Linus Groh e17dfb9da0 std.http.WebSocket: Make 'upgrade: websocket' check case-insensitive ...

I've seen implementations in the wild that send 'Upgrade: WebSocket',
which currently fails the handshake.

From https://datatracker.ietf.org/doc/html/rfc6455:

"If the response lacks an |Upgrade| header field or the |Upgrade| header
field contains a value that is not an ASCII case-insensitive match for
the value "websocket", the client MUST _Fail the WebSocket Connection_."

2024-09-12 20:02:19 -07:00

7.8 KiB

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