refactor(bot_commands): 简化命令处理并重构对话管理

重构了命令注册和处理函数，简化了与用户之间的对话管理。通过将关键词和白名单命令处理分离到独立的异步函数中，提高了代码可读性和可维护性。此外，优化了参数处理，允许更直接的命令交互，并对错误情况给出了更清晰的反馈。

README.md

@@ -11,6 +11,8 @@
 
 1. TeleGuard：一个 Telegram 机器人，用于管理群组中的关键词并自动删除包含这些关键词的消息。
 2. 币安价格更新器：定期获取并发送指定加密货币的价格信息。
+3. 链接拦截：拦截并撤回非白名单域名链接的第二次发送。
+
 
 这些功能被整合到一个 Docker 容器中，可以同时运行。
 
@@ -26,6 +28,10 @@
 - 发送详细的价格更新，包括当前价格、24小时变化、高低点等
 - 可自定义更新频率和货币对
 
+### 链接拦截
+- 非白名单域名链接, 在发送第二次会被拦截撤回
+
+
 ## 安装与配置
 
 1. 克隆此仓库到本地

src/bot_commands.py

@@ -1,14 +1,6 @@
 import os
-from telethon import events
-from telethon.tl.types import InputPeerUser
-from telethon.tl.functions.bots import SetBotCommandsRequest
-from telethon.tl.types import BotCommand
-import logging
 import json
 
-__all__ = ['register_commands', 'handle_command', 'get_keywords', 'get_whitelist']
-
-
 KEYWORDS_FILE = '/app/data/keywords.json'
 WHITELIST_FILE = '/app/data/whitelist.json'
 ADMIN_ID = int(os.environ.get('ADMIN_ID'))
@@ -24,128 +16,69 @@ def save_json(file_path, data):
     with open(file_path, 'w') as f:
         json.dump(data, f)
 
-async def register_commands(client, admin_id):
+async def handle_command(event, client):
-    commands = [
-        BotCommand('add', '添加新的关键词'),
-        BotCommand('delete', '删除现有的关键词'),
-        BotCommand('list', '列出所有当前的关键词'),
-        BotCommand('addwhite', '添加域名到白名单'),
-        BotCommand('delwhite', '从白名单移除域名'),
-        BotCommand('listwhite', '列出白名单域名'),
-    ]
-    
-    try:
-        await client(SetBotCommandsRequest(
-            commands=commands,
-            scope=InputPeerUser(admin_id, 0),
-            lang_code=''
-        ))
-        logging.info("Bot commands registered successfully.")
-    except Exception as e:
-        logging.error(f"Failed to register bot commands: {str(e)}")
-
-async def handle_keyword_command(event, client):
     sender = await event.get_sender()
     if sender.id != ADMIN_ID:
         return
 
-    command = event.message.text.split(maxsplit=1)
+    command, *args = event.message.text.split()
-    
+    command = command.lower()
-    if command[0].lower() == '/list':
-        await execute_keyword_command(event, '/list', '')
-    elif len(command) > 1:
-        await execute_keyword_command(event, command[0], command[1])
-    else:
-        await event.reply(f"请输入你要{command[0][1:]}的关键词：")
-        async with client.conversation(sender) as conv:
-            response = await conv.get_response()
-            await execute_keyword_command(event, command[0], response.text)
 
-async def execute_keyword_command(event, command, keyword):
+    if command in ['/add', '/delete', '/list']:
+        await handle_keyword_command(event, command, args)
+    elif command in ['/addwhite', '/delwhite', '/listwhite']:
+        await handle_whitelist_command(event, command, args)
+
+async def handle_keyword_command(event, command, args):
     keywords = load_json(KEYWORDS_FILE)
     
-    if command.lower() == '/list':
+    if command == '/list':
-        if keywords:
+        await event.reply("当前关键词列表：\n" + "\n".join(keywords) if keywords else "关键词列表为空。")
-            await event.reply(f"当前关键词和语句列表：\n" + "\n".join(keywords))
+    elif command == '/add' and args:
-        else:
+        keyword = args[0].lower()
-            await event.reply("关键词列表为空。")
+        if keyword not in keywords:
-        return
+            keywords.append(keyword)
-    
-    if command.lower() == '/add':
-        if keyword.lower() not in keywords:
-            keywords.append(keyword.lower())
             save_json(KEYWORDS_FILE, keywords)
-            await event.reply(f"关键词或语句 '{keyword}' 已添加到列表中。")
+            await event.reply(f"关键词 '{keyword}' 已添加。")
         else:
-            await event.reply(f"关键词或语句 '{keyword}' 已经在列表中。")
+            await event.reply(f"关键词 '{keyword}' 已存在。")
-    
+    elif command == '/delete' and args:
-    elif command.lower() == '/delete':
+        keyword = args[0].lower()
-        if keyword.lower() in keywords:
+        if keyword in keywords:
-            keywords.remove(keyword.lower())
+            keywords.remove(keyword)
             save_json(KEYWORDS_FILE, keywords)
-            await event.reply(f"关键词或语句 '{keyword}' 已从列表中删除。")
+            await event.reply(f"关键词 '{keyword}' 已删除。")
         else:
-            await event.reply(f"关键词或语句 '{keyword}' 不在列表中。")
+            await event.reply(f"关键词 '{keyword}' 不存在。")
-
-async def handle_whitelist_command(event, client):
-    sender = await event.get_sender()
-    if sender.id != ADMIN_ID:
-        return
-
-    command = event.message.text.split(maxsplit=1)
-    
-    if command[0].lower() == '/listwhite':
-        await execute_whitelist_command(event, '/listwhite', '')
-    elif len(command) > 1:
-        await execute_whitelist_command(event, command[0], command[1])
     else:
-        await event.reply(f"请输入你要{command[0][1:]}的域名：")
+        await event.reply("无效的命令或参数。")
-        async with client.conversation(sender) as conv:
-            response = await conv.get_response()
-            await execute_whitelist_command(event, command[0], response.text)
 
-async def execute_whitelist_command(event, command, domain):
+async def handle_whitelist_command(event, command, args):
     whitelist = load_json(WHITELIST_FILE)
     
-    if command.lower() == '/listwhite':
+    if command == '/listwhite':
-        if whitelist:
+        await event.reply("白名单域名列表：\n" + "\n".join(whitelist) if whitelist else "白名单为空。")
-            await event.reply("白名单域名列表：\n" + "\n".join(whitelist))
+    elif command == '/addwhite' and args:
-        else:
+        domain = args[0].lower()
-            await event.reply("白名单为空。")
+        if domain not in whitelist:
-        return
+            whitelist.append(domain)
-    
-    if command.lower() == '/addwhite':
-        if domain.lower() not in whitelist:
-            whitelist.append(domain.lower())
             save_json(WHITELIST_FILE, whitelist)
             await event.reply(f"域名 '{domain}' 已添加到白名单。")
         else:
-            await event.reply(f"域名 '{domain}' 已经在白名单中。")
+            await event.reply(f"域名 '{domain}' 已在白名单中。")
-    
+    elif command == '/delwhite' and args:
-    elif command.lower() == '/delwhite':
+        domain = args[0].lower()
-        if domain.lower() in whitelist:
+        if domain in whitelist:
-            whitelist.remove(domain.lower())
+            whitelist.remove(domain)
             save_json(WHITELIST_FILE, whitelist)
-            await event.reply(f"域名 '{domain}' 已从白名单中移除。")
+            await event.reply(f"域名 '{domain}' 已从白名单中删除。")
         else:
             await event.reply(f"域名 '{domain}' 不在白名单中。")
+    else:
+        await event.reply("无效的命令或参数。")
 
 def get_keywords():
     return load_json(KEYWORDS_FILE)
 
 def get_whitelist():
     return load_json(WHITELIST_FILE)
-
-async def handle_command(event, client):
-    sender = await event.get_sender()
-    if sender.id != ADMIN_ID:
-        return
-
-    command = event.message.text.split(maxsplit=1)
-    
-    if command[0].lower() in ['/add', '/delete', '/list']:
-        await handle_keyword_command(event, client)
-    elif command[0].lower() in ['/addwhite', '/delwhite', '/listwhite']:
-        await handle_whitelist_command(event, client)
-
-

src/guard.py

@@ -84,6 +84,7 @@ async def command_handler(event):
         elif event.raw_text.startswith(('/addwhite', '/delwhite', '/listwhite')):
             link_filter.reload_whitelist()
 
+
 async def message_handler(event):
     if not event.is_private or event.sender_id != ADMIN_ID:
         async with rate_limiter:
@@ -98,9 +99,6 @@ async def start_bot():
 
     logger.info("TeleGuard is running...")
     await client.run_until_disconnected()
-
-
-
     
 # 主函数
 def run():