public async Task <NegotiationResponse> NegotiateAsync(string hubName, NegotiationOptions negotiationOptions, CancellationToken cancellationToken = default)
{
negotiationOptions ??= NegotiationOptions.Default;
var httpContext = negotiationOptions.HttpContext;
var userId = negotiationOptions.UserId;
var claims = negotiationOptions.Claims;
var isDiagnosticClient = negotiationOptions.IsDiagnosticClient;
var enableDetailedErrors = negotiationOptions.EnableDetailedErrors;
var lifetime = negotiationOptions.TokenLifetime;
try
{
if (cancellationToken == default && httpContext != null)
{
cancellationToken = httpContext.RequestAborted;
}
var candidateEndpoints = _serviceEndpointManager.GetEndpoints(hubName);
var selectedEndpoint = _router.GetNegotiateEndpoint(httpContext, candidateEndpoints);
var provider = _serviceEndpointManager.GetEndpointProvider(selectedEndpoint);
Func <IEnumerable <Claim> > claimProvider = null;
if (claims != null)
{
claimProvider = () => claims;
}
var claimsWithUserId = ClaimsUtility.BuildJwtClaims(httpContext?.User, userId: userId, claimProvider, enableDetailedErrors: enableDetailedErrors, isDiagnosticClient: isDiagnosticClient);
var tokenTask = provider.GenerateClientAccessTokenAsync(hubName, claimsWithUserId, lifetime);
await tokenTask.OrTimeout(cancellationToken, Timeout, GeneratingTokenTaskDescription);
return(new NegotiationResponse
{
Url = provider.GetClientEndpoint(hubName, null, null),
AccessToken = tokenTask.Result
});
}
catch (Exception e) when(e is OperationCanceledException || e is TimeoutException)
{
throw new AzureSignalRException(ErrorMsg, e);
}
}
public override ValueTask <NegotiationResponse> NegotiateAsync(NegotiationOptions negotiationOptions = null, CancellationToken cancellationToken = default) => _baseHubContext.NegotiateAsync(negotiationOptions, cancellationToken);
public override Task <NegotiationResponse> NegotiateAsync(NegotiationOptions options, CancellationToken cancellationToken)
{
return(_negotiateProcessor.NegotiateAsync(_hubName, options, cancellationToken));
}
/// <summary> /// Performs a negotiation operation asynchronously that routes a client to a Azure SignalR instance. /// </summary> /// <returns>A negotiation response object that contains an endpoint url and an access token for the client to connect to the Azure SignalR instance. </returns> public abstract ValueTask <NegotiationResponse> NegotiateAsync(NegotiationOptions negotiationOptions = null, CancellationToken cancellationToken = default);
/// <summary> /// Performs a negotiation operation asynchronously that routes a client to a Azure SignalR instance. /// </summary> /// <returns>A negotiation response object that contains an endpoint url and an access token for the client to connect to the Azure SignalR instance. </returns> public virtual Task <NegotiationResponse> NegotiateAsync(NegotiationOptions negotiationOptions = null, CancellationToken cancellationToken = default) => throw new NotImplementedException();
/// <summary> /// Performs a negotiation operation asynchronously that routes a client to a Azure SignalR instance. /// </summary> /// <returns>A negotiation response object that contains an endpoint url and an access token for the client to connect to the Azure SignalR instance. </returns> public virtual Task <NegotiationResponse> NegotiateAsync(NegotiationOptions negotiationOptions = null, CancellationToken cancellationToken = default) => null;
