Decode DHL/NL links

app/src/main/java/eu/faircode/email/UriHelper.java

@@ -330,6 +330,18 @@ public class UriHelper {
             Uri result = (s > 0 ? Uri.parse(path.substring(s + 1)) : null);
             changed = (result != null);
             url = (result == null ? uri : result);
+        } else if (uri.getHost() != null && uri.getHost().equals("go.dhlparcel.nl")) {
+            try {
+                String path = uri.getPath();
+                int s = path.lastIndexOf('/');
+                String b = (s > 0 ? new String(Base64.decode(path.substring(s + 1), Base64.URL_SAFE)) : null);
+                Uri result = (b == null ? null : Uri.parse(b));
+                changed = (result != null);
+                url = (result == null ? uri : result);
+            } catch (Throwable ex) {
+                Log.i(ex);
+                url = uri;
+            }
         } else if (uri.getQueryParameterNames().size() == 1) {
             // Sophos Email Appliance
             Uri result = null;