PHP code example of kilogram / auth

1. Go to this page and download the library: Download kilogram/auth library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php.

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

kilogram / auth example snippets


use Kilogram\Auth\Validator;

$data = $_GET;

$validator = new Validator($_ENV['TELEGRAM_BOT_TOKEN']);

if ($validator->isValidLoginWidget($data)) {
    echo "Authenticated. User ID: " . $data['id'];
} else {
    echo "Authentication failed";
}


use Kilogram\Auth\Validator;
use Kilogram\Auth\Exceptions\InvalidDataException;
use Kilogram\Auth\Exceptions\ValidationException;

$data = $_GET;

$validator = new Validator($_ENV['TELEGRAM_BOT_TOKEN']);

try {
    $validator->validateLoginWidget($data);
    echo "Authenticated. Hello " . ($data['first_name'] ?? 'user');
} catch (InvalidDataException $e) {
    // Developer error: invalid input format (e.g. missing "hash")
    echo "Bad request: " . $e->getMessage();
} catch (ValidationException $e) {
    // Invalid signature: possible tampering
    echo "Authentication failed";
}


use Kilogram\Auth\Validator;

$initData = $_POST['initData'];

$validator = new Validator($_ENV['TELEGRAM_BOT_TOKEN']);

if ($validator->isValidWebApp($initData)) {
    echo "Web App authenticated";
} else {
    echo "Invalid initData";
}


use Kilogram\Auth\Validator;
use Kilogram\Auth\Exceptions\InvalidDataException;
use Kilogram\Auth\Exceptions\ValidationException;

$initData = $_POST['initData'];

$validator = new Validator($_ENV['TELEGRAM_BOT_TOKEN']);

try {
    $validator->validateWebApp($initData);
    echo "Web App authenticated";
} catch (InvalidDataException $e) {
    // Developer error: initData format is broken / empty
    echo "Bad request: " . $e->getMessage();
} catch (ValidationException $e) {
    // Invalid signature
    echo "Authentication failed";
}


use Kilogram\Auth\Validator;

$initData = $_POST['initData'];

if (Validator::isValidWebAppDataForThirdParty($initData, $botId)) {
    echo "Web App authenticated (Third-Party)!";
} else {
    echo "Invalid data";
}


use Kilogram\Auth\Validator;
use Kilogram\Auth\Exceptions\ValidationException;

$initData = $_POST['initData'];

try {
    Validator::validateWebAppDataForThirdParty($initData, $botId);
    echo "Web App authorized!";
} catch (ValidationException $e) {
    echo "Authentication failed";
}