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

package org.thoughtcrime.securesms.jobs;

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

import org.thoughtcrime.securesms.ApplicationContext;
import org.thoughtcrime.securesms.crypto.ProfileKeyUtil;
import org.thoughtcrime.securesms.database.Address;
import org.thoughtcrime.securesms.dependencies.InjectableType;
import org.thoughtcrime.securesms.jobmanager.JobParameters;
import org.thoughtcrime.securesms.jobmanager.SafeData;
import org.thoughtcrime.securesms.profiles.AvatarHelper;
import org.thoughtcrime.securesms.util.TextSecurePreferences;
import org.whispersystems.signalservice.api.SignalServiceAccountManager;
import org.whispersystems.signalservice.api.push.exceptions.PushNetworkException;
import org.whispersystems.signalservice.api.util.StreamDetails;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;

import javax.inject.Inject;

import androidx.work.Data;
import androidx.work.WorkerParameters;

public class RotateProfileKeyJob extends ContextJob implements InjectableType {

  @Inject SignalServiceAccountManager accountManager;

  public RotateProfileKeyJob(@NonNull Context context, @NonNull WorkerParameters workerParameters) {
    super(context, workerParameters);
  }

  public RotateProfileKeyJob(Context context) {
    super(context, new JobParameters.Builder()
                                    .withGroupId("__ROTATE_PROFILE_KEY__")
                                    .withDuplicatesIgnored(true)
                                    .withNetworkRequirement()
                                    .create());
  }

  @NonNull
  @Override
  protected Data serialize(@NonNull Data.Builder dataBuilder) {
    return dataBuilder.build();
  }

  @Override
  protected void initialize(@NonNull SafeData data) {
  }

  @Override
  public void onRun() throws Exception {
    byte[] profileKey = ProfileKeyUtil.rotateProfileKey(context);

    accountManager.setProfileName(profileKey, TextSecurePreferences.getProfileName(context));
    accountManager.setProfileAvatar(profileKey, getProfileAvatar());

    ApplicationContext.getInstance(context)
                      .getJobManager()
                      .add(new RefreshAttributesJob(context));
  }

  @Override
  protected void onCanceled() {

  }

  @Override
  protected boolean onShouldRetry(Exception exception) {
    return exception instanceof PushNetworkException;
  }

  private @Nullable StreamDetails getProfileAvatar() {
    try {
      Address localAddress = Address.fromSerialized(TextSecurePreferences.getLocalNumber(context));
      File    avatarFile   = AvatarHelper.getAvatarFile(context, localAddress);

      if (avatarFile.exists()) {
        return new StreamDetails(new FileInputStream(avatarFile), "image/jpeg", avatarFile.length());
      }
    } catch (IOException e) {
      return null;
    }
    return null;
  }
}