diff --git a/check.php b/check.php
new file mode 100644
index 0000000..4553a06
--- /dev/null
+++ b/check.php
@@ -0,0 +1,12 @@
+getMessage());
+ }
+ header('Location: index.php');
+ ?>
\ No newline at end of file
diff --git a/index.php b/index.php
index de155b0..c1df4f1 100644
--- a/index.php
+++ b/index.php
@@ -21,6 +21,12 @@ if (isset($_GET['ajax']))
$offset = $_GET['offset'];
}
+if (isset($_GET['subscriber_logout'])){
+ setcookie('tg_user', '');
+ setcookie('referer', '', time() - 3600);
+ header('Location: index.php');
+}
+
Template::render_header("Status");
?>
diff --git a/telegram.php b/telegram.php
index f1ac554..bf25641 100644
--- a/telegram.php
+++ b/telegram.php
@@ -18,4 +18,46 @@ function getTelegramUserData() {
return $auth_data;
}
return false;
-}
\ No newline at end of file
+}
+/**
+ * Check if data is from telegram
+ *
+ * This checks if the data provides is from telegram. It includes a Fix for firefox
+ *
+ * @param mixed $auth_data The Authentication Data
+ *
+ * @return $auth_data
+ *
+*/
+function checkTelegramAuthorization($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;
+ $data_check_arr[] = $key . '=' . str_replace('https:/t', 'https://t', $value);
+ }
+ sort($data_check_arr);
+ $data_check_string = implode("\n", $data_check_arr);
+ $secret_key = hash('sha256', TG_BOT_API_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+ throw new Exception('Data is outdated');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 $auth_data;
+ }
+
+
+/**
+ * Save telegram userdata
+ *
+ * Save the telegram user data in a cookie
+ * @return void
+ */
+function saveTelegramUserData($auth_data) {
+ $auth_data_json = json_encode($auth_data);
+ setcookie('tg_user', $auth_data_json);
+ }
\ No newline at end of file
diff --git a/template.php b/template.php
index 286ac36..57a2178 100644
--- a/template.php
+++ b/template.php
@@ -1,3 +1,4 @@
+<<<<<<< HEAD
-
+ Logout';
+ } else {
+ echo ' ';
+ }
+ ?>