internal Task WriteMetadataDocument(IOwinContext context)
{
var encoding = Encoding.UTF8;
string encodingStr = null;
try {
encodingStr = context.Request.Query.Get("encoding");
if (!string.IsNullOrEmpty(encodingStr)) {
encoding = Encoding.GetEncoding(encodingStr);
context.Response.Headers["Content-Encoding"] = encoding.ToString();
}
}
catch (ArgumentException ex) {
logger.ErrorFormat(ErrorMessages.UnknownEncoding, encodingStr);
throw new ArgumentException(string.Format(ErrorMessages.UnknownEncoding, encodingStr), ex);
}
var sign = true;
var param = context.Request.Query.Get("sign");
if (!string.IsNullOrEmpty(param)) {
if (!bool.TryParse(param, out sign)) {
throw new ArgumentException(ErrorMessages.MetadataSignQueryParameterInvalid);
}
}
context.Response.ContentType = "text/xml"; //Saml20Constants.MetadataMimetype; - that will prompt a download
var filename = context.Request.Query.Get("file");
if (!string.IsNullOrWhiteSpace(filename))
context.Response.Headers["Content-Disposition"] = string.Format("attachment; filename=\"{0}\"", filename);
var metautil = new MetadataUtils(configuration, logger);
return context.Response.WriteAsync(metautil.CreateMetadataDocument(encoding, sign));
}
/// <summary>
/// Enables processing of HTTP Web requests by a custom HttpHandler that implements the <see cref="T:System.Web.IHttpHandler"/> interface.
/// </summary>
/// <param name="context">An <see cref="T:System.Web.HttpContext"/> object that provides references to the intrinsic server objects (for example, Request, Response, Session, and Server) used to service HTTP requests.</param>
public override void ProcessRequest(HttpContext context)
{
var encoding = context.Request.QueryString["encoding"];
try
{
if (!string.IsNullOrEmpty(encoding))
{
context.Response.ContentEncoding = Encoding.GetEncoding(encoding);
}
}
catch (ArgumentException ex)
{
Logger.ErrorFormat(ErrorMessages.UnknownEncoding, encoding);
throw new ArgumentException(string.Format(ErrorMessages.UnknownEncoding, encoding), ex);
}
var sign = true;
var param = context.Request.QueryString["sign"];
if (!string.IsNullOrEmpty(param))
{
if (!bool.TryParse(param, out sign))
{
throw new ArgumentException(ErrorMessages.MetadataSignQueryParameterInvalid);
}
}
context.Response.ContentType = Saml20Constants.MetadataMimetype;
context.Response.AddHeader("Content-Disposition", "attachment; filename=\"metadata.xml\"");
var metautil = new MetadataUtils(ConfigurationFactory.Instance.Configuration, Logger);
context.Response.Write(metautil.CreateMetadataDocument(context.Response.ContentEncoding, sign));
context.Response.End();
}