// Chooses the correct caption based on the accept headers
// Chrome and FF send "application/png"
private void SetViewAsButtonCaption()
{
var accept = this.Request.Headers["Accept"];
var formats = new string[] { "application/xml", "text/xml", "image/png" };
var format = ContentNegotiationHelper.GetBestMatch(accept, formats);
if (format.Equals("image/png"))
{
this.ViewAsButtonCaption = "Image";
}
else
{
this.ViewAsButtonCaption = "Xml";
}
}
protected void Page_Init(object sender, EventArgs e)
{
AuthenticationMode eAuthenticationMode = AuthenticationMode.None;
string strSid = "";
AuthenticationSection objAuthenticationSection = ConfigurationManager.GetSection("system.web/authentication") as AuthenticationSection;
if (objAuthenticationSection != null)
{
eAuthenticationMode = objAuthenticationSection.Mode;
}
if (eAuthenticationMode == AuthenticationMode.Forms)
{
if (HttpContext.Current.User.Identity.IsAuthenticated == false)
{
Uri baseUrl = new Uri(Request.Url, Request.FilePath + "/..");
Response.Redirect(baseUrl.ToString() + "default.aspx?ReturnUrl=../WebFeed.aspx");
}
TSFormAuthTicketInfo objTSFormAuthTicketInfo = new TSFormAuthTicketInfo(HttpContext.Current);
strSid = objTSFormAuthTicketInfo.UserSid;
//
// TODO: Need to correctly call this
//
//Response.Write("\nshowWorkspaceNotification();");
}
HttpContext.Current.Response.AppendHeader("Vary", "Accept");
FeedXmlVersion xmlVersion;
string contentType;
ContentNegotiationHelper.GetPreferredXmlVersion(out xmlVersion, out contentType);
// downlevel requests cannot specify a folder
if (xmlVersion == FeedXmlVersion.Win7 &&
Request.PathInfo.Length != 0)
{
Response.StatusCode = 404;
Response.End();
}
HttpContext.Current.Response.ContentType = contentType;
string rdpRenderMode = HttpContext.Current.Request.Params.Get("rdpRender");
bool rdpEmbed = !String.IsNullOrEmpty(rdpRenderMode) && rdpRenderMode.Trim().ToLower(CultureInfo.InvariantCulture).Equals("inline");
try
{
WebFeed tswf = new WebFeed(rdpEmbed ? RdpType.Both : RdpType.Link);
oXML = tswf.GenerateFeed(strSid, xmlVersion, Request.PathInfo, true);
}
catch (WorkspaceUnknownFolderException)
{
Response.StatusCode = 404;
Response.End();
}
catch (WorkspaceUnavailableException wue)
{
// This exception is raised when we cannot contact the appropriate sources to obtain the workspace information.
// This is an edge case that can ocurr e.g. if the cpub server we're pointing to is down.
Response.StatusCode = 503;
// Write a simple text error string to the body, so that if an administrator happens to be accessing the feed via a browser, we can point them in the right direction
// We need to wrap this in some sort of tags, otherwise IE does not display the message (since it expects an XML content-type)
Response.Write("<Error>" + wue.Message + "</Error>");
Response.End();
}
}
