From d133a168c17d605236e967ff63728420ddb0ed98 Mon Sep 17 00:00:00 2001 From: Rory& Date: Wed, 31 Jan 2024 18:50:16 +0100 Subject: Repo split --- .../ModerationBot/Commands/BanMediaCommand.cs | 111 --------------------- 1 file changed, 111 deletions(-) delete mode 100644 ExampleBots/ModerationBot/Commands/BanMediaCommand.cs (limited to 'ExampleBots/ModerationBot/Commands/BanMediaCommand.cs') diff --git a/ExampleBots/ModerationBot/Commands/BanMediaCommand.cs b/ExampleBots/ModerationBot/Commands/BanMediaCommand.cs deleted file mode 100644 index 535fd4f..0000000 --- a/ExampleBots/ModerationBot/Commands/BanMediaCommand.cs +++ /dev/null @@ -1,111 +0,0 @@ -using System.Security.Cryptography; -using ArcaneLibs.Extensions; -using LibMatrix; -using LibMatrix.EventTypes.Spec; -using LibMatrix.Helpers; -using LibMatrix.Services; -using LibMatrix.Utilities.Bot.Interfaces; -using ModerationBot.AccountData; -using ModerationBot.StateEventTypes.Policies.Implementations; - -namespace ModerationBot.Commands; - -public class BanMediaCommand(IServiceProvider services, HomeserverProviderService hsProvider, HomeserverResolverService hsResolver, PolicyEngine engine) : ICommand { - public string Name { get; } = "banmedia"; - public string Description { get; } = "Create a policy banning a piece of media, must be used in reply to a message"; - - public async Task CanInvoke(CommandContext ctx) { - //check if user is admin in control room - var botData = await ctx.Homeserver.GetAccountDataAsync("gay.rory.moderation_bot_data"); - var controlRoom = ctx.Homeserver.GetRoom(botData.ControlRoom); - var isAdmin = (await controlRoom.GetPowerLevelsAsync())!.UserHasStatePermission(ctx.MessageEvent.Sender, "m.room.ban"); - if (!isAdmin) { - // await ctx.Reply("You do not have permission to use this command!"); - await ctx.Homeserver.GetRoom(botData.LogRoom!).SendMessageEventAsync( - new RoomMessageEventContent(body: $"User {ctx.MessageEvent.Sender} tried to use command {Name} but does not have permission!", messageType: "m.text")); - } - - return isAdmin; - } - - public async Task Invoke(CommandContext ctx) { - - var botData = await ctx.Homeserver.GetAccountDataAsync("gay.rory.moderation_bot_data"); - var policyRoom = ctx.Homeserver.GetRoom(botData.DefaultPolicyRoom ?? botData.ControlRoom); - var logRoom = ctx.Homeserver.GetRoom(botData.LogRoom ?? botData.ControlRoom); - - //check if reply - var messageContent = ctx.MessageEvent.TypedContent as RoomMessageEventContent; - if (messageContent?.RelatesTo is { InReplyTo: not null }) { - try { - await logRoom.SendMessageEventAsync( - new RoomMessageEventContent( - body: $"User {MessageFormatter.HtmlFormatMention(ctx.MessageEvent.Sender)} is trying to ban media {messageContent!.RelatesTo!.InReplyTo!.EventId}", - messageType: "m.text")); - - //get replied message - var repliedMessage = await ctx.Room.GetEventAsync(messageContent.RelatesTo!.InReplyTo!.EventId); - - //check if recommendation is in list - if (ctx.Args.Length < 2) { - await ctx.Room.SendMessageEventAsync(MessageFormatter.FormatError("You must specify a recommendation type and reason!")); - return; - } - - var recommendation = ctx.Args[0]; - - if (recommendation is not ("ban" or "kick" or "mute" or "redact" or "spoiler" or "warn" or "warn_admins")) { - await ctx.Room.SendMessageEventAsync( - MessageFormatter.FormatError( - $"Invalid recommendation type {recommendation}, must be `warn_admins`, `warn`, `spoiler`, `redact`, `mute`, `kick` or `ban`!")); - return; - } - - //hash file - var mxcUri = (repliedMessage.TypedContent as RoomMessageEventContent).Url!; - var resolvedUri = await hsResolver.ResolveMediaUri(mxcUri.Split('/')[2], mxcUri); - var hashAlgo = SHA3_256.Create(); - var uriHash = hashAlgo.ComputeHash(mxcUri.AsBytes().ToArray()); - byte[]? fileHash = null; - - try { - fileHash = await hashAlgo.ComputeHashAsync(await ctx.Homeserver.ClientHttpClient.GetStreamAsync(resolvedUri)); - } - catch (Exception ex) { - await logRoom.SendMessageEventAsync( - MessageFormatter.FormatException($"Error calculating file hash for {mxcUri} via {mxcUri.Split('/')[2]}, retrying via {ctx.Homeserver.BaseUrl}...", - ex)); - try { - resolvedUri = await hsResolver.ResolveMediaUri(ctx.Homeserver.BaseUrl, mxcUri); - fileHash = await hashAlgo.ComputeHashAsync(await ctx.Homeserver.ClientHttpClient.GetStreamAsync(resolvedUri)); - } - catch (Exception ex2) { - await ctx.Room.SendMessageEventAsync(MessageFormatter.FormatException("Error calculating file hash", ex2)); - await logRoom.SendMessageEventAsync( - MessageFormatter.FormatException($"Error calculating file hash via {ctx.Homeserver.BaseUrl}!", ex2)); - } - } - - MediaPolicyFile policy; - await policyRoom.SendStateEventAsync("gay.rory.moderation.rule.media", Guid.NewGuid().ToString(), policy = new MediaPolicyFile { - Entity = Convert.ToBase64String(uriHash), - FileHash = Convert.ToBase64String(fileHash), - Reason = string.Join(' ', ctx.Args[1..]), - Recommendation = recommendation, - }); - - await ctx.Room.SendMessageEventAsync(MessageFormatter.FormatSuccessJson("Media policy created", policy)); - await logRoom.SendMessageEventAsync(MessageFormatter.FormatSuccessJson("Media policy created", policy)); - } - catch (Exception e) { - await logRoom.SendMessageEventAsync(MessageFormatter.FormatException("Error creating policy", e)); - await ctx.Room.SendMessageEventAsync(MessageFormatter.FormatException("Error creating policy", e)); - await using var stream = new MemoryStream(e.ToString().AsBytes().ToArray()); - await logRoom.SendFileAsync("error.log.cs", stream); - } - } - else { - await ctx.Room.SendMessageEventAsync(MessageFormatter.FormatError("This command must be used in reply to a message!")); - } - } -} -- cgit 1.4.1