| /* |
| * 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.phone.common.mail.store; |
| |
| import android.annotation.Nullable; |
| import android.content.Context; |
| import android.text.TextUtils; |
| import android.util.Base64DataException; |
| |
| import com.android.internal.annotations.VisibleForTesting; |
| import com.android.phone.common.R; |
| import com.android.phone.common.mail.AuthenticationFailedException; |
| import com.android.phone.common.mail.Body; |
| import com.android.phone.common.mail.FetchProfile; |
| import com.android.phone.common.mail.Flag; |
| import com.android.phone.common.mail.Message; |
| import com.android.phone.common.mail.MessagingException; |
| import com.android.phone.common.mail.Part; |
| import com.android.phone.common.mail.internet.BinaryTempFileBody; |
| import com.android.phone.common.mail.internet.MimeBodyPart; |
| import com.android.phone.common.mail.internet.MimeHeader; |
| import com.android.phone.common.mail.internet.MimeMultipart; |
| import com.android.phone.common.mail.internet.MimeUtility; |
| import com.android.phone.common.mail.store.ImapStore.ImapException; |
| import com.android.phone.common.mail.store.ImapStore.ImapMessage; |
| import com.android.phone.common.mail.store.imap.ImapConstants; |
| import com.android.phone.common.mail.store.imap.ImapElement; |
| import com.android.phone.common.mail.store.imap.ImapList; |
| import com.android.phone.common.mail.store.imap.ImapResponse; |
| import com.android.phone.common.mail.store.imap.ImapString; |
| import com.android.phone.common.mail.utils.LogUtils; |
| import com.android.phone.common.mail.utils.Utility; |
| import com.android.phone.vvm.omtp.OmtpEvents; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| import java.util.ArrayList; |
| import java.util.Date; |
| import java.util.HashMap; |
| import java.util.LinkedHashSet; |
| import java.util.List; |
| import java.util.Locale; |
| |
| public class ImapFolder { |
| private static final String TAG = "ImapFolder"; |
| private final static String[] PERMANENT_FLAGS = |
| { Flag.DELETED, Flag.SEEN, Flag.FLAGGED, Flag.ANSWERED }; |
| 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 String mMode; |
| private boolean mExists; |
| /** A set of hashes that can be used to track dirtiness */ |
| Object mHash[]; |
| |
| 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) { |
| mStore = store; |
| mName = name; |
| } |
| |
| /** |
| * Callback for each message retrieval. |
| */ |
| public interface MessageRetrievalListener { |
| public void messageRetrieved(Message message); |
| } |
| |
| private void destroyResponses() { |
| if (mConnection != null) { |
| mConnection.destroyResponses(); |
| } |
| } |
| |
| public void open(String mode) throws MessagingException { |
| try { |
| if (isOpen()) { |
| throw new AssertionError("Duplicated open on ImapFolder"); |
| } |
| 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; |
| } |
| } |
| |
| public boolean isOpen() { |
| return mExists && mConnection != null; |
| } |
| |
| public String getMode() { |
| return mMode; |
| } |
| |
| public void close(boolean expunge) { |
| if (expunge) { |
| try { |
| expunge(); |
| } catch (MessagingException e) { |
| LogUtils.e(TAG, e, "Messaging Exception"); |
| } |
| } |
| mMessageCount = -1; |
| synchronized (this) { |
| mConnection = null; |
| } |
| } |
| |
| public int getMessageCount() { |
| return mMessageCount; |
| } |
| |
| 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(mConnection.executeSimpleCommand(command)); |
| LogUtils.d(TAG, "searchForUids '" + searchCriteria + "' results: " + |
| result.length); |
| return result; |
| } catch (ImapException me) { |
| LogUtils.d(TAG, "ImapException in search: " + searchCriteria, me); |
| return Utility.EMPTY_STRINGS; // Not found |
| } catch (IOException ioe) { |
| LogUtils.d(TAG, "IOException in search: " + searchCriteria, ioe); |
| mStore.getImapHelper().handleEvent(OmtpEvents.DATA_GENERIC_IMAP_IOE); |
| throw ioExceptionHandler(mConnection, 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); |
| } |
| } |
| LogUtils.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. |
| LogUtils.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(); |
| 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); |
| } |
| |
| // 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 { |
| mConnection.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 = 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) { |
| LogUtils.v(TAG, e, "Error handling message"); |
| 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(); |
| message.parse(bodyStream); |
| } |
| 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(mStore.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. |
| LogUtils.e(TAG, "Error fetching body %s", e); |
| } |
| } |
| |
| if (listener != null) { |
| listener.messageRetrieved(message); |
| } |
| } finally { |
| destroyResponses(); |
| } |
| } while (!response.isTagged()); |
| } catch (IOException ioe) { |
| mStore.getImapHelper().handleEvent(OmtpEvents.DATA_GENERIC_IMAP_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 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\n" + context.getString(R.string.message_decode_error); |
| 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)) { |
| 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(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(mConnection.executeSimpleCommand(ImapConstants.EXPUNGE)); |
| } catch (IOException ioe) { |
| mStore.getImapHelper().handleEvent(OmtpEvents.DATA_GENERIC_IMAP_IOE); |
| throw ioExceptionHandler(mConnection, 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 { |
| mConnection.executeSimpleCommand(String.format(Locale.US, |
| ImapConstants.UID_STORE + " %s %s" + ImapConstants.FLAGS_SILENT + " (%s)", |
| ImapStore.joinMessageUids(messages), |
| value ? "+" : "-", |
| allFlags)); |
| |
| } catch (IOException ioe) { |
| mStore.getImapHelper().handleEvent(OmtpEvents.DATA_GENERIC_IMAP_IOE); |
| throw ioExceptionHandler(mConnection, 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 = mConnection.executeSimpleCommand( |
| String.format(Locale.US, ImapConstants.SELECT + " \"%s\"", mName)); |
| |
| // Assume the folder is opened read-write; unless we are notified otherwise |
| mMode = 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)) { |
| mMode = MODE_READ_ONLY; |
| } else if (responseCode.is(ImapConstants.READ_WRITE)) { |
| mMode = MODE_READ_WRITE; |
| } |
| } else if (response.isTagged()) { // Not OK |
| mStore.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"); |
| } |
| mMessageCount = messageCount; |
| mExists = 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 = mConnection.executeSimpleCommand( |
| String.format(Locale.US, ImapConstants.GETQUOTAROOT + " \"%s\"", mName)); |
| |
| 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) { |
| mStore.getImapHelper().handleEvent(OmtpEvents.DATA_GENERIC_IMAP_IOE); |
| throw ioExceptionHandler(mConnection, ioe); |
| } finally { |
| destroyResponses(); |
| } |
| return null; |
| } |
| |
| private void checkOpen() throws MessagingException { |
| if (!isOpen()) { |
| throw new MessagingException("Folder " + mName + " is not open."); |
| } |
| } |
| |
| private MessagingException ioExceptionHandler(ImapConnection connection, IOException ioe) { |
| LogUtils.d(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(MessagingException.IOERROR, "IO Error", ioe); |
| } |
| |
| public Message createMessage(String uid) { |
| return new ImapMessage(uid, this); |
| } |
| } |