// virtual to allow mocking
public virtual Task <NegotiationResponse> GetNegotiationResponse(IHttpClient httpClient, IConnection connection, string connectionData)
{
if (httpClient == null)
{
throw new ArgumentNullException("httpClient");
}
if (connection == null)
{
throw new ArgumentNullException("connection");
}
var negotiateUrl = UrlBuilder.BuildNegotiate(connection, connectionData);
httpClient.Initialize(connection);
return(httpClient.Get(negotiateUrl, connection.PrepareRequest, isLongRunning: false)
.Then(response => response.ReadAsString())
.Then(raw =>
{
if (String.IsNullOrEmpty(raw))
{
throw new InvalidOperationException(String.Format(CultureInfo.CurrentCulture, Resources.Error_ServerNegotiationFailed));
}
return JsonConvert.DeserializeObject <NegotiationResponse>(raw);
}));
}
public virtual async Task <NegotiationResponse> GetNegotiationResponse(IHttpClient httpClient, IConnection connection, string connectionData)
{
if (httpClient == null)
{
throw new ArgumentNullException("httpClient");
}
if (connection == null)
{
throw new ArgumentNullException("connection");
}
var negotiateUrl = UrlBuilder.BuildNegotiate(connection, connectionData);
httpClient.Initialize(connection);
var response = await httpClient.Get(negotiateUrl, connection.PrepareRequest, isLongRunning : false);
if (response == null)
{
throw new InvalidOperationException(String.Format(CultureInfo.CurrentCulture, "Error_ServerNegotiationFailed"));
}
else
{
var result = await response.ReadAsString();
if (string.IsNullOrEmpty(result))
{
throw new InvalidOperationException(String.Format(CultureInfo.CurrentCulture, "Error_ServerNegotiationFailed"));
}
return(JsonConvert.DeserializeObject <NegotiationResponse>(result));
}
}
// virtual to allow mocking
public virtual Task <NegotiationResponse> GetNegotiationResponse(IHttpClient httpClient, IConnection connection, string connectionData)
{
if (httpClient == null)
{
throw new ArgumentNullException("httpClient");
}
if (connection == null)
{
throw new ArgumentNullException("connection");
}
var negotiateUrl = UrlBuilder.BuildNegotiate(connection, connectionData);
httpClient.Initialize(connection);
return(httpClient.Get(negotiateUrl, connection.PrepareRequest, isLongRunning: false)
.Then(response => response.ReadAsString())
.Then(raw =>
{
if (String.IsNullOrEmpty(raw))
{
throw new InvalidOperationException(String.Format(CultureInfo.CurrentCulture, Resources.Error_ServerNegotiationFailed));
}
// We need to parse it into a JObject first so that we can check if this is an ASP.NET Core SignalR server
var jobj = JObject.Parse(raw);
if (jobj.Property("availableTransports") != null)
{
// This is ASP.NET Core!
throw new InvalidOperationException(Resources.Error_AspNetCoreServerDetected);
}
return jobj.ToObject <NegotiationResponse>();
}));
}