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package de.blinkt.openvpn;
import java.io.IOException;
import java.util.Collection;
import java.util.Vector;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.ListActivity;
import android.content.ActivityNotFoundException;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.content.Intent;
import android.content.SharedPreferences;
import android.net.VpnService;
import android.os.Bundle;
import android.os.Parcelable;
import android.preference.PreferenceManager;
import android.text.InputType;
import android.text.TextUtils;
import android.text.method.PasswordTransformationMethod;
import android.view.View;
import android.widget.*;
import android.widget.AdapterView.OnItemClickListener;
import de.blinkt.openvpn.core.VpnStatus;
import de.blinkt.openvpn.core.VpnStatus.ConnectionStatus;
import de.blinkt.openvpn.core.ProfileManager;
import de.blinkt.openvpn.core.VPNLaunchHelper;
/**
* This Activity actually handles two stages of a launcher shortcut's life cycle.
*
* 1. Your application offers to provide shortcuts to the launcher. When
* the user installs a shortcut, an activity within your application
* generates the actual shortcut and returns it to the launcher, where it
* is shown to the user as an icon.
*
* 2. Any time the user clicks on an installed shortcut, an intent is sent.
* Typically this would then be handled as necessary by an activity within
* your application.
*
* We handle stage 1 (creating a shortcut) by simply sending back the information (in the form
* of an {@link android.content.Intent} that the launcher will use to create the shortcut.
*
* You can also implement this in an interactive way, by having your activity actually present
* UI for the user to select the specific nature of the shortcut, such as a contact, picture, URL,
* media item, or action.
*
* We handle stage 2 (responding to a shortcut) in this sample by simply displaying the contents
* of the incoming {@link android.content.Intent}.
*
* In a real application, you would probably use the shortcut intent to display specific content
* or start a particular operation.
*/
public class LaunchVPN extends Activity {
public static final String EXTRA_KEY = "de.blinkt.openvpn.shortcutProfileUUID";
public static final String EXTRA_NAME = "de.blinkt.openvpn.shortcutProfileName";
public static final String EXTRA_HIDELOG = "de.blinkt.openvpn.showNoLogWindow";
private static final int START_VPN_PROFILE= 70;
private ProfileManager mPM;
private VpnProfile mSelectedProfile;
private boolean mhideLog=false;
private boolean mCmfixed=false;
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
mPM =ProfileManager.getInstance(this);
}
@Override
protected void onStart() {
super.onStart();
// Resolve the intent
final Intent intent = getIntent();
final String action = intent.getAction();
// If the intent is a request to create a shortcut, we'll do that and exit
if(Intent.ACTION_MAIN.equals(action)) {
// we got called to be the starting point, most likely a shortcut
String shortcutUUID = intent.getStringExtra( EXTRA_KEY);
String shortcutName = intent.getStringExtra( EXTRA_NAME);
mhideLog = intent.getBooleanExtra(EXTRA_HIDELOG, false);
VpnProfile profileToConnect = ProfileManager.get(this,shortcutUUID);
if(shortcutName != null && profileToConnect ==null)
profileToConnect = ProfileManager.getInstance(this).getProfileByName(shortcutName);
if(profileToConnect ==null) {
VpnStatus.logError(R.string.shortcut_profile_notfound);
// show Log window to display error
showLogWindow();
finish();
return;
}
mSelectedProfile = profileToConnect;
launchVPN();
}
}
private void askForPW(final int type) {
final EditText entry = new EditText(this);
final View userpwlayout = getLayoutInflater().inflate(R.layout.userpass, null);
entry.setSingleLine();
entry.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD);
entry.setTransformationMethod(new PasswordTransformationMethod());
AlertDialog.Builder dialog = new AlertDialog.Builder(this);
dialog.setTitle("Need " + getString(type));
dialog.setMessage("Enter the password for profile " + mSelectedProfile.mName);
if (type == R.string.password) {
((EditText)userpwlayout.findViewById(R.id.username)).setText(mSelectedProfile.mUsername);
((EditText)userpwlayout.findViewById(R.id.password)).setText(mSelectedProfile.mPassword);
((CheckBox)userpwlayout.findViewById(R.id.save_password)).setChecked(!TextUtils.isEmpty(mSelectedProfile.mPassword));
((CheckBox)userpwlayout.findViewById(R.id.show_password)).setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
if (isChecked)
((EditText)userpwlayout.findViewById(R.id.password)).setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD);
else
((EditText)userpwlayout.findViewById(R.id.password)).setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD);
}
});
dialog.setView(userpwlayout);
} else {
dialog.setView(entry);
}
AlertDialog.Builder builder = dialog.setPositiveButton(android.R.string.ok,
new OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
if (type == R.string.password) {
mSelectedProfile.mUsername = ((EditText) userpwlayout.findViewById(R.id.username)).getText().toString();
String pw = ((EditText) userpwlayout.findViewById(R.id.password)).getText().toString();
if (((CheckBox) userpwlayout.findViewById(R.id.save_password)).isChecked()) {
mSelectedProfile.mPassword=pw;
} else {
mSelectedProfile.mPassword=null;
mSelectedProfile.mTransientPW = pw;
}
} else {
mSelectedProfile.mTransientPCKS12PW = entry.getText().toString();
}
onActivityResult(START_VPN_PROFILE, Activity.RESULT_OK, null);
}
});
dialog.setNegativeButton(android.R.string.cancel,
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
VpnStatus.updateStateString("USER_VPN_PASSWORD_CANCELLED", "", R.string.state_user_vpn_password_cancelled,
ConnectionStatus.LEVEL_NOTCONNECTED);
finish();
}
});
dialog.create().show();
}
@Override
protected void onActivityResult (int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if(requestCode==START_VPN_PROFILE) {
if(resultCode == Activity.RESULT_OK) {
int needpw = mSelectedProfile.needUserPWInput();
if(needpw !=0) {
VpnStatus.updateStateString("USER_VPN_PASSWORD", "", R.string.state_user_vpn_password,
ConnectionStatus.LEVEL_WAITING_FOR_USER_INPUT);
askForPW(needpw);
} else {
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
boolean showlogwindow = prefs.getBoolean("showlogwindow", true);
if(!mhideLog && showlogwindow)
showLogWindow();
new startOpenVpnThread().start();
}
} else if (resultCode == Activity.RESULT_CANCELED) {
// User does not want us to start, so we just vanish
VpnStatus.updateStateString("USER_VPN_PERMISSION_CANCELLED", "", R.string.state_user_vpn_permission_cancelled,
ConnectionStatus.LEVEL_NOTCONNECTED);
finish();
}
}
}
void showLogWindow() {
Intent startLW = new Intent(getBaseContext(),LogWindow.class);
startLW.addFlags(Intent.FLAG_ACTIVITY_REORDER_TO_FRONT);
startActivity(startLW);
}
void showConfigErrorDialog(int vpnok) {
AlertDialog.Builder d = new AlertDialog.Builder(this);
d.setTitle(R.string.config_error_found);
d.setMessage(vpnok);
d.setPositiveButton(android.R.string.ok, new OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
finish();
}
});
d.show();
}
void launchVPN () {
int vpnok = mSelectedProfile.checkProfile(this);
if(vpnok!= R.string.no_error_found) {
showConfigErrorDialog(vpnok);
return;
}
Intent intent = VpnService.prepare(this);
// Check if we want to fix /dev/tun
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
boolean usecm9fix = prefs.getBoolean("useCM9Fix", false);
boolean loadTunModule = prefs.getBoolean("loadTunModule", false);
if(loadTunModule)
execeuteSUcmd("insmod /system/lib/modules/tun.ko");
if(usecm9fix && !mCmfixed ) {
execeuteSUcmd("chown system /dev/tun");
}
if (intent != null) {
VpnStatus.updateStateString("USER_VPN_PERMISSION", "", R.string.state_user_vpn_password,
ConnectionStatus.LEVEL_WAITING_FOR_USER_INPUT);
// Start the query
try {
startActivityForResult(intent, START_VPN_PROFILE);
} catch (ActivityNotFoundException ane) {
// Shame on you Sony! At least one user reported that
// an official Sony Xperia Arc S image triggers this exception
VpnStatus.logError(R.string.no_vpn_support_image);
showLogWindow();
}
} else {
onActivityResult(START_VPN_PROFILE, Activity.RESULT_OK, null);
}
}
private void execeuteSUcmd(String command) {
ProcessBuilder pb = new ProcessBuilder("su","-c",command);
try {
Process p = pb.start();
int ret = p.waitFor();
if(ret ==0)
mCmfixed=true;
} catch (InterruptedException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
private class startOpenVpnThread extends Thread {
@Override
public void run() {
VPNLaunchHelper.startOpenVpn(mSelectedProfile, getBaseContext());
finish();
}
}
}
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