Small refactors

5 files changed, 0 insertions, 524 deletions

diff --git a/ExampleBots/MediaModeratorPoC/Bot/AccountData/BotData.cs b/ExampleBots/MediaModeratorPoC/Bot/AccountData/BotData.cs
deleted file mode 100644
index b4e1167..0000000
--- a/ExampleBots/MediaModeratorPoC/Bot/AccountData/BotData.cs
+++ /dev/null
@@ -1,14 +0,0 @@
-using System.Text.Json.Serialization;
-
-namespace MediaModeratorPoC.Bot.AccountData;
-
-public class BotData {
-    [JsonPropertyName("control_room")]
-    public string ControlRoom { get; set; } = "";
-
-    [JsonPropertyName("log_room")]
-    public string? LogRoom { get; set; } = "";
-
-    [JsonPropertyName("policy_room")]
-    public string? PolicyRoom { get; set; } = "";
-}
diff --git a/ExampleBots/MediaModeratorPoC/Bot/Commands/BanMediaCommand.cs b/ExampleBots/MediaModeratorPoC/Bot/Commands/BanMediaCommand.cs
deleted file mode 100644
index fd6866c..0000000
--- a/ExampleBots/MediaModeratorPoC/Bot/Commands/BanMediaCommand.cs
+++ /dev/null
@@ -1,108 +0,0 @@
-using System.Security.Cryptography;
-using ArcaneLibs.Extensions;
-using LibMatrix.EventTypes.Spec;
-using LibMatrix.Helpers;
-using LibMatrix.Responses;
-using LibMatrix.Services;
-using LibMatrix.Utilities.Bot.Interfaces;
-using MediaModeratorPoC.Bot.AccountData;
-using MediaModeratorPoC.Bot.StateEventTypes;
-
-namespace MediaModeratorPoC.Bot.Commands;
-
-public class BanMediaCommand(IServiceProvider services, HomeserverProviderService hsProvider, HomeserverResolverService hsResolver) : 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<bool> CanInvoke(CommandContext ctx) {
-        //check if user is admin in control room
-        var botData = await ctx.Homeserver.GetAccountData<BotData>("gay.rory.media_moderator_poc_data");
-        var controlRoom = ctx.Homeserver.GetRoom(botData.ControlRoom);
-        var isAdmin = (await controlRoom.GetPowerLevelsAsync())!.UserHasPermission(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.GetAccountData<BotData>("gay.rory.media_moderator_poc_data");
-        var policyRoom = ctx.Homeserver.GetRoom(botData.PolicyRoom ?? 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: $"User {MessageFormatter.HtmlFormatMention(ctx.MessageEvent.Sender)} is trying to ban media {messageContent!.RelatesTo!.InReplyTo!.EventId}",
-                        messageType: "m.text"));
-
-                //get replied message
-                var repliedMessage = await ctx.Room.GetEventAsync<StateEventResponse>(messageContent.RelatesTo!.InReplyTo!.EventId);
-
-                //check if recommendation is in list
-                if (ctx.Args.Length < 2) {
-                    await ctx.Room.SendMessageEventAsync(MessageFormatter.FormatError("You must specify a recommendation type and reason!"));
-                    return;
-                }
-
-                var recommendation = ctx.Args[0];
-
-                if (recommendation is not ("ban" or "kick" or "mute" or "redact" or "spoiler" or "warn" or "warn_admins")) {
-                    await ctx.Room.SendMessageEventAsync(MessageFormatter.FormatError($"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._httpClient.GetStreamAsync(resolvedUri));
-                }
-                catch (Exception ex) {
-                    await logRoom.SendMessageEventAsync(
-                        MessageFormatter.FormatException($"Error calculating file hash for {mxcUri} via {mxcUri.Split('/')[2]}, retrying via {ctx.Homeserver.HomeServerDomain}...",
-                            ex));
-                    try {
-                        resolvedUri = await hsResolver.ResolveMediaUri(ctx.Homeserver.HomeServerDomain, mxcUri);
-                        fileHash = await hashAlgo.ComputeHashAsync(await ctx.Homeserver._httpClient.GetStreamAsync(resolvedUri));
-                    }
-                    catch (Exception ex2) {
-                        await ctx.Room.SendMessageEventAsync(MessageFormatter.FormatException("Error calculating file hash", ex2));
-                        await logRoom.SendMessageEventAsync(
-                            MessageFormatter.FormatException($"Error calculating file hash via {ctx.Homeserver.HomeServerDomain}!", ex2));
-                    }
-                }
-
-                MediaPolicyEventContent policy;
-                await policyRoom.SendStateEventAsync("gay.rory.media_moderator_poc.rule.media", Guid.NewGuid().ToString(), policy = new MediaPolicyEventContent {
-                    Entity = uriHash,
-                    FileHash = 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("m.file", "error.log.cs", stream);
-            }
-        }
-        else {
-            await ctx.Room.SendMessageEventAsync(MessageFormatter.FormatError("This command must be used in reply to a message!"));
-        }
-    }
-}
diff --git a/ExampleBots/MediaModeratorPoC/Bot/MediaModBot.cs b/ExampleBots/MediaModeratorPoC/Bot/MediaModBot.cs
deleted file mode 100644
index f9bbcf3..0000000
--- a/ExampleBots/MediaModeratorPoC/Bot/MediaModBot.cs
+++ /dev/null
@@ -1,339 +0,0 @@
-using System.Buffers.Text;
-using System.Data;
-using System.Security.Cryptography;
-using System.Text;
-using System.Text.Encodings.Web;
-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 MediaModeratorPoC.Bot.AccountData;
-using MediaModeratorPoC.Bot.StateEventTypes;
-using Microsoft.Extensions.Hosting;
-using Microsoft.Extensions.Logging;
-
-namespace MediaModeratorPoC.Bot;
-
-public class MediaModBot(AuthenticatedHomeserverGeneric hs, ILogger<MediaModBot> logger, MediaModBotConfiguration configuration,
-    HomeserverResolverService hsResolver) : 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) {
-        Directory.GetFiles("bot_data/cache").ToList().ForEach(File.Delete);
-
-        BotData botData;
-
-        try {
-            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());
-                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;
-            creationContent.CreationContent["type"] = "gay.rory.media_moderator_poc.control_room";
-
-            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 JoinRulesEventContent {
-                    JoinRule = "knock_restricted",
-                    Allow = new() {
-                        new JoinRulesEventContent.AllowEntry {
-                            Type = "m.room_membership",
-                            RoomId = botData.ControlRoom
-                        }
-                    }
-                }
-            });
-
-            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;
-
-            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;
-
-            await hs.SetAccountData("gay.rory.media_moderator_poc_data", botData);
-        }
-
-        _policyRoom = hs.GetRoom(botData.PolicyRoom ?? botData.ControlRoom);
-        _logRoom = hs.GetRoom(botData.LogRoom ?? botData.ControlRoom);
-        _controlRoom = hs.GetRoom(botData.ControlRoom);
-
-        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.UserId);
-                }
-
-                await Task.Delay(TimeSpan.FromSeconds(30), cancellationToken);
-            }
-        }, 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) => {
-            var inviteEvent =
-                args.Value.InviteState.Events.FirstOrDefault(x =>
-                    x.Type == "m.room.member" && x.StateKey == hs.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.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 hs.GetRoom(args.Key).LeaveAsync(reason: "I was unable to join the room: " + e);
-                }
-            }
-        });
-
-        hs.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 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 MediaPolicyEventContent;
-                        var recommendation = matchedpolicyData.Recommendation;
-                        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 (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 ban user in {MessageFormatter.HtmlFormatMention(room.RoomId)}", e));
-                await _logRoom.SendMessageEventAsync(
-                    MessageFormatter.FormatException($"Unable to ban user in {MessageFormatter.HtmlFormatMention(room.RoomId)}", e));
-                await using var stream = new MemoryStream(e.ToString().AsBytes().ToArray());
-                await _controlRoom.SendFileAsync("m.file", "error.log.cs", stream);
-                await _logRoom.SendFileAsync("m.file", "error.log.cs", stream);
-            }
-        });
-    }
-
-    /// <summary>Triggered when the application host is performing a graceful shutdown.</summary>
-    /// <param name="cancellationToken">Indicates that the shutdown process should no longer be graceful.</param>
-    public async Task StopAsync(CancellationToken cancellationToken) {
-        logger.LogInformation("Shutting down bot!");
-    }
-
-    private async Task<StateEventResponse?> CheckMedia(StateEventResponse @event) {
-        var stateList = _policyRoom.GetFullStateAsync();
-        var hashAlgo = SHA3_256.Create();
-
-        var mxcUri = @event.RawContent["url"].GetValue<string>();
-        var resolvedUri = await hsResolver.ResolveMediaUri(mxcUri.Split('/')[2], mxcUri);
-        var uriHash = hashAlgo.ComputeHash(mxcUri.AsBytes().ToArray());
-        byte[]? fileHash = null;
-
-        try {
-            fileHash = await hashAlgo.ComputeHashAsync(await hs._httpClient.GetStreamAsync(resolvedUri));
-        }
-        catch (Exception ex) {
-            await _logRoom.SendMessageEventAsync(
-                MessageFormatter.FormatException($"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));
-            }
-            catch (Exception ex2) {
-                await _logRoom.SendMessageEventAsync(
-                    MessageFormatter.FormatException($"Error calculating file hash via {hs.HomeServerDomain} ({resolvedUri})!", ex2));
-            }
-        }
-
-        logger.LogInformation("Checking media {url} with hash {hash}", resolvedUri, fileHash);
-
-        await foreach (var state in stateList) {
-            if (state.Type != "gay.rory.media_moderator_poc.rule.media" && state.Type != "gay.rory.media_moderator_poc.rule.server") continue;
-            if (!state.RawContent.ContainsKey("entity")) {
-                logger.LogWarning("Rule {rule} has no entity, this event was probably redacted!", state.StateKey);
-                continue;
-            }
-
-            logger.LogInformation("Checking rule {rule}: {data}", state.StateKey, state.TypedContent.ToJson(ignoreNull: true, indent: false));
-            var rule = state.TypedContent as MediaPolicyEventContent;
-            if (state.Type == "gay.rory.media_moderator_poc.rule.server" && rule.ServerEntity is not null) {
-                rule.ServerEntity = rule.ServerEntity.Replace("\\*", ".*").Replace("\\?", ".");
-                var regex = new Regex($"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));
-                    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));
-                return state;
-            }
-
-            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));
-                return state;
-            }
-
-            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"]);
-
-        return null;
-    }
-}
diff --git a/ExampleBots/MediaModeratorPoC/Bot/MediaModBotConfiguration.cs b/ExampleBots/MediaModeratorPoC/Bot/MediaModBotConfiguration.cs
deleted file mode 100644
index d848abe..0000000
--- a/ExampleBots/MediaModeratorPoC/Bot/MediaModBotConfiguration.cs
+++ /dev/null
@@ -1,10 +0,0 @@
-using Microsoft.Extensions.Configuration;
-
-namespace MediaModeratorPoC.Bot;
-
-public class MediaModBotConfiguration {
-    public MediaModBotConfiguration(IConfiguration config) => config.GetRequiredSection("MediaMod").Bind(this);
-
-    public List<string> Admins { get; set; } = new();
-    public bool DemoMode { get; set; } = false;
-}
diff --git a/ExampleBots/MediaModeratorPoC/Bot/StateEventTypes/MediaPolicyStateEventData.cs b/ExampleBots/MediaModeratorPoC/Bot/StateEventTypes/MediaPolicyStateEventData.cs
deleted file mode 100644
index 0096c78..0000000
--- a/ExampleBots/MediaModeratorPoC/Bot/StateEventTypes/MediaPolicyStateEventData.cs
+++ /dev/null
@@ -1,53 +0,0 @@
-using System.Text.Json.Serialization;
-using LibMatrix.Helpers;
-using LibMatrix.Interfaces;
-
-namespace MediaModeratorPoC.Bot.StateEventTypes;
-
-[
-    MatrixEvent(EventName = "gay.rory.media_moderator_poc.rule.homeserver")]
-[MatrixEvent(EventName = "gay.rory.media_moderator_poc.rule.media")]
-public class MediaPolicyEventContent : EventContent {
-    /// <summary>
-    ///     This is an MXC URI, hashed with SHA3-256.
-    /// </summary>
-    [JsonPropertyName("entity")]
-    public byte[] Entity { get; set; }
-
-    /// <summary>
-    /// Server this ban applies to, can use * and ? as globs.
-    /// </summary>
-    [JsonPropertyName("server_entity")]
-    public string? ServerEntity { get; set; }
-
-    /// <summary>
-    ///     Reason this user is banned
-    /// </summary>
-    [JsonPropertyName("reason")]
-    public string? Reason { get; set; }
-
-    /// <summary>
-    ///     Suggested action to take, one of `ban`, `kick`, `mute`, `redact`, `spoiler`, `warn` or `warn_admins`
-    /// </summary>
-    [JsonPropertyName("recommendation")]
-    public string Recommendation { get; set; } = "warn";
-
-    /// <summary>
-    ///     Expiry time in milliseconds since the unix epoch, or null if the ban has no expiry.
-    /// </summary>
-    [JsonPropertyName("support.feline.policy.expiry.rev.2")] //stable prefix: expiry, msc pending
-    public long? Expiry { get; set; }
-
-    //utils
-    /// <summary>
-    ///     Readable expiry time, provided for easy interaction
-    /// </summary>
-    [JsonPropertyName("gay.rory.matrix_room_utils.readable_expiry_time_utc")]
-    public DateTime? ExpiryDateTime {
-        get => Expiry == null ? null : DateTimeOffset.FromUnixTimeMilliseconds(Expiry.Value).DateTime;
-        set => Expiry = value is null ? null : ((DateTimeOffset)value).ToUnixTimeMilliseconds();
-    }
-
-    [JsonPropertyName("file_hash")]
-    public byte[]? FileHash { get; set; }
-}