node-telegram-bot-api-upgrades

0.0.1 • Public • Published

Build Status Build status Coverage Status bitHound Score https://telegram.me/node_telegram_bot_api https://telegram.me/Yago_Perez

Node.js module to interact with official Telegram Bot API. A bot token is needed, to obtain one, talk to @botfather and create a new bot.

npm install node-telegram-bot-api
var TelegramBot = require('node-telegram-bot-api');
 
var token = 'YOUR_TELEGRAM_BOT_TOKEN';
// Setup polling way
var bot = new TelegramBot(token, {polling: true});
 
// Matches /echo [whatever]
bot.onText(/\/echo (.+)/, function (msg, match) {
  var fromId = msg.from.id;
  var resp = match[1];
  bot.sendMessage(fromId, resp);
});
 
// Any kind of message
bot.on('message', function (msg) {
  var chatId = msg.chat.id;
  // photo can be: a file path, a stream or a Telegram file_id
  var photo = 'cats.png';
  bot.sendPhoto(chatId, photo, {caption: 'Lovely kittens'});
});

There are some other examples on examples.

Events

Every time TelegramBot receives a message, it emits a message. Depending on which message was received, emits an event from this ones: text, audio, document, photo, sticker, video, voice, contact, location, new_chat_participant, left_chat_participant, new_chat_title, new_chat_photo, delete_chat_photo, group_chat_created. Its much better to listen a specific event rather than a message in order to stay safe from the content. TelegramBot emits inline_query when receives an Inline Query and chosen_inline_result when receives a ChosenInlineResult. Bot must be enabled on inline mode


WebHooks

Telegram only supports HTTPS connections to WebHooks, in order to set a WebHook a private key file and public certificate must be used. Since August 29, 2015 Telegram supports self signed ones, to generate them:

# Our private cert will be key.pem, keep in private this file. 
openssl genrsa -out key.pem 2048
# Our public certificate will be crt.pem 
openssl req -new -sha256 -key key.pem -out crt.pem

Once they are generated, the crt.pem can be provided to telegramBot.setWebHook(url, crt) as crt.

API Reference

TelegramBot

TelegramBot

Kind: global class
See: https://core.telegram.org/bots/api

new TelegramBot(token, [options])

Both request method to obtain messages are implemented. To use standard polling, set polling: true on options. Notice that webHook will need a SSL certificate. Emits message when a message arrives.

Param Type Default Description
token String Bot Token
[options] Object
[options.polling] Boolean | Object false Set true to enable polling or set options
[options.polling.timeout] String | Number 10 Polling time in seconds
[options.polling.interval] String | Number 2000 Interval between requests in miliseconds
[options.webHook] Boolean | Object false Set true to enable WebHook or set options
[options.webHook.key] String PEM private key to webHook server.
[options.webHook.cert] String PEM certificate (public) to webHook server.

telegramBot.getMe() ⇒ Promise

Returns basic information about the bot in form of a User object.

Kind: instance method of TelegramBot
See: https://core.telegram.org/bots/api#getme

telegramBot.setWebHook(url, [cert])

Specify an url to receive incoming updates via an outgoing webHook.

Kind: instance method of TelegramBot
See: https://core.telegram.org/bots/api#setwebhook

Param Type Description
url String URL where Telegram will make HTTP Post. Leave empty to delete webHook.
[cert] String | stream.Stream PEM certificate key (public).

telegramBot.getUpdates([timeout], [limit], [offset]) ⇒ Promise

Use this method to receive incoming updates using long polling

Kind: instance method of TelegramBot
Returns: Promise - Updates
See: https://core.telegram.org/bots/api#getupdates

Param Type Description
[timeout] Number | String Timeout in seconds for long polling.
[limit] Number | String Limits the number of updates to be retrieved.
[offset] Number | String Identifier of the first update to be returned.

telegramBot.sendMessage(chatId, text, [options]) ⇒ Promise

Send text message.

Kind: instance method of TelegramBot
See: https://core.telegram.org/bots/api#sendmessage

Param Type Description
chatId Number | String Unique identifier for the message recipient
text String Text of the message to be sent
[options] Object Additional Telegram query options

telegramBot.answerInlineQuery(inlineQueryId, results, [options]) ⇒ Promise

Send answers to an inline query.

Kind: instance method of TelegramBot
See: https://core.telegram.org/bots/api#answerinlinequery

Param Type Description
inlineQueryId String Unique identifier of the query
results Array.<InlineQueryResult> An array of results for the inline query
[options] Object Additional Telegram query options

telegramBot.forwardMessage(chatId, fromChatId, messageId) ⇒ Promise

Forward messages of any kind.

Kind: instance method of TelegramBot

Param Type Description
chatId Number | String Unique identifier for the message recipient
fromChatId Number | String Unique identifier for the chat where the original message was sent
messageId Number | String Unique message identifier

telegramBot.sendPhoto(chatId, photo, [options]) ⇒ Promise

Send photo

Kind: instance method of TelegramBot
See: https://core.telegram.org/bots/api#sendphoto

Param Type Description
chatId Number | String Unique identifier for the message recipient
photo String | stream.Stream | Buffer A file path or a Stream. Can also be a file_id previously uploaded
[options] Object Additional Telegram query options

telegramBot.sendAudio(chatId, audio, [options]) ⇒ Promise

Send audio

Kind: instance method of TelegramBot
See: https://core.telegram.org/bots/api#sendaudio

Param Type Description
chatId Number | String Unique identifier for the message recipient
audio String | stream.Stream | Buffer A file path, Stream or Buffer. Can also be a file_id previously uploaded.
[options] Object Additional Telegram query options

telegramBot.sendDocument(chatId, doc, [options]) ⇒ Promise

Send Document

Kind: instance method of TelegramBot
See: https://core.telegram.org/bots/api#sendDocument

Param Type Description
chatId Number | String Unique identifier for the message recipient
doc String | stream.Stream | Buffer A file path, Stream or Buffer. Can also be a file_id previously uploaded.
[options] Object Additional Telegram query options

telegramBot.sendSticker(chatId, sticker, [options]) ⇒ Promise

Send .webp stickers.

Kind: instance method of TelegramBot
See: https://core.telegram.org/bots/api#sendsticker

Param Type Description
chatId Number | String Unique identifier for the message recipient
sticker String | stream.Stream | Buffer A file path, Stream or Buffer. Can also be a file_id previously uploaded. Stickers are WebP format files.
[options] Object Additional Telegram query options

telegramBot.sendVideo(chatId, video, [options]) ⇒ Promise

Use this method to send video files, Telegram clients support mp4 videos (other formats may be sent as Document).

Kind: instance method of TelegramBot
See: https://core.telegram.org/bots/api#sendvideo

Param Type Description
chatId Number | String Unique identifier for the message recipient
video String | stream.Stream | Buffer A file path or Stream. Can also be a file_id previously uploaded.
[options] Object Additional Telegram query options

telegramBot.sendVoice(chatId, voice, [options]) ⇒ Promise

Send voice

Kind: instance method of TelegramBot
See: https://core.telegram.org/bots/api#sendvoice

Param Type Description
chatId Number | String Unique identifier for the message recipient
voice String | stream.Stream | Buffer A file path, Stream or Buffer. Can also be a file_id previously uploaded.
[options] Object Additional Telegram query options

telegramBot.sendChatAction(chatId, action) ⇒ Promise

Send chat action. typing for text messages, upload_photo for photos, record_video or upload_video for videos, record_audio or upload_audio for audio files, upload_document for general files, find_location for location data.

Kind: instance method of TelegramBot
See: https://core.telegram.org/bots/api#sendchataction

Param Type Description
chatId Number | String Unique identifier for the message recipient
action String Type of action to broadcast.

telegramBot.getUserProfilePhotos(userId, [offset], [limit]) ⇒ Promise

Use this method to get a list of profile pictures for a user. Returns a UserProfilePhotos object.

Kind: instance method of TelegramBot
See: https://core.telegram.org/bots/api#getuserprofilephotos

Param Type Description
userId Number | String Unique identifier of the target user
[offset] Number Sequential number of the first photo to be returned. By default, all photos are returned.
[limit] Number Limits the number of photos to be retrieved. Values between 1—100 are accepted. Defaults to 100.

telegramBot.sendLocation(chatId, latitude, longitude, [options]) ⇒ Promise

Send location. Use this method to send point on the map.

Kind: instance method of TelegramBot
See: https://core.telegram.org/bots/api#sendlocation

Param Type Description
chatId Number | String Unique identifier for the message recipient
latitude Float Latitude of location
longitude Float Longitude of location
[options] Object Additional Telegram query options

telegramBot.getFile(fileId) ⇒ Promise

Get file. Use this method to get basic info about a file and prepare it for downloading. Attention: link will be valid for 1 hour.

Kind: instance method of TelegramBot
See: https://core.telegram.org/bots/api#getfile

Param Type Description
fileId String File identifier to get info about

telegramBot.getFileLink(fileId) ⇒ Promise

Get link for file. Use this method to get link for file for subsequent use. Attention: link will be valid for 1 hour.

This method is a sugar extension of the (getFile)[#getfilefileid] method, which returns just path to file on remote server (you will have to manually build full uri after that).

Kind: instance method of TelegramBot
Returns: Promise - promise Promise which will have fileURI in resolve callback
See: https://core.telegram.org/bots/api#getfile

Param Type Description
fileId String File identifier to get info about

telegramBot.downloadFile(fileId, downloadDir) ⇒ Promise

Downloads file in the specified folder. This is just a sugar for (getFile)[#getfilefiled] method

Kind: instance method of TelegramBot
Returns: Promise - promise Promise, which will have filePath of downloaded file in resolve callback

Param Type Description
fileId String File identifier to get info about
downloadDir String Absolute path to the folder in which file will be saved

telegramBot.onText(regexp, callback)

Register a RegExp to test against an incomming text message.

Kind: instance method of TelegramBot

Param Type Description
regexp RegExp RegExp to be executed with exec.
callback function Callback will be called with 2 parameters, the msg and the result of executing regexp.exec on message text.

telegramBot.onReplyToMessage(chatId, messageId, callback)

Register a reply to wait for a message response.

Kind: instance method of TelegramBot

Param Type Description
chatId Number | String The chat id where the message cames from.
messageId Number | String The message id to be replied.
callback function Callback will be called with the reply message.

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