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Diffstat (limited to 'ExampleBots/ModerationBot/ModerationBot.cs')
| -rw-r--r-- | ExampleBots/ModerationBot/ModerationBot.cs | 275 |
1 files changed, 275 insertions, 0 deletions
diff --git a/ExampleBots/ModerationBot/ModerationBot.cs b/ExampleBots/ModerationBot/ModerationBot.cs new file mode 100644 index 0000000..79b05bf --- /dev/null +++ b/ExampleBots/ModerationBot/ModerationBot.cs @@ -0,0 +1,275 @@ +using System.Security.Cryptography; +using System.Text.RegularExpressions; +using ArcaneLibs.Extensions; +using LibMatrix; +using LibMatrix.EventTypes.Spec; +using LibMatrix.EventTypes.Spec.State; +using LibMatrix.Helpers; +using LibMatrix.Homeservers; +using LibMatrix.Responses; +using LibMatrix.RoomTypes; +using LibMatrix.Services; +using LibMatrix.Utilities.Bot.Interfaces; +using ModerationBot.AccountData; +using ModerationBot.StateEventTypes; +using Microsoft.Extensions.Hosting; +using Microsoft.Extensions.Logging; +using ModerationBot.StateEventTypes.Policies; + +namespace ModerationBot; + +public class ModerationBot(AuthenticatedHomeserverGeneric hs, ILogger<ModerationBot> logger, ModerationBotConfiguration configuration, + HomeserverResolverService hsResolver, PolicyEngine engine) : IHostedService { + private readonly IEnumerable<ICommand> _commands; + + private Task _listenerTask; + + // private GenericRoom _policyRoom; + private GenericRoom _logRoom; + private GenericRoom _controlRoom; + + /// <summary>Triggered when the application host is ready to start the service.</summary> + /// <param name="cancellationToken">Indicates that the start process has been aborted.</param> + public async Task StartAsync(CancellationToken cancellationToken) { + _listenerTask = Run(cancellationToken); + logger.LogInformation("Bot started!"); + } + + private async Task Run(CancellationToken cancellationToken) { + if (Directory.Exists("bot_data/cache")) + Directory.GetFiles("bot_data/cache").ToList().ForEach(File.Delete); + + BotData botData; + + try { + logger.LogInformation("Fetching bot account data..."); + botData = await hs.GetAccountDataAsync<BotData>("gay.rory.moderation_bot_data"); + logger.LogInformation("Got bot account data..."); + } + catch (Exception e) { + logger.LogInformation("Could not fetch bot account data... {}", e.Message); + if (e is not MatrixException { ErrorCode: "M_NOT_FOUND" }) { + logger.LogError("{}", e.ToString()); + throw; + } + + botData = null; + } + + botData = await FirstRunTasks.ConstructBotData(hs, configuration, botData); + + // _policyRoom = hs.GetRoom(botData.PolicyRoom ?? botData.ControlRoom); + _logRoom = hs.GetRoom(botData.LogRoom ?? botData.ControlRoom); + _controlRoom = hs.GetRoom(botData.ControlRoom); + foreach (var configurationAdmin in configuration.Admins) { + var pls = await _controlRoom.GetPowerLevelsAsync(); + pls.SetUserPowerLevel(configurationAdmin, pls.GetUserPowerLevel(hs.UserId)); + await _controlRoom.SendStateEventAsync(RoomPowerLevelEventContent.EventId, pls); + } + var syncHelper = new SyncHelper(hs); + + List<string> admins = new(); + +#pragma warning disable CS4014 // Because this call is not awaited, execution of the current method continues before the call is completed + Task.Run(async () => { + while (!cancellationToken.IsCancellationRequested) { + var controlRoomMembers = _controlRoom.GetMembersAsync(); + await foreach (var member in controlRoomMembers) { + if ((member.TypedContent as RoomMemberEventContent)? + .Membership == "join") admins.Add(member.StateKey); + } + + await Task.Delay(TimeSpan.FromMinutes(5), cancellationToken); + } + }, cancellationToken); +#pragma warning restore CS4014 // Because this call is not awaited, execution of the current method continues before the call is completed + + syncHelper.InviteReceivedHandlers.Add(async Task (args) => { + var inviteEvent = + args.Value.InviteState.Events.FirstOrDefault(x => + x.Type == "m.room.member" && x.StateKey == hs.UserId); + logger.LogInformation("Got invite to {RoomId} by {Sender} with reason: {Reason}", args.Key, inviteEvent!.Sender, + (inviteEvent.TypedContent as RoomMemberEventContent)!.Reason); + await _logRoom.SendMessageEventAsync(MessageFormatter.FormatSuccess($"Bot invited to {MessageFormatter.HtmlFormatMention(args.Key)} by {MessageFormatter.HtmlFormatMention(inviteEvent.Sender)}")); + if (admins.Contains(inviteEvent.Sender)) { + try { + await _logRoom.SendMessageEventAsync(MessageFormatter.FormatSuccess($"Joining {MessageFormatter.HtmlFormatMention(args.Key)}...")); + var senderProfile = await hs.GetProfileAsync(inviteEvent.Sender); + await hs.GetRoom(args.Key).JoinAsync(reason: $"I was invited by {senderProfile.DisplayName ?? inviteEvent.Sender}!"); + } + catch (Exception e) { + logger.LogError("{}", e.ToString()); + await _logRoom.SendMessageEventAsync(MessageFormatter.FormatException("Could not join room", e)); + await hs.GetRoom(args.Key).LeaveAsync(reason: "I was unable to join the room: " + e); + } + } + }); + + syncHelper.TimelineEventHandlers.Add(async @event => { + var room = hs.GetRoom(@event.RoomId); + try { + logger.LogInformation( + "Got timeline event in {}: {}", @event.RoomId, @event.ToJson(indent: true, ignoreNull: true)); + + if (@event != null && ( + @event.GetType.IsAssignableTo(typeof(BasePolicy)) + || @event.GetType.IsAssignableTo(typeof(PolicyRuleEventContent)) + )) + await engine.ReloadActivePolicyListById(@event.RoomId); + + var rules = await engine.GetMatchingPolicies(@event); + foreach (var matchedRule in rules) { + await _logRoom.SendMessageEventAsync(MessageFormatter.FormatSuccessJson( + $"{MessageFormatter.HtmlFormatMessageLink(eventId: @event.EventId, roomId: room.RoomId, displayName: "Event")} matched {MessageFormatter.HtmlFormatMessageLink(eventId: @matchedRule.OriginalEvent.EventId, roomId: matchedRule.PolicyList.Room.RoomId, displayName: "rule")}", @matchedRule.OriginalEvent.RawContent)); + } + + if (configuration.DemoMode) { + // foreach (var matchedRule in rules) { + // await room.SendMessageEventAsync(MessageFormatter.FormatSuccessJson( + // $"{MessageFormatter.HtmlFormatMessageLink(eventId: @event.EventId, roomId: room.RoomId, displayName: "Event")} matched {MessageFormatter.HtmlFormatMessageLink(eventId: @matchedRule.EventId, roomId: matchedRule.RoomId, displayName: "rule")}", @matchedRule.RawContent)); + // } + return; + } +// +// if (@event is { Type: "m.room.message", TypedContent: RoomMessageEventContent message }) { +// if (message is { MessageType: "m.image" }) { +// //check media +// // var matchedPolicy = await CheckMedia(@event); +// var matchedPolicy = rules.FirstOrDefault(); +// if (matchedPolicy is null) return; +// var matchedpolicyData = matchedPolicy.TypedContent as MediaPolicyEventContent; +// await _logRoom.SendMessageEventAsync( +// new RoomMessageEventContent( +// body: +// $"User {MessageFormatter.HtmlFormatMention(@event.Sender)} posted an image in {MessageFormatter.HtmlFormatMention(room.RoomId)} that matched rule {matchedPolicy.StateKey}, applying action {matchedpolicyData.Recommendation}, as described in rule: {matchedPolicy.RawContent!.ToJson(ignoreNull: true)}", +// messageType: "m.text") { +// Format = "org.matrix.custom.html", +// FormattedBody = +// $"<font color=\"#FFFF00\">User {MessageFormatter.HtmlFormatMention(@event.Sender)} posted an image in {MessageFormatter.HtmlFormatMention(room.RoomId)} that matched rule {matchedPolicy.StateKey}, applying action {matchedpolicyData.Recommendation}, as described in rule: <pre>{matchedPolicy.RawContent!.ToJson(ignoreNull: true)}</pre></font>" +// }); +// switch (matchedpolicyData.Recommendation) { +// case "warn_admins": { +// await _controlRoom.SendMessageEventAsync( +// new RoomMessageEventContent( +// body: $"{string.Join(' ', admins)}\nUser {MessageFormatter.HtmlFormatMention(@event.Sender)} posted a banned image {message.Url}", +// messageType: "m.text") { +// Format = "org.matrix.custom.html", +// FormattedBody = $"{string.Join(' ', admins.Select(u => MessageFormatter.HtmlFormatMention(u)))}\n" + +// $"<font color=\"#FF0000\">User {MessageFormatter.HtmlFormatMention(@event.Sender)} posted a banned image <a href=\"{message.Url}\">{message.Url}</a></font>" +// }); +// break; +// } +// case "warn": { +// await room.SendMessageEventAsync( +// new RoomMessageEventContent( +// body: $"Please be careful when posting this image: {matchedpolicyData.Reason ?? "No reason specified"}", +// messageType: "m.text") { +// Format = "org.matrix.custom.html", +// FormattedBody = +// $"<font color=\"#FFFF00\">Please be careful when posting this image: {matchedpolicyData.Reason ?? "No reason specified"}</a></font>" +// }); +// break; +// } +// case "redact": { +// await room.RedactEventAsync(@event.EventId, matchedpolicyData.Reason ?? "No reason specified"); +// break; +// } +// case "spoiler": { +// // <blockquote> +// // <a href=\"https://matrix.to/#/@emma:rory.gay\">@emma:rory.gay</a><br> +// // <a href=\"https://codeberg.org/crimsonfork/CN\"></a> +// // <font color=\"#dc143c\" data-mx-color=\"#dc143c\"> +// // <b>CN</b> +// // </font>: +// // <a href=\"https://the-apothecary.club/_matrix/media/v3/download/rory.gay/sLkdxUhipiQaFwRkXcPSRwdg\">test</a><br> +// // <span data-mx-spoiler=\"\"><a href=\"https://the-apothecary.club/_matrix/media/v3/download/rory.gay/sLkdxUhipiQaFwRkXcPSRwdg\"> +// // <img src=\"mxc://rory.gay/sLkdxUhipiQaFwRkXcPSRwdg\" height=\"69\"></a> +// // </span> +// // </blockquote> +// await room.SendMessageEventAsync( +// new RoomMessageEventContent( +// body: +// $"Please be careful when posting this image: {matchedpolicyData.Reason}, I have spoilered it for you:", +// messageType: "m.text") { +// Format = "org.matrix.custom.html", +// FormattedBody = +// $"<font color=\"#FFFF00\">Please be careful when posting this image: {matchedpolicyData.Reason}, I have spoilered it for you:</a></font>" +// }); +// var imageUrl = message.Url; +// await room.SendMessageEventAsync( +// new RoomMessageEventContent(body: $"CN: {imageUrl}", +// messageType: "m.text") { +// Format = "org.matrix.custom.html", +// FormattedBody = $""" +// <blockquote> +// <font color=\"#dc143c\" data-mx-color=\"#dc143c\"> +// <b>CN</b> +// </font>: +// <a href=\"{imageUrl}\">{matchedpolicyData.Reason}</a><br> +// <span data-mx-spoiler=\"\"> +// <a href=\"{imageUrl}\"> +// <img src=\"{imageUrl}\" height=\"69\"> +// </a> +// </span> +// </blockquote> +// """ +// }); +// await room.RedactEventAsync(@event.EventId, "Automatically spoilered: " + matchedpolicyData.Reason); +// break; +// } +// case "mute": { +// await room.RedactEventAsync(@event.EventId, matchedpolicyData.Reason); +// //change powerlevel to -1 +// var currentPls = await room.GetPowerLevelsAsync(); +// if (currentPls is null) { +// logger.LogWarning("Unable to get power levels for {room}", room.RoomId); +// await _logRoom.SendMessageEventAsync( +// MessageFormatter.FormatError($"Unable to get power levels for {MessageFormatter.HtmlFormatMention(room.RoomId)}")); +// return; +// } +// +// currentPls.Users ??= new(); +// currentPls.Users[@event.Sender] = -1; +// await room.SendStateEventAsync("m.room.power_levels", currentPls); +// break; +// } +// case "kick": { +// await room.RedactEventAsync(@event.EventId, matchedpolicyData.Reason); +// await room.KickAsync(@event.Sender, matchedpolicyData.Reason); +// break; +// } +// case "ban": { +// await room.RedactEventAsync(@event.EventId, matchedpolicyData.Reason); +// await room.BanAsync(@event.Sender, matchedpolicyData.Reason); +// break; +// } +// default: { +// throw new ArgumentOutOfRangeException("recommendation", +// $"Unknown response type {matchedpolicyData.Recommendation}!"); +// } +// } +// } +// } + } + catch (Exception e) { + logger.LogError("{}", e.ToString()); + await _controlRoom.SendMessageEventAsync( + MessageFormatter.FormatException($"Unable to process event in {MessageFormatter.HtmlFormatMention(room.RoomId)}", e)); + await _logRoom.SendMessageEventAsync( + MessageFormatter.FormatException($"Unable to process event in {MessageFormatter.HtmlFormatMention(room.RoomId)}", e)); + await using var stream = new MemoryStream(e.ToString().AsBytes().ToArray()); + await _controlRoom.SendFileAsync("error.log.cs", stream); + await _logRoom.SendFileAsync("error.log.cs", stream); + } + }); + await engine.ReloadActivePolicyLists(); + await syncHelper.RunSyncLoopAsync(); + } + + /// <summary>Triggered when the application host is performing a graceful shutdown.</summary> + /// <param name="cancellationToken">Indicates that the shutdown process should no longer be graceful.</param> + public async Task StopAsync(CancellationToken cancellationToken) { + logger.LogInformation("Shutting down bot!"); + } + +} \ No newline at end of file |