53 lines
1.6 KiB
C#
53 lines
1.6 KiB
C#
using System;
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using System.Collections.Specialized;
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using System.Globalization;
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using System.Net;
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using System.Text;
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namespace EmbedIO.Net.Internal
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{
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internal class WebSocketHandshakeResponse
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{
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private const int HandshakeStatusCode = (int)HttpStatusCode.SwitchingProtocols;
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internal WebSocketHandshakeResponse(IHttpContext context)
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{
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ProtocolVersion = HttpVersion.Version11;
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Headers = context.Response.Headers;
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Headers.Clear(); // Use only headers mentioned in RFC6455 - scrap all the rest.
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StatusCode = HandshakeStatusCode;
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Reason = HttpListenerResponseHelper.GetStatusDescription(HandshakeStatusCode);
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Headers[HttpHeaderNames.Upgrade] = "websocket";
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Headers[HttpHeaderNames.Connection] = "Upgrade";
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foreach (var cookie in context.Request.Cookies)
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{
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Headers.Add("Set-Cookie", cookie.ToString());
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}
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}
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public string Reason { get; }
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public int StatusCode { get; }
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public NameValueCollection Headers { get; }
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public Version ProtocolVersion { get; }
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public override string ToString()
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{
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var output = new StringBuilder(64)
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.AppendFormat(CultureInfo.InvariantCulture, "HTTP/{0} {1} {2}\r\n", ProtocolVersion, StatusCode, Reason);
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foreach (var key in Headers.AllKeys)
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{
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_ = output.AppendFormat(CultureInfo.InvariantCulture, "{0}: {1}\r\n", key, Headers[key]);
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}
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_ = output.Append("\r\n");
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return output.ToString();
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}
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}
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} |