Changeset 16341

Timestamp:

12/06/18 17:10:16 (5 years ago)

Author:

gkronber

Message:

#2964: programmatically unblock (remove Zone.Identifier alternative stream) displayModelFrame.html

File:

• trunk/HeuristicLab.Problems.DataAnalysis.Symbolic.Views/3.4/Plugin.cs.frame (modified) (2 diffs)

trunk/HeuristicLab.Problems.DataAnalysis.Symbolic.Views/3.4/Plugin.cs.frame

@@ -24 +24 @@
 using System.Text;
 using HeuristicLab.PluginInfrastructure;
+using System.Runtime.InteropServices;
+using System.IO;
 
 namespace HeuristicLab.Problems.DataAnalysis.Symbolic.Views {
@@ -47 +49 @@
   [PluginDependency("HeuristicLab.Problems.DataAnalysis.Symbolic", "3.4")]
   public class HeuristicLabProblemsDataAnalysisSymbolicViewsPlugin : PluginBase {
+    // HeuristicLab is marked with zone identifier 'Internet' after download.
+    // This propagates to all extracted files and can be checked in the file properties.
+    // IE prevents execution of MathJax JavaScript inside of untrusted html
+    // Therefore we need to programmatically unblock the displayModelFrame.html file before extracting.
+    // see http://engram404.net/programmatically-unblocking-downloaded-files/
+
+    // for removing the Zone.Identifier alternative NTFS stream (effectively unblocking the file)
+    [DllImport("kernel32.dll", SetLastError = true)]
+    private static extern bool DeleteFile(string lpFileName);
+
+    public override void OnLoad() {
+      base.OnLoad();
+
+      // unblock mathjax.zip () 
+      DeleteFile(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "displayModelFrame.html:Zone.Identifier"));
+    }
   }
 }