public async Task ProcessRequestAsync(HttpContext context)
{
string[] parts = context.Request.Path.Split(new char[] { '/' }, System.StringSplitOptions.RemoveEmptyEntries);
if (parts.Length == 1)
{
string channel = parts[0];
if (context.Request.IsWebSocketRequest)
{
// accept the web socket and process it
await context.AcceptWebSocketRequestAsync(new MonitorClient(this, channel));
}
else
{
if ((context.Request.Method == "POST") && (parts.Length == 1))
{
JsonValue json = await context.Request.ReadAsJsonAsync();
if (SendMessage(channel, json))
{
context.Response.StatusCode = 200;
}
else
{
context.Response.StatusCode = 404;
}
}
}
}
}
public async Task ProcessRequestAsync(HttpContext context)
{
if (context.Request.IsWebSocketRequest)
{
// accept the web socket and process it
await context.AcceptWebSocketRequestAsync(new EchoClient());
}
}
//public WebSocketServerChannel(HttpListenerWebSocketContext context, WebSocketConfig config, CancellationToken token)
//{
// Id = "ws-" + Guid.NewGuid().ToString();
// this.token = token;
// this.IsEncrypted = context.RequestUri.Scheme == "wss";
// this.IsAuthenticated = HttpHelper.HttpContext.User.Identity.IsAuthenticated;
// this.handler = new WebSocketHandler(config, token);
// this.handler.OnReceive += Handler_OnReceive;
// this.handler.OnError += Handler_OnError;
// this.handler.OnOpen += Handler_OnOpen;
// this.handler.OnClose += Handler_OnClose;
//}
public WebSocketServerChannel(HttpContext context, WebSocketConfig config, CancellationToken token)
{
Id = "ws-" + Guid.NewGuid().ToString();
this.config = config;
this.token = token;
this.IsEncrypted = context.Request.Scheme == "wss";
this.IsAuthenticated = context.User.Identity.IsAuthenticated;
this.handler = new WebSocketHandler(config, token);
this.handler.OnReceive += Handler_OnReceive;
this.handler.OnError += Handler_OnError;
this.handler.OnOpen += Handler_OnOpen;
this.handler.OnClose += Handler_OnClose;
Task task = Task.Factory.StartNew(async() =>
{
await Task.Delay(100);
this.socket = await context.AcceptWebSocketRequestAsync(this.handler);
});
Task.WhenAll(task);
}
public override async Task ProcessRequestAsync(HttpContext context)
{
string[] parts = context.Request.Path.Split(new char[] { '/' }, System.StringSplitOptions.RemoveEmptyEntries);
long id = 0;
// WS /[id] monitor a user messages
if ((context.Request.IsWebSocketRequest) && (parts.Length == 1))
{
Rights.EnsureCanMonitorUser(context, parts[0]);
string user = parts[0];
MessageClient client = new MessageClient(this, user);
await context.AcceptWebSocketRequestAsync(client);
//
}
// GET /[id] get a message
else if ((context.Request.Method == "GET") && (parts.Length == 1) && (long.TryParse(parts[0], out id)))
{
JsonValue json = GetMessage(id);
context.Response.Headers["cache-control"] = "no-cache, must-revalidate";
if (json == null)
{
context.Response.StatusCode = 404;
}
else
{
Rights.EnsureCanReadMessage(context, json["origin"], json["destination"]);
context.Response.StatusCode = 200;
context.Response.Content = new JsonContent(json);
}
}
// GET /?user=[user_id]&with=[user_id]&limit=[limit]
else if ((context.Request.Method == "GET") && (context.Request.Path == "/") && context.Request.QueryString.ContainsKey("user"))
{
string user = context.Request.QueryString["user"];
string with = null;
if (context.Request.QueryString.ContainsKey("with"))
{
with = context.Request.QueryString["with"];
}
Rights.EnsureCanReadMessage(context, user, with);
Rights.EnsureCanReadMessage(context, with, user);
int limit = 1000;
if (context.Request.QueryString.ContainsKey("limit"))
{
limit = Convert.ToInt32(context.Request.QueryString["limit"]);
}
context.Response.StatusCode = 200;
context.Response.Headers["cache-control"] = "no-cache, must-revalidate";
context.Response.Content = new JsonContent(SearchMessages(user, with, limit));
}
// POST /?destination=[destination]&origin=[origin]
// content: { destination: [destination], origin: [origin], type: [type], content: [content] }
else if ((context.Request.Method == "POST") && (context.Request.Path == "/"))
{
JsonValue json = context.Request.ReadAsJson();
if (context.Request.QueryString.ContainsKey("destination"))
{
json["destination"] = context.Request.QueryString["destination"];
}
if (context.Request.QueryString.ContainsKey("origin"))
{
json["origin"] = context.Request.QueryString["origin"];
}
if (!json.ContainsKey("type"))
{
json["type"] = "message";
}
Rights.EnsureCanCreateMessage(context, json["origin"], json["destination"]);
context.Response.StatusCode = 200;
context.Response.Headers["cache-control"] = "no-cache, must-revalidate";
context.Response.Content = new JsonContent(SendMessage(json));
}
// PUT /[id]
else if ((context.Request.Method == "PUT") && (parts.Length == 1) && (long.TryParse(parts[0], out id)))
{
JsonValue json = GetMessage(id);
Rights.EnsureCanUpdateMessage(context, json["origin"], json["destination"]);
context.Response.Headers["cache-control"] = "no-cache, must-revalidate";
json = MarkSeenMessage(id);
if (json == null)
{
context.Response.StatusCode = 404;
}
else
{
context.Response.StatusCode = 200;
context.Response.Content = new JsonContent(json);
}
}
// DELETE /[id] delete a message
else if ((context.Request.Method == "DELETE") && (parts.Length == 1) && (long.TryParse(parts[0], out id)))
{
JsonValue json = GetMessage(id);
Rights.EnsureCanDeleteMessage(context, json["origin"], json["destination"]);
context.Response.Headers["cache-control"] = "no-cache, must-revalidate";
if (DeleteMessage(id))
{
context.Response.StatusCode = 200;
}
else
{
context.Response.StatusCode = 404;
}
}
}
