block unnecessary access for in-app functionality

Author: roninopf

iterableapi/src/main/java/com/iterable/iterableapi/IterableWebView.java

@@ -44,6 +44,12 @@ public void onProgressChanged(WebView view, int newProgress) {
         getSettings().setLoadWithOverviewMode(true);
         getSettings().setUseWideViewPort(true);
 
+        // disallow unnecessary access
+        getSettings().setAllowFileAccess(false);
+        getSettings().setAllowFileAccessFromFileURLs(false);
+        getSettings().setAllowUniversalAccessFromFileURLs(false);
+        getSettings().setAllowContentAccess(false);
+
         //resize:
         getSettings().setJavaScriptEnabled(true);
     }