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//-----------------------------------------------------------------------
// <copyright file="Response.cs" company="Andrew Arnott">
// Copyright (c) Andrew Arnott. All rights reserved.
// </copyright>
//-----------------------------------------------------------------------
namespace DotNetOAuth.Messaging {
using System;
using System.IO;
using System.Net;
using System.Web;
/// <summary>
/// A protocol message (request or response) that passes between Consumer and Service Provider
/// via the user agent using a redirect or form POST submission,
/// OR a direct message response.
/// </summary>
/// <remarks>
/// <para>An instance of this type describes the HTTP response that must be sent
/// in response to the current HTTP request.</para>
/// <para>It is important that this response make up the entire HTTP response.
/// A hosting ASPX page should not be allowed to render its normal HTML output
/// after this response is sent. The normal rendered output of an ASPX page
/// can be canceled by calling <see cref="HttpResponse.End"/> after this message
/// is sent on the response stream.</para>
/// </remarks>
public class Response {
/// <summary>
/// Initializes a new instance of the <see cref="Response"/> class.
/// </summary>
internal Response() {
this.Status = HttpStatusCode.OK;
this.Headers = new WebHeaderCollection();
}
/// <summary>
/// Initializes a new instance of the <see cref="Response"/> class
/// based on the contents of an <see cref="HttpWebResponse"/>.
/// </summary>
/// <param name="response">The <see cref="HttpWebResponse"/> to clone.</param>
internal Response(HttpWebResponse response) {
this.Status = response.StatusCode;
this.Headers = response.Headers;
using (StreamReader reader = new StreamReader(response.GetResponseStream())) {
this.Body = reader.ReadToEnd();
}
}
/// <summary>
/// Gets the headers that must be included in the response to the user agent.
/// </summary>
/// <remarks>
/// The headers in this collection are not meant to be a comprehensive list
/// of exactly what should be sent, but are meant to augment whatever headers
/// are generally included in a typical response.
/// </remarks>
public WebHeaderCollection Headers { get; internal set; }
/// <summary>
/// Gets the body of the HTTP response.
/// </summary>
public string Body { get; internal set; }
/// <summary>
/// Gets the HTTP status code to use in the HTTP response.
/// </summary>
public HttpStatusCode Status { get; internal set; }
/// <summary>
/// Gets or sets a reference to the actual protocol message that
/// is being sent via the user agent.
/// </summary>
internal IProtocolMessage OriginalMessage { get; set; }
/// <summary>
/// Automatically sends the appropriate response to the user agent.
/// Requires a current HttpContext.
/// </summary>
public void Send() {
if (HttpContext.Current == null) {
throw new InvalidOperationException(Strings.CurrentHttpContextRequired);
}
HttpContext.Current.Response.Clear();
HttpContext.Current.Response.StatusCode = (int)this.Status;
MessagingUtilities.ApplyHeadersToResponse(this.Headers, HttpContext.Current.Response);
if (this.Body != null) {
HttpContext.Current.Response.Output.Write(this.Body);
}
HttpContext.Current.Response.End();
}
}
}
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