SignalR Hawk authentication

nuget.ps1

Install-Package Pysco68.SignalR.HawkClient

server.cs

// setup hawk authentication
var options = new Options()
{
    /* ... */
    CredentialsCallback = (id) => /* routine to check credentials */
};

app.UseHawkAuthentication(new HawkAuthenticationOptions(options));

// map SignalR hubs
app.MapSignalR();

usage.cs

var hubConnection = new HubConnection(url);

/* ...Hub registration here... */

var credential = = new Credential
{
    Id = "id",
    Key = key,
    Algorithm = SupportedAlgorithms.SHA256,
    User = "user"
};

var httpClient = new HawkHttpClient(credential);
await hubConnection.Start(httpClient);