add OAUth2.0

app/Services/StorageRepositoryService.php

@@ -4,7 +4,9 @@ declare(strict_types=1);
 
 namespace App\Services;
 
+use App\Enums\GoogleService;
 use App\Models\StorageRepository;
+use App\Services\GoogleOAuthService;
 use Illuminate\Support\Facades\Crypt;
 use Illuminate\Support\Facades\Log;
 use League\Flysystem\Filesystem;
@@ -69,6 +71,20 @@ class StorageRepositoryService
     private function checkGoogleDriveApiStatus(array $config): ?string
     {
         try {
+            try {
+                $oauth = app(GoogleOAuthService::class);
+                $connection = $oauth->getConnection(GoogleService::Drive);
+                if ($connection) {
+                    $client = $oauth->buildClient(GoogleService::Drive);
+                    $service = new \Google_Service_Drive($client);
+                    $rootId = $config['root_folder_id'] ?? 'root';
+                    $service->files->get($rootId, ['fields' => 'id']);
+                    return null;
+                }
+            } catch (\Exception $e) {
+                // fall through to config-based auth
+            }
+
             $client = new \Google_Client();
             $client->setClientId($config['client_id']);
             $client->setClientSecret($config['client_secret']);
@@ -244,6 +260,18 @@ class StorageRepositoryService
     {
         $config = $repo->getDecryptedConfig();
 
+        try {
+            $oauth = app(GoogleOAuthService::class);
+            $connection = $oauth->getConnection(GoogleService::Drive);
+            if ($connection) {
+                $client = $oauth->buildClient(GoogleService::Drive);
+                $service = new \Google_Service_Drive($client);
+                return $this->readGoogleDriveFileWithService($service, $config, $normalizedPath, $basename);
+            }
+        } catch (\Exception $e) {
+            \Illuminate\Support\Facades\Log::warning('Central Google Drive OAuth failed in readGoogleDriveFile, falling back: ' . $e->getMessage());
+        }
+
         $client = new \Google_Client();
         $client->setClientId($config['client_id']);
         $client->setClientSecret($config['client_secret']);
@@ -283,6 +311,40 @@ class StorageRepositoryService
         ];
     }
 
+
+    private function readGoogleDriveFileWithService(\Google_Service_Drive $service, array $config, string $normalizedPath, string $basename): array
+    {
+        $rootFolderId = $config['root_folder_id'] ?? 'root';
+
+        $fileId = $this->findGoogleDriveFileId($service, $rootFolderId, $normalizedPath);
+        $file = $service->files->get($fileId, ['fields' => 'id,name,mimeType,size']);
+
+        $mimeType = $file->getMimeType();
+
+        if ($mimeType && str_starts_with($mimeType, 'application/vnd.google-apps.')) {
+            return $this->exportGoogleDriveDoc($service, $fileId, $mimeType, $basename);
+        }
+
+        $response = $service->files->get($fileId, ['alt' => 'media']);
+        $body = $response->getBody();
+        $stream = $body instanceof \Psr\Http\Message\StreamInterface ? $body->detach() : null;
+
+        if (!$stream) {
+            $stream = fopen('php://temp', 'r+');
+            fwrite($stream, (string) $body);
+            rewind($stream);
+        }
+
+        $fileSize = $file->getSize();
+
+        return [
+            'stream' => $stream,
+            'mimeType' => $mimeType,
+            'basename' => $basename,
+            'fileSize' => $fileSize !== null ? (int) $fileSize : null,
+        ];
+    }
+
     private function exportGoogleDriveDoc(\Google_Service_Drive $service, string $fileId, string $googleMimeType, string $originalBasename): array
     {
         $exportMap = [