2016-08-16 05:23:56 +02:00
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package org.thoughtcrime.securesms.service;
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import android.content.Context;
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2021-01-13 07:11:30 +01:00
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import org.jetbrains.annotations.NotNull;
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2021-03-25 04:55:23 +01:00
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import org.session.libsession.messaging.messages.control.ExpirationTimerUpdate;
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2021-10-04 09:51:19 +02:00
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import org.session.libsession.messaging.messages.signal.IncomingMediaMessage;
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2021-04-15 06:41:29 +02:00
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import org.session.libsession.messaging.messages.signal.OutgoingExpirationUpdateMessage;
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2021-05-18 08:11:38 +02:00
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import org.session.libsession.utilities.Address;
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2021-03-25 04:55:23 +01:00
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import org.session.libsession.utilities.GroupUtil;
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2021-01-13 07:11:30 +01:00
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import org.session.libsession.utilities.SSKEnvironment;
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2021-04-07 02:40:45 +02:00
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import org.session.libsession.utilities.TextSecurePreferences;
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2021-10-04 09:51:19 +02:00
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import org.session.libsession.utilities.recipients.Recipient;
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2021-05-18 01:50:16 +02:00
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import org.session.libsignal.messages.SignalServiceGroup;
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2021-05-18 01:12:33 +02:00
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import org.session.libsignal.utilities.Log;
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2021-10-04 09:51:19 +02:00
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import org.session.libsignal.utilities.guava.Optional;
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2016-08-16 05:23:56 +02:00
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import org.thoughtcrime.securesms.database.MmsDatabase;
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import org.thoughtcrime.securesms.database.SmsDatabase;
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import org.thoughtcrime.securesms.database.model.MessageRecord;
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2021-10-04 09:51:19 +02:00
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import org.thoughtcrime.securesms.dependencies.DatabaseComponent;
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2021-01-13 07:11:30 +01:00
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import org.thoughtcrime.securesms.mms.MmsException;
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2016-08-16 05:23:56 +02:00
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2021-03-25 04:55:23 +01:00
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import java.io.IOException;
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2016-08-16 05:23:56 +02:00
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import java.util.Comparator;
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import java.util.TreeSet;
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import java.util.concurrent.Executor;
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import java.util.concurrent.Executors;
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2021-01-13 07:11:30 +01:00
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public class ExpiringMessageManager implements SSKEnvironment.MessageExpirationManagerProtocol {
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2016-08-16 05:23:56 +02:00
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private static final String TAG = ExpiringMessageManager.class.getSimpleName();
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private final TreeSet<ExpiringMessageReference> expiringMessageReferences = new TreeSet<>(new ExpiringMessageComparator());
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private final Executor executor = Executors.newSingleThreadExecutor();
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private final SmsDatabase smsDatabase;
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private final MmsDatabase mmsDatabase;
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private final Context context;
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public ExpiringMessageManager(Context context) {
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this.context = context.getApplicationContext();
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2021-10-04 09:51:19 +02:00
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this.smsDatabase = DatabaseComponent.get(context).smsDatabase();
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this.mmsDatabase = DatabaseComponent.get(context).mmsDatabase();
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2016-08-16 05:23:56 +02:00
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executor.execute(new LoadTask());
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executor.execute(new ProcessTask());
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}
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public void scheduleDeletion(long id, boolean mms, long expiresInMillis) {
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scheduleDeletion(id, mms, System.currentTimeMillis(), expiresInMillis);
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}
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public void scheduleDeletion(long id, boolean mms, long startedAtTimestamp, long expiresInMillis) {
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long expiresAtMillis = startedAtTimestamp + expiresInMillis;
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synchronized (expiringMessageReferences) {
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expiringMessageReferences.add(new ExpiringMessageReference(id, mms, expiresAtMillis));
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expiringMessageReferences.notifyAll();
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}
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}
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2018-06-19 05:47:13 +02:00
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public void checkSchedule() {
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2016-08-16 05:23:56 +02:00
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synchronized (expiringMessageReferences) {
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expiringMessageReferences.notifyAll();
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}
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}
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2021-01-13 07:11:30 +01:00
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@Override
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2021-03-25 04:55:23 +01:00
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public void setExpirationTimer(@NotNull ExpirationTimerUpdate message) {
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2021-04-08 04:07:23 +02:00
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String userPublicKey = TextSecurePreferences.getLocalNumber(context);
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String senderPublicKey = message.getSender();
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// Notify the user
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2021-04-14 08:37:04 +02:00
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if (senderPublicKey == null || userPublicKey.equals(senderPublicKey)) {
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// sender is self or a linked device
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2021-04-08 04:07:23 +02:00
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insertOutgoingExpirationTimerMessage(message);
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} else {
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insertIncomingExpirationTimerMessage(message);
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}
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if (message.getId() != null) {
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2021-10-04 09:51:19 +02:00
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DatabaseComponent.get(context).smsDatabase().deleteMessage(message.getId());
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2021-04-08 04:07:23 +02:00
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}
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}
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private void insertIncomingExpirationTimerMessage(ExpirationTimerUpdate message) {
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2021-10-04 09:51:19 +02:00
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MmsDatabase database = DatabaseComponent.get(context).mmsDatabase();
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2021-03-25 04:55:23 +01:00
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String senderPublicKey = message.getSender();
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Long sentTimestamp = message.getSentTimestamp();
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2021-04-08 04:07:23 +02:00
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String groupId = message.getGroupPublicKey();
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int duration = message.getDuration();
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2021-03-25 04:55:23 +01:00
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Optional<SignalServiceGroup> groupInfo = Optional.absent();
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2021-04-14 08:37:04 +02:00
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Address address = Address.fromSerialized(senderPublicKey);
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2021-04-08 04:07:23 +02:00
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Recipient recipient = Recipient.from(context, address, false);
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// if the sender is blocked, we don't display the update, except if it's in a closed group
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if (recipient.isBlocked() && groupId == null) return;
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2021-03-25 04:55:23 +01:00
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2021-01-13 07:11:30 +01:00
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try {
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2021-04-08 04:07:23 +02:00
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if (groupId != null) {
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String groupID = GroupUtil.doubleEncodeGroupID(groupId);
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2021-03-25 04:55:23 +01:00
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groupInfo = Optional.of(new SignalServiceGroup(GroupUtil.getDecodedGroupIDAsData(groupID), SignalServiceGroup.GroupType.SIGNAL));
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2021-04-08 04:07:23 +02:00
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Address groupAddress = Address.fromSerialized(groupID);
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recipient = Recipient.from(context, groupAddress, false);
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2021-03-25 04:55:23 +01:00
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}
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2021-03-11 00:52:54 +01:00
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2021-04-08 04:07:23 +02:00
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IncomingMediaMessage mediaMessage = new IncomingMediaMessage(address, sentTimestamp, -1,
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duration * 1000L, true,
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false,
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Optional.absent(),
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groupInfo,
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Optional.absent(),
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Optional.absent(),
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Optional.absent(),
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2021-04-09 08:30:36 +02:00
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Optional.absent(),
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2021-04-08 04:07:23 +02:00
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Optional.absent());
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//insert the timer update message
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database.insertSecureDecryptedMessageInbox(mediaMessage, -1);
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//set the timer to the conversation
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2021-10-04 09:51:19 +02:00
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DatabaseComponent.get(context).recipientDatabase().setExpireMessages(recipient, duration);
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2021-04-08 04:07:23 +02:00
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} catch (IOException | MmsException ioe) {
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Log.e("Loki", "Failed to insert expiration update message.");
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}
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}
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2021-03-11 00:52:54 +01:00
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2021-04-08 04:07:23 +02:00
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private void insertOutgoingExpirationTimerMessage(ExpirationTimerUpdate message) {
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2021-10-04 09:51:19 +02:00
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MmsDatabase database = DatabaseComponent.get(context).mmsDatabase();
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2021-04-08 04:07:23 +02:00
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Long sentTimestamp = message.getSentTimestamp();
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String groupId = message.getGroupPublicKey();
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int duration = message.getDuration();
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2021-04-14 08:37:04 +02:00
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Address address = Address.fromSerialized((message.getSyncTarget() != null && !message.getSyncTarget().isEmpty()) ? message.getSyncTarget() : message.getRecipient());
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2021-04-08 04:07:23 +02:00
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Recipient recipient = Recipient.from(context, address, false);
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try {
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2021-04-15 06:41:29 +02:00
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OutgoingExpirationUpdateMessage timerUpdateMessage = new OutgoingExpirationUpdateMessage(recipient, sentTimestamp, duration * 1000L, groupId);
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database.insertSecureDecryptedMessageOutbox(timerUpdateMessage, -1, sentTimestamp);
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2021-04-08 04:07:23 +02:00
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if (groupId != null) {
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// we need the group ID as recipient for setExpireMessages below
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recipient = Recipient.from(context, Address.fromSerialized(GroupUtil.doubleEncodeGroupID(groupId)), false);
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2021-01-13 07:11:30 +01:00
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}
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2021-03-25 04:55:23 +01:00
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//set the timer to the conversation
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2021-10-04 09:51:19 +02:00
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DatabaseComponent.get(context).recipientDatabase().setExpireMessages(recipient, duration);
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2021-01-13 07:11:30 +01:00
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2021-04-08 04:07:23 +02:00
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} catch (MmsException | IOException ioe) {
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2021-03-25 04:55:23 +01:00
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Log.e("Loki", "Failed to insert expiration update message.");
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2021-01-13 07:11:30 +01:00
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}
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}
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@Override
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2021-03-25 04:55:23 +01:00
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public void disableExpirationTimer(@NotNull ExpirationTimerUpdate message) {
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setExpirationTimer(message);
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2021-01-13 07:11:30 +01:00
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}
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2021-01-20 06:29:52 +01:00
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@Override
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2021-03-02 02:24:09 +01:00
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public void startAnyExpiration(long timestamp, @NotNull String author) {
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2021-10-04 09:51:19 +02:00
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MessageRecord messageRecord = DatabaseComponent.get(context).mmsSmsDatabase().getMessageFor(timestamp, author);
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2021-01-20 06:29:52 +01:00
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if (messageRecord != null) {
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boolean mms = messageRecord.isMms();
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Recipient recipient = messageRecord.getRecipient();
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2021-03-02 02:24:09 +01:00
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if (recipient.getExpireMessages() <= 0) return;
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2021-01-20 06:29:52 +01:00
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if (mms) {
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2021-03-02 02:24:09 +01:00
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mmsDatabase.markExpireStarted(messageRecord.getId());
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2021-01-20 06:29:52 +01:00
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} else {
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2021-03-02 02:24:09 +01:00
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smsDatabase.markExpireStarted(messageRecord.getId());
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2021-01-20 06:29:52 +01:00
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}
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2021-03-04 07:14:12 +01:00
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scheduleDeletion(messageRecord.getId(), mms, recipient.getExpireMessages() * 1000);
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2021-01-20 06:29:52 +01:00
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}
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}
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2016-08-16 05:23:56 +02:00
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private class LoadTask implements Runnable {
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2021-05-31 03:23:37 +02:00
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2016-08-16 05:23:56 +02:00
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public void run() {
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SmsDatabase.Reader smsReader = smsDatabase.readerFor(smsDatabase.getExpirationStartedMessages());
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2018-01-25 04:17:44 +01:00
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MmsDatabase.Reader mmsReader = mmsDatabase.getExpireStartedMessages();
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2016-08-16 05:23:56 +02:00
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2018-01-25 04:17:44 +01:00
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MessageRecord messageRecord;
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2016-08-16 05:23:56 +02:00
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while ((messageRecord = smsReader.getNext()) != null) {
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expiringMessageReferences.add(new ExpiringMessageReference(messageRecord.getId(),
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messageRecord.isMms(),
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messageRecord.getExpireStarted() + messageRecord.getExpiresIn()));
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}
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while ((messageRecord = mmsReader.getNext()) != null) {
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expiringMessageReferences.add(new ExpiringMessageReference(messageRecord.getId(),
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messageRecord.isMms(),
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messageRecord.getExpireStarted() + messageRecord.getExpiresIn()));
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}
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2018-01-25 04:17:44 +01:00
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smsReader.close();
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mmsReader.close();
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2016-08-16 05:23:56 +02:00
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}
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}
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2018-01-25 04:17:44 +01:00
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@SuppressWarnings("InfiniteLoopStatement")
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2016-08-16 05:23:56 +02:00
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private class ProcessTask implements Runnable {
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public void run() {
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while (true) {
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ExpiringMessageReference expiredMessage = null;
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synchronized (expiringMessageReferences) {
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try {
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while (expiringMessageReferences.isEmpty()) expiringMessageReferences.wait();
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ExpiringMessageReference nextReference = expiringMessageReferences.first();
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long waitTime = nextReference.expiresAtMillis - System.currentTimeMillis();
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if (waitTime > 0) {
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ExpirationListener.setAlarm(context, waitTime);
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expiringMessageReferences.wait(waitTime);
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} else {
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expiredMessage = nextReference;
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expiringMessageReferences.remove(nextReference);
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}
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} catch (InterruptedException e) {
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Log.w(TAG, e);
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}
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}
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if (expiredMessage != null) {
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2021-08-16 01:58:28 +02:00
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if (expiredMessage.mms) mmsDatabase.deleteMessage(expiredMessage.id);
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2016-08-16 05:23:56 +02:00
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else smsDatabase.deleteMessage(expiredMessage.id);
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}
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}
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}
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}
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private static class ExpiringMessageReference {
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private final long id;
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private final boolean mms;
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private final long expiresAtMillis;
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private ExpiringMessageReference(long id, boolean mms, long expiresAtMillis) {
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this.id = id;
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this.mms = mms;
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this.expiresAtMillis = expiresAtMillis;
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}
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@Override
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public boolean equals(Object other) {
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if (other == null) return false;
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if (!(other instanceof ExpiringMessageReference)) return false;
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ExpiringMessageReference that = (ExpiringMessageReference)other;
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return this.id == that.id && this.mms == that.mms && this.expiresAtMillis == that.expiresAtMillis;
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}
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@Override
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public int hashCode() {
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return (int)this.id ^ (mms ? 1 : 0) ^ (int)expiresAtMillis;
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}
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}
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private static class ExpiringMessageComparator implements Comparator<ExpiringMessageReference> {
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@Override
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public int compare(ExpiringMessageReference lhs, ExpiringMessageReference rhs) {
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if (lhs.expiresAtMillis < rhs.expiresAtMillis) return -1;
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else if (lhs.expiresAtMillis > rhs.expiresAtMillis) return 1;
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else if (lhs.id < rhs.id) return -1;
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else if (lhs.id > rhs.id) return 1;
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else if (!lhs.mms && rhs.mms) return -1;
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else if (lhs.mms && !rhs.mms) return 1;
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else return 0;
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}
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}
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}
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