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647 lines
25 KiB
647 lines
25 KiB
package org.purplei2p.i2pd; |
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import java.io.File; |
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import java.io.FileReader; |
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import java.io.FileWriter; |
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import java.io.BufferedReader; |
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import java.io.FileOutputStream; |
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import java.io.IOException; |
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import java.io.InputStream; |
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import java.io.OutputStream; |
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import java.io.PrintWriter; |
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import java.io.StringWriter; |
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import java.util.Timer; |
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import java.util.TimerTask; |
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import android.Manifest; |
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import android.annotation.SuppressLint; |
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import android.app.Activity; |
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import android.app.AlertDialog; |
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import android.content.ActivityNotFoundException; |
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import android.content.ComponentName; |
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import android.content.Context; |
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import android.content.Intent; |
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import android.content.ServiceConnection; |
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import android.content.SharedPreferences; |
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import android.content.res.AssetManager; |
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import android.content.pm.PackageManager; |
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import android.net.Uri; |
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import android.os.Bundle; |
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import android.os.Build; |
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import android.os.Environment; |
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import android.os.IBinder; |
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import android.os.PowerManager; |
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import android.preference.PreferenceManager; |
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import android.provider.Settings; |
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import android.util.Log; |
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import android.view.Menu; |
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import android.view.MenuItem; |
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import android.widget.TextView; |
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import android.widget.Toast; |
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import androidx.annotation.NonNull; |
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import androidx.core.app.ActivityCompat; |
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import androidx.core.content.ContextCompat; |
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// For future package update checking |
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import android.webkit.WebSettings; |
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import android.webkit.WebView; |
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import android.webkit.WebViewClient; |
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import static android.provider.Settings.ACTION_IGNORE_BATTERY_OPTIMIZATION_SETTINGS; |
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public class I2PDActivity extends Activity { |
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private WebView webView; |
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private static final String TAG = "i2pdActvt"; |
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private static final int MY_PERMISSION_REQUEST_WRITE_EXTERNAL_STORAGE = 1; |
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public static final int GRACEFUL_DELAY_MILLIS = 10 * 60 * 1000; |
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public static final String PACKAGE_URI_SCHEME = "package:"; |
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private TextView textView; |
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private boolean assetsCopied; |
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private String i2pdpath = Environment.getExternalStorageDirectory().getAbsolutePath() + "/i2pd/"; |
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//private ConfigParser parser = new ConfigParser(i2pdpath); // TODO: |
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private static final DaemonSingleton daemon = DaemonSingleton.getInstance(); |
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private final DaemonSingleton.StateUpdateListener daemonStateUpdatedListener = new DaemonSingleton.StateUpdateListener() { |
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@Override |
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public void daemonStateUpdate() { |
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processAssets(); |
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runOnUiThread(() -> { |
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try { |
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if (textView == null) |
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return; |
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Throwable tr = daemon.getLastThrowable(); |
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if (tr != null) { |
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textView.setText(throwableToString(tr)); |
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return; |
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} |
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DaemonSingleton.State state = daemon.getState(); |
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String startResultStr = DaemonSingleton.State.startFailed.equals(state) ? String.format(": %s", daemon.getDaemonStartResult()) : ""; |
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String graceStr = DaemonSingleton.State.gracefulShutdownInProgress.equals(state) ? String.format(": %s %s", formatGraceTimeRemaining(), getText(R.string.remaining)) : ""; |
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textView.setText(String.format("%s%s%s", getText(state.getStatusStringResourceId()), startResultStr, graceStr)); |
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} catch (Throwable tr) { |
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Log.e(TAG, "error ignored", tr); |
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} |
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}); |
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} |
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}; |
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private static volatile long graceStartedMillis; |
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private static final Object graceStartedMillis_LOCK = new Object(); |
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private Menu optionsMenu; |
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private static String formatGraceTimeRemaining() { |
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long remainingSeconds; |
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synchronized (graceStartedMillis_LOCK) { |
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remainingSeconds = Math.round(Math.max(0, graceStartedMillis + GRACEFUL_DELAY_MILLIS - System.currentTimeMillis()) / 1000.0D); |
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} |
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long remainingMinutes = (long) Math.floor(remainingSeconds / 60.0D); |
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long remSec = remainingSeconds - remainingMinutes * 60; |
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return remainingMinutes + ":" + (remSec / 10) + remSec % 10; |
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} |
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@Override |
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public void onCreate(Bundle savedInstanceState) { |
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Log.i(TAG, "onCreate"); |
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super.onCreate(savedInstanceState); |
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textView = new TextView(this); |
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setContentView(textView); |
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daemon.addStateChangeListener(daemonStateUpdatedListener); |
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daemonStateUpdatedListener.daemonStateUpdate(); |
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// request permissions |
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if (Build.VERSION.SDK_INT >= 23) { |
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if (ContextCompat.checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) { |
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ActivityCompat.requestPermissions(this, |
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new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE}, |
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MY_PERMISSION_REQUEST_WRITE_EXTERNAL_STORAGE); |
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} |
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} |
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// set the app be foreground |
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doBindService(); |
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final Timer gracefulQuitTimer = getGracefulQuitTimer(); |
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if (gracefulQuitTimer != null) { |
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long gracefulStopAtMillis; |
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synchronized (graceStartedMillis_LOCK) { |
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gracefulStopAtMillis = graceStartedMillis + GRACEFUL_DELAY_MILLIS; |
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} |
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rescheduleGraceStop(gracefulQuitTimer, gracefulStopAtMillis); |
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} |
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openBatteryOptimizationDialogIfNeeded(); |
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} |
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@Override |
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protected void onDestroy() { |
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super.onDestroy(); |
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textView = null; |
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daemon.removeStateChangeListener(daemonStateUpdatedListener); |
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//cancelGracefulStop0(); |
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try { |
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doUnbindService(); |
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} catch (Throwable tr) { |
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Log.e(TAG, "", tr); |
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} |
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} |
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@Override |
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public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) { |
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if (requestCode == MY_PERMISSION_REQUEST_WRITE_EXTERNAL_STORAGE) { |
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if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) |
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Log.e(TAG, "WR_EXT_STORAGE perm granted"); |
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else { |
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Log.e(TAG, "WR_EXT_STORAGE perm declined, stopping i2pd"); |
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i2pdStop(); |
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//TODO must work w/o this perm, ask orignal |
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} |
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} |
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} |
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private void cancelGracefulStop0() { |
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Timer gracefulQuitTimer = getGracefulQuitTimer(); |
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if (gracefulQuitTimer != null) { |
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gracefulQuitTimer.cancel(); |
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setGracefulQuitTimer(null); |
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} |
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} |
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private CharSequence throwableToString(Throwable tr) { |
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StringWriter sw = new StringWriter(8192); |
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PrintWriter pw = new PrintWriter(sw); |
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tr.printStackTrace(pw); |
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pw.close(); |
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return sw.toString(); |
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} |
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// private LocalService mBoundService; |
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private ServiceConnection mConnection = new ServiceConnection() { |
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public void onServiceConnected(ComponentName className, IBinder service) { |
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// This is called when the connection with the service has been |
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// established, giving us the service object we can use to |
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// interact with the service. Because we have bound to a explicit |
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// service that we know is running in our own process, we can |
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// cast its IBinder to a concrete class and directly access it. |
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// mBoundService = ((LocalService.LocalBinder)service).getService(); |
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// Tell the user about this for our demo. |
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// Toast.makeText(Binding.this, R.string.local_service_connected, |
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// Toast.LENGTH_SHORT).show(); |
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} |
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public void onServiceDisconnected(ComponentName className) { |
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// This is called when the connection with the service has been |
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// unexpectedly disconnected -- that is, its process crashed. |
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// Because it is running in our same process, we should never |
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// see this happen. |
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// mBoundService = null; |
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// Toast.makeText(Binding.this, R.string.local_service_disconnected, |
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// Toast.LENGTH_SHORT).show(); |
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} |
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}; |
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private static volatile boolean mIsBound; |
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private void doBindService() { |
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synchronized (I2PDActivity.class) { |
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if (mIsBound) |
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return; |
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// Establish a connection with the service. We use an explicit |
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// class name because we want a specific service implementation that |
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// we know will be running in our own process (and thus won't be |
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// supporting component replacement by other applications). |
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bindService(new Intent(this, ForegroundService.class), mConnection, Context.BIND_AUTO_CREATE); |
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mIsBound = true; |
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} |
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} |
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private void doUnbindService() { |
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synchronized (I2PDActivity.class) { |
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if (mIsBound) { |
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// Detach our existing connection. |
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unbindService(mConnection); |
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mIsBound = false; |
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} |
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} |
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} |
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@Override |
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public boolean onCreateOptionsMenu(Menu menu) { |
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// Inflate the menu; this adds items to the action bar if it is present. |
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getMenuInflater().inflate(R.menu.options_main, menu); |
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menu.findItem(R.id.action_battery_otimizations).setVisible(isBatteryOptimizationsOpenOsDialogApiAvailable()); |
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this.optionsMenu = menu; |
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return true; |
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} |
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private boolean isBatteryOptimizationsOpenOsDialogApiAvailable() { |
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return android.os.Build.VERSION.SDK_INT >= 23; |
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} |
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@Override |
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public boolean onOptionsItemSelected(@NonNull MenuItem item) { |
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// Handle action bar item clicks here. The action bar will |
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// automatically handle clicks on the Home/Up button, so long |
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// as you specify a parent activity in AndroidManifest.xml. |
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int id = item.getItemId(); |
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switch (id) { |
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case R.id.action_stop: |
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i2pdStop(); |
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return true; |
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case R.id.action_graceful_stop: |
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synchronized (graceStartedMillis_LOCK) { |
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if (getGracefulQuitTimer() != null) |
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cancelGracefulStop(); |
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else |
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i2pdGracefulStop(); |
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} |
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return true; |
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case R.id.action_battery_otimizations: |
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onActionBatteryOptimizations(); |
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return true; |
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case R.id.action_reload_tunnels_config: |
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onReloadTunnelsConfig(); |
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return true; |
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case R.id.action_start_webview: |
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setContentView(R.layout.webview); |
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this.webView = (WebView) findViewById(R.id.webview1); |
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this.webView.setWebViewClient(new WebViewClient()); |
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WebSettings webSettings = this.webView.getSettings(); |
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webSettings.setBuiltInZoomControls(true); |
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webSettings.setJavaScriptEnabled(false); |
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this.webView.loadUrl("http://127.0.0.1:7070"); // TODO: instead 7070 I2Pd....HttpPort |
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break; |
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} |
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return super.onOptionsItemSelected(item); |
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} |
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private void onActionBatteryOptimizations() { |
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if (isBatteryOptimizationsOpenOsDialogApiAvailable()) { |
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try { |
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startActivity(new Intent(ACTION_IGNORE_BATTERY_OPTIMIZATION_SETTINGS)); |
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} catch (ActivityNotFoundException e) { |
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Log.e(TAG, "BATT_OPTIM_DIALOG_ActvtNotFound", e); |
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Toast.makeText(this, R.string.os_version_does_not_support_battery_optimizations_show_os_dialog_api, Toast.LENGTH_SHORT).show(); |
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} |
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} |
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} |
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private void onReloadTunnelsConfig() { |
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Log.d(TAG, "reloading tunnels"); |
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daemon.reloadTunnelsConfigs(); |
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Toast.makeText(this, R.string.tunnels_reloading, Toast.LENGTH_SHORT).show(); |
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} |
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private void i2pdStop() { |
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cancelGracefulStop0(); |
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new Thread(() -> { |
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Log.d(TAG, "stopping"); |
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try { |
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daemon.stopDaemon(); |
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} catch (Throwable tr) { |
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Log.e(TAG, "", tr); |
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} |
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quit(); //TODO make menu items for starting i2pd. On my Android, I need to reboot the OS to restart i2pd. |
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}, "stop").start(); |
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} |
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private static volatile Timer gracefulQuitTimer; |
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private void i2pdGracefulStop() { |
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if (daemon.getState() == DaemonSingleton.State.stopped) { |
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Toast.makeText(this, R.string.already_stopped, Toast.LENGTH_SHORT).show(); |
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return; |
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} |
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if (getGracefulQuitTimer() != null) { |
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Toast.makeText(this, R.string.graceful_stop_is_already_in_progress, Toast.LENGTH_SHORT).show(); |
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return; |
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} |
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Toast.makeText(this, R.string.graceful_stop_is_in_progress, Toast.LENGTH_SHORT).show(); |
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new Thread(() -> { |
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try { |
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Log.d(TAG, "graceful stopping"); |
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if (daemon.isStartedOkay()) { |
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daemon.stopAcceptingTunnels(); |
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long gracefulStopAtMillis; |
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synchronized (graceStartedMillis_LOCK) { |
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graceStartedMillis = System.currentTimeMillis(); |
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gracefulStopAtMillis = graceStartedMillis + GRACEFUL_DELAY_MILLIS; |
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} |
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rescheduleGraceStop(null, gracefulStopAtMillis); |
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} else |
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i2pdStop(); |
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} catch (Throwable tr) { |
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Log.e(TAG, "", tr); |
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} |
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}, "gracInit").start(); |
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} |
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private void cancelGracefulStop() { |
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cancelGracefulStop0(); |
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new Thread(() -> { |
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try { |
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Log.d(TAG, "canceling graceful stop"); |
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if (daemon.isStartedOkay()) { |
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daemon.startAcceptingTunnels(); |
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runOnUiThread(() -> Toast.makeText(this, R.string.shutdown_canceled, Toast.LENGTH_SHORT).show()); |
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} else |
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i2pdStop(); |
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} catch (Throwable tr) { |
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Log.e(TAG, "", tr); |
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} |
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}, "gracCancel").start(); |
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} |
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private void rescheduleGraceStop(Timer gracefulQuitTimerOld, long gracefulStopAtMillis) { |
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if (gracefulQuitTimerOld != null) |
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gracefulQuitTimerOld.cancel(); |
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if (daemon.GetTransitTunnelsCount() <= 0) { // no tunnels left |
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Log.d(TAG, "no transit tunnels left, stopping"); |
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i2pdStop(); |
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} |
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final Timer gracefulQuitTimer = new Timer(true); |
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setGracefulQuitTimer(gracefulQuitTimer); |
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gracefulQuitTimer.schedule(new TimerTask() { |
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@Override |
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public void run() { |
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i2pdStop(); |
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} |
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}, Math.max(0, gracefulStopAtMillis - System.currentTimeMillis())); |
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final TimerTask tickerTask = new TimerTask() { |
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@Override |
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public void run() { |
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daemonStateUpdatedListener.daemonStateUpdate(); |
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} |
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}; |
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gracefulQuitTimer.scheduleAtFixedRate(tickerTask, 0/*start delay*/, 1000/*millis period*/); |
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} |
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private static Timer getGracefulQuitTimer() { |
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return gracefulQuitTimer; |
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} |
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private void setGracefulQuitTimer(Timer gracefulQuitTimer) { |
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I2PDActivity.gracefulQuitTimer = gracefulQuitTimer; |
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runOnUiThread(() -> { |
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Menu menu = optionsMenu; |
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if (menu != null) { |
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MenuItem item = menu.findItem(R.id.action_graceful_stop); |
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if (item != null) { |
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synchronized (graceStartedMillis_LOCK) { |
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item.setTitle(getGracefulQuitTimer() != null ? R.string.action_cancel_graceful_stop : R.string.action_graceful_stop); |
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} |
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} |
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} |
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}); |
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} |
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/** |
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* Copy the asset at the specified path to this app's data directory. If the |
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* asset is a directory, its contents are also copied. |
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* |
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* @param path Path to asset, relative to app's assets directory. |
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*/ |
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private void copyAsset(String path) { |
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AssetManager manager = getAssets(); |
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// If we have a directory, we make it and recurse. If a file, we copy its |
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// contents. |
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try { |
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String[] contents = manager.list(path); |
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// The documentation suggests that list throws an IOException, but doesn't |
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// say under what conditions. It'd be nice if it did so when the path was |
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// to a file. That doesn't appear to be the case. If the returned array is |
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// null or has 0 length, we assume the path is to a file. This means empty |
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// directories will get turned into files. |
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if (contents == null || contents.length == 0) { |
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copyFileAsset(path); |
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return; |
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} |
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// Make the directory. |
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File dir = new File(i2pdpath, path); |
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boolean result = dir.mkdirs(); |
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Log.d(TAG, "dir.mkdirs() returned " + result); |
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// Recurse on the contents. |
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for (String entry : contents) { |
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copyAsset(path + '/' + entry); |
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} |
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} catch (IOException e) { |
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Log.e(TAG, "ex ignored for path='" + path + "'", e); |
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} |
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} |
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/** |
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* Copy the asset file specified by path to app's data directory. Assumes |
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* parent directories have already been created. |
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* |
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* @param path Path to asset, relative to app's assets directory. |
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*/ |
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private void copyFileAsset(String path) { |
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File file = new File(i2pdpath, path); |
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if (!file.exists()) { |
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try { |
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try (InputStream in = getAssets().open(path)) { |
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try (OutputStream out = new FileOutputStream(file)) { |
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byte[] buffer = new byte[1024]; |
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int read = in.read(buffer); |
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while (read != -1) { |
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out.write(buffer, 0, read); |
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read = in.read(buffer); |
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} |
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} |
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} |
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} catch (IOException e) { |
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Log.e(TAG, "", e); |
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} |
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} |
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} |
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private void deleteRecursive(File fileOrDirectory) { |
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if (fileOrDirectory.isDirectory()) { |
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File[] files = fileOrDirectory.listFiles(); |
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if (files != null) { |
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for (File child : files) { |
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deleteRecursive(child); |
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} |
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} |
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} |
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boolean deleteResult = fileOrDirectory.delete(); |
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if (!deleteResult) |
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Log.e(TAG, "fileOrDirectory.delete() returned " + deleteResult + ", absolute path='" + fileOrDirectory.getAbsolutePath() + "'"); |
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} |
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private void processAssets() { |
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if (!assetsCopied) { |
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try { |
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assetsCopied = true; // prevent from running on every state update |
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File holderFile = new File(i2pdpath, "assets.ready"); |
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String versionName = BuildConfig.VERSION_NAME; // here will be app version, like 2.XX.XX |
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StringBuilder text = new StringBuilder(); |
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if (holderFile.exists()) { |
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try { // if holder file exists, read assets version string |
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FileReader fileReader = new FileReader(holderFile); |
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try { |
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BufferedReader br = new BufferedReader(fileReader); |
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try { |
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String line; |
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while ((line = br.readLine()) != null) { |
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text.append(line); |
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} |
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} finally { |
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try { |
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br.close(); |
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} catch (IOException e) { |
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Log.e(TAG, "", e); |
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} |
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} |
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} finally { |
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try { |
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fileReader.close(); |
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} catch (IOException e) { |
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Log.e(TAG, "", e); |
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} |
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} |
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} catch (IOException e) { |
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Log.e(TAG, "", e); |
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} |
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} |
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// if version differs from current app version or null, try to delete certificates folder |
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if (!text.toString().contains(versionName)) |
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try { |
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boolean deleteResult = holderFile.delete(); |
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if (!deleteResult) |
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Log.e(TAG, "holderFile.delete() returned " + deleteResult + ", absolute path='" + holderFile.getAbsolutePath() + "'"); |
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File certPath = new File(i2pdpath, "certificates"); |
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deleteRecursive(certPath); |
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} catch (Throwable tr) { |
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Log.e(TAG, "", tr); |
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} |
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// copy assets. If processed file exists, it won't be overwritten |
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copyAsset("addressbook"); |
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copyAsset("certificates"); |
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copyAsset("tunnels.d"); |
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copyAsset("i2pd.conf"); |
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copyAsset("subscriptions.txt"); |
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copyAsset("tunnels.conf"); |
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// update holder file about successful copying |
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FileWriter writer = new FileWriter(holderFile); |
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try { |
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writer.append(versionName); |
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} finally { |
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try { |
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writer.close(); |
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} catch (IOException e) { |
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Log.e(TAG, "on writer close", e); |
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} |
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} |
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} catch (Throwable tr) { |
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Log.e(TAG, "on assets copying", tr); |
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} |
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} |
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} |
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@SuppressLint("BatteryLife") |
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private void openBatteryOptimizationDialogIfNeeded() { |
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boolean questionEnabled = getPreferences().getBoolean(getBatteryOptimizationPreferenceKey(), true); |
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Log.i(TAG, "BATT_OPTIM_questionEnabled==" + questionEnabled); |
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if (!isKnownIgnoringBatteryOptimizations() |
|
&& android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.M |
|
&& questionEnabled) { |
|
AlertDialog.Builder builder = new AlertDialog.Builder(this); |
|
builder.setTitle(R.string.battery_optimizations_enabled); |
|
builder.setMessage(R.string.battery_optimizations_enabled_dialog); |
|
builder.setPositiveButton(R.string.continue_str, (dialog, which) -> { |
|
try { |
|
startActivity(new Intent(Settings.ACTION_REQUEST_IGNORE_BATTERY_OPTIMIZATIONS, Uri.parse(PACKAGE_URI_SCHEME + getPackageName()))); |
|
} catch (ActivityNotFoundException e) { |
|
Log.e(TAG, "BATT_OPTIM_ActvtNotFound", e); |
|
Toast.makeText(this, R.string.device_does_not_support_disabling_battery_optimizations, Toast.LENGTH_SHORT).show(); |
|
} |
|
}); |
|
builder.setOnDismissListener(dialog -> setNeverAskForBatteryOptimizationsAgain()); |
|
final AlertDialog dialog = builder.create(); |
|
dialog.setCanceledOnTouchOutside(false); |
|
dialog.show(); |
|
} |
|
} |
|
|
|
private void setNeverAskForBatteryOptimizationsAgain() { |
|
getPreferences().edit().putBoolean(getBatteryOptimizationPreferenceKey(), false).apply(); |
|
} |
|
|
|
protected boolean isKnownIgnoringBatteryOptimizations() { |
|
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) { |
|
final PowerManager pm = (PowerManager) getSystemService(POWER_SERVICE); |
|
if (pm == null) { |
|
Log.i(TAG, "BATT_OPTIM: POWER_SERVICE==null"); |
|
return false; |
|
} |
|
boolean ignoring = pm.isIgnoringBatteryOptimizations(getPackageName()); |
|
Log.i(TAG, "BATT_OPTIM: ignoring==" + ignoring); |
|
return ignoring; |
|
} else { |
|
Log.i(TAG, "BATT_OPTIM: old sdk version==" + Build.VERSION.SDK_INT); |
|
return false; |
|
} |
|
} |
|
|
|
protected SharedPreferences getPreferences() { |
|
return PreferenceManager.getDefaultSharedPreferences(getApplicationContext()); |
|
} |
|
|
|
private String getBatteryOptimizationPreferenceKey() { |
|
@SuppressLint("HardwareIds") String device = Settings.Secure.getString(getContentResolver(), Settings.Secure.ANDROID_ID); |
|
return "show_battery_optimization" + (device == null ? "" : device); |
|
} |
|
|
|
private void quit() { |
|
try { |
|
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) { |
|
finishAndRemoveTask(); |
|
} else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) { |
|
finishAffinity(); |
|
} else { |
|
//moveTaskToBack(true); |
|
finish(); |
|
} |
|
} catch (Throwable tr) { |
|
Log.e(TAG, "", tr); |
|
} |
|
try { |
|
daemon.stopDaemon(); |
|
} catch (Throwable tr) { |
|
Log.e(TAG, "", tr); |
|
} |
|
System.exit(0); |
|
} |
|
}
|
|
|