feat(vncscreen component): added missing handling for serververificat…

[blackcow1987]

…ion event

Looking at the example code of novnc, it was developed to handle the serververification event when using RA2ne authentication, but react-vnc lacks the corresponding code, so it was added.

        UI.rfb.addEventListener("serververification", UI.serverVerify);

https://github.com/novnc/noVNC/blob/master/app/ui.js#L1085

    async serverVerify(e) {
        const type = e.detail.type;
        if (type === 'RSA') {
            const publickey = e.detail.publickey;
            let fingerprint = await window.crypto.subtle.digest("SHA-1", publickey);
            // The same fingerprint format as RealVNC
            fingerprint = Array.from(new Uint8Array(fingerprint).slice(0, 8)).map(
                x => x.toString(16).padStart(2, '0')).join('-');
            document.getElementById('noVNC_verify_server_dlg').classList.add('noVNC_open');
            document.getElementById('noVNC_fingerprint').innerHTML = fingerprint;
        }
    },

https://github.com/novnc/noVNC/blob/master/app/ui.js#L1214

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[blackcow1987]

I have found that RSA type connections fail if this event is not handled. I found this issue while testing with RealVNC. I will solve the conflicts :)

[roerohan]

I have found that RSA type connections fail if this event is not handled. I found this issue while testing with RealVNC. I will solve the conflicts :)

Awesome, thanks a lot for your contribution!