From 01e40b1a843326036425727355550dba8bd66335 Mon Sep 17 00:00:00 2001
From: cyBerta <cyberta@riseup.net>
Date: Sun, 24 Oct 2021 16:47:12 +0200
Subject: cancel tor and provider setup on pressing back button

---
 .../se/leap/bitmaskclient/eip/EipSetupObserver.java    |  3 +--
 .../providersetup/ProviderApiManagerBase.java          | 16 ++++++++++------
 .../activities/ProviderSetupBaseActivity.java          |  4 ++--
 .../se/leap/bitmaskclient/tor/TorStatusObservable.java | 18 ++++++++++++++++++
 4 files changed, 31 insertions(+), 10 deletions(-)

diff --git a/app/src/main/java/se/leap/bitmaskclient/eip/EipSetupObserver.java b/app/src/main/java/se/leap/bitmaskclient/eip/EipSetupObserver.java
index 23fbdc0c..203885a1 100644
--- a/app/src/main/java/se/leap/bitmaskclient/eip/EipSetupObserver.java
+++ b/app/src/main/java/se/leap/bitmaskclient/eip/EipSetupObserver.java
@@ -368,8 +368,7 @@ public class EipSetupObserver extends BroadcastReceiver implements VpnStatus.Sta
         observedProfileFromVpnStatus = null;
         this.changingGateway.set(changingGateway);
         if (TorStatusObservable.getStatus() != OFF) {
-            Intent intent = new Intent(context, TorService.class);
-            context.stopService(intent);
+            TorStatusObservable.shutdownTor(context);
         }
     }
 
diff --git a/app/src/main/java/se/leap/bitmaskclient/providersetup/ProviderApiManagerBase.java b/app/src/main/java/se/leap/bitmaskclient/providersetup/ProviderApiManagerBase.java
index 6e07e84b..bc173b36 100644
--- a/app/src/main/java/se/leap/bitmaskclient/providersetup/ProviderApiManagerBase.java
+++ b/app/src/main/java/se/leap/bitmaskclient/providersetup/ProviderApiManagerBase.java
@@ -192,11 +192,12 @@ public abstract class ProviderApiManagerBase {
         }
 
         // uncomment for testing --v
-        /* try {
+         try {
             startTorProxy();
         } catch (InterruptedException | TimeoutException e) {
             e.printStackTrace();
-        } */
+            return;
+        }
 
         Bundle result = new Bundle();
         switch (action) {
@@ -302,6 +303,9 @@ public abstract class ProviderApiManagerBase {
         ) {
             serviceCallback.startTorService();
             waitForTorCircuits();
+            if (TorStatusObservable.isCancelled()) {
+                throw new InterruptedException("cancelled Tor setup");
+            }
             int port = serviceCallback.getTorHttpTunnelPort();
             TorStatusObservable.setProxyPort(port);
             return port != -1;
@@ -314,17 +318,17 @@ public abstract class ProviderApiManagerBase {
             return;
         }
         CountDownLatch countDownLatch = new CountDownLatch(1);
-        AtomicBoolean successfulSetup = new AtomicBoolean(false);
+        AtomicBoolean stopWaiting = new AtomicBoolean(false);
         Observer observer = (o, arg) -> {
-            if (TorStatusObservable.getStatus() == ON) {
-                successfulSetup.set(true);
+            if (TorStatusObservable.getStatus() == ON || TorStatusObservable.isCancelled()) {
+                stopWaiting.set(true);
                 countDownLatch.countDown();
             }
         };
         TorStatusObservable.getInstance().addObserver(observer);
         countDownLatch.await(180, TimeUnit.SECONDS);
         TorStatusObservable.getInstance().deleteObserver(observer);
-        if (!successfulSetup.get()) {
+        if (!stopWaiting.get()) {
             throw new TimeoutException("Timeout reached");
         }
     }
diff --git a/app/src/main/java/se/leap/bitmaskclient/providersetup/activities/ProviderSetupBaseActivity.java b/app/src/main/java/se/leap/bitmaskclient/providersetup/activities/ProviderSetupBaseActivity.java
index e4569c51..6395c7ae 100644
--- a/app/src/main/java/se/leap/bitmaskclient/providersetup/activities/ProviderSetupBaseActivity.java
+++ b/app/src/main/java/se/leap/bitmaskclient/providersetup/activities/ProviderSetupBaseActivity.java
@@ -170,8 +170,8 @@ public abstract class ProviderSetupBaseActivity extends ConfigWizardBaseActivity
 
     public void cancelSettingUpProvider(boolean stopTor) {
         if (stopTor && TorStatusObservable.getStatus() != OFF) {
-            Intent torServiceIntent = new Intent(getApplicationContext(), TorService.class);
-            stopService(torServiceIntent);
+            Log.d(TAG, "SHUTDOWN - cancelSettingUpProvider stopTor:" + stopTor);
+            TorStatusObservable.shutdownTor(this);
         }
         providerConfigState = PROVIDER_NOT_SET;
         provider = null;
diff --git a/app/src/main/java/se/leap/bitmaskclient/tor/TorStatusObservable.java b/app/src/main/java/se/leap/bitmaskclient/tor/TorStatusObservable.java
index 281b21c0..fb7e4d93 100644
--- a/app/src/main/java/se/leap/bitmaskclient/tor/TorStatusObservable.java
+++ b/app/src/main/java/se/leap/bitmaskclient/tor/TorStatusObservable.java
@@ -1,10 +1,13 @@
 package se.leap.bitmaskclient.tor;
 
 import android.content.Context;
+import android.content.Intent;
 import android.util.Log;
 
 import androidx.annotation.Nullable;
 
+import org.torproject.jni.TorService;
+
 import java.util.Observable;
 import java.util.Vector;
 
@@ -22,6 +25,8 @@ public class TorStatusObservable extends Observable {
         UNKOWN
     }
 
+    private boolean cancelled = false;
+
     public static final String LOG_TAG_TOR = "[TOR]";
     public static final String LOG_TAG_SNOWFLAKE = "[SNOWFLAKE]";
 
@@ -97,6 +102,7 @@ public class TorStatusObservable extends Observable {
 
             if (getInstance().status == TorStatus.OFF) {
                 getInstance().torNotificationManager.cancelNotifications(context);
+                getInstance().cancelled = false;
             } else {
                 if (logKey != null) {
                     getInstance().lastTorLog = getStringFor(context, logKey);
@@ -195,4 +201,16 @@ public class TorStatusObservable extends Observable {
         }
         return null;
     }
+
+    public static void shutdownTor(Context context) {
+        getInstance().cancelled = true;
+        getInstance().notifyObservers();
+
+        Intent intent = new Intent(context, TorService.class);
+        boolean stopped = context.stopService(intent);
+    }
+
+    public static boolean isCancelled() {
+        return getInstance().cancelled;
+    }
 }
-- 
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