session-android/src/org/thoughtcrime/securesms/jobs/CreateSignedPreKeyJob.java

package org.thoughtcrime.securesms.jobs;

import android.content.Context;
import android.support.annotation.NonNull;

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.SignedPreKeyRecord;
import org.whispersystems.signalservice.api.SignalServiceAccountManager;
import org.whispersystems.signalservice.api.push.exceptions.PushNetworkException;

import java.io.IOException;

import javax.inject.Inject;

import androidx.work.Data;

public class CreateSignedPreKeyJob extends ContextJob implements InjectableType {

  private static final long serialVersionUID = 1L;

  private static final String TAG = CreateSignedPreKeyJob.class.getSimpleName();

  @Inject transient SignalServiceAccountManager accountManager;

  public CreateSignedPreKeyJob() {
    super(null, null);
  }

  public CreateSignedPreKeyJob(Context context) {
    super(context, JobParameters.newBuilder()
                                .withNetworkRequirement()
                                .withGroupId(CreateSignedPreKeyJob.class.getSimpleName())
                                .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.isSignedPreKeyRegistered(context)) {
      Log.w(TAG, "Signed prekey already registered...");
      return;
    }

    if (!TextSecurePreferences.isPushRegistered(context)) {
      Log.w(TAG, "Not yet registered...");
      return;
    }

    IdentityKeyPair    identityKeyPair    = IdentityKeyUtil.getIdentityKeyPair(context);
    SignedPreKeyRecord signedPreKeyRecord = PreKeyUtil.generateSignedPreKey(context, identityKeyPair, true);

    accountManager.setSignedPreKey(signedPreKeyRecord);
    TextSecurePreferences.setSignedPreKeyRegistered(context, true);
  }

  @Override
  public void onCanceled() {}

  @Override
  public boolean onShouldRetry(Exception exception) {
    if (exception instanceof PushNetworkException) return true;
    return false;
  }
}