Create amora

.github/amora

@@ -0,0 +1,40 @@
+<?php
+
+define('BOT_TOKEN', 'XXXXXXXX:XXXXXXXXXXXXXXXXXXXXXXXX'); // place bot token of your bot here
+
+function checkTelegramAuthorization($auth_data) {
+  $check_hash = $auth_data['hash'];
+  unset($auth_data['hash']);
+  $data_check_arr = [];
+  foreach ($auth_data as $key => $value) {
+    $data_check_arr[] = $key . '=' . $value;
+  }
+  sort($data_check_arr);
+  $data_check_string = implode("\n", $data_check_arr);
+  $secret_key = hash('sha256', BOT_TOKEN, true);
+  $hash = hash_hmac('sha256', $data_check_string, $secret_key);
+  if (strcmp($hash, $check_hash) !== 0) {
+    throw new Exception('Data is NOT from Telegram');
+  }
+  if ((time() - $auth_data['auth_date']) > 86400) {
+    throw new Exception('Data is outdated');
+  }
+  return $auth_data;
+}
+
+function saveTelegramUserData($auth_data) {
+  $auth_data_json = json_encode($auth_data);
+  setcookie('tg_user', $auth_data_json);
+}
+
+
+try {
+  $auth_data = checkTelegramAuthorization($_GET);
+  saveTelegramUserData($auth_data);
+} catch (Exception $e) {
+  die ($e->getMessage());
+}
+
+header('Location: login_example.php');
+
+?>