fix: 현재 스토리지에서 관리하지 않는 이미지 삭제 건너뛰기 (#593)

Author: g0rnn

server/src/main/java/wap/web2/server/project/service/ProjectService.java

@@ -179,6 +179,10 @@ public String update(Long projectId, ProjectRequest request, UserPrincipal userP
         List<String> removedImageUrls = project.removeImages(getRemovalTargets(request));
         for (String imageUrl : removedImageUrls) {
             log.info("[프로젝트 수정] 삭제하려는 image url: {}", imageUrl);
+            if (!objectStorageService.supports(imageUrl)) {
+                log.info("[프로젝트 수정] 현재 스토리지에서 관리하지 않는 image url 이므로 물리 삭제를 건너뜁니다: {}", imageUrl);
+                continue;
+            }
             objectStorageService.deleteImage(imageUrl);
         }
 

server/src/main/java/wap/web2/server/storage/ObjectStorageService.java

@@ -24,6 +24,8 @@ String uploadImage(
             MultipartFile imageFile
     ) throws IOException;
 
+    boolean supports(String imageUrl);
+
     void deleteImage(String imageUrl);
 
 }

server/src/main/java/wap/web2/server/storage/impl/AzureStorageService.java

@@ -78,6 +78,16 @@ public void deleteImage(String imageUrl) {
         blobContainerClient.getBlobClient(blobName).delete();
     }
 
+    @Override
+    public boolean supports(String imageUrl) {
+        try {
+            extractBlobNameFromUrl(imageUrl);
+            return true;
+        } catch (IllegalArgumentException e) {
+            return false;
+        }
+    }
+
     private void validateImage(MultipartFile imageFile) {
         if (imageFile.isEmpty()) {
             throw new IllegalArgumentException("[ERROR] 파일이 비어있습니다.");

server/src/main/java/wap/web2/server/storage/impl/OracleObjectStorageService.java

@@ -87,6 +87,17 @@ public void deleteImage(String imageUrl) {
         objectStorageClient.deleteObject(deleteObjectRequest);
     }
 
+    @Override
+    public boolean supports(String imageUrl) {
+        try {
+            extractObjectNameFromUrl(imageUrl);
+            return imageUrl.contains("objectstorage." + properties.getRegion() + ".oraclecloud.com")
+                    && imageUrl.contains("/n/" + properties.getNamespace() + "/b/" + properties.getBucketName() + "/o/");
+        } catch (IllegalArgumentException e) {
+            return false;
+        }
+    }
+
     private String getOriginalFileName(MultipartFile multipartFile) {
         String originalFilename = multipartFile.getOriginalFilename();
         if (originalFilename == null) {

server/src/main/java/wap/web2/server/storage/impl/S3ObjectStorageService.java

@@ -80,6 +80,17 @@ public void deleteImage(String imageUrl) {
         s3Client.deleteObject(deleteRequest);
     }
 
+    @Override
+    public boolean supports(String imageUrl) {
+        try {
+            URI uri = URI.create(imageUrl);
+            String host = uri.getHost();
+            return host != null && host.startsWith(s3Properties.getS3().getBucketName() + ".s3.");
+        } catch (IllegalArgumentException e) {
+            return false;
+        }
+    }
+
     private String extractKeyFromUrl(String url) {
         URI uri = URI.create(url);
         String path = uri.getPath();

server/src/test/java/wap/web2/server/project/service/ProjectServiceTest.java

@@ -119,6 +119,7 @@ void setUp() {
 
         when(userRepository.findById(owner.getId())).thenReturn(Optional.of(owner));
         when(projectRepository.findById(project.getProjectId())).thenReturn(Optional.of(project));
+        when(objectStorageService.supports("https://cdn.example.com/a.png")).thenReturn(true);
 
         ProjectRequest request = baseRequestBuilder()
                 .removal(List.of("https://cdn.example.com/a.png", "https://cdn.example.com/missing.png"))
@@ -135,6 +136,31 @@ void setUp() {
         verify(objectStorageService, never()).deleteImage("https://cdn.example.com/missing.png");
     }
 
+    @Test
+    void 현재_스토리지에서_관리하지_않는_이미지는_프로젝트_컬렉션에서만_제거한다() throws Exception {
+        // given
+        User owner = owner();
+        UserPrincipal principal = principal(owner.getId());
+        Project project = project(owner);
+        String legacyS3Url = "https://waps-bucket.s3.ap-northeast-2.amazonaws.com/projects/2025-2/test/image.png";
+        project.addAllImage(Image.listOf(List.of(legacyS3Url)));
+
+        when(userRepository.findById(owner.getId())).thenReturn(Optional.of(owner));
+        when(projectRepository.findById(project.getProjectId())).thenReturn(Optional.of(project));
+        when(objectStorageService.supports(legacyS3Url)).thenReturn(false);
+
+        ProjectRequest request = baseRequestBuilder()
+                .removal(List.of(legacyS3Url))
+                .build();
+
+        // when
+        projectService.update(project.getProjectId(), request, principal);
+
+        // then
+        assertThat(project.getImages()).isEmpty();
+        verify(objectStorageService, never()).deleteImage(legacyS3Url);
+    }
+
     private ProjectRequest.ProjectRequestBuilder baseRequestBuilder() {
         return ProjectRequest.builder()
                 .title("updated title")