#8919 update dependencies

1 files changed, 202 insertions, 0 deletions

diff --git a/app/src/main/java/de/blinkt/openvpn/core/OrbotHelper.java b/app/src/main/java/de/blinkt/openvpn/core/OrbotHelper.java
new file mode 100644
index 00000000..68f5835f
--- /dev/null
+++ b/app/src/main/java/de/blinkt/openvpn/core/OrbotHelper.java
@@ -0,0 +1,202 @@
+/*
+ * Copyright (c) 2012-2018 Arne Schwabe
+ * Distributed under the GNU GPL v2 with additional terms. For full terms see the file doc/LICENSE.txt
+ */
+
+/*
+ * Portions Copyright 2014-2016 Hans-Christoph Steiner
+ * Portions Copyright 2012-2016 Nathan Freitas
+ * Portions Copyright (c) 2016 CommonsWare, LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+package de.blinkt.openvpn.core;
+
+import android.content.BroadcastReceiver;
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.content.pm.PackageManager;
+import android.content.pm.ResolveInfo;
+import android.text.TextUtils;
+
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+
+import static de.blinkt.openvpn.core.OpenVPNService.ORBOT_PACKAGE_NAME;
+
+public class OrbotHelper {
+    //! Based on the class from NetCipher but stripped down and modified for icsopenvpn
+
+    /**
+     * {@link Intent} send by Orbot with {@code ON/OFF/STARTING/STOPPING} status
+     * included as an {@link #EXTRA_STATUS} {@code String}.  Your app should
+     * always receive {@code ACTION_STATUS Intent}s since any other app could
+     * start Orbot.  Also, user-triggered starts and stops will also cause
+     * {@code ACTION_STATUS Intent}s to be broadcast.
+     */
+    public final static String ACTION_STATUS = "org.torproject.android.intent.action.STATUS";
+    public final static String STATUS_ON = "ON";
+    public final static String STATUS_STARTS_DISABLED = "STARTS_DISABLED";
+
+    public final static String STATUS_STARTING = "STARTING";
+    public final static String STATUS_STOPPING = "STOPPING";
+    public final static String EXTRA_STATUS = "org.torproject.android.intent.extra.STATUS";
+    /**
+     * A request to Orbot to transparently start Tor services
+     */
+    public final static String ACTION_START = "org.torproject.android.intent.action.START";
+    public final static String EXTRA_PACKAGE_NAME = "org.torproject.android.intent.extra.PACKAGE_NAME";
+    public static final int SOCKS_PROXY_PORT_DEFAULT = 9050;
+    private static OrbotHelper mInstance;
+
+    String EXTRA_SOCKS_PROXY_HOST = "org.torproject.android.intent.extra.SOCKS_PROXY_HOST";
+    String EXTRA_SOCKS_PROXY_PORT = "org.torproject.android.intent.extra.SOCKS_PROXY_PORT";
+    private Context mContext;
+    private Set<StatusCallback> statusCallbacks = new HashSet<>();
+    private BroadcastReceiver orbotStatusReceiver = new BroadcastReceiver() {
+        @Override
+        public void onReceive(Context c, Intent intent) {
+            if (TextUtils.equals(intent.getAction(),
+                    OrbotHelper.ACTION_STATUS)) {
+                for (StatusCallback cb : statusCallbacks) {
+                    cb.onStatus(intent);
+                }
+
+                String status = intent.getStringExtra(EXTRA_STATUS);
+                if (TextUtils.equals(status, STATUS_ON)) {
+                    int socksPort = intent.getIntExtra(EXTRA_SOCKS_PROXY_PORT, SOCKS_PROXY_PORT_DEFAULT);
+                    String socksHost = intent.getStringExtra(EXTRA_SOCKS_PROXY_HOST);
+                    if (TextUtils.isEmpty(socksHost))
+                        socksHost = "127.0.0.1";
+                    for (StatusCallback cb : statusCallbacks) {
+                        cb.onOrbotReady(intent, socksHost, socksPort);
+                    }
+                } else if (TextUtils.equals(status, STATUS_STARTS_DISABLED)) {
+                    for (StatusCallback cb : statusCallbacks)
+                        cb.onDisabled(intent);
+                }
+
+            }
+        }
+    };
+
+    private OrbotHelper() {
+
+    }
+
+    public static OrbotHelper get(OpenVPNService mOpenVPNService) {
+        if (mInstance == null)
+            mInstance = new OrbotHelper();
+        return mInstance;
+    }
+
+    /**
+     * Gets an {@link Intent} for starting Orbot.  Orbot will reply with the
+     * current status to the {@code packageName} of the app in the provided
+     * {@link Context} (i.e.  {@link Context#getPackageName()}.
+     */
+    public static Intent getOrbotStartIntent(Context context) {
+        Intent intent = new Intent(ACTION_START);
+        intent.setPackage(ORBOT_PACKAGE_NAME);
+        intent.putExtra(EXTRA_PACKAGE_NAME, context.getPackageName());
+        return intent;
+    }
+
+    public static boolean checkTorReceier(Context c) {
+        Intent startOrbot = getOrbotStartIntent(c);
+        PackageManager pm = c.getPackageManager();
+        Intent result = null;
+        List<ResolveInfo> receivers =
+                pm.queryBroadcastReceivers(startOrbot, 0);
+
+        return receivers != null && receivers.size() > 0;
+    }
+
+    /**
+     * Adds a StatusCallback to be called when we find out that
+     * Orbot is ready. If Orbot is ready for use, your callback
+     * will be called with onEnabled() immediately, before this
+     * method returns.
+     *
+     * @param cb a callback
+     * @return the singleton, for chaining
+     */
+    public synchronized OrbotHelper addStatusCallback(Context c, StatusCallback cb) {
+        if (statusCallbacks.size() == 0) {
+            c.getApplicationContext().registerReceiver(orbotStatusReceiver,
+                    new IntentFilter(OrbotHelper.ACTION_STATUS));
+            mContext = c.getApplicationContext();
+        }
+        if (!checkTorReceier(c))
+            cb.onNotYetInstalled();
+        statusCallbacks.add(cb);
+        return (this);
+    }
+
+    /**
+     * Removes an existing registered StatusCallback.
+     *
+     * @param cb the callback to remove
+     * @return the singleton, for chaining
+     */
+    public synchronized void removeStatusCallback(StatusCallback cb) {
+        statusCallbacks.remove(cb);
+        if (statusCallbacks.size() == 0)
+            mContext.unregisterReceiver(orbotStatusReceiver);
+    }
+
+    public void sendOrbotStartAndStatusBroadcast() {
+        mContext.sendBroadcast(getOrbotStartIntent(mContext));
+    }
+
+    private void startOrbotService(String action) {
+        Intent clearVPNMode = new Intent();
+        clearVPNMode.setComponent(new ComponentName(ORBOT_PACKAGE_NAME, ".service.TorService"));
+        clearVPNMode.setAction(action);
+        mContext.startService(clearVPNMode);
+    }
+
+    public interface StatusCallback {
+        /**
+         * Called when Orbot is operational
+         *
+         * @param statusIntent an Intent containing information about
+         *                     Orbot, including proxy ports
+         */
+        void onStatus(Intent statusIntent);
+
+
+        /**
+         * Called if Orbot is not yet installed. Usually, you handle
+         * this by checking the return value from init() on OrbotInitializer
+         * or calling isInstalled() on OrbotInitializer. However, if
+         * you have need for it, if a callback is registered before
+         * an init() call determines that Orbot is not installed, your
+         * callback will be called with onNotYetInstalled().
+         */
+        void onNotYetInstalled();
+
+        void onOrbotReady(Intent intent, String socksHost, int socksPort);
+
+        /**
+         * Called if Orbot background control is disabled.
+         * @param intent the intent delivered
+         */
+        void onDisabled(Intent intent);
+    }
+}