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[URGENT]: Cookies contianing some special characters crash the WatsonWebsocketServer

See original GitHub issue

I’ve been experimenting the whole day and this is the result. If the client has a cookie that includes some special characters, the following error occurs and the server stops:

[WatsonWsServer] listener exception:
System.ArgumentException: Specified value has invalid Control characters. (Parameter 'value')
   at System.Net.HttpValidationHelpers.CheckBadHeaderValueChars(String value)
   at System.Net.WebHeaderCollection.Add(String name, String value)
   at Interop.HttpApi.GetHeaders(IntPtr memoryBlob, IntPtr originalAddress)
   at System.Net.HttpListenerRequest.get_Headers()
   at System.Net.HttpListenerRequest.get_IsWebSocketRequest()
   at WatsonWebsocket.WatsonWsServer.AcceptConnections(CancellationToken cancelToken)

I’m sorry, I can’t provide a list containing all these special characters

P.S.: Also it would be so awesome if a ClientMetadata could have the clientside cookies. It would make for example loginToken checking much easier and efficient.

Issue Analytics

State:
Created 7 months ago
Comments:7 (6 by maintainers)

Top GitHub Comments

1reaction

jchristncommented, Feb 24, 2023

Thanks @WarstekHUN I wish I could implement changes in the underlay that this library uses. Hopefully at least in this case the server doesn’t crash on you 😃 Cheers! PS thank you so much for letting me know!

1reaction

jchristncommented, Feb 24, 2023

Hi @WarstekHUN I just published v4.0.8 which has a fix in the AcceptConnections method to not exit when such a situation is encountered. Please re-open if the issue persists or you encounter another problem! Also added you to the README.

NuGet: https://www.nuget.org/packages/WatsonWebsocket/4.0.8 Commit: https://github.com/jchristn/WatsonWebsocket/commit/df03318326d31bd4c8fb2ef92455e247ef4cf947

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