2 * Copyright © 2016-2017 Soren Stoutner <soren@stoutner.com>.
4 * This file is part of Privacy Browser <https://www.stoutner.com/privacy-browser>.
6 * Privacy Browser is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
11 * Privacy Browser is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with Privacy Browser. If not, see <http://www.gnu.org/licenses/>.
20 package com.stoutner.privacybrowser.helpers;
22 import android.app.Activity;
23 import android.content.Context;
24 import android.content.DialogInterface;
25 import android.content.Intent;
26 import android.content.pm.PackageManager;
27 import android.net.Proxy;
28 import android.support.v7.app.AlertDialog;
29 import android.util.ArrayMap;
30 import android.util.Log;
32 import com.stoutner.privacybrowser.activities.MainWebViewActivity;
33 import com.stoutner.privacybrowser.R;
35 import java.lang.reflect.Field;
36 import java.lang.reflect.InvocationTargetException;
37 import java.lang.reflect.Method;
39 public class OrbotProxyHelper {
40 public static void setProxy(Context privacyBrowserContext, Activity parentActivity, String proxyHost, String proxyPort) {
42 // Set the proxy values
43 System.setProperty("http.proxyHost", proxyHost);
44 System.setProperty("http.proxyPort", proxyPort);
45 System.setProperty("https.proxyHost", proxyHost);
46 System.setProperty("https.proxyPort", proxyPort);
48 // Use reflection to apply the new proxy values.
50 Class applicationClass = Class.forName("android.app.Application");
51 Field mLoadedApkField = applicationClass.getDeclaredField("mLoadedApk");
52 // `setAccessible(true)` allows us to change the value of `mLoadedApkField`.
53 mLoadedApkField.setAccessible(true);
54 Object mLoadedApkObject = mLoadedApkField.get(privacyBrowserContext);
56 Class loadedApkClass = Class.forName("android.app.LoadedApk");
57 Field mReceiversField = loadedApkClass.getDeclaredField("mReceivers");
58 // `setAccessible(true)` allows us to change the value of `mReceiversField`.
59 mReceiversField.setAccessible(true);
61 ArrayMap receivers = (ArrayMap) mReceiversField.get(mLoadedApkObject);
63 for (Object receiverMap : receivers.values()) {
64 for (Object receiver : ((ArrayMap) receiverMap).keySet()) {
65 // We have to use `Class<?>`, which is an `unbounded wildcard parameterized type`, instead of `Class`, which is a `raw type`, or `receiveClass.getDeclaredMethod` below will produce an error.
66 Class<?> receiverClass = receiver.getClass();
67 if (receiverClass.getName().contains("ProxyChangeListener")) {
68 Method onReceiveMethod = receiverClass.getDeclaredMethod("onReceive", Context.class, Intent.class);
69 Intent intent = new Intent(Proxy.PROXY_CHANGE_ACTION);
70 onReceiveMethod.invoke(receiver, privacyBrowserContext, intent);
74 } catch (ClassNotFoundException | NoSuchFieldException | IllegalAccessException | NoSuchMethodException | InvocationTargetException exception) {
75 Log.d("enableProxyThroughOrbot", "Exception: " + exception);
78 if (proxyPort.equals("8118")) { // Orbot proxy was turned on.
79 try { // Check to see if Orbot is installed.
80 PackageManager packageManager = privacyBrowserContext.getPackageManager();
81 packageManager.getPackageInfo("org.torproject.android", PackageManager.GET_ACTIVITIES);
83 // Ask Orbot to connect if its current status is not "ON".
84 if (!MainWebViewActivity.orbotStatus.equals("ON")) {
85 // Request Orbot to start.
86 Intent orbotIntent = new Intent("org.torproject.android.intent.action.START");
88 // Send the intent to the Orbot package.
89 orbotIntent.setPackage("org.torproject.android");
91 // Request a status response be sent back to this package.
92 orbotIntent.putExtra("org.torproject.android.intent.extra.PACKAGE_NAME", privacyBrowserContext.getPackageName());
95 privacyBrowserContext.sendBroadcast(orbotIntent);
97 } catch (PackageManager.NameNotFoundException exception){ // If an exception is thrown, Orbot is not installed.
98 // Use `AlertDialog.Builder` to create the `AlertDialog`.
99 AlertDialog.Builder dialogBuilder;
101 // Set the style according to the theme.
102 if (MainWebViewActivity.darkTheme) {
103 dialogBuilder = new AlertDialog.Builder(parentActivity, R.style.PrivacyBrowserAlertDialogDark);
105 dialogBuilder = new AlertDialog.Builder(parentActivity, R.style.PrivacyBrowserAlertDialogLight);
109 dialogBuilder.setMessage(R.string.orbot_proxy_not_installed);
111 // Set the positive button.
112 dialogBuilder.setPositiveButton(R.string.close, new DialogInterface.OnClickListener() {
114 public void onClick(DialogInterface dialog, int which) {
115 // Do nothing. The `AlertDialog` will close automatically.
119 // Convert `dialogBuilder` to `alertDialog`.
120 AlertDialog alertDialog = dialogBuilder.create();