From fe6a0e47121d17d08c7d913f1db086687a569446 Mon Sep 17 00:00:00 2001 From: cyBerta Date: Wed, 23 Jun 2021 03:27:17 +0200 Subject: initial tor-integration to circumvent blocking attempts of the provider api --- .../bitmaskclient/tor/TorNotificationManager.java | 105 +++++++++++++++++++++ .../bitmaskclient/tor/TorStatusObservable.java | 102 ++++++++++++++++++++ 2 files changed, 207 insertions(+) create mode 100644 app/src/main/java/se/leap/bitmaskclient/tor/TorNotificationManager.java create mode 100644 app/src/main/java/se/leap/bitmaskclient/tor/TorStatusObservable.java (limited to 'app/src/main/java/se/leap/bitmaskclient/tor') diff --git a/app/src/main/java/se/leap/bitmaskclient/tor/TorNotificationManager.java b/app/src/main/java/se/leap/bitmaskclient/tor/TorNotificationManager.java new file mode 100644 index 00000000..71a2735c --- /dev/null +++ b/app/src/main/java/se/leap/bitmaskclient/tor/TorNotificationManager.java @@ -0,0 +1,105 @@ +package se.leap.bitmaskclient.tor; +/** + * Copyright (c) 2021 LEAP Encryption Access Project and contributers + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +import android.annotation.TargetApi; +import android.app.Notification; +import android.app.NotificationChannel; +import android.app.NotificationManager; +import android.content.Context; +import android.os.Build; + +import androidx.annotation.NonNull; +import androidx.core.app.NotificationCompat; + +import se.leap.bitmaskclient.R; + +public class TorNotificationManager { + public final static int TOR_SERVICE_NOTIFICATION_ID = 10; + static final String NOTIFICATION_CHANNEL_NEWSTATUS_ID = "bitmask_tor_service_news"; + + + public TorNotificationManager() {} + + + public static Notification buildTorForegroundNotification(Context context) { + NotificationManager notificationManager = initNotificationManager(context); + if (notificationManager == null) { + return null; + } + NotificationCompat.Builder notificationBuilder = initNotificationBuilderDefaults(context); + return notificationBuilder + .setSmallIcon(R.drawable.ic_bridge_36) + .setWhen(System.currentTimeMillis()) + .setContentTitle("Using Bridges to configure provider.").build(); + } + + public void buildTorNotification(Context context, String state) { + NotificationManager notificationManager = initNotificationManager(context); + if (notificationManager == null) { + return; + } + NotificationCompat.Builder notificationBuilder = initNotificationBuilderDefaults(context); + notificationBuilder + .setSmallIcon(R.drawable.ic_bridge_36) + .setWhen(System.currentTimeMillis()) + .setTicker(state) + .setContentTitle(context.getString(R.string.tor_provider_setup)) + .setContentText(state); + notificationManager.notify(TOR_SERVICE_NOTIFICATION_ID, notificationBuilder.build()); + } + + + private static NotificationManager initNotificationManager(Context context) { + NotificationManager notificationManager = (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE); + if (notificationManager == null) { + return null; + } + if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) { + createNotificationChannel(notificationManager); + } + return notificationManager; + } + + @TargetApi(26) + private static void createNotificationChannel(NotificationManager notificationManager) { + CharSequence name = "Bitmask Tor Service"; + String description = "Informs about usage of bridges to configure Bitmask."; + NotificationChannel channel = new NotificationChannel(NOTIFICATION_CHANNEL_NEWSTATUS_ID, + name, + NotificationManager.IMPORTANCE_LOW); + channel.setSound(null, null); + channel.setDescription(description); + notificationManager.createNotificationChannel(channel); + } + + private static NotificationCompat.Builder initNotificationBuilderDefaults(Context context) { + NotificationCompat.Builder notificationBuilder = new NotificationCompat.Builder(context, NOTIFICATION_CHANNEL_NEWSTATUS_ID); + notificationBuilder. + setDefaults(Notification.DEFAULT_ALL). + setAutoCancel(true); + return notificationBuilder; + } + + public void cancelNotifications(Context context) { + NotificationManager notificationManager = (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE); + if (notificationManager == null) { + return; + } + notificationManager.cancel(TOR_SERVICE_NOTIFICATION_ID); + } +} diff --git a/app/src/main/java/se/leap/bitmaskclient/tor/TorStatusObservable.java b/app/src/main/java/se/leap/bitmaskclient/tor/TorStatusObservable.java new file mode 100644 index 00000000..ed4ae24b --- /dev/null +++ b/app/src/main/java/se/leap/bitmaskclient/tor/TorStatusObservable.java @@ -0,0 +1,102 @@ +package se.leap.bitmaskclient.tor; + +import android.content.Context; +import android.os.Handler; +import android.util.Log; + +import androidx.annotation.NonNull; +import androidx.annotation.Nullable; + +import java.util.Observable; + +import se.leap.bitmaskclient.R; + +public class TorStatusObservable extends Observable { + + private static final String TAG = TorStatusObservable.class.getSimpleName(); + + public enum TorStatus { + ON, + OFF, + STARTING, + STOPPING, + UNKOWN + } + + private static TorStatusObservable instance; + private TorStatus status = TorStatus.UNKOWN; + private final TorNotificationManager torNotificationManager; + private String lastError; + private int port = -1; + + private TorStatusObservable() { + torNotificationManager = new TorNotificationManager(); + } + + public static TorStatusObservable getInstance() { + if (instance == null) { + instance = new TorStatusObservable(); + } + return instance; + } + + public static TorStatus getStatus() { + return getInstance().status; + } + + + public static void updateState(Context context, String status) { + try { + Log.d(TAG, "update tor state: " + status); + getInstance().status = TorStatus.valueOf(status); + if (getInstance().status == TorStatus.OFF) { + getInstance().torNotificationManager.cancelNotifications(context); + } else { + getInstance().torNotificationManager.buildTorNotification(context, getStringForCurrentStatus(context)); + } + instance.setChanged(); + instance.notifyObservers(); + + + } catch (IllegalStateException e) { + e.printStackTrace(); + } + } + + public static void setLastError(String error) { + getInstance().lastError = error; + instance.setChanged(); + instance.notifyObservers(); + } + + public static void setProxyPort(int port) { + getInstance().port = port; + instance.setChanged(); + instance.notifyObservers(); + } + + public static int getProxyPort() { + return getInstance().port; + } + + + @Nullable + public String getLastError() { + return lastError; + } + + private static String getStringForCurrentStatus(Context context) { + switch (getInstance().status) { + case ON: + return context.getString(R.string.tor_started); + case STARTING: + return context.getString(R.string.tor_starting); + case STOPPING: + return context.getString(R.string.tor_stopping); + case OFF: + case UNKOWN: + break; + } + return null; + } +} -- cgit v1.2.3