[Feat] S3 설정파일 구현

src/main/java/org/alongtheblue/alongtheblue_server/global/adapter/S3Adapter.java

@@ -0,0 +1,66 @@
+package org.alongtheblue.alongtheblue_server.global.adapter;
+
+import com.amazonaws.SdkClientException;
+import com.amazonaws.services.s3.AmazonS3Client;
+import com.amazonaws.services.s3.model.ObjectMetadata;
+import lombok.RequiredArgsConstructor;
+import org.alongtheblue.alongtheblue_server.global.common.response.ApiResponse;
+import org.alongtheblue.alongtheblue_server.global.error.ErrorCode;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Service;
+import org.springframework.web.multipart.MultipartFile;
+
+import java.io.IOException;
+import java.util.UUID;
+
+@RequiredArgsConstructor
+@Service
+public class S3Adapter {
+
+	private final AmazonS3Client amazonS3Client;
+
+	@Value("${aws.s3.bucket}")
+	private String bucket;
+
+
+	public ApiResponse<String> uploadImage(MultipartFile multipartFile) {
+		ObjectMetadata metadata = new ObjectMetadata();
+		String fileName = UUID.randomUUID() + ".png";
+		metadata.setContentLength(multipartFile.getSize());
+		metadata.setContentType("image/png");
+		try {
+			amazonS3Client.putObject(bucket, fileName, multipartFile.getInputStream(), metadata);
+			return ApiResponse.ok("S3 버킷에 이미지 업로드를 성공하였습니다.", amazonS3Client.getUrl(bucket, fileName).toString());
+		} catch (IOException e) {
+			return ApiResponse.withError(ErrorCode.ERROR_S3_UPDATE_OBJECT);
+		}
+	}
+
+	public ApiResponse<String> uploadFile(MultipartFile multipartFile) throws IOException {
+		String originalFilename = multipartFile.getOriginalFilename();
+
+		ObjectMetadata metadata = new ObjectMetadata();
+		metadata.setContentLength(multipartFile.getSize());
+		metadata.setContentType(multipartFile.getContentType());
+
+		try {
+			amazonS3Client.putObject(bucket, originalFilename, multipartFile.getInputStream(), metadata);
+			return ApiResponse.ok("S3 버킷에 이미지 업로드를 성공하였습니다.", amazonS3Client.getUrl(bucket, originalFilename).toString());
+		}
+		catch (IOException e) {
+			return ApiResponse.withError(ErrorCode.ERROR_S3_UPDATE_OBJECT);
+		}
+	}
+
+
+
+	public ApiResponse<String> deleteFile(String fileName){
+		try{
+			amazonS3Client.deleteObject(bucket, fileName);
+			return ApiResponse.ok("S3 버킷에서 이미지를 성공적으로 삭제하였습니다.", amazonS3Client.getUrl(bucket, fileName).toString());
+
+		}catch (SdkClientException e){
+			return ApiResponse.withError(ErrorCode.ERROR_S3_DELETE_OBJECT);
+		}
+	}
+}

src/main/java/org/alongtheblue/alongtheblue_server/global/config/S3Config.java

@@ -0,0 +1,28 @@
+package org.alongtheblue.alongtheblue_server.global.config;
+
+import com.amazonaws.auth.AWSStaticCredentialsProvider;
+import com.amazonaws.auth.BasicAWSCredentials;
+import com.amazonaws.services.s3.AmazonS3Client;
+import com.amazonaws.services.s3.AmazonS3ClientBuilder;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class S3Config {
+	@Value("${aws.s3.access-key}")
+	private String accessKey;
+	@Value("${aws.s3.secret-key}")
+	private String secretKey;
+	@Value("${aws.s3.region}")
+	private String region;
+
+	@Bean
+	public AmazonS3Client amazonS3Client() {
+		BasicAWSCredentials awsCredentials = new BasicAWSCredentials(accessKey, secretKey);
+		return (AmazonS3Client)AmazonS3ClientBuilder.standard()
+			.withRegion(region)
+			.withCredentials(new AWSStaticCredentialsProvider(awsCredentials))
+			.build();
+	}
+}

src/main/java/org/alongtheblue/alongtheblue_server/global/error/ErrorCode.java

@@ -8,7 +8,14 @@
 @RequiredArgsConstructor
 public enum ErrorCode {
     // Common
-    INVALID_INPUT_VALUE(HttpStatus.BAD_REQUEST, "Request Body를 통해 전달된 값이 유효하지 않습니다.");
+    INVALID_INPUT_VALUE(HttpStatus.BAD_REQUEST, "Request Body를 통해 전달된 값이 유효하지 않습니다."),
+
+    // S3
+    INTERNAL_SERVER_ERROR(HttpStatus.INTERNAL_SERVER_ERROR, "서버 문제로 S3 이미지 업로드에 실패하였습니다."),
+    NOT_EXIST_IMAGE_FILE(HttpStatus.BAD_REQUEST, "업로드 할 이미지가 존재하지 않습니다."),
+
+    ERROR_S3_DELETE_OBJECT(HttpStatus.INTERNAL_SERVER_ERROR, "서버 문제 S3 이미지 삭제에 실패하였습니다."),
+    ERROR_S3_UPDATE_OBJECT(HttpStatus.INTERNAL_SERVER_ERROR, "서버 문제로 S3 이미지 업로드에 실패하였습니다.");
 
     private final HttpStatus status;
     private final String message;