1094 lines
44 KiB
Java
1094 lines
44 KiB
Java
/*
|
|
* Copyright (C) 2011 The Android Open Source Project
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
package com.android.email.mail.store;
|
|
|
|
import android.content.Context;
|
|
import android.text.TextUtils;
|
|
import android.util.Base64DataException;
|
|
import android.util.Log;
|
|
|
|
import com.android.email.Email;
|
|
import com.android.email.mail.store.ImapStore.ImapException;
|
|
import com.android.email.mail.store.ImapStore.ImapMessage;
|
|
import com.android.email.mail.store.imap.ImapConstants;
|
|
import com.android.email.mail.store.imap.ImapElement;
|
|
import com.android.email.mail.store.imap.ImapList;
|
|
import com.android.email.mail.store.imap.ImapResponse;
|
|
import com.android.email.mail.store.imap.ImapString;
|
|
import com.android.email.mail.store.imap.ImapUtility;
|
|
import com.android.email.mail.transport.CountingOutputStream;
|
|
import com.android.email.mail.transport.EOLConvertingOutputStream;
|
|
import com.android.emailcommon.Logging;
|
|
import com.android.emailcommon.internet.BinaryTempFileBody;
|
|
import com.android.emailcommon.internet.MimeBodyPart;
|
|
import com.android.emailcommon.internet.MimeHeader;
|
|
import com.android.emailcommon.internet.MimeMultipart;
|
|
import com.android.emailcommon.internet.MimeUtility;
|
|
import com.android.emailcommon.mail.AuthenticationFailedException;
|
|
import com.android.emailcommon.mail.Body;
|
|
import com.android.emailcommon.mail.FetchProfile;
|
|
import com.android.emailcommon.mail.Flag;
|
|
import com.android.emailcommon.mail.Folder;
|
|
import com.android.emailcommon.mail.Message;
|
|
import com.android.emailcommon.mail.MessagingException;
|
|
import com.android.emailcommon.mail.Part;
|
|
import com.android.emailcommon.provider.Mailbox;
|
|
import com.android.emailcommon.service.SearchParams;
|
|
import com.android.emailcommon.utility.Utility;
|
|
import com.google.common.annotations.VisibleForTesting;
|
|
|
|
import java.io.IOException;
|
|
import java.io.InputStream;
|
|
import java.io.OutputStream;
|
|
import java.util.ArrayList;
|
|
import java.util.Arrays;
|
|
import java.util.Date;
|
|
import java.util.HashMap;
|
|
import java.util.LinkedHashSet;
|
|
import java.util.List;
|
|
|
|
class ImapFolder extends Folder {
|
|
private final static Flag[] PERMANENT_FLAGS = { Flag.DELETED, Flag.SEEN, Flag.FLAGGED };
|
|
private static final int COPY_BUFFER_SIZE = 16*1024;
|
|
|
|
private final ImapStore mStore;
|
|
private final String mName;
|
|
private int mMessageCount = -1;
|
|
private ImapConnection mConnection;
|
|
private OpenMode mMode;
|
|
private boolean mExists;
|
|
/** The local mailbox associated with this remote folder */
|
|
Mailbox mMailbox;
|
|
/** A set of hashes that can be used to track dirtiness */
|
|
Object mHash[];
|
|
|
|
/*package*/ ImapFolder(ImapStore store, String name) {
|
|
mStore = store;
|
|
mName = name;
|
|
}
|
|
|
|
private void destroyResponses() {
|
|
if (mConnection != null) {
|
|
mConnection.destroyResponses();
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public void open(OpenMode mode)
|
|
throws MessagingException {
|
|
try {
|
|
if (isOpen()) {
|
|
if (mMode == mode) {
|
|
// Make sure the connection is valid.
|
|
// If it's not we'll close it down and continue on to get a new one.
|
|
try {
|
|
mConnection.executeSimpleCommand(ImapConstants.NOOP);
|
|
return;
|
|
|
|
} catch (IOException ioe) {
|
|
ioExceptionHandler(mConnection, ioe);
|
|
} finally {
|
|
destroyResponses();
|
|
}
|
|
} else {
|
|
// Return the connection to the pool, if exists.
|
|
close(false);
|
|
}
|
|
}
|
|
synchronized (this) {
|
|
mConnection = mStore.getConnection();
|
|
}
|
|
// * FLAGS (\Answered \Flagged \Deleted \Seen \Draft NonJunk
|
|
// $MDNSent)
|
|
// * OK [PERMANENTFLAGS (\Answered \Flagged \Deleted \Seen \Draft
|
|
// NonJunk $MDNSent \*)] Flags permitted.
|
|
// * 23 EXISTS
|
|
// * 0 RECENT
|
|
// * OK [UIDVALIDITY 1125022061] UIDs valid
|
|
// * OK [UIDNEXT 57576] Predicted next UID
|
|
// 2 OK [READ-WRITE] Select completed.
|
|
try {
|
|
doSelect();
|
|
} catch (IOException ioe) {
|
|
throw ioExceptionHandler(mConnection, ioe);
|
|
} finally {
|
|
destroyResponses();
|
|
}
|
|
} catch (AuthenticationFailedException e) {
|
|
// Don't cache this connection, so we're forced to try connecting/login again
|
|
mConnection = null;
|
|
close(false);
|
|
throw e;
|
|
} catch (MessagingException e) {
|
|
mExists = false;
|
|
close(false);
|
|
throw e;
|
|
}
|
|
}
|
|
|
|
@Override
|
|
@VisibleForTesting
|
|
public boolean isOpen() {
|
|
return mExists && mConnection != null;
|
|
}
|
|
|
|
@Override
|
|
public OpenMode getMode() {
|
|
return mMode;
|
|
}
|
|
|
|
@Override
|
|
public void close(boolean expunge) {
|
|
// TODO implement expunge
|
|
mMessageCount = -1;
|
|
synchronized (this) {
|
|
mStore.poolConnection(mConnection);
|
|
mConnection = null;
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public String getName() {
|
|
return mName;
|
|
}
|
|
|
|
@Override
|
|
public boolean exists() throws MessagingException {
|
|
if (mExists) {
|
|
return true;
|
|
}
|
|
/*
|
|
* This method needs to operate in the unselected mode as well as the selected mode
|
|
* so we must get the connection ourselves if it's not there. We are specifically
|
|
* not calling checkOpen() since we don't care if the folder is open.
|
|
*/
|
|
ImapConnection connection = null;
|
|
synchronized(this) {
|
|
if (mConnection == null) {
|
|
connection = mStore.getConnection();
|
|
} else {
|
|
connection = mConnection;
|
|
}
|
|
}
|
|
try {
|
|
connection.executeSimpleCommand(String.format(
|
|
ImapConstants.STATUS + " \"%s\" (" + ImapConstants.UIDVALIDITY + ")",
|
|
ImapStore.encodeFolderName(mName, mStore.mPathPrefix)));
|
|
mExists = true;
|
|
return true;
|
|
|
|
} catch (MessagingException me) {
|
|
return false;
|
|
|
|
} catch (IOException ioe) {
|
|
throw ioExceptionHandler(connection, ioe);
|
|
|
|
} finally {
|
|
connection.destroyResponses();
|
|
if (mConnection == null) {
|
|
mStore.poolConnection(connection);
|
|
}
|
|
}
|
|
}
|
|
|
|
// IMAP supports folder creation
|
|
@Override
|
|
public boolean canCreate(FolderType type) {
|
|
return true;
|
|
}
|
|
|
|
@Override
|
|
public boolean create(FolderType type) throws MessagingException {
|
|
/*
|
|
* This method needs to operate in the unselected mode as well as the selected mode
|
|
* so we must get the connection ourselves if it's not there. We are specifically
|
|
* not calling checkOpen() since we don't care if the folder is open.
|
|
*/
|
|
ImapConnection connection = null;
|
|
synchronized(this) {
|
|
if (mConnection == null) {
|
|
connection = mStore.getConnection();
|
|
} else {
|
|
connection = mConnection;
|
|
}
|
|
}
|
|
try {
|
|
connection.executeSimpleCommand(String.format(ImapConstants.CREATE + " \"%s\"",
|
|
ImapStore.encodeFolderName(mName, mStore.mPathPrefix)));
|
|
return true;
|
|
|
|
} catch (MessagingException me) {
|
|
return false;
|
|
|
|
} catch (IOException ioe) {
|
|
throw ioExceptionHandler(connection, ioe);
|
|
|
|
} finally {
|
|
connection.destroyResponses();
|
|
if (mConnection == null) {
|
|
mStore.poolConnection(connection);
|
|
}
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public void copyMessages(Message[] messages, Folder folder,
|
|
MessageUpdateCallbacks callbacks) throws MessagingException {
|
|
checkOpen();
|
|
try {
|
|
List<ImapResponse> responseList = mConnection.executeSimpleCommand(
|
|
String.format(ImapConstants.UID_COPY + " %s \"%s\"",
|
|
ImapStore.joinMessageUids(messages),
|
|
ImapStore.encodeFolderName(folder.getName(), mStore.mPathPrefix)));
|
|
// Build a message map for faster UID matching
|
|
HashMap<String, Message> messageMap = new HashMap<String, Message>();
|
|
boolean handledUidPlus = false;
|
|
for (Message m : messages) {
|
|
messageMap.put(m.getUid(), m);
|
|
}
|
|
// Process response to get the new UIDs
|
|
for (ImapResponse response : responseList) {
|
|
// All "BAD" responses are bad. Only "NO", tagged responses are bad.
|
|
if (response.isBad() || (response.isNo() && response.isTagged())) {
|
|
String responseText = response.getStatusResponseTextOrEmpty().getString();
|
|
throw new MessagingException(responseText);
|
|
}
|
|
// Skip untagged responses; they're just status
|
|
if (!response.isTagged()) {
|
|
continue;
|
|
}
|
|
// No callback provided to report of UID changes; nothing more to do here
|
|
// NOTE: We check this here to catch any server errors
|
|
if (callbacks == null) {
|
|
continue;
|
|
}
|
|
ImapList copyResponse = response.getListOrEmpty(1);
|
|
String responseCode = copyResponse.getStringOrEmpty(0).getString();
|
|
if (ImapConstants.COPYUID.equals(responseCode)) {
|
|
handledUidPlus = true;
|
|
String origIdSet = copyResponse.getStringOrEmpty(2).getString();
|
|
String newIdSet = copyResponse.getStringOrEmpty(3).getString();
|
|
String[] origIdArray = ImapUtility.getImapSequenceValues(origIdSet);
|
|
String[] newIdArray = ImapUtility.getImapSequenceValues(newIdSet);
|
|
// There has to be a 1:1 mapping between old and new IDs
|
|
if (origIdArray.length != newIdArray.length) {
|
|
throw new MessagingException("Set length mis-match; orig IDs \"" +
|
|
origIdSet + "\" new IDs \"" + newIdSet + "\"");
|
|
}
|
|
for (int i = 0; i < origIdArray.length; i++) {
|
|
final String id = origIdArray[i];
|
|
final Message m = messageMap.get(id);
|
|
if (m != null) {
|
|
callbacks.onMessageUidChange(m, newIdArray[i]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
// If the server doesn't support UIDPLUS, try a different way to get the new UID(s)
|
|
if (callbacks != null && !handledUidPlus) {
|
|
ImapFolder newFolder = (ImapFolder)folder;
|
|
try {
|
|
// Temporarily select the destination folder
|
|
newFolder.open(OpenMode.READ_WRITE);
|
|
// Do the search(es) ...
|
|
for (Message m : messages) {
|
|
String searchString = "HEADER Message-Id \"" + m.getMessageId() + "\"";
|
|
String[] newIdArray = newFolder.searchForUids(searchString);
|
|
if (newIdArray.length == 1) {
|
|
callbacks.onMessageUidChange(m, newIdArray[0]);
|
|
}
|
|
}
|
|
} catch (MessagingException e) {
|
|
// Log, but, don't abort; failures here don't need to be propagated
|
|
Log.d(Logging.LOG_TAG, "Failed to find message", e);
|
|
} finally {
|
|
newFolder.close(false);
|
|
}
|
|
// Re-select the original folder
|
|
doSelect();
|
|
}
|
|
} catch (IOException ioe) {
|
|
throw ioExceptionHandler(mConnection, ioe);
|
|
} finally {
|
|
destroyResponses();
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public int getMessageCount() {
|
|
return mMessageCount;
|
|
}
|
|
|
|
@Override
|
|
public int getUnreadMessageCount() throws MessagingException {
|
|
checkOpen();
|
|
try {
|
|
int unreadMessageCount = 0;
|
|
List<ImapResponse> responses = mConnection.executeSimpleCommand(String.format(
|
|
ImapConstants.STATUS + " \"%s\" (" + ImapConstants.UNSEEN + ")",
|
|
ImapStore.encodeFolderName(mName, mStore.mPathPrefix)));
|
|
// S: * STATUS mboxname (MESSAGES 231 UIDNEXT 44292)
|
|
for (ImapResponse response : responses) {
|
|
if (response.isDataResponse(0, ImapConstants.STATUS)) {
|
|
unreadMessageCount = response.getListOrEmpty(2)
|
|
.getKeyedStringOrEmpty(ImapConstants.UNSEEN).getNumberOrZero();
|
|
}
|
|
}
|
|
return unreadMessageCount;
|
|
} catch (IOException ioe) {
|
|
throw ioExceptionHandler(mConnection, ioe);
|
|
} finally {
|
|
destroyResponses();
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public void delete(boolean recurse) {
|
|
throw new Error("ImapStore.delete() not yet implemented");
|
|
}
|
|
|
|
/* package */ String[] searchForUids(String searchCriteria)
|
|
throws MessagingException {
|
|
checkOpen();
|
|
List<ImapResponse> responses;
|
|
try {
|
|
try {
|
|
responses = mConnection.executeSimpleCommand(
|
|
ImapConstants.UID_SEARCH + " " + searchCriteria);
|
|
} catch (ImapException e) {
|
|
return Utility.EMPTY_STRINGS; // not found;
|
|
} catch (IOException ioe) {
|
|
throw ioExceptionHandler(mConnection, ioe);
|
|
}
|
|
// S: * SEARCH 2 3 6
|
|
final ArrayList<String> uids = new ArrayList<String>();
|
|
for (ImapResponse response : responses) {
|
|
if (!response.isDataResponse(0, ImapConstants.SEARCH)) {
|
|
continue;
|
|
}
|
|
// Found SEARCH response data
|
|
for (int i = 1; i < response.size(); i++) {
|
|
ImapString s = response.getStringOrEmpty(i);
|
|
if (s.isString()) {
|
|
uids.add(s.getString());
|
|
}
|
|
}
|
|
}
|
|
return uids.toArray(Utility.EMPTY_STRINGS);
|
|
} finally {
|
|
destroyResponses();
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public Message getMessage(String uid) throws MessagingException {
|
|
checkOpen();
|
|
|
|
String[] uids = searchForUids(ImapConstants.UID + " " + uid);
|
|
for (int i = 0; i < uids.length; i++) {
|
|
if (uids[i].equals(uid)) {
|
|
return new ImapMessage(uid, this);
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Retrieve messages based on search parameters. We search FROM, TO, CC, SUBJECT, and BODY
|
|
* We send: SEARCH OR FROM "foo" (OR TO "foo" (OR CC "foo" (OR SUBJECT "foo" BODY "foo")))
|
|
* TODO: Properly quote the filter
|
|
*/
|
|
@Override
|
|
public Message[] getMessages(SearchParams params, MessageRetrievalListener listener)
|
|
throws MessagingException {
|
|
String filter = params.mFilter;
|
|
StringBuilder sb = new StringBuilder();
|
|
sb.append("OR FROM \"");
|
|
sb.append(filter);
|
|
sb.append("\" (OR TO \"");
|
|
sb.append(filter);
|
|
sb.append("\" (OR CC \"");
|
|
sb.append(filter);
|
|
sb.append("\" (OR SUBJECT \"");
|
|
sb.append(filter);
|
|
sb.append("\" BODY \"");
|
|
sb.append(filter);
|
|
sb.append("\")))");
|
|
return getMessagesInternal(searchForUids(sb.toString()), listener);
|
|
}
|
|
|
|
@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 range: %d %d", start, end));
|
|
}
|
|
return getMessagesInternal(
|
|
searchForUids(String.format("%d:%d NOT DELETED", start, end)), listener);
|
|
}
|
|
|
|
@Override
|
|
public Message[] getMessages(String[] uids, MessageRetrievalListener listener)
|
|
throws MessagingException {
|
|
if (uids == null) {
|
|
uids = searchForUids("1:* NOT DELETED");
|
|
}
|
|
return getMessagesInternal(uids, listener);
|
|
}
|
|
|
|
public Message[] getMessagesInternal(String[] uids, MessageRetrievalListener listener) {
|
|
final ArrayList<Message> messages = new ArrayList<Message>(uids.length);
|
|
for (int i = 0; i < uids.length; i++) {
|
|
final String uid = uids[i];
|
|
final ImapMessage message = new ImapMessage(uid, this);
|
|
messages.add(message);
|
|
if (listener != null) {
|
|
listener.messageRetrieved(message);
|
|
}
|
|
}
|
|
return messages.toArray(Message.EMPTY_ARRAY);
|
|
}
|
|
|
|
@Override
|
|
public void fetch(Message[] messages, FetchProfile fp, MessageRetrievalListener listener)
|
|
throws MessagingException {
|
|
try {
|
|
fetchInternal(messages, fp, listener);
|
|
} catch (RuntimeException e) { // Probably a parser error.
|
|
Log.w(Logging.LOG_TAG, "Exception detected: " + e.getMessage());
|
|
if (mConnection != null) {
|
|
mConnection.logLastDiscourse();
|
|
}
|
|
throw e;
|
|
}
|
|
}
|
|
|
|
public void fetchInternal(Message[] messages, FetchProfile fp,
|
|
MessageRetrievalListener listener) throws MessagingException {
|
|
if (messages.length == 0) {
|
|
return;
|
|
}
|
|
checkOpen();
|
|
HashMap<String, Message> messageMap = new HashMap<String, Message>();
|
|
for (Message m : messages) {
|
|
messageMap.put(m.getUid(), m);
|
|
}
|
|
|
|
/*
|
|
* Figure out what command we are going to run:
|
|
* FLAGS - UID FETCH (FLAGS)
|
|
* ENVELOPE - UID FETCH (INTERNALDATE UID RFC822.SIZE FLAGS BODY.PEEK[
|
|
* HEADER.FIELDS (date subject from content-type to cc)])
|
|
* STRUCTURE - UID FETCH (BODYSTRUCTURE)
|
|
* BODY_SANE - UID FETCH (BODY.PEEK[]<0.N>) where N = max bytes returned
|
|
* BODY - UID FETCH (BODY.PEEK[])
|
|
* Part - UID FETCH (BODY.PEEK[ID]) where ID = mime part ID
|
|
*/
|
|
|
|
final LinkedHashSet<String> fetchFields = new LinkedHashSet<String>();
|
|
|
|
fetchFields.add(ImapConstants.UID);
|
|
if (fp.contains(FetchProfile.Item.FLAGS)) {
|
|
fetchFields.add(ImapConstants.FLAGS);
|
|
}
|
|
if (fp.contains(FetchProfile.Item.ENVELOPE)) {
|
|
fetchFields.add(ImapConstants.INTERNALDATE);
|
|
fetchFields.add(ImapConstants.RFC822_SIZE);
|
|
fetchFields.add(ImapConstants.FETCH_FIELD_HEADERS);
|
|
}
|
|
if (fp.contains(FetchProfile.Item.STRUCTURE)) {
|
|
fetchFields.add(ImapConstants.BODYSTRUCTURE);
|
|
}
|
|
|
|
if (fp.contains(FetchProfile.Item.BODY_SANE)) {
|
|
fetchFields.add(ImapConstants.FETCH_FIELD_BODY_PEEK_SANE);
|
|
}
|
|
if (fp.contains(FetchProfile.Item.BODY)) {
|
|
fetchFields.add(ImapConstants.FETCH_FIELD_BODY_PEEK);
|
|
}
|
|
|
|
final Part fetchPart = fp.getFirstPart();
|
|
if (fetchPart != null) {
|
|
String[] partIds =
|
|
fetchPart.getHeader(MimeHeader.HEADER_ANDROID_ATTACHMENT_STORE_DATA);
|
|
if (partIds != null) {
|
|
fetchFields.add(ImapConstants.FETCH_FIELD_BODY_PEEK_BARE
|
|
+ "[" + partIds[0] + "]");
|
|
}
|
|
}
|
|
|
|
try {
|
|
mConnection.sendCommand(String.format(
|
|
ImapConstants.UID_FETCH + " %s (%s)", ImapStore.joinMessageUids(messages),
|
|
Utility.combine(fetchFields.toArray(new String[fetchFields.size()]), ' ')
|
|
), false);
|
|
ImapResponse response;
|
|
int messageNumber = 0;
|
|
do {
|
|
response = null;
|
|
try {
|
|
response = mConnection.readResponse();
|
|
|
|
if (!response.isDataResponse(1, ImapConstants.FETCH)) {
|
|
continue; // Ignore
|
|
}
|
|
final ImapList fetchList = response.getListOrEmpty(2);
|
|
final String uid = fetchList.getKeyedStringOrEmpty(ImapConstants.UID)
|
|
.getString();
|
|
if (TextUtils.isEmpty(uid)) continue;
|
|
|
|
ImapMessage message = (ImapMessage) messageMap.get(uid);
|
|
if (message == null) continue;
|
|
|
|
if (fp.contains(FetchProfile.Item.FLAGS)) {
|
|
final ImapList flags =
|
|
fetchList.getKeyedListOrEmpty(ImapConstants.FLAGS);
|
|
for (int i = 0, count = flags.size(); i < count; i++) {
|
|
final ImapString flag = flags.getStringOrEmpty(i);
|
|
if (flag.is(ImapConstants.FLAG_DELETED)) {
|
|
message.setFlagInternal(Flag.DELETED, true);
|
|
} else if (flag.is(ImapConstants.FLAG_ANSWERED)) {
|
|
message.setFlagInternal(Flag.ANSWERED, true);
|
|
} else if (flag.is(ImapConstants.FLAG_SEEN)) {
|
|
message.setFlagInternal(Flag.SEEN, true);
|
|
} else if (flag.is(ImapConstants.FLAG_FLAGGED)) {
|
|
message.setFlagInternal(Flag.FLAGGED, true);
|
|
}
|
|
}
|
|
}
|
|
if (fp.contains(FetchProfile.Item.ENVELOPE)) {
|
|
final Date internalDate = fetchList.getKeyedStringOrEmpty(
|
|
ImapConstants.INTERNALDATE).getDateOrNull();
|
|
final int size = fetchList.getKeyedStringOrEmpty(
|
|
ImapConstants.RFC822_SIZE).getNumberOrZero();
|
|
final String header = fetchList.getKeyedStringOrEmpty(
|
|
ImapConstants.BODY_BRACKET_HEADER, true).getString();
|
|
|
|
message.setInternalDate(internalDate);
|
|
message.setSize(size);
|
|
message.parse(Utility.streamFromAsciiString(header));
|
|
}
|
|
if (fp.contains(FetchProfile.Item.STRUCTURE)) {
|
|
ImapList bs = fetchList.getKeyedListOrEmpty(
|
|
ImapConstants.BODYSTRUCTURE);
|
|
if (!bs.isEmpty()) {
|
|
try {
|
|
parseBodyStructure(bs, message, ImapConstants.TEXT);
|
|
} catch (MessagingException e) {
|
|
if (Logging.LOGD) {
|
|
Log.v(Logging.LOG_TAG, "Error handling message", e);
|
|
}
|
|
message.setBody(null);
|
|
}
|
|
}
|
|
}
|
|
if (fp.contains(FetchProfile.Item.BODY)
|
|
|| fp.contains(FetchProfile.Item.BODY_SANE)) {
|
|
// Body is keyed by "BODY[]...".
|
|
// Previously used "BODY[..." but this can be confused with "BODY[HEADER..."
|
|
// TODO Should we accept "RFC822" as well??
|
|
ImapString body = fetchList.getKeyedStringOrEmpty("BODY[]", true);
|
|
String bodyText = body.getString();
|
|
InputStream bodyStream = body.getAsStream();
|
|
message.parse(bodyStream);
|
|
}
|
|
if (fetchPart != null && fetchPart.getSize() > 0) {
|
|
InputStream bodyStream =
|
|
fetchList.getKeyedStringOrEmpty("BODY[", true).getAsStream();
|
|
String contentType = fetchPart.getContentType();
|
|
String contentTransferEncoding = fetchPart.getHeader(
|
|
MimeHeader.HEADER_CONTENT_TRANSFER_ENCODING)[0];
|
|
|
|
// TODO Don't create 2 temp files.
|
|
// decodeBody creates BinaryTempFileBody, but we could avoid this
|
|
// if we implement ImapStringBody.
|
|
// (We'll need to share a temp file. Protect it with a ref-count.)
|
|
fetchPart.setBody(decodeBody(bodyStream, contentTransferEncoding,
|
|
fetchPart.getSize(), listener));
|
|
}
|
|
|
|
if (listener != null) {
|
|
listener.messageRetrieved(message);
|
|
}
|
|
} finally {
|
|
destroyResponses();
|
|
}
|
|
} while (!response.isTagged());
|
|
} catch (IOException ioe) {
|
|
throw ioExceptionHandler(mConnection, ioe);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Removes any content transfer encoding from the stream and returns a Body.
|
|
* This code is taken/condensed from MimeUtility.decodeBody
|
|
*/
|
|
private Body decodeBody(InputStream in, String contentTransferEncoding, int size,
|
|
MessageRetrievalListener listener) throws IOException {
|
|
// Get a properly wrapped input stream
|
|
in = MimeUtility.getInputStreamForContentTransferEncoding(in, contentTransferEncoding);
|
|
BinaryTempFileBody tempBody = new BinaryTempFileBody();
|
|
OutputStream out = tempBody.getOutputStream();
|
|
try {
|
|
byte[] buffer = new byte[COPY_BUFFER_SIZE];
|
|
int n = 0;
|
|
int count = 0;
|
|
while (-1 != (n = in.read(buffer))) {
|
|
out.write(buffer, 0, n);
|
|
count += n;
|
|
if (listener != null) {
|
|
listener.loadAttachmentProgress(count * 100 / size);
|
|
}
|
|
}
|
|
} catch (Base64DataException bde) {
|
|
String warning = "\n\n" + Email.getMessageDecodeErrorString();
|
|
out.write(warning.getBytes());
|
|
} finally {
|
|
out.close();
|
|
}
|
|
return tempBody;
|
|
}
|
|
|
|
@Override
|
|
public Flag[] getPermanentFlags() {
|
|
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.isDataResponse(1, ImapConstants.EXISTS)) {
|
|
mMessageCount = response.getStringOrEmpty(0).getNumberOrZero();
|
|
}
|
|
}
|
|
|
|
private static void parseBodyStructure(ImapList bs, Part part, String id)
|
|
throws MessagingException {
|
|
if (bs.getElementOrNone(0).isList()) {
|
|
/*
|
|
* This is a multipart/*
|
|
*/
|
|
MimeMultipart mp = new MimeMultipart();
|
|
for (int i = 0, count = bs.size(); i < count; i++) {
|
|
ImapElement e = bs.getElementOrNone(i);
|
|
if (e.isList()) {
|
|
/*
|
|
* For each part in the message we're going to add a new BodyPart and parse
|
|
* into it.
|
|
*/
|
|
MimeBodyPart bp = new MimeBodyPart();
|
|
if (id.equals(ImapConstants.TEXT)) {
|
|
parseBodyStructure(bs.getListOrEmpty(i), bp, Integer.toString(i + 1));
|
|
|
|
} else {
|
|
parseBodyStructure(bs.getListOrEmpty(i), bp, id + "." + (i + 1));
|
|
}
|
|
mp.addBodyPart(bp);
|
|
|
|
} else {
|
|
if (e.isString()) {
|
|
mp.setSubType(bs.getStringOrEmpty(i).getString().toLowerCase());
|
|
}
|
|
break; // Ignore the rest of the list.
|
|
}
|
|
}
|
|
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
|
|
*/
|
|
|
|
final ImapString type = bs.getStringOrEmpty(0);
|
|
final ImapString subType = bs.getStringOrEmpty(1);
|
|
final String mimeType =
|
|
(type.getString() + "/" + subType.getString()).toLowerCase();
|
|
|
|
final ImapList bodyParams = bs.getListOrEmpty(2);
|
|
final ImapString cid = bs.getStringOrEmpty(3);
|
|
final ImapString encoding = bs.getStringOrEmpty(5);
|
|
final int size = bs.getStringOrEmpty(6).getNumberOrZero();
|
|
|
|
if (MimeUtility.mimeTypeMatches(mimeType, MimeUtility.MIME_TYPE_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, filename.eml], NIL, NIL, 7BIT, 5974, NIL,
|
|
// [INLINE, [FILENAME*0, Fwd: Xxx..., FILENAME*1, filename.eml]], NIL]
|
|
/*
|
|
* This will be caught by fetch and handled appropriately.
|
|
*/
|
|
throw new MessagingException("BODYSTRUCTURE " + MimeUtility.MIME_TYPE_RFC822
|
|
+ " not yet supported.");
|
|
}
|
|
|
|
/*
|
|
* Set the content type with as much information as we know right now.
|
|
*/
|
|
final StringBuilder contentType = new StringBuilder(mimeType);
|
|
|
|
/*
|
|
* If there are body params we might be able to get some more information out
|
|
* of them.
|
|
*/
|
|
for (int i = 1, count = bodyParams.size(); i < count; i += 2) {
|
|
|
|
// TODO We need to convert " into %22, but
|
|
// because MimeUtility.getHeaderParameter doesn't recognize it,
|
|
// we can't fix it for now.
|
|
contentType.append(String.format(";\n %s=\"%s\"",
|
|
bodyParams.getStringOrEmpty(i - 1).getString(),
|
|
bodyParams.getStringOrEmpty(i).getString()));
|
|
}
|
|
|
|
part.setHeader(MimeHeader.HEADER_CONTENT_TYPE, contentType.toString());
|
|
|
|
// Extension items
|
|
final ImapList bodyDisposition;
|
|
|
|
if (type.is(ImapConstants.TEXT) && bs.getElementOrNone(9).isList()) {
|
|
// If media-type is TEXT, 9th element might be: [body-fld-lines] := number
|
|
// So, if it's not a list, use 10th element.
|
|
// (Couldn't find evidence in the RFC if it's ALWAYS 10th element.)
|
|
bodyDisposition = bs.getListOrEmpty(9);
|
|
} else {
|
|
bodyDisposition = bs.getListOrEmpty(8);
|
|
}
|
|
|
|
final StringBuilder contentDisposition = new StringBuilder();
|
|
|
|
if (bodyDisposition.size() > 0) {
|
|
final String bodyDisposition0Str =
|
|
bodyDisposition.getStringOrEmpty(0).getString().toLowerCase();
|
|
if (!TextUtils.isEmpty(bodyDisposition0Str)) {
|
|
contentDisposition.append(bodyDisposition0Str);
|
|
}
|
|
|
|
final ImapList bodyDispositionParams = bodyDisposition.getListOrEmpty(1);
|
|
if (!bodyDispositionParams.isEmpty()) {
|
|
/*
|
|
* If there is body disposition information we can pull some more
|
|
* information about the attachment out.
|
|
*/
|
|
for (int i = 1, count = bodyDispositionParams.size(); i < count; i += 2) {
|
|
|
|
// TODO We need to convert " into %22. See above.
|
|
contentDisposition.append(String.format(";\n %s=\"%s\"",
|
|
bodyDispositionParams.getStringOrEmpty(i - 1)
|
|
.getString().toLowerCase(),
|
|
bodyDispositionParams.getStringOrEmpty(i).getString()));
|
|
}
|
|
}
|
|
}
|
|
|
|
if ((size > 0)
|
|
&& (MimeUtility.getHeaderParameter(contentDisposition.toString(), "size")
|
|
== null)) {
|
|
contentDisposition.append(String.format(";\n size=%d", size));
|
|
}
|
|
|
|
if (contentDisposition.length() > 0) {
|
|
/*
|
|
* 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.toString());
|
|
}
|
|
|
|
/*
|
|
* Set the Content-Transfer-Encoding header. Attachment code will use this
|
|
* to parse the body.
|
|
*/
|
|
if (!encoding.isEmpty()) {
|
|
part.setHeader(MimeHeader.HEADER_CONTENT_TRANSFER_ENCODING,
|
|
encoding.getString());
|
|
}
|
|
|
|
/*
|
|
* Set the Content-ID header.
|
|
*/
|
|
if (!cid.isEmpty()) {
|
|
part.setHeader(MimeHeader.HEADER_CONTENT_ID, cid.getString());
|
|
}
|
|
|
|
if (size > 0) {
|
|
if (part instanceof ImapMessage) {
|
|
((ImapMessage) part).setSize(size);
|
|
} else if (part instanceof MimeBodyPart) {
|
|
((MimeBodyPart) 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.
|
|
*/
|
|
@Override
|
|
public void appendMessages(Message[] messages) throws MessagingException {
|
|
checkOpen();
|
|
try {
|
|
for (Message message : messages) {
|
|
// Create output count
|
|
CountingOutputStream out = new CountingOutputStream();
|
|
EOLConvertingOutputStream eolOut = new EOLConvertingOutputStream(out);
|
|
message.writeTo(eolOut);
|
|
eolOut.flush();
|
|
// Create flag list (most often this will be "\SEEN")
|
|
String flagList = "";
|
|
Flag[] flags = message.getFlags();
|
|
if (flags.length > 0) {
|
|
StringBuilder sb = new StringBuilder();
|
|
for (int i = 0, count = flags.length; i < count; i++) {
|
|
Flag flag = flags[i];
|
|
if (flag == Flag.SEEN) {
|
|
sb.append(" " + ImapConstants.FLAG_SEEN);
|
|
} else if (flag == Flag.FLAGGED) {
|
|
sb.append(" " + ImapConstants.FLAG_FLAGGED);
|
|
}
|
|
}
|
|
if (sb.length() > 0) {
|
|
flagList = sb.substring(1);
|
|
}
|
|
}
|
|
|
|
mConnection.sendCommand(
|
|
String.format(ImapConstants.APPEND + " \"%s\" (%s) {%d}",
|
|
ImapStore.encodeFolderName(mName, mStore.mPathPrefix),
|
|
flagList,
|
|
out.getCount()), false);
|
|
ImapResponse response;
|
|
do {
|
|
response = mConnection.readResponse();
|
|
if (response.isContinuationRequest()) {
|
|
eolOut = new EOLConvertingOutputStream(
|
|
mConnection.mTransport.getOutputStream());
|
|
message.writeTo(eolOut);
|
|
eolOut.write('\r');
|
|
eolOut.write('\n');
|
|
eolOut.flush();
|
|
} else if (!response.isTagged()) {
|
|
handleUntaggedResponse(response);
|
|
}
|
|
} while (!response.isTagged());
|
|
|
|
// TODO Why not check the response?
|
|
|
|
/*
|
|
* Try to recover the UID of the message from an APPENDUID response.
|
|
* e.g. 11 OK [APPENDUID 2 238268] APPEND completed
|
|
*/
|
|
final ImapList appendList = response.getListOrEmpty(1);
|
|
if ((appendList.size() >= 3) && appendList.is(0, ImapConstants.APPENDUID)) {
|
|
String serverUid = appendList.getStringOrEmpty(2).getString();
|
|
if (!TextUtils.isEmpty(serverUid)) {
|
|
message.setUid(serverUid);
|
|
continue;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Try to find the UID of the message we just appended using the
|
|
* Message-ID header. If there are more than one response, take the
|
|
* last one, as it's most likely the newest (the one we just uploaded).
|
|
*/
|
|
String messageId = message.getMessageId();
|
|
if (messageId == null || messageId.length() == 0) {
|
|
continue;
|
|
}
|
|
// Most servers don't care about parenthesis in the search query [and, some
|
|
// fail to work if they are used]
|
|
String[] uids = searchForUids(String.format("HEADER MESSAGE-ID %s", messageId));
|
|
if (uids.length > 0) {
|
|
message.setUid(uids[0]);
|
|
}
|
|
// However, there's at least one server [AOL] that fails to work unless there
|
|
// are parenthesis, so, try this as a last resort
|
|
uids = searchForUids(String.format("(HEADER MESSAGE-ID %s)", messageId));
|
|
if (uids.length > 0) {
|
|
message.setUid(uids[0]);
|
|
}
|
|
}
|
|
} catch (IOException ioe) {
|
|
throw ioExceptionHandler(mConnection, ioe);
|
|
} finally {
|
|
destroyResponses();
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public Message[] expunge() throws MessagingException {
|
|
checkOpen();
|
|
try {
|
|
handleUntaggedResponses(mConnection.executeSimpleCommand(ImapConstants.EXPUNGE));
|
|
} catch (IOException ioe) {
|
|
throw ioExceptionHandler(mConnection, ioe);
|
|
} finally {
|
|
destroyResponses();
|
|
}
|
|
return null;
|
|
}
|
|
|
|
@Override
|
|
public void setFlags(Message[] messages, Flag[] flags, boolean value)
|
|
throws MessagingException {
|
|
checkOpen();
|
|
|
|
String allFlags = "";
|
|
if (flags.length > 0) {
|
|
StringBuilder flagList = new StringBuilder();
|
|
for (int i = 0, count = flags.length; i < count; i++) {
|
|
Flag flag = flags[i];
|
|
if (flag == Flag.SEEN) {
|
|
flagList.append(" " + ImapConstants.FLAG_SEEN);
|
|
} else if (flag == Flag.DELETED) {
|
|
flagList.append(" " + ImapConstants.FLAG_DELETED);
|
|
} else if (flag == Flag.FLAGGED) {
|
|
flagList.append(" " + ImapConstants.FLAG_FLAGGED);
|
|
}
|
|
}
|
|
allFlags = flagList.substring(1);
|
|
}
|
|
try {
|
|
mConnection.executeSimpleCommand(String.format(
|
|
ImapConstants.UID_STORE + " %s %s" + ImapConstants.FLAGS_SILENT + " (%s)",
|
|
ImapStore.joinMessageUids(messages),
|
|
value ? "+" : "-",
|
|
allFlags));
|
|
|
|
} catch (IOException ioe) {
|
|
throw ioExceptionHandler(mConnection, ioe);
|
|
} finally {
|
|
destroyResponses();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Persists this folder. We will always perform the proper database operation (e.g.
|
|
* 'save' or 'update'). As an optimization, if a folder has not been modified, no
|
|
* database operations are performed.
|
|
*/
|
|
void save(Context context) {
|
|
final Mailbox mailbox = mMailbox;
|
|
if (!mailbox.isSaved()) {
|
|
mailbox.save(context);
|
|
mHash = mailbox.getHashes();
|
|
} else {
|
|
Object[] hash = mailbox.getHashes();
|
|
if (!Arrays.equals(mHash, hash)) {
|
|
mailbox.update(context, mailbox.toContentValues());
|
|
mHash = hash; // Save updated hash
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Selects the folder for use. Before performing any operations on this folder, it
|
|
* must be selected.
|
|
*/
|
|
private void doSelect() throws IOException, MessagingException {
|
|
List<ImapResponse> responses = mConnection.executeSimpleCommand(
|
|
String.format(ImapConstants.SELECT + " \"%s\"",
|
|
ImapStore.encodeFolderName(mName, mStore.mPathPrefix)));
|
|
|
|
// Assume the folder is opened read-write; unless we are notified otherwise
|
|
mMode = OpenMode.READ_WRITE;
|
|
int messageCount = -1;
|
|
for (ImapResponse response : responses) {
|
|
if (response.isDataResponse(1, ImapConstants.EXISTS)) {
|
|
messageCount = response.getStringOrEmpty(0).getNumberOrZero();
|
|
} else if (response.isOk()) {
|
|
final ImapString responseCode = response.getResponseCodeOrEmpty();
|
|
if (responseCode.is(ImapConstants.READ_ONLY)) {
|
|
mMode = OpenMode.READ_ONLY;
|
|
} else if (responseCode.is(ImapConstants.READ_WRITE)) {
|
|
mMode = OpenMode.READ_WRITE;
|
|
}
|
|
} else if (response.isTagged()) { // Not OK
|
|
throw new MessagingException("Can't open mailbox: "
|
|
+ response.getStatusResponseTextOrEmpty());
|
|
}
|
|
}
|
|
if (messageCount == -1) {
|
|
throw new MessagingException("Did not find message count during select");
|
|
}
|
|
mMessageCount = messageCount;
|
|
mExists = true;
|
|
}
|
|
|
|
private void checkOpen() throws MessagingException {
|
|
if (!isOpen()) {
|
|
throw new MessagingException("Folder " + mName + " is not open.");
|
|
}
|
|
}
|
|
|
|
private MessagingException ioExceptionHandler(ImapConnection connection, IOException ioe) {
|
|
if (Email.DEBUG) {
|
|
Log.d(Logging.LOG_TAG, "IO Exception detected: ", ioe);
|
|
}
|
|
connection.close();
|
|
if (connection == mConnection) {
|
|
mConnection = null; // To prevent close() from returning the connection to the pool.
|
|
close(false);
|
|
}
|
|
return new MessagingException("IO Error", ioe);
|
|
}
|
|
|
|
@Override
|
|
public boolean equals(Object o) {
|
|
if (o instanceof ImapFolder) {
|
|
return ((ImapFolder)o).mName.equals(mName);
|
|
}
|
|
return super.equals(o);
|
|
}
|
|
|
|
@Override
|
|
public Message createMessage(String uid) {
|
|
return new ImapMessage(uid, this);
|
|
}
|
|
}
|