#18 feat: S3 API 구현

place/build.gradle

@@ -25,6 +25,7 @@ dependencies {
 	implementation 'org.springframework.boot:spring-boot-starter-data-jdbc'
 	implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
 //	implementation 'org.springframework.boot:spring-boot-starter-oauth2-client'
+	implementation 'org.springframework.cloud:spring-cloud-starter-aws:2.2.6.RELEASE'
 	implementation 'org.springframework.boot:spring-boot-starter-web'
 	compileOnly 'org.projectlombok:lombok'
 	runtimeOnly 'com.mysql:mysql-connector-j'

place/src/main/java/com/umc/place/common/config/AWSConfig.java

@@ -0,0 +1,32 @@
+package com.umc.place.common.config;
+
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+import com.amazonaws.auth.AWSStaticCredentialsProvider;
+import com.amazonaws.auth.BasicAWSCredentials;
+import com.amazonaws.services.s3.AmazonS3Client;
+import com.amazonaws.services.s3.AmazonS3ClientBuilder;
+
+@Configuration
+public class AWSConfig {
+
+    @Value("${cloud.aws.credentials.accessKey}")
+    private String accessKey;
+
+    @Value("${cloud.aws.credentials.secretKey}")
+    private String secretKey;
+
+    @Value("${cloud.aws.region.static}")
+    private String region;
+
+    @Bean
+    public AmazonS3Client amazonS3Client() {
+        BasicAWSCredentials basicAWSCredentials = new BasicAWSCredentials(accessKey, secretKey);
+        return (AmazonS3Client) AmazonS3ClientBuilder.standard()
+                .withRegion(region)
+                .withCredentials(new AWSStaticCredentialsProvider(basicAWSCredentials))
+                .build();
+    }
+}

place/src/main/java/com/umc/place/common/controller/FileUploadController.java

@@ -0,0 +1,35 @@
+package com.umc.place.common.controller;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
+import com.umc.place.common.service.S3Upload;
+import lombok.RequiredArgsConstructor;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.multipart.MultipartFile;
+
+import com.amazonaws.services.s3.AmazonS3Client;
+import com.amazonaws.services.s3.model.CannedAccessControlList;
+import com.amazonaws.services.s3.model.ObjectMetadata;
+import com.amazonaws.services.s3.model.PutObjectRequest;
+
+@RequiredArgsConstructor
+@RestController
+public class FileUploadController {
+
+    private final S3Upload s3Upload;
+
+    @PostMapping("/upload")
+    public ResponseEntity<Object> uploadFile(MultipartFile[] multipartFileLis) throws IOException {
+        return ResponseEntity.ok(
+                s3Upload.upload(multipartFileLis)
+        );
+    }
+}

place/src/main/java/com/umc/place/common/service/S3Upload.java

@@ -0,0 +1,79 @@
+package com.umc.place.common.service;
+
+import com.amazonaws.services.s3.AmazonS3;
+import com.amazonaws.services.s3.AmazonS3Client;
+import com.amazonaws.services.s3.model.CannedAccessControlList;
+import com.amazonaws.services.s3.model.ObjectMetadata;
+import com.amazonaws.services.s3.model.PutObjectRequest;
+import lombok.RequiredArgsConstructor;
+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.ArrayList;
+import java.util.List;
+import java.util.UUID;
+
+@RequiredArgsConstructor
+@Service
+public class S3Upload {
+
+    @Value("${cloud.aws.s3.bucket}")
+    private String bucket;
+
+    private final AmazonS3Client amazonS3Client;
+    ;
+
+    //https://jforj.tistory.com/261
+    public List<String> upload(MultipartFile[] multipartFileList) throws IOException {
+        List<String> imagePathList = new ArrayList<>();
+
+        for (MultipartFile multipartFile : multipartFileList) {
+            String originalName = multipartFile.getOriginalFilename(); // 파일 이름
+            long size = multipartFile.getSize(); // 파일 크기
+
+            ObjectMetadata objectMetaData = new ObjectMetadata();
+            objectMetaData.setContentType(multipartFile.getContentType());
+            objectMetaData.setContentLength(size);
+
+            // S3에 업로드
+            amazonS3Client.putObject(
+                    new PutObjectRequest(bucket, originalName, multipartFile.getInputStream(), objectMetaData)
+                            .withCannedAcl(CannedAccessControlList.PublicRead)
+            );
+
+            String imagePath = amazonS3Client.getUrl(bucket, originalName).toString(); // 접근가능한 URL 가져오기
+            imagePathList.add(imagePath);
+        }
+        return imagePathList;
+    }
+}
+
+//        String s3FileName = UUID.randomUUID() + "-" + multipartFile.getOriginalFilename();
+//
+//        ObjectMetadata objMeta = new ObjectMetadata();
+//        objMeta.setContentLength(multipartFile.getInputStream().available());
+//
+//        amazonS3.putObject(bucket, s3FileName, multipartFile.getInputStream(), objMeta);
+//
+//        return amazonS3.getUrl(bucket, s3FileName).toString();
+//    for(MultipartFile multipartFile: multipartFileList) {
+//        String originalName = multipartFile.getOriginalFilename(); // 파일 이름
+//        long size = multipartFile.getSize(); // 파일 크기
+//
+//        ObjectMetadata objectMetaData = new ObjectMetadata();
+//        objectMetaData.setContentType(multipartFile.getContentType());
+//        objectMetaData.setContentLength(size);
+//
+//        // S3에 업로드
+//        amazonS3Client.putObject(
+//                new PutObjectRequest(S3Bucket, originalName, multipartFile.getInputStream(), objectMetaData)
+//                        .withCannedAcl(CannedAccessControlList.PublicRead)
+//        );
+//
+//        String imagePath = amazonS3Client.getUrl(S3Bucket, originalName).toString(); // 접근가능한 URL 가져오기
+//        imagePathList.add(imagePath);
+//    }
+//
+//		return new ResponseEntity<Object>(imagePathList, HttpStatus.OK);