From e09b4b2ad7d4550e1a15caa21962b0acedbab872 Mon Sep 17 00:00:00 2001
From: mysubcult <mysubcult1@gmail.com>
Date: Mon, 3 Aug 2026 17:14:22 +0400
Subject: [PATCH] Send Telegram chat files by URL

---
 bootstrap/bootstrap.php | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/bootstrap/bootstrap.php b/bootstrap/bootstrap.php
index 20d3c3a..a8194ad 100644
--- a/bootstrap/bootstrap.php
+++ b/bootstrap/bootstrap.php
@@ -472,7 +472,7 @@ private function sendTelegramChatFile($tchat, $fileData, $caption, $disableNotif
             'chat_id' => $tchat->bot->group_chat_id,
             'message_thread_id' => $tchat->tchat_id,
             'parse_mode' => 'HTML',
-            $field => Longman\TelegramBot\Request::encodeFile($file->file_path_server)
+            $field => $this->getTelegramChatFileUrl($file)
         );
 
         if ($caption !== '') {
@@ -517,6 +517,20 @@ private function sendTelegramChatFile($tchat, $fileData, $caption, $disableNotif
 
         return true;
     }
+
+    private function getTelegramChatFileUrl($file)
+    {
+        $URLHash = '';
+
+        if ($file->chat_id > 0) {
+            $tsHash = time();
+            $temporaryHash = sha1($file->id . '_' . $file->hash . '_' . $tsHash . '_' . erConfigClassLhConfig::getInstance()->getSetting('site', 'secrethash'));
+            $URLHash = "/(vhash)/{$temporaryHash}/(vts)/{$tsHash}";
+        }
+
+        return erLhcoreClassSystem::getHost() . erLhcoreClassDesign::baseurldirect('file/downloadfile') . "/{$file->id}/{$file->security_hash}{$URLHash}";
+    }
+
     public function messageAdded($params)
     {
         $chat = $params['chat'];