NomadsReach
16c101a4bc
Adds an admin-protocol client (token-authed TCP JSON on 127.0.0.1:AdminPort, reusing the server's .admin-token) that polls connected players and status every 3s, plus Kick/Ban on the selected player and a players/uptime readout.
68 lines
2.5 KiB
C#
68 lines
2.5 KiB
C#
using System;
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using System.IO;
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using System.Net;
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using System.Net.Sockets;
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using System.Text.Json;
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using System.Text.Json.Nodes;
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using System.Threading;
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using System.Threading.Tasks;
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namespace CommonwealthOnline.Host.Services;
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// Speaks the server's token-authenticated admin protocol on 127.0.0.1:AdminPort:
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// read .admin-token, send {..,"adminToken"}\n, read one newline-terminated JSON reply.
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public sealed class AdminClient
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{
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private const int MaxResponseBytes = 1_000_000;
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private readonly int _port;
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private readonly string _tokenPath;
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public AdminClient(int adminPort, string tokenPath)
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{
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_port = adminPort;
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_tokenPath = tokenPath;
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}
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public async Task<JsonObject?> SendAsync(JsonObject request, CancellationToken ct = default)
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{
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var token = (await File.ReadAllTextAsync(_tokenPath, ct).ConfigureAwait(false)).Trim();
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var authenticated = (JsonObject)request.DeepClone();
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authenticated["adminToken"] = token;
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var payload = JsonSerializer.SerializeToUtf8Bytes(authenticated);
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using var client = new TcpClient();
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await client.ConnectAsync(IPAddress.Loopback, _port, ct).ConfigureAwait(false);
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var stream = client.GetStream();
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await stream.WriteAsync(payload, ct).ConfigureAwait(false);
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await stream.WriteAsync(new byte[] { (byte)'\n' }, ct).ConfigureAwait(false);
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using var buffer = new MemoryStream();
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var one = new byte[1];
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while (buffer.Length < MaxResponseBytes)
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{
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var read = await stream.ReadAsync(one, ct).ConfigureAwait(false);
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if (read == 0 || one[0] == (byte)'\n')
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{
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break;
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}
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buffer.WriteByte(one[0]);
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}
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return JsonNode.Parse(buffer.ToArray()) as JsonObject;
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}
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public Task<JsonObject?> StatusAsync(CancellationToken ct = default) =>
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SendAsync(new JsonObject { ["cmd"] = "status" }, ct);
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public Task<JsonObject?> ClientsAsync(CancellationToken ct = default) =>
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SendAsync(new JsonObject { ["cmd"] = "clients" }, ct);
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public Task<JsonObject?> KickAsync(uint playerId, string reason, CancellationToken ct = default) =>
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SendAsync(new JsonObject { ["cmd"] = "kick", ["playerId"] = playerId, ["reason"] = reason }, ct);
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public Task<JsonObject?> BanAsync(uint playerId, string reason, CancellationToken ct = default) =>
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SendAsync(new JsonObject { ["cmd"] = "ban", ["playerId"] = playerId, ["reason"] = reason }, ct);
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}
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