setupWebhook.php

<?php

// if you move the example in the root of your project, you must change the path of the require_once below
require_once __DIR__ . "/../vendor/autoload.php";

use TuriBot\Client;


if (!function_exists("curl_version")) {
    exit("You must install or enable php-curl");
}

if (isset($_POST["yes"]) and $_POST["yes"] !== "") {
    exit("Error, invalid parameter");
}

if (isset($_POST["no"]) and $_POST["no"] !== "") {
    exit("Error, invalid parameter");
}

if (isset($_POST["api"])) {
    $token = explode(":", $_POST["api"]);
    if ((!is_numeric($token[0])) or (!(sizeof($token) === 2)) or (!(preg_match_all("/[a-zA-Z0-9_-]/", $token[1],
                $matches, PREG_SET_ORDER, 0) === strlen($token[1])))) {
        exit("Invalid token");
    }
}

if (isset($_POST["link"])) {
    if (!(stripos($_POST["link"], "https://") === 0)) {
        exit("The link must have https://");
    }
}

if (isset($_POST["connections"]) and !((1 <= $_POST["connections"]) and ($_POST["connections"] <= 100))) {
    exit("The connections parameter must be a number between 1 and 100");
}


echo "<form action=\"setupWebhook.php\" method=\"POST\">";

if (isset($_POST["yes"])) {

    if (isset($_POST["link"])) {
        $link = strip_tags($_POST["link"]);
    } else {
        $link = "https://" . $_SERVER["HTTP_HOST"] . $_SERVER["REQUEST_URI"];
        $explode = explode("setupWebhook.php", $link);
        $link = $explode[0] . "webhook.php";
    }

    echo "<p><input type=\"hidden\" name=\"link\" value=\"" . htmlspecialchars($link) . "\" /></p>";
    echo "<p>Input API Token: <input type=\"text\" name=\"api\" value=\"\" style=\"width:400px;\" /></p>";
    echo "<p>Example: 123456:ABC-DEF1234ghIkl-zyx57W2v1u123ew11</p>";
    echo "<p><button type=\"submit\" name=\"submit\">Submit</button></p>";

} elseif (isset($_POST["connections"])) {

    $api = $_POST["api"];
    $link = strip_tags($_POST["link"]);
    $connections = $_POST["connections"];
    $link = $link . "?api=" . $api;

    $client = new Client($api);

    $responseWebhook = $client->setWebhook($link, null, null, $connections);
    $response = $client->getMe();

    if (($responseWebhook->description == "Webhook was set" or $responseWebhook->description == "Webhook is already set") and $response->ok == true) {
        $username = $response->result->username;
        echo "Setup successful: <a href=\"https://t.me/" . $username . "\"> @" . $username . "</a>";
    } else {
        echo "Setup failed: API TOKEN wrong or impossible to connect to Telegram";
        echo "<p>" . htmlspecialchars($response->result->description) . "</p>";
        echo "<p>Click here to try the setup again: <button type=\"submit\" name=\"reset\">Reset</button></p>";
    }

} elseif (isset($_POST["api"])) {

    $api = $_POST["api"];
    $link = strip_tags($_POST["link"]);

    echo "<p><input type=\"hidden\" name=\"api\" value=\"" . htmlspecialchars($api) . "\" /></p>";
    echo "<p><input type=\"hidden\" name=\"link\" value=\"" . htmlspecialchars($link) . "\" /></p>";
    echo "<p>Input max connections: <input type=\"number\" name=\"connections\" min=\"0\" max=\"100\" value=\"100\"></p>";
    echo "<p>Maximum allowed number of simultaneous HTTPS connections to the webhook for update delivery, 1-100. Defaults of Bot APIs is 40. Use lower values to limit the load on your bot‘s server, and higher values to increase your bot’s throughput.</p>";
    echo "<p><button type=\"submit\" name=\"submit\">Submit</button>";
    echo "<button type=\"submit\" name=\"skip\">Skip</button></p>";

} elseif (isset($_POST["no"])) {

    echo "<p>Input Link: <input type=\"text\" name=\"link\" value=\"\" style=\"width:400px;\"/></p>";
    echo "<p>HTTPS link is required!</p>";
    echo "<p>Example: https://mysite.com/bot/index.php</p>";
    echo "<p><button type=\"submit\" name=\"yes\">Submit</button></p>";

} else {

    $actual_link = "https://" . $_SERVER["HTTP_HOST"] . $_SERVER["REQUEST_URI"];
    $explode = explode("setupWebhook.php", $actual_link);

    echo "<p>Is the link correct?</p>";
    echo "<p>" . htmlspecialchars($explode[0]) . "webhook.php</p>";
    echo "<p><button type=\"submit\" name=\"yes\">Yes</button>";
    echo "<button type=\"submit\" name=\"no\">No</button></p>";

}

echo "</form>";