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/*
* Copyright (C) 2015 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.voicemail.impl.mail.store;
import android.content.Context;
import android.support.annotation.Nullable;
import android.support.annotation.VisibleForTesting;
import android.text.TextUtils;
import android.util.ArrayMap;
import android.util.Base64DataException;
import com.android.voicemail.impl.OmtpEvents;
import com.android.voicemail.impl.VvmLog;
import com.android.voicemail.impl.mail.AuthenticationFailedException;
import com.android.voicemail.impl.mail.Body;
import com.android.voicemail.impl.mail.FetchProfile;
import com.android.voicemail.impl.mail.Flag;
import com.android.voicemail.impl.mail.Message;
import com.android.voicemail.impl.mail.MessagingException;
import com.android.voicemail.impl.mail.Part;
import com.android.voicemail.impl.mail.internet.BinaryTempFileBody;
import com.android.voicemail.impl.mail.internet.MimeBodyPart;
import com.android.voicemail.impl.mail.internet.MimeHeader;
import com.android.voicemail.impl.mail.internet.MimeMultipart;
import com.android.voicemail.impl.mail.internet.MimeUtility;
import com.android.voicemail.impl.mail.store.ImapStore.ImapException;
import com.android.voicemail.impl.mail.store.ImapStore.ImapMessage;
import com.android.voicemail.impl.mail.store.imap.ImapConstants;
import com.android.voicemail.impl.mail.store.imap.ImapElement;
import com.android.voicemail.impl.mail.store.imap.ImapList;
import com.android.voicemail.impl.mail.store.imap.ImapResponse;
import com.android.voicemail.impl.mail.store.imap.ImapString;
import com.android.voicemail.impl.mail.utils.Utility;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.Date;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Locale;
public class ImapFolder {
private static final String TAG = "ImapFolder";
private static final String[] PERMANENT_FLAGS = {
Flag.DELETED, Flag.SEEN, Flag.FLAGGED, Flag.ANSWERED
};
private static final int COPY_BUFFER_SIZE = 16 * 1024;
private final ImapStore store;
private final String name;
private int messageCount = -1;
private ImapConnection connection;
private String mode;
private boolean exists;
/** A set of hashes that can be used to track dirtiness */
Object[] hash;
public static final String MODE_READ_ONLY = "mode_read_only";
public static final String MODE_READ_WRITE = "mode_read_write";
public ImapFolder(ImapStore store, String name) {
this.store = store;
this.name = name;
}
/** Callback for each message retrieval. */
public interface MessageRetrievalListener {
public void messageRetrieved(Message message);
}
private void destroyResponses() {
if (connection != null) {
connection.destroyResponses();
}
}
public void open(String mode) throws MessagingException {
try {
if (isOpen()) {
throw new AssertionError("Duplicated open on ImapFolder");
}
synchronized (this) {
connection = store.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(connection, ioe);
} finally {
destroyResponses();
}
} catch (AuthenticationFailedException e) {
// Don't cache this connection, so we're forced to try connecting/login again
connection = null;
close(false);
throw e;
} catch (MessagingException e) {
exists = false;
close(false);
throw e;
}
}
public boolean isOpen() {
return exists && connection != null;
}
public String getMode() {
return mode;
}
public void close(boolean expunge) {
if (expunge) {
try {
expunge();
} catch (MessagingException e) {
VvmLog.e(TAG, "Messaging Exception", e);
}
}
messageCount = -1;
synchronized (this) {
connection = null;
}
}
public int getMessageCount() {
return messageCount;
}
String[] getSearchUids(List<ImapResponse> responses) {
// 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);
}
@VisibleForTesting
String[] searchForUids(String searchCriteria) throws MessagingException {
checkOpen();
try {
try {
final String command = ImapConstants.UID_SEARCH + " " + searchCriteria;
final String[] result = getSearchUids(connection.executeSimpleCommand(command));
VvmLog.d(TAG, "searchForUids '" + searchCriteria + "' results: " + result.length);
return result;
} catch (ImapException me) {
VvmLog.d(TAG, "ImapException in search: " + searchCriteria, me);
return Utility.EMPTY_STRINGS; // Not found
} catch (IOException ioe) {
VvmLog.d(TAG, "IOException in search: " + searchCriteria, ioe);
store.getImapHelper().handleEvent(OmtpEvents.DATA_GENERIC_IMAP_IOE);
throw ioExceptionHandler(connection, ioe);
}
} finally {
destroyResponses();
}
}
@Nullable
public Message getMessage(String uid) throws MessagingException {
checkOpen();
final String[] uids = searchForUids(ImapConstants.UID + " " + uid);
for (int i = 0; i < uids.length; i++) {
if (uids[i].equals(uid)) {
return new ImapMessage(uid, this);
}
}
VvmLog.e(TAG, "UID " + uid + " not found on server");
return null;
}
@VisibleForTesting
protected static boolean isAsciiString(String str) {
int len = str.length();
for (int i = 0; i < len; i++) {
char c = str.charAt(i);
if (c >= 128) return false;
}
return true;
}
public Message[] getMessages(String[] uids) throws MessagingException {
if (uids == null) {
uids = searchForUids("1:* NOT DELETED");
}
return getMessagesInternal(uids);
}
public Message[] getMessagesInternal(String[] uids) {
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);
}
return messages.toArray(Message.EMPTY_ARRAY);
}
public void fetch(Message[] messages, FetchProfile fp, MessageRetrievalListener listener)
throws MessagingException {
try {
fetchInternal(messages, fp, listener);
} catch (RuntimeException e) { // Probably a parser error.
VvmLog.w(TAG, "Exception detected: " + e.getMessage());
throw e;
}
}
public void fetchInternal(Message[] messages, FetchProfile fp, MessageRetrievalListener listener)
throws MessagingException {
if (messages.length == 0) {
return;
}
checkOpen();
ArrayMap<String, Message> messageMap = new ArrayMap<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);
}
// TODO Why are we only fetching the first part given?
final Part fetchPart = fp.getFirstPart();
if (fetchPart != null) {
final String[] partIds = fetchPart.getHeader(MimeHeader.HEADER_ANDROID_ATTACHMENT_STORE_DATA);
// TODO Why can a single part have more than one Id? And why should we only fetch
// the first id if there are more than one?
if (partIds != null) {
fetchFields.add(ImapConstants.FETCH_FIELD_BODY_PEEK_BARE + "[" + partIds[0] + "]");
}
}
try {
connection.sendCommand(
String.format(
Locale.US,
ImapConstants.UID_FETCH + " %s (%s)",
ImapStore.joinMessageUids(messages),
Utility.combine(fetchFields.toArray(new String[fetchFields.size()]), ' ')),
false);
ImapResponse response;
do {
response = null;
try {
response = connection.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);
try {
message.parse(Utility.streamFromAsciiString(header));
} catch (Exception e) {
VvmLog.e(TAG, "Error parsing header %s", e);
}
}
if (fp.contains(FetchProfile.Item.STRUCTURE)) {
ImapList bs = fetchList.getKeyedListOrEmpty(ImapConstants.BODYSTRUCTURE);
if (!bs.isEmpty()) {
try {
parseBodyStructure(bs, message, ImapConstants.TEXT);
} catch (MessagingException e) {
VvmLog.v(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);
InputStream bodyStream = body.getAsStream();
try {
message.parse(bodyStream);
} catch (Exception e) {
VvmLog.e(TAG, "Error parsing body %s", e);
}
}
if (fetchPart != null) {
InputStream bodyStream = fetchList.getKeyedStringOrEmpty("BODY[", true).getAsStream();
String[] encodings = fetchPart.getHeader(MimeHeader.HEADER_CONTENT_TRANSFER_ENCODING);
String contentTransferEncoding = null;
if (encodings != null && encodings.length > 0) {
contentTransferEncoding = encodings[0];
} else {
// According to http://tools.ietf.org/html/rfc2045#section-6.1
// "7bit" is the default.
contentTransferEncoding = "7bit";
}
try {
// 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.)
message.setBody(
decodeBody(
store.getContext(),
bodyStream,
contentTransferEncoding,
fetchPart.getSize(),
listener));
} catch (Exception e) {
// TODO: Figure out what kinds of exceptions might actually be thrown
// from here. This blanket catch-all is because we're not sure what to
// do if we don't have a contentTransferEncoding, and we don't have
// time to figure out what exceptions might be thrown.
VvmLog.e(TAG, "Error fetching body %s", e);
}
}
if (listener != null) {
listener.messageRetrieved(message);
}
} finally {
destroyResponses();
}
} while (!response.isTagged());
} catch (IOException ioe) {
store.getImapHelper().handleEvent(OmtpEvents.DATA_GENERIC_IMAP_IOE);
throw ioExceptionHandler(connection, ioe);
}
}
/**
* Removes any content transfer encoding from the stream and returns a Body. This code is
* taken/condensed from MimeUtility.decodeBody
*/
private static Body decodeBody(
Context context,
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;
}
} catch (Base64DataException bde) {
String warning = "\n\nThere was an error while decoding the message.";
out.write(warning.getBytes());
} finally {
out.close();
}
return tempBody;
}
public String[] 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)) {
messageCount = 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(Locale.US));
}
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(Locale.US);
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(Locale.US);
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(
Locale.US,
";\n %s=\"%s\"",
bodyDispositionParams
.getStringOrEmpty(i - 1)
.getString()
.toLowerCase(Locale.US),
bodyDispositionParams.getStringOrEmpty(i).getString()));
}
}
}
if ((size > 0)
&& (MimeUtility.getHeaderParameter(contentDisposition.toString(), "size") == null)) {
contentDisposition.append(String.format(Locale.US, ";\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);
}
}
public Message[] expunge() throws MessagingException {
checkOpen();
try {
handleUntaggedResponses(connection.executeSimpleCommand(ImapConstants.EXPUNGE));
} catch (IOException ioe) {
store.getImapHelper().handleEvent(OmtpEvents.DATA_GENERIC_IMAP_IOE);
throw ioExceptionHandler(connection, ioe);
} finally {
destroyResponses();
}
return null;
}
public void setFlags(Message[] messages, String[] 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++) {
String 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);
} else if (flag == Flag.ANSWERED) {
flagList.append(" " + ImapConstants.FLAG_ANSWERED);
}
}
allFlags = flagList.substring(1);
}
try {
connection.executeSimpleCommand(
String.format(
Locale.US,
ImapConstants.UID_STORE + " %s %s" + ImapConstants.FLAGS_SILENT + " (%s)",
ImapStore.joinMessageUids(messages),
value ? "+" : "-",
allFlags));
} catch (IOException ioe) {
store.getImapHelper().handleEvent(OmtpEvents.DATA_GENERIC_IMAP_IOE);
throw ioExceptionHandler(connection, ioe);
} finally {
destroyResponses();
}
}
/**
* Selects the folder for use. Before performing any operations on this folder, it must be
* selected.
*/
private void doSelect() throws IOException, MessagingException {
final List<ImapResponse> responses =
connection.executeSimpleCommand(
String.format(Locale.US, ImapConstants.SELECT + " \"%s\"", name));
// Assume the folder is opened read-write; unless we are notified otherwise
mode = MODE_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)) {
mode = MODE_READ_ONLY;
} else if (responseCode.is(ImapConstants.READ_WRITE)) {
mode = MODE_READ_WRITE;
}
} else if (response.isTagged()) { // Not OK
store.getImapHelper().handleEvent(OmtpEvents.DATA_MAILBOX_OPEN_FAILED);
throw new MessagingException(
"Can't open mailbox: " + response.getStatusResponseTextOrEmpty());
}
}
if (messageCount == -1) {
throw new MessagingException("Did not find message count during select");
}
this.messageCount = messageCount;
exists = true;
}
public class Quota {
public final int occupied;
public final int total;
public Quota(int occupied, int total) {
this.occupied = occupied;
this.total = total;
}
}
public Quota getQuota() throws MessagingException {
try {
final List<ImapResponse> responses =
connection.executeSimpleCommand(
String.format(Locale.US, ImapConstants.GETQUOTAROOT + " \"%s\"", name));
for (ImapResponse response : responses) {
if (!response.isDataResponse(0, ImapConstants.QUOTA)) {
continue;
}
ImapList list = response.getListOrEmpty(2);
for (int i = 0; i < list.size(); i += 3) {
if (!list.getStringOrEmpty(i).is("voice")) {
continue;
}
return new Quota(
list.getStringOrEmpty(i + 1).getNumber(-1),
list.getStringOrEmpty(i + 2).getNumber(-1));
}
}
} catch (IOException ioe) {
store.getImapHelper().handleEvent(OmtpEvents.DATA_GENERIC_IMAP_IOE);
throw ioExceptionHandler(connection, ioe);
} finally {
destroyResponses();
}
return null;
}
private void checkOpen() throws MessagingException {
if (!isOpen()) {
throw new MessagingException("Folder " + name + " is not open.");
}
}
private MessagingException ioExceptionHandler(ImapConnection connection, IOException ioe) {
VvmLog.d(TAG, "IO Exception detected: ", ioe);
connection.close();
if (connection == this.connection) {
this.connection = null; // To prevent close() from returning the connection to the pool.
close(false);
}
return new MessagingException(MessagingException.IOERROR, "IO Error", ioe);
}
public Message createMessage(String uid) {
return new ImapMessage(uid, this);
}
}
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