/* Copyright (c) 2009, Nathan Freitas, Orbot / The Guardian Project - http://openideals.com/guardian */
/* See LICENSE for licensing information */
package org.torproject.android;
import java.util.Arrays;
import java.util.Comparator;
import java.util.StringTokenizer;
import org.torproject.android.service.ITorService;
import org.torproject.android.service.ITorServiceCallback;
import org.torproject.android.service.TorServiceUtils;
import org.torproject.android.service.TorTransProxy;
import org.torproject.android.service.TorServiceConstants;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.ProgressDialog;
import android.content.ComponentName;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.ServiceConnection;
import android.content.SharedPreferences;
import android.net.Uri;
import android.os.Bundle;
import android.os.Handler;
import android.os.IBinder;
import android.os.Message;
import android.os.RemoteException;
import android.preference.PreferenceManager;
import android.util.Log;
import android.view.KeyEvent;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.view.View.OnClickListener;
import android.widget.ArrayAdapter;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.ImageView;
import android.widget.ListAdapter;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;
import android.widget.CompoundButton.OnCheckedChangeListener;
public class Orbot extends Activity implements OnClickListener, TorConstants, OnCheckedChangeListener
{
/* Useful UI bits */
private TextView txtMessageLog = null; //the full screen log view of Tor control messages
private TextView lblStatus = null; //the main text display widget
private ImageView imgStatus = null; //the main touchable image for activating Orbot
private ProgressDialog progressDialog;
private ListView listApps;
private boolean showingSettings = false;
/* Some tracking bits */
private int torStatus = STATUS_READY; //latest status reported from the tor service
private int currentView = 0; //the currently displayed UI view
private StringBuffer logBuffer = new StringBuffer(); //the output of the service log messages
/* Tor Service interaction */
/* The primary interface we will be calling on the service. */
ITorService mService = null;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setTheme(android.R.style.Theme_Black_NoTitleBar);
//setTitle(getString(R.string.app_name) + ' ' + getString(R.string.app_version));
showMain();
}
/*
* Create the UI Options Menu (non-Javadoc)
* @see android.app.Activity#onCreateOptionsMenu(android.view.Menu)
*/
public boolean onCreateOptionsMenu(Menu menu) {
super.onCreateOptionsMenu(menu);
MenuItem mItem = null;
mItem = menu.add(0, 1, Menu.NONE, getString(R.string.menu_home));
mItem.setIcon(R.drawable.ic_menu_home);
mItem = menu.add(0, 2, Menu.NONE, getString(R.string.menu_browse));
mItem.setIcon(R.drawable.ic_menu_goto);
mItem = menu.add(0, 3, Menu.NONE, getString(R.string.menu_info));
mItem.setIcon(R.drawable.ic_menu_about);
mItem = menu.add(0, 4, Menu.NONE, getString(R.string.menu_settings));
mItem.setIcon(R.drawable.ic_menu_register);
mItem = menu.add(0, 5, Menu.NONE, getString(R.string.menu_apps));
mItem.setIcon(R.drawable.ic_menu_register);
if (!TorServiceUtils.hasRoot())
mItem.setEnabled(false);
mItem = menu.add(0,6, Menu.NONE, getString(R.string.menu_log));
mItem.setIcon(R.drawable.ic_menu_reports);
return true;
}
/* When a menu item is selected launch the appropriate view or activity
* (non-Javadoc)
* @see android.app.Activity#onMenuItemSelected(int, android.view.MenuItem)
*/
@Override
public boolean onMenuItemSelected(int featureId, MenuItem item) {
super.onMenuItemSelected(featureId, item);
if (item.getItemId() == 1)
{
this.showMain();
}
else if (item.getItemId() == 4)
{
this.showSettings();
}
else if (item.getItemId() == 6)
{
this.showMessageLog();
}
else if (item.getItemId() == 2)
{
openBrowser(URL_TOR_CHECK);
}
else if (item.getItemId() == 3)
{
showHelp();
}
else if (item.getItemId() == 5)
{
showApps();
}
return true;
}
/* Return to the main view when the back key is pressed
* (non-Javadoc)
* @see android.app.Activity#onKeyDown(int, android.view.KeyEvent)
*/
public boolean onKeyDown(int keyCode, KeyEvent event){
if(keyCode==KeyEvent.KEYCODE_BACK){
if(currentView != R.layout.layout_main){
showMain ();
return true;
}
else{
return super.onKeyDown(keyCode, event);
}
}
return super.onKeyDown(keyCode, event);
}
/* (non-Javadoc)
* @see android.app.Activity#onPause()
*/
@Override
protected void onPause() {
super.onPause();
}
/* (non-Javadoc)
* @see android.app.Activity#onResume()
*/
@Override
protected void onResume() {
super.onResume();
updateStatus (""); //update the status, which checks the service status
if (showingSettings)
{
showingSettings = false;
processSettings();
}
}
/* (non-Javadoc)
* @see android.app.Activity#onStart()
*/
@Override
protected void onStart() {
super.onStart();
//if Tor binary is not running, then start the service up
startService(new Intent(INTENT_TOR_SERVICE));
bindService ();
updateStatus ("");
}
/* (non-Javadoc)
* @see android.app.Activity#onStop()
*/
@Override
protected void onStop() {
super.onStop();
TorServiceUtils.saveAppSettings(this);
unbindService();
}
/*
* Show the main form UI
*/
private void showMain ()
{
bindService(); //connect the UI activity to the remote service
if (currentView == R.layout.layout_apps)
{
if (hasRoot)
{
TorServiceUtils.saveAppSettings(this);
if (enableTransparentProxy)
{
TorTransProxy.purgeNatIptables();
TorTransProxy.setDNSProxying();
TorTransProxy.setTransparentProxying(this, TorServiceUtils.getApps(this));
}
}
}
currentView = R.layout.layout_main;
setContentView(currentView);
//add touch listeners for the image and the text label
findViewById(R.id.imgStatus).setOnClickListener(this);
findViewById(R.id.lblStatus).setOnClickListener(this);
lblStatus = (TextView)findViewById(R.id.lblStatus);
imgStatus = (ImageView)findViewById(R.id.imgStatus);
updateStatus("");
}
/*
* Launch the system activity for Uri viewing with the provided url
*/
private void openBrowser(String url)
{
startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse(url)));
}
private void loadApps ()
{
final TorifiedApp[] apps = TorServiceUtils.getApps(this);
Arrays.sort(apps, new Comparator<TorifiedApp>() {
@Override
public int compare(TorifiedApp o1, TorifiedApp o2) {
if (o1.isTorified() == o2.isTorified()) return o1.getName().compareTo(o2.getName());
if (o1.isTorified()) return -1;
return 1;
}
});
final LayoutInflater inflater = getLayoutInflater();
final ListAdapter adapter = new ArrayAdapter<TorifiedApp>(this,R.layout.layout_apps_item,R.id.itemtext,apps) {
@Override
public View getView(int position, View convertView, ViewGroup parent) {
ListEntry entry;
if (convertView == null) {
// Inflate a new view
convertView = inflater.inflate(R.layout.layout_apps_item, parent, false);
entry = new ListEntry();
entry.box = (CheckBox) convertView.findViewById(R.id.itemcheck);
entry.text = (TextView) convertView.findViewById(R.id.itemtext);
convertView.setTag(entry);
entry.box.setOnCheckedChangeListener(Orbot.this);
} else {
// Convert an existing view
entry = (ListEntry) convertView.getTag();
}
final TorifiedApp app = apps[position];
entry.text.setText(app.getName());
final CheckBox box = entry.box;
box.setTag(app);
box.setChecked(app.isTorified());
return convertView;
}
};
this.listApps.setAdapter(adapter);
}
/**
* Called an application is check/unchecked
*/
@Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
final TorifiedApp app = (TorifiedApp) buttonView.getTag();
if (app != null) {
app.setTorified(isChecked);
}
TorServiceUtils.saveAppSettings(this);
}
private static class ListEntry {
private CheckBox box;
private TextView text;
}
/*
* Show the about view - a popup dialog
*/
private void showAbout ()
{
LayoutInflater li = LayoutInflater.from(this);
View view = li.inflate(R.layout.layout_about, null);
TextView versionName = (TextView)view.findViewById(R.id.versionName);
versionName.setText(R.string.app_version);
new AlertDialog.Builder(this)
.setTitle(getString(R.string.menu_info))
.setView(view)
.setNeutralButton(getString(R.string.button_help), new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int whichButton) {
showHelp();
}
})
.setNegativeButton(getString(R.string.button_close), new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int whichButton) {
// Log.d(TAG, "Close pressed");
}
})
.show();
}
/*
* Show the help view - a popup dialog
*/
private void showHelp ()
{
LayoutInflater li = LayoutInflater.from(this);
View view = li.inflate(R.layout.layout_help, null);
new AlertDialog.Builder(this)
.setTitle(getString(R.string.menu_info))
.setView(view)
.setNeutralButton(getString(R.string.button_about), new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int whichButton) {
showAbout();
}
})
.setNegativeButton(getString(R.string.button_close), new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int whichButton) {
// Log.d(TAG, "Close pressed");
}
})
.show();
}
private void showApps ()
{
currentView = R.layout.layout_apps;
setContentView(currentView);
listApps = (ListView)findViewById(R.id.applistview);
loadApps();
}
/*
* Show the message log UI
*/
private void showMessageLog ()
{
currentView = R.layout.layout_log;
setContentView(currentView);
txtMessageLog = (TextView)findViewById(R.id.messageLog);
txtMessageLog.setText(logBuffer.toString());
}
/*
* Load the basic settings application to display torrc
*/
private void showSettings ()
{
showingSettings = true;
startActivity(new Intent(this, SettingsPreferences.class));
}
/*
* Read in the Preferences and write then to the .torrc file
*/
private void processSettings ()
{
StringBuffer torrcText = new StringBuffer();
torrcText.append(TorConstants.TORRC_DEFAULT);
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
boolean useBridges = prefs.getBoolean(PREF_BRIDGES_ENABLED, false);
boolean autoUpdateBridges = prefs.getBoolean(PREF_BRIDGES_UPDATED, false);
enableTransparentProxy = prefs.getBoolean(PREF_TRANSPARENT, false);
if (hasRoot)
{
if (enableTransparentProxy)
{
TorTransProxy.setDNSProxying();
TorTransProxy.setTransparentProxying(this, TorServiceUtils.getApps(this));
}
else
{
TorTransProxy.purgeNatIptables();
}
}
String bridgeList = prefs.getString(PREF_BRIDGES_LIST,"");
if (useBridges)
{
torrcText.append("UseBridges 1");
torrcText.append('\n');
torrcText.append("UpdateBridgesFromAuthority ");
if (autoUpdateBridges)
torrcText.append("1");
else
torrcText.append("0");
torrcText.append('\n');
String bridgeDelim = "\n";
if (bridgeList.indexOf(",") != -1)
{
bridgeDelim = ",";
}
StringTokenizer st = new StringTokenizer(bridgeList,bridgeDelim);
while (st.hasMoreTokens())
{
torrcText.append("bridge ");
torrcText.append(st.nextToken());
torrcText.append('\n');
}
}
else
{
torrcText.append("UseBridges 0");
}
Utils.saveTextFile(TorServiceConstants.TORRC_INSTALL_PATH, torrcText.toString());
}
/*
* Set the state of the running/not running graphic and label
*/
public void updateStatus (String torServiceMsg)
{
try
{
if (mService != null)
torStatus = mService.getStatus();
if (imgStatus != null)
{
if (torStatus == STATUS_ON)
{
imgStatus.setImageResource(R.drawable.toron);
lblStatus.setText(getString(R.string.status_activated));
if (progressDialog != null)
{
progressDialog.cancel();
progressDialog.hide();
progressDialog = null;
}
if (torServiceMsg != null && torServiceMsg.length()>0)
Toast.makeText(this, torServiceMsg, Toast.LENGTH_LONG).show();
}
else if (torStatus == STATUS_CONNECTING)
{
imgStatus.setImageResource(R.drawable.torstarting);
lblStatus.setText(getString(R.string.status_starting_up));
if (progressDialog == null)
{
progressDialog = new ProgressDialog(this);
progressDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
progressDialog.setCancelable(true);
progressDialog.setMessage(getString(R.string.status_starting_up));
progressDialog.show();
progressDialog.setProgress(10);
}
progressDialog.setMessage(torServiceMsg);
int idx = torServiceMsg.indexOf("%");
if (idx != -1)
{
String pComp = torServiceMsg.substring(idx-2,idx).trim();
int ipComp = Integer.parseInt(pComp);
progressDialog.setProgress(ipComp);
}
}
else if (torStatus == STATUS_OFF)
{
imgStatus.setImageResource(R.drawable.torstopping);
lblStatus.setText(getString(R.string.status_shutting_down));
if (torServiceMsg != null && torServiceMsg.length()>0)
Toast.makeText(this, torServiceMsg, Toast.LENGTH_LONG).show();
}
else
{
if (torServiceMsg != null && torServiceMsg.length()>0)
Toast.makeText(this, torServiceMsg, Toast.LENGTH_LONG).show();
if (progressDialog != null)
{
progressDialog.cancel();
progressDialog.hide();
progressDialog = null;
}
imgStatus.setImageResource(R.drawable.toroff);
lblStatus.setText(getString(R.string.status_disabled));
}
}
}
catch (RemoteException e)
{
e.printStackTrace();
}
}
/*
* (non-Javadoc)
* @see android.view.View.OnClickListener#onClick(android.view.View)
*/
public void onClick(View view) {
// the start button
if (view.getId()==R.id.imgStatus || view.getId()==R.id.lblStatus)
{
try
{
if (mService == null)
{
}
else if (mService.getStatus() == STATUS_READY)
{
processSettings();
mService.setProfile(PROFILE_ON);
if (hasRoot && enableTransparentProxy)
{
TorTransProxy.setDNSProxying();
TorTransProxy.setTransparentProxying(this,TorServiceUtils.getApps(this));
}
}
else
{
mService.setProfile(PROFILE_ONDEMAND);
if (hasRoot && enableTransparentProxy)
{
TorTransProxy.purgeNatIptables();
//TorRoot.setDNSProxying(false);
//TorRoot.setTransparentProxying(this,false);
}
}
}
catch (Exception e)
{
Log.i(TAG,"error onclick",e);
}
}
}
/**
* This implementation is used to receive callbacks from the remote
* service.
*/
private ITorServiceCallback mCallback = new ITorServiceCallback.Stub() {
/**
* This is called by the remote service regularly to tell us about
* new values. Note that IPC calls are dispatched through a thread
* pool running in each process, so the code executing here will
* NOT be running in our main thread like most other things -- so,
* to update the UI, we need to use a Handler to hop over there.
*/
public void statusChanged(String value) {
Message msg = mHandler.obtainMessage(BUMP_MSG);
msg.getData().putString(HANDLER_TOR_MSG, value);
mHandler.sendMessage(msg);
}
};
private static final int BUMP_MSG = 1;
private Handler mHandler = new Handler() {
@Override public void handleMessage(Message msg) {
switch (msg.what) {
case BUMP_MSG:
String torServiceMsg = (String)msg.getData().getString(HANDLER_TOR_MSG);
logBuffer.append(torServiceMsg);
logBuffer.append('\n');
updateStatus(torServiceMsg);
break;
default:
super.handleMessage(msg);
}
}
};
/**
* Class for interacting with the main interface of the service.
*/
private ServiceConnection mConnection = new ServiceConnection() {
public void onServiceConnected(ComponentName className,
IBinder service) {
// This is called when the connection with the service has been
// established, giving us the service object we can use to
// interact with the service. We are communicating with our
// service through an IDL interface, so get a client-side
// representation of that from the raw service object.
mService = ITorService.Stub.asInterface(service);
updateStatus ("");
// We want to monitor the service for as long as we are
// connected to it.
try {
mService.registerCallback(mCallback);
} catch (RemoteException e) {
// In this case the service has crashed before we could even
// do anything with it; we can count on soon being
// disconnected (and then reconnected if it can be restarted)
// so there is no need to do anything here.
}
}
public void onServiceDisconnected(ComponentName className) {
// This is called when the connection with the service has been
// unexpectedly disconnected -- that is, its process crashed.
mService = null;
}
};
boolean mIsBound = false;
boolean hasRoot = false;
boolean enableTransparentProxy = false;
private void bindService ()
{
bindService(new Intent(ITorService.class.getName()),
mConnection, Context.BIND_AUTO_CREATE);
mIsBound = true;
hasRoot = TorTransProxy.hasRootAccess();
}
private void unbindService ()
{
if (mIsBound) {
// If we have received the service, and hence registered with
// it, then now is the time to unregister.
if (mService != null) {
try {
mService.unregisterCallback(mCallback);
} catch (RemoteException e) {
// There is nothing special we need to do if the service
// has crashed.
}
}
// Detach our existing connection.
unbindService(mConnection);
mIsBound = false;
}
}
}