🚧 CAS integration

2026-07-31 00:29:24 +03:00 · 2020-03-01 22:46:37 +04:00
parent a7b3f97f1a
commit ed255e2506
7 changed files with 162 additions and 0 deletions
@@ -0,0 +1,50 @@
+using System.Text;
+using System.Threading.Tasks;
+using BotFramework;
+using BotFramework.Attributes;
+using BotFramework.Setup;
+using Kruzya.TelegramBot.CombotAntiSpam.Combot;
+using Kruzya.TelegramBot.Core.Extensions;
+using Microsoft.Extensions.Logging;
+using Telegram.Bot.Types.Enums;
+
+namespace Kruzya.TelegramBot.CombotAntiSpam
+{
+    public class UserJoinHandler : BotEventHandler
+    {
+        protected ICombotClient _combotClient;
+        protected ILogger _logger;
+
+        public UserJoinHandler(ICombotClient combotClient)
+        {
+            _combotClient = combotClient;
+        }
+
+        [Message(MessageType.ChatMembersAdded, InChat.Public)]
+        public async Task OnUserJoined()
+        {
+            var canKickMembers = ((await Bot.GetChatMemberAsync(Chat, (await Bot.GetMeAsync()).Id)).CanRestrictMembers == true);
+
+            foreach (var member in RawUpdate.Message.NewChatMembers)
+            {
+                if (!(await _combotClient.IsSpammerAsync(member)))
+                {
+                    continue;
+                }
+                
+                var messageText = new StringBuilder();
+                messageText.Append($"⚠️ <b>Combot Anti-Spam</b>\n\n");
+                messageText.Append($"User {member.ToHtml()} is spammer.\n");
+                messageText.Append(
+                    $"More details you can find on <a href=\"https://cas.chat/query?u={member.Id}\">CAS site</a>.");
+                
+                await Bot.SendTextMessageAsync(Chat, messageText.ToString(), ParseMode.Html);
+                
+                if (canKickMembers)
+                {
+                    await Bot.KickChatMemberAsync(Chat, member.Id);
+                }
+            }
+        }
+    }
+}