[#1] Setting: S3 설정 수정

src/main/java/Mua/Mua_backend/global/s3/controller/S3Controller.java

@@ -11,13 +11,13 @@
 import java.util.Map;
 
 @RestController
-@RequestMapping
+@RequestMapping("/api/s3")
 @RequiredArgsConstructor
 public class S3Controller {
 
     private final S3Service s3Service;
 
-    @GetMapping("/presigned")
+    @GetMapping("/presigned-upload")
     public Map<String, String> getPreSignedUploadUrl(
             @RequestParam String type,
             @RequestParam String contentType

src/main/java/Mua/Mua_backend/global/s3/service/S3Service.java

@@ -3,8 +3,11 @@
 import lombok.RequiredArgsConstructor;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Service;
+import software.amazon.awssdk.services.s3.S3Client;
+import software.amazon.awssdk.services.s3.model.DeleteObjectRequest;
 import software.amazon.awssdk.services.s3.model.PutObjectRequest;
 import software.amazon.awssdk.services.s3.presigner.S3Presigner;
+import software.amazon.awssdk.services.s3.presigner.model.GetObjectPresignRequest;
 import software.amazon.awssdk.services.s3.presigner.model.PresignedPutObjectRequest;
 
 import java.net.URL;
@@ -15,6 +18,7 @@
 @RequiredArgsConstructor
 public class S3Service {
 
+    private final S3Client s3Client;
     private final S3Presigner presigner;
 
     @Value("${cloud.aws.s3.bucket}")
@@ -45,4 +49,31 @@ public URL generatePreSignedUploadUrl(String key, String contentType) {
 
         return presignedRequest.url();
     }
+
+    public URL generatePreSignedGetUrl(String key) {
+        GetObjectPresignRequest request =
+                GetObjectPresignRequest.builder()
+                        .signatureDuration(Duration.ofMinutes(5))
+                        .getObjectRequest(r -> r
+                                .bucket(bucket)
+                                .key(key)
+                        )
+                        .build();
+
+        return presigner.presignGetObject(request).url();
+    }
+
+    public void delete(String key) {
+        if (key == null || key.isBlank()) {
+            return;
+        }
+
+        DeleteObjectRequest deleteRequest =
+                DeleteObjectRequest.builder()
+                        .bucket(bucket)
+                        .key(key)
+                        .build();
+
+        s3Client.deleteObject(deleteRequest);
+    }
 }