2018-11-27 12:35:41 -08:00

100 lines
3.4 KiB
Java

package org.thoughtcrime.securesms.jobs;
import android.content.Context;
import android.support.annotation.NonNull;
import org.thoughtcrime.securesms.ApplicationContext;
import org.thoughtcrime.securesms.crypto.IdentityKeyUtil;
import org.thoughtcrime.securesms.crypto.MasterSecret;
import org.thoughtcrime.securesms.crypto.PreKeyUtil;
import org.thoughtcrime.securesms.dependencies.InjectableType;
import org.thoughtcrime.securesms.jobmanager.JobParameters;
import org.thoughtcrime.securesms.jobmanager.SafeData;
import org.thoughtcrime.securesms.logging.Log;
import org.thoughtcrime.securesms.util.TextSecurePreferences;
import org.whispersystems.libsignal.IdentityKeyPair;
import org.whispersystems.libsignal.state.PreKeyRecord;
import org.whispersystems.libsignal.state.SignedPreKeyRecord;
import org.whispersystems.signalservice.api.SignalServiceAccountManager;
import org.whispersystems.signalservice.api.push.exceptions.NonSuccessfulResponseCodeException;
import org.whispersystems.signalservice.api.push.exceptions.PushNetworkException;
import java.io.IOException;
import java.util.List;
import javax.inject.Inject;
import androidx.work.Data;
import androidx.work.WorkerParameters;
public class RefreshPreKeysJob extends ContextJob implements InjectableType {
private static final String TAG = RefreshPreKeysJob.class.getSimpleName();
private static final int PREKEY_MINIMUM = 10;
@Inject transient SignalServiceAccountManager accountManager;
public RefreshPreKeysJob(@NonNull Context context, @NonNull WorkerParameters workerParameters) {
super(context, workerParameters);
}
public RefreshPreKeysJob(Context context) {
super(context, JobParameters.newBuilder()
.withGroupId(RefreshPreKeysJob.class.getSimpleName())
.withNetworkRequirement()
.withRetryCount(5)
.create());
}
@Override
protected void initialize(@NonNull SafeData data) {
}
@Override
protected @NonNull Data serialize(@NonNull Data.Builder dataBuilder) {
return dataBuilder.build();
}
@Override
public void onRun() throws IOException {
if (!TextSecurePreferences.isPushRegistered(context)) return;
int availableKeys = accountManager.getPreKeysCount();
if (availableKeys >= PREKEY_MINIMUM && TextSecurePreferences.isSignedPreKeyRegistered(context)) {
Log.i(TAG, "Available keys sufficient: " + availableKeys);
return;
}
List<PreKeyRecord> preKeyRecords = PreKeyUtil.generatePreKeys(context);
IdentityKeyPair identityKey = IdentityKeyUtil.getIdentityKeyPair(context);
SignedPreKeyRecord signedPreKeyRecord = PreKeyUtil.generateSignedPreKey(context, identityKey, false);
Log.i(TAG, "Registering new prekeys...");
accountManager.setPreKeys(identityKey.getPublicKey(), signedPreKeyRecord, preKeyRecords);
PreKeyUtil.setActiveSignedPreKeyId(context, signedPreKeyRecord.getId());
TextSecurePreferences.setSignedPreKeyRegistered(context, true);
ApplicationContext.getInstance(context)
.getJobManager()
.add(new CleanPreKeysJob(context));
}
@Override
public boolean onShouldRetry(Exception exception) {
if (exception instanceof NonSuccessfulResponseCodeException) return false;
if (exception instanceof PushNetworkException) return true;
return false;
}
@Override
public void onCanceled() {
}
}