diff --git a/server.php b/server.php
index 46edbb2..202569d 100644
--- a/server.php
+++ b/server.php
@@ -1,5 +1,6 @@
 <?php
 
+use TelegramApiServer\Files;
 use TelegramApiServer\Migrations\SessionsMigration;
 use TelegramApiServer\Migrations\SwooleToAmpMigration;
 
@@ -68,10 +69,10 @@ foreach ($options['session'] as $session) {
         throw new InvalidArgumentException('Session name specified as directory');
     }
 
-    $session = TelegramApiServer\Client::getSessionFile($session);
+    $session = Files::getSessionFile($session);
 
     if (preg_match('~[' . preg_quote('*?[]!', '~') . ']~', $session)) {
-        $sessions = glob($session);
+        $sessions = Files::globRecursive($session);
     } else {
         $sessions[] = $session;
     }
diff --git a/src/Client.php b/src/Client.php
index f0b9de9..625ac9c 100644
--- a/src/Client.php
+++ b/src/Client.php
@@ -14,53 +14,9 @@ use function Amp\call;
 
 class Client
 {
-    public static string $sessionExtension = '.madeline';
-    public static string $sessionFolder = 'sessions';
     /** @var MadelineProto\API[] */
     public array $instances = [];
 
-    /**
-     * @param string|null $session
-     *
-     * @return string|null
-     */
-    public static function getSessionFile(?string $session): ?string
-    {
-        if (!$session) {
-            return null;
-        }
-        $session = trim(trim($session), '/');
-        $session = static::$sessionFolder . '/' . $session . static::$sessionExtension;
-        $session = str_replace('//', '/', $session);
-        return $session;
-    }
-
-    public static function getSessionName(?string $sessionFile): ?string
-    {
-        if (!$sessionFile) {
-            return null;
-        }
-
-        preg_match(
-            '~' . static::$sessionFolder . "/(?'sessionName'.*?)" . static::$sessionExtension . '$~',
-            $sessionFile,
-            $matches
-        );
-
-        return $matches['sessionName'] ?? null;
-    }
-
-    public static function checkOrCreateSessionFolder(string $session): void
-    {
-        $directory = dirname($session);
-        if ($directory && $directory !== '.' && !is_dir($directory)) {
-            $parentDirectoryPermissions = fileperms(ROOT_DIR);
-            if (!mkdir($directory, $parentDirectoryPermissions, true) && !is_dir($directory)) {
-                throw new RuntimeException(sprintf('Directory "%s" was not created', $directory));
-            }
-        }
-    }
-
     private static function isSessionLoggedIn(MadelineProto\API $instance): bool
     {
         return ($instance->API->authorized ?? MTProto::NOT_LOGGED_IN) === MTProto::LOGGED_IN;
@@ -71,7 +27,7 @@ class Client
         warning(PHP_EOL . 'Starting MadelineProto...' . PHP_EOL);
 
         foreach ($sessionFiles as $file) {
-            $sessionName = static::getSessionName($file);
+            $sessionName = Files::getSessionName($file);
             $instance = $this->addSession($sessionName);
             $this->runSession($instance);
         }
@@ -90,8 +46,8 @@ class Client
         if (isset($this->instances[$session])) {
             throw new InvalidArgumentException('Session already exists');
         }
-        $file = static::getSessionFile($session);
-        static::checkOrCreateSessionFolder($file);
+        $file = Files::getSessionFile($session);
+        Files::checkOrCreateSessionFolder($file);
         $settings = array_replace_recursive((array) Config::getInstance()->get('telegram'), $settings);
         $instance = new MadelineProto\API($file, $settings);
         $instance->async(true);
@@ -190,7 +146,7 @@ class Client
 
     private function loop(MadelineProto\API $instance, callable $callback = null): void
     {
-        $sessionName = static::getSessionName($instance->session);
+        $sessionName = Files::getSessionName($instance->session);
         try {
             $callback ? $instance->loop($callback) : $instance->loop();
         } catch (\Throwable $e) {
diff --git a/src/EventObservers/EventHandler.php b/src/EventObservers/EventHandler.php
index 999e4a1..f07bca2 100644
--- a/src/EventObservers/EventHandler.php
+++ b/src/EventObservers/EventHandler.php
@@ -3,7 +3,7 @@
 namespace TelegramApiServer\EventObservers;
 
 use danog\MadelineProto\APIWrapper;
-use TelegramApiServer\Client;
+use TelegramApiServer\Files;
 
 class EventHandler extends \danog\MadelineProto\EventHandler
 {
@@ -12,7 +12,7 @@ class EventHandler extends \danog\MadelineProto\EventHandler
 
     public function __construct(APIWrapper $MadelineProto)
     {
-        $this->sessionName = Client::getSessionName($MadelineProto->session);
+        $this->sessionName = Files::getSessionName($MadelineProto->session);
         if (empty(static::$instances[$this->sessionName])) {
             static::$instances[$this->sessionName] = true;
             parent::__construct($MadelineProto);
diff --git a/src/Files.php b/src/Files.php
new file mode 100644
index 0000000..532020b
--- /dev/null
+++ b/src/Files.php
@@ -0,0 +1,62 @@
+<?php
+
+namespace TelegramApiServer;
+
+class Files
+{
+
+    public static string $sessionExtension = '.madeline';
+    public static string $sessionFolder = 'sessions';
+
+    public static function checkOrCreateSessionFolder(string $session): void
+    {
+        $directory = dirname($session);
+        if ($directory && $directory !== '.' && !is_dir($directory)) {
+            $parentDirectoryPermissions = fileperms(ROOT_DIR);
+            if (!mkdir($directory, $parentDirectoryPermissions, true) && !is_dir($directory)) {
+                throw new RuntimeException(sprintf('Directory "%s" was not created', $directory));
+            }
+        }
+    }
+
+    public static function getSessionName(?string $sessionFile): ?string
+    {
+        if (!$sessionFile) {
+            return null;
+        }
+
+        preg_match(
+            '~' . Files::$sessionFolder . "/(?'sessionName'.*?)" . Files::$sessionExtension . '$~',
+            $sessionFile,
+            $matches
+        );
+
+        return $matches['sessionName'] ?? null;
+    }
+
+    /**
+     * @param string|null $session
+     *
+     * @return string|null
+     */
+    public static function getSessionFile(?string $session): ?string
+    {
+        if (!$session) {
+            return null;
+        }
+        $session = trim(trim($session), '/');
+        $session = Files::$sessionFolder . '/' . $session . Files::$sessionExtension;
+        $session = str_replace('//', '/', $session);
+        return $session;
+    }
+
+    public static function globRecursive($pattern, $flags = 0): array
+    {
+        $files = glob($pattern, $flags) ?: [];
+        foreach (glob(dirname($pattern).'/*', GLOB_ONLYDIR|GLOB_NOSORT) as $dir) {
+            $files = [...$files, ...static::globRecursive($dir.'/'.basename($pattern), $flags)];
+        }
+        return $files;
+    }
+
+}
\ No newline at end of file
diff --git a/src/MadelineProtoExtensions/SystemApiExtensions.php b/src/MadelineProtoExtensions/SystemApiExtensions.php
index 68ce9ff..c6696a5 100644
--- a/src/MadelineProtoExtensions/SystemApiExtensions.php
+++ b/src/MadelineProtoExtensions/SystemApiExtensions.php
@@ -6,6 +6,7 @@ use Amp\Promise;
 use danog\MadelineProto;
 use danog\MadelineProto\MTProto;
 use TelegramApiServer\Client;
+use TelegramApiServer\Files;
 use function Amp\call;
 
 class SystemApiExtensions
@@ -60,7 +61,7 @@ class SystemApiExtensions
 
             $sessions[$session] = [
                 'session' => $session,
-                'file' => Client::getSessionFile($session),
+                'file' => Files::getSessionFile($session),
                 'status' => $status,
             ];
         }
@@ -74,7 +75,7 @@ class SystemApiExtensions
     public function removeSessionFile($session)
     {
         return call(static function() use($session) {
-            $file = Client::getSessionFile($session);
+            $file = Files::getSessionFile($session);
             if (is_file($file)) {
                 yield \Amp\File\unlink($file);
                 yield \Amp\File\unlink($file . '.lock');
diff --git a/src/Migrations/SessionsMigration.php b/src/Migrations/SessionsMigration.php
index b2fb43a..fc9b265 100644
--- a/src/Migrations/SessionsMigration.php
+++ b/src/Migrations/SessionsMigration.php
@@ -2,22 +2,22 @@
 
 namespace TelegramApiServer\Migrations;
 
-use TelegramApiServer\Client;
+use TelegramApiServer\Files;
 
 class SessionsMigration
 {
     public static function move($rootDir = ROOT_DIR)
     {
-        foreach (glob("$rootDir/*" . Client::$sessionExtension) as $oldFile) {
+        foreach (glob("$rootDir/*" . Files::$sessionExtension) as $oldFile) {
             preg_match(
-                '~^' . "{$rootDir}(?'session'.*)" . preg_quote(Client::$sessionExtension, '\\') . '$~',
+                '~^' . "{$rootDir}(?'session'.*)" . preg_quote(Files::$sessionExtension, '\\') . '$~',
                 $oldFile,
                 $matches
             );
 
             if ($session = $matches['session'] ?? null) {
-                $session = Client::getSessionFile($session);
-                Client::checkOrCreateSessionFolder($session);
+                $session = Files::getSessionFile($session);
+                Files::checkOrCreateSessionFolder($session);
 
                 rename($oldFile, "{$rootDir}/{$session}");
                 rename("{$oldFile}.lock", "{$rootDir}/{$session}.lock");