Add ArchiSteamFarm.OfficialPlugins.MobileAuthenticator (#2822)

* Initial commit for 2FA plugin

* Shut up netf

* Actually import this authenticator right into ASF, and add safeguards

* Further fixes

* Render device_id in the resulting maFile

ArchiSteamFarm.OfficialPlugins.MobileAuthenticator/MobileAuthenticatorPlugin.cs

@@ -0,0 +1,91 @@
+//     _                _      _  ____   _                           _____
+//    / \    _ __  ___ | |__  (_)/ ___| | |_  ___   __ _  _ __ ___  |  ___|__ _  _ __  _ __ ___
+//   / _ \  | '__|/ __|| '_ \ | |\___ \ | __|/ _ \ / _` || '_ ` _ \ | |_  / _` || '__|| '_ ` _ \
+//  / ___ \ | |  | (__ | | | || | ___) || |_|  __/| (_| || | | | | ||  _|| (_| || |   | | | | | |
+// /_/   \_\|_|   \___||_| |_||_||____/  \__|\___| \__,_||_| |_| |_||_|   \__,_||_|   |_| |_| |_|
+// |
+// Copyright 2015-2023 Łukasz "JustArchi" Domeradzki
+// Contact: JustArchi@JustArchi.net
+// |
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+// |
+// http://www.apache.org/licenses/LICENSE-2.0
+// |
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Composition;
+using System.Threading.Tasks;
+using ArchiSteamFarm.Core;
+using ArchiSteamFarm.OfficialPlugins.MobileAuthenticator.Localization;
+using ArchiSteamFarm.Plugins;
+using ArchiSteamFarm.Plugins.Interfaces;
+using ArchiSteamFarm.Steam;
+using Newtonsoft.Json;
+using SteamKit2;
+
+namespace ArchiSteamFarm.OfficialPlugins.MobileAuthenticator;
+
+[Export(typeof(IPlugin))]
+internal sealed class MobileAuthenticatorPlugin : OfficialPlugin, IBotCommand2, IBotSteamClient {
+	[JsonProperty]
+	public override string Name => nameof(MobileAuthenticatorPlugin);
+
+	[JsonProperty]
+	public override Version Version => typeof(MobileAuthenticatorPlugin).Assembly.GetName().Version ?? throw new InvalidOperationException(nameof(Version));
+
+	public async Task<string?> OnBotCommand(Bot bot, EAccess access, string message, string[] args, ulong steamID = 0) {
+		ArgumentNullException.ThrowIfNull(bot);
+
+		if (!Enum.IsDefined(access)) {
+			throw new InvalidEnumArgumentException(nameof(access), (int) access, typeof(EAccess));
+		}
+
+		if (string.IsNullOrEmpty(message)) {
+			throw new ArgumentNullException(nameof(message));
+		}
+
+		if ((args == null) || (args.Length == 0)) {
+			throw new ArgumentNullException(nameof(args));
+		}
+
+		if ((steamID != 0) && !new SteamID(steamID).IsIndividualAccount) {
+			throw new ArgumentOutOfRangeException(nameof(steamID));
+		}
+
+		return await Commands.OnBotCommand(bot, access, message, args, steamID).ConfigureAwait(false);
+	}
+
+	public Task OnBotSteamCallbacksInit(Bot bot, CallbackManager callbackManager) {
+		ArgumentNullException.ThrowIfNull(bot);
+		ArgumentNullException.ThrowIfNull(callbackManager);
+
+		return Task.CompletedTask;
+	}
+
+	public Task<IReadOnlyCollection<ClientMsgHandler>?> OnBotSteamHandlersInit(Bot bot) {
+		ArgumentNullException.ThrowIfNull(bot);
+
+		SteamUnifiedMessages? steamUnifiedMessages = bot.GetHandler<SteamUnifiedMessages>();
+
+		if (steamUnifiedMessages == null) {
+			throw new InvalidOperationException(nameof(steamUnifiedMessages));
+		}
+
+		return Task.FromResult<IReadOnlyCollection<ClientMsgHandler>?>(new HashSet<ClientMsgHandler>(1) { new MobileAuthenticatorHandler(bot.ArchiLogger, steamUnifiedMessages) });
+	}
+
+	public override Task OnLoaded() {
+		Utilities.WarnAboutIncompleteTranslation(Strings.ResourceManager);
+
+		return Task.CompletedTask;
+	}
+}