diff options
Diffstat (limited to 'ExampleBots/MediaModeratorPoC/Bot/MediaModBot.cs')
| -rw-r--r-- | ExampleBots/MediaModeratorPoC/Bot/MediaModBot.cs | 126 |
1 files changed, 57 insertions, 69 deletions
diff --git a/ExampleBots/MediaModeratorPoC/Bot/MediaModBot.cs b/ExampleBots/MediaModeratorPoC/Bot/MediaModBot.cs index 81aecc7..7104114 100644 --- a/ExampleBots/MediaModeratorPoC/Bot/MediaModBot.cs +++ b/ExampleBots/MediaModeratorPoC/Bot/MediaModBot.cs @@ -20,11 +20,8 @@ using Microsoft.Extensions.Logging; namespace MediaModeratorPoC.Bot; -public class MediaModBot : IHostedService { - private readonly AuthenticatedHomeserverGeneric _hs; - private readonly ILogger<MediaModBot> _logger; - private readonly MediaModBotConfiguration _configuration; - private readonly HomeserverResolverService _hsResolver; +public class MediaModBot(AuthenticatedHomeserverGeneric hs, ILogger<MediaModBot> logger, MediaModBotConfiguration configuration, + HomeserverResolverService hsResolver) : IHostedService { private readonly IEnumerable<ICommand> _commands; private Task _listenerTask; @@ -33,20 +30,11 @@ public class MediaModBot : IHostedService { private GenericRoom _logRoom; private GenericRoom _controlRoom; - public MediaModBot(AuthenticatedHomeserverGeneric hs, ILogger<MediaModBot> logger, - MediaModBotConfiguration configuration, HomeserverResolverService hsResolver) { - logger.LogInformation("{} instantiated!", this.GetType().Name); - _hs = hs; - _logger = logger; - _configuration = configuration; - _hsResolver = hsResolver; - } - /// <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!"); + logger.LogInformation("Bot started!"); } private async Task Run(CancellationToken cancellationToken) { @@ -55,29 +43,29 @@ public class MediaModBot : IHostedService { BotData botData; try { - botData = await _hs.GetAccountData<BotData>("gay.rory.media_moderator_poc_data"); + botData = await hs.GetAccountData<BotData>("gay.rory.media_moderator_poc_data"); } catch (Exception e) { if (e is not MatrixException { ErrorCode: "M_NOT_FOUND" }) { - _logger.LogError("{}", e.ToString()); + logger.LogError("{}", e.ToString()); throw; } botData = new BotData(); - var creationContent = CreateRoomRequest.CreatePrivate(_hs, name: "Media Moderator PoC - Control room", roomAliasName: "media-moderator-poc-control-room"); - creationContent.Invite = _configuration.Admins; + var creationContent = CreateRoomRequest.CreatePrivate(hs, name: "Media Moderator PoC - Control room", roomAliasName: "media-moderator-poc-control-room"); + creationContent.Invite = configuration.Admins; creationContent.CreationContent["type"] = "gay.rory.media_moderator_poc.control_room"; - botData.ControlRoom = (await _hs.CreateRoom(creationContent)).RoomId; + botData.ControlRoom = (await hs.CreateRoom(creationContent)).RoomId; //set access rules to allow joining via control room creationContent.InitialState.Add(new StateEvent { Type = "m.room.join_rules", StateKey = "", - TypedContent = new JoinRulesEventData { + TypedContent = new JoinRulesEventContent { JoinRule = "knock_restricted", Allow = new() { - new JoinRulesEventData.AllowEntry { + new JoinRulesEventContent.AllowEntry { Type = "m.room_membership", RoomId = botData.ControlRoom } @@ -88,19 +76,19 @@ public class MediaModBot : IHostedService { creationContent.Name = "Media Moderator PoC - Log room"; creationContent.RoomAliasName = "media-moderator-poc-log-room"; creationContent.CreationContent["type"] = "gay.rory.media_moderator_poc.log_room"; - botData.LogRoom = (await _hs.CreateRoom(creationContent)).RoomId; + botData.LogRoom = (await hs.CreateRoom(creationContent)).RoomId; creationContent.Name = "Media Moderator PoC - Policy room"; creationContent.RoomAliasName = "media-moderator-poc-policy-room"; creationContent.CreationContent["type"] = "gay.rory.media_moderator_poc.policy_room"; - botData.PolicyRoom = (await _hs.CreateRoom(creationContent)).RoomId; + botData.PolicyRoom = (await hs.CreateRoom(creationContent)).RoomId; - await _hs.SetAccountData("gay.rory.media_moderator_poc_data", botData); + await hs.SetAccountData("gay.rory.media_moderator_poc_data", botData); } - _policyRoom = await _hs.GetRoom(botData.PolicyRoom ?? botData.ControlRoom); - _logRoom = await _hs.GetRoom(botData.LogRoom ?? botData.ControlRoom); - _controlRoom = await _hs.GetRoom(botData.ControlRoom); + _policyRoom = await hs.GetRoom(botData.PolicyRoom ?? botData.ControlRoom); + _logRoom = await hs.GetRoom(botData.LogRoom ?? botData.ControlRoom); + _controlRoom = await hs.GetRoom(botData.ControlRoom); List<string> admins = new(); @@ -109,7 +97,7 @@ public class MediaModBot : IHostedService { while (!cancellationToken.IsCancellationRequested) { var controlRoomMembers = _controlRoom.GetMembersAsync(); await foreach (var member in controlRoomMembers) { - if ((member.TypedContent as RoomMemberEventData).Membership == "join") admins.Add(member.UserId); + if ((member.TypedContent as RoomMemberEventContent).Membership == "join") admins.Add(member.UserId); } await Task.Delay(TimeSpan.FromSeconds(30), cancellationToken); @@ -117,39 +105,39 @@ public class MediaModBot : IHostedService { }, cancellationToken); #pragma warning restore CS4014 // Because this call is not awaited, execution of the current method continues before the call is completed - _hs.SyncHelper.InviteReceivedHandlers.Add(async Task (args) => { + hs.SyncHelper.InviteReceivedHandlers.Add(async Task (args) => { var inviteEvent = args.Value.InviteState.Events.FirstOrDefault(x => - x.Type == "m.room.member" && x.StateKey == _hs.WhoAmI.UserId); - _logger.LogInformation( - $"Got invite to {args.Key} by {inviteEvent.Sender} with reason: {(inviteEvent.TypedContent as RoomMemberEventData).Reason}"); + x.Type == "m.room.member" && x.StateKey == hs.WhoAmI.UserId); + logger.LogInformation( + $"Got invite to {args.Key} by {inviteEvent.Sender} with reason: {(inviteEvent.TypedContent as RoomMemberEventContent).Reason}"); if (inviteEvent.Sender.EndsWith(":rory.gay") || inviteEvent.Sender.EndsWith(":conduit.rory.gay")) { try { - var senderProfile = await _hs.GetProfile(inviteEvent.Sender); - await (await _hs.GetRoom(args.Key)).JoinAsync(reason: $"I was invited by {senderProfile.DisplayName ?? inviteEvent.Sender}!"); + var senderProfile = await hs.GetProfile(inviteEvent.Sender); + await (await hs.GetRoom(args.Key)).JoinAsync(reason: $"I was invited by {senderProfile.DisplayName ?? inviteEvent.Sender}!"); } catch (Exception e) { - _logger.LogError("{}", e.ToString()); - await (await _hs.GetRoom(args.Key)).LeaveAsync(reason: "I was unable to join the room: " + e); + logger.LogError("{}", e.ToString()); + await (await hs.GetRoom(args.Key)).LeaveAsync(reason: "I was unable to join the room: " + e); } } }); - _hs.SyncHelper.TimelineEventHandlers.Add(async @event => { - var room = await _hs.GetRoom(@event.RoomId); + hs.SyncHelper.TimelineEventHandlers.Add(async @event => { + var room = await hs.GetRoom(@event.RoomId); try { - _logger.LogInformation( + logger.LogInformation( "Got timeline event in {}: {}", @event.RoomId, @event.ToJson(indent: true, ignoreNull: true)); - if (@event is { Type: "m.room.message", TypedContent: RoomMessageEventData message }) { + if (@event is { Type: "m.room.message", TypedContent: RoomMessageEventContent message }) { if (message is { MessageType: "m.image" }) { //check media var matchedPolicy = await CheckMedia(@event); if (matchedPolicy is null) return; - var matchedpolicyData = matchedPolicy.TypedContent as MediaPolicyStateEventData; + var matchedpolicyData = matchedPolicy.TypedContent as MediaPolicyEventContent; var recommendation = matchedpolicyData.Recommendation; await _logRoom.SendMessageEventAsync("m.room.message", - new RoomMessageEventData( + 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") { @@ -160,17 +148,18 @@ public class MediaModBot : IHostedService { switch (recommendation) { case "warn_admins": { await _controlRoom.SendMessageEventAsync("m.room.message", - new RoomMessageEventData(body: $"{string.Join(' ', admins)}\nUser {MessageFormatter.HtmlFormatMention(@event.Sender)} posted a banned image {message.Url}", + 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" + + 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("m.room.message", - new RoomMessageEventData( + new RoomMessageEventContent( body: $"Please be careful when posting this image: {matchedpolicyData.Reason}", messageType: "m.text") { Format = "org.matrix.custom.html", @@ -196,7 +185,7 @@ public class MediaModBot : IHostedService { // </span> // </blockquote> await room.SendMessageEventAsync("m.room.message", - new RoomMessageEventData( + new RoomMessageEventContent( body: $"Please be careful when posting this image: {matchedpolicyData.Reason}, I have spoilered it for you:", messageType: "m.text") { @@ -206,7 +195,7 @@ public class MediaModBot : IHostedService { }); var imageUrl = message.Url; await room.SendMessageEventAsync("m.room.message", - new RoomMessageEventData(body: $"CN: {imageUrl}", + new RoomMessageEventContent(body: $"CN: {imageUrl}", messageType: "m.text") { Format = "org.matrix.custom.html", FormattedBody = $""" @@ -254,7 +243,7 @@ public class MediaModBot : IHostedService { } } catch (Exception e) { - _logger.LogError("{}", e.ToString()); + logger.LogError("{}", e.ToString()); await _controlRoom.SendMessageEventAsync("m.room.message", MessageFormatter.FormatException($"Unable to ban user in {MessageFormatter.HtmlFormatMention(room.RoomId)}", e)); await _logRoom.SendMessageEventAsync("m.room.message", @@ -269,7 +258,7 @@ public class MediaModBot : IHostedService { /// <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!"); + logger.LogInformation("Shutting down bot!"); } private async Task<StateEventResponse?> CheckMedia(StateEventResponse @event) { @@ -277,67 +266,66 @@ public class MediaModBot : IHostedService { var hashAlgo = SHA3_256.Create(); var mxcUri = @event.RawContent["url"].GetValue<string>(); - var resolvedUri = await _hsResolver.ResolveMediaUri(mxcUri.Split('/')[2], mxcUri); + var resolvedUri = await hsResolver.ResolveMediaUri(mxcUri.Split('/')[2], mxcUri); var uriHash = hashAlgo.ComputeHash(mxcUri.AsBytes().ToArray()); byte[]? fileHash = null; try { - fileHash = await hashAlgo.ComputeHashAsync(await _hs._httpClient.GetStreamAsync(resolvedUri)); + fileHash = await hashAlgo.ComputeHashAsync(await hs._httpClient.GetStreamAsync(resolvedUri)); } catch (Exception ex) { await _logRoom.SendMessageEventAsync("m.room.message", - MessageFormatter.FormatException($"Error calculating file hash for {mxcUri} via {mxcUri.Split('/')[2]} ({resolvedUri}), retrying via {_hs.HomeServerDomain}...", + MessageFormatter.FormatException($"Error calculating file hash for {mxcUri} via {mxcUri.Split('/')[2]} ({resolvedUri}), retrying via {hs.HomeServerDomain}...", ex)); try { - resolvedUri = await _hsResolver.ResolveMediaUri(_hs.HomeServerDomain, mxcUri); - fileHash = await hashAlgo.ComputeHashAsync(await _hs._httpClient.GetStreamAsync(resolvedUri)); + resolvedUri = await hsResolver.ResolveMediaUri(hs.HomeServerDomain, mxcUri); + fileHash = await hashAlgo.ComputeHashAsync(await hs._httpClient.GetStreamAsync(resolvedUri)); } catch (Exception ex2) { await _logRoom.SendMessageEventAsync("m.room.message", - MessageFormatter.FormatException($"Error calculating file hash via {_hs.HomeServerDomain} ({resolvedUri})!", ex2)); + MessageFormatter.FormatException($"Error calculating file hash via {hs.HomeServerDomain} ({resolvedUri})!", ex2)); } } - _logger.LogInformation("Checking media {url} with hash {hash}", resolvedUri, fileHash); + logger.LogInformation("Checking media {url} with hash {hash}", resolvedUri, fileHash); await foreach (var state in stateList) { if (state.Type != "gay.rory.media_moderator_poc.rule.media" && state.Type != "gay.rory.media_moderator_poc.rule.server") continue; if (!state.RawContent.ContainsKey("entity")) { - _logger.LogWarning("Rule {rule} has no entity, this event was probably redacted!", state.StateKey); + logger.LogWarning("Rule {rule} has no entity, this event was probably redacted!", state.StateKey); continue; } - _logger.LogInformation("Checking rule {rule}: {data}", state.StateKey, state.TypedContent.ToJson(ignoreNull: true, indent: false)); - var rule = state.TypedContent as MediaPolicyStateEventData; + + logger.LogInformation("Checking rule {rule}: {data}", state.StateKey, state.TypedContent.ToJson(ignoreNull: true, indent: false)); + var rule = state.TypedContent as MediaPolicyEventContent; if (state.Type == "gay.rory.media_moderator_poc.rule.server" && rule.ServerEntity is not null) { rule.ServerEntity = rule.ServerEntity.Replace("\\*", ".*").Replace("\\?", "."); var regex = new Regex($"mxc://({rule.ServerEntity})/.*", RegexOptions.Compiled | RegexOptions.IgnoreCase); - if (regex.IsMatch(@event.RawContent["url"].GetValue<string>())) { - _logger.LogInformation("{url} matched rule {rule}", @event.RawContent["url"], rule.ToJson(ignoreNull: true)); + if (regex.IsMatch(@event.RawContent["url"]!.GetValue<string>())) { + logger.LogInformation("{url} matched rule {rule}", @event.RawContent["url"], rule.ToJson(ignoreNull: true)); return state; } } if (rule.Entity is not null && uriHash.SequenceEqual(rule.Entity)) { - _logger.LogInformation("{url} matched rule {rule} by uri hash", @event.RawContent["url"], rule.ToJson(ignoreNull: true)); + logger.LogInformation("{url} matched rule {rule} by uri hash", @event.RawContent["url"], rule.ToJson(ignoreNull: true)); return state; } - _logger.LogInformation("uri hash {uriHash} did not match rule's {ruleUriHash}", Convert.ToBase64String(uriHash), Convert.ToBase64String(rule.Entity)); + logger.LogInformation("uri hash {uriHash} did not match rule's {ruleUriHash}", Convert.ToBase64String(uriHash), Convert.ToBase64String(rule.Entity)); if (rule.FileHash is not null && fileHash is not null && rule.FileHash.SequenceEqual(fileHash)) { - _logger.LogInformation("{url} matched rule {rule} by file hash", @event.RawContent["url"], rule.ToJson(ignoreNull: true)); + logger.LogInformation("{url} matched rule {rule} by file hash", @event.RawContent["url"], rule.ToJson(ignoreNull: true)); return state; } - _logger.LogInformation("file hash {fileHash} did not match rule's {ruleFileHash}", Convert.ToBase64String(fileHash), Convert.ToBase64String(rule.FileHash)); - + logger.LogInformation("file hash {fileHash} did not match rule's {ruleFileHash}", Convert.ToBase64String(fileHash), Convert.ToBase64String(rule.FileHash)); //check pixels every 10% of the way through the image using ImageSharp // var image = Image.Load(await _hs._httpClient.GetStreamAsync(resolvedUri)); } - - _logger.LogInformation("{url} did not match any rules", @event.RawContent["url"]); + logger.LogInformation("{url} did not match any rules", @event.RawContent["url"]); return null; } |