kopia lustrzana https://github.com/ryukoposting/Signal-Android
157 wiersze
6.7 KiB
Java
157 wiersze
6.7 KiB
Java
package org.thoughtcrime.securesms.jobs;
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import android.app.PendingIntent;
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import android.content.Context;
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import androidx.annotation.NonNull;
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import androidx.core.app.NotificationCompat;
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import androidx.core.app.NotificationManagerCompat;
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import org.signal.core.util.logging.Log;
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import org.signal.libsignal.protocol.SignalProtocolAddress;
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import org.signal.libsignal.protocol.message.SenderKeyDistributionMessage;
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import org.thoughtcrime.securesms.MainActivity;
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import org.thoughtcrime.securesms.R;
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import org.thoughtcrime.securesms.dependencies.ApplicationDependencies;
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import org.thoughtcrime.securesms.jobmanager.Data;
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import org.thoughtcrime.securesms.jobmanager.Job;
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import org.thoughtcrime.securesms.messages.MessageContentProcessor.MessageState;
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import org.thoughtcrime.securesms.messages.MessageDecryptionUtil;
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import org.thoughtcrime.securesms.messages.MessageDecryptionUtil.DecryptionResult;
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import org.thoughtcrime.securesms.notifications.NotificationChannels;
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import org.thoughtcrime.securesms.notifications.NotificationIds;
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import org.thoughtcrime.securesms.transport.RetryLaterException;
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import org.thoughtcrime.securesms.util.TextSecurePreferences;
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import org.whispersystems.signalservice.api.SignalServiceMessageSender;
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import org.whispersystems.signalservice.api.messages.SignalServiceEnvelope;
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import org.whispersystems.signalservice.api.push.SignalServiceAddress;
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import java.util.LinkedList;
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import java.util.List;
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/**
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* Decrypts an envelope. Enqueues a separate job, {@link PushProcessMessageJob}, to actually insert
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* the result into our database.
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*/
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public final class PushDecryptMessageJob extends BaseJob {
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public static final String KEY = "PushDecryptJob";
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public static final String QUEUE = "__PUSH_DECRYPT_JOB__";
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public static final String TAG = Log.tag(PushDecryptMessageJob.class);
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private static final String KEY_SMS_MESSAGE_ID = "sms_message_id";
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private static final String KEY_ENVELOPE = "envelope";
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private final long smsMessageId;
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private final SignalServiceEnvelope envelope;
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public PushDecryptMessageJob(Context context, @NonNull SignalServiceEnvelope envelope) {
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this(context, envelope, -1);
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}
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public PushDecryptMessageJob(Context context, @NonNull SignalServiceEnvelope envelope, long smsMessageId) {
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this(new Parameters.Builder()
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.setQueue(QUEUE)
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.setMaxAttempts(Parameters.UNLIMITED)
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.build(),
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envelope,
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smsMessageId);
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setContext(context);
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}
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private PushDecryptMessageJob(@NonNull Parameters parameters, @NonNull SignalServiceEnvelope envelope, long smsMessageId) {
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super(parameters);
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this.envelope = envelope;
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this.smsMessageId = smsMessageId;
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}
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@Override
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protected boolean shouldTrace() {
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return true;
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}
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@Override
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public @NonNull Data serialize() {
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return new Data.Builder().putBlobAsString(KEY_ENVELOPE, envelope.serialize())
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.putLong(KEY_SMS_MESSAGE_ID, smsMessageId)
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.build();
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}
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@Override
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public @NonNull String getFactoryKey() {
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return KEY;
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}
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@Override
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public void onRun() throws RetryLaterException {
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if (needsMigration()) {
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Log.w(TAG, "Migration is still needed.");
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postMigrationNotification();
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throw new RetryLaterException();
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}
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List<Job> jobs = new LinkedList<>();
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DecryptionResult result = MessageDecryptionUtil.decrypt(context, envelope);
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if (result.getContent() != null) {
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if (result.getContent().getSenderKeyDistributionMessage().isPresent()) {
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handleSenderKeyDistributionMessage(result.getContent().getSender(), result.getContent().getSenderDevice(), result.getContent().getSenderKeyDistributionMessage().get());
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}
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jobs.add(new PushProcessMessageJob(result.getContent(), smsMessageId, envelope.getTimestamp()));
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} else if (result.getException() != null && result.getState() != MessageState.NOOP) {
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jobs.add(new PushProcessMessageJob(result.getState(), result.getException(), smsMessageId, envelope.getTimestamp()));
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}
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jobs.addAll(result.getJobs());
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for (Job job: jobs) {
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ApplicationDependencies.getJobManager().add(job);
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}
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}
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@Override
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public boolean onShouldRetry(@NonNull Exception exception) {
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return exception instanceof RetryLaterException;
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}
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@Override
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public void onFailure() {
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}
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private void handleSenderKeyDistributionMessage(@NonNull SignalServiceAddress address, int deviceId, @NonNull SenderKeyDistributionMessage message) {
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Log.i(TAG, "Processing SenderKeyDistributionMessage.");
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SignalServiceMessageSender sender = ApplicationDependencies.getSignalServiceMessageSender();
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sender.processSenderKeyDistributionMessage(new SignalProtocolAddress(address.getIdentifier(), deviceId), message);
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}
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private boolean needsMigration() {
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return TextSecurePreferences.getNeedsSqlCipherMigration(context);
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}
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private void postMigrationNotification() {
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NotificationManagerCompat.from(context).notify(NotificationIds.LEGACY_SQLCIPHER_MIGRATION,
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new NotificationCompat.Builder(context, NotificationChannels.getMessagesChannel(context))
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.setSmallIcon(R.drawable.ic_notification)
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.setPriority(NotificationCompat.PRIORITY_HIGH)
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.setCategory(NotificationCompat.CATEGORY_MESSAGE)
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.setContentTitle(context.getString(R.string.PushDecryptJob_new_locked_message))
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.setContentText(context.getString(R.string.PushDecryptJob_unlock_to_view_pending_messages))
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.setContentIntent(PendingIntent.getActivity(context, 0, MainActivity.clearTop(context), 0))
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.setDefaults(NotificationCompat.DEFAULT_SOUND | NotificationCompat.DEFAULT_VIBRATE)
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.build());
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}
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public static final class Factory implements Job.Factory<PushDecryptMessageJob> {
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@Override
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public @NonNull PushDecryptMessageJob create(@NonNull Parameters parameters, @NonNull Data data) {
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return new PushDecryptMessageJob(parameters,
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SignalServiceEnvelope.deserialize(data.getStringAsBlob(KEY_ENVELOPE)),
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data.getLong(KEY_SMS_MESSAGE_ID));
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}
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}
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}
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