이미지 S3 업로드 기능 구현

backend/ddang/build.gradle

@@ -67,6 +67,11 @@ dependencies {
  implementation 'ch.qos.logback.contrib:logback-json-classic:0.1.5'
  implementation 'net.logstash.logback:logstash-logback-encoder:6.1'
 
+ // aws
+ implementation platform('software.amazon.awssdk:bom:2.20.56')
+ implementation 'software.amazon.awssdk:s3'
+ implementation 'software.amazon.awssdk:cloudfront'
+
  implementation 'org.springframework.boot:spring-boot-starter-validation'
  implementation 'org.springframework.boot:spring-boot-starter-web'
  testImplementation 'org.springframework.boot:spring-boot-starter-test'

backend/ddang/src/main/java/com/ddang/ddang/auction/configuration/AwsConfiguration.java

@@ -0,0 +1,25 @@
+package com.ddang.ddang.auction.configuration;
+
+import com.ddang.ddang.configuration.ProductProfile;
+import com.google.api.client.util.Value;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import software.amazon.awssdk.auth.credentials.InstanceProfileCredentialsProvider;
+import software.amazon.awssdk.regions.Region;
+import software.amazon.awssdk.services.s3.S3Client;
+
+@ProductProfile
+@Configuration
+public class AwsConfiguration {
+
+ @Value("${aws.s3.region}")
+ private String s3Region;
+
+ @Bean
+ public S3Client s3Client() {
+ return S3Client.builder()
+ .region(Region.of(s3Region))
+ .credentialsProvider(InstanceProfileCredentialsProvider.create())
+ .build();
+ }
+}

backend/ddang/src/main/java/com/ddang/ddang/configuration/ProductProfile.java

@@ -0,0 +1,14 @@
+package com.ddang.ddang.configuration;
+
+import org.springframework.context.annotation.Profile;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+@Target(ElementType.TYPE)
+@Retention(RetentionPolicy.RUNTIME)
+@Profile("!local && !test")
+public @interface ProductProfile {
+}

backend/ddang/src/main/java/com/ddang/ddang/configuration/fcm/ProdFcmConfiguration.java

@@ -1,5 +1,6 @@
 package com.ddang.ddang.configuration.fcm;
 
+import com.ddang.ddang.configuration.ProductProfile;
 import com.ddang.ddang.configuration.fcm.exception.FcmNotFoundException;
 import com.google.auth.oauth2.GoogleCredentials;
 import com.google.firebase.FirebaseApp;
@@ -13,10 +14,9 @@
 import java.io.IOException;
 import java.io.InputStream;
 import java.util.List;
-import org.springframework.context.annotation.Profile;
 
 @Configuration
-@Profile("!test && !local")
+@ProductProfile
 public class ProdFcmConfiguration {
 
  @Value("${fcm.key.path}")

backend/ddang/src/main/java/com/ddang/ddang/image/domain/StoreImageProcessor.java

@@ -7,7 +7,10 @@
 
 public interface StoreImageProcessor {
 
- StoreImageDto storeImageFile(MultipartFile imageFile);
+ List<String> WHITE_IMAGE_EXTENSION = List.of("jpg", "jpeg", "png");
+ String EXTENSION_FILE_CHARACTER = ".";
 
- List<StoreImageDto> storeImageFiles(List<MultipartFile> imageFiles);
+ StoreImageDto storeImageFile(final MultipartFile imageFile);
+
+ List<StoreImageDto> storeImageFiles(final List<MultipartFile> imageFiles);
 }

backend/ddang/src/main/java/com/ddang/ddang/image/infrastructure/local/LocalStoreImageProcessor.java

@@ -5,21 +5,21 @@
 import com.ddang.ddang.image.infrastructure.local.exception.EmptyImageException;
 import com.ddang.ddang.image.infrastructure.local.exception.StoreImageFailureException;
 import com.ddang.ddang.image.infrastructure.local.exception.UnsupportedImageFileExtensionException;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
+import org.springframework.stereotype.Component;
+import org.springframework.web.multipart.MultipartFile;
+
 import java.io.File;
 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.UUID;
-import org.springframework.beans.factory.annotation.Value;
-import org.springframework.stereotype.Component;
-import org.springframework.web.multipart.MultipartFile;
 
 @Component
+@ConditionalOnProperty(name = "aws.s3.enabled", havingValue = "false")
 public class LocalStoreImageProcessor implements StoreImageProcessor {
 
- private static final List<String> WHITE_IMAGE_EXTENSION = List.of("jpg", "jpeg", "png");
- private static final String EXTENSION_FILE_CHARACTER = ".";
-
  @Value("${image.store.dir}")
  private String imageStoreDir;
 
@@ -38,7 +38,8 @@ public List<StoreImageDto> storeImageFiles(final List<MultipartFile> imageFiles)
  return storeImageDtos;
  }
 
- public StoreImageDto storeImageFile(MultipartFile imageFile) {
+ @Override
+ public StoreImageDto storeImageFile(final MultipartFile imageFile) {
  try {
  final String originalImageFileName = imageFile.getOriginalFilename();
  final String storeImageFileName = createStoreImageFileName(originalImageFileName);
@@ -47,16 +48,16 @@ public StoreImageDto storeImageFile(MultipartFile imageFile) {
  imageFile.transferTo(new File(fullPath));
 
  return new StoreImageDto(originalImageFileName, storeImageFileName);
- } catch (IOException ex) {
+ } catch (final IOException ex) {
  throw new StoreImageFailureException("이미지 저장에 실패했습니다.", ex);
  }
  }
 
- private String findFullPath(String storeImageFileName) {
+ private String findFullPath(final String storeImageFileName) {
  return imageStoreDir + storeImageFileName;
  }
 
- private String createStoreImageFileName(String originalFilename) {
+ private String createStoreImageFileName(final String originalFilename) {
  final String extension = extractExtension(originalFilename);
 
  validateImageFileExtension(extension);
@@ -66,7 +67,7 @@ private String createStoreImageFileName(String originalFilename) {
  return uuid + EXTENSION_FILE_CHARACTER + extension;
  }
 
- private String extractExtension(String originalFilename) {
+ private String extractExtension(final String originalFilename) {
  int position = originalFilename.lastIndexOf(EXTENSION_FILE_CHARACTER);
 
  return originalFilename.substring(position + 1);

backend/ddang/src/main/java/com/ddang/ddang/image/infrastructure/s3/S3StoreImageProcessor.java

@@ -0,0 +1,103 @@
+package com.ddang.ddang.image.infrastructure.s3;
+
+import com.ddang.ddang.configuration.ProductProfile;
+import com.ddang.ddang.image.domain.StoreImageProcessor;
+import com.ddang.ddang.image.domain.dto.StoreImageDto;
+import com.ddang.ddang.image.infrastructure.local.exception.EmptyImageException;
+import com.ddang.ddang.image.infrastructure.local.exception.StoreImageFailureException;
+import com.ddang.ddang.image.infrastructure.local.exception.UnsupportedImageFileExtensionException;
+import lombok.RequiredArgsConstructor;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
+import org.springframework.stereotype.Component;
+import org.springframework.web.multipart.MultipartFile;
+import software.amazon.awssdk.core.exception.SdkException;
+import software.amazon.awssdk.core.sync.RequestBody;
+import software.amazon.awssdk.services.s3.S3Client;
+import software.amazon.awssdk.services.s3.model.PutObjectRequest;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.UUID;
+
+@Component
+@ProductProfile
+@ConditionalOnProperty(name = "aws.s3.enabled", havingValue = "true")
+@RequiredArgsConstructor
+public class S3StoreImageProcessor implements StoreImageProcessor {
+
+ @Value("${aws.s3.bucket-name}")
+ private String bucketName;
+
+ @Value("${aws.s3.image-path}")
+ private String path;
+
+ private final S3Client s3Client;
+
+ @Override
+ public List<StoreImageDto> storeImageFiles(final List<MultipartFile> imageFiles) {
+ final List<StoreImageDto> storeImageDtos = new ArrayList<>();
+
+ for (final MultipartFile imageFile : imageFiles) {
+ if (imageFile.isEmpty()) {
+ throw new EmptyImageException("이미지 파일의 데이터가 비어 있습니다.");
+ }
+
+ storeImageDtos.add(storeImageFile(imageFile));
+ }
+
+ return storeImageDtos;
+ }
+
+ @Override
+ public StoreImageDto storeImageFile(final MultipartFile imageFile) {
+ try {
+ final String originalImageFileName = imageFile.getOriginalFilename();
+ final String storeImageFileName = createStoreImageFileName(originalImageFileName);
+ final String fullPath = findFullPath(storeImageFileName);
+ final PutObjectRequest putObjectRequest = PutObjectRequest.builder()
+ .key(fullPath)
+ .bucket(bucketName)
+ .contentType(imageFile.getContentType())
+ .build();
+
+ s3Client.putObject(
+ putObjectRequest,
+ RequestBody.fromInputStream(imageFile.getInputStream(), imageFile.getSize())
+ );
+
+ return new StoreImageDto(originalImageFileName, storeImageFileName);
+ } catch (final IOException ex) {
+ throw new StoreImageFailureException("이미지 저장에 실패했습니다.", ex);
+ } catch (final SdkException ex) {
+ throw new StoreImageFailureException("AWS 이미지 저장에 실패했습니다.", ex);
+ }
+ }
+
+ private String findFullPath(final String storeImageFileName) {
+ return path + storeImageFileName;
+ }
+
+ private String createStoreImageFileName(final String originalFilename) {
+ final String extension = extractExtension(originalFilename);
+
+ validateImageFileExtension(extension);
+
+ final String uuid = UUID.randomUUID().toString();
+
+ return uuid + EXTENSION_FILE_CHARACTER + extension;
+ }
+
+ private String extractExtension(final String originalFilename) {
+ int position = originalFilename.lastIndexOf(EXTENSION_FILE_CHARACTER);
+
+ return originalFilename.substring(position + 1);
+ }
+
+ private void validateImageFileExtension(final String extension) {
+ if (!WHITE_IMAGE_EXTENSION.contains(extension)) {
+ throw new UnsupportedImageFileExtensionException("지원하지 않는 확장자입니다. : " + extension);
+ }
+ }
+}

backend/ddang/src/main/resources/application-local.yml

@@ -57,3 +57,10 @@ fcm:
  enabled: false
  key:
  path: firebase/private-key.json
+
+aws:
+ s3:
+ enabled: false
+ region: region
+ bucket-name: awsbucketname
+ image-path: image/path

backend/ddang/src/test/java/com/ddang/ddang/image/infrastructure/s3/S3StoreImageProcessorTest.java

@@ -0,0 +1,106 @@
+package com.ddang.ddang.image.infrastructure.s3;
+
+import com.ddang.ddang.image.domain.dto.StoreImageDto;
+import com.ddang.ddang.image.infrastructure.local.exception.EmptyImageException;
+import com.ddang.ddang.image.infrastructure.local.exception.StoreImageFailureException;
+import com.ddang.ddang.image.infrastructure.local.exception.UnsupportedImageFileExtensionException;
+import com.ddang.ddang.image.infrastructure.s3.fixture.S3StoreImageProcessorFixture;
+import org.assertj.core.api.SoftAssertions;
+import org.junit.jupiter.api.DisplayNameGeneration;
+import org.junit.jupiter.api.DisplayNameGenerator;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+import org.mockito.junit.jupiter.MockitoExtension;
+import software.amazon.awssdk.core.exception.SdkException;
+import software.amazon.awssdk.core.sync.RequestBody;
+import software.amazon.awssdk.services.s3.S3Client;
+import software.amazon.awssdk.services.s3.model.PutObjectRequest;
+import software.amazon.awssdk.services.s3.model.PutObjectResponse;
+
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.util.List;
+
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.BDDMockito.given;
+
+@ExtendWith({MockitoExtension.class})
+@DisplayNameGeneration(DisplayNameGenerator.ReplaceUnderscores.class)
+@SuppressWarnings("NonAsciiCharacters")
+class S3StoreImageProcessorTest extends S3StoreImageProcessorFixture {
+
+ @InjectMocks
+ S3StoreImageProcessor imageProcessor;
+
+ @Mock
+ S3Client s3Client;
+
+ @Test
+ void 이미지_파일이_비어_있는_경우_예외가_발생한다() {
+ // when & then
+ assertThatThrownBy(() -> imageProcessor.storeImageFiles(List.of(빈_이미지_파일)))
+ .isInstanceOf(EmptyImageException.class)
+ .hasMessage("이미지 파일의 데이터가 비어 있습니다.");
+ }
+
+ @Test
+ void 허용되지_않은_확장자의_이미지_파일인_경우_예외가_발생한다() {
+ // given
+ given(이미지_파일.getOriginalFilename()).willReturn(지원하지_않는_확장자를_가진_이미지_파일명);
+
+ // when & then
+ assertThatThrownBy(() -> imageProcessor.storeImageFiles(List.of(이미지_파일)))
+ .isInstanceOf(UnsupportedImageFileExtensionException.class)
+ .hasMessageContaining("지원하지 않는 확장자입니다.");
+ }
+
+ @Test
+ void 이미지_저장에_실패한_경우_예외가_발생한다() throws IOException {
+ // given
+ given(이미지_파일.getOriginalFilename()).willReturn(기존_이미지_파일명);
+ given(이미지_파일.getInputStream()).willThrow(new IOException());
+
+ // when & then
+ assertThatThrownBy(() -> imageProcessor.storeImageFiles(List.of(이미지_파일)))
+ .isInstanceOf(StoreImageFailureException.class)
+ .hasMessage("이미지 저장에 실패했습니다.");
+ }
+
+ @Test
+ void AWS_이미지_저장에_실패한_경우_예외가_발생한다() throws IOException {
+ // given
+ final ByteArrayInputStream fakeInputStream = new ByteArrayInputStream("가짜 이미지 데이터".getBytes());
+ given(이미지_파일.getOriginalFilename()).willReturn(기존_이미지_파일명);
+ given(이미지_파일.getInputStream()).willReturn(fakeInputStream);
+ given(s3Client.putObject(any(PutObjectRequest.class), any(RequestBody.class)))
+ .willThrow(SdkException.class);
+
+ // when & then
+ assertThatThrownBy(() -> imageProcessor.storeImageFiles(List.of(이미지_파일)))
+ .isInstanceOf(StoreImageFailureException.class)
+ .hasMessage("AWS 이미지 저장에 실패했습니다.");
+ }
+
+ @Test
+ void 유효한_이미지_파일인_경우_이미지_파일을_저장한다() throws Exception {
+ // given
+ final ByteArrayInputStream fakeInputStream = new ByteArrayInputStream("가짜 이미지 데이터".getBytes());
+ given(이미지_파일.getOriginalFilename()).willReturn(기존_이미지_파일명);
+ given(이미지_파일.getInputStream()).willReturn(fakeInputStream);
+ given(s3Client.putObject(any(PutObjectRequest.class), any(RequestBody.class)))
+ .willReturn(PutObjectResponse.builder().build());
+
+ // when
+ final List<StoreImageDto> actual = imageProcessor.storeImageFiles(List.of(이미지_파일));
+
+ // then
+ SoftAssertions.assertSoftly(softAssertions -> {
+ softAssertions.assertThat(actual).hasSize(1);
+ softAssertions.assertThat(actual.get(0).storeName()).isNotBlank();
+ softAssertions.assertThat(actual.get(0).uploadName()).isEqualTo(기존_이미지_파일명);
+ });
+ }
+}

backend/ddang/src/test/java/com/ddang/ddang/image/infrastructure/s3/fixture/S3StoreImageProcessorFixture.java

@@ -0,0 +1,14 @@
+package com.ddang.ddang.image.infrastructure.s3.fixture;
+
+import org.springframework.mock.web.MockMultipartFile;
+import org.springframework.web.multipart.MultipartFile;
+
+import static org.mockito.Mockito.mock;
+
+public class S3StoreImageProcessorFixture {
+
+ protected MockMultipartFile 빈_이미지_파일 = new MockMultipartFile("image.png", new byte[0]);
+ protected MultipartFile 이미지_파일 = mock(MultipartFile.class);
+ protected String 기존_이미지_파일명 = "image.png";
+ protected String 지원하지_않는_확장자를_가진_이미지_파일명 = "image.gif";
+}

backend/ddang/src/test/resources/application.yml

@@ -49,3 +49,10 @@ fcm:
  enabled: false
  key:
  path: firebase/private-key.json
+
+aws:
+ s3:
+ enabled: false
+ region: region
+ bucket-name: awsbucketname
+ image-path: image/path