diff options
Diffstat (limited to 'java/com/android/voicemailomtp/mail/store')
14 files changed, 0 insertions, 3375 deletions
diff --git a/java/com/android/voicemailomtp/mail/store/ImapConnection.java b/java/com/android/voicemailomtp/mail/store/ImapConnection.java deleted file mode 100644 index 61dcf1281..000000000 --- a/java/com/android/voicemailomtp/mail/store/ImapConnection.java +++ /dev/null @@ -1,413 +0,0 @@ -/* - * 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.voicemailomtp.mail.store; - -import android.util.ArraySet; -import android.util.Base64; -import com.android.voicemailomtp.mail.AuthenticationFailedException; -import com.android.voicemailomtp.mail.CertificateValidationException; -import com.android.voicemailomtp.mail.MailTransport; -import com.android.voicemailomtp.mail.MessagingException; -import com.android.voicemailomtp.mail.store.ImapStore.ImapException; -import com.android.voicemailomtp.mail.store.imap.DigestMd5Utils; -import com.android.voicemailomtp.mail.store.imap.ImapConstants; -import com.android.voicemailomtp.mail.store.imap.ImapResponse; -import com.android.voicemailomtp.mail.store.imap.ImapResponseParser; -import com.android.voicemailomtp.mail.store.imap.ImapUtility; -import com.android.voicemailomtp.mail.utils.LogUtils; -import com.android.voicemailomtp.OmtpEvents; -import com.android.voicemailomtp.VvmLog; -import java.io.IOException; -import java.util.ArrayList; -import java.util.List; -import java.util.Map; -import java.util.Set; -import java.util.concurrent.atomic.AtomicInteger; -import javax.net.ssl.SSLException; - -/** - * A cacheable class that stores the details for a single IMAP connection. - */ -public class ImapConnection { - private final String TAG = "ImapConnection"; - - private String mLoginPhrase; - private ImapStore mImapStore; - private MailTransport mTransport; - private ImapResponseParser mParser; - private Set<String> mCapabilities = new ArraySet<>(); - - static final String IMAP_REDACTED_LOG = "[IMAP command redacted]"; - - /** - * Next tag to use. All connections associated to the same ImapStore instance share the same - * counter to make tests simpler. - * (Some of the tests involve multiple connections but only have a single counter to track the - * tag.) - */ - private final AtomicInteger mNextCommandTag = new AtomicInteger(0); - - ImapConnection(ImapStore store) { - setStore(store); - } - - void setStore(ImapStore store) { - // TODO: maybe we should throw an exception if the connection is not closed here, - // if it's not currently closed, then we won't reopen it, so if the credentials have - // changed, the connection will not be reestablished. - mImapStore = store; - mLoginPhrase = null; - } - - /** - * Generates and returns the phrase to be used for authentication. This will be a LOGIN with - * username and password. - * - * @return the login command string to sent to the IMAP server - */ - String getLoginPhrase() { - if (mLoginPhrase == null) { - if (mImapStore.getUsername() != null && mImapStore.getPassword() != null) { - // build the LOGIN string once (instead of over-and-over again.) - // apply the quoting here around the built-up password - mLoginPhrase = ImapConstants.LOGIN + " " + mImapStore.getUsername() + " " - + ImapUtility.imapQuoted(mImapStore.getPassword()); - } - } - return mLoginPhrase; - } - - public void open() throws IOException, MessagingException { - if (mTransport != null && mTransport.isOpen()) { - return; - } - - try { - // copy configuration into a clean transport, if necessary - if (mTransport == null) { - mTransport = mImapStore.cloneTransport(); - } - - mTransport.open(); - - createParser(); - - // The server should greet us with something like - // * OK IMAP4rev1 Server - // consume the response before doing anything else. - ImapResponse response = mParser.readResponse(false); - if (!response.isOk()) { - mImapStore.getImapHelper() - .handleEvent(OmtpEvents.DATA_INVALID_INITIAL_SERVER_RESPONSE); - throw new MessagingException( - MessagingException.AUTHENTICATION_FAILED_OR_SERVER_ERROR, - "Invalid server initial response"); - } - - queryCapability(); - - maybeDoStartTls(); - - // LOGIN - doLogin(); - } catch (SSLException e) { - LogUtils.d(TAG, "SSLException ", e); - mImapStore.getImapHelper().handleEvent(OmtpEvents.DATA_SSL_EXCEPTION); - throw new CertificateValidationException(e.getMessage(), e); - } catch (IOException ioe) { - LogUtils.d(TAG, "IOException", ioe); - mImapStore.getImapHelper().handleEvent(OmtpEvents.DATA_IOE_ON_OPEN); - throw ioe; - } finally { - destroyResponses(); - } - } - - void logout() { - try { - sendCommand(ImapConstants.LOGOUT, false); - if (!mParser.readResponse(true).is(0, ImapConstants.BYE)) { - VvmLog.e(TAG, "Server did not respond LOGOUT with BYE"); - } - if (!mParser.readResponse(false).isOk()) { - VvmLog.e(TAG, "Server did not respond OK after LOGOUT"); - } - } catch (IOException | MessagingException e) { - VvmLog.e(TAG, "Error while logging out:" + e); - } - } - - /** - * Closes the connection and releases all resources. This connection can not be used again - * until {@link #setStore(ImapStore)} is called. - */ - void close() { - if (mTransport != null) { - logout(); - mTransport.close(); - mTransport = null; - } - destroyResponses(); - mParser = null; - mImapStore = null; - } - - /** - * Attempts to convert the connection into secure connection. - */ - private void maybeDoStartTls() throws IOException, MessagingException { - // STARTTLS is required in the OMTP standard but not every implementation support it. - // Make sure the server does have this capability - if (hasCapability(ImapConstants.CAPABILITY_STARTTLS)) { - executeSimpleCommand(ImapConstants.STARTTLS); - mTransport.reopenTls(); - createParser(); - // The cached capabilities should be refreshed after TLS is established. - queryCapability(); - } - } - - /** - * Logs into the IMAP server - */ - private void doLogin() throws IOException, MessagingException, AuthenticationFailedException { - try { - if (mCapabilities.contains(ImapConstants.CAPABILITY_AUTH_DIGEST_MD5)) { - doDigestMd5Auth(); - } else { - executeSimpleCommand(getLoginPhrase(), true); - } - } catch (ImapException ie) { - LogUtils.d(TAG, "ImapException", ie); - String status = ie.getStatus(); - String statusMessage = ie.getStatusMessage(); - String alertText = ie.getAlertText(); - - if (ImapConstants.NO.equals(status)) { - switch (statusMessage) { - case ImapConstants.NO_UNKNOWN_USER: - mImapStore.getImapHelper().handleEvent(OmtpEvents.DATA_AUTH_UNKNOWN_USER); - break; - case ImapConstants.NO_UNKNOWN_CLIENT: - mImapStore.getImapHelper().handleEvent(OmtpEvents.DATA_AUTH_UNKNOWN_DEVICE); - break; - case ImapConstants.NO_INVALID_PASSWORD: - mImapStore.getImapHelper() - .handleEvent(OmtpEvents.DATA_AUTH_INVALID_PASSWORD); - break; - case ImapConstants.NO_MAILBOX_NOT_INITIALIZED: - mImapStore.getImapHelper() - .handleEvent(OmtpEvents.DATA_AUTH_MAILBOX_NOT_INITIALIZED); - break; - case ImapConstants.NO_SERVICE_IS_NOT_PROVISIONED: - mImapStore.getImapHelper() - .handleEvent(OmtpEvents.DATA_AUTH_SERVICE_NOT_PROVISIONED); - break; - case ImapConstants.NO_SERVICE_IS_NOT_ACTIVATED: - mImapStore.getImapHelper() - .handleEvent(OmtpEvents.DATA_AUTH_SERVICE_NOT_ACTIVATED); - break; - case ImapConstants.NO_USER_IS_BLOCKED: - mImapStore.getImapHelper() - .handleEvent(OmtpEvents.DATA_AUTH_USER_IS_BLOCKED); - break; - case ImapConstants.NO_APPLICATION_ERROR: - mImapStore.getImapHelper() - .handleEvent(OmtpEvents.DATA_REJECTED_SERVER_RESPONSE); - default: - mImapStore.getImapHelper().handleEvent(OmtpEvents.DATA_BAD_IMAP_CREDENTIAL); - } - throw new AuthenticationFailedException(alertText, ie); - } - - mImapStore.getImapHelper().handleEvent(OmtpEvents.DATA_REJECTED_SERVER_RESPONSE); - throw new MessagingException(alertText, ie); - } - } - - private void doDigestMd5Auth() throws IOException, MessagingException { - - // Initiate the authentication. - // The server will issue us a challenge, asking to run MD5 on the nonce with our password - // and other data, including the cnonce we randomly generated. - // - // C: a AUTHENTICATE DIGEST-MD5 - // S: (BASE64) realm="elwood.innosoft.com",nonce="OA6MG9tEQGm2hh",qop="auth", - // algorithm=md5-sess,charset=utf-8 - List<ImapResponse> responses = executeSimpleCommand( - ImapConstants.AUTHENTICATE + " " + ImapConstants.AUTH_DIGEST_MD5); - String decodedChallenge = decodeBase64(responses.get(0).getStringOrEmpty(0).getString()); - - Map<String, String> challenge = DigestMd5Utils.parseDigestMessage(decodedChallenge); - DigestMd5Utils.Data data = new DigestMd5Utils.Data(mImapStore, mTransport, challenge); - - String response = data.createResponse(); - // Respond to the challenge. If the server accepts it, it will reply a response-auth which - // is the MD5 of our password and the cnonce we've provided, to prove the server does know - // the password. - // - // C: (BASE64) charset=utf-8,username="chris",realm="elwood.innosoft.com", - // nonce="OA6MG9tEQGm2hh",nc=00000001,cnonce="OA6MHXh6VqTrRk", - // digest-uri="imap/elwood.innosoft.com", - // response=d388dad90d4bbd760a152321f2143af7,qop=auth - // S: (BASE64) rspauth=ea40f60335c427b5527b84dbabcdfffd - - responses = executeContinuationResponse(encodeBase64(response), true); - - // Verify response-auth. - // If failed verifyResponseAuth() will throw a MessagingException, terminating the - // connection - String decodedResponseAuth = decodeBase64(responses.get(0).getStringOrEmpty(0).getString()); - data.verifyResponseAuth(decodedResponseAuth); - - // Send a empty response to indicate we've accepted the response-auth - // - // C: (empty) - // S: a OK User logged in - executeContinuationResponse("", false); - - } - - private static String decodeBase64(String string) { - return new String(Base64.decode(string, Base64.DEFAULT)); - } - - private static String encodeBase64(String string) { - return Base64.encodeToString(string.getBytes(), Base64.NO_WRAP); - } - - private void queryCapability() throws IOException, MessagingException { - List<ImapResponse> responses = executeSimpleCommand(ImapConstants.CAPABILITY); - mCapabilities.clear(); - Set<String> disabledCapabilities = mImapStore.getImapHelper().getConfig() - .getDisabledCapabilities(); - for (ImapResponse response : responses) { - if (response.isTagged()) { - continue; - } - for (int i = 0; i < response.size(); i++) { - String capability = response.getStringOrEmpty(i).getString(); - if (disabledCapabilities != null) { - if (!disabledCapabilities.contains(capability)) { - mCapabilities.add(capability); - } - } else { - mCapabilities.add(capability); - } - } - } - - LogUtils.d(TAG, "Capabilities: " + mCapabilities.toString()); - } - - private boolean hasCapability(String capability) { - return mCapabilities.contains(capability); - } - /** - * Create an {@link ImapResponseParser} from {@code mTransport.getInputStream()} and - * set it to {@link #mParser}. - * - * If we already have an {@link ImapResponseParser}, we - * {@link #destroyResponses()} and throw it away. - */ - private void createParser() { - destroyResponses(); - mParser = new ImapResponseParser(mTransport.getInputStream()); - } - - - public void destroyResponses() { - if (mParser != null) { - mParser.destroyResponses(); - } - } - - public ImapResponse readResponse() throws IOException, MessagingException { - return mParser.readResponse(false); - } - - public List<ImapResponse> executeSimpleCommand(String command) - throws IOException, MessagingException{ - return executeSimpleCommand(command, false); - } - - /** - * Send a single command to the server. The command will be preceded by an IMAP command - * tag and followed by \r\n (caller need not supply them). - * Execute a simple command at the server, a simple command being one that is sent in a single - * line of text - * - * @param command the command to send to the server - * @param sensitive whether the command should be redacted in logs (used for login) - * @return a list of ImapResponses - * @throws IOException - * @throws MessagingException - */ - public List<ImapResponse> executeSimpleCommand(String command, boolean sensitive) - throws IOException, MessagingException { - // TODO: It may be nice to catch IOExceptions and close the connection here. - // Currently, we expect callers to do that, but if they fail to we'll be in a broken state. - sendCommand(command, sensitive); - return getCommandResponses(); - } - - public String sendCommand(String command, boolean sensitive) - throws IOException, MessagingException { - open(); - - if (mTransport == null) { - throw new IOException("Null transport"); - } - String tag = Integer.toString(mNextCommandTag.incrementAndGet()); - String commandToSend = tag + " " + command; - mTransport.writeLine(commandToSend, (sensitive ? IMAP_REDACTED_LOG : command)); - return tag; - } - - List<ImapResponse> executeContinuationResponse(String response, boolean sensitive) - throws IOException, MessagingException { - mTransport.writeLine(response, (sensitive ? IMAP_REDACTED_LOG : response)); - return getCommandResponses(); - } - - /** - * Read and return all of the responses from the most recent command sent to the server - * - * @return a list of ImapResponses - * @throws IOException - * @throws MessagingException - */ - List<ImapResponse> getCommandResponses() - throws IOException, MessagingException { - final List<ImapResponse> responses = new ArrayList<ImapResponse>(); - ImapResponse response; - do { - response = mParser.readResponse(false); - responses.add(response); - } while (!(response.isTagged() || response.isContinuationRequest())); - - if (!(response.isOk() || response.isContinuationRequest())) { - final String toString = response.toString(); - final String status = response.getStatusOrEmpty().getString(); - final String statusMessage = response.getStatusResponseTextOrEmpty().getString(); - final String alert = response.getAlertTextOrEmpty().getString(); - final String responseCode = response.getResponseCodeOrEmpty().getString(); - destroyResponses(); - throw new ImapException(toString, status, statusMessage, alert, responseCode); - } - return responses; - } -} diff --git a/java/com/android/voicemailomtp/mail/store/ImapFolder.java b/java/com/android/voicemailomtp/mail/store/ImapFolder.java deleted file mode 100644 index eca349876..000000000 --- a/java/com/android/voicemailomtp/mail/store/ImapFolder.java +++ /dev/null @@ -1,784 +0,0 @@ -/* - * 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.voicemailomtp.mail.store; - -import android.content.Context; -import android.support.annotation.Nullable; -import android.support.annotation.VisibleForTesting; -import android.text.TextUtils; -import android.util.Base64DataException; -import com.android.voicemailomtp.OmtpEvents; -import com.android.voicemailomtp.mail.AuthenticationFailedException; -import com.android.voicemailomtp.mail.Body; -import com.android.voicemailomtp.mail.FetchProfile; -import com.android.voicemailomtp.mail.Flag; -import com.android.voicemailomtp.mail.Message; -import com.android.voicemailomtp.mail.MessagingException; -import com.android.voicemailomtp.mail.Part; -import com.android.voicemailomtp.mail.internet.BinaryTempFileBody; -import com.android.voicemailomtp.mail.internet.MimeBodyPart; -import com.android.voicemailomtp.mail.internet.MimeHeader; -import com.android.voicemailomtp.mail.internet.MimeMultipart; -import com.android.voicemailomtp.mail.internet.MimeUtility; -import com.android.voicemailomtp.mail.store.ImapStore.ImapException; -import com.android.voicemailomtp.mail.store.ImapStore.ImapMessage; -import com.android.voicemailomtp.mail.store.imap.ImapConstants; -import com.android.voicemailomtp.mail.store.imap.ImapElement; -import com.android.voicemailomtp.mail.store.imap.ImapList; -import com.android.voicemailomtp.mail.store.imap.ImapResponse; -import com.android.voicemailomtp.mail.store.imap.ImapString; -import com.android.voicemailomtp.mail.utils.LogUtils; -import com.android.voicemailomtp.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.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\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)) { - 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); - } -}
\ No newline at end of file diff --git a/java/com/android/voicemailomtp/mail/store/ImapStore.java b/java/com/android/voicemailomtp/mail/store/ImapStore.java deleted file mode 100644 index f3e0c098e..000000000 --- a/java/com/android/voicemailomtp/mail/store/ImapStore.java +++ /dev/null @@ -1,176 +0,0 @@ -/* - * 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.voicemailomtp.mail.store; - -import android.content.Context; -import android.net.Network; - -import com.android.voicemailomtp.mail.MailTransport; -import com.android.voicemailomtp.mail.Message; -import com.android.voicemailomtp.mail.MessagingException; -import com.android.voicemailomtp.mail.internet.MimeMessage; -import com.android.voicemailomtp.imap.ImapHelper; - -import java.io.IOException; -import java.io.InputStream; - -public class ImapStore { - /** - * A global suggestion to Store implementors on how much of the body - * should be returned on FetchProfile.Item.BODY_SANE requests. We'll use 125k now. - */ - public static final int FETCH_BODY_SANE_SUGGESTED_SIZE = (125 * 1024); - private final Context mContext; - private final ImapHelper mHelper; - private final String mUsername; - private final String mPassword; - private final MailTransport mTransport; - private ImapConnection mConnection; - - public static final int FLAG_NONE = 0x00; // No flags - public static final int FLAG_SSL = 0x01; // Use SSL - public static final int FLAG_TLS = 0x02; // Use TLS - public static final int FLAG_AUTHENTICATE = 0x04; // Use name/password for authentication - public static final int FLAG_TRUST_ALL = 0x08; // Trust all certificates - public static final int FLAG_OAUTH = 0x10; // Use OAuth for authentication - - /** - * Contains all the information necessary to log into an imap server - */ - public ImapStore(Context context, ImapHelper helper, String username, String password, int port, - String serverName, int flags, Network network) { - mContext = context; - mHelper = helper; - mUsername = username; - mPassword = password; - mTransport = new MailTransport(context, this.getImapHelper(), - network, serverName, port, flags); - } - - public Context getContext() { - return mContext; - } - - public ImapHelper getImapHelper() { - return mHelper; - } - - public String getUsername() { - return mUsername; - } - - public String getPassword() { - return mPassword; - } - - /** Returns a clone of the transport associated with this store. */ - MailTransport cloneTransport() { - return mTransport.clone(); - } - - /** - * Returns UIDs of Messages joined with "," as the separator. - */ - static String joinMessageUids(Message[] messages) { - StringBuilder sb = new StringBuilder(); - boolean notFirst = false; - for (Message m : messages) { - if (notFirst) { - sb.append(','); - } - sb.append(m.getUid()); - notFirst = true; - } - return sb.toString(); - } - - static class ImapMessage extends MimeMessage { - private ImapFolder mFolder; - - ImapMessage(String uid, ImapFolder folder) { - mUid = uid; - mFolder = folder; - } - - public void setSize(int size) { - mSize = size; - } - - @Override - public void parse(InputStream in) throws IOException, MessagingException { - super.parse(in); - } - - public void setFlagInternal(String flag, boolean set) throws MessagingException { - super.setFlag(flag, set); - } - - @Override - public void setFlag(String flag, boolean set) throws MessagingException { - super.setFlag(flag, set); - mFolder.setFlags(new Message[] { this }, new String[] { flag }, set); - } - } - - static class ImapException extends MessagingException { - private static final long serialVersionUID = 1L; - - private final String mStatus; - private final String mStatusMessage; - private final String mAlertText; - private final String mResponseCode; - - public ImapException(String message, String status, String statusMessage, String alertText, - String responseCode) { - super(message); - mStatus = status; - mStatusMessage = statusMessage; - mAlertText = alertText; - mResponseCode = responseCode; - } - - public String getStatus() { - return mStatus; - } - - public String getStatusMessage() { - return mStatusMessage; - } - - public String getAlertText() { - return mAlertText; - } - - public String getResponseCode() { - return mResponseCode; - } - } - - public void closeConnection() { - if (mConnection != null) { - mConnection.close(); - mConnection = null; - } - } - - public ImapConnection getConnection() { - if (mConnection == null) { - mConnection = new ImapConnection(this); - } - return mConnection; - } -}
\ No newline at end of file diff --git a/java/com/android/voicemailomtp/mail/store/imap/DigestMd5Utils.java b/java/com/android/voicemailomtp/mail/store/imap/DigestMd5Utils.java deleted file mode 100644 index b78f55293..000000000 --- a/java/com/android/voicemailomtp/mail/store/imap/DigestMd5Utils.java +++ /dev/null @@ -1,335 +0,0 @@ -/* - * Copyright (C) 2016 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.voicemailomtp.mail.store.imap; - -import android.annotation.TargetApi; -import android.os.Build.VERSION_CODES; -import android.support.annotation.Nullable; -import android.support.annotation.VisibleForTesting; -import android.util.ArrayMap; -import android.util.Base64; -import com.android.voicemailomtp.VvmLog; -import com.android.voicemailomtp.mail.MailTransport; -import com.android.voicemailomtp.mail.MessagingException; -import com.android.voicemailomtp.mail.store.ImapStore; -import java.nio.charset.StandardCharsets; -import java.security.MessageDigest; -import java.security.NoSuchAlgorithmException; -import java.security.SecureRandom; -import java.util.Map; - -@SuppressWarnings("AndroidApiChecker") // Map.getOrDefault() is java8 -@TargetApi(VERSION_CODES.CUR_DEVELOPMENT) -public class DigestMd5Utils { - - private static final String TAG = "DigestMd5Utils"; - - private static final String DIGEST_CHARSET = "CHARSET"; - private static final String DIGEST_USERNAME = "username"; - private static final String DIGEST_REALM = "realm"; - private static final String DIGEST_NONCE = "nonce"; - private static final String DIGEST_NC = "nc"; - private static final String DIGEST_CNONCE = "cnonce"; - private static final String DIGEST_URI = "digest-uri"; - private static final String DIGEST_RESPONSE = "response"; - private static final String DIGEST_QOP = "qop"; - - private static final String RESPONSE_AUTH_HEADER = "rspauth="; - private static final String HEX_CHARS = "0123456789abcdef"; - - /** - * Represents the set of data we need to generate the DIGEST-MD5 response. - */ - public static class Data { - - private static final String CHARSET = "utf-8"; - - public String username; - public String password; - public String realm; - public String nonce; - public String nc; - public String cnonce; - public String digestUri; - public String qop; - - @VisibleForTesting - Data() { - // Do nothing - } - - public Data(ImapStore imapStore, MailTransport transport, Map<String, String> challenge) { - username = imapStore.getUsername(); - password = imapStore.getPassword(); - realm = challenge.getOrDefault(DIGEST_REALM, ""); - nonce = challenge.get(DIGEST_NONCE); - cnonce = createCnonce(); - nc = "00000001"; // Subsequent Authentication not supported, nounce count always 1. - qop = "auth"; // Other config not supported - digestUri = "imap/" + transport.getHost(); - } - - private static String createCnonce() { - SecureRandom generator = new SecureRandom(); - - // At least 64 bits of entropy is required - byte[] rawBytes = new byte[8]; - generator.nextBytes(rawBytes); - - return Base64.encodeToString(rawBytes, Base64.NO_WRAP); - } - - /** - * Verify the response-auth returned by the server is correct. - */ - public void verifyResponseAuth(String response) - throws MessagingException { - if (!response.startsWith(RESPONSE_AUTH_HEADER)) { - throw new MessagingException("response-auth expected"); - } - if (!response.substring(RESPONSE_AUTH_HEADER.length()) - .equals(DigestMd5Utils.getResponse(this, true))) { - throw new MessagingException("invalid response-auth return from the server."); - } - } - - public String createResponse() { - String response = getResponse(this, false); - ResponseBuilder builder = new ResponseBuilder(); - builder - .append(DIGEST_CHARSET, CHARSET) - .appendQuoted(DIGEST_USERNAME, username) - .appendQuoted(DIGEST_REALM, realm) - .appendQuoted(DIGEST_NONCE, nonce) - .append(DIGEST_NC, nc) - .appendQuoted(DIGEST_CNONCE, cnonce) - .appendQuoted(DIGEST_URI, digestUri) - .append(DIGEST_RESPONSE, response) - .append(DIGEST_QOP, qop); - return builder.toString(); - } - - private static class ResponseBuilder { - - private StringBuilder mBuilder = new StringBuilder(); - - public ResponseBuilder appendQuoted(String key, String value) { - if (mBuilder.length() != 0) { - mBuilder.append(","); - } - mBuilder.append(key).append("=\"").append(value).append("\""); - return this; - } - - public ResponseBuilder append(String key, String value) { - if (mBuilder.length() != 0) { - mBuilder.append(","); - } - mBuilder.append(key).append("=").append(value); - return this; - } - - @Override - public String toString() { - return mBuilder.toString(); - } - } - } - - /* - response-value = - toHex( getKeyDigest ( toHex(getMd5(a1)), - { nonce-value, ":" nc-value, ":", - cnonce-value, ":", qop-value, ":", toHex(getMd5(a2)) })) - * @param isResponseAuth is the response the one the server is returning us. response-auth has - * different a2 format. - */ - @VisibleForTesting - static String getResponse(Data data, boolean isResponseAuth) { - StringBuilder a1 = new StringBuilder(); - a1.append(new String( - getMd5(data.username + ":" + data.realm + ":" + data.password), - StandardCharsets.ISO_8859_1)); - a1.append(":").append(data.nonce).append(":").append(data.cnonce); - - StringBuilder a2 = new StringBuilder(); - if (!isResponseAuth) { - a2.append("AUTHENTICATE"); - } - a2.append(":").append(data.digestUri); - - return toHex(getKeyDigest( - toHex(getMd5(a1.toString())), - data.nonce + ":" + data.nc + ":" + data.cnonce + ":" + data.qop + ":" + toHex( - getMd5(a2.toString())) - )); - } - - /** - * Let getMd5(s) be the 16 octet MD5 hash [RFC 1321] of the octet string s. - */ - private static byte[] getMd5(String s) { - try { - MessageDigest digester = MessageDigest.getInstance("MD5"); - digester.update(s.getBytes(StandardCharsets.ISO_8859_1)); - return digester.digest(); - } catch (NoSuchAlgorithmException e) { - throw new AssertionError(e); - } - } - - /** - * Let getKeyDigest(k, s) be getMd5({k, ":", s}), i.e., the 16 octet hash of the string k, a colon and the - * string s. - */ - private static byte[] getKeyDigest(String k, String s) { - StringBuilder builder = new StringBuilder(k).append(":").append(s); - return getMd5(builder.toString()); - } - - /** - * Let toHex(n) be the representation of the 16 octet MD5 hash n as a string of 32 hex digits - * (with alphabetic characters always in lower case, since MD5 is case sensitive). - */ - private static String toHex(byte[] n) { - StringBuilder result = new StringBuilder(); - for (byte b : n) { - int unsignedByte = b & 0xFF; - result.append(HEX_CHARS.charAt(unsignedByte / 16)) - .append(HEX_CHARS.charAt(unsignedByte % 16)); - } - return result.toString(); - } - - public static Map<String, String> parseDigestMessage(String message) throws MessagingException { - Map<String, String> result = new DigestMessageParser(message).parse(); - if (!result.containsKey(DIGEST_NONCE)) { - throw new MessagingException("nonce missing from server DIGEST-MD5 challenge"); - } - return result; - } - - /** - * Parse the key-value pair returned by the server. - */ - private static class DigestMessageParser { - - private final String mMessage; - private int mPosition = 0; - private Map<String, String> mResult = new ArrayMap<>(); - - public DigestMessageParser(String message) { - mMessage = message; - } - - @Nullable - public Map<String, String> parse() { - try { - while (mPosition < mMessage.length()) { - parsePair(); - if (mPosition != mMessage.length()) { - expect(','); - } - } - } catch (IndexOutOfBoundsException e) { - VvmLog.e(TAG, e.toString()); - return null; - } - return mResult; - } - - private void parsePair() { - String key = parseKey(); - expect('='); - String value = parseValue(); - mResult.put(key, value); - } - - private void expect(char c) { - if (pop() != c) { - throw new IllegalStateException( - "unexpected character " + mMessage.charAt(mPosition)); - } - } - - private char pop() { - char result = peek(); - mPosition++; - return result; - } - - private char peek() { - return mMessage.charAt(mPosition); - } - - private void goToNext(char c) { - while (peek() != c) { - mPosition++; - } - } - - private String parseKey() { - int start = mPosition; - goToNext('='); - return mMessage.substring(start, mPosition); - } - - private String parseValue() { - if (peek() == '"') { - return parseQuotedValue(); - } else { - return parseUnquotedValue(); - } - } - - private String parseQuotedValue() { - expect('"'); - StringBuilder result = new StringBuilder(); - while (true) { - char c = pop(); - if (c == '\\') { - result.append(pop()); - } else if (c == '"') { - break; - } else { - result.append(c); - } - } - return result.toString(); - } - - private String parseUnquotedValue() { - StringBuilder result = new StringBuilder(); - while (true) { - char c = pop(); - if (c == '\\') { - result.append(pop()); - } else if (c == ',') { - mPosition--; - break; - } else { - result.append(c); - } - - if (mPosition == mMessage.length()) { - break; - } - } - return result.toString(); - } - } -} diff --git a/java/com/android/voicemailomtp/mail/store/imap/ImapConstants.java b/java/com/android/voicemailomtp/mail/store/imap/ImapConstants.java deleted file mode 100644 index d8e75752f..000000000 --- a/java/com/android/voicemailomtp/mail/store/imap/ImapConstants.java +++ /dev/null @@ -1,144 +0,0 @@ -/* - * 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.voicemailomtp.mail.store.imap; - -import com.android.voicemailomtp.mail.store.ImapStore; - -import java.util.Locale; - -public final class ImapConstants { - private ImapConstants() {} - - public static final String FETCH_FIELD_BODY_PEEK_BARE = "BODY.PEEK"; - public static final String FETCH_FIELD_BODY_PEEK = FETCH_FIELD_BODY_PEEK_BARE + "[]"; - public static final String FETCH_FIELD_BODY_PEEK_SANE = String.format( - Locale.US, "BODY.PEEK[]<0.%d>", ImapStore.FETCH_BODY_SANE_SUGGESTED_SIZE); - public static final String FETCH_FIELD_HEADERS = - "BODY.PEEK[HEADER.FIELDS (date subject from content-type to cc message-id)]"; - - public static final String ALERT = "ALERT"; - public static final String APPEND = "APPEND"; - public static final String AUTHENTICATE = "AUTHENTICATE"; - public static final String BAD = "BAD"; - public static final String BADCHARSET = "BADCHARSET"; - public static final String BODY = "BODY"; - public static final String BODY_BRACKET_HEADER = "BODY[HEADER"; - public static final String BODYSTRUCTURE = "BODYSTRUCTURE"; - public static final String BYE = "BYE"; - public static final String CAPABILITY = "CAPABILITY"; - public static final String CHECK = "CHECK"; - public static final String CLOSE = "CLOSE"; - public static final String COPY = "COPY"; - public static final String COPYUID = "COPYUID"; - public static final String CREATE = "CREATE"; - public static final String DELETE = "DELETE"; - public static final String EXAMINE = "EXAMINE"; - public static final String EXISTS = "EXISTS"; - public static final String EXPUNGE = "EXPUNGE"; - public static final String FETCH = "FETCH"; - public static final String FLAG_ANSWERED = "\\ANSWERED"; - public static final String FLAG_DELETED = "\\DELETED"; - public static final String FLAG_FLAGGED = "\\FLAGGED"; - public static final String FLAG_NO_SELECT = "\\NOSELECT"; - public static final String FLAG_SEEN = "\\SEEN"; - public static final String FLAGS = "FLAGS"; - public static final String FLAGS_SILENT = "FLAGS.SILENT"; - public static final String ID = "ID"; - public static final String INBOX = "INBOX"; - public static final String INTERNALDATE = "INTERNALDATE"; - public static final String LIST = "LIST"; - public static final String LOGIN = "LOGIN"; - public static final String LOGOUT = "LOGOUT"; - public static final String LSUB = "LSUB"; - public static final String NAMESPACE = "NAMESPACE"; - public static final String NO = "NO"; - public static final String NOOP = "NOOP"; - public static final String OK = "OK"; - public static final String PARSE = "PARSE"; - public static final String PERMANENTFLAGS = "PERMANENTFLAGS"; - public static final String PREAUTH = "PREAUTH"; - public static final String READ_ONLY = "READ-ONLY"; - public static final String READ_WRITE = "READ-WRITE"; - public static final String RENAME = "RENAME"; - public static final String RFC822_SIZE = "RFC822.SIZE"; - public static final String SEARCH = "SEARCH"; - public static final String SELECT = "SELECT"; - public static final String STARTTLS = "STARTTLS"; - public static final String STATUS = "STATUS"; - public static final String STORE = "STORE"; - public static final String SUBSCRIBE = "SUBSCRIBE"; - public static final String TEXT = "TEXT"; - public static final String TRYCREATE = "TRYCREATE"; - public static final String UID = "UID"; - public static final String UID_COPY = "UID COPY"; - public static final String UID_FETCH = "UID FETCH"; - public static final String UID_SEARCH = "UID SEARCH"; - public static final String UID_STORE = "UID STORE"; - public static final String UIDNEXT = "UIDNEXT"; - public static final String UIDPLUS = "UIDPLUS"; - public static final String UIDVALIDITY = "UIDVALIDITY"; - public static final String UNSEEN = "UNSEEN"; - public static final String UNSUBSCRIBE = "UNSUBSCRIBE"; - public static final String XOAUTH2 = "XOAUTH2"; - public static final String APPENDUID = "APPENDUID"; - public static final String NIL = "NIL"; - - /** - * NO responses - */ - public static final String NO_COMMAND_NOT_ALLOWED = "command not allowed"; - public static final String NO_RESERVATION_FAILED = "reservation failed"; - public static final String NO_APPLICATION_ERROR = "application error"; - public static final String NO_INVALID_PARAMETER = "invalid parameter"; - public static final String NO_INVALID_COMMAND = "invalid command"; - public static final String NO_UNKNOWN_COMMAND = "unknown command"; - // AUTHENTICATE - // The subscriber can not be located in the system. - public static final String NO_UNKNOWN_USER = "unknown user"; - // The Client Type or Protocol Version is unknown. - public static final String NO_UNKNOWN_CLIENT = "unknown client"; - // The password received from the client does not match the password defined in the subscriber's profile. - public static final String NO_INVALID_PASSWORD = "invalid password"; - // The subscriber's mailbox has not yet been initialised via the TUI - public static final String NO_MAILBOX_NOT_INITIALIZED = "mailbox not initialized"; - // The subscriber has not been provisioned for the VVM service. - public static final String NO_SERVICE_IS_NOT_PROVISIONED = - "service is not provisioned"; - // The subscriber is provisioned for the VVM service but the VVM service is currently not active - public static final String NO_SERVICE_IS_NOT_ACTIVATED = "service is not activated"; - // The Voice Mail Blocked flag in the subscriber's profile is set to YES. - public static final String NO_USER_IS_BLOCKED = "user is blocked"; - - /** - * extensions - */ - public static final String GETQUOTA = "GETQUOTA"; - public static final String GETQUOTAROOT = "GETQUOTAROOT"; - public static final String QUOTAROOT = "QUOTAROOT"; - public static final String QUOTA = "QUOTA"; - - /** - * capabilities - */ - public static final String CAPABILITY_AUTH_DIGEST_MD5 = "AUTH=DIGEST-MD5"; - public static final String CAPABILITY_STARTTLS = "STARTTLS"; - - /** - * authentication - */ - public static final String AUTH_DIGEST_MD5 = "DIGEST-MD5"; -}
\ No newline at end of file diff --git a/java/com/android/voicemailomtp/mail/store/imap/ImapElement.java b/java/com/android/voicemailomtp/mail/store/imap/ImapElement.java deleted file mode 100644 index 9f272e31c..000000000 --- a/java/com/android/voicemailomtp/mail/store/imap/ImapElement.java +++ /dev/null @@ -1,120 +0,0 @@ -/* - * 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.voicemailomtp.mail.store.imap; - -/** - * Class representing "element"s in IMAP responses. - * - * <p>Class hierarchy: - * <pre> - * ImapElement - * | - * |-- ImapElement.NONE (for 'index out of range') - * | - * |-- ImapList (isList() == true) - * | | - * | |-- ImapList.EMPTY - * | | - * | --- ImapResponse - * | - * --- ImapString (isString() == true) - * | - * |-- ImapString.EMPTY - * | - * |-- ImapSimpleString - * | - * |-- ImapMemoryLiteral - * | - * --- ImapTempFileLiteral - * </pre> - */ -public abstract class ImapElement { - /** - * An element that is returned by {@link ImapList#getElementOrNone} to indicate an index - * is out of range. - */ - public static final ImapElement NONE = new ImapElement() { - @Override public void destroy() { - // Don't call super.destroy(). - // It's a shared object. We don't want the mDestroyed to be set on this. - } - - @Override public boolean isList() { - return false; - } - - @Override public boolean isString() { - return false; - } - - @Override public String toString() { - return "[NO ELEMENT]"; - } - - @Override - public boolean equalsForTest(ImapElement that) { - return super.equalsForTest(that); - } - }; - - private boolean mDestroyed = false; - - public abstract boolean isList(); - - public abstract boolean isString(); - - protected boolean isDestroyed() { - return mDestroyed; - } - - /** - * Clean up the resources used by the instance. - * It's for removing a temp file used by {@link ImapTempFileLiteral}. - */ - public void destroy() { - mDestroyed = true; - } - - /** - * Throws {@link RuntimeException} if it's already destroyed. - */ - protected final void checkNotDestroyed() { - if (mDestroyed) { - throw new RuntimeException("Already destroyed"); - } - } - - /** - * Return a string that represents this object; it's purely for the debug purpose. Don't - * mistake it for {@link ImapString#getString}. - * - * Abstract to force subclasses to implement it. - */ - @Override - public abstract String toString(); - - /** - * The equals implementation that is intended to be used only for unit testing. - * (Because it may be heavy and has a special sense of "equal" for testing.) - */ - public boolean equalsForTest(ImapElement that) { - if (that == null) { - return false; - } - return this.getClass() == that.getClass(); // Has to be the same class. - } -}
\ No newline at end of file diff --git a/java/com/android/voicemailomtp/mail/store/imap/ImapList.java b/java/com/android/voicemailomtp/mail/store/imap/ImapList.java deleted file mode 100644 index 970423cbd..000000000 --- a/java/com/android/voicemailomtp/mail/store/imap/ImapList.java +++ /dev/null @@ -1,235 +0,0 @@ -/* - * 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.voicemailomtp.mail.store.imap; - -import java.util.ArrayList; - -/** - * Class represents an IMAP list. - */ -public class ImapList extends ImapElement { - /** - * {@link ImapList} representing an empty list. - */ - public static final ImapList EMPTY = new ImapList() { - @Override public void destroy() { - // Don't call super.destroy(). - // It's a shared object. We don't want the mDestroyed to be set on this. - } - - @Override void add(ImapElement e) { - throw new RuntimeException(); - } - }; - - private ArrayList<ImapElement> mList = new ArrayList<ImapElement>(); - - /* package */ void add(ImapElement e) { - if (e == null) { - throw new RuntimeException("Can't add null"); - } - mList.add(e); - } - - @Override - public final boolean isString() { - return false; - } - - @Override - public final boolean isList() { - return true; - } - - public final int size() { - return mList.size(); - } - - public final boolean isEmpty() { - return size() == 0; - } - - /** - * Return true if the element at {@code index} exists, is string, and equals to {@code s}. - * (case insensitive) - */ - public final boolean is(int index, String s) { - return is(index, s, false); - } - - /** - * Same as {@link #is(int, String)}, but does the prefix match if {@code prefixMatch}. - */ - public final boolean is(int index, String s, boolean prefixMatch) { - if (!prefixMatch) { - return getStringOrEmpty(index).is(s); - } else { - return getStringOrEmpty(index).startsWith(s); - } - } - - /** - * Return the element at {@code index}. - * If {@code index} is out of range, returns {@link ImapElement#NONE}. - */ - public final ImapElement getElementOrNone(int index) { - return (index >= mList.size()) ? ImapElement.NONE : mList.get(index); - } - - /** - * Return the element at {@code index} if it's a list. - * If {@code index} is out of range or not a list, returns {@link ImapList#EMPTY}. - */ - public final ImapList getListOrEmpty(int index) { - ImapElement el = getElementOrNone(index); - return el.isList() ? (ImapList) el : EMPTY; - } - - /** - * Return the element at {@code index} if it's a string. - * If {@code index} is out of range or not a string, returns {@link ImapString#EMPTY}. - */ - public final ImapString getStringOrEmpty(int index) { - ImapElement el = getElementOrNone(index); - return el.isString() ? (ImapString) el : ImapString.EMPTY; - } - - /** - * Return an element keyed by {@code key}. Return null if not found. {@code key} has to be - * at an even index. - */ - /* package */ final ImapElement getKeyedElementOrNull(String key, boolean prefixMatch) { - for (int i = 1; i < size(); i += 2) { - if (is(i-1, key, prefixMatch)) { - return mList.get(i); - } - } - return null; - } - - /** - * Return an {@link ImapList} keyed by {@code key}. - * Return {@link ImapList#EMPTY} if not found. - */ - public final ImapList getKeyedListOrEmpty(String key) { - return getKeyedListOrEmpty(key, false); - } - - /** - * Return an {@link ImapList} keyed by {@code key}. - * Return {@link ImapList#EMPTY} if not found. - */ - public final ImapList getKeyedListOrEmpty(String key, boolean prefixMatch) { - ImapElement e = getKeyedElementOrNull(key, prefixMatch); - return (e != null) ? ((ImapList) e) : ImapList.EMPTY; - } - - /** - * Return an {@link ImapString} keyed by {@code key}. - * Return {@link ImapString#EMPTY} if not found. - */ - public final ImapString getKeyedStringOrEmpty(String key) { - return getKeyedStringOrEmpty(key, false); - } - - /** - * Return an {@link ImapString} keyed by {@code key}. - * Return {@link ImapString#EMPTY} if not found. - */ - public final ImapString getKeyedStringOrEmpty(String key, boolean prefixMatch) { - ImapElement e = getKeyedElementOrNull(key, prefixMatch); - return (e != null) ? ((ImapString) e) : ImapString.EMPTY; - } - - /** - * Return true if it contains {@code s}. - */ - public final boolean contains(String s) { - for (int i = 0; i < size(); i++) { - if (getStringOrEmpty(i).is(s)) { - return true; - } - } - return false; - } - - @Override - public void destroy() { - if (mList != null) { - for (ImapElement e : mList) { - e.destroy(); - } - mList = null; - } - super.destroy(); - } - - @Override - public String toString() { - return mList.toString(); - } - - /** - * Return the text representations of the contents concatenated with ",". - */ - public final String flatten() { - return flatten(new StringBuilder()).toString(); - } - - /** - * Returns text representations (i.e. getString()) of contents joined together with - * "," as the separator. - * - * Only used for building the capability string passed to vendor policies. - * - * We can't use toString(), because it's for debugging (meaning the format may change any time), - * and it won't expand literals. - */ - private final StringBuilder flatten(StringBuilder sb) { - sb.append('['); - for (int i = 0; i < mList.size(); i++) { - if (i > 0) { - sb.append(','); - } - final ImapElement e = getElementOrNone(i); - if (e.isList()) { - getListOrEmpty(i).flatten(sb); - } else if (e.isString()) { - sb.append(getStringOrEmpty(i).getString()); - } - } - sb.append(']'); - return sb; - } - - @Override - public boolean equalsForTest(ImapElement that) { - if (!super.equalsForTest(that)) { - return false; - } - ImapList thatList = (ImapList) that; - if (size() != thatList.size()) { - return false; - } - for (int i = 0; i < size(); i++) { - if (!mList.get(i).equalsForTest(thatList.getElementOrNone(i))) { - return false; - } - } - return true; - } -}
\ No newline at end of file diff --git a/java/com/android/voicemailomtp/mail/store/imap/ImapMemoryLiteral.java b/java/com/android/voicemailomtp/mail/store/imap/ImapMemoryLiteral.java deleted file mode 100644 index ad60ca7a4..000000000 --- a/java/com/android/voicemailomtp/mail/store/imap/ImapMemoryLiteral.java +++ /dev/null @@ -1,76 +0,0 @@ -/* - * Copyright (C) 2010 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.voicemailomtp.mail.store.imap; - -import com.android.voicemailomtp.mail.FixedLengthInputStream; -import com.android.voicemailomtp.VvmLog; - -import java.io.ByteArrayInputStream; -import java.io.IOException; -import java.io.InputStream; -import java.io.UnsupportedEncodingException; - -/** - * Subclass of {@link ImapString} used for literals backed by an in-memory byte array. - */ -public class ImapMemoryLiteral extends ImapString { - private final String TAG = "ImapMemoryLiteral"; - private byte[] mData; - - /* package */ ImapMemoryLiteral(FixedLengthInputStream in) throws IOException { - // We could use ByteArrayOutputStream and IOUtils.copy, but it'd perform an unnecessary - // copy.... - mData = new byte[in.getLength()]; - int pos = 0; - while (pos < mData.length) { - int read = in.read(mData, pos, mData.length - pos); - if (read < 0) { - break; - } - pos += read; - } - if (pos != mData.length) { - VvmLog.w(TAG, "length mismatch"); - } - } - - @Override - public void destroy() { - mData = null; - super.destroy(); - } - - @Override - public String getString() { - try { - return new String(mData, "US-ASCII"); - } catch (UnsupportedEncodingException e) { - VvmLog.e(TAG, "Unsupported encoding: ", e); - } - return null; - } - - @Override - public InputStream getAsStream() { - return new ByteArrayInputStream(mData); - } - - @Override - public String toString() { - return String.format("{%d byte literal(memory)}", mData.length); - } -}
\ No newline at end of file diff --git a/java/com/android/voicemailomtp/mail/store/imap/ImapResponse.java b/java/com/android/voicemailomtp/mail/store/imap/ImapResponse.java deleted file mode 100644 index 412f16d8a..000000000 --- a/java/com/android/voicemailomtp/mail/store/imap/ImapResponse.java +++ /dev/null @@ -1,158 +0,0 @@ -/* - * 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.voicemailomtp.mail.store.imap; - -/** - * Class represents an IMAP response. - */ -public class ImapResponse extends ImapList { - private final String mTag; - private final boolean mIsContinuationRequest; - - /* package */ ImapResponse(String tag, boolean isContinuationRequest) { - mTag = tag; - mIsContinuationRequest = isContinuationRequest; - } - - /* package */ static boolean isStatusResponse(String symbol) { - return ImapConstants.OK.equalsIgnoreCase(symbol) - || ImapConstants.NO.equalsIgnoreCase(symbol) - || ImapConstants.BAD.equalsIgnoreCase(symbol) - || ImapConstants.PREAUTH.equalsIgnoreCase(symbol) - || ImapConstants.BYE.equalsIgnoreCase(symbol); - } - - /** - * @return whether it's a tagged response. - */ - public boolean isTagged() { - return mTag != null; - } - - /** - * @return whether it's a continuation request. - */ - public boolean isContinuationRequest() { - return mIsContinuationRequest; - } - - public boolean isStatusResponse() { - return isStatusResponse(getStringOrEmpty(0).getString()); - } - - /** - * @return whether it's an OK response. - */ - public boolean isOk() { - return is(0, ImapConstants.OK); - } - - /** - * @return whether it's an BAD response. - */ - public boolean isBad() { - return is(0, ImapConstants.BAD); - } - - /** - * @return whether it's an NO response. - */ - public boolean isNo() { - return is(0, ImapConstants.NO); - } - - /** - * @return whether it's an {@code responseType} data response. (i.e. not tagged). - * @param index where {@code responseType} should appear. e.g. 1 for "FETCH" - * @param responseType e.g. "FETCH" - */ - public final boolean isDataResponse(int index, String responseType) { - return !isTagged() && getStringOrEmpty(index).is(responseType); - } - - /** - * @return Response code (RFC 3501 7.1) if it's a status response. - * - * e.g. "ALERT" for "* OK [ALERT] System shutdown in 10 minutes" - */ - public ImapString getResponseCodeOrEmpty() { - if (!isStatusResponse()) { - return ImapString.EMPTY; // Not a status response. - } - return getListOrEmpty(1).getStringOrEmpty(0); - } - - /** - * @return Alert message it it has ALERT response code. - * - * e.g. "System shutdown in 10 minutes" for "* OK [ALERT] System shutdown in 10 minutes" - */ - public ImapString getAlertTextOrEmpty() { - if (!getResponseCodeOrEmpty().is(ImapConstants.ALERT)) { - return ImapString.EMPTY; // Not an ALERT - } - // The 3rd element contains all the rest of line. - return getStringOrEmpty(2); - } - - /** - * @return Response text in a status response. - */ - public ImapString getStatusResponseTextOrEmpty() { - if (!isStatusResponse()) { - return ImapString.EMPTY; - } - return getStringOrEmpty(getElementOrNone(1).isList() ? 2 : 1); - } - - public ImapString getStatusOrEmpty() { - if (!isStatusResponse()) { - return ImapString.EMPTY; - } - return getStringOrEmpty(0); - } - - @Override - public String toString() { - String tag = mTag; - if (isContinuationRequest()) { - tag = "+"; - } - return "#" + tag + "# " + super.toString(); - } - - @Override - public boolean equalsForTest(ImapElement that) { - if (!super.equalsForTest(that)) { - return false; - } - final ImapResponse thatResponse = (ImapResponse) that; - if (mTag == null) { - if (thatResponse.mTag != null) { - return false; - } - } else { - if (!mTag.equals(thatResponse.mTag)) { - return false; - } - } - if (mIsContinuationRequest != thatResponse.mIsContinuationRequest) { - return false; - } - return true; - } -}
\ No newline at end of file diff --git a/java/com/android/voicemailomtp/mail/store/imap/ImapResponseParser.java b/java/com/android/voicemailomtp/mail/store/imap/ImapResponseParser.java deleted file mode 100644 index 692596f14..000000000 --- a/java/com/android/voicemailomtp/mail/store/imap/ImapResponseParser.java +++ /dev/null @@ -1,432 +0,0 @@ -/* - * Copyright (C) 2010 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.voicemailomtp.mail.store.imap; - -import android.text.TextUtils; -import android.util.Log; - -import com.android.voicemailomtp.mail.FixedLengthInputStream; -import com.android.voicemailomtp.mail.MessagingException; -import com.android.voicemailomtp.mail.PeekableInputStream; -import com.android.voicemailomtp.VvmLog; - -import java.io.IOException; -import java.io.InputStream; -import java.util.ArrayList; - -/** - * IMAP response parser. - */ -public class ImapResponseParser { - private static final String TAG = "ImapResponseParser"; - - /** - * Literal larger than this will be stored in temp file. - */ - public static final int LITERAL_KEEP_IN_MEMORY_THRESHOLD = 2 * 1024 * 1024; - - /** Input stream */ - private final PeekableInputStream mIn; - - private final int mLiteralKeepInMemoryThreshold; - - /** StringBuilder used by readUntil() */ - private final StringBuilder mBufferReadUntil = new StringBuilder(); - - /** StringBuilder used by parseBareString() */ - private final StringBuilder mParseBareString = new StringBuilder(); - - /** - * We store all {@link ImapResponse} in it. {@link #destroyResponses()} must be called from - * time to time to destroy them and clear it. - */ - private final ArrayList<ImapResponse> mResponsesToDestroy = new ArrayList<ImapResponse>(); - - /** - * Exception thrown when we receive BYE. It derives from IOException, so it'll be treated - * in the same way EOF does. - */ - public static class ByeException extends IOException { - public static final String MESSAGE = "Received BYE"; - public ByeException() { - super(MESSAGE); - } - } - - /** - * Public constructor for normal use. - */ - public ImapResponseParser(InputStream in) { - this(in, LITERAL_KEEP_IN_MEMORY_THRESHOLD); - } - - /** - * Constructor for testing to override the literal size threshold. - */ - /* package for test */ ImapResponseParser(InputStream in, int literalKeepInMemoryThreshold) { - mIn = new PeekableInputStream(in); - mLiteralKeepInMemoryThreshold = literalKeepInMemoryThreshold; - } - - private static IOException newEOSException() { - final String message = "End of stream reached"; - VvmLog.d(TAG, message); - return new IOException(message); - } - - /** - * Peek next one byte. - * - * Throws IOException() if reaches EOF. As long as logical response lines end with \r\n, - * we shouldn't see EOF during parsing. - */ - private int peek() throws IOException { - final int next = mIn.peek(); - if (next == -1) { - throw newEOSException(); - } - return next; - } - - /** - * Read and return one byte from {@link #mIn}, and put it in {@link #mDiscourseLogger}. - * - * Throws IOException() if reaches EOF. As long as logical response lines end with \r\n, - * we shouldn't see EOF during parsing. - */ - private int readByte() throws IOException { - int next = mIn.read(); - if (next == -1) { - throw newEOSException(); - } - return next; - } - - /** - * Destroy all the {@link ImapResponse}s stored in the internal storage and clear it. - * - * @see #readResponse() - */ - public void destroyResponses() { - for (ImapResponse r : mResponsesToDestroy) { - r.destroy(); - } - mResponsesToDestroy.clear(); - } - - /** - * Reads the next response available on the stream and returns an - * {@link ImapResponse} object that represents it. - * - * <p>When this method successfully returns an {@link ImapResponse}, the {@link ImapResponse} - * is stored in the internal storage. When the {@link ImapResponse} is no longer used - * {@link #destroyResponses} should be called to destroy all the responses in the array. - * - * @param byeExpected is a untagged BYE response expected? If not proper cleanup will be done - * and {@link ByeException} will be thrown. - * @return the parsed {@link ImapResponse} object. - * @exception ByeException when detects BYE and <code>byeExpected</code> is false. - */ - public ImapResponse readResponse(boolean byeExpected) throws IOException, MessagingException { - ImapResponse response = null; - try { - response = parseResponse(); - } catch (RuntimeException e) { - // Parser crash -- log network activities. - onParseError(e); - throw e; - } catch (IOException e) { - // Network error, or received an unexpected char. - onParseError(e); - throw e; - } - - // Handle this outside of try-catch. We don't have to dump protocol log when getting BYE. - if (!byeExpected && response.is(0, ImapConstants.BYE)) { - Log.w(TAG, ByeException.MESSAGE); - response.destroy(); - throw new ByeException(); - } - mResponsesToDestroy.add(response); - return response; - } - - private void onParseError(Exception e) { - // Read a few more bytes, so that the log will contain some more context, even if the parser - // crashes in the middle of a response. - // This also makes sure the byte in question will be logged, no matter where it crashes. - // e.g. when parseAtom() peeks and finds at an unexpected char, it throws an exception - // before actually reading it. - // However, we don't want to read too much, because then it may get into an email message. - try { - for (int i = 0; i < 4; i++) { - int b = readByte(); - if (b == -1 || b == '\n') { - break; - } - } - } catch (IOException ignore) { - } - VvmLog.w(TAG, "Exception detected: " + e.getMessage()); - } - - /** - * Read next byte from stream and throw it away. If the byte is different from {@code expected} - * throw {@link MessagingException}. - */ - /* package for test */ void expect(char expected) throws IOException { - final int next = readByte(); - if (expected != next) { - throw new IOException(String.format("Expected %04x (%c) but got %04x (%c)", - (int) expected, expected, next, (char) next)); - } - } - - /** - * Read bytes until we find {@code end}, and return all as string. - * The {@code end} will be read (rather than peeked) and won't be included in the result. - */ - /* package for test */ String readUntil(char end) throws IOException { - mBufferReadUntil.setLength(0); - for (;;) { - final int ch = readByte(); - if (ch != end) { - mBufferReadUntil.append((char) ch); - } else { - return mBufferReadUntil.toString(); - } - } - } - - /** - * Read all bytes until \r\n. - */ - /* package */ String readUntilEol() throws IOException { - String ret = readUntil('\r'); - expect('\n'); // TODO Should this really be error? - return ret; - } - - /** - * Parse and return the response line. - */ - private ImapResponse parseResponse() throws IOException, MessagingException { - // We need to destroy the response if we get an exception. - // So, we first store the response that's being built in responseToDestroy, until it's - // completely built, at which point we copy it into responseToReturn and null out - // responseToDestroyt. - // If responseToDestroy is not null in finally, we destroy it because that means - // we got an exception somewhere. - ImapResponse responseToDestroy = null; - final ImapResponse responseToReturn; - - try { - final int ch = peek(); - if (ch == '+') { // Continuation request - readByte(); // skip + - expect(' '); - responseToDestroy = new ImapResponse(null, true); - - // If it's continuation request, we don't really care what's in it. - responseToDestroy.add(new ImapSimpleString(readUntilEol())); - - // Response has successfully been built. Let's return it. - responseToReturn = responseToDestroy; - responseToDestroy = null; - } else { - // Status response or response data - final String tag; - if (ch == '*') { - tag = null; - readByte(); // skip * - expect(' '); - } else { - tag = readUntil(' '); - } - responseToDestroy = new ImapResponse(tag, false); - - final ImapString firstString = parseBareString(); - responseToDestroy.add(firstString); - - // parseBareString won't eat a space after the string, so we need to skip it, - // if exists. - // If the next char is not ' ', it should be EOL. - if (peek() == ' ') { - readByte(); // skip ' ' - - if (responseToDestroy.isStatusResponse()) { // It's a status response - - // Is there a response code? - final int next = peek(); - if (next == '[') { - responseToDestroy.add(parseList('[', ']')); - if (peek() == ' ') { // Skip following space - readByte(); - } - } - - String rest = readUntilEol(); - if (!TextUtils.isEmpty(rest)) { - // The rest is free-form text. - responseToDestroy.add(new ImapSimpleString(rest)); - } - } else { // It's a response data. - parseElements(responseToDestroy, '\0'); - } - } else { - expect('\r'); - expect('\n'); - } - - // Response has successfully been built. Let's return it. - responseToReturn = responseToDestroy; - responseToDestroy = null; - } - } finally { - if (responseToDestroy != null) { - // We get an exception. - responseToDestroy.destroy(); - } - } - - return responseToReturn; - } - - private ImapElement parseElement() throws IOException, MessagingException { - final int next = peek(); - switch (next) { - case '(': - return parseList('(', ')'); - case '[': - return parseList('[', ']'); - case '"': - readByte(); // Skip " - return new ImapSimpleString(readUntil('"')); - case '{': - return parseLiteral(); - case '\r': // CR - readByte(); // Consume \r - expect('\n'); // Should be followed by LF. - return null; - case '\n': // LF // There shouldn't be a bare LF, but just in case. - readByte(); // Consume \n - return null; - default: - return parseBareString(); - } - } - - /** - * Parses an atom. - * - * Special case: If an atom contains '[', everything until the next ']' will be considered - * a part of the atom. - * (e.g. "BODY[HEADER.FIELDS ("DATE" ...)]" will become a single ImapString) - * - * If the value is "NIL", returns an empty string. - */ - private ImapString parseBareString() throws IOException, MessagingException { - mParseBareString.setLength(0); - for (;;) { - final int ch = peek(); - - // TODO Can we clean this up? (This condition is from the old parser.) - if (ch == '(' || ch == ')' || ch == '{' || ch == ' ' || - // ']' is not part of atom (it's in resp-specials) - ch == ']' || - // docs claim that flags are \ atom but atom isn't supposed to - // contain - // * and some flags contain * - // ch == '%' || ch == '*' || - ch == '%' || - // TODO probably should not allow \ and should recognize - // it as a flag instead - // ch == '"' || ch == '\' || - ch == '"' || (0x00 <= ch && ch <= 0x1f) || ch == 0x7f) { - if (mParseBareString.length() == 0) { - throw new MessagingException("Expected string, none found."); - } - String s = mParseBareString.toString(); - - // NIL will be always converted into the empty string. - if (ImapConstants.NIL.equalsIgnoreCase(s)) { - return ImapString.EMPTY; - } - return new ImapSimpleString(s); - } else if (ch == '[') { - // Eat all until next ']' - mParseBareString.append((char) readByte()); - mParseBareString.append(readUntil(']')); - mParseBareString.append(']'); // readUntil won't include the end char. - } else { - mParseBareString.append((char) readByte()); - } - } - } - - private void parseElements(ImapList list, char end) - throws IOException, MessagingException { - for (;;) { - for (;;) { - final int next = peek(); - if (next == end) { - return; - } - if (next != ' ') { - break; - } - // Skip space - readByte(); - } - final ImapElement el = parseElement(); - if (el == null) { // EOL - return; - } - list.add(el); - } - } - - private ImapList parseList(char opening, char closing) - throws IOException, MessagingException { - expect(opening); - final ImapList list = new ImapList(); - parseElements(list, closing); - expect(closing); - return list; - } - - private ImapString parseLiteral() throws IOException, MessagingException { - expect('{'); - final int size; - try { - size = Integer.parseInt(readUntil('}')); - } catch (NumberFormatException nfe) { - throw new MessagingException("Invalid length in literal"); - } - if (size < 0) { - throw new MessagingException("Invalid negative length in literal"); - } - expect('\r'); - expect('\n'); - FixedLengthInputStream in = new FixedLengthInputStream(mIn, size); - if (size > mLiteralKeepInMemoryThreshold) { - return new ImapTempFileLiteral(in); - } else { - return new ImapMemoryLiteral(in); - } - } -}
\ No newline at end of file diff --git a/java/com/android/voicemailomtp/mail/store/imap/ImapSimpleString.java b/java/com/android/voicemailomtp/mail/store/imap/ImapSimpleString.java deleted file mode 100644 index 22d8141a0..000000000 --- a/java/com/android/voicemailomtp/mail/store/imap/ImapSimpleString.java +++ /dev/null @@ -1,62 +0,0 @@ -/* - * 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.voicemailomtp.mail.store.imap; - -import com.android.voicemailomtp.VvmLog; - -import java.io.ByteArrayInputStream; -import java.io.InputStream; -import java.io.UnsupportedEncodingException; - -/** - * Subclass of {@link ImapString} used for non literals. - */ -public class ImapSimpleString extends ImapString { - private final String TAG = "ImapSimpleString"; - private String mString; - - /* package */ ImapSimpleString(String string) { - mString = (string != null) ? string : ""; - } - - @Override - public void destroy() { - mString = null; - super.destroy(); - } - - @Override - public String getString() { - return mString; - } - - @Override - public InputStream getAsStream() { - try { - return new ByteArrayInputStream(mString.getBytes("US-ASCII")); - } catch (UnsupportedEncodingException e) { - VvmLog.e(TAG, "Unsupported encoding: ", e); - } - return null; - } - - @Override - public String toString() { - // Purposefully not return just mString, in order to prevent using it instead of getString. - return "\"" + mString + "\""; - } -}
\ No newline at end of file diff --git a/java/com/android/voicemailomtp/mail/store/imap/ImapString.java b/java/com/android/voicemailomtp/mail/store/imap/ImapString.java deleted file mode 100644 index 83efb6479..000000000 --- a/java/com/android/voicemailomtp/mail/store/imap/ImapString.java +++ /dev/null @@ -1,192 +0,0 @@ -/* - * 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.voicemailomtp.mail.store.imap; - -import com.android.voicemailomtp.VvmLog; - -import java.io.ByteArrayInputStream; -import java.io.InputStream; -import java.text.ParseException; -import java.text.SimpleDateFormat; -import java.util.Date; -import java.util.Locale; - -/** - * Class represents an IMAP "element" that is not a list. - * - * An atom, quoted string, literal, are all represented by this. Values like OK, STATUS are too. - * Also, this class class may contain more arbitrary value like "BODY[HEADER.FIELDS ("DATE")]". - * See {@link ImapResponseParser}. - */ -public abstract class ImapString extends ImapElement { - private static final byte[] EMPTY_BYTES = new byte[0]; - - public static final ImapString EMPTY = new ImapString() { - @Override public void destroy() { - // Don't call super.destroy(). - // It's a shared object. We don't want the mDestroyed to be set on this. - } - - @Override public String getString() { - return ""; - } - - @Override public InputStream getAsStream() { - return new ByteArrayInputStream(EMPTY_BYTES); - } - - @Override public String toString() { - return ""; - } - }; - - // This is used only for parsing IMAP's FETCH ENVELOPE command, in which - // en_US-like date format is used like "01-Jan-2009 11:20:39 -0800", so this should be - // handled by Locale.US - private final static SimpleDateFormat DATE_TIME_FORMAT = - new SimpleDateFormat("dd-MMM-yyyy HH:mm:ss Z", Locale.US); - - private boolean mIsInteger; - private int mParsedInteger; - private Date mParsedDate; - - @Override - public final boolean isList() { - return false; - } - - @Override - public final boolean isString() { - return true; - } - - /** - * @return true if and only if the length of the string is larger than 0. - * - * Note: IMAP NIL is considered an empty string. See {@link ImapResponseParser - * #parseBareString}. - * On the other hand, a quoted/literal string with value NIL (i.e. "NIL" and {3}\r\nNIL) is - * treated literally. - */ - public final boolean isEmpty() { - return getString().length() == 0; - } - - public abstract String getString(); - - public abstract InputStream getAsStream(); - - /** - * @return whether it can be parsed as a number. - */ - public final boolean isNumber() { - if (mIsInteger) { - return true; - } - try { - mParsedInteger = Integer.parseInt(getString()); - mIsInteger = true; - return true; - } catch (NumberFormatException e) { - return false; - } - } - - /** - * @return value parsed as a number, or 0 if the string is not a number. - */ - public final int getNumberOrZero() { - return getNumber(0); - } - - /** - * @return value parsed as a number, or {@code defaultValue} if the string is not a number. - */ - public final int getNumber(int defaultValue) { - if (!isNumber()) { - return defaultValue; - } - return mParsedInteger; - } - - /** - * @return whether it can be parsed as a date using {@link #DATE_TIME_FORMAT}. - */ - public final boolean isDate() { - if (mParsedDate != null) { - return true; - } - if (isEmpty()) { - return false; - } - try { - mParsedDate = DATE_TIME_FORMAT.parse(getString()); - return true; - } catch (ParseException e) { - VvmLog.w("ImapString", getString() + " can't be parsed as a date."); - return false; - } - } - - /** - * @return value it can be parsed as a {@link Date}, or null otherwise. - */ - public final Date getDateOrNull() { - if (!isDate()) { - return null; - } - return mParsedDate; - } - - /** - * @return whether the value case-insensitively equals to {@code s}. - */ - public final boolean is(String s) { - if (s == null) { - return false; - } - return getString().equalsIgnoreCase(s); - } - - - /** - * @return whether the value case-insensitively starts with {@code s}. - */ - public final boolean startsWith(String prefix) { - if (prefix == null) { - return false; - } - final String me = this.getString(); - if (me.length() < prefix.length()) { - return false; - } - return me.substring(0, prefix.length()).equalsIgnoreCase(prefix); - } - - // To force subclasses to implement it. - @Override - public abstract String toString(); - - @Override - public final boolean equalsForTest(ImapElement that) { - if (!super.equalsForTest(that)) { - return false; - } - ImapString thatString = (ImapString) that; - return getString().equals(thatString.getString()); - } -}
\ No newline at end of file diff --git a/java/com/android/voicemailomtp/mail/store/imap/ImapTempFileLiteral.java b/java/com/android/voicemailomtp/mail/store/imap/ImapTempFileLiteral.java deleted file mode 100644 index efe5c3848..000000000 --- a/java/com/android/voicemailomtp/mail/store/imap/ImapTempFileLiteral.java +++ /dev/null @@ -1,123 +0,0 @@ -/* - * 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.voicemailomtp.mail.store.imap; - -import com.android.voicemailomtp.mail.FixedLengthInputStream; -import com.android.voicemailomtp.mail.TempDirectory; -import com.android.voicemailomtp.mail.utils.Utility; -import com.android.voicemailomtp.mail.utils.LogUtils; - -import org.apache.commons.io.IOUtils; - -import java.io.ByteArrayInputStream; -import java.io.File; -import java.io.FileInputStream; -import java.io.FileNotFoundException; -import java.io.FileOutputStream; -import java.io.IOException; -import java.io.InputStream; -import java.io.OutputStream; - -/** - * Subclass of {@link ImapString} used for literals backed by a temp file. - */ -public class ImapTempFileLiteral extends ImapString { - private final String TAG = "ImapTempFileLiteral"; - - /* package for test */ final File mFile; - - /** Size is purely for toString() */ - private final int mSize; - - /* package */ ImapTempFileLiteral(FixedLengthInputStream stream) throws IOException { - mSize = stream.getLength(); - mFile = File.createTempFile("imap", ".tmp", TempDirectory.getTempDirectory()); - - // Unfortunately, we can't really use deleteOnExit(), because temp filenames are random - // so it'd simply cause a memory leak. - // deleteOnExit() simply adds filenames to a static list and the list will never shrink. - // mFile.deleteOnExit(); - OutputStream out = new FileOutputStream(mFile); - IOUtils.copy(stream, out); - out.close(); - } - - /** - * Make sure we delete the temp file. - * - * We should always be calling {@link ImapResponse#destroy()}, but it's here as a last resort. - */ - @Override - protected void finalize() throws Throwable { - try { - destroy(); - } finally { - super.finalize(); - } - } - - @Override - public InputStream getAsStream() { - checkNotDestroyed(); - try { - return new FileInputStream(mFile); - } catch (FileNotFoundException e) { - // It's probably possible if we're low on storage and the system clears the cache dir. - LogUtils.w(TAG, "ImapTempFileLiteral: Temp file not found"); - - // Return 0 byte stream as a dummy... - return new ByteArrayInputStream(new byte[0]); - } - } - - @Override - public String getString() { - checkNotDestroyed(); - try { - byte[] bytes = IOUtils.toByteArray(getAsStream()); - // Prevent crash from OOM; we've seen this, but only rarely and not reproducibly - if (bytes.length > ImapResponseParser.LITERAL_KEEP_IN_MEMORY_THRESHOLD) { - throw new IOException(); - } - return Utility.fromAscii(bytes); - } catch (IOException e) { - LogUtils.w(TAG, "ImapTempFileLiteral: Error while reading temp file", e); - return ""; - } - } - - @Override - public void destroy() { - try { - if (!isDestroyed() && mFile.exists()) { - mFile.delete(); - } - } catch (RuntimeException re) { - // Just log and ignore. - LogUtils.w(TAG, "Failed to remove temp file: " + re.getMessage()); - } - super.destroy(); - } - - @Override - public String toString() { - return String.format("{%d byte literal(file)}", mSize); - } - - public boolean tempFileExistsForTest() { - return mFile.exists(); - } -}
\ No newline at end of file diff --git a/java/com/android/voicemailomtp/mail/store/imap/ImapUtility.java b/java/com/android/voicemailomtp/mail/store/imap/ImapUtility.java deleted file mode 100644 index b045eb32f..000000000 --- a/java/com/android/voicemailomtp/mail/store/imap/ImapUtility.java +++ /dev/null @@ -1,125 +0,0 @@ -/* - * 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.voicemailomtp.mail.store.imap; - -import com.android.voicemailomtp.mail.utils.LogUtils; - -import java.util.ArrayList; - -/** - * Utility methods for use with IMAP. - */ -public class ImapUtility { - public static final String TAG = "ImapUtility"; - /** - * Apply quoting rules per IMAP RFC, - * quoted = DQUOTE *QUOTED-CHAR DQUOTE - * QUOTED-CHAR = <any TEXT-CHAR except quoted-specials> / "\" quoted-specials - * quoted-specials = DQUOTE / "\" - * - * This is used primarily for IMAP login, but might be useful elsewhere. - * - * NOTE: Not very efficient - you may wish to preflight this, or perhaps it should check - * for trouble chars before calling the replace functions. - * - * @param s The string to be quoted. - * @return A copy of the string, having undergone quoting as described above - */ - public static String imapQuoted(String s) { - - // First, quote any backslashes by replacing \ with \\ - // regex Pattern: \\ (Java string const = \\\\) - // Substitute: \\\\ (Java string const = \\\\\\\\) - String result = s.replaceAll("\\\\", "\\\\\\\\"); - - // Then, quote any double-quotes by replacing " with \" - // regex Pattern: " (Java string const = \") - // Substitute: \\" (Java string const = \\\\\") - result = result.replaceAll("\"", "\\\\\""); - - // return string with quotes around it - return "\"" + result + "\""; - } - - /** - * Gets all of the values in a sequence set per RFC 3501. Any ranges are expanded into a - * list of individual numbers. If the set is invalid, an empty array is returned. - * <pre> - * sequence-number = nz-number / "*" - * sequence-range = sequence-number ":" sequence-number - * sequence-set = (sequence-number / sequence-range) *("," sequence-set) - * </pre> - */ - public static String[] getImapSequenceValues(String set) { - ArrayList<String> list = new ArrayList<String>(); - if (set != null) { - String[] setItems = set.split(","); - for (String item : setItems) { - if (item.indexOf(':') == -1) { - // simple item - try { - Integer.parseInt(item); // Don't need the value; just ensure it's valid - list.add(item); - } catch (NumberFormatException e) { - LogUtils.d(TAG, "Invalid UID value", e); - } - } else { - // range - for (String rangeItem : getImapRangeValues(item)) { - list.add(rangeItem); - } - } - } - } - String[] stringList = new String[list.size()]; - return list.toArray(stringList); - } - - /** - * Expand the given number range into a list of individual numbers. If the range is not valid, - * an empty array is returned. - * <pre> - * sequence-number = nz-number / "*" - * sequence-range = sequence-number ":" sequence-number - * sequence-set = (sequence-number / sequence-range) *("," sequence-set) - * </pre> - */ - public static String[] getImapRangeValues(String range) { - ArrayList<String> list = new ArrayList<String>(); - try { - if (range != null) { - int colonPos = range.indexOf(':'); - if (colonPos > 0) { - int first = Integer.parseInt(range.substring(0, colonPos)); - int second = Integer.parseInt(range.substring(colonPos + 1)); - if (first < second) { - for (int i = first; i <= second; i++) { - list.add(Integer.toString(i)); - } - } else { - for (int i = first; i >= second; i--) { - list.add(Integer.toString(i)); - } - } - } - } - } catch (NumberFormatException e) { - LogUtils.d(TAG, "Invalid range value", e); - } - String[] stringList = new String[list.size()]; - return list.toArray(stringList); - } -}
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