From f433a5e6556c93386c5e018285efe038c83afa8f Mon Sep 17 00:00:00 2001
From: Hans-Christoph Steiner <hans@eds.org>
Date: Wed, 10 Jun 2015 14:46:05 -0400
Subject: [PATCH] expose start action via a BroadcastReceiver that any app can
 send to

This allows any app to broadcast an Intent to Orbot in order to make Orbot
start in the background.

closes #3117 https://dev.guardianproject.info/issues/3117
---
 AndroidManifest.xml                           | 10 +++++++++-
 .../torproject/android/OrbotMainActivity.java | 10 +++++-----
 .../android/service/OnBootReceiver.java       |  4 ++--
 .../android/service/StartTorReceiver.java     | 20 +++++++++++++++++++
 .../android/service/TorService.java           |  2 +-
 .../android/service/TorServiceConstants.java  |  2 +-
 6 files changed, 38 insertions(+), 10 deletions(-)
 create mode 100644 src/org/torproject/android/service/StartTorReceiver.java

diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 603ac703..23f5e4e5 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -87,7 +87,15 @@
             android:permission="org.torproject.android.MANAGE_TOR"
             android:stopWithTask="false" >
         </service>
-   	
+
+        <receiver
+            android:name=".service.StartTorReceiver"
+            android:exported="true">
+             <intent-filter>
+                 <action android:name="org.torproject.android.intent.action.START" />
+             </intent-filter>
+        </receiver>
+
    	<receiver android:name="org.torproject.android.service.OnBootReceiver"
    	    android:enabled="true" android:exported="true"
    	    
diff --git a/src/org/torproject/android/OrbotMainActivity.java b/src/org/torproject/android/OrbotMainActivity.java
index 38d3a809..bfa777d6 100644
--- a/src/org/torproject/android/OrbotMainActivity.java
+++ b/src/org/torproject/android/OrbotMainActivity.java
@@ -924,11 +924,11 @@ public class OrbotMainActivity extends Activity
 			}
 		}
     }
-    
-    private void requestTorRereadConfig()    {
-        sendIntentToService (TorServiceConstants.CMD_START);
+
+    private void requestTorRereadConfig() {
+        sendIntentToService(TorServiceConstants.CMD_SIGNAL_HUP);
     }
-    
+
     public void promptStartVpnService ()
     {
     	 LayoutInflater li = LayoutInflater.from(this);
@@ -1127,7 +1127,7 @@ public class OrbotMainActivity extends Activity
         imgStatus.setImageResource(R.drawable.torstarting);
         lblStatus.setText(getString(R.string.status_starting_up));
 
-        sendIntentToService(TorServiceConstants.CMD_START);
+        sendIntentToService(TorServiceConstants.ACTION_START);
         
         //we send a message here to the progressDialog i believe, but we can clarify that shortly
         Message msg = mStatusUpdateHandler.obtainMessage(STATUS_UPDATE);
diff --git a/src/org/torproject/android/service/OnBootReceiver.java b/src/org/torproject/android/service/OnBootReceiver.java
index 49c4ab8c..2429c4d6 100644
--- a/src/org/torproject/android/service/OnBootReceiver.java
+++ b/src/org/torproject/android/service/OnBootReceiver.java
@@ -16,8 +16,8 @@ public class OnBootReceiver extends BroadcastReceiver {
 	    Prefs.setContext(context);
 		if (Prefs.startOnBoot())
 		{
-			startService(TorServiceConstants.CMD_START,context);		
-			
+			startService(TorServiceConstants.ACTION_START, context);
+
 			if (Prefs.useVpn())
 				startVpnService(context);
 		}
diff --git a/src/org/torproject/android/service/StartTorReceiver.java b/src/org/torproject/android/service/StartTorReceiver.java
new file mode 100644
index 00000000..c236484b
--- /dev/null
+++ b/src/org/torproject/android/service/StartTorReceiver.java
@@ -0,0 +1,20 @@
+
+package org.torproject.android.service;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.text.TextUtils;
+
+public class StartTorReceiver extends BroadcastReceiver {
+
+    @Override
+    public void onReceive(Context context, Intent intent) {
+        /* sanitize the Intent before forwarding it to TorService */
+        if (TextUtils.equals(intent.getAction(), TorServiceConstants.ACTION_START)) {
+            Intent startTorService = new Intent(context, TorService.class);
+            startTorService.setAction(intent.getAction());
+            context.startService(startTorService);
+        }
+    }
+}
diff --git a/src/org/torproject/android/service/TorService.java b/src/org/torproject/android/service/TorService.java
index 089e2c65..efde5c66 100644
--- a/src/org/torproject/android/service/TorService.java
+++ b/src/org/torproject/android/service/TorService.java
@@ -341,7 +341,7 @@ public class TorService extends Service implements TorServiceConstants, OrbotCon
             String action = mIntent.getAction();
 
             if (action != null) {
-                if (action.equals(CMD_START)) {
+                if (action.equals(ACTION_START)) {
                     startTor();
                     // stopTor() is called when the Service is destroyed
                 } else if (action.equals(CMD_SIGNAL_HUP)) {
diff --git a/src/org/torproject/android/service/TorServiceConstants.java b/src/org/torproject/android/service/TorServiceConstants.java
index c31a6703..96715b6e 100644
--- a/src/org/torproject/android/service/TorServiceConstants.java
+++ b/src/org/torproject/android/service/TorServiceConstants.java
@@ -67,6 +67,7 @@ public interface TorServiceConstants {
     //control port 
     public final static String TOR_CONTROL_PORT_MSG_BOOTSTRAP_DONE = "Bootstrapped 100%";
 
+    public final static String ACTION_START = "org.torproject.android.intent.action.START";
     public final static String ACTION_STATUS = "org.torproject.android.intent.action.STATUS";
     public final static String EXTRA_STATUS = "org.torproject.android.intent.extra.STATUS";
 
@@ -79,7 +80,6 @@ public interface TorServiceConstants {
     public final static String STATUS_STARTING = "STARTING";
     public final static String STATUS_STOPPING = "STOPPING";
 
-    public static final String CMD_START = "start";
     public static final String CMD_SIGNAL_HUP = "signal_hup";
     public static final String CMD_FLUSH = "flush";
     public static final String CMD_NEWNYM = "newnym";