| /* |
| * 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.dialer.backup; |
| |
| import android.annotation.TargetApi; |
| import android.content.ContentResolver; |
| import android.content.ContentValues; |
| import android.content.Context; |
| import android.database.Cursor; |
| import android.net.Uri; |
| import android.os.Build.VERSION_CODES; |
| import android.provider.VoicemailContract; |
| import android.provider.VoicemailContract.Voicemails; |
| import android.support.annotation.NonNull; |
| import android.support.annotation.Nullable; |
| import android.telecom.PhoneAccountHandle; |
| import android.telecom.TelecomManager; |
| import android.util.Pair; |
| import com.android.dialer.common.Assert; |
| import com.android.dialer.common.LogUtil; |
| import com.android.dialer.configprovider.ConfigProviderBindings; |
| import com.android.voicemail.VoicemailComponent; |
| import com.google.common.io.ByteStreams; |
| import com.google.common.io.Files; |
| import com.google.protobuf.ByteString; |
| import java.io.ByteArrayInputStream; |
| import java.io.File; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** Helper functions for DialerBackupAgent */ |
| public class DialerBackupUtils { |
| // Backup voicemails up to 20MB |
| static long maxVoicemailSizeToBackup = 20000000L; |
| static final String RESTORED_COLUMN = "restored"; |
| |
| private DialerBackupUtils() {} |
| |
| public static void copyAudioBytesToContentUri( |
| @NonNull byte[] audioBytesArray, @NonNull OutputStream restoreStream) throws IOException { |
| LogUtil.i("DialerBackupUtils.copyStream", "audioByteArray length: " + audioBytesArray.length); |
| |
| ByteArrayInputStream decodedStream = new ByteArrayInputStream(audioBytesArray); |
| LogUtil.i( |
| "DialerBackupUtils.copyStream", "decodedStream.available: " + decodedStream.available()); |
| |
| ByteStreams.copy(decodedStream, restoreStream); |
| } |
| |
| public static @Nullable ByteString audioStreamToByteString(@NonNull InputStream stream) |
| throws IOException { |
| if (stream.available() > 0) { |
| return ByteString.readFrom(stream); |
| } else { |
| LogUtil.i("DialerBackupUtils.audioStreamToByteArray", "no audio stream to backup"); |
| } |
| return ByteString.EMPTY; |
| } |
| |
| public static void writeProtoToFile(@NonNull File file, @NonNull VoicemailInfo voicemailInfo) |
| throws IOException { |
| LogUtil.i( |
| "DialerBackupUtils.writeProtoToFile", |
| "backup " + voicemailInfo + " to " + file.getAbsolutePath()); |
| |
| byte[] bytes = voicemailInfo.toByteArray(); |
| Files.write(bytes, file); |
| } |
| |
| /** Only restore voicemails that have the restored column in calllog (NMR2+ builds) */ |
| @TargetApi(VERSION_CODES.M) |
| public static boolean canRestoreVoicemails(ContentResolver contentResolver, Context context) { |
| try (Cursor cursor = contentResolver.query(Voicemails.CONTENT_URI, null, null, null, null)) { |
| // Restored column only exists in NMR2 and above builds. |
| if (cursor.getColumnIndex(RESTORED_COLUMN) != -1) { |
| LogUtil.i("DialerBackupUtils.canRestoreVoicemails", "Build supports restore"); |
| return true; |
| } else { |
| LogUtil.i("DialerBackupUtils.canRestoreVoicemails", "Build does not support restore"); |
| return false; |
| } |
| } |
| } |
| |
| public static VoicemailInfo protoFileToVoicemailInfo(@NonNull File file) throws IOException { |
| byte[] byteArray = Files.toByteArray(file); |
| return VoicemailInfo.parseFrom(byteArray); |
| } |
| |
| @TargetApi(VERSION_CODES.M) |
| public static VoicemailInfo convertVoicemailCursorRowToProto( |
| @NonNull Cursor cursor, @NonNull ContentResolver contentResolver) throws IOException { |
| |
| VoicemailInfo.Builder voicemailInfo = VoicemailInfo.newBuilder(); |
| |
| for (int i = 0; i < cursor.getColumnCount(); ++i) { |
| String name = cursor.getColumnName(i); |
| String value = cursor.getString(i); |
| |
| LogUtil.i( |
| "DialerBackupUtils.convertVoicemailCursorRowToProto", |
| "column index: %d, column name: %s, column value: %s", |
| i, |
| name, |
| value); |
| |
| switch (name) { |
| case Voicemails.DATE: |
| voicemailInfo.setDate(value); |
| break; |
| case Voicemails.DELETED: |
| voicemailInfo.setDeleted(value); |
| break; |
| case Voicemails.DIRTY: |
| voicemailInfo.setDirty(value); |
| break; |
| case Voicemails.DIR_TYPE: |
| voicemailInfo.setDirType(value); |
| break; |
| case Voicemails.DURATION: |
| voicemailInfo.setDuration(value); |
| break; |
| case Voicemails.HAS_CONTENT: |
| voicemailInfo.setHasContent(value); |
| break; |
| case Voicemails.IS_READ: |
| voicemailInfo.setIsRead(value); |
| break; |
| case Voicemails.ITEM_TYPE: |
| voicemailInfo.setItemType(value); |
| break; |
| case Voicemails.LAST_MODIFIED: |
| voicemailInfo.setLastModified(value); |
| break; |
| case Voicemails.MIME_TYPE: |
| voicemailInfo.setMimeType(value); |
| break; |
| case Voicemails.NUMBER: |
| voicemailInfo.setNumber(value); |
| break; |
| case Voicemails.PHONE_ACCOUNT_COMPONENT_NAME: |
| voicemailInfo.setPhoneAccountComponentName(value); |
| break; |
| case Voicemails.PHONE_ACCOUNT_ID: |
| voicemailInfo.setPhoneAccountId(value); |
| break; |
| case Voicemails.SOURCE_DATA: |
| voicemailInfo.setSourceData(value); |
| break; |
| case Voicemails.SOURCE_PACKAGE: |
| voicemailInfo.setSourcePackage(value); |
| break; |
| case Voicemails.TRANSCRIPTION: |
| voicemailInfo.setTranscription(value); |
| break; |
| case DialerBackupAgent.VOICEMAIL_URI: |
| try (InputStream audioStream = contentResolver.openInputStream(Uri.parse(value))) { |
| voicemailInfo.setEncodedVoicemailKey(audioStreamToByteString(audioStream)); |
| } |
| break; |
| default: |
| LogUtil.i( |
| "DialerBackupUtils.convertVoicemailCursorRowToProto", |
| "Not backing up column: %s, with value: %s", |
| name, |
| value); |
| break; |
| } |
| } |
| return voicemailInfo.build(); |
| } |
| |
| public static Pair<ContentValues, byte[]> convertVoicemailProtoFileToContentValueAndAudioBytes( |
| @NonNull File file, Context context) throws IOException { |
| |
| VoicemailInfo voicemailInfo = DialerBackupUtils.protoFileToVoicemailInfo(file); |
| LogUtil.i( |
| "DialerBackupUtils.convertVoicemailProtoFileToContentValueAndEncodedAudio", |
| "file name: " |
| + file.getName() |
| + " voicemailInfo size: " |
| + voicemailInfo.getSerializedSize()); |
| |
| if (isDuplicate(context, voicemailInfo)) { |
| LogUtil.i( |
| "DialerBackupUtils.convertVoicemailProtoFileToContentValueAndEncodedAudio", |
| "voicemail already exists"); |
| return null; |
| } else { |
| ContentValues contentValues = new ContentValues(); |
| |
| if (voicemailInfo.hasDate()) { |
| contentValues.put(Voicemails.DATE, voicemailInfo.getDate()); |
| } |
| if (voicemailInfo.hasDeleted()) { |
| contentValues.put(Voicemails.DELETED, voicemailInfo.getDeleted()); |
| } |
| if (!voicemailInfo.hasDirty()) { |
| contentValues.put(Voicemails.DIRTY, voicemailInfo.getDirty()); |
| } |
| if (!voicemailInfo.hasDuration()) { |
| contentValues.put(Voicemails.DURATION, voicemailInfo.getDuration()); |
| } |
| if (!voicemailInfo.hasIsRead()) { |
| contentValues.put(Voicemails.IS_READ, voicemailInfo.getIsRead()); |
| } |
| if (!voicemailInfo.hasLastModified()) { |
| contentValues.put(Voicemails.LAST_MODIFIED, voicemailInfo.getLastModified()); |
| } |
| if (!voicemailInfo.hasMimeType()) { |
| contentValues.put(Voicemails.MIME_TYPE, voicemailInfo.getMimeType()); |
| } |
| if (!voicemailInfo.hasNumber()) { |
| contentValues.put(Voicemails.NUMBER, voicemailInfo.getNumber()); |
| } |
| if (!voicemailInfo.hasPhoneAccountComponentName()) { |
| contentValues.put( |
| Voicemails.PHONE_ACCOUNT_COMPONENT_NAME, voicemailInfo.getPhoneAccountComponentName()); |
| } |
| if (!voicemailInfo.hasPhoneAccountId()) { |
| contentValues.put(Voicemails.PHONE_ACCOUNT_ID, voicemailInfo.getPhoneAccountId()); |
| } |
| if (!voicemailInfo.hasSourceData()) { |
| contentValues.put(Voicemails.SOURCE_DATA, voicemailInfo.getSourceData()); |
| } |
| if (!voicemailInfo.hasSourcePackage()) { |
| contentValues.put(Voicemails.SOURCE_PACKAGE, voicemailInfo.getSourcePackage()); |
| } |
| if (!voicemailInfo.hasTranscription()) { |
| contentValues.put(Voicemails.TRANSCRIPTION, voicemailInfo.getTranscription()); |
| } |
| contentValues.put(VoicemailContract.Voicemails.HAS_CONTENT, 1); |
| contentValues.put(RESTORED_COLUMN, "1"); |
| contentValues.put(Voicemails.SOURCE_PACKAGE, getSourcePackage(context, voicemailInfo)); |
| |
| LogUtil.i( |
| "DialerBackupUtils.convertVoicemailProtoFileToContentValueAndEncodedAudio", |
| "cv: " + contentValues); |
| |
| return Pair.create(contentValues, voicemailInfo.getEncodedVoicemailKey().toByteArray()); |
| } |
| } |
| |
| /** |
| * We should be using the system package name as the source package if there is no endless VM/VM |
| * archive present on the device. This is to separate pre-O (no endless VM) and O+ (endless VM) |
| * devices. This ensures that the source of truth for VMs is the VM server when endless VM is not |
| * enabled, and when endless VM/archived VMs is present, the source of truth for VMs is the device |
| * itself. |
| */ |
| private static String getSourcePackage(Context context, VoicemailInfo voicemailInfo) { |
| if (ConfigProviderBindings.get(context) |
| .getBoolean("voicemail_restore_force_system_source_package", false)) { |
| LogUtil.i("DialerBackupUtils.getSourcePackage", "forcing system source package"); |
| return "com.android.phone"; |
| } |
| if (ConfigProviderBindings.get(context) |
| .getBoolean("voicemail_restore_check_archive_for_source_package", true)) { |
| if ("1".equals(voicemailInfo.getArchived())) { |
| LogUtil.i( |
| "DialerBackupUtils.getSourcePackage", |
| "voicemail was archived, using app source package"); |
| // Using our app's source package will prevent the archived voicemail from being deleted by |
| // the system when it syncs with the voicemail server. In most cases the user will not see |
| // duplicate voicemails because this voicemail was archived and likely deleted from the |
| // voicemail server. |
| return context.getPackageName(); |
| } else { |
| // Use the system source package. This means that if the voicemail is not present on the |
| // voicemail server then the system will delete it when it syncs. |
| LogUtil.i( |
| "DialerBackupUtils.getSourcePackage", |
| "voicemail was not archived, using system source package"); |
| return "com.android.phone"; |
| } |
| } |
| // Use our app's source package. This means that if the system syncs voicemail from the server |
| // the user could potentially get duplicate voicemails. |
| LogUtil.i("DialerBackupUtils.getSourcePackage", "defaulting to using app source package"); |
| return context.getPackageName(); |
| } |
| |
| @TargetApi(VERSION_CODES.M) |
| private static boolean isDuplicate(Context context, VoicemailInfo voicemailInfo) { |
| // This checks for VM that might already exist, and doesn't restore them |
| try (Cursor cursor = |
| context |
| .getContentResolver() |
| .query( |
| VoicemailContract.Voicemails.CONTENT_URI, |
| null, |
| String.format( |
| "(%s = ? AND %s = ? AND %s = ?)", |
| Voicemails.NUMBER, Voicemails.DATE, Voicemails.DURATION), |
| new String[] { |
| voicemailInfo.getNumber(), voicemailInfo.getDate(), voicemailInfo.getDuration() |
| }, |
| null, |
| null)) { |
| if (cursor.moveToFirst() |
| && ConfigProviderBindings.get(context) |
| .getBoolean("enable_vm_restore_no_duplicate", true)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| public static String getPhoneAccountClause(List<PhoneAccountHandle> phoneAccountsToArchive) { |
| Assert.checkArgument(!phoneAccountsToArchive.isEmpty()); |
| StringBuilder whereQuery = new StringBuilder(); |
| |
| whereQuery.append("("); |
| |
| for (int i = 0; i < phoneAccountsToArchive.size(); i++) { |
| whereQuery.append( |
| Voicemails.PHONE_ACCOUNT_ID + " = " + phoneAccountsToArchive.get(i).getId()); |
| |
| if (phoneAccountsToArchive.size() > 1 && i < phoneAccountsToArchive.size() - 1) { |
| whereQuery.append(" OR "); |
| } |
| } |
| whereQuery.append(")"); |
| return whereQuery.toString(); |
| } |
| |
| public static List<PhoneAccountHandle> getPhoneAccountsToArchive(Context context) { |
| List<PhoneAccountHandle> phoneAccountsToBackUp = new ArrayList<>(); |
| |
| for (PhoneAccountHandle handle : |
| context.getSystemService(TelecomManager.class).getCallCapablePhoneAccounts()) { |
| |
| if (VoicemailComponent.get(context) |
| .getVoicemailClient() |
| .isVoicemailArchiveEnabled(context, handle)) { |
| phoneAccountsToBackUp.add(handle); |
| LogUtil.i( |
| "DialerBackupUtils.getPhoneAccountsToArchive", "enabled for: " + handle.toString()); |
| } else { |
| LogUtil.i( |
| "DialerBackupUtils.getPhoneAccountsToArchive", "not enabled for: " + handle.toString()); |
| } |
| } |
| return phoneAccountsToBackUp; |
| } |
| } |