Add external API with security.

1 files changed, 58 insertions, 0 deletions

diff --git a/src/de/blinkt/openvpn/api/ExternalAppDatabase.java b/src/de/blinkt/openvpn/api/ExternalAppDatabase.java
new file mode 100644
index 00000000..ca348152
--- /dev/null
+++ b/src/de/blinkt/openvpn/api/ExternalAppDatabase.java
@@ -0,0 +1,58 @@
+package de.blinkt.openvpn.api;
+
+import java.util.HashSet;
+import java.util.Set;
+
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.content.SharedPreferences.Editor;
+import android.preference.PreferenceManager;
+
+public class ExternalAppDatabase {
+
+	Context mContext;
+	
+	public ExternalAppDatabase(Context c) {
+		mContext =c;
+	}
+
+	private final String PREFERENCES_KEY = "PREFERENCES_KEY";
+
+	boolean isAllowed(String packagename) {
+		Set<String> allowedapps = getExtAppList();
+
+		return allowedapps.contains(packagename); 
+
+	}
+
+	Set<String> getExtAppList() {
+		SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(mContext);        
+		Set<String> allowedapps = prefs.getStringSet(PREFERENCES_KEY, new HashSet<String>());
+		return allowedapps;
+	}
+
+	void addApp(String packagename)
+	{
+		Set<String> allowedapps = getExtAppList();
+		allowedapps.add(packagename);
+		saveExtAppList(allowedapps);
+	}
+
+	private void saveExtAppList( Set<String> allowedapps) {
+		SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(mContext);        
+		Editor prefedit = prefs.edit();
+		prefedit.putStringSet(PREFERENCES_KEY, allowedapps);
+		prefedit.apply();
+	}
+	
+	void clearAllApiApps() {
+		saveExtAppList(new HashSet<String>());
+	}
+
+	public void removeApp(String packagename) {
+		Set<String> allowedapps = getExtAppList();
+		allowedapps.remove(packagename);
+		saveExtAppList(allowedapps);		
+	}
+
+}