47 lines
1.5 KiB
C#
47 lines
1.5 KiB
C#
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using System;
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using Fleck.Handlers;
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namespace Fleck
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{
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public class HandlerFactory
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{
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public static IHandler BuildHandler(WebSocketHttpRequest request, Action<string> onMessage, Action onClose, Action<byte[]> onBinary, Action<byte[]> onPing, Action<byte[]> onPong)
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{
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var version = GetVersion(request);
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switch (version)
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{
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case "76":
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return Draft76Handler.Create(request, onMessage);
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case "7":
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case "8":
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case "13":
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return Hybi13Handler.Create(request, onMessage, onClose, onBinary, onPing, onPong);
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case "policy-file-request":
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return FlashSocketPolicyRequestHandler.Create(request);
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}
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throw new WebSocketException(WebSocketStatusCodes.UnsupportedDataType);
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}
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public static string GetVersion(WebSocketHttpRequest request)
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{
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string version;
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if (request.Headers.TryGetValue("Sec-WebSocket-Version", out version))
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return version;
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if (request.Headers.TryGetValue("Sec-WebSocket-Draft", out version))
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return version;
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if (request.Headers.ContainsKey("Sec-WebSocket-Key1"))
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return "76";
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if ((request.Body != null) && request.Body.ToLower().Contains("policy-file-request"))
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return "policy-file-request";
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return "75";
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}
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}
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}
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