1 files changed, 41 insertions, 0 deletions
diff --git a/main/src/main/java/de/blinkt/openvpn/api/ExternalAppDatabase.java b/main/src/main/java/de/blinkt/openvpn/api/ExternalAppDatabase.java
index 967d7728..e87b4c3a 100644
--- a/main/src/main/java/de/blinkt/openvpn/api/ExternalAppDatabase.java
+++ b/main/src/main/java/de/blinkt/openvpn/api/ExternalAppDatabase.java
@@ -5,9 +5,14 @@
 
 package de.blinkt.openvpn.api;
 
+import android.app.Activity;
 import android.content.Context;
+import android.content.Intent;
 import android.content.SharedPreferences;
 import android.content.SharedPreferences.Editor;
+import android.content.pm.ApplicationInfo;
+import android.content.pm.PackageManager;
+import android.os.Binder;
 
 import java.util.HashSet;
 import java.util.Set;
@@ -64,4 +69,40 @@ public class ExternalAppDatabase {
 		saveExtAppList(allowedapps);		
 	}
 
+
+	public String checkOpenVPNPermission(PackageManager pm) throws SecurityRemoteException {
+
+		for (String appPackage : getExtAppList()) {
+			ApplicationInfo app;
+			try {
+				app = pm.getApplicationInfo(appPackage, 0);
+				if (Binder.getCallingUid() == app.uid) {
+					return appPackage;
+				}
+			} catch (PackageManager.NameNotFoundException e) {
+				// App not found. Remove it from the list
+				removeApp(appPackage);
+			}
+
+		}
+		throw new SecurityException("Unauthorized OpenVPN API Caller");
+	}
+
+
+	public boolean checkRemoteActionPermission(Activity a) {
+
+		String callingPackage = a.getCallingPackage();
+
+		if (callingPackage == null)
+			callingPackage = ConfirmDialog.ANONYMOUS_PACKAGE;
+
+		if (isAllowed(callingPackage)) {
+			return true;
+		} else {
+			Intent confirmDialog = new Intent(a, ConfirmDialog.class);
+			confirmDialog.putExtra(ConfirmDialog.EXTRA_PACKAGE_NAME, callingPackage);
+			a.startActivity(confirmDialog);
+			return false;
+		}
+	}
 }