Embedded Files
//NuGet\Install-Package libcurl.NET.x64 -Version 1.4.1
#include <iostream>
#include <string>
#include <curl/curl.h>
// Function to send a POST request to Telegram
bool sendTelegramMessage(const std::string& botToken, const std::string& chatId, const std::string& message) {
CURL* curl;
CURLcode res;
bool success = false;
// Initialize cURL
curl = curl_easy_init();
if (curl) {
// Validate message length
if (message.size() > INT_MAX) {
std::cerr << "Message too long to be escaped." << std::endl;
curl_easy_cleanup(curl);
return false;
}
// Construct the API URL
std::string apiUrl = "https://api.telegram.org/bot" + botToken + "/sendMessage";
// Construct the POST data
std::string postFields = "chat_id=" + chatId + "&text=" +
curl_easy_escape(curl, message.c_str(), static_cast<int>(message.size()));
// Set cURL options
curl_easy_setopt(curl, CURLOPT_URL, apiUrl.c_str());
curl_easy_setopt(curl, CURLOPT_POSTFIELDS, postFields.c_str());
// Perform the request
res = curl_easy_perform(curl);
// Check for errors
if (res != CURLE_OK) {
std::cerr << "cURL error: " << curl_easy_strerror(res) << std::endl;
}
else {
success = true;
}
// Cleanup
curl_easy_cleanup(curl);
}
else {
std::cerr << "Failed to initialize cURL." << std::endl;
}
return success;
}
int main() {
// Replace these with your actual bot token and chat ID
// Replace these with your actual bot token and chat ID
/*
1- Create a Telegram Bot and Get a Bot Token
telegram Start a chat with BotFather and use the command /newbot to create a new bot click start.
Provide a name for your bot (e.g., MyFirstBot). must end by bot
After creation, BotFather will send you a token
(a string that looks like 123456:ABC-DEF1234ghIkl-zyx57W2v1u123ew11).
std::string botToken = "123456:ABC-DEF1234ghIkl-zyx57W2v1u123ew11"
2-
Get Your Chat ID
https://api.telegram.org/bot<TOKEN>/getUpdates
https://api.telegram.org/bot123456:ABC-DEF1234ghIkl-zyx57W2v1u123ew11/getUpdates
If you're in a private chat, you’ll see your chat ID under "id"
If it's a group chat, ill have a negative sign (e.g., -123456789).
std::string chatId = "-123456789";
*/
std::string botToken = ""; // Your bot token
std::string chatId = ""; // Your chat ID (channel chat ID)
std::string message = "Hello from your C++ Telegram bot!"; // Message to send
// Send the message
if (sendTelegramMessage(botToken, chatId, message)) {
std::cout << "Message sent successfully!" << std::endl;
}
else {
std::cerr << "Failed to send message." << std::endl;
}
return 0;
}
Visual studio 2022
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