From cf5628580544a243df3674b4d9d2c9ec97f127cb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=EA=B9=80=EB=B3=B4=EA=B3=A4?=
 <lightone2017@codebridge-x.com>
Date: Sun, 15 Feb 2026 16:50:20 +0900
Subject: [PATCH] =?UTF-8?q?fix:GCS=20=EC=84=9C=EB=AA=85=20URL=20=EA=B2=BD?=
 =?UTF-8?q?=EB=A1=9C=20=EC=A4=91=EB=B3=B5=20=EB=B2=84=EA=B7=B8=20=EC=88=98?=
 =?UTF-8?q?=EC=A0=95=20(gs://=20prefix=20=EC=A0=9C=EA=B1=B0)?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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upload()이 gs://bucket/path 형식으로 저장하지만 getSignedUrl()과
delete()는 path만 기대하여 URL에 경로가 중복됨 → 404 발생
stripGsPrefix()로 자동 변환하여 해결

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
---
 app/Services/GoogleCloudStorageService.php | 28 ++++++++++++++++++++--
 1 file changed, 26 insertions(+), 2 deletions(-)

diff --git a/app/Services/GoogleCloudStorageService.php b/app/Services/GoogleCloudStorageService.php
index c00e30b2..e65e5357 100644
--- a/app/Services/GoogleCloudStorageService.php
+++ b/app/Services/GoogleCloudStorageService.php
@@ -169,7 +169,7 @@ public function upload(string $filePath, string $objectName): ?string
     /**
      * GCS에서 서명된 다운로드 URL 생성
      *
-     * @param string $objectName GCS 객체 이름
+     * @param string $objectName GCS 객체 이름 또는 gs:// URI
      * @param int $expiresInMinutes URL 유효 시간 (분)
      * @return string|null 서명된 URL 또는 실패 시 null
      */
@@ -179,6 +179,8 @@ public function getSignedUrl(string $objectName, int $expiresInMinutes = 60): ?s
             return null;
         }
 
+        $objectName = $this->stripGsPrefix($objectName);
+
         $expiration = time() + ($expiresInMinutes * 60);
         $stringToSign = "GET\n\n\n{$expiration}\n/{$this->bucketName}/{$objectName}";
 
@@ -205,7 +207,7 @@ public function getSignedUrl(string $objectName, int $expiresInMinutes = 60): ?s
     /**
      * GCS에서 파일 삭제
      *
-     * @param string $objectName GCS 객체 이름
+     * @param string $objectName GCS 객체 이름 또는 gs:// URI
      * @return bool 성공 여부
      */
     public function delete(string $objectName): bool
@@ -214,6 +216,8 @@ public function delete(string $objectName): bool
             return false;
         }
 
+        $objectName = $this->stripGsPrefix($objectName);
+
         $accessToken = $this->getAccessToken();
         if (!$accessToken) {
             return false;
@@ -297,6 +301,26 @@ private function base64UrlEncode(string $data): string
         return rtrim(strtr(base64_encode($data), '+/', '-_'), '=');
     }
 
+    /**
+     * gs://bucket-name/objectName → objectName 변환
+     *
+     * upload()가 gs:// URI를 반환하므로, getSignedUrl/delete에서 자동 처리
+     */
+    private function stripGsPrefix(string $objectName): string
+    {
+        $prefix = 'gs://' . $this->bucketName . '/';
+        if (str_starts_with($objectName, $prefix)) {
+            return substr($objectName, strlen($prefix));
+        }
+
+        // gs://다른-버킷/ 형태도 처리
+        if (str_starts_with($objectName, 'gs://')) {
+            $objectName = preg_replace('#^gs://[^/]+/#', '', $objectName);
+        }
+
+        return $objectName;
+    }
+
     /**
      * 버킷 이름 반환
      */