44 lines
1.5 KiB
C#
44 lines
1.5 KiB
C#
// Copyright (c) .NET Foundation. All rights reserved.
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// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
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using System;
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using System.Threading.Tasks;
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using System.Collections.Generic;
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using System.Collections.Concurrent;
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using Microsoft.AspNetCore.Authorization;
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using Microsoft.AspNetCore.SignalR;
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namespace ChatSample.Hubs
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{
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// TODO: Make this work
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[Authorize]
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public class Chat : Hub
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{
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private static readonly ConcurrentDictionary<string, string> usersOnline = new ConcurrentDictionary<string, string>();
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public override async Task OnConnectedAsync()
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{
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if (!Context.User.Identity.IsAuthenticated)
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{
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Context.Connection.Dispose();
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}
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await Clients.Client(Context.ConnectionId).InvokeAsync("SetUsersOnline", usersOnline);
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usersOnline.TryAdd(Context.ConnectionId, Context.User.Identity.Name);
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await Clients.All.InvokeAsync("OnConnected", Context.ConnectionId, Context.User.Identity.Name);
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}
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public override Task OnDisconnectedAsync(Exception ex)
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{
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usersOnline.TryRemove(Context.ConnectionId, out var value);
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return Clients.All.InvokeAsync("OnDisconnected", Context.ConnectionId, Context.User.Identity.Name);
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}
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public async Task Send(string message)
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{
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await Clients.All.InvokeAsync("Send", Context.User.Identity.Name, message);
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}
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}
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}
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