| /* |
| * Copyright (C) 2020 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.server.people.data; |
| |
| import android.annotation.Nullable; |
| import android.annotation.WorkerThread; |
| import android.content.Context; |
| import android.database.Cursor; |
| import android.net.Uri; |
| import android.provider.Telephony.BaseMmsColumns; |
| import android.provider.Telephony.Mms; |
| import android.telephony.PhoneNumberUtils; |
| import android.text.TextUtils; |
| import android.util.Slog; |
| import android.util.SparseIntArray; |
| |
| import com.google.android.mms.pdu.PduHeaders; |
| |
| import java.util.function.BiConsumer; |
| |
| /** A helper class that queries the MMS database tables. */ |
| class MmsQueryHelper { |
| |
| private static final String TAG = "MmsQueryHelper"; |
| private static final long MILLIS_PER_SECONDS = 1000L; |
| private static final SparseIntArray MSG_BOX_TO_EVENT_TYPE = new SparseIntArray(); |
| |
| static { |
| MSG_BOX_TO_EVENT_TYPE.put(BaseMmsColumns.MESSAGE_BOX_INBOX, Event.TYPE_SMS_INCOMING); |
| MSG_BOX_TO_EVENT_TYPE.put(BaseMmsColumns.MESSAGE_BOX_SENT, Event.TYPE_SMS_OUTGOING); |
| } |
| |
| private final Context mContext; |
| private final BiConsumer<String, Event> mEventConsumer; |
| private long mLastMessageTimestamp; |
| private String mCurrentCountryIso; |
| |
| /** |
| * @param context Context for accessing the content resolver. |
| * @param eventConsumer Consumes the events created from the message records. The first input |
| * param is the normalized phone number. |
| */ |
| MmsQueryHelper(Context context, BiConsumer<String, Event> eventConsumer) { |
| mContext = context; |
| mEventConsumer = eventConsumer; |
| mCurrentCountryIso = Utils.getCurrentCountryIso(mContext); |
| } |
| |
| /** |
| * Queries the MMS database tables for the new data added since {@code sinceTime} (in millis) |
| * and returns true if the query runs successfully and at least one message entry is found. |
| */ |
| @WorkerThread |
| boolean querySince(long sinceTime) { |
| String[] projection = new String[] { Mms._ID, Mms.DATE, Mms.MESSAGE_BOX }; |
| String selection = Mms.DATE + " > ?"; |
| // NOTE: The field Mms.DATE is stored in seconds, not milliseconds. |
| String[] selectionArgs = new String[] { Long.toString(sinceTime / MILLIS_PER_SECONDS) }; |
| boolean hasResults = false; |
| try (Cursor cursor = mContext.getContentResolver().query( |
| Mms.CONTENT_URI, projection, selection, selectionArgs, null)) { |
| if (cursor == null) { |
| Slog.w(TAG, "Cursor is null when querying MMS table."); |
| return false; |
| } |
| while (cursor.moveToNext()) { |
| // ID |
| int msgIdIndex = cursor.getColumnIndex(Mms._ID); |
| String msgId = cursor.getString(msgIdIndex); |
| |
| // Date |
| int dateIndex = cursor.getColumnIndex(Mms.DATE); |
| long date = cursor.getLong(dateIndex) * MILLIS_PER_SECONDS; |
| |
| // Message box |
| int msgBoxIndex = cursor.getColumnIndex(Mms.MESSAGE_BOX); |
| int msgBox = cursor.getInt(msgBoxIndex); |
| |
| mLastMessageTimestamp = Math.max(mLastMessageTimestamp, date); |
| String address = getMmsAddress(msgId, msgBox); |
| if (address != null && addEvent(address, date, msgBox)) { |
| hasResults = true; |
| } |
| } |
| } |
| return hasResults; |
| } |
| |
| long getLastMessageTimestamp() { |
| return mLastMessageTimestamp; |
| } |
| |
| @Nullable |
| private String getMmsAddress(String msgId, int msgBox) { |
| Uri addressUri = Mms.Addr.getAddrUriForMessage(msgId); |
| String[] projection = new String[] { Mms.Addr.ADDRESS, Mms.Addr.TYPE }; |
| String address = null; |
| try (Cursor cursor = mContext.getContentResolver().query( |
| addressUri, projection, null, null, null)) { |
| if (cursor == null) { |
| Slog.w(TAG, "Cursor is null when querying MMS address table."); |
| return null; |
| } |
| while (cursor.moveToNext()) { |
| // Type |
| int typeIndex = cursor.getColumnIndex(Mms.Addr.TYPE); |
| int type = cursor.getInt(typeIndex); |
| |
| if ((msgBox == BaseMmsColumns.MESSAGE_BOX_INBOX && type == PduHeaders.FROM) |
| || (msgBox == BaseMmsColumns.MESSAGE_BOX_SENT && type == PduHeaders.TO)) { |
| // Address |
| int addrIndex = cursor.getColumnIndex(Mms.Addr.ADDRESS); |
| address = cursor.getString(addrIndex); |
| } |
| } |
| } |
| if (!Mms.isPhoneNumber(address)) { |
| return null; |
| } |
| return PhoneNumberUtils.formatNumberToE164(address, mCurrentCountryIso); |
| } |
| |
| private boolean addEvent(String phoneNumber, long date, int msgBox) { |
| if (!validateEvent(phoneNumber, date, msgBox)) { |
| return false; |
| } |
| @Event.EventType int eventType = MSG_BOX_TO_EVENT_TYPE.get(msgBox); |
| mEventConsumer.accept(phoneNumber, new Event(date, eventType)); |
| return true; |
| } |
| |
| private boolean validateEvent(String phoneNumber, long date, int msgBox) { |
| return !TextUtils.isEmpty(phoneNumber) |
| && date > 0L |
| && MSG_BOX_TO_EVENT_TYPE.indexOfKey(msgBox) >= 0; |
| } |
| } |