/// <summary>
/// This function return the default error page as Application Response.
/// </summary>
/// <param name="request"></param>
/// <param name="ex"></param>
/// <returns></returns>
public static ApplicationResponse Generate404Page(HttpRequest request, string bodyMessage,string pageHeader,string title="Error Page")
{
//Check if the defaultPage exist
if (!File.Exists(HttpApplicationManager.RootDirectory + "\\" + HttpApplicationManager.DefaultPage))
{
//No data to sent back so the connection will be close.
return new ApplicationResponse(request) { Action = ResponseAction.Disconnect };
}
//Get the file
byte[] page = Helper.GetFile(HttpApplicationManager.RootDirectory + "\\" + HttpApplicationManager.DefaultPage);
string page_str = new String(Encoding.UTF8.GetChars(page));
//fill the page with exception information
page_str = page_str.Replace("<%ws_title%>", title);
page_str = page_str.Replace("<%ws_domain%>", HttpApplicationManager.CurrentDomain + ":" + HttpApplicationManager.ServicePort);
page_str = page_str.Replace("<%ws_header%>", pageHeader);
page_str = page_str.Replace("<%ws_message%>", bodyMessage);
page = Encoding.UTF8.GetBytes(page_str);
//Get the pageHeader
byte[] binheader = GetHeader(page.Length,MimeType.text_html,true,false);
//build the response
byte[] completeResponse = binheader.Concat(page);
ApplicationResponse response = new HttpResponse(completeResponse, request);
return response;
}
/// <summary>
/// This method try to find a resource in a ResourceDirectory path and return a response.
/// </summary>
/// <param name="request"></param>
/// <returns></returns>
public ApplicationResponse ResponseStaticResource(HttpRequest request)
{
string resource = request.Path;
ApplicationResponse output = null;
if (resource[0] != '/') resource = "/" + resource;
//Get resource mime type
MimeType type = HttpHelper.GetResourceMime(resource);
//Check if Gzip compression is enable
bool gzip = request.isGZIPSupported();
//Get a file
byte[] file = Helper.GetFile(RootDirectory + request.Path);
if (file != null)
{
//compress data id Gzip is supported
file = gzip ? HttpHelper.CompressGZIP(file) : file;
//get a pageHeader
byte[] header = HttpHelper.GetHeader(file.Length, type, true, gzip);
//build the complete response
byte[] response = header.Concat(file);
//create the response
output = new HttpResponse(response, request);
}
else
{
//file not found: return 404 response
output = new HttpResponse(HttpHelper.GetHtml404Header(0, type), request);
}
return output;
}
