Initial commit, added bot to control garage gates

.gitignore

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+.vs/
+bin/
+obj/
+ZaoBot.csproj.user
+zaobot.json

Program.cs

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+using System;
+using System.IO;
+using System.Net.Http;
+using System.Reflection;
+using System.Text;
+using System.Text.Json;
+using System.Threading;
+using System.Threading.Tasks;
+using Telegram.Bot;
+using Telegram.Bot.Args;
+using Telegram.Bot.Types.ReplyMarkups;
+
+namespace ZaoBot
+{
+	class Program
+	{
+		static ITelegramBotClient botClient;
+		static JsonDocument config;
+		static HttpClient http = new HttpClient();
+
+		const string CMD_LEFT_GATE = "Открой левые ворота";
+		const string CMD_RIGHT_GATE = "Открой правые ворота";
+
+		static void Main(string[] args)
+		{
+			config = LoadConfig();
+			var token = config.RootElement.GetProperty("token").GetString();
+			botClient = new TelegramBotClient(token);
+			var me = botClient.GetMeAsync().Result;
+			Console.WriteLine($"Hello, World! I am user {me.Id} and my name is {me.FirstName}.");
+			botClient.OnMessage += OnBotMessage;
+			botClient.StartReceiving();
+			while (true) Thread.Sleep(10000);
+		}
+
+		private static async void OnBotMessage(object sender, MessageEventArgs e)
+		{
+			if (e.Message.Text != null)
+			{
+				if (!VerifyUser(e.Message.Chat.Id, e.Message.Chat.Username))
+				{
+					Console.WriteLine($"Received message {e.Message.Text} from invalid user {e.Message.Chat.Username}");
+					await botClient.SendTextMessageAsync(
+						chatId: e.Message.Chat,
+						text: "Ваш ID " + e.Message.Chat.Id + " сообщите его администратору"
+					);
+					return;
+				}
+				Console.WriteLine($"Received a text message in chat {e.Message.Chat.Id}.");
+
+				if (e.Message.Text == CMD_LEFT_GATE)
+				{
+					await OpenLeftGate();
+				}
+				if (e.Message.Text == CMD_RIGHT_GATE)
+				{
+					await OpenRightGate();
+				}
+
+				var replyKeyboardMarkup = new ReplyKeyboardMarkup(
+					new KeyboardButton[][]
+					{
+						new KeyboardButton[] { CMD_LEFT_GATE, CMD_RIGHT_GATE },
+					},
+					resizeKeyboard: true
+				);
+
+				await botClient.SendTextMessageAsync(
+				  chatId: e.Message.Chat,
+				  text: "Чего изволите?",
+				  replyMarkup: replyKeyboardMarkup
+				);
+			}
+		}
+
+		private static async Task OpenRightGate()
+		{
+			var url = config.RootElement.GetProperty("openhab_url").GetString();
+			url += config.RootElement.GetProperty("item_right_gate").GetString();
+			await Post(url, "ON");
+		}
+
+		private static async Task Post(string url, string v)
+		{
+			var content = new ByteArrayContent(Encoding.UTF8.GetBytes(v));
+			content.Headers.Add("Content-Type", "text/plain");
+			await http.PostAsync(url, content);
+		}
+
+		private static async Task OpenLeftGate()
+		{
+			var url = config.RootElement.GetProperty("openhab_url").GetString();
+			url += config.RootElement.GetProperty("item_left_gate").GetString();
+			await Post(url, "ON");
+		}
+
+		private static bool VerifyUser(long id, string username)
+		{
+			Console.WriteLine("Verify user " + username + " id " + id);
+			foreach (var element in config.RootElement.GetProperty("valid_users").EnumerateArray())
+			{
+				if (username == element.GetString())
+				{
+					return true;
+				}
+			}
+			foreach (var element in config.RootElement.GetProperty("valid_user_ids").EnumerateArray())
+			{
+				if (id.ToString() == element.GetString())
+				{
+					return true;
+				}
+			}
+			return false;
+		}
+
+		private static JsonDocument LoadConfig()
+		{
+			string assemblyFolder = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
+			var config = Path.Combine(assemblyFolder, "zaobot.json");
+			string configStr = File.ReadAllText(config);
+			return JsonDocument.Parse(configStr);
+		}
+
+
+	}
+}

Properties/PublishProfiles/FolderProfile.pubxml

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+<?xml version="1.0" encoding="utf-8"?>
+<!--
+https://go.microsoft.com/fwlink/?LinkID=208121. 
+-->
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <Configuration>Release</Configuration>
+    <Platform>Any CPU</Platform>
+    <PublishDir>bin\Release\netcoreapp3.1\publish\</PublishDir>
+    <PublishProtocol>FileSystem</PublishProtocol>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <RuntimeIdentifier>linux-x64</RuntimeIdentifier>
+    <SelfContained>false</SelfContained>
+    <PublishSingleFile>False</PublishSingleFile>
+  </PropertyGroup>
+</Project>

Properties/PublishProfiles/FolderProfile.pubxml.user

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+<?xml version="1.0" encoding="utf-8"?>
+<!--
+https://go.microsoft.com/fwlink/?LinkID=208121. 
+-->
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+</Project>

ZaoBot.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Telegram.Bot" Version="15.7.1" />
+  </ItemGroup>
+
+</Project>

ZaoBot.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 16
+VisualStudioVersion = 16.0.30804.86
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ZaoBot", "ZaoBot.csproj", "{307FAC2B-FB7D-44C7-A99C-0BDA364852EE}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{307FAC2B-FB7D-44C7-A99C-0BDA364852EE}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{307FAC2B-FB7D-44C7-A99C-0BDA364852EE}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{307FAC2B-FB7D-44C7-A99C-0BDA364852EE}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{307FAC2B-FB7D-44C7-A99C-0BDA364852EE}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {FBBB86B4-C052-4EB9-B24C-873E062808AA}
+	EndGlobalSection
+EndGlobal

zaobot.service

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+[Unit]
+Description=Zaozerye Home Bot
+After=network.target
+
+[Service]
+ExecStart=/usr/bin/dotnet /root/zaobot/ZaoBot.dll
+User=root
+Group=root
+RuntimeDirectory=/root/zaobot
+RuntimeDirectoryMode=0755
+ProtectHome=false
+
+[Install]
+WantedBy=multi-user.target