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Auto kick any joining users from Telegram group (deployed on Cloudflare Worker)
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| addEventListener('fetch', event => event.respondWith(handleRequest(event.request))); | |
| // Add environment variable `TGBOT_TOKEN` via Worker-Settings | |
| async function requestTelegramBotAPI(method, payload) { | |
| return fetch(`https://api.telegram.org/bot${TGBOT_TOKEN}/${method}`, { | |
| method: "POST", | |
| headers: { | |
| "Content-Type": "application/json; charset=utf-8" | |
| }, | |
| body: !payload ? undefined : JSON.stringify(payload) | |
| }); | |
| } | |
| // Add environment variable `MANAGE_TOKEN` via Worker-Settings | |
| const ManageToken = typeof MANAGE_TOKEN !== 'undefined' ? MANAGE_TOKEN : null; | |
| const RequestHandlers = { | |
| async '/tgWebhookDelete'(_, url) { | |
| if(!ManageToken || url.search !== `?${ManageToken}`) { | |
| return new Response('Access Denied', {status: 403}); | |
| } | |
| const result = await requestTelegramBotAPI('deleteWebhook'); | |
| return new Response(await result.text()); | |
| }, | |
| async '/tgWebhookSet'(_, url) { | |
| if(!ManageToken || url.search !== `?${ManageToken}`) { | |
| return new Response('Access Denied', {status: 403}); | |
| } | |
| const result = await requestTelegramBotAPI('setWebhook', { | |
| url: `https://${url.host}/tgPush`, | |
| allowed_updates: ['message'] | |
| }); | |
| return new Response(await result.text()); | |
| }, | |
| async '/tgPush'(request) { | |
| if(request.method !== "POST") { | |
| return new Response('Bad Request', {status: 400}); | |
| } | |
| const body = await request.json().catch(_ => ({})); | |
| const message = body.message; | |
| if(!message) { | |
| return; | |
| } | |
| if(message.new_chat_members) { | |
| for(const i in message.new_chat_members) { | |
| const u = message.new_chat_members[i]; | |
| await requestTelegramBotAPI('banChatMember', { | |
| chat_id: message.chat.id, | |
| user_id: u.id, | |
| until_date: Math.floor(new Date().getTime() / 1000) + 86400 | |
| }); | |
| } | |
| } | |
| if(message.left_chat_member || message.new_chat_members) { | |
| await requestTelegramBotAPI('deleteMessage', { | |
| chat_id: message.chat.id, | |
| message_id: message.message_id | |
| }); | |
| } | |
| } | |
| } | |
| async function handleRequest(request) { | |
| const url = new URL(request.url); | |
| if(typeof RequestHandlers[url.pathname] !== 'function') { | |
| return new Response('Not Found', {status: 404}); | |
| } | |
| const response = await RequestHandlers[url.pathname](request, url); | |
| return response || (new Response('WOW', {status: 200})); | |
| } |
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