FiddlerScript for HTTPS Proxy to Localhost Application

HTTPS-Proxy-Localhost-Application.blob

// I use this to hijack AJAX requests to subdomains of the site that rely on CORS to function. I want the host
// names to look like they are from the same host but swap out a local server for testing.


// Add this if-statement to the OnBeforeRequest method. It ignores CONNECT methods to allow HTTPS handshake.
// All other requests will be redirected to localhost over HTTP.

if (!oSession.HTTPMethodIs("CONNECT") && oSession.HostnameIs("my.public.site.com"))
{
  oSession.host = "localhost:10010"
  oSession.oRequest.headers.UriScheme = "http";
}


// Add this if-statement to the OnBeforeResponse method. For any responses from the localhost server we swap
// out the host value for the expected host value so the browser thinks all is well.

if (oSession.host.Equals("localhost:10010"))
{
  oSession.host = "my.public.site.com:443";
}