mirror of
https://github.com/moparisthebest/k-9
synced 2024-11-14 13:35:04 -05:00
1303 lines
51 KiB
Java
1303 lines
51 KiB
Java
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package com.fsck.k9.mail.store;
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import java.io.BufferedInputStream;
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import java.io.BufferedOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.io.UnsupportedEncodingException;
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import java.net.InetSocketAddress;
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import java.net.Socket;
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import java.net.SocketAddress;
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import java.net.URI;
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import java.net.URISyntaxException;
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import java.nio.ByteBuffer;
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import java.nio.CharBuffer;
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import java.nio.charset.Charset;
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import java.security.GeneralSecurityException;
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import java.security.SecureRandom;
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import java.util.ArrayList;
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import java.util.Date;
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import java.util.HashMap;
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import java.util.LinkedHashSet;
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import java.util.LinkedList;
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import java.util.List;
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import javax.net.ssl.SSLContext;
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import javax.net.ssl.TrustManager;
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import javax.net.ssl.SSLException;
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import android.util.Config;
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import android.util.Log;
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import com.fsck.k9.k9;
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import com.fsck.k9.PeekableInputStream;
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import com.fsck.k9.Utility;
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import com.fsck.k9.mail.AuthenticationFailedException;
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import com.fsck.k9.mail.FetchProfile;
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import com.fsck.k9.mail.Flag;
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import com.fsck.k9.mail.Folder;
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import com.fsck.k9.mail.Message;
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import com.fsck.k9.mail.MessageRetrievalListener;
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import com.fsck.k9.mail.MessagingException;
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import com.fsck.k9.mail.Part;
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import com.fsck.k9.mail.Store;
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import com.fsck.k9.mail.CertificateValidationException;
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import com.fsck.k9.mail.internet.MimeBodyPart;
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import com.fsck.k9.mail.internet.MimeHeader;
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import com.fsck.k9.mail.internet.MimeMessage;
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import com.fsck.k9.mail.internet.MimeMultipart;
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import com.fsck.k9.mail.internet.MimeUtility;
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import com.fsck.k9.mail.store.ImapResponseParser.ImapList;
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import com.fsck.k9.mail.store.ImapResponseParser.ImapResponse;
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import com.fsck.k9.mail.transport.CountingOutputStream;
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import com.fsck.k9.mail.transport.EOLConvertingOutputStream;
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import com.beetstra.jutf7.CharsetProvider;
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/**
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* <pre>
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* TODO Need to start keeping track of UIDVALIDITY
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* TODO Need a default response handler for things like folder updates
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* TODO In fetch(), if we need a ImapMessage and were given
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* something else we can try to do a pre-fetch first.
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*
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* ftp://ftp.isi.edu/in-notes/rfc2683.txt When a client asks for
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* certain information in a FETCH command, the server may return the requested
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* information in any order, not necessarily in the order that it was requested.
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* Further, the server may return the information in separate FETCH responses
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* and may also return information that was not explicitly requested (to reflect
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* to the client changes in the state of the subject message).
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* </pre>
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*/
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public class ImapStore extends Store {
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public static final int CONNECTION_SECURITY_NONE = 0;
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public static final int CONNECTION_SECURITY_TLS_OPTIONAL = 1;
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public static final int CONNECTION_SECURITY_TLS_REQUIRED = 2;
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public static final int CONNECTION_SECURITY_SSL_REQUIRED = 3;
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public static final int CONNECTION_SECURITY_SSL_OPTIONAL = 4;
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private static final Flag[] PERMANENT_FLAGS = { Flag.DELETED, Flag.SEEN };
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private String mHost;
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private int mPort;
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private String mUsername;
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private String mPassword;
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private int mConnectionSecurity;
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private String mPathPrefix;
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private LinkedList<ImapConnection> mConnections =
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new LinkedList<ImapConnection>();
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/**
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* Charset used for converting folder names to and from UTF-7 as defined by RFC 3501.
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*/
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private Charset mModifiedUtf7Charset;
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/**
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* Cache of ImapFolder objects. ImapFolders are attached to a given folder on the server
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* and as long as their associated connection remains open they are reusable between
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* requests. This cache lets us make sure we always reuse, if possible, for a given
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* folder name.
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*/
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private HashMap<String, ImapFolder> mFolderCache = new HashMap<String, ImapFolder>();
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/**
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* imap://user:password@server:port CONNECTION_SECURITY_NONE
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* imap+tls://user:password@server:port CONNECTION_SECURITY_TLS_OPTIONAL
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* imap+tls+://user:password@server:port CONNECTION_SECURITY_TLS_REQUIRED
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* imap+ssl+://user:password@server:port CONNECTION_SECURITY_SSL_REQUIRED
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* imap+ssl://user:password@server:port CONNECTION_SECURITY_SSL_OPTIONAL
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*
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* @param _uri
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*/
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public ImapStore(String _uri) throws MessagingException {
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URI uri;
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try {
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uri = new URI(_uri);
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} catch (URISyntaxException use) {
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throw new MessagingException("Invalid ImapStore URI", use);
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}
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String scheme = uri.getScheme();
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if (scheme.equals("imap")) {
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mConnectionSecurity = CONNECTION_SECURITY_NONE;
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mPort = 143;
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} else if (scheme.equals("imap+tls")) {
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mConnectionSecurity = CONNECTION_SECURITY_TLS_OPTIONAL;
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mPort = 143;
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} else if (scheme.equals("imap+tls+")) {
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mConnectionSecurity = CONNECTION_SECURITY_TLS_REQUIRED;
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mPort = 143;
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} else if (scheme.equals("imap+ssl+")) {
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mConnectionSecurity = CONNECTION_SECURITY_SSL_REQUIRED;
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mPort = 993;
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} else if (scheme.equals("imap+ssl")) {
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mConnectionSecurity = CONNECTION_SECURITY_SSL_OPTIONAL;
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mPort = 993;
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} else {
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throw new MessagingException("Unsupported protocol");
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}
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mHost = uri.getHost();
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if (uri.getPort() != -1) {
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mPort = uri.getPort();
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}
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if (uri.getUserInfo() != null) {
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String[] userInfoParts = uri.getUserInfo().split(":", 2);
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mUsername = userInfoParts[0];
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if (userInfoParts.length > 1) {
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mPassword = userInfoParts[1];
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}
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}
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if ((uri.getPath() != null) && (uri.getPath().length() > 0)) {
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mPathPrefix = uri.getPath().substring(1);
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}
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mModifiedUtf7Charset = new CharsetProvider().charsetForName("X-RFC-3501");
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}
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@Override
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public Folder getFolder(String name) throws MessagingException {
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ImapFolder folder;
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synchronized (mFolderCache) {
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folder = mFolderCache.get(name);
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if (folder == null) {
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folder = new ImapFolder(name);
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mFolderCache.put(name, folder);
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}
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}
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return folder;
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}
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@Override
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public Folder[] getPersonalNamespaces() throws MessagingException {
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ImapConnection connection = getConnection();
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try {
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ArrayList<Folder> folders = new ArrayList<Folder>();
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if(mPathPrefix == null){ mPathPrefix = ""; }
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List<ImapResponse> responses =
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connection.executeSimpleCommand(String.format("LIST \"\" \"%s*\"",
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mPathPrefix));
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for (ImapResponse response : responses) {
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if (response.get(0).equals("LIST")) {
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boolean includeFolder = true;
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String folder = decodeFolderName(response.getString(3));
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if (folder.equalsIgnoreCase(k9.INBOX)) {
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continue;
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}else{
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if(mPathPrefix.length() > 0){
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if(folder.length() >= mPathPrefix.length() + 1){
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folder = folder.substring(mPathPrefix.length() + 1);
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}
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}
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}
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ImapList attributes = response.getList(1);
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for (int i = 0, count = attributes.size(); i < count; i++) {
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String attribute = attributes.getString(i);
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if (attribute.equalsIgnoreCase("\\NoSelect")) {
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includeFolder = false;
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}
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}
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if (includeFolder) {
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folders.add(getFolder(folder));
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}
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}
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}
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folders.add(getFolder("INBOX"));
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return folders.toArray(new Folder[] {});
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} catch (IOException ioe) {
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connection.close();
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throw new MessagingException("Unable to get folder list.", ioe);
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} finally {
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releaseConnection(connection);
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}
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}
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@Override
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public void checkSettings() throws MessagingException {
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try {
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ImapConnection connection = new ImapConnection();
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connection.open();
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connection.close();
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}
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catch (IOException ioe) {
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throw new MessagingException("Unable to connect.", ioe);
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}
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}
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/**
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* Gets a connection if one is available for reuse, or creates a new one if not.
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* @return
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*/
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private ImapConnection getConnection() throws MessagingException {
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synchronized (mConnections) {
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ImapConnection connection = null;
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while ((connection = mConnections.poll()) != null) {
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try {
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connection.executeSimpleCommand("NOOP");
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break;
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}
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catch (IOException ioe) {
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connection.close();
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}
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}
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if (connection == null) {
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connection = new ImapConnection();
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}
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return connection;
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}
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}
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private void releaseConnection(ImapConnection connection) {
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mConnections.offer(connection);
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}
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private String encodeFolderName(String name) {
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try {
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ByteBuffer bb = mModifiedUtf7Charset.encode(name);
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byte[] b = new byte[bb.limit()];
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bb.get(b);
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return new String(b, "US-ASCII");
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}
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catch (UnsupportedEncodingException uee) {
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/*
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* The only thing that can throw this is getBytes("US-ASCII") and if US-ASCII doesn't
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* exist we're totally screwed.
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*/
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throw new RuntimeException("Unable to encode folder name: " + name, uee);
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}
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}
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private String decodeFolderName(String name) {
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/*
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* Convert the encoded name to US-ASCII, then pass it through the modified UTF-7
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* decoder and return the Unicode String.
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*/
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try {
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byte[] encoded = name.getBytes("US-ASCII");
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CharBuffer cb = mModifiedUtf7Charset.decode(ByteBuffer.wrap(encoded));
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return cb.toString();
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}
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catch (UnsupportedEncodingException uee) {
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/*
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* The only thing that can throw this is getBytes("US-ASCII") and if US-ASCII doesn't
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* exist we're totally screwed.
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*/
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throw new RuntimeException("Unable to decode folder name: " + name, uee);
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}
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}
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class ImapFolder extends Folder {
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private String mName;
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private int mMessageCount = -1;
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private ImapConnection mConnection;
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private OpenMode mMode;
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private boolean mExists;
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public ImapFolder(String name) {
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this.mName = name;
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}
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public String getPrefixedName() {
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String prefixedName = "";
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if(mPathPrefix.length() > 0 && !mName.equalsIgnoreCase(k9.INBOX)){
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prefixedName += mPathPrefix + ".";
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}
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prefixedName += mName;
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return prefixedName;
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}
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public void open(OpenMode mode) throws MessagingException {
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if (isOpen() && mMode == mode) {
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// Make sure the connection is valid. If it's not we'll close it down and continue
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// on to get a new one.
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try {
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mConnection.executeSimpleCommand("NOOP");
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return;
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}
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catch (IOException ioe) {
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ioExceptionHandler(mConnection, ioe);
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}
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}
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synchronized (this) {
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mConnection = getConnection();
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}
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// * FLAGS (\Answered \Flagged \Deleted \Seen \Draft NonJunk
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// $MDNSent)
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// * OK [PERMANENTFLAGS (\Answered \Flagged \Deleted \Seen \Draft
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// NonJunk $MDNSent \*)] Flags permitted.
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// * 23 EXISTS
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// * 0 RECENT
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// * OK [UIDVALIDITY 1125022061] UIDs valid
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// * OK [UIDNEXT 57576] Predicted next UID
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// 2 OK [READ-WRITE] Select completed.
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try {
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List<ImapResponse> responses = mConnection.executeSimpleCommand(
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String.format("SELECT \"%s\"",
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encodeFolderName(getPrefixedName())));
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/*
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* If the command succeeds we expect the folder has been opened read-write
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* unless we are notified otherwise in the responses.
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*/
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mMode = OpenMode.READ_WRITE;
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for (ImapResponse response : responses) {
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if (response.mTag == null && response.get(1).equals("EXISTS")) {
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mMessageCount = response.getNumber(0);
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}
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else if (response.mTag != null && response.size() >= 2) {
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if ("[READ-ONLY]".equalsIgnoreCase(response.getString(1))) {
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mMode = OpenMode.READ_ONLY;
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}
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else if ("[READ-WRITE]".equalsIgnoreCase(response.getString(1))) {
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mMode = OpenMode.READ_WRITE;
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}
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}
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}
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if (mMessageCount == -1) {
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throw new MessagingException(
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"Did not find message count during select");
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}
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mExists = true;
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} catch (IOException ioe) {
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throw ioExceptionHandler(mConnection, ioe);
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}
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}
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public boolean isOpen() {
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return mConnection != null;
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}
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@Override
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public OpenMode getMode() throws MessagingException {
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return mMode;
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}
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public void close(boolean expunge) {
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if (!isOpen()) {
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return;
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}
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// TODO implement expunge
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mMessageCount = -1;
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synchronized (this) {
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releaseConnection(mConnection);
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mConnection = null;
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}
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}
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public String getName() {
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return mName;
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}
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public boolean exists() throws MessagingException {
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if (mExists) {
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return true;
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}
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/*
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* This method needs to operate in the unselected mode as well as the selected mode
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* so we must get the connection ourselves if it's not there. We are specifically
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* not calling checkOpen() since we don't care if the folder is open.
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*/
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ImapConnection connection = null;
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synchronized(this) {
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if (mConnection == null) {
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connection = getConnection();
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}
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else {
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connection = mConnection;
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}
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}
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try {
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connection.executeSimpleCommand(String.format("STATUS \"%s\" (UIDVALIDITY)",
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encodeFolderName(getPrefixedName())));
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mExists = true;
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return true;
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}
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catch (MessagingException me) {
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return false;
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}
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catch (IOException ioe) {
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throw ioExceptionHandler(connection, ioe);
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}
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finally {
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if (mConnection == null) {
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releaseConnection(connection);
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}
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}
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}
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public boolean create(FolderType type) throws MessagingException {
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/*
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* This method needs to operate in the unselected mode as well as the selected mode
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* so we must get the connection ourselves if it's not there. We are specifically
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* not calling checkOpen() since we don't care if the folder is open.
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*/
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ImapConnection connection = null;
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synchronized(this) {
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if (mConnection == null) {
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connection = getConnection();
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}
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else {
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connection = mConnection;
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}
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}
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try {
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connection.executeSimpleCommand(String.format("CREATE \"%s\"",
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encodeFolderName(getPrefixedName())));
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return true;
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}
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catch (MessagingException me) {
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return false;
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}
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catch (IOException ioe) {
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throw ioExceptionHandler(mConnection, ioe);
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}
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finally {
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if (mConnection == null) {
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releaseConnection(connection);
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}
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}
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}
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@Override
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public void copyMessages(Message[] messages, Folder folder) throws MessagingException {
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checkOpen();
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String[] uids = new String[messages.length];
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for (int i = 0, count = messages.length; i < count; i++) {
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uids[i] = messages[i].getUid();
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}
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try {
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mConnection.executeSimpleCommand(String.format("UID COPY %s \"%s\"",
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Utility.combine(uids, ','),
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encodeFolderName(folder.getName())));
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}
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catch (IOException ioe) {
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throw ioExceptionHandler(mConnection, ioe);
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}
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}
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@Override
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public int getMessageCount() {
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return mMessageCount;
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}
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@Override
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public int getUnreadMessageCount() throws MessagingException {
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checkOpen();
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try {
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int unreadMessageCount = 0;
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List<ImapResponse> responses = mConnection.executeSimpleCommand(
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String.format("STATUS \"%s\" (UNSEEN)",
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encodeFolderName(getPrefixedName())));
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for (ImapResponse response : responses) {
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if (response.mTag == null && response.get(0).equals("STATUS")) {
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ImapList status = response.getList(2);
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unreadMessageCount = status.getKeyedNumber("UNSEEN");
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}
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}
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return unreadMessageCount;
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}
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catch (IOException ioe) {
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throw ioExceptionHandler(mConnection, ioe);
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}
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}
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@Override
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public void delete(boolean recurse) throws MessagingException {
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throw new Error("ImapStore.delete() not yet implemented");
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}
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@Override
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public Message getMessage(String uid) throws MessagingException {
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checkOpen();
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try {
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try {
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List<ImapResponse> responses =
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mConnection.executeSimpleCommand(String.format("UID SEARCH UID %S", uid));
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for (ImapResponse response : responses) {
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if (response.mTag == null && response.get(0).equals("SEARCH")) {
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for (int i = 1, count = response.size(); i < count; i++) {
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|
if (uid.equals(response.get(i))) {
|
|
return new ImapMessage(uid, this);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
catch (MessagingException me) {
|
|
return null;
|
|
}
|
|
}
|
|
catch (IOException ioe) {
|
|
throw ioExceptionHandler(mConnection, ioe);
|
|
}
|
|
return null;
|
|
}
|
|
|
|
@Override
|
|
public Message[] getMessages(int start, int end, MessageRetrievalListener listener)
|
|
throws MessagingException {
|
|
if (start < 1 || end < 1 || end < start) {
|
|
throw new MessagingException(
|
|
String.format("Invalid message set %d %d",
|
|
start, end));
|
|
}
|
|
checkOpen();
|
|
ArrayList<Message> messages = new ArrayList<Message>();
|
|
try {
|
|
ArrayList<String> uids = new ArrayList<String>();
|
|
List<ImapResponse> responses = mConnection
|
|
.executeSimpleCommand(String.format("UID SEARCH %d:%d NOT DELETED", start, end));
|
|
for (ImapResponse response : responses) {
|
|
if (response.get(0).equals("SEARCH")) {
|
|
for (int i = 1, count = response.size(); i < count; i++) {
|
|
uids.add(response.getString(i));
|
|
}
|
|
}
|
|
}
|
|
for (int i = 0, count = uids.size(); i < count; i++) {
|
|
if (listener != null) {
|
|
listener.messageStarted(uids.get(i), i, count);
|
|
}
|
|
ImapMessage message = new ImapMessage(uids.get(i), this);
|
|
messages.add(message);
|
|
if (listener != null) {
|
|
listener.messageFinished(message, i, count);
|
|
}
|
|
}
|
|
} catch (IOException ioe) {
|
|
throw ioExceptionHandler(mConnection, ioe);
|
|
}
|
|
return messages.toArray(new Message[] {});
|
|
}
|
|
|
|
public Message[] getMessages(MessageRetrievalListener listener) throws MessagingException {
|
|
return getMessages(null, listener);
|
|
}
|
|
|
|
public Message[] getMessages(String[] uids, MessageRetrievalListener listener)
|
|
throws MessagingException {
|
|
checkOpen();
|
|
ArrayList<Message> messages = new ArrayList<Message>();
|
|
try {
|
|
if (uids == null) {
|
|
List<ImapResponse> responses = mConnection
|
|
.executeSimpleCommand("UID SEARCH 1:* NOT DELETED");
|
|
ArrayList<String> tempUids = new ArrayList<String>();
|
|
for (ImapResponse response : responses) {
|
|
if (response.get(0).equals("SEARCH")) {
|
|
for (int i = 1, count = response.size(); i < count; i++) {
|
|
tempUids.add(response.getString(i));
|
|
}
|
|
}
|
|
}
|
|
uids = tempUids.toArray(new String[] {});
|
|
}
|
|
for (int i = 0, count = uids.length; i < count; i++) {
|
|
if (listener != null) {
|
|
listener.messageStarted(uids[i], i, count);
|
|
}
|
|
ImapMessage message = new ImapMessage(uids[i], this);
|
|
messages.add(message);
|
|
if (listener != null) {
|
|
listener.messageFinished(message, i, count);
|
|
}
|
|
}
|
|
} catch (IOException ioe) {
|
|
throw ioExceptionHandler(mConnection, ioe);
|
|
}
|
|
return messages.toArray(new Message[] {});
|
|
}
|
|
|
|
public void fetch(Message[] messages, FetchProfile fp, MessageRetrievalListener listener)
|
|
throws MessagingException {
|
|
if (messages == null || messages.length == 0) {
|
|
return;
|
|
}
|
|
checkOpen();
|
|
String[] uids = new String[messages.length];
|
|
HashMap<String, Message> messageMap = new HashMap<String, Message>();
|
|
for (int i = 0, count = messages.length; i < count; i++) {
|
|
uids[i] = messages[i].getUid();
|
|
messageMap.put(uids[i], messages[i]);
|
|
}
|
|
|
|
/*
|
|
* Figure out what command we are going to run:
|
|
* Flags - UID FETCH (FLAGS)
|
|
* Envelope - UID FETCH ([FLAGS] INTERNALDATE UID RFC822.SIZE FLAGS BODY.PEEK[HEADER.FIELDS (date subject from content-type to cc)])
|
|
*
|
|
*/
|
|
LinkedHashSet<String> fetchFields = new LinkedHashSet<String>();
|
|
fetchFields.add("UID");
|
|
if (fp.contains(FetchProfile.Item.FLAGS)) {
|
|
fetchFields.add("FLAGS");
|
|
}
|
|
if (fp.contains(FetchProfile.Item.ENVELOPE)) {
|
|
fetchFields.add("INTERNALDATE");
|
|
fetchFields.add("RFC822.SIZE");
|
|
fetchFields.add("BODY.PEEK[HEADER.FIELDS (date subject from content-type to cc)]");
|
|
}
|
|
if (fp.contains(FetchProfile.Item.STRUCTURE)) {
|
|
fetchFields.add("BODYSTRUCTURE");
|
|
}
|
|
if (fp.contains(FetchProfile.Item.BODY_SANE)) {
|
|
fetchFields.add(String.format("BODY.PEEK[]<0.%d>", FETCH_BODY_SANE_SUGGESTED_SIZE));
|
|
}
|
|
if (fp.contains(FetchProfile.Item.BODY)) {
|
|
fetchFields.add("BODY.PEEK[]");
|
|
}
|
|
for (Object o : fp) {
|
|
if (o instanceof Part) {
|
|
Part part = (Part) o;
|
|
String partId = part.getHeader(MimeHeader.HEADER_ANDROID_ATTACHMENT_STORE_DATA)[0];
|
|
fetchFields.add("BODY.PEEK[" + partId + "]");
|
|
}
|
|
}
|
|
|
|
try {
|
|
String tag = mConnection.sendCommand(String.format("UID FETCH %s (%s)",
|
|
Utility.combine(uids, ','),
|
|
Utility.combine(fetchFields.toArray(new String[fetchFields.size()]), ' ')
|
|
), false);
|
|
ImapResponse response;
|
|
int messageNumber = 0;
|
|
do {
|
|
response = mConnection.readResponse();
|
|
|
|
if (response.mTag == null && response.get(1).equals("FETCH")) {
|
|
ImapList fetchList = (ImapList)response.getKeyedValue("FETCH");
|
|
String uid = fetchList.getKeyedString("UID");
|
|
|
|
Message message = messageMap.get(uid);
|
|
|
|
if (listener != null) {
|
|
listener.messageStarted(uid, messageNumber++, messageMap.size());
|
|
}
|
|
|
|
if (fp.contains(FetchProfile.Item.FLAGS)) {
|
|
ImapList flags = fetchList.getKeyedList("FLAGS");
|
|
ImapMessage imapMessage = (ImapMessage) message;
|
|
if (flags != null) {
|
|
for (int i = 0, count = flags.size(); i < count; i++) {
|
|
String flag = flags.getString(i);
|
|
if (flag.equals("\\Deleted")) {
|
|
imapMessage.setFlagInternal(Flag.DELETED, true);
|
|
}
|
|
else if (flag.equals("\\Answered")) {
|
|
imapMessage.setFlagInternal(Flag.ANSWERED, true);
|
|
}
|
|
else if (flag.equals("\\Seen")) {
|
|
imapMessage.setFlagInternal(Flag.SEEN, true);
|
|
}
|
|
else if (flag.equals("\\Flagged")) {
|
|
imapMessage.setFlagInternal(Flag.FLAGGED, true);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (fp.contains(FetchProfile.Item.ENVELOPE)) {
|
|
Date internalDate = fetchList.getKeyedDate("INTERNALDATE");
|
|
int size = fetchList.getKeyedNumber("RFC822.SIZE");
|
|
InputStream headerStream = fetchList.getLiteral(fetchList.size() - 1);
|
|
|
|
ImapMessage imapMessage = (ImapMessage) message;
|
|
|
|
message.setInternalDate(internalDate);
|
|
imapMessage.setSize(size);
|
|
imapMessage.parse(headerStream);
|
|
}
|
|
if (fp.contains(FetchProfile.Item.STRUCTURE)) {
|
|
ImapList bs = fetchList.getKeyedList("BODYSTRUCTURE");
|
|
if (bs != null) {
|
|
try {
|
|
parseBodyStructure(bs, message, "TEXT");
|
|
}
|
|
catch (MessagingException e) {
|
|
if (Config.LOGV) {
|
|
Log.v(k9.LOG_TAG, "Error handling message", e);
|
|
}
|
|
message.setBody(null);
|
|
}
|
|
}
|
|
}
|
|
if (fp.contains(FetchProfile.Item.BODY)) {
|
|
InputStream bodyStream = fetchList.getLiteral(fetchList.size() - 1);
|
|
ImapMessage imapMessage = (ImapMessage) message;
|
|
imapMessage.parse(bodyStream);
|
|
}
|
|
if (fp.contains(FetchProfile.Item.BODY_SANE)) {
|
|
InputStream bodyStream = fetchList.getLiteral(fetchList.size() - 1);
|
|
ImapMessage imapMessage = (ImapMessage) message;
|
|
imapMessage.parse(bodyStream);
|
|
}
|
|
for (Object o : fp) {
|
|
if (o instanceof Part) {
|
|
Part part = (Part) o;
|
|
InputStream bodyStream = fetchList.getLiteral(fetchList.size() - 1);
|
|
String contentType = part.getContentType();
|
|
String contentTransferEncoding = part.getHeader(
|
|
MimeHeader.HEADER_CONTENT_TRANSFER_ENCODING)[0];
|
|
part.setBody(MimeUtility.decodeBody(
|
|
bodyStream,
|
|
contentTransferEncoding));
|
|
}
|
|
}
|
|
|
|
if (listener != null) {
|
|
listener.messageFinished(message, messageNumber, messageMap.size());
|
|
}
|
|
}
|
|
|
|
while (response.more());
|
|
|
|
} while (response.mTag == null);
|
|
}
|
|
catch (IOException ioe) {
|
|
throw ioExceptionHandler(mConnection, ioe);
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public Flag[] getPermanentFlags() throws MessagingException {
|
|
return PERMANENT_FLAGS;
|
|
}
|
|
|
|
/**
|
|
* Handle any untagged responses that the caller doesn't care to handle themselves.
|
|
* @param responses
|
|
*/
|
|
private void handleUntaggedResponses(List<ImapResponse> responses) {
|
|
for (ImapResponse response : responses) {
|
|
handleUntaggedResponse(response);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Handle an untagged response that the caller doesn't care to handle themselves.
|
|
* @param response
|
|
*/
|
|
private void handleUntaggedResponse(ImapResponse response) {
|
|
if (response.mTag == null && response.get(1).equals("EXISTS")) {
|
|
mMessageCount = response.getNumber(0);
|
|
}
|
|
}
|
|
|
|
private void parseBodyStructure(ImapList bs, Part part, String id)
|
|
throws MessagingException {
|
|
if (bs.get(0) instanceof ImapList) {
|
|
/*
|
|
* This is a multipart/*
|
|
*/
|
|
MimeMultipart mp = new MimeMultipart();
|
|
for (int i = 0, count = bs.size(); i < count; i++) {
|
|
if (bs.get(i) instanceof ImapList) {
|
|
/*
|
|
* For each part in the message we're going to add a new BodyPart and parse
|
|
* into it.
|
|
*/
|
|
ImapBodyPart bp = new ImapBodyPart();
|
|
if (id.equals("TEXT")) {
|
|
parseBodyStructure(bs.getList(i), bp, Integer.toString(i + 1));
|
|
}
|
|
else {
|
|
parseBodyStructure(bs.getList(i), bp, id + "." + (i + 1));
|
|
}
|
|
mp.addBodyPart(bp);
|
|
}
|
|
else {
|
|
/*
|
|
* We've got to the end of the children of the part, so now we can find out
|
|
* what type it is and bail out.
|
|
*/
|
|
String subType = bs.getString(i);
|
|
mp.setSubType(subType.toLowerCase());
|
|
break;
|
|
}
|
|
}
|
|
part.setBody(mp);
|
|
}
|
|
else{
|
|
/*
|
|
* This is a body. We need to add as much information as we can find out about
|
|
* it to the Part.
|
|
*/
|
|
|
|
/*
|
|
body type
|
|
body subtype
|
|
body parameter parenthesized list
|
|
body id
|
|
body description
|
|
body encoding
|
|
body size
|
|
*/
|
|
|
|
|
|
String type = bs.getString(0);
|
|
String subType = bs.getString(1);
|
|
String mimeType = (type + "/" + subType).toLowerCase();
|
|
|
|
ImapList bodyParams = null;
|
|
if (bs.get(2) instanceof ImapList) {
|
|
bodyParams = bs.getList(2);
|
|
}
|
|
String encoding = bs.getString(5);
|
|
int size = bs.getNumber(6);
|
|
|
|
if (MimeUtility.mimeTypeMatches(mimeType, "message/rfc822")) {
|
|
// A body type of type MESSAGE and subtype RFC822
|
|
// contains, immediately after the basic fields, the
|
|
// envelope structure, body structure, and size in
|
|
// text lines of the encapsulated message.
|
|
// [MESSAGE, RFC822, [NAME, Fwd: [#HTR-517941]: update plans at 1am Friday - Memory allocation - displayware.eml], NIL, NIL, 7BIT, 5974, NIL, [INLINE, [FILENAME*0, Fwd: [#HTR-517941]: update plans at 1am Friday - Memory all, FILENAME*1, ocation - displayware.eml]], NIL]
|
|
/*
|
|
* This will be caught by fetch and handled appropriately.
|
|
*/
|
|
throw new MessagingException("BODYSTRUCTURE message/rfc822 not yet supported.");
|
|
}
|
|
|
|
/*
|
|
* Set the content type with as much information as we know right now.
|
|
*/
|
|
String contentType = String.format("%s", mimeType);
|
|
|
|
if (bodyParams != null) {
|
|
/*
|
|
* If there are body params we might be able to get some more information out
|
|
* of them.
|
|
*/
|
|
for (int i = 0, count = bodyParams.size(); i < count; i += 2) {
|
|
contentType += String.format(";\n %s=\"%s\"",
|
|
bodyParams.getString(i),
|
|
bodyParams.getString(i + 1));
|
|
}
|
|
}
|
|
|
|
part.setHeader(MimeHeader.HEADER_CONTENT_TYPE, contentType);
|
|
|
|
// Extension items
|
|
ImapList bodyDisposition = null;
|
|
if (("text".equalsIgnoreCase(type))
|
|
&& (bs.size() > 8)
|
|
&& (bs.get(9) instanceof ImapList)) {
|
|
bodyDisposition = bs.getList(9);
|
|
}
|
|
else if (!("text".equalsIgnoreCase(type))
|
|
&& (bs.size() > 7)
|
|
&& (bs.get(8) instanceof ImapList)) {
|
|
bodyDisposition = bs.getList(8);
|
|
}
|
|
|
|
String contentDisposition = "";
|
|
|
|
if (bodyDisposition != null && bodyDisposition.size() > 0) {
|
|
if (!"NIL".equalsIgnoreCase(bodyDisposition.getString(0))) {
|
|
contentDisposition = bodyDisposition.getString(0).toLowerCase();
|
|
}
|
|
|
|
if ((bodyDisposition.size() > 1)
|
|
&& (bodyDisposition.get(1) instanceof ImapList)) {
|
|
ImapList bodyDispositionParams = bodyDisposition.getList(1);
|
|
/*
|
|
* If there is body disposition information we can pull some more information
|
|
* about the attachment out.
|
|
*/
|
|
for (int i = 0, count = bodyDispositionParams.size(); i < count; i += 2) {
|
|
contentDisposition += String.format(";\n %s=\"%s\"",
|
|
bodyDispositionParams.getString(i).toLowerCase(),
|
|
bodyDispositionParams.getString(i + 1));
|
|
}
|
|
}
|
|
}
|
|
|
|
if (MimeUtility.getHeaderParameter(contentDisposition, "size") == null) {
|
|
contentDisposition += String.format(";\n size=%d", size);
|
|
}
|
|
|
|
/*
|
|
* Set the content disposition containing at least the size. Attachment
|
|
* handling code will use this down the road.
|
|
*/
|
|
part.setHeader(MimeHeader.HEADER_CONTENT_DISPOSITION, contentDisposition);
|
|
|
|
|
|
/*
|
|
* Set the Content-Transfer-Encoding header. Attachment code will use this
|
|
* to parse the body.
|
|
*/
|
|
part.setHeader(MimeHeader.HEADER_CONTENT_TRANSFER_ENCODING, encoding);
|
|
|
|
if (part instanceof ImapMessage) {
|
|
((ImapMessage) part).setSize(size);
|
|
}
|
|
else if (part instanceof ImapBodyPart) {
|
|
((ImapBodyPart) part).setSize(size);
|
|
}
|
|
else {
|
|
throw new MessagingException("Unknown part type " + part.toString());
|
|
}
|
|
part.setHeader(MimeHeader.HEADER_ANDROID_ATTACHMENT_STORE_DATA, id);
|
|
}
|
|
|
|
}
|
|
|
|
/**
|
|
* Appends the given messages to the selected folder. This implementation also determines
|
|
* the new UID of the given message on the IMAP server and sets the Message's UID to the
|
|
* new server UID.
|
|
*/
|
|
public void appendMessages(Message[] messages) throws MessagingException {
|
|
checkOpen();
|
|
try {
|
|
for (Message message : messages) {
|
|
CountingOutputStream out = new CountingOutputStream();
|
|
EOLConvertingOutputStream eolOut = new EOLConvertingOutputStream(out);
|
|
message.writeTo(eolOut);
|
|
eolOut.flush();
|
|
mConnection.sendCommand(
|
|
String.format("APPEND \"%s\" {%d}",
|
|
encodeFolderName(getPrefixedName()),
|
|
out.getCount()), false);
|
|
ImapResponse response;
|
|
do {
|
|
response = mConnection.readResponse();
|
|
if (response.mCommandContinuationRequested) {
|
|
eolOut = new EOLConvertingOutputStream(mConnection.mOut);
|
|
message.writeTo(eolOut);
|
|
eolOut.write('\r');
|
|
eolOut.write('\n');
|
|
eolOut.flush();
|
|
}
|
|
else if (response.mTag == null) {
|
|
handleUntaggedResponse(response);
|
|
}
|
|
while (response.more());
|
|
} while(response.mTag == null);
|
|
|
|
/*
|
|
* Try to find the UID of the message we just appended using the
|
|
* Message-ID header.
|
|
*/
|
|
String[] messageIdHeader = message.getHeader("Message-ID");
|
|
if (messageIdHeader == null || messageIdHeader.length == 0) {
|
|
continue;
|
|
}
|
|
String messageId = messageIdHeader[0];
|
|
List<ImapResponse> responses =
|
|
mConnection.executeSimpleCommand(
|
|
String.format("UID SEARCH (HEADER MESSAGE-ID %s)", messageId));
|
|
for (ImapResponse response1 : responses) {
|
|
if (response1.mTag == null && response1.get(0).equals("SEARCH")
|
|
&& response1.size() > 1) {
|
|
message.setUid(response1.getString(1));
|
|
}
|
|
}
|
|
|
|
}
|
|
}
|
|
catch (IOException ioe) {
|
|
throw ioExceptionHandler(mConnection, ioe);
|
|
}
|
|
}
|
|
|
|
public Message[] expunge() throws MessagingException {
|
|
checkOpen();
|
|
try {
|
|
handleUntaggedResponses(mConnection.executeSimpleCommand("EXPUNGE"));
|
|
} catch (IOException ioe) {
|
|
throw ioExceptionHandler(mConnection, ioe);
|
|
}
|
|
return null;
|
|
}
|
|
|
|
public void setFlags(Message[] messages, Flag[] flags, boolean value)
|
|
throws MessagingException {
|
|
checkOpen();
|
|
String[] uids = new String[messages.length];
|
|
for (int i = 0, count = messages.length; i < count; i++) {
|
|
uids[i] = messages[i].getUid();
|
|
}
|
|
ArrayList<String> flagNames = new ArrayList<String>();
|
|
for (int i = 0, count = flags.length; i < count; i++) {
|
|
Flag flag = flags[i];
|
|
if (flag == Flag.SEEN) {
|
|
flagNames.add("\\Seen");
|
|
}
|
|
else if (flag == Flag.DELETED) {
|
|
flagNames.add("\\Deleted");
|
|
}
|
|
}
|
|
try {
|
|
mConnection.executeSimpleCommand(String.format("UID STORE %s %sFLAGS.SILENT (%s)",
|
|
Utility.combine(uids, ','),
|
|
value ? "+" : "-",
|
|
Utility.combine(flagNames.toArray(new String[flagNames.size()]), ' ')));
|
|
}
|
|
catch (IOException ioe) {
|
|
throw ioExceptionHandler(mConnection, ioe);
|
|
}
|
|
}
|
|
|
|
private void checkOpen() throws MessagingException {
|
|
if (!isOpen()) {
|
|
throw new MessagingException("Folder " + getPrefixedName() + " is not open.");
|
|
}
|
|
}
|
|
|
|
private MessagingException ioExceptionHandler(ImapConnection connection, IOException ioe)
|
|
throws MessagingException {
|
|
connection.close();
|
|
close(false);
|
|
return new MessagingException("IO Error", ioe);
|
|
}
|
|
|
|
@Override
|
|
public boolean equals(Object o) {
|
|
if (o instanceof ImapFolder) {
|
|
return ((ImapFolder)o).getPrefixedName().equals(getPrefixedName());
|
|
}
|
|
return super.equals(o);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* A cacheable class that stores the details for a single IMAP connection.
|
|
*/
|
|
class ImapConnection {
|
|
private Socket mSocket;
|
|
private PeekableInputStream mIn;
|
|
private OutputStream mOut;
|
|
private ImapResponseParser mParser;
|
|
private int mNextCommandTag;
|
|
|
|
public void open() throws IOException, MessagingException {
|
|
if (isOpen()) {
|
|
return;
|
|
}
|
|
|
|
mNextCommandTag = 1;
|
|
|
|
try {
|
|
SocketAddress socketAddress = new InetSocketAddress(mHost, mPort);
|
|
if (mConnectionSecurity == CONNECTION_SECURITY_SSL_REQUIRED ||
|
|
mConnectionSecurity == CONNECTION_SECURITY_SSL_OPTIONAL) {
|
|
SSLContext sslContext = SSLContext.getInstance("TLS");
|
|
final boolean secure = mConnectionSecurity == CONNECTION_SECURITY_SSL_REQUIRED;
|
|
sslContext.init(null, new TrustManager[] {
|
|
TrustManagerFactory.get(mHost, secure)
|
|
}, new SecureRandom());
|
|
mSocket = sslContext.getSocketFactory().createSocket();
|
|
mSocket.connect(socketAddress, SOCKET_CONNECT_TIMEOUT);
|
|
} else {
|
|
mSocket = new Socket();
|
|
mSocket.connect(socketAddress, SOCKET_CONNECT_TIMEOUT);
|
|
}
|
|
|
|
mSocket.setSoTimeout(Store.SOCKET_READ_TIMEOUT);
|
|
|
|
mIn = new PeekableInputStream(new BufferedInputStream(mSocket.getInputStream(),
|
|
1024));
|
|
mParser = new ImapResponseParser(mIn);
|
|
mOut = mSocket.getOutputStream();
|
|
|
|
// BANNER
|
|
mParser.readResponse();
|
|
|
|
if (mConnectionSecurity == CONNECTION_SECURITY_TLS_OPTIONAL
|
|
|| mConnectionSecurity == CONNECTION_SECURITY_TLS_REQUIRED) {
|
|
// CAPABILITY
|
|
List<ImapResponse> responses = executeSimpleCommand("CAPABILITY");
|
|
if (responses.size() != 2) {
|
|
throw new MessagingException("Invalid CAPABILITY response received");
|
|
}
|
|
if (responses.get(0).contains("STARTTLS")) {
|
|
// STARTTLS
|
|
executeSimpleCommand("STARTTLS");
|
|
|
|
SSLContext sslContext = SSLContext.getInstance("TLS");
|
|
boolean secure = mConnectionSecurity == CONNECTION_SECURITY_TLS_REQUIRED;
|
|
sslContext.init(null, new TrustManager[] {
|
|
TrustManagerFactory.get(mHost, secure)
|
|
}, new SecureRandom());
|
|
mSocket = sslContext.getSocketFactory().createSocket(mSocket, mHost, mPort,
|
|
true);
|
|
mSocket.setSoTimeout(Store.SOCKET_READ_TIMEOUT);
|
|
mIn = new PeekableInputStream(new BufferedInputStream(mSocket
|
|
.getInputStream(), 1024));
|
|
mParser = new ImapResponseParser(mIn);
|
|
mOut = mSocket.getOutputStream();
|
|
} else if (mConnectionSecurity == CONNECTION_SECURITY_TLS_REQUIRED) {
|
|
throw new MessagingException("TLS not supported but required");
|
|
}
|
|
}
|
|
|
|
mOut = new BufferedOutputStream(mOut);
|
|
|
|
try {
|
|
// TODO eventually we need to add additional authentication
|
|
// options such as SASL
|
|
executeSimpleCommand("LOGIN " + mUsername + " " + mPassword, true);
|
|
} catch (ImapException ie) {
|
|
throw new AuthenticationFailedException(ie.getAlertText(), ie);
|
|
|
|
} catch (MessagingException me) {
|
|
throw new AuthenticationFailedException(null, me);
|
|
}
|
|
} catch (SSLException e) {
|
|
throw new CertificateValidationException(e.getMessage(), e);
|
|
} catch (GeneralSecurityException gse) {
|
|
throw new MessagingException(
|
|
"Unable to open connection to IMAP server due to security error.", gse);
|
|
}
|
|
}
|
|
|
|
public boolean isOpen() {
|
|
return (mIn != null && mOut != null && mSocket != null && mSocket.isConnected() && !mSocket
|
|
.isClosed());
|
|
}
|
|
|
|
public void close() {
|
|
// if (isOpen()) {
|
|
// try {
|
|
// executeSimpleCommand("LOGOUT");
|
|
// } catch (Exception e) {
|
|
//
|
|
// }
|
|
// }
|
|
try {
|
|
mIn.close();
|
|
} catch (Exception e) {
|
|
|
|
}
|
|
try {
|
|
mOut.close();
|
|
} catch (Exception e) {
|
|
|
|
}
|
|
try {
|
|
mSocket.close();
|
|
} catch (Exception e) {
|
|
|
|
}
|
|
mIn = null;
|
|
mOut = null;
|
|
mSocket = null;
|
|
}
|
|
|
|
public ImapResponse readResponse() throws IOException, MessagingException {
|
|
return mParser.readResponse();
|
|
}
|
|
|
|
public String sendCommand(String command, boolean sensitive)
|
|
throws MessagingException, IOException {
|
|
open();
|
|
String tag = Integer.toString(mNextCommandTag++);
|
|
String commandToSend = tag + " " + command;
|
|
mOut.write(commandToSend.getBytes());
|
|
mOut.write('\r');
|
|
mOut.write('\n');
|
|
mOut.flush();
|
|
if (Config.LOGD) {
|
|
if (k9.DEBUG) {
|
|
if (sensitive && !k9.DEBUG_SENSITIVE) {
|
|
Log.d(k9.LOG_TAG, ">>> "
|
|
+ "[Command Hidden, Enable Sensitive Debug Logging To Show]");
|
|
} else {
|
|
Log.d(k9.LOG_TAG, ">>> " + commandToSend);
|
|
}
|
|
}
|
|
}
|
|
return tag;
|
|
}
|
|
|
|
public List<ImapResponse> executeSimpleCommand(String command) throws IOException,
|
|
ImapException, MessagingException {
|
|
return executeSimpleCommand(command, false);
|
|
}
|
|
|
|
public List<ImapResponse> executeSimpleCommand(String command, boolean sensitive)
|
|
throws IOException, ImapException, MessagingException {
|
|
String tag = sendCommand(command, sensitive);
|
|
ArrayList<ImapResponse> responses = new ArrayList<ImapResponse>();
|
|
ImapResponse response;
|
|
do {
|
|
response = mParser.readResponse();
|
|
responses.add(response);
|
|
} while (response.mTag == null);
|
|
if (response.size() < 1 || !response.get(0).equals("OK")) {
|
|
throw new ImapException(response.toString(), response.getAlertText());
|
|
}
|
|
return responses;
|
|
}
|
|
}
|
|
|
|
class ImapMessage extends MimeMessage {
|
|
ImapMessage(String uid, Folder folder) throws MessagingException {
|
|
this.mUid = uid;
|
|
this.mFolder = folder;
|
|
}
|
|
|
|
public void setSize(int size) {
|
|
this.mSize = size;
|
|
}
|
|
|
|
public void parse(InputStream in) throws IOException, MessagingException {
|
|
super.parse(in);
|
|
}
|
|
|
|
public void setFlagInternal(Flag flag, boolean set) throws MessagingException {
|
|
super.setFlag(flag, set);
|
|
}
|
|
|
|
@Override
|
|
public void setFlag(Flag flag, boolean set) throws MessagingException {
|
|
super.setFlag(flag, set);
|
|
mFolder.setFlags(new Message[] { this }, new Flag[] { flag }, set);
|
|
}
|
|
}
|
|
|
|
class ImapBodyPart extends MimeBodyPart {
|
|
public ImapBodyPart() throws MessagingException {
|
|
super();
|
|
}
|
|
|
|
public void setSize(int size) {
|
|
this.mSize = size;
|
|
}
|
|
}
|
|
|
|
class ImapException extends MessagingException {
|
|
String mAlertText;
|
|
|
|
public ImapException(String message, String alertText, Throwable throwable) {
|
|
super(message, throwable);
|
|
this.mAlertText = alertText;
|
|
}
|
|
|
|
public ImapException(String message, String alertText) {
|
|
super(message);
|
|
this.mAlertText = alertText;
|
|
}
|
|
|
|
public String getAlertText() {
|
|
return mAlertText;
|
|
}
|
|
|
|
public void setAlertText(String alertText) {
|
|
mAlertText = alertText;
|
|
}
|
|
}
|
|
}
|