public NegotiationResponse Process(HttpContext context, string hubName)
{
var claims = BuildClaims(context);
var request = context.Request;
var originalPath = GetOriginalPath(request.Path);
var provider = _endpointManager.GetEndpointProvider(_router.GetNegotiateEndpoint(context, _endpointManager.GetEndpoints(hubName)));
if (provider == null)
{
return(null);
}
var clientRequestId = _connectionRequestIdProvider.GetRequestId();
var queryString = GetQueryString(_connectionRequestIdProvider, request.QueryString.HasValue ? request.QueryString.Value.Substring(1) : null);
return(new NegotiationResponse
{
Url = provider.GetClientEndpoint(hubName, originalPath, queryString),
AccessToken = provider.GenerateClientAccessToken(hubName, claims, requestId: clientRequestId),
// Need to set this even though it's technically protocol violation https://github.com/aspnet/SignalR/issues/2133
AvailableTransports = new List <AvailableTransport>()
});
}
private string GetQueryString(string originalQueryString)
{
var clientRequestId = _connectionRequestIdProvider.GetRequestId();
if (clientRequestId != null)
{
clientRequestId = WebUtility.UrlEncode(clientRequestId);
}
if (originalQueryString != null)
{
return($"{originalQueryString}&{Constants.QueryParameter.ConnectionRequestId}={clientRequestId}");
}
return($"{Constants.QueryParameter.ConnectionRequestId}={clientRequestId}");
}
private string GetQueryString(string originalQueryString, string cultureName)
{
var clientRequestId = _connectionRequestIdProvider.GetRequestId();
if (clientRequestId != null)
{
clientRequestId = WebUtility.UrlEncode(clientRequestId);
}
var queryString = $"{Constants.QueryParameter.ConnectionRequestId}={clientRequestId}";
if (!string.IsNullOrEmpty(cultureName))
{
queryString += $"&{Constants.QueryParameter.RequestCulture}={cultureName}";
}
return(originalQueryString != null
? $"{originalQueryString}&{queryString}"
: queryString);
}