Implement multi-network downloads

Downloads should use the default network for the caller. This prevents
applications from, for example, bypassing VPN by routing all requests
through the DownloadProvider.

Bug: 27074270
Change-Id: I7830226dd2910757d3a5c78f373330f84637ccfa

1 files changed, 8 insertions, 0 deletions

diff --git a/src/com/android/providers/downloads/RealSystemFacade.java b/src/com/android/providers/downloads/RealSystemFacade.java
index b3f170fb..48df2a09 100644
--- a/src/com/android/providers/downloads/RealSystemFacade.java
+++ b/src/com/android/providers/downloads/RealSystemFacade.java
@@ -26,6 +26,7 @@ import android.content.pm.PackageInfo;
 import android.content.pm.PackageManager;
 import android.content.pm.PackageManager.NameNotFoundException;
 import android.net.ConnectivityManager;
+import android.net.Network;
 import android.net.NetworkInfo;
 import android.telephony.TelephonyManager;
 import android.util.Log;
@@ -59,6 +60,13 @@ class RealSystemFacade implements SystemFacade {
     }
 
     @Override
+    public Network getActiveNetwork(int uid) {
+        ConnectivityManager connectivity =
+                (ConnectivityManager) mContext.getSystemService(Context.CONNECTIVITY_SERVICE);
+        return connectivity.getActiveNetworkForUid(uid);
+    }
+
+    @Override
     public boolean isActiveNetworkMetered() {
         final ConnectivityManager conn = ConnectivityManager.from(mContext);
         return conn.isActiveNetworkMetered();