WIP

app/Desktop/App.axaml.cs

@@ -1,4 +1,3 @@
-using System;
 using Avalonia;
 using Avalonia.Controls.ApplicationLifetimes;
 using Avalonia.Markup.Xaml;
@@ -13,7 +12,7 @@ sealed class App : Application {
 
 	public override void OnFrameworkInitializationCompleted() {
 		if (ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop) {
-			desktop.MainWindow = new MainWindow(new Arguments(desktop.Args ?? Array.Empty<string>()));
+			desktop.MainWindow = new MainWindow(Program.Arguments);
 		}
 
 		base.OnFrameworkInitializationCompleted();

app/Desktop/Arguments.cs

@@ -5,26 +5,33 @@ namespace DHT.Desktop;
 
 sealed class Arguments {
 	private static readonly Log Log = Log.ForType<Arguments>();
+	
+	private const int FirstArgument = 1;
 
 	public static Arguments Empty => new(Array.Empty<string>());
 
+	public bool Console { get; }
 	public string? DatabaseFile { get; }
 	public ushort? ServerPort { get; }
 	public string? ServerToken { get; }
 
 	public Arguments(string[] args) {
-		for (int i = 0; i < args.Length; i++) {
+		for (int i = FirstArgument; i < args.Length; i++) {
 			string key = args[i];
 
 			switch (key) {
 				case "-debug":
 					Log.IsDebugEnabled = true;
 					continue;
+				
+				case "-console":
+					Console = true;
+					continue;
 			}
 
 			string value;
 
-			if (i == 0 && !key.StartsWith('-')) {
+			if (i == FirstArgument && !key.StartsWith('-')) {
 				value = key;
 				key = "-db";
 			}

app/Desktop/Main/Pages/ViewerPageModel.cs

@@ -65,6 +65,8 @@ sealed class ViewerPageModel : BaseModel, IDisposable {
 		string indexFile = await Resources.ReadTextAsync("Viewer/index.html");
 		string viewerTemplate = indexFile.Replace("/*[JS]*/", await Resources.ReadJoinedAsync("Viewer/scripts/", '\n'))
 		                                 .Replace("/*[CSS]*/", await Resources.ReadJoinedAsync("Viewer/styles/", '\n'));
+		
+		viewerTemplate = strategy.ProcessViewerTemplate(viewerTemplate);
 
 		int viewerArchiveTagStart = viewerTemplate.IndexOf(ArchiveTag);
 		int viewerArchiveTagEnd = viewerArchiveTagStart + ArchiveTag.Length;

app/Desktop/Program.cs

@@ -1,6 +1,8 @@
-using System.Globalization;
+using System;
+using System.Globalization;
 using System.Reflection;
 using Avalonia;
+using DHT.Utils.Logging;
 using DHT.Utils.Resources;
 
 namespace DHT.Desktop;
@@ -9,6 +11,7 @@ static class Program {
 	public static string Version { get; }
 	public static CultureInfo Culture { get; }
 	public static ResourceLoader Resources { get; }
+	public static Arguments Arguments { get; }
 
 	static Program() {
 		var assembly = Assembly.GetExecutingAssembly();
@@ -25,10 +28,21 @@ static class Program {
 		CultureInfo.DefaultThreadCurrentUICulture = CultureInfo.InvariantCulture;
 
 		Resources = new ResourceLoader(assembly);
+		Arguments = new Arguments(Environment.GetCommandLineArgs());
 	}
 
 	public static void Main(string[] args) {
-		BuildAvaloniaApp().StartWithClassicDesktopLifetime(args);
+		if (Arguments.Console && OperatingSystem.IsWindows()) {
+			WindowsConsole.AllocConsole();
+		}
+
+		try {
+			BuildAvaloniaApp().StartWithClassicDesktopLifetime(args);
+		} finally {
+			if (Arguments.Console && OperatingSystem.IsWindows()) {
+				WindowsConsole.FreeConsole();
+			}
+		}
 	}
 
 	private static AppBuilder BuildAvaloniaApp() {

app/Resources/Viewer/index.html

@@ -6,6 +6,8 @@
     
     <script type="text/javascript">
 		window.DHT_EMBEDDED = "/*[ARCHIVE]*/";
+		window.DHT_SERVER_URL = "/*[SERVER_URL]*/";
+    window.DHT_SERVER_TOKEN = "/*[SERVER_TOKEN]*/";
 		/*[JS]*/
     </script>
     <style>

app/Resources/Viewer/scripts/state.js

@@ -182,15 +182,32 @@ const STATE = (function() {
 		return null;
 	};
 	
-	const getMessageList = function() {
+	const getMessageList = async function(abortSignal) {
 		if (!loadedMessages) {
 			return [];
 		}
 		
 		const messages = getMessages(selectedChannel);
 		const startIndex = messagesPerPage * (root.getCurrentPage() - 1);
+		const slicedMessages = loadedMessages.slice(startIndex, !messagesPerPage ? undefined : startIndex + messagesPerPage);
 		
-		return loadedMessages.slice(startIndex, !messagesPerPage ? undefined : startIndex + messagesPerPage).map(key => {
+		let messageTexts = null;
+		
+		if (window.DHT_SERVER_URL !== null) {
+			const messageIds = new Set(slicedMessages);
+			
+			for (const key of slicedMessages) {
+				const message = messages[key];
+				
+				if ("r" in message) {
+					messageIds.add(message.r);
+				}
+			}
+			
+			messageTexts = await getMessageTextsFromServer(messageIds, abortSignal);
+		}
+		
+		return slicedMessages.map(key => {
 			/**
 			 * @type {{}}
 			 * @property {Number} u
@@ -216,6 +233,9 @@ const STATE = (function() {
 			if ("m" in message) {
 				obj["contents"] = message.m;
 			}
+			else if (messageTexts && key in messageTexts) {
+				obj["contents"] = messageTexts[key];
+			}
 			
 			if ("e" in message) {
 				obj["embeds"] = message.e.map(embed => JSON.parse(embed));
@@ -230,15 +250,16 @@ const STATE = (function() {
 			}
 			
 			if ("r" in message) {
-				const replyMessage = getMessageById(message.r);
+				const replyId = message.r;
+				const replyMessage = getMessageById(replyId);
 				const replyUser = replyMessage ? getUser(replyMessage.u) : null;
 				const replyAvatar = replyUser && replyUser.avatar ? { id: getUserId(replyMessage.u), path: replyUser.avatar } : null;
 				
 				obj["reply"] = replyMessage ? {
-					"id": message.r,
+					"id": replyId,
 					"user": replyUser,
 					"avatar": replyAvatar,
-					"contents": replyMessage.m
+					"contents": messageTexts != null && replyId in messageTexts ? messageTexts[replyId] : replyMessage.m,
 				} : null;
 			}
 			
@@ -250,9 +271,35 @@ const STATE = (function() {
 		});
 	};
 	
+	const getMessageTextsFromServer = async function(messageIds, abortSignal) {
+		let idParams = "";
+		
+		for (const messageId of messageIds) {
+			idParams += "id=" + encodeURIComponent(messageId) + "&";
+		}
+		
+		const response = await fetch(DHT_SERVER_URL + "/get-messages?" + idParams + "token=" + encodeURIComponent(DHT_SERVER_TOKEN), {
+			method: "GET",
+			headers: {
+				"Content-Type": "application/json",
+			},
+			credentials: "omit",
+			redirect: "error",
+			signal: abortSignal
+		});
+		
+		if (response.status === 200) {
+			return response.json();
+		}
+		else {
+			throw new Error("Server returned status " + response.status + " " + response.statusText);
+		}
+	};
+	
 	let eventOnUsersRefreshed;
 	let eventOnChannelsRefreshed;
 	let eventOnMessagesRefreshed;
+	let messageLoaderAborter = null;
 	
 	const triggerUsersRefreshed = function() {
 		eventOnUsersRefreshed && eventOnUsersRefreshed(getUserList());
@@ -263,7 +310,22 @@ const STATE = (function() {
 	};
 	
 	const triggerMessagesRefreshed = function() {
-		eventOnMessagesRefreshed && eventOnMessagesRefreshed(getMessageList());
+		if (!eventOnMessagesRefreshed) {
+			return;
+		}
+		
+		if (messageLoaderAborter != null) {
+			messageLoaderAborter.abort();
+		}
+		
+		const aborter = new AbortController();
+		messageLoaderAborter = aborter;
+		
+		getMessageList(aborter.signal).then(eventOnMessagesRefreshed).finally(() => {
+			if (messageLoaderAborter === aborter) {
+				messageLoaderAborter = null;
+			}
+		});
 	};
 	
 	const getFilteredMessageKeys = function(channel) {

app/Server/Database/DummyDatabaseFile.cs

@@ -44,7 +44,7 @@ public sealed class DummyDatabaseFile : IDatabaseFile {
 		return 0;
 	}
 
-	public List<Message> GetMessages(MessageFilter? filter = null) {
+	public List<Message> GetMessages(MessageFilter? filter = null, bool includeText = true) {
 		return new();
 	}
 

app/Server/Database/Export/Strategy/IViewerExportStrategy.cs

@@ -3,5 +3,7 @@ using DHT.Server.Data;
 namespace DHT.Server.Database.Export.Strategy;
 
 public interface IViewerExportStrategy {
+	bool IncludeMessageText { get; }
+	string ProcessViewerTemplate(string template);
 	string GetAttachmentUrl(Attachment attachment);
 }

app/Server/Database/Export/Strategy/LiveViewerExportStrategy.cs

@@ -12,6 +12,13 @@ public sealed class LiveViewerExportStrategy : IViewerExportStrategy {
 		this.safeToken = WebUtility.UrlEncode(token);
 	}
 
+	public bool IncludeMessageText => false;
+
+	public string ProcessViewerTemplate(string template) {
+		return template.Replace("/*[SERVER_URL]*/", "http://127.0.0.1:" + safePort)
+		               .Replace("/*[SERVER_TOKEN]*/", WebUtility.UrlEncode(safeToken));
+	}
+
 	public string GetAttachmentUrl(Attachment attachment) {
 		return "http://127.0.0.1:" + safePort + "/get-attachment/" + WebUtility.UrlEncode(attachment.NormalizedUrl) + "?token=" + safeToken;
 	}

app/Server/Database/Export/Strategy/StandaloneViewerExportStrategy.cs

@@ -7,6 +7,13 @@ public sealed class StandaloneViewerExportStrategy : IViewerExportStrategy {
 
 	private StandaloneViewerExportStrategy() {}
 
+	public bool IncludeMessageText => true;
+
+	public string ProcessViewerTemplate(string template) {
+		return template.Replace("\"/*[SERVER_URL]*/\"", "null")
+		               .Replace("\"/*[SERVER_TOKEN]*/\"", "null");
+	}
+
 	public string GetAttachmentUrl(Attachment attachment) {
 		// The normalized URL will not load files from Discord CDN once the time limit is enforced.
 		

app/Server/Database/Export/ViewerJsonExport.cs

@@ -21,7 +21,7 @@ public static class ViewerJsonExport {
 		var includedChannelIds = new HashSet<ulong>();
 		var includedServerIds = new HashSet<ulong>();
 
-		var includedMessages = db.GetMessages(filter);
+		var includedMessages = db.GetMessages(filter, strategy.IncludeMessageText);
 		var includedChannels = new List<Channel>();
 
 		foreach (var message in includedMessages) {

app/Server/Database/IDatabaseFile.cs

@@ -23,7 +23,7 @@ public interface IDatabaseFile : IDisposable {
 
 	void AddMessages(Message[] messages);
 	int CountMessages(MessageFilter? filter = null);
-	List<Message> GetMessages(MessageFilter? filter = null);
+	List<Message> GetMessages(MessageFilter? filter = null, bool includeText = true);
 	HashSet<ulong> GetMessageIds(MessageFilter? filter = null);
 	void RemoveMessages(MessageFilter filter, FilterRemovalMode mode);
 

app/Server/Database/Sqlite/SqliteDatabaseFile.cs

@@ -360,7 +360,7 @@ public sealed class SqliteDatabaseFile : IDatabaseFile {
 		return reader.Read() ? reader.GetInt32(0) : 0;
 	}
 
-	public List<Message> GetMessages(MessageFilter? filter = null) {
+	public List<Message> GetMessages(MessageFilter? filter = null, bool includeText = true) {
 		var perf = log.Start();
 		var list = new List<Message>();
 
@@ -370,7 +370,7 @@ public sealed class SqliteDatabaseFile : IDatabaseFile {
 
 		using var conn = pool.Take();
 		using var cmd = conn.Command($"""
-		                              SELECT m.message_id, m.sender_id, m.channel_id, m.text, m.timestamp, et.edit_timestamp, rt.replied_to_id
+		                              SELECT m.message_id, m.sender_id, m.channel_id, {(includeText ? "m.text" : "NULL")}, m.timestamp, et.edit_timestamp, rt.replied_to_id
 		                              FROM messages m
 		                              LEFT JOIN edit_timestamps et ON m.message_id = et.message_id
 		                              LEFT JOIN replied_to rt ON m.message_id = rt.message_id
@@ -385,7 +385,7 @@ public sealed class SqliteDatabaseFile : IDatabaseFile {
 				Id = id,
 				Sender = reader.GetUint64(1),
 				Channel = reader.GetUint64(2),
-				Text = reader.GetString(3),
+				Text = includeText ? reader.GetString(3) : string.Empty,
 				Timestamp = reader.GetInt64(4),
 				EditTimestamp = reader.IsDBNull(5) ? null : reader.GetInt64(5),
 				RepliedToId = reader.IsDBNull(6) ? null : reader.GetUint64(6),

app/Server/Endpoints/BaseEndpoint.cs

@@ -3,12 +3,9 @@ using System.Net;
 using System.Text.Json;
 using System.Threading.Tasks;
 using DHT.Server.Database;
-using DHT.Server.Service;
 using DHT.Utils.Http;
 using DHT.Utils.Logging;
 using Microsoft.AspNetCore.Http;
-using Microsoft.AspNetCore.Http.Extensions;
-using Microsoft.Extensions.Primitives;
 
 namespace DHT.Server.Endpoints;
 
@@ -16,25 +13,14 @@ abstract class BaseEndpoint {
 	private static readonly Log Log = Log.ForType<BaseEndpoint>();
 
 	protected IDatabaseFile Db { get; }
-	protected ServerParameters Parameters { get; }
 
-	protected BaseEndpoint(IDatabaseFile db, ServerParameters parameters) {
+	protected BaseEndpoint(IDatabaseFile db) {
 		this.Db = db;
-		this.Parameters = parameters;
 	}
 
-	private async Task Handle(HttpContext ctx, StringValues token) {
-		var request = ctx.Request;
+	public async Task Handle(HttpContext ctx) {
 		var response = ctx.Response;
 
-		Log.Info("Request: " + request.GetDisplayUrl() + " (" + request.ContentLength + " B)");
-
-		if (token.Count != 1 || token[0] != Parameters.Token) {
-			Log.Error("Token: " + (token.Count == 1 ? token[0] : "<missing>"));
-			response.StatusCode = (int) HttpStatusCode.Forbidden;
-			return;
-		}
-
 		try {
 			response.StatusCode = (int) HttpStatusCode.OK;
 			var output = await Respond(ctx);
@@ -49,14 +35,6 @@ abstract class BaseEndpoint {
 		}
 	}
 
-	public async Task HandleGet(HttpContext ctx) {
-		await Handle(ctx, ctx.Request.Query["token"]);
-	}
-
-	public async Task HandlePost(HttpContext ctx) {
-		await Handle(ctx, ctx.Request.Headers["X-DHT-Token"]);
-	}
-
 	protected abstract Task<IHttpOutput> Respond(HttpContext ctx);
 
 	protected static async Task<JsonElement> ReadJson(HttpContext ctx) {

app/Server/Endpoints/GetAttachmentEndpoint.cs

@@ -2,14 +2,13 @@ using System.Net;
 using System.Threading.Tasks;
 using DHT.Server.Data;
 using DHT.Server.Database;
-using DHT.Server.Service;
 using DHT.Utils.Http;
 using Microsoft.AspNetCore.Http;
 
 namespace DHT.Server.Endpoints;
 
 sealed class GetAttachmentEndpoint : BaseEndpoint {
-	public GetAttachmentEndpoint(IDatabaseFile db, ServerParameters parameters) : base(db, parameters) {}
+	public GetAttachmentEndpoint(IDatabaseFile db) : base(db) {}
 
 	protected override Task<IHttpOutput> Respond(HttpContext ctx) {
 		string attachmentUrl = WebUtility.UrlDecode((string) ctx.Request.RouteValues["url"]!);

app/Server/Endpoints/GetMessagesEndpoint.cs

@@ -0,0 +1,34 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Net;
+using System.Threading.Tasks;
+using DHT.Server.Data.Filters;
+using DHT.Server.Database;
+using DHT.Utils.Http;
+using Microsoft.AspNetCore.Http;
+using GetMessagesJsonContext = DHT.Server.Endpoints.Responses.GetMessagesJsonContext;
+
+namespace DHT.Server.Endpoints;
+
+sealed class GetMessagesEndpoint : BaseEndpoint {
+	public GetMessagesEndpoint(IDatabaseFile db) : base(db) {}
+
+	protected override Task<IHttpOutput> Respond(HttpContext ctx) {
+		HashSet<ulong> messageIdSet;
+		try {
+			var messageIds = ctx.Request.Query["id"];
+			messageIdSet = messageIds.Select(ulong.Parse!).ToHashSet();
+		} catch (Exception) {
+			throw new HttpException(HttpStatusCode.BadRequest, "Invalid message ids.");
+		}
+
+		var messageFilter = new MessageFilter {
+			MessageIds = messageIdSet
+		};
+		
+		var messages = Db.GetMessages(messageFilter).ToDictionary(static message => message.Id, static message => message.Text);
+		var response = new HttpOutput.Json<Dictionary<ulong, string>>(messages, GetMessagesJsonContext.Default.DictionaryUInt64String);
+		return Task.FromResult<IHttpOutput>(response);
+	}
+}

app/Server/Endpoints/GetTrackingScriptEndpoint.cs

@@ -13,12 +13,16 @@ namespace DHT.Server.Endpoints;
 sealed class GetTrackingScriptEndpoint : BaseEndpoint {
 	private static ResourceLoader Resources { get; } = new (Assembly.GetExecutingAssembly());
 	
-	public GetTrackingScriptEndpoint(IDatabaseFile db, ServerParameters parameters) : base(db, parameters) {}
+	private readonly ServerParameters serverParameters;
+	
+	public GetTrackingScriptEndpoint(IDatabaseFile db, ServerParameters parameters) : base(db) {
+		serverParameters = parameters;
+	}
 
 	protected override async Task<IHttpOutput> Respond(HttpContext ctx) {
 		string bootstrap = await Resources.ReadTextAsync("Tracker/bootstrap.js");
-		string script = bootstrap.Replace("= 0; /*[PORT]*/", "= " + Parameters.Port + ";")
-		                         .Replace("/*[TOKEN]*/", HttpUtility.JavaScriptStringEncode(Parameters.Token))
+		string script = bootstrap.Replace("= 0; /*[PORT]*/", "= " + serverParameters.Port + ";")
+		                         .Replace("/*[TOKEN]*/", HttpUtility.JavaScriptStringEncode(serverParameters.Token))
 		                         .Replace("/*[IMPORTS]*/", await Resources.ReadJoinedAsync("Tracker/scripts/", '\n'))
 		                         .Replace("/*[CSS-CONTROLLER]*/", await Resources.ReadTextAsync("Tracker/styles/controller.css"))
 		                         .Replace("/*[CSS-SETTINGS]*/", await Resources.ReadTextAsync("Tracker/styles/settings.css"))

app/Server/Endpoints/Responses/GetMessagesJsonContext.cs

@@ -0,0 +1,8 @@
+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+
+namespace DHT.Server.Endpoints.Responses;
+
+[JsonSourceGenerationOptions(PropertyNamingPolicy = JsonKnownNamingPolicy.CamelCase, GenerationMode = JsonSourceGenerationMode.Default)]
+[JsonSerializable(typeof(Dictionary<ulong, string>))]
+sealed partial class GetMessagesJsonContext : JsonSerializerContext {}

app/Server/Endpoints/TrackChannelEndpoint.cs

@@ -3,14 +3,13 @@ using System.Text.Json;
 using System.Threading.Tasks;
 using DHT.Server.Data;
 using DHT.Server.Database;
-using DHT.Server.Service;
 using DHT.Utils.Http;
 using Microsoft.AspNetCore.Http;
 
 namespace DHT.Server.Endpoints;
 
 sealed class TrackChannelEndpoint : BaseEndpoint {
-	public TrackChannelEndpoint(IDatabaseFile db, ServerParameters parameters) : base(db, parameters) {}
+	public TrackChannelEndpoint(IDatabaseFile db) : base(db) {}
 
 	protected override async Task<IHttpOutput> Respond(HttpContext ctx) {
 		var root = await ReadJson(ctx);

app/Server/Endpoints/TrackMessagesEndpoint.cs

@@ -9,7 +9,6 @@ using DHT.Server.Data;
 using DHT.Server.Data.Filters;
 using DHT.Server.Database;
 using DHT.Server.Download;
-using DHT.Server.Service;
 using DHT.Utils.Collections;
 using DHT.Utils.Http;
 using Microsoft.AspNetCore.Http;
@@ -20,7 +19,7 @@ sealed class TrackMessagesEndpoint : BaseEndpoint {
 	private const string HasNewMessages = "1";
 	private const string NoNewMessages = "0";
 	
-	public TrackMessagesEndpoint(IDatabaseFile db, ServerParameters parameters) : base(db, parameters) {}
+	public TrackMessagesEndpoint(IDatabaseFile db) : base(db) {}
 
 	protected override async Task<IHttpOutput> Respond(HttpContext ctx) {
 		var root = await ReadJson(ctx);

app/Server/Endpoints/TrackUsersEndpoint.cs

@@ -3,14 +3,13 @@ using System.Text.Json;
 using System.Threading.Tasks;
 using DHT.Server.Data;
 using DHT.Server.Database;
-using DHT.Server.Service;
 using DHT.Utils.Http;
 using Microsoft.AspNetCore.Http;
 
 namespace DHT.Server.Endpoints;
 
 sealed class TrackUsersEndpoint : BaseEndpoint {
-	public TrackUsersEndpoint(IDatabaseFile db, ServerParameters parameters) : base(db, parameters) {}
+	public TrackUsersEndpoint(IDatabaseFile db) : base(db) {}
 
 	protected override async Task<IHttpOutput> Respond(HttpContext ctx) {
 		var root = await ReadJson(ctx);

app/Server/Service/Middlewares/ServerAuthorizationMiddleware.cs

@@ -0,0 +1,44 @@
+using System.Net;
+using System.Threading.Tasks;
+using DHT.Utils.Logging;
+using Microsoft.AspNetCore.Http;
+using Microsoft.Extensions.Primitives;
+
+namespace DHT.Server.Service.Middlewares;
+
+sealed class ServerAuthorizationMiddleware {
+	private static readonly Log Log = Log.ForType<ServerAuthorizationMiddleware>();
+
+	private readonly RequestDelegate next;
+	private readonly ServerParameters serverParameters;
+
+	public ServerAuthorizationMiddleware(RequestDelegate next, ServerParameters serverParameters) {
+		this.next = next;
+		this.serverParameters = serverParameters;
+	}
+
+	public async Task InvokeAsync(HttpContext context) {
+		var request = context.Request;
+
+		bool success = HttpMethods.IsGet(request.Method)
+			               ? CheckToken(request.Query["token"])
+			               : CheckToken(request.Headers["X-DHT-Token"]);
+
+		if (success) {
+			await next(context);
+		}
+		else {
+			context.Response.StatusCode = (int) HttpStatusCode.Forbidden;
+		}
+	}
+
+	private bool CheckToken(StringValues token) {
+		if (token.Count == 1 && token[0] == serverParameters.Token) {
+			return true;
+		}
+		else {
+			Log.Error("Invalid token: " + (token.Count == 1 ? token[0] : "<missing>"));
+			return false;
+		}
+	}
+}

app/Server/Service/Middlewares/ServerLoggingMiddleware.cs

@@ -0,0 +1,29 @@
+using System.Diagnostics;
+using System.Threading.Tasks;
+using DHT.Utils.Logging;
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Http.Extensions;
+
+namespace DHT.Server.Service.Middlewares; 
+
+sealed class ServerLoggingMiddleware {
+	private static readonly Log Log = Log.ForType<ServerLoggingMiddleware>();
+	
+	private readonly RequestDelegate next;
+	
+	public ServerLoggingMiddleware(RequestDelegate next) {
+		this.next = next;
+	}
+
+	public async Task InvokeAsync(HttpContext context) {
+		var stopwatch = Stopwatch.StartNew();
+		await next(context);
+		stopwatch.Stop();
+		
+		var request = context.Request;
+		var requestLength = request.ContentLength ?? 0L;
+		var responseStatus = context.Response.StatusCode;
+		var elapsedMs = stopwatch.ElapsedMilliseconds;
+		Log.Debug("Request to " + request.GetEncodedPathAndQuery() + " (" + requestLength + " B) returned " + responseStatus + ", took " + elapsedMs + " ms");
+	}
+}

app/Server/Service/ServerLauncher.cs

@@ -4,7 +4,6 @@ using System.Diagnostics.CodeAnalysis;
 using System.Threading;
 using DHT.Server.Database;
 using DHT.Utils.Logging;
-using Microsoft.AspNetCore;
 using Microsoft.AspNetCore.Hosting;
 using Microsoft.AspNetCore.Server.Kestrel.Core;
 using Microsoft.Extensions.DependencyInjection;
@@ -75,11 +74,11 @@ public static class ServerLauncher {
 			options.ListenLocalhost(port, static listenOptions => listenOptions.Protocols = HttpProtocols.Http1);
 		}
 
-		Server = WebHost.CreateDefaultBuilder()
-		                .ConfigureServices(AddServices)
-		                .UseKestrel(SetKestrelOptions)
-		                .UseStartup<Startup>()
-		                .Build();
+		Server = new WebHostBuilder()
+		         .ConfigureServices(AddServices)
+		         .UseKestrel(SetKestrelOptions)
+		         .UseStartup<Startup>()
+		         .Build();
 
 		Server.Start();
 

app/Server/Service/ServerStartup.cs

@@ -2,6 +2,7 @@ using System.Diagnostics.CodeAnalysis;
 using System.Text.Json.Serialization;
 using DHT.Server.Database;
 using DHT.Server.Endpoints;
+using DHT.Server.Service.Middlewares;
 using Microsoft.AspNetCore.Builder;
 using Microsoft.AspNetCore.Http.Json;
 using Microsoft.Extensions.DependencyInjection;
@@ -15,6 +16,7 @@ sealed class Startup {
 		"https://ptb.discord.com",
 		"https://canary.discord.com",
 		"https://discordapp.com",
+		"null" // For file:// protocol in the Viewer
 	};
 
 	public void ConfigureServices(IServiceCollection services) {
@@ -27,27 +29,24 @@ sealed class Startup {
 				builder.WithOrigins(AllowedOrigins).AllowCredentials().AllowAnyMethod().AllowAnyHeader().WithExposedHeaders("X-DHT");
 			});
 		});
+		
+		services.AddRoutingCore();
 	}
 
 	[SuppressMessage("ReSharper", "UnusedMember.Global")]
 	public void Configure(IApplicationBuilder app, IHostApplicationLifetime lifetime, IDatabaseFile db, ServerParameters parameters) {
-		app.UseRouting();
+		app.UseMiddleware<ServerLoggingMiddleware>();
 		app.UseCors();
+		app.UseMiddleware<ServerAuthorizationMiddleware>();
+		app.UseRouting();
+		
 		app.UseEndpoints(endpoints => {
-			GetTrackingScriptEndpoint getTrackingScript = new (db, parameters);
-			endpoints.MapGet("/get-tracking-script", context => getTrackingScript.HandleGet(context));
-			
-			TrackChannelEndpoint trackChannel = new (db, parameters);
-			endpoints.MapPost("/track-channel", context => trackChannel.HandlePost(context));
-
-			TrackUsersEndpoint trackUsers = new (db, parameters);
-			endpoints.MapPost("/track-users", context => trackUsers.HandlePost(context));
-
-			TrackMessagesEndpoint trackMessages = new (db, parameters);
-			endpoints.MapPost("/track-messages", context => trackMessages.HandlePost(context));
-
-			GetAttachmentEndpoint getAttachment = new (db, parameters);
-			endpoints.MapGet("/get-attachment/{url}", context => getAttachment.HandleGet(context));
+			endpoints.MapGet("/get-tracking-script", new GetTrackingScriptEndpoint(db, parameters).Handle);
+			endpoints.MapGet("/get-messages", new GetMessagesEndpoint(db).Handle);
+			endpoints.MapGet("/get-attachment/{url}", new GetAttachmentEndpoint(db).Handle);
+			endpoints.MapPost("/track-channel", new TrackChannelEndpoint(db).Handle);
+			endpoints.MapPost("/track-users", new TrackUsersEndpoint(db).Handle);
+			endpoints.MapPost("/track-messages", new TrackMessagesEndpoint(db).Handle);
 		});
 	}
 }

app/Utils/Http/HttpOutput.cs

@@ -1,4 +1,5 @@
 using System.Text;
+using System.Text.Json.Serialization.Metadata;
 using System.Threading.Tasks;
 using Microsoft.AspNetCore.Http;
 
@@ -25,6 +26,20 @@ public static class HttpOutput {
 		}
 	}
 
+	public sealed class Json<TValue> : IHttpOutput {
+		private readonly TValue value;
+		private readonly JsonTypeInfo<TValue> typeInfo;
+
+		public Json(TValue value, JsonTypeInfo<TValue> typeInfo) {
+			this.value = value;
+			this.typeInfo = typeInfo;
+		}
+
+		public Task WriteTo(HttpResponse response) {
+			return response.WriteAsJsonAsync(value, typeInfo);
+		}
+	}
+
 	public sealed class File : IHttpOutput {
 		private readonly string? contentType;
 		private readonly byte[] bytes;

app/Utils/Logging/WindowsConsole.cs

@@ -0,0 +1,13 @@
+using System.Runtime.InteropServices;
+using System.Runtime.Versioning;
+
+namespace DHT.Utils.Logging; 
+
+[SupportedOSPlatform("windows")]
+public static partial class WindowsConsole {
+	[LibraryImport("kernel32.dll", SetLastError = true)]
+	public static partial void AllocConsole();
+
+	[LibraryImport("kernel32.dll", SetLastError = true)]
+	public static partial void FreeConsole();
+}

app/Utils/Utils.csproj

@@ -6,6 +6,10 @@
     <PackageId>DiscordHistoryTrackerUtils</PackageId>
   </PropertyGroup>
   
+  <PropertyGroup>
+    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+  </PropertyGroup>
+  
   <ItemGroup>
     <FrameworkReference Include="Microsoft.AspNetCore.App" />
   </ItemGroup>