feat(#111): Download presigned-url 생성

- 파일을 조회하기 위한 presigned-url을 생성하는 기능을 만들었어요.
Bamdoliro · Aug 1, 2024 · 24f3df3 · 24f3df3
1 parent a0a735b
commit 24f3df3
Showing 1 changed file with 22 additions and 12 deletions.
diff --git a/src/main/java/com/bamdoliro/maru/infrastructure/s3/UploadFileService.java b/src/main/java/com/bamdoliro/maru/infrastructure/s3/UploadFileService.java
@@ -52,31 +52,41 @@ public UploadResponse execute(MultipartFile file, String folder, String fileName
         );
     }
 
-    public UploadResponse getPresignedUrl(String folder, String fileName) {
+    public UploadResponse getUploadPresignedUrl(String folder, String fileName) {
         String fullFileName = createFileName(folder, fileName);
-        GeneratePresignedUrlRequest request = getGeneratePresignedUrlRequest(bucket, fullFileName);
+        GeneratePresignedUrlRequest request = getGenerateUploadPresignedUrlRequest(bucket, fullFileName);
 
         return new UploadResponse(
                 amazonS3Client.generatePresignedUrl(request).toString()
         );
     }
 
-    private GeneratePresignedUrlRequest getGeneratePresignedUrlRequest(String bucket, String fileName) {
-        GeneratePresignedUrlRequest request = new GeneratePresignedUrlRequest(bucket, fileName)
-                .withMethod(HttpMethod.PUT)
-                .withExpiration(getPresignedUrlExpiration());
-        request.addRequestParameter(
-                Headers.S3_CANNED_ACL,
-                CannedAccessControlList.PublicRead.toString()
+    public UploadResponse getDownloadPresignedUrl(String folder, String fileName) {
+        String fullFileName = createFileName(folder, fileName);
+        GeneratePresignedUrlRequest request = getGenerateDownloadPresignedUrlRequest(bucket, fullFileName);
+
+        return new UploadResponse(
+                amazonS3Client.generatePresignedUrl(request).toString()
         );
+    }
+
+    private GeneratePresignedUrlRequest getGenerateUploadPresignedUrlRequest(String bucket, String fileName) {
+        return new GeneratePresignedUrlRequest(bucket, fileName)
+                .withMethod(HttpMethod.PUT)
+                .withExpiration(getPresignedUrlExpiration(1));
+    }
+
+    private GeneratePresignedUrlRequest getGenerateDownloadPresignedUrlRequest(String bucket, String fileName) {
 
-        return request;
+        return new GeneratePresignedUrlRequest(bucket, fileName)
+                .withMethod(HttpMethod.GET)
+                .withExpiration(getPresignedUrlExpiration(60 * 10));
     }
 
-    private Date getPresignedUrlExpiration() {
+    private Date getPresignedUrlExpiration(int duration) {
         Date expiration = new Date();
         long expTimeMillis = expiration.getTime();
-        expTimeMillis += 1000 * 60 * 60;
+        expTimeMillis += 1000L * 60 * duration;
         expiration.setTime(expTimeMillis);
 
         return expiration;