/// <summary>
/// Redirects to the specified URL.
/// </summary>
/// <param name="response">The response to use for redirection.</param>
/// <param name="url">The URL to redirect to.</param>
/// <param name="bypassSecurityWarning">If set to <c>true</c> security warnings will be bypassed.</param>
public void Redirect(HttpResponseBase response, string url, bool bypassSecurityWarning)
{
if (bypassSecurityWarning) {
Logger.Log("Bypassing security warning via a response header and JavaScript.");
url = JsEncodeUrl(url);
// Clear the current response buffer.
response.Clear();
// Add a refresh header to the response for the new path.
response.AddHeader("Refresh", "0;URL=" + url);
// Also, add JavaScript to replace the current location as backup.
response.Write("<html><head><title></title>");
response.Write("<script language=\"javascript\">window.location = '");
response.Write(url);
response.Write("';</script>");
response.Write("</head><body></body></html>");
} else {
Logger.Log("Issuing permanent redirect.");
// Permanent redirect.
// TODO: Make the status code configurable (i.e. permanent vs. temporary).
response.StatusCode = 301;
response.RedirectLocation = url;
}
// End the current response.
response.End();
}
public void Enrich(HttpResponseBase response, HttpRequestBase request, ISecurityEvaluator securityEvaluator, Settings settings)
{
if (!securityEvaluator.IsSecureConnection(request, settings) || !settings.EnableHsts) {
return;
}
// Add the needed STS header.
response.AddHeader("Strict-Transport-Security", string.Format("max-age={0:f0}", settings.HstsMaxAge));
}