffer.append("NIL");
|
|
}
|
|
} catch (AddressException e) {
|
|
DavGatewayTray.warn(e);
|
|
buffer.append("NIL");
|
|
} catch (UnsupportedEncodingException e) {
|
|
DavGatewayTray.warn(e);
|
|
buffer.append("NIL");
|
|
}
|
|
} else {
|
|
buffer.append("NIL");
|
|
}
|
|
}
|
|
|
|
protected void appendEnvelopeHeaderValue(StringBuilder buffer, String value) throws UnsupportedEncodingException {
|
|
if (value.indexOf('"') >= 0 || value.indexOf('\\') >= 0) {
|
|
buffer.append('{');
|
|
buffer.append(value.length());
|
|
buffer.append("}\r\n");
|
|
buffer.append(value);
|
|
} else {
|
|
buffer.append('"');
|
|
buffer.append(MimeUtility.encodeText(value, "UTF-8", null));
|
|
buffer.append('"');
|
|
}
|
|
|
|
}
|
|
|
|
protected void appendBodyStructure(StringBuilder buffer, MessageWrapper message) throws IOException {
|
|
|
|
buffer.append(" BODYSTRUCTURE ");
|
|
try {
|
|
MimeMessage mimeMessage = message.getMimeMessage();
|
|
Object mimeBody = mimeMessage.getContent();
|
|
if (mimeBody instanceof MimeMultipart) {
|
|
appendBodyStructure(buffer, (MimeMultipart) mimeBody);
|
|
} else {
|
|
// no multipart, single body
|
|
appendBodyStructure(buffer, mimeMessage);
|
|
}
|
|
} catch (UnsupportedEncodingException e) {
|
|
DavGatewayTray.warn(e);
|
|
// failover: send default bodystructure
|
|
buffer.append("(\"TEXT\" \"PLAIN\" (\"CHARSET\" \"US-ASCII\") NIL NIL NIL NIL NIL)");
|
|
} catch (MessagingException me) {
|
|
DavGatewayTray.warn(me);
|
|
// failover: send default bodystructure
|
|
buffer.append("(\"TEXT\" \"PLAIN\" (\"CHARSET\" \"US-ASCII\") NIL NIL NIL NIL NIL)");
|
|
}
|
|
}
|
|
|
|
protected void appendBodyStructure(StringBuilder buffer, MimeMultipart multiPart) throws IOException, MessagingException {
|
|
buffer.append('(');
|
|
|
|
for (int i = 0; i < multiPart.getCount(); i++) {
|
|
MimeBodyPart bodyPart = (MimeBodyPart) multiPart.getBodyPart(i);
|
|
try {
|
|
Object mimeBody = bodyPart.getContent();
|
|
if (mimeBody instanceof MimeMultipart) {
|
|
appendBodyStructure(buffer, (MimeMultipart) mimeBody);
|
|
} else {
|
|
// no multipart, single body
|
|
appendBodyStructure(buffer, bodyPart);
|
|
}
|
|
} catch (UnsupportedEncodingException e) {
|
|
LOGGER.warn(e);
|
|
// failover: send default bodystructure
|
|
buffer.append("(\"TEXT\" \"PLAIN\" (\"CHARSET\" \"US-ASCII\") NIL NIL NIL NIL NIL)");
|
|
} catch (MessagingException me) {
|
|
DavGatewayTray.warn(me);
|
|
// failover: send default bodystructure
|
|
buffer.append("(\"TEXT\" \"PLAIN\" (\"CHARSET\" \"US-ASCII\") NIL NIL NIL NIL NIL)");
|
|
}
|
|
}
|
|
int slashIndex = multiPart.getContentType().indexOf('/');
|
|
if (slashIndex < 0) {
|
|
throw new DavMailException("EXCEPTION_INVALID_CONTENT_TYPE", multiPart.getContentType());
|
|
}
|
|
int semiColonIndex = multiPart.getContentType().indexOf(';');
|
|
if (semiColonIndex < 0) {
|
|
buffer.append(" \"").append(multiPart.getContentType().substring(slashIndex + 1).toUpperCase()).append("\")");
|
|
} else {
|
|
buffer.append(" \"").append(multiPart.getContentType().substring(slashIndex + 1, semiColonIndex).trim().toUpperCase()).append("\")");
|
|
}
|
|
}
|
|
|
|
protected void appendBodyStructure(StringBuilder buffer, MimePart bodyPart) throws IOException, MessagingException {
|
|
String contentType = MimeUtility.unfold(bodyPart.getContentType());
|
|
int slashIndex = contentType.indexOf('/');
|
|
if (slashIndex < 0) {
|
|
throw new DavMailException("EXCEPTION_INVALID_CONTENT_TYPE", contentType);
|
|
}
|
|
String type = contentType.substring(0, slashIndex).toUpperCase();
|
|
buffer.append("(\"").append(type).append("\" \"");
|
|
int semiColonIndex = contentType.indexOf(';');
|
|
if (semiColonIndex < 0) {
|
|
buffer.append(contentType.substring(slashIndex + 1).toUpperCase()).append("\" NIL");
|
|
} else {
|
|
// extended content type
|
|
buffer.append(contentType.substring(slashIndex + 1, semiColonIndex).trim().toUpperCase()).append('\"');
|
|
int charsetindex = contentType.indexOf("charset=");
|
|
int nameindex = contentType.indexOf("name=");
|
|
if (charsetindex >= 0 || nameindex >= 0) {
|
|
buffer.append(" (");
|
|
|
|
if (charsetindex >= 0) {
|
|
buffer.append("\"CHARSET\" ");
|
|
int charsetSemiColonIndex = contentType.indexOf(';', charsetindex);
|
|
int charsetEndIndex;
|
|
if (charsetSemiColonIndex > 0) {
|
|
charsetEndIndex = charsetSemiColonIndex;
|
|
} else {
|
|
charsetEndIndex = contentType.length();
|
|
}
|
|
String charSet = contentType.substring(charsetindex + "charset=".length(), charsetEndIndex);
|
|
if (!charSet.startsWith("\"")) {
|
|
buffer.append('"');
|
|
}
|
|
buffer.append(charSet.trim().toUpperCase());
|
|
if (!charSet.endsWith("\"")) {
|
|
buffer.append('"');
|
|
}
|
|
}
|
|
|
|
if (nameindex >= 0) {
|
|
if (charsetindex >= 0) {
|
|
buffer.append(' ');
|
|
}
|
|
|
|
buffer.append("\"NAME\" ");
|
|
int nameSemiColonIndex = contentType.indexOf(';', nameindex);
|
|
int nameEndIndex;
|
|
if (nameSemiColonIndex > 0) {
|
|
nameEndIndex = nameSemiColonIndex;
|
|
} else {
|
|
nameEndIndex = contentType.length();
|
|
}
|
|
String name = contentType.substring(nameindex + "name=".length(), nameEndIndex).trim();
|
|
if (!name.startsWith("\"")) {
|
|
buffer.append('"');
|
|
}
|
|
buffer.append(name.trim());
|
|
if (!name.endsWith("\"")) {
|
|
buffer.append('"');
|
|
}
|
|
}
|
|
buffer.append(')');
|
|
} else {
|
|
buffer.append(" NIL");
|
|
}
|
|
}
|
|
appendBodyStructureValue(buffer, bodyPart.getContentID());
|
|
appendBodyStructureValue(buffer, bodyPart.getDescription());
|
|
appendBodyStructureValue(buffer, bodyPart.getEncoding());
|
|
appendBodyStructureValue(buffer, bodyPart.getSize());
|
|
if ("MESSAGE".equals(type) || "TEXT".equals(type)) {
|
|
// line count not implemented in JavaMail, return fake line count
|
|
appendBodyStructureValue(buffer, bodyPart.getSize() / 80);
|
|
} else {
|
|
// do not send line count for non text bodyparts
|
|
appendBodyStructureValue(buffer, -1);
|
|
}
|
|
buffer.append(')');
|
|
}
|
|
|
|
protected void appendBodyStructureValue(StringBuilder buffer, String value) {
|
|
if (value == null) {
|
|
buffer.append(" NIL");
|
|
} else {
|
|
buffer.append(" \"").append(value.toUpperCase()).append('\"');
|
|
}
|
|
}
|
|
|
|
protected void appendBodyStructureValue(StringBuilder buffer, int value) {
|
|
if (value < 0) {
|
|
buffer.append(" NIL");
|
|
} else {
|
|
buffer.append(' ').append(value);
|
|
}
|
|
}
|
|
|
|
protected void sendSubFolders(String command, String folderPath, boolean recursive) throws IOException {
|
|
try {
|
|
List<ExchangeSession.Folder> folders = session.getSubFolders(folderPath, recursive);
|
|
for (ExchangeSession.Folder folder : folders) {
|
|
sendClient("* " + command + " (" + folder.getFlags() + ") \"/\" \"" + BASE64MailboxEncoder.encode(folder.folderPath) + '\"');
|
|
}
|
|
} catch (HttpForbiddenException e) {
|
|
// access forbidden, ignore
|
|
DavGatewayTray.debug(new BundleMessage("LOG_SUBFOLDER_ACCESS_FORBIDDEN", folderPath));
|
|
} catch (HttpNotFoundException e) {
|
|
// not found, ignore
|
|
DavGatewayTray.debug(new BundleMessage("LOG_FOLDER_NOT_FOUND", folderPath));
|
|
} catch (HttpException e) {
|
|
// other errors, ignore
|
|
DavGatewayTray.debug(new BundleMessage("LOG_FOLDER_ACCESS_ERROR", folderPath, e.getMessage()));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* client side search conditions
|
|
*/
|
|
static final class SearchConditions {
|
|
Boolean flagged;
|
|
Boolean answered;
|
|
Boolean draft;
|
|
String indexRange;
|
|
String uidRange;
|
|
}
|
|
|
|
protected ExchangeSession.MultiCondition appendOrSearchParams(String token, SearchConditions conditions) throws IOException {
|
|
ExchangeSession.MultiCondition orCondition = session.or();
|
|
IMAPTokenizer innerTokens = new IMAPTokenizer(token);
|
|
innerTokens.nextToken();
|
|
while (innerTokens.hasMoreTokens()) {
|
|
String innerToken = innerTokens.nextToken();
|
|
orCondition.add(appendSearchParam(innerTokens, innerToken, conditions));
|
|
}
|
|
return orCondition;
|
|
}
|
|
|
|
protected ExchangeSession.Condition appendSearchParam(StringTokenizer tokens, String token, SearchConditions conditions) throws IOException {
|
|
if ("NOT".equals(token)) {
|
|
String nextToken = tokens.nextToken();
|
|
if ("DELETED".equals(nextToken)) {
|
|
// conditions.deleted = Boolean.FALSE;
|
|
return session.isNull("deleted");
|
|
} else {
|
|
return session.not(appendSearchParam(tokens, nextToken, conditions));
|
|
}
|
|
} else if (token.startsWith("OR ")) {
|
|
return appendOrSearchParams(token, conditions);
|
|
} else if ("SUBJECT".equals(token)) {
|
|
return session.contains("subject", tokens.nextToken());
|
|
} else if ("BODY".equals(token)) {
|
|
return session.contains("body", tokens.nextToken());
|
|
} else if ("TEXT".equals(token)) {
|
|
String value = tokens.nextToken();
|
|
return session.or(session.contains("body", value),
|
|
session.contains("subject", value),
|
|
session.contains("from", value),
|
|
session.contains("to", value),
|
|
session.contains("cc", value));
|
|
} else if ("KEYWORD".equals(token)) {
|
|
return session.contains("keywords", session.convertFlagToKeyword(tokens.nextToken()));
|
|
} else if ("FROM".equals(token)) {
|
|
return session.contains("from", tokens.nextToken());
|
|
} else if ("TO".equals(token)) {
|
|
return session.contains("to", tokens.nextToken());
|
|
} else if ("CC".equals(token)) {
|
|
return session.contains("cc", tokens.nextToken());
|
|
} else if ("LARGER".equals(token)) {
|
|
return session.gte("messageSize", tokens.nextToken());
|
|
} else if ("SMALLER".equals(token)) {
|
|
return session.lt("messageSize", tokens.nextToken());
|
|
} else if (token.startsWith("SENT") || "SINCE".equals(token) || "BEFORE".equals(token)) {
|
|
return appendDateSearchParam(tokens, token);
|
|
} else if ("SEEN".equals(token)) {
|
|
return session.isTrue("read");
|
|
} else if ("UNSEEN".equals(token) || "NEW".equals(token)) {
|
|
return session.isFalse("read");
|
|
} else if ("DRAFT".equals(token)) {
|
|
conditions.draft = Boolean.TRUE;
|
|
} else if ("UNDRAFT".equals(token)) {
|
|
conditions.draft = Boolean.FALSE;
|
|
} else if ("DELETED".equals(token)) {
|
|
// conditions.deleted = Boolean.TRUE;
|
|
return session.isEqualTo("deleted", "1");
|
|
} else if ("UNDELETED".equals(token) || "NOT DELETED".equals(token)) {
|
|
// conditions.deleted = Boolean.FALSE;
|
|
return session.isNull("deleted");
|
|
} else if ("FLAGGED".equals(token)) {
|
|
conditions.flagged = Boolean.TRUE;
|
|
} else if ("UNFLAGGED".equals(token) || "NEW".equals(token)) {
|
|
conditions.flagged = Boolean.FALSE;
|
|
} else if ("ANSWERED".equals(token)) {
|
|
conditions.answered = Boolean.TRUE;
|
|
} else if ("UNANSWERED".equals(token)) {
|
|
conditions.answered = Boolean.FALSE;
|
|
} else if ("HEADER".equals(token)) {
|
|
String headerName = tokens.nextToken().toLowerCase();
|
|
String value = tokens.nextToken();
|
|
if ("message-id".equals(headerName) && !value.startsWith("<")) {
|
|
value = '<' + value + '>';
|
|
}
|
|
return session.headerIsEqualTo(headerName, value);
|
|
} else if ("UID".equals(token)) {
|
|
String range = tokens.nextToken();
|
|
if ("1:*".equals(range)) {
|
|
// ignore: this is a noop filter
|
|
} else {
|
|
conditions.uidRange = range;
|
|
}
|
|
} else if ("OLD".equals(token) || "RECENT".equals(token) || "ALL".equals(token)) {
|
|
// ignore
|
|
} else if (token.indexOf(':') >= 0 || token.matches("\\d+")) {
|
|
// range search
|
|
conditions.indexRange = token;
|
|
} else {
|
|
throw new DavMailException("EXCEPTION_INVALID_SEARCH_PARAMETERS", token);
|
|
}
|
|
// client side search token
|
|
return null;
|
|
}
|
|
|
|
protected ExchangeSession.Condition appendDateSearchParam(StringTokenizer tokens, String token) throws IOException {
|
|
Date startDate;
|
|
Date endDate;
|
|
SimpleDateFormat parser = new SimpleDateFormat("dd-MMM-yyyy", Locale.ENGLISH);
|
|
parser.setTimeZone(ExchangeSession.GMT_TIMEZONE);
|
|
String dateToken = tokens.nextToken();
|
|
try {
|
|
startDate = parser.parse(dateToken);
|
|
Calendar calendar = Calendar.getInstance();
|
|
calendar.setTime(startDate);
|
|
calendar.add(Calendar.DAY_OF_MONTH, 1);
|
|
endDate = calendar.getTime();
|
|
} catch (ParseException e) {
|
|
throw new DavMailException("EXCEPTION_INVALID_SEARCH_PARAMETERS", dateToken);
|
|
}
|
|
String searchAttribute;
|
|
if (token.startsWith("SENT")) {
|
|
searchAttribute = "date";
|
|
} else {
|
|
searchAttribute = "lastmodified";
|
|
}
|
|
|
|
if (token.endsWith("ON")) {
|
|
return session.and(session.gt(searchAttribute, session.formatSearchDate(startDate)),
|
|
session.lt(searchAttribute, session.formatSearchDate(endDate)));
|
|
} else if (token.endsWith("BEFORE")) {
|
|
return session.lt(searchAttribute, session.formatSearchDate(startDate));
|
|
} else if (token.endsWith("SINCE")) {
|
|
return session.gte(searchAttribute, session.formatSearchDate(startDate));
|
|
} else {
|
|
throw new DavMailException("EXCEPTION_INVALID_SEARCH_PARAMETERS", dateToken);
|
|
}
|
|
}
|
|
|
|
protected boolean expunge(boolean silent) throws IOException {
|
|
boolean hasDeleted = false;
|
|
if (currentFolder.messages != null) {
|
|
int index = 1;
|
|
for (ExchangeSession.Message message : currentFolder.messages) {
|
|
if (message.deleted) {
|
|
message.delete();
|
|
hasDeleted = true;
|
|
if (!silent) {
|
|
sendClient("* " + index + " EXPUNGE");
|
|
}
|
|
} else {
|
|
index++;
|
|
}
|
|
}
|
|
}
|
|
return hasDeleted;
|
|
}
|
|
|
|
protected void updateFlags(ExchangeSession.Message message, String action, String flags) throws IOException {
|
|
HashMap<String, String> properties = new HashMap<String, String>();
|
|
if ("-Flags".equalsIgnoreCase(action) || "-FLAGS.SILENT".equalsIgnoreCase(action)) {
|
|
StringTokenizer flagtokenizer = new StringTokenizer(flags);
|
|
while (flagtokenizer.hasMoreTokens()) {
|
|
String flag = flagtokenizer.nextToken();
|
|
if ("\\Seen".equalsIgnoreCase(flag)) {
|
|
if (message.read) {
|
|
properties.put("read", "0");
|
|
message.read = false;
|
|
}
|
|
} else if ("\\Flagged".equalsIgnoreCase(flag)) {
|
|
if (message.flagged) {
|
|
properties.put("flagged", "0");
|
|
message.flagged = false;
|
|
}
|
|
} else if ("\\Deleted".equalsIgnoreCase(flag)) {
|
|
if (message.deleted) {
|
|
properties.put("deleted", null);
|
|
message.deleted = false;
|
|
}
|
|
} else if ("Junk".equalsIgnoreCase(flag)) {
|
|
if (message.junk) {
|
|
properties.put("junk", "0");
|
|
message.junk = false;
|
|
}
|
|
} else if ("$Forwarded".equalsIgnoreCase(flag)) {
|
|
if (message.forwarded) {
|
|
properties.put("forwarded", null);
|
|
message.forwarded = false;
|
|
}
|
|
} else if ("\\Answered".equalsIgnoreCase(flag)) {
|
|
if (message.answered) {
|
|
properties.put("answered", null);
|
|
message.answered = false;
|
|
}
|
|
} else if (message.keywords != null) {
|
|
properties.put("keywords", message.removeFlag(flag));
|
|
}
|
|
}
|
|
} else if ("+Flags".equalsIgnoreCase(action) || "+FLAGS.SILENT".equalsIgnoreCase(action)) {
|
|
StringTokenizer flagtokenizer = new StringTokenizer(flags);
|
|
while (flagtokenizer.hasMoreTokens()) {
|
|
String flag = flagtokenizer.nextToken();
|
|
if ("\\Seen".equalsIgnoreCase(flag)) {
|
|
if (!message.read) {
|
|
properties.put("read", "1");
|
|
message.read = true;
|
|
}
|
|
} else if ("\\Deleted".equalsIgnoreCase(flag)) {
|
|
if (!message.deleted) {
|
|
message.deleted = true;
|
|
properties.put("deleted", "1");
|
|
}
|
|
} else if ("\\Flagged".equalsIgnoreCase(flag)) {
|
|
if (!message.flagged) {
|
|
properties.put("flagged", "2");
|
|
message.flagged = true;
|
|
}
|
|
} else if ("\\Answered".equalsIgnoreCase(flag)) {
|
|
if (!message.answered) {
|
|
properties.put("answered", "102");
|
|
message.answered = true;
|
|
}
|
|
} else if ("$Forwarded".equalsIgnoreCase(flag)) {
|
|
if (!message.forwarded) {
|
|
properties.put("forwarded", "104");
|
|
message.forwarded = true;
|
|
}
|
|
} else if ("Junk".equalsIgnoreCase(flag)) {
|
|
if (!message.junk) {
|
|
properties.put("junk", "1");
|
|
message.junk = true;
|
|
}
|
|
} else {
|
|
properties.put("keywords", message.addFlag(flag));
|
|
}
|
|
}
|
|
} else if ("FLAGS".equalsIgnoreCase(action) || "FLAGS.SILENT".equalsIgnoreCase(action)) {
|
|
// flag list with default values
|
|
boolean read = false;
|
|
boolean deleted = false;
|
|
boolean junk = false;
|
|
boolean flagged = false;
|
|
boolean answered = false;
|
|
boolean forwarded = false;
|
|
HashSet<String> keywords = null;
|
|
// set flags from new flag list
|
|
StringTokenizer flagtokenizer = new StringTokenizer(flags);
|
|
while (flagtokenizer.hasMoreTokens()) {
|
|
String flag = flagtokenizer.nextToken();
|
|
if ("\\Seen".equalsIgnoreCase(flag)) {
|
|
read = true;
|
|
} else if ("\\Deleted".equalsIgnoreCase(flag)) {
|
|
deleted = true;
|
|
} else if ("\\Flagged".equalsIgnoreCase(flag)) {
|
|
flagged = true;
|
|
} else if ("\\Answered".equalsIgnoreCase(flag)) {
|
|
answered = true;
|
|
} else if ("$Forwarded".equalsIgnoreCase(flag)) {
|
|
forwarded = true;
|
|
} else if ("Junk".equalsIgnoreCase(flag)) {
|
|
junk = true;
|
|
} else {
|
|
if (keywords == null) {
|
|
keywords = new HashSet<String>();
|
|
}
|
|
keywords.add(flag);
|
|
}
|
|
}
|
|
if (keywords != null) {
|
|
properties.put("keywords", message.setFlags(keywords));
|
|
}
|
|
if (read != message.read) {
|
|
message.read = read;
|
|
if (message.read) {
|
|
properties.put("read", "1");
|
|
} else {
|
|
properties.put("read", "0");
|
|
}
|
|
}
|
|
if (deleted != message.deleted) {
|
|
message.deleted = deleted;
|
|
if (message.deleted) {
|
|
properties.put("deleted", "1");
|
|
} else {
|
|
properties.put("deleted", null);
|
|
}
|
|
}
|
|
if (flagged != message.flagged) {
|
|
message.flagged = flagged;
|
|
if (message.flagged) {
|
|
properties.put("flagged", "2");
|
|
} else {
|
|
properties.put("flagged", "0");
|
|
}
|
|
}
|
|
if (answered != message.answered) {
|
|
message.answered = answered;
|
|
if (message.answered) {
|
|
properties.put("answered", "102");
|
|
} else if (!forwarded) {
|
|
// remove property only if not forwarded
|
|
properties.put("answered", null);
|
|
}
|
|
}
|
|
if (forwarded != message.forwarded) {
|
|
message.forwarded = forwarded;
|
|
if (message.forwarded) {
|
|
properties.put("forwarded", "104");
|
|
} else if (!answered) {
|
|
// remove property only if not answered
|
|
properties.put("forwarded", null);
|
|
}
|
|
}
|
|
if (junk != message.junk) {
|
|
message.junk = junk;
|
|
if (message.junk) {
|
|
properties.put("junk", "1");
|
|
} else {
|
|
properties.put("junk", "0");
|
|
}
|
|
}
|
|
}
|
|
if (!properties.isEmpty()) {
|
|
session.updateMessage(message, properties);
|
|
// message is no longer recent
|
|
message.recent = false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Decode IMAP credentials
|
|
*
|
|
* @param tokens tokens
|
|
* @throws IOException on error
|
|
*/
|
|
protected void parseCredentials(StringTokenizer tokens) throws IOException {
|
|
if (tokens.hasMoreTokens()) {
|
|
userName = tokens.nextToken();
|
|
} else {
|
|
throw new DavMailException("EXCEPTION_INVALID_CREDENTIALS");
|
|
}
|
|
|
|
if (tokens.hasMoreTokens()) {
|
|
password = tokens.nextToken();
|
|
} else {
|
|
throw new DavMailException("EXCEPTION_INVALID_CREDENTIALS");
|
|
}
|
|
int backslashindex = userName.indexOf('\\');
|
|
if (backslashindex > 0) {
|
|
userName = userName.substring(0, backslashindex) + userName.substring(backslashindex + 1);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Filter to output only headers, also count full size
|
|
*/
|
|
private static final class PartOutputStream extends FilterOutputStream {
|
|
private static final int START = 0;
|
|
private static final int CR = 1;
|
|
private static final int CRLF = 2;
|
|
private static final int CRLFCR = 3;
|
|
private static final int BODY = 4;
|
|
|
|
private int state = START;
|
|
private int size;
|
|
private int bufferSize;
|
|
private final boolean writeHeaders;
|
|
private final boolean writeBody;
|
|
private final int startIndex;
|
|
private final int maxSize;
|
|
|
|
private PartOutputStream(OutputStream os, boolean writeHeaders, boolean writeBody,
|
|
int startIndex, int maxSize) {
|
|
super(os);
|
|
this.writeHeaders = writeHeaders;
|
|
this.writeBody = writeBody;
|
|
this.startIndex = startIndex;
|
|
this.maxSize = maxSize;
|
|
}
|
|
|
|
@Override
|
|
public void write(int b) throws IOException {
|
|
size++;
|
|
if (((state != BODY && writeHeaders) || (state == BODY && writeBody)) &&
|
|
(size > startIndex) && (bufferSize < maxSize)
|
|
) {
|
|
super.write(b);
|
|
bufferSize++;
|
|
}
|
|
if (state == START) {
|
|
if (b == '\r') {
|
|
state = CR;
|
|
}
|
|
} else if (state == CR) {
|
|
if (b == '\n') {
|
|
state = CRLF;
|
|
} else {
|
|
state = START;
|
|
}
|
|
} else if (state == CRLF) {
|
|
if (b == '\r') {
|
|
state = CRLFCR;
|
|
} else {
|
|
state = START;
|
|
}
|
|
} else if (state == CRLFCR) {
|
|
if (b == '\n') {
|
|
state = BODY;
|
|
} else {
|
|
state = START;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Partial output stream, start at startIndex and write maxSize bytes.
|
|
*/
|
|
private static final class PartialOutputStream extends FilterOutputStream {
|
|
private int size;
|
|
private int bufferSize;
|
|
private final int startIndex;
|
|
private final int maxSize;
|
|
|
|
private PartialOutputStream(OutputStream os, int startIndex, int maxSize) {
|
|
super(os);
|
|
this.startIndex = startIndex;
|
|
this.maxSize = maxSize;
|
|
}
|
|
|
|
@Override
|
|
public void write(int b) throws IOException {
|
|
size++;
|
|
if ((size > startIndex) && (bufferSize < maxSize)) {
|
|
super.write(b);
|
|
bufferSize++;
|
|
}
|
|
}
|
|
}
|
|
|
|
protected abstract static class AbstractRangeIterator implements Iterator<ExchangeSession.Message> {
|
|
ExchangeSession.MessageList messages;
|
|
int currentIndex;
|
|
|
|
protected int getCurrentIndex() {
|
|
return currentIndex;
|
|
}
|
|
}
|
|
|
|
protected static class UIDRangeIterator extends AbstractRangeIterator {
|
|
final String[] ranges;
|
|
int currentRangeIndex;
|
|
long startUid;
|
|
long endUid;
|
|
|
|
protected UIDRangeIterator(ExchangeSession.MessageList messages, String value) {
|
|
this.messages = messages;
|
|
ranges = value.split(",");
|
|
}
|
|
|
|
protected long convertToLong(String value) {
|
|
if ("*".equals(value)) {
|
|
return Long.MAX_VALUE;
|
|
} else {
|
|
return Long.parseLong(value);
|
|
}
|
|
}
|
|
|
|
protected void skipToNextRangeStartUid() {
|
|
if (currentRangeIndex < ranges.length) {
|
|
String currentRange = ranges[currentRangeIndex++];
|
|
int colonIndex = currentRange.indexOf(':');
|
|
if (colonIndex > 0) {
|
|
startUid = convertToLong(currentRange.substring(0, colonIndex));
|
|
endUid = convertToLong(currentRange.substring(colonIndex + 1));
|
|
if (endUid < startUid) {
|
|
long swap = endUid;
|
|
endUid = startUid;
|
|
startUid = swap;
|
|
}
|
|
} else if ("*".equals(currentRange)) {
|
|
startUid = endUid = messages.get(messages.size() - 1).getImapUid();
|
|
} else {
|
|
startUid = endUid = convertToLong(currentRange);
|
|
}
|
|
while (currentIndex < messages.size() && messages.get(currentIndex).getImapUid() < startUid) {
|
|
currentIndex++;
|
|
}
|
|
} else {
|
|
currentIndex = messages.size();
|
|
}
|
|
}
|
|
|
|
protected boolean hasNextInRange() {
|
|
return hasNextIndex() && messages.get(currentIndex).getImapUid() <= endUid;
|
|
}
|
|
|
|
protected boolean hasNextIndex() {
|
|
return currentIndex < messages.size();
|
|
}
|
|
|
|
protected boolean hasNextRange() {
|
|
return currentRangeIndex < ranges.length;
|
|
}
|
|
|
|
public boolean hasNext() {
|
|
boolean hasNextInRange = hasNextInRange();
|
|
// if has next range and current index after current range end, reset index
|
|
if (hasNextRange() && !hasNextInRange) {
|
|
currentIndex = 0;
|
|
}
|
|
while (hasNextIndex() && !hasNextInRange) {
|
|
skipToNextRangeStartUid();
|
|
hasNextInRange = hasNextInRange();
|
|
}
|
|
return hasNextIndex();
|
|
}
|
|
|
|
public ExchangeSession.Message next() {
|
|
ExchangeSession.Message message = messages.get(currentIndex++);
|
|
long uid = message.getImapUid();
|
|
if (uid < startUid || uid > endUid) {
|
|
throw new RuntimeException("Message uid " + uid + " not in range " + startUid + ':' + endUid);
|
|
}
|
|
return message;
|
|
}
|
|
|
|
public void remove() {
|
|
throw new UnsupportedOperationException();
|
|
}
|
|
}
|
|
|
|
protected static class RangeIterator extends AbstractRangeIterator {
|
|
final String[] ranges;
|
|
int currentRangeIndex;
|
|
long startUid;
|
|
long endUid;
|
|
|
|
protected RangeIterator(ExchangeSession.MessageList messages, String value) {
|
|
this.messages = messages;
|
|
ranges = value.split(",");
|
|
}
|
|
|
|
protected long convertToLong(String value) {
|
|
if ("*".equals(value)) {
|
|
return Long.MAX_VALUE;
|
|
} else {
|
|
return Long.parseLong(value);
|
|
}
|
|
}
|
|
|
|
protected void skipToNextRangeStart() {
|
|
if (currentRangeIndex < ranges.length) {
|
|
String currentRange = ranges[currentRangeIndex++];
|
|
int colonIndex = currentRange.indexOf(':');
|
|
if (colonIndex > 0) {
|
|
startUid = convertToLong(currentRange.substring(0, colonIndex));
|
|
endUid = convertToLong(currentRange.substring(colonIndex + 1));
|
|
if (endUid < startUid) {
|
|
long swap = endUid;
|
|
endUid = startUid;
|
|
startUid = swap;
|
|
}
|
|
} else if ("*".equals(currentRange)) {
|
|
startUid = endUid = messages.size();
|
|
} else {
|
|
startUid = endUid = convertToLong(currentRange);
|
|
}
|
|
while (currentIndex < messages.size() && (currentIndex + 1) < startUid) {
|
|
currentIndex++;
|
|
}
|
|
} else {
|
|
currentIndex = messages.size();
|
|
}
|
|
}
|
|
|
|
protected boolean hasNextInRange() {
|
|
return hasNextIndex() && currentIndex < endUid;
|
|
}
|
|
|
|
protected boolean hasNextIndex() {
|
|
return currentIndex < messages.size();
|
|
}
|
|
|
|
protected boolean hasNextRange() {
|
|
return currentRangeIndex < ranges.length;
|
|
}
|
|
|
|
public boolean hasNext() {
|
|
boolean hasNextInRange = hasNextInRange();
|
|
// if has next range and current index after current range end, reset index
|
|
if (hasNextRange() && !hasNextInRange) {
|
|
currentIndex = 0;
|
|
}
|
|
while (hasNextIndex() && !hasNextInRange) {
|
|
skipToNextRangeStart();
|
|
hasNextInRange = hasNextInRange();
|
|
}
|
|
return hasNextIndex();
|
|
}
|
|
|
|
public ExchangeSession.Message next() {
|
|
return messages.get(currentIndex++);
|
|
}
|
|
|
|
public void remove() {
|
|
throw new UnsupportedOperationException();
|
|
}
|
|
}
|
|
|
|
class IMAPTokenizer extends StringTokenizer {
|
|
IMAPTokenizer(String value) {
|
|
super(value);
|
|
}
|
|
|
|
@Override
|
|
public String nextToken() {
|
|
return StringUtil.removeQuotes(nextQuotedToken());
|
|
}
|
|
|
|
public String nextQuotedToken() {
|
|
StringBuilder nextToken = new StringBuilder();
|
|
nextToken.append(super.nextToken());
|
|
while (hasMoreTokens() && nextToken.length() > 0 && nextToken.charAt(0) == '"'
|
|
&& (nextToken.charAt(nextToken.length() - 1) != '"' || nextToken.length() == 1)) {
|
|
nextToken.append(' ').append(super.nextToken());
|
|
}
|
|
while (hasMoreTokens() && nextToken.length() > 0 && nextToken.charAt(0) == '('
|
|
&& nextToken.charAt(nextToken.length() - 1) != ')') {
|
|
nextToken.append(' ').append(super.nextToken());
|
|
}
|
|
while (hasMoreTokens() && nextToken.length() > 0 && nextToken.indexOf("[") != -1
|
|
&& nextToken.charAt(nextToken.length() - 1) != ']') {
|
|
nextToken.append(' ').append(super.nextToken());
|
|
}
|
|
return nextToken.toString();
|
|
}
|
|
}
|
|
|
|
public void testInvalidHeaders() throws MessagingException {
|
|
String messageHeaders = "Microsoft Mail Internet Headers Version 2.0\r\n" +
|
|
"Received: from mail.litwareinc.com ([10.54.108.101]) by mail.proseware.com with Microsoft SMTPSVC(6.0.3790.0);\r\n" +
|
|
"Wed, 12 Dec 2007 13:39:22 -0800\r\n" +
|
|
"Received: from mail ([10.54.108.23] RDNS failed) by mail.litware.com with Microsoft SMTPSVC(6.0.3790.0);\r\n" +
|
|
"Wed, 12 Dec 2007 13:38:49 -0800\r\n" +
|
|
"From: \"Kelly J. Weadock\" <kelly@litware.com>\n" +
|
|
"To: <anton@proseware.com>\n" +
|
|
"Cc: <tim@cpandl.com>\n" +
|
|
"Subject: Review of staff assignments\n" +
|
|
"Date: Wed, 12 Dec 2007 13:38:31 -0800\n" +
|
|
"MIME-Version: 1.0\n" +
|
|
"Content-Type: multipart/mixed;\n" +
|
|
"X-Mailer: Microsoft Office Outlook, Build 12.0.4210\n" +
|
|
"X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165\n" +
|
|
"Thread-Index: AcON3CInEwkfLOQsQGeK8VCv3M+ipA==\n" +
|
|
"Return-Path: kelly@litware.com\n" +
|
|
"Message-ID: <MAILbbnewS5TqCRL00000013@mail.litware.com>\n" +
|
|
"X-OriginalArrivalTime: 12 Dec 2007 21:38:50.0145 (UTC)";
|
|
final String MS_HEADER = "Microsoft Mail Internet Headers Version 2.0\r\n";
|
|
if (messageHeaders.startsWith(MS_HEADER)) {
|
|
messageHeaders = messageHeaders.substring(MS_HEADER.length());
|
|
}
|
|
Enumeration enumeration = new InternetHeaders(new ByteArrayInputStream(messageHeaders.getBytes())).getAllHeaderLines();
|
|
while (enumeration.hasMoreElements()) {
|
|
System.out.println(enumeration.nextElement());
|
|
}
|
|
|
|
}
|
|
|
|
} |