Files
tbd-station-14/Content.Server/Administration/Systems/BwoinkSystem.cs

368 lines
14 KiB
C#

using System.Linq;
using System.Net.Http;
using System.Text;
using System.Text.Json;
using System.Text.Json.Nodes;
using System.Text.Json.Serialization;
using Content.Server.Administration.Managers;
using Content.Server.GameTicking;
using Content.Server.GameTicking.Events;
using Content.Server.Players;
using Content.Shared.Administration;
using Content.Shared.CCVar;
using JetBrains.Annotations;
using Robust.Server.Player;
using Robust.Shared;
using Robust.Shared.Configuration;
using Robust.Shared.Network;
using Robust.Shared.Utility;
namespace Content.Server.Administration.Systems
{
[UsedImplicitly]
public sealed class BwoinkSystem : SharedBwoinkSystem
{
[Dependency] private readonly IPlayerManager _playerManager = default!;
[Dependency] private readonly IAdminManager _adminManager = default!;
[Dependency] private readonly IConfigurationManager _config = default!;
[Dependency] private readonly IPlayerLocator _playerLocator = default!;
[Dependency] private readonly GameTicker _gameTicker = default!;
private ISawmill _sawmill = default!;
private readonly HttpClient _httpClient = new();
private string _webhookUrl = string.Empty;
private string _footerIconUrl = string.Empty;
private string _avatarUrl = string.Empty;
private string _serverName = string.Empty;
private readonly Dictionary<NetUserId, (string id, string username, string messages, string? characterName)> _relayMessages = new();
private readonly Dictionary<NetUserId, Queue<string>> _messageQueues = new();
private readonly HashSet<NetUserId> _processingChannels = new();
// Max embed description length is 4096, according to https://discord.com/developers/docs/resources/channel#embed-object-embed-limits
// Keep small margin, just to be safe
private const ushort DescriptionMax = 4000;
private int _maxAdditionalChars;
public override void Initialize()
{
base.Initialize();
_config.OnValueChanged(CCVars.DiscordAHelpWebhook, OnWebhookChanged, true);
_config.OnValueChanged(CCVars.DiscordAHelpFooterIcon, OnFooterIconChanged, true);
_config.OnValueChanged(CCVars.DiscordAHelpAvatar, OnAvatarChanged, true);
_config.OnValueChanged(CVars.GameHostName, OnServerNameChanged, true);
_sawmill = IoCManager.Resolve<ILogManager>().GetSawmill("AHELP");
_maxAdditionalChars = GenerateAHelpMessage("", "", true).Length;
SubscribeLocalEvent<RoundStartingEvent>(RoundStarting);
}
private void RoundStarting(RoundStartingEvent ev)
{
_relayMessages.Clear();
}
private void OnServerNameChanged(string obj)
{
_serverName = obj;
}
public override void Shutdown()
{
base.Shutdown();
_config.UnsubValueChanged(CCVars.DiscordAHelpWebhook, OnWebhookChanged);
_config.UnsubValueChanged(CCVars.DiscordAHelpFooterIcon, OnFooterIconChanged);
_config.UnsubValueChanged(CVars.GameHostName, OnServerNameChanged);
}
private void OnWebhookChanged(string obj)
{
_webhookUrl = obj;
}
private void OnFooterIconChanged(string url)
{
_footerIconUrl = url;
}
private void OnAvatarChanged(string url)
{
_avatarUrl = url;
}
private async void ProcessQueue(NetUserId channelId, Queue<string> messages)
{
if (!_relayMessages.TryGetValue(channelId, out var oldMessage) || messages.Sum(x => x.Length + 2) + oldMessage.messages.Length > DescriptionMax)
{
var lookup = await _playerLocator.LookupIdAsync(channelId);
if (lookup == null)
{
_sawmill.Log(LogLevel.Error, $"Unable to find player for netuserid {channelId} when sending discord webhook.");
_relayMessages.Remove(channelId);
return;
}
var characterName = _playerManager.GetPlayerData(channelId).ContentData()?.Mind?.CharacterName;
oldMessage = (string.Empty, lookup.Username, string.Empty, characterName);
}
while (messages.TryDequeue(out var message))
{
oldMessage.messages += $"\n{message}";
}
var payload = GeneratePayload(oldMessage.messages, oldMessage.username, oldMessage.characterName);
if (oldMessage.id == string.Empty)
{
var request = await _httpClient.PostAsync($"{_webhookUrl}?wait=true",
new StringContent(JsonSerializer.Serialize(payload), Encoding.UTF8, "application/json"));
var content = await request.Content.ReadAsStringAsync();
if (!request.IsSuccessStatusCode)
{
_sawmill.Log(LogLevel.Error, $"Discord returned bad status code when posting message (perhaps the message is too long?): {request.StatusCode}\nResponse: {content}");
_relayMessages.Remove(channelId);
return;
}
var id = JsonNode.Parse(content)?["id"];
if (id == null)
{
_sawmill.Log(LogLevel.Error, $"Could not find id in json-content returned from discord webhook: {content}");
_relayMessages.Remove(channelId);
return;
}
oldMessage.id = id.ToString();
}
else
{
var request = await _httpClient.PatchAsync($"{_webhookUrl}/messages/{oldMessage.id}",
new StringContent(JsonSerializer.Serialize(payload), Encoding.UTF8, "application/json"));
if (!request.IsSuccessStatusCode)
{
var content = await request.Content.ReadAsStringAsync();
_sawmill.Log(LogLevel.Error, $"Discord returned bad status code when patching message (perhaps the message is too long?): {request.StatusCode}\nResponse: {content}");
_relayMessages.Remove(channelId);
return;
}
}
_relayMessages[channelId] = oldMessage;
_processingChannels.Remove(channelId);
}
private WebhookPayload GeneratePayload(string messages, string username, string? characterName = null)
{
// Add character name
if (characterName != null)
username += $" ({characterName})";
// If no admins are online, set embed color to red. Otherwise green
var color = GetTargetAdmins().Count > 0 ? 0x41F097 : 0xFF0000;
// Limit server name to 1500 characters, in case someone tries to be a little funny
var serverName = _serverName[..Math.Min(_serverName.Length, 1500)];
// If the round ID is 0, it most likely means we are in the lobby
var round = _gameTicker.RoundId == 0 ? "lobby" : $"round {_gameTicker.RoundId}";
return new WebhookPayload
{
Username = username,
AvatarUrl = _avatarUrl,
Embeds = new List<Embed>
{
new Embed
{
Description = messages,
Color = color,
Footer = new EmbedFooter
{
Text = $"{serverName} ({round})",
IconUrl = _footerIconUrl,
},
},
},
};
}
public override void Update(float frameTime)
{
base.Update(frameTime);
foreach (var channelId in _messageQueues.Keys.ToArray())
{
if (_processingChannels.Contains(channelId))
continue;
var queue = _messageQueues[channelId];
_messageQueues.Remove(channelId);
if (queue.Count == 0)
continue;
_processingChannels.Add(channelId);
ProcessQueue(channelId, queue);
}
}
protected override void OnBwoinkTextMessage(BwoinkTextMessage message, EntitySessionEventArgs eventArgs)
{
base.OnBwoinkTextMessage(message, eventArgs);
var senderSession = (IPlayerSession) eventArgs.SenderSession;
// TODO: Sanitize text?
// Confirm that this person is actually allowed to send a message here.
var personalChannel = senderSession.UserId == message.ChannelId;
var senderAdmin = _adminManager.GetAdminData(senderSession);
var senderAHelpAdmin = senderAdmin?.HasFlag(AdminFlags.Adminhelp) ?? false;
var authorized = personalChannel || senderAHelpAdmin;
if (!authorized)
{
// Unauthorized bwoink (log?)
return;
}
var escapedText = FormattedMessage.EscapeText(message.Text);
var bwoinkText = senderAdmin switch
{
var x when x is not null && x.Flags == AdminFlags.Adminhelp =>
$"[color=purple]{senderSession.Name}[/color]: {escapedText}",
var x when x is not null && x.HasFlag(AdminFlags.Adminhelp) =>
$"[color=red]{senderSession.Name}[/color]: {escapedText}",
_ => $"{senderSession.Name}: {escapedText}",
};
var msg = new BwoinkTextMessage(message.ChannelId, senderSession.UserId, bwoinkText);
LogBwoink(msg);
var admins = GetTargetAdmins();
// Notify all admins
foreach (var channel in admins)
{
RaiseNetworkEvent(msg, channel);
}
// Notify player
if (_playerManager.TryGetSessionById(message.ChannelId, out var session))
{
if (!admins.Contains(session.ConnectedClient))
RaiseNetworkEvent(msg, session.ConnectedClient);
}
var sendsWebhook = _webhookUrl != string.Empty;
if (sendsWebhook)
{
if (!_messageQueues.ContainsKey(msg.ChannelId))
_messageQueues[msg.ChannelId] = new Queue<string>();
var str = message.Text;
var unameLength = senderSession.Name.Length;
if (unameLength + str.Length + _maxAdditionalChars > DescriptionMax)
{
str = str[..(DescriptionMax - _maxAdditionalChars - unameLength)];
}
_messageQueues[msg.ChannelId].Enqueue(GenerateAHelpMessage(senderSession.Name, str, !personalChannel, admins.Count == 0));
}
if (admins.Count != 0)
return;
// No admin online, let the player know
var systemText = sendsWebhook ?
Loc.GetString("bwoink-system-starmute-message-no-other-users-webhook") :
Loc.GetString("bwoink-system-starmute-message-no-other-users");
var starMuteMsg = new BwoinkTextMessage(message.ChannelId, SystemUserId, systemText);
RaiseNetworkEvent(starMuteMsg, senderSession.ConnectedClient);
}
// Returns all online admins with AHelp access
private IList<INetChannel> GetTargetAdmins()
{
return _adminManager.ActiveAdmins
.Where(p => _adminManager.GetAdminData(p)?.HasFlag(AdminFlags.Adminhelp) ?? false)
.Select(p => p.ConnectedClient)
.ToList();
}
private static string GenerateAHelpMessage(string username, string message, bool admin, bool noReceivers = false)
{
var stringbuilder = new StringBuilder();
if (admin)
stringbuilder.Append(":outbox_tray:");
else if (noReceivers)
stringbuilder.Append(":sos:");
else
stringbuilder.Append(":inbox_tray:");
stringbuilder.Append($" **{username}:** ");
stringbuilder.Append(message);
return stringbuilder.ToString();
}
// https://discord.com/developers/docs/resources/channel#message-object-message-structure
private struct WebhookPayload
{
[JsonPropertyName("username")]
public string Username { get; set; } = "";
[JsonPropertyName("avatar_url")]
public string AvatarUrl { get; set; } = "";
[JsonPropertyName("embeds")]
public List<Embed>? Embeds { get; set; } = null;
[JsonPropertyName("allowed_mentions")]
public Dictionary<string, string[]> AllowedMentions { get; set; } =
new()
{
{ "parse", Array.Empty<string>() },
};
public WebhookPayload() { }
}
// https://discord.com/developers/docs/resources/channel#embed-object-embed-structure
private struct Embed
{
[JsonPropertyName("description")]
public string Description { get; set; } = "";
[JsonPropertyName("color")]
public int Color { get; set; } = 0;
[JsonPropertyName("footer")]
public EmbedFooter? Footer { get; set; } = null;
public Embed()
{
}
}
// https://discord.com/developers/docs/resources/channel#embed-object-embed-footer-structure
private struct EmbedFooter
{
[JsonPropertyName("text")]
public string Text { get; set; } = "";
[JsonPropertyName("icon_url")]
public string IconUrl { get; set; } = "";
public EmbedFooter()
{
}
}
}
}