/**
* Copyright (C) 2013 Open Whisper Systems
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.thoughtcrime.SMP;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.database.Cursor;
import android.os.AsyncTask;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.ProgressBar;
import org.thoughtcrime.SMP.crypto.IdentityKeyUtil;
import org.thoughtcrime.SMP.crypto.MasterSecret;
import org.thoughtcrime.SMP.database.DatabaseFactory;
import org.thoughtcrime.SMP.database.EncryptingSmsDatabase;
import org.thoughtcrime.SMP.database.PushDatabase;
import org.thoughtcrime.SMP.database.SmsDatabase;
import org.thoughtcrime.SMP.database.model.SmsMessageRecord;
import org.thoughtcrime.SMP.jobs.CreateSignedPreKeyJob;
import org.thoughtcrime.SMP.jobs.PushDecryptJob;
import org.thoughtcrime.SMP.jobs.SmsDecryptJob;
import org.thoughtcrime.SMP.notifications.MessageNotifier;
import org.thoughtcrime.SMP.util.ParcelUtil;
import org.thoughtcrime.SMP.util.Util;
import org.thoughtcrime.SMP.util.VersionTracker;
import org.whispersystems.jobqueue.EncryptionKeys;
import java.io.File;
import java.util.SortedSet;
import java.util.TreeSet;
public class DatabaseUpgradeActivity extends BaseActivity {
public static final int NO_MORE_KEY_EXCHANGE_PREFIX_VERSION = 46;
public static final int MMS_BODY_VERSION = 46;
public static final int TOFU_IDENTITIES_VERSION = 50;
public static final int CURVE25519_VERSION = 63;
public static final int ASYMMETRIC_MASTER_SECRET_FIX_VERSION = 73;
public static final int NO_V1_VERSION = 83;
public static final int SIGNED_PREKEY_VERSION = 83;
public static final int NO_DECRYPT_QUEUE_VERSION = 113;
private static final SortedSet<Integer> UPGRADE_VERSIONS = new TreeSet<Integer>() {{
add(NO_MORE_KEY_EXCHANGE_PREFIX_VERSION);
add(TOFU_IDENTITIES_VERSION);
add(CURVE25519_VERSION);
add(ASYMMETRIC_MASTER_SECRET_FIX_VERSION);
add(NO_V1_VERSION);
add(SIGNED_PREKEY_VERSION);
add(NO_DECRYPT_QUEUE_VERSION);
}};
private MasterSecret masterSecret;
@Override
public void onCreate(Bundle bundle) {
super.onCreate(bundle);
this.masterSecret = getIntent().getParcelableExtra("master_secret");
if (needsUpgradeTask()) {
Log.w("DatabaseUpgradeActivity", "Upgrading...");
setContentView(R.layout.database_upgrade_activity);
ProgressBar indeterminateProgress = (ProgressBar)findViewById(R.id.indeterminate_progress);
ProgressBar determinateProgress = (ProgressBar)findViewById(R.id.determinate_progress);
new DatabaseUpgradeTask(indeterminateProgress, determinateProgress)
.execute(VersionTracker.getLastSeenVersion(this));
} else {
VersionTracker.updateLastSeenVersion(this);
ApplicationContext.getInstance(this)
.getJobManager()
.setEncryptionKeys(new EncryptionKeys(ParcelUtil.serialize(masterSecret)));
// DecryptingQueue.schedulePendingDecrypts(DatabaseUpgradeActivity.this, masterSecret);
MessageNotifier.updateNotification(DatabaseUpgradeActivity.this, masterSecret);
startActivity((Intent)getIntent().getParcelableExtra("next_intent"));
finish();
}
}
private boolean needsUpgradeTask() {
int currentVersionCode = Util.getCurrentApkReleaseVersion(this);
int lastSeenVersion = VersionTracker.getLastSeenVersion(this);
Log.w("DatabaseUpgradeActivity", "LastSeenVersion: " + lastSeenVersion);
if (lastSeenVersion >= currentVersionCode)
return false;
for (int version : UPGRADE_VERSIONS) {
Log.w("DatabaseUpgradeActivity", "Comparing: " + version);
if (lastSeenVersion < version)
return true;
}
return false;
}
public static boolean isUpdate(Context context) {
try {
int currentVersionCode = context.getPackageManager().getPackageInfo(context.getPackageName(), 0).versionCode;
int previousVersionCode = VersionTracker.getLastSeenVersion(context);
return previousVersionCode < currentVersionCode;
} catch (PackageManager.NameNotFoundException e) {
throw new AssertionError(e);
}
}
public interface DatabaseUpgradeListener {
public void setProgress(int progress, int total);
}
private class DatabaseUpgradeTask extends AsyncTask<Integer, Double, Void>
implements DatabaseUpgradeListener
{
private final ProgressBar indeterminateProgress;
private final ProgressBar determinateProgress;
public DatabaseUpgradeTask(ProgressBar indeterminateProgress, ProgressBar determinateProgress) {
this.indeterminateProgress = indeterminateProgress;
this.determinateProgress = determinateProgress;
}
@Override
protected Void doInBackground(Integer... params) {
Context context = DatabaseUpgradeActivity.this.getApplicationContext();
Log.w("DatabaseUpgradeActivity", "Running background upgrade..");
DatabaseFactory.getInstance(DatabaseUpgradeActivity.this)
.onApplicationLevelUpgrade(context, masterSecret, params[0], this);
if (params[0] < CURVE25519_VERSION) {
if (!IdentityKeyUtil.hasCurve25519IdentityKeys(context)) {
IdentityKeyUtil.generateCurve25519IdentityKeys(context, masterSecret);
}
}
if (params[0] < NO_V1_VERSION) {
File v1sessions = new File(context.getFilesDir(), "sessions");
if (v1sessions.exists() && v1sessions.isDirectory()) {
File[] contents = v1sessions.listFiles();
if (contents != null) {
for (File session : contents) {
session.delete();
}
}
v1sessions.delete();
}
}
if (params[0] < SIGNED_PREKEY_VERSION) {
ApplicationContext.getInstance(getApplicationContext())
.getJobManager()
.add(new CreateSignedPreKeyJob(context, masterSecret));
}
if (params[0] < NO_DECRYPT_QUEUE_VERSION) {
EncryptingSmsDatabase smsDatabase = DatabaseFactory.getEncryptingSmsDatabase(getApplicationContext());
PushDatabase pushDatabase = DatabaseFactory.getPushDatabase(getApplicationContext());
SmsDatabase.Reader smsReader = null;
Cursor pushReader = null;
SmsMessageRecord record;
try {
smsReader = smsDatabase.getDecryptInProgressMessages(masterSecret);
while ((record = smsReader.getNext()) != null) {
ApplicationContext.getInstance(getApplicationContext())
.getJobManager()
.add(new SmsDecryptJob(getApplicationContext(), record.getId()));
}
} finally {
if (smsReader != null)
smsReader.close();
}
try {
pushReader = pushDatabase.getPending();
while ((pushReader != null && pushReader.moveToNext())) {
ApplicationContext.getInstance(getApplicationContext())
.getJobManager()
.add(new PushDecryptJob(getApplicationContext(),
pushReader.getLong(pushReader.getColumnIndexOrThrow(PushDatabase.ID)),
pushReader.getString(pushReader.getColumnIndexOrThrow(PushDatabase.SOURCE))));
}
} finally {
if (pushReader != null)
pushReader.close();
}
}
return null;
}
@Override
protected void onProgressUpdate(Double... update) {
indeterminateProgress.setVisibility(View.GONE);
determinateProgress.setVisibility(View.VISIBLE);
double scaler = update[0];
determinateProgress.setProgress((int)Math.floor(determinateProgress.getMax() * scaler));
}
@Override
protected void onPostExecute(Void result) {
VersionTracker.updateLastSeenVersion(DatabaseUpgradeActivity.this);
// DecryptingQueue.schedulePendingDecrypts(DatabaseUpgradeActivity.this, masterSecret);
ApplicationContext.getInstance(DatabaseUpgradeActivity.this)
.getJobManager()
.setEncryptionKeys(new EncryptionKeys(ParcelUtil.serialize(masterSecret)));
MessageNotifier.updateNotification(DatabaseUpgradeActivity.this, masterSecret);
startActivity((Intent)getIntent().getParcelableExtra("next_intent"));
finish();
}
@Override
public void setProgress(int progress, int total) {
publishProgress(((double)progress / (double)total));
}
}
}