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using System;
using System.Collections.Specialized;
using System.Text;
using System.Net;
using System.Web;
using System.Diagnostics;
namespace DotNetOpenId {
/// <summary>
/// A response to an OpenID request in terms the host web site can forward to the user agent.
/// </summary>
class Response : IResponse {
/// <param name="code">The HTTP status code.</param>
/// <param name="headers">The collection of any HTTP headers that should be included. Cannot be null, but can be an empty collection.</param>
/// <param name="body">The payload of the response, if any. Cannot be null, but can be an empty array.</param>
/// <param name="encodableMessage">
/// Used to assist testing to decipher the field contents of a Response.
/// </param>
internal Response(HttpStatusCode code, WebHeaderCollection headers, byte[] body, IEncodable encodableMessage) {
if (headers == null) throw new ArgumentNullException("headers");
if (body == null) throw new ArgumentNullException("body");
Debug.Assert(encodableMessage != null, "For testing, this is useful to have.");
Code = code;
Headers = headers ?? new WebHeaderCollection();
Body = body;
EncodableMessage = encodableMessage;
}
public HttpStatusCode Code { get; private set; }
public WebHeaderCollection Headers { get; private set; }
public byte[] Body { get; private set; }
internal IEncodable EncodableMessage { get; private set; }
/// <summary>
/// Sends this response to the user agent or OpenId consumer.
/// Execution of the current page terminates after this call.
/// </summary>
/// <remarks>
/// This method requires a current ASP.NET HttpContext.
/// </remarks>
public void Send() {
if (HttpContext.Current == null) throw new InvalidOperationException(Strings.CurrentHttpContextRequired);
HttpContext.Current.Response.Clear();
HttpContext.Current.Response.StatusCode = (int)Code;
foreach (string headerName in Headers)
HttpContext.Current.Response.AddHeader(headerName, Headers[headerName]);
if (Body != null && Body.Length > 0) {
HttpContext.Current.Response.OutputStream.Write(Body, 0, Body.Length);
HttpContext.Current.Response.OutputStream.Flush();
}
HttpContext.Current.Response.OutputStream.Close();
HttpContext.Current.Response.End();
}
}
}
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