public static void Send(ApplicationConfig applicationConfig, Message message)
{
var templateRestUrl = "{0}://{1}.{2}.eventsockets.com/?applicationKey={3}&version=" + applicationConfig.Version;
var envelopeString = message.Sign(applicationConfig).ToJson();
HttpWebRequest httpWebRequest = null;
HttpWebResponse httpWebResponse = null;
Stream httpWebRequestStream = null;
try
{
System.Net.ServicePointManager.Expect100Continue = false;
var buffer = Encoding.UTF8.GetBytes(envelopeString);
httpWebRequest = (HttpWebRequest)WebRequest.Create(String.Format(templateRestUrl, (!applicationConfig.Secure ? "http" : "https"), (!applicationConfig.Secure ? "api" : "apis"), applicationConfig.ClusterKey, applicationConfig.ApplicationKey));
httpWebRequest.Method = "POST";
httpWebRequest.ContentType = "application/json";
httpWebRequest.ContentLength = buffer.Length;
httpWebRequestStream = httpWebRequest.GetRequestStream();
httpWebRequestStream.Write(buffer, 0, buffer.Length);
httpWebRequestStream.Close();
httpWebResponse = (HttpWebResponse)httpWebRequest.GetResponse();
}
finally
{
if (httpWebRequestStream != null)
{
httpWebRequestStream.Dispose();
}
if (httpWebResponse != null)
{
httpWebResponse.Close();
}
}
}
// In this authentication example everyone gets authenticated by default, in production mode you would verify the
// user by a session cookie or any other method to identify the user to either accept or deny the connection.
protected void Page_Load(object sender, EventArgs e)
{
// Fetch applicationKey and socketId
var applicationKey = Request.QueryString["applicationKey"];
var socketId = Request.QueryString["socketId"];
// Construct a message for your authentication response
var message = new Message();
// Add current timestamp to the message (which is mandatory when signing envelope)
message.MessageData.Add("auth.unixtime", Convert.ToInt32((DateTime.UtcNow - new DateTime(1970, 1, 1, 0, 0, 0, 0, DateTimeKind.Utc)).TotalSeconds).ToString());
// Construct a messageArg
var messageArg = new MessageArg("server", "channel", "connection", "authenticate");
// Append socket.id
messageArg.EventData.Add("socket.id", socketId);
// Append socket.uuid
// In this example we echo the socket.id, normally you would pass your unique id for the current user, eg. primary key or username from your database
messageArg.EventData.Add("socket.uuid", socketId);
// Add messageArg to message
message.MessageArgs.Add(messageArg);
// Setup an ApplicationConfig using your own keys (defined in web.config)
var applicationConfig = new ApplicationConfig(
ConfigurationManager.AppSettings["ClusterKey"],
ConfigurationManager.AppSettings["ApplicationKey"],
ConfigurationManager.AppSettings["SignatureKey"],
false
);
// To allow the request you need to send the correct http status code (any other code than 202 will automatically deny the request, even if the signed envelope is valid)
Response.StatusCode = 202;
// Write the signed JSON envelope to page output
Response.Write(message.Sign(applicationConfig).ToJson());
}
protected void Page_Load(object sender, EventArgs e)
{
// Get application key
var applicationKey = Request.QueryString["applicationKey"];
// Get HTTP POST stream containing the JSON envelope request
var httpPostStream = new System.IO.StreamReader(Request.InputStream);
// Deserialize envelope from HTTP POST stream
var requestEnvelope = Envelope.FromJson(httpPostStream.ReadToEnd());
// Deserialize message from envelope
var requestMessage = Message.FromJson(requestEnvelope.Message);
// Prepare a message to be sent in response
var responseMessage = new Message();
// Add current timestamp to the message (which is mandatory when signing envelope)
responseMessage.MessageData.Add("auth.unixtime", Convert.ToInt32((DateTime.UtcNow - new DateTime(1970, 1, 1, 0, 0, 0, 0, DateTimeKind.Utc)).TotalSeconds).ToString());
// Iterate each subscription request
foreach (var requestMessageArg in requestMessage.MessageArgs)
{
var socketId = requestMessageArg.EventData["socket.id"];
var socketUUID = requestMessageArg.EventData["socket.uuid"];
var channelPrefix = requestMessageArg.ChannelPrefix;
var channelName = requestMessageArg.ChannelName;
var eventPrefix = requestMessageArg.EventPrefix;
var eventName = requestMessageArg.EventName;
// Make sure that messageArg is a channel subscription request
if (eventPrefix == "channel" && eventName == "subscribe")
{
// Construct a messageArg
var responseMessageArg = new MessageArg(channelPrefix, channelName, eventPrefix, eventName);
// Append socketId, no need to send socket.uuid)
responseMessageArg.EventData.Add("socket.id", socketId);
// In this example any subscription requests are allowed (set to false or ignore adding key/value to deny)
responseMessageArg.EventData.Add("channel.subscription", "true");
switch (channelPrefix.ToLower())
{
case "public":
// Public channel subscriptions will never be sent out as channel subscription request do not need any authentication.
// If client subscribes to a public and private channel at the same time only the private channel request will be sent
// to the subscription endpoint
case "private":
// Allow subscriber to trigger events within the request channel (set to false or ignore adding key/value to deny)
responseMessageArg.EventData.Add("channel.trigger", "true");
break;
case "presence":
// Allow subscriber to trigger events within the requested channel (set to false or ignore adding key/value to deny)
responseMessageArg.EventData.Add("channel.trigger", "true");
// Describe the subscriber (socket.id is echoed in this example, in real life you might send a JSON object with username, email etc..)
responseMessageArg.EventData.Add("socket.data", socketId);
break;
}
// Add messageArg to response message
responseMessage.MessageArgs.Add(responseMessageArg);
}
}
// Setup an ApplicationConfig using your own keys (defined in web.config)
var applicationConfig = new ApplicationConfig(
ConfigurationManager.AppSettings["ClusterKey"],
ConfigurationManager.AppSettings["ApplicationKey"],
ConfigurationManager.AppSettings["SignatureKey"],
false
);
// Write the signed JSON envelope to the output stream with correct status code and content-type
Response.StatusCode = 202;
Response.AddHeader("Content-Type", "application/json");
Response.Write(responseMessage.Sign(applicationConfig).ToJson());
Response.End();
}