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<?php erLhcoreClassRestAPIHandler::setHeaders(); // Get JSON input from POST body $input = json_decode(file_get_contents('php://input'), true); // Get form data from JSON input only $fileId = isset($input['file_id']) ? $input['file_id'] : null; $securityHash = isset($input['security_hash']) ? $input['security_hash'] : null; $chatId = isset($input['chat_id']) ? $input['chat_id'] : null; $hash = isset($input['hash']) ? $input['hash'] : null; // Validate required parameters if (!empty($fileId) && !empty($securityHash)) { try { // Try to load the chat file $chatFile = erLhcoreClassModelChatFile::fetch($fileId); if ($chatFile !== false) { // Verify access permissions $hasAccess = false; // Check if it's a chat file and user has access to the chat if (!empty($chatId) && !empty($hash)) { try { $chat = erLhcoreClassModelChat::fetch((int)$chatId); if ($chat !== false && $chat->id == $chatFile->chat_id && $chat->hash === $hash) { // Additional validation: check if chat is in valid status for file operations if (in_array($chat->status, [ erLhcoreClassModelChat::STATUS_PENDING_CHAT, erLhcoreClassModelChat::STATUS_ACTIVE_CHAT, erLhcoreClassModelChat::STATUS_BOT_CHAT ])) { $hasAccess = true; } } } catch (Exception $e) { // Chat not found or invalid } } // Verify security hash matches if ($hasAccess && $chatFile->security_hash === $securityHash) { // Remove from database $chatFile->removeThis(); echo json_encode(array('error' => false, 'msg' => 'File removed successfully')); } else { echo json_encode(array('error' => true, 'msg' => 'Access denied or invalid security hash')); } } else { echo json_encode(array('error' => true, 'msg' => 'File not found')); } } catch (Exception $e) { echo json_encode(array('error' => true, 'msg' => 'Error removing file: ' . $e->getMessage())); } } else { echo json_encode(array('error' => true, 'msg' => 'Missing required parameters')); } exit; ?>

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