tor-android/src/org/torproject/android/Orbot.java

1024 lines
34 KiB
Java

/* Copyright (c) 2009, Nathan Freitas, Orbot / The Guardian Project - https://guardianproject.info */
/* See LICENSE for licensing information */
package org.torproject.android;
import java.util.Locale;
import org.torproject.android.service.ITorService;
import org.torproject.android.service.ITorServiceCallback;
import org.torproject.android.service.TorServiceConstants;
import org.torproject.android.settings.ProcessSettingsAsyncTask;
import org.torproject.android.settings.SettingsPreferences;
import org.torproject.android.wizard.ChooseLocaleWizardActivity;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.NotificationManager;
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.content.SharedPreferences.Editor;
import android.content.pm.PackageManager.NameNotFoundException;
import android.content.res.Configuration;
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.text.ClipboardManager;
import android.text.method.ScrollingMovementMethod;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.View.OnLongClickListener;
import android.view.View.OnTouchListener;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.RelativeLayout;
import android.widget.SlidingDrawer;
import android.widget.SlidingDrawer.OnDrawerCloseListener;
import android.widget.SlidingDrawer.OnDrawerOpenListener;
import android.widget.TextView;
import android.widget.Toast;
public class Orbot extends Activity implements TorConstants, OnLongClickListener
{
/* Useful UI bits */
private TextView lblStatus = null; //the main text display widget
private ImageProgressView imgStatus = null; //the main touchable image for activating Orbot
// private ProgressDialog progressDialog;
private MenuItem mItemOnOff = null;
private RelativeLayout trafficRow = null; // the row showing the traffic
private TextView downloadText = null;
private TextView uploadText = null;
private TextView mTxtOrbotLog = null;
private SlidingDrawer mDrawer = null;
private boolean mDrawerOpen = false;
/* Some tracking bits */
private int torStatus = TorServiceConstants.STATUS_OFF; //latest status reported from the tor service
/* Tor Service interaction */
/* The primary interface we will be calling on the service. */
ITorService mService = null;
private boolean autoStartOnBind = false;
SharedPreferences prefs;
public static Orbot currentInstance = null;
private static void setCurrent(Orbot current){
Orbot.currentInstance = current;
}
/** Called when the activity is first created. */
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
Orbot.setCurrent(this);
//if Tor binary is not running, then start the service up
//might want to look at whether we need to call this every time
//or whether binding to the service is enough
setLocale();
startService(new Intent(INTENT_TOR_SERVICE));
prefs = PreferenceManager.getDefaultSharedPreferences(this);
setContentView(R.layout.layout_main);
lblStatus = (TextView)findViewById(R.id.lblStatus);
lblStatus.setOnLongClickListener(this);
imgStatus = (ImageProgressView)findViewById(R.id.imgStatus);
imgStatus.setOnLongClickListener(this);
trafficRow = (RelativeLayout)findViewById(R.id.trafficRow);
downloadText = (TextView)findViewById(R.id.trafficDown);
uploadText = (TextView)findViewById(R.id.trafficUp);
mTxtOrbotLog = (TextView)findViewById(R.id.orbotLog);
mDrawer = ((SlidingDrawer)findViewById(R.id.SlidingDrawer));
Button slideButton = (Button)findViewById(R.id.slideButton);
slideButton.setOnTouchListener(new OnTouchListener (){
@Override
public boolean onTouch(View v, MotionEvent event) {
if (event.equals(MotionEvent.ACTION_DOWN))
{
mDrawerOpen = !mDrawerOpen;
mTxtOrbotLog.setEnabled(mDrawerOpen);
}
return false;
}
});
mTxtOrbotLog.setMovementMethod(new ScrollingMovementMethod());
mTxtOrbotLog.setOnLongClickListener(new View.OnLongClickListener() {
@Override
public boolean onLongClick(View v) {
ClipboardManager cm = (ClipboardManager)getSystemService(Context.CLIPBOARD_SERVICE);
cm.setText(mTxtOrbotLog.getText());
Toast.makeText(Orbot.this, "LOG COPIED TO CLIPBOARD. PLEASE EMAIL TO help@guardianproject.info TO DEBUG PROBLEM", Toast.LENGTH_SHORT).show();
return true;
}
});
downloadText.setText(formatCount(0) + " / " + formatTotal(0));
uploadText.setText(formatCount(0) + " / " + formatTotal(0));
}
/*
* Create the UI Options Menu (non-Javadoc)
* @see android.app.Activity#onCreateOptionsMenu(android.view.Menu)
*/
public boolean onCreateOptionsMenu(Menu menu) {
super.onCreateOptionsMenu(menu);
MenuInflater inflater = getMenuInflater();
inflater.inflate(R.menu.main, menu);
mItemOnOff = menu.getItem(0);
return true;
}
private void showAbout ()
{
LayoutInflater li = LayoutInflater.from(this);
View view = li.inflate(R.layout.layout_about, null);
String version = "";
try {
version = getPackageManager().getPackageInfo(getPackageName(), 0).versionName;
} catch (NameNotFoundException e) {
version = "Version Not Found";
}
TextView versionName = (TextView)view.findViewById(R.id.versionName);
versionName.setText(version);
new AlertDialog.Builder(this)
.setTitle(getString(R.string.button_about))
.setView(view)
.show();
}
/* When a menu item is selected launch the appropriate view or activity
* (non-Javadoc)
* @see android.app.Activity#onMenuItemSelected(int, android.view.MenuItem)
*/
public boolean onMenuItemSelected(int featureId, MenuItem item) {
super.onMenuItemSelected(featureId, item);
if (item.getItemId() == R.id.menu_start)
{
try
{
if (mService == null)
{
}
else if (mService.getStatus() == TorServiceConstants.STATUS_OFF)
{
if (mItemOnOff != null)
mItemOnOff.setTitle(R.string.menu_stop);
startTor();
}
else
{
if (mItemOnOff != null)
mItemOnOff.setTitle(R.string.menu_start);
stopTor();
}
}
catch (RemoteException re)
{
Log.w(TAG, "Unable to start/top Tor from menu UI", re);
}
}
else if (item.getItemId() == R.id.menu_settings)
{
showSettings();
}
else if (item.getItemId() == R.id.menu_wizard)
{
startWizard();
}
else if (item.getItemId() == R.id.menu_verify)
{
doTorCheck();
}
else if (item.getItemId() == R.id.menu_exit)
{
//exit app
doExit();
}
else if (item.getItemId() == R.id.menu_about)
{
showAbout();
}
return true;
}
/**
* This is our attempt to REALLY exit Orbot, and stop the background service
* However, Android doesn't like people "quitting" apps, and/or our code may not
* be quite right b/c no matter what we do, it seems like the TorService still exists
**/
private void doExit ()
{
try {
//one of the confusing things about all of this code is the multiple
//places where things like "stopTor" are called, both in the Activity and the Service
//not something to tackle in your first iteration, but i thin we can talk about fixing
//terminology but also making sure there are clear distinctions in control
stopTor();
//perhaps this should be referenced as INTENT_TOR_SERVICE as in startService
stopService(new Intent(ITorService.class.getName()));
//clears all notifications from the status bar
NotificationManager mNotificationManager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
mNotificationManager.cancelAll();
} catch (RemoteException e) {
Log.w(TAG, e);
}
//Kill all the wizard activities
setResult(RESULT_CLOSE_ALL);
finish();
}
/* (non-Javadoc)
* @see android.app.Activity#onPause()
*/
protected void onPause() {
super.onPause();
unbindService();
//hideProgressDialog();
if (aDialog != null)
aDialog.dismiss();
}
private void doTorCheck ()
{
DialogInterface.OnClickListener dialogClickListener = new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
switch (which){
case DialogInterface.BUTTON_POSITIVE:
openBrowser(URL_TOR_CHECK);
break;
case DialogInterface.BUTTON_NEGATIVE:
//do nothing
break;
}
}
};
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setMessage(R.string.tor_check).setPositiveButton(R.string.btn_okay, dialogClickListener)
.setNegativeButton(R.string.btn_cancel, dialogClickListener).show();
}
private void enableHiddenServicePort (int hsPort)
{
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
Editor pEdit = prefs.edit();
String hsPortString = prefs.getString("pref_hs_ports", "");
if (hsPortString.length() > 0 && hsPortString.indexOf(hsPort+"")==-1)
hsPortString += ',' + hsPort;
else
hsPortString = hsPort + "";
pEdit.putString("pref_hs_ports", hsPortString);
pEdit.putBoolean("pref_hs_enable", true);
pEdit.commit();
String onionHostname = prefs.getString("pref_hs_hostname","");
Intent nResult = new Intent();
nResult.putExtra("hs_host", onionHostname);
setResult(RESULT_OK, nResult);
}
/* (non-Javadoc)
* @see android.app.Activity#onResume()
*/
protected void onResume() {
super.onResume();
bindService();
if (getIntent() == null)
return;
String action = getIntent().getAction();
if (action == null)
return;
if (action.equals("org.torproject.android.REQUEST_HS_PORT"))
{
DialogInterface.OnClickListener dialogClickListener = new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
switch (which){
case DialogInterface.BUTTON_POSITIVE:
int hsPort = getIntent().getIntExtra("hs_port", -1);
enableHiddenServicePort (hsPort);
finish();
break;
case DialogInterface.BUTTON_NEGATIVE:
//No button clicked
finish();
break;
}
}
};
int hsPort = getIntent().getIntExtra("hs_port", -1);
String requestMsg = getString(R.string.hidden_service_request, hsPort);
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setMessage(requestMsg).setPositiveButton("Allow", dialogClickListener)
.setNegativeButton("Deny", dialogClickListener).show();
}
else if (action.equals("org.torproject.android.START_TOR"))
{
autoStartOnBind = true;
if (mService == null)
{
bindService();
}
else
{
//already running!
}
}
else
{
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
boolean showWizard = prefs.getBoolean("show_wizard",true);
if (showWizard)
{
Editor pEdit = prefs.edit();
pEdit.putBoolean("show_wizard",false);
pEdit.commit();
startWizard();
//startActivityForResult(new Intent(getBaseContext(), LotsaText.class), 1);
}
}
updateStatus ("");
}
@Override
public void onConfigurationChanged(Configuration newConfig) {
super.onConfigurationChanged(newConfig);
}
/* (non-Javadoc)
* @see android.app.Activity#onStop()
*/
protected void onStop() {
super.onStop();
unbindService();
}
/*
* 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)));
}
/*
* Show the help view - a popup dialog
*/
private void startWizard ()
{
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
Editor pEdit = prefs.edit();
pEdit.putBoolean("wizardscreen1",true);
pEdit.commit();
startActivityForResult(new Intent(getBaseContext(), ChooseLocaleWizardActivity.class), 1);
}
/*
* Load the basic settings application to display torrc
*/
private void showSettings ()
{
startActivityForResult(new Intent(this, SettingsPreferences.class), 1);
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
//if we get a response from an activity we launched (like from line 527 where we launch the Settings/Prefs screen)
//and the resultCode matches our arbitrary 1010 value, AND Tor is running
//then update the preferences in an async background task
if (requestCode == 1 && resultCode == 1010 && mService != null)
{
new ProcessSettingsAsyncTask().execute(mService);
setLocale();
}
}
AlertDialog aDialog = null;
//general alert dialog for mostly Tor warning messages
//sometimes this can go haywire or crazy with too many error
//messages from Tor, and the user cannot stop or exit Orbot
//so need to ensure repeated error messages are not spamming this method
private void showAlert(String title, String msg, boolean button)
{
try
{
if (aDialog != null && aDialog.isShowing())
aDialog.dismiss();
}
catch (Exception e){} //swallow any errors
if (button)
{
aDialog = new AlertDialog.Builder(Orbot.this)
.setIcon(R.drawable.icon)
.setTitle(title)
.setMessage(msg)
.setPositiveButton(android.R.string.ok, null)
.show();
}
else
{
aDialog = new AlertDialog.Builder(Orbot.this)
.setIcon(R.drawable.icon)
.setTitle(title)
.setMessage(msg)
.show();
}
aDialog.setCanceledOnTouchOutside(true);
}
/*
* Set the state of the running/not running graphic and label
* this all needs to be looked at w/ the shift to progressDialog
*/
public void updateStatus (String torServiceMsg)
{
try
{
//if the serivce is bound, query it for the curren status value (int)
if (mService != null)
torStatus = mService.getStatus();
//now update the layout_main UI based on the status
if (imgStatus != null)
{
if (torStatus == TorServiceConstants.STATUS_ON)
{
imgStatus.setImageResource(R.drawable.toron);
// hideProgressDialog();
String lblMsg = getString(R.string.status_activated);
lblStatus.setText(lblMsg);
if (torServiceMsg != null && torServiceMsg.length() > 0)
{
// showAlert("Update", torServiceMsg,xte
mTxtOrbotLog.append(torServiceMsg + "\n");
}
boolean showFirstTime = prefs.getBoolean("connect_first_time",true);
if (showFirstTime)
{
Editor pEdit = prefs.edit();
pEdit.putBoolean("connect_first_time",false);
pEdit.commit();
showAlert(getString(R.string.status_activated),getString(R.string.connect_first_time),true);
}
if (mItemOnOff != null)
mItemOnOff.setTitle(R.string.menu_stop);
}
else if (torStatus == TorServiceConstants.STATUS_CONNECTING)
{
imgStatus.setImageResource(R.drawable.torstarting);
// if (progressDialog != null)
// progressDialog.setMessage(torServiceMsg);
mTxtOrbotLog.append(torServiceMsg + '\n');
if (mItemOnOff != null)
mItemOnOff.setTitle(R.string.menu_stop);
}
else
{
// hideProgressDialog();
imgStatus.setImageResource(R.drawable.toroff);
lblStatus.setText(getString(R.string.status_disabled) + "\n" + getString(R.string.press_to_start));
if (mItemOnOff != null)
mItemOnOff.setTitle(R.string.menu_start);
}
}
}
catch (RemoteException e)
{
Log.e(TAG,"remote exception updating status",e);
}
}
// guess what? this start's Tor! actually no it just requests via the local ITorService to the remote TorService instance
// to start Tor
private void startTor () throws RemoteException
{
mTxtOrbotLog.setText("");
// this is a bit of a strange/old/borrowed code/design i used to change the service state
// not sure it really makes sense when what we want to say is just "startTor"
mService.setProfile(TorServiceConstants.PROFILE_ON); //this means turn on
//here we update the UI which is a bit sloppy and mixed up code wise
//might be best to just call updateStatus() instead of directly manipulating UI in this method - yep makes sense
imgStatus.setImageResource(R.drawable.torstarting);
lblStatus.setText(getString(R.string.status_starting_up));
//we send a message here to the progressDialog i believe, but we can clarify that shortly
Message msg = mHandler.obtainMessage(TorServiceConstants.ENABLE_TOR_MSG);
msg.getData().putString(HANDLER_TOR_MSG, getString(R.string.status_starting_up));
mHandler.sendMessage(msg);
}
//now we stop Tor! amazing!
private void stopTor () throws RemoteException
{
if (mService != null)
{
mService.setProfile(TorServiceConstants.PROFILE_OFF);
Message msg = mHandler.obtainMessage(TorServiceConstants.DISABLE_TOR_MSG);
mHandler.sendMessage(msg);
//trafficRow.setVisibility(RelativeLayout.GONE);
}
}
/*
* (non-Javadoc)
* @see android.view.View.OnClickListener#onClick(android.view.View)
*/
public boolean onLongClick(View view) {
if (!mDrawerOpen)
{
try
{
if (mService != null && mService.getStatus() == TorServiceConstants.STATUS_OFF)
{
// createProgressDialog(getString(R.string.status_starting_up));
startTor();
}
else
{
stopTor();
}
return true;
}
catch (Exception e)
{
Log.d(TAG,"error onclick",e);
}
}
return false;
}
/**
* This implementation is used to receive callbacks from the remote
* service.
*
* If we have this setup probably, we shouldn't have to poll or query status
* to the service, as it should send it as it changes or when we bind/unbind to it
* from this activity
*/
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.
*/
//receive a new string vaule end-user displayable message from the ITorService
public void statusChanged(String value) {
//pass it off to the progressDialog
Message msg = mHandler.obtainMessage(TorServiceConstants.STATUS_MSG);
msg.getData().putString(HANDLER_TOR_MSG, value);
mHandler.sendMessage(msg);
}
@Override
public void logMessage(String value) throws RemoteException {
Message msg = mHandler.obtainMessage(TorServiceConstants.LOG_MSG);
msg.getData().putString(HANDLER_TOR_MSG, value);
mHandler.sendMessage(msg);
}
@Override
public void updateBandwidth(long upload, long download)
throws RemoteException {
Message msg = Message.obtain();
msg.what = TorServiceConstants.MESSAGE_TRAFFIC_COUNT;
Bundle data = new Bundle();
data.putLong("upload", upload);
data.putLong("download", download);
msg.setData(data);
mHandler.sendMessage(msg);
}
};
// this is what takes messages or values from the callback threads or other non-mainUI threads
//and passes them back into the main UI thread for display to the user
private Handler mHandler = new Handler() {
private String lastServiceMsg = null;
public void handleMessage(Message msg) {
switch (msg.what) {
case TorServiceConstants.STATUS_MSG:
case TorServiceConstants.LOG_MSG:
String torServiceMsg = (String)msg.getData().getString(HANDLER_TOR_MSG);
if (lastServiceMsg == null || !lastServiceMsg.equals(torServiceMsg))
{
updateStatus(torServiceMsg);
lastServiceMsg = torServiceMsg;
}
break;
case TorServiceConstants.ENABLE_TOR_MSG:
updateStatus((String)msg.getData().getString(HANDLER_TOR_MSG));
break;
case TorServiceConstants.DISABLE_TOR_MSG:
updateStatus((String)msg.getData().getString(HANDLER_TOR_MSG));
break;
case TorServiceConstants.MESSAGE_TRAFFIC_COUNT :
//trafficRow.setVisibility(RelativeLayout.VISIBLE);
Bundle data = msg.getData();
DataCount datacount = new DataCount(data.getLong("upload"),data.getLong("download"));
String TotalUpload = "";
String TotalDownload = "";
try {
TotalUpload = mService.getInfo("traffic/written");
TotalDownload = mService.getInfo("traffic/read");
} catch (RemoteException e) {
Log.d(TAG,"Total bandwidth error"+e.getMessage());
}
try
{
downloadText.setText(formatCount(datacount.Download) + " / " + formatTotal(Long.parseLong(TotalDownload)));
uploadText.setText(formatCount(datacount.Upload) + " / " + formatTotal(Long.parseLong(TotalUpload)));
downloadText.invalidate();
uploadText.invalidate();
}
catch (NumberFormatException nfe)
{
//just ignore/swallow
}
break;
default:
super.handleMessage(msg);
}
}
};
/**
* Class for interacting with the main interface of the service.
*/
// this is the connection that gets called back when a successfull bind occurs
// we should use this to activity monitor unbind so that we don't have to call
// bindService() a million times
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);
// We want to monitor the service for as long as we are
// connected to it.
try {
mService.registerCallback(mCallback);
//again with the update status?!? :P
updateStatus(null);
if (autoStartOnBind)
{
autoStartOnBind = false;
startTor();
}
} 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.
Log.d(TAG,"error registering callback to service",e);
}
}
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;
}
};
//should move this up with all the other class variables
boolean mIsBound = false;
//this is where we bind!
private void bindService ()
{
//since its auto create, we prob don't ever need to call startService
//also we should again be consistent with using either iTorService.class.getName()
//or the variable constant
bindService(new Intent(ITorService.class.getName()),
mConnection, Context.BIND_AUTO_CREATE);
mIsBound = true;
}
//unbind removes the callback, and unbinds the service
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.
}
}
//maybe needs this?
mService = null;
// Detach our existing connection.
unbindService(mConnection);
mIsBound = false;
}
}
/*
private void createProgressDialog (String msg)
{
if (progressDialog != null && progressDialog.isShowing())
{
progressDialog.setMessage(msg);
}
else
{
progressDialog = ProgressDialog.show(Orbot.this, "", msg);
progressDialog.setCancelable(true);
}
}
private void hideProgressDialog ()
{
if (progressDialog != null && progressDialog.isShowing())
{
progressDialog.dismiss();
progressDialog = null;
}
}
*/
private void setLocale ()
{
SharedPreferences settings = PreferenceManager.getDefaultSharedPreferences(this);
Configuration config = getResources().getConfiguration();
String lang = settings.getString(PREF_DEFAULT_LOCALE, "");
if (! "".equals(lang) && ! config.locale.getLanguage().equals(lang))
{
Locale locale = new Locale(lang);
Locale.setDefault(locale);
config.locale = locale;
getResources().updateConfiguration(config, getResources().getDisplayMetrics());
}
}
public class DataCount {
// data uploaded
public long Upload;
// data downloaded
public long Download;
DataCount(long Upload, long Download){
this.Upload = Upload;
this.Download = Download;
}
}
private String formatCount(long count) {
// Converts the supplied argument into a string.
// Under 2Mb, returns "xxx.xKb"
// Over 2Mb, returns "xxx.xxMb"
if (count < 1e6 * 2)
return ((float)((int)(count*10/1024))/10 + "kbps");
return ((float)((int)(count*100/1024/1024))/100 + "mbps");
//return count+" kB";
}
private String formatTotal(long count) {
// Converts the supplied argument into a string.
// Under 2Mb, returns "xxx.xKb"
// Over 2Mb, returns "xxx.xxMb"
if (count < 1e6)
return ((float)((int)(count*10/1024))/10 + "KB");
return ((float)((int)(count*100/1024/1024))/100 + "MB");
//return count+" kB";
}
}