chore: S3ImageComponent 생성

src/main/java/zerobibim/flory/utils/S3ImageComponent.java

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+package zerobibim.flory.utils;
+
+import com.amazonaws.services.s3.AmazonS3Client;
+import com.amazonaws.services.s3.model.CannedAccessControlList;
+import com.amazonaws.services.s3.model.DeleteObjectRequest;
+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.Component;
+import org.springframework.web.multipart.MultipartFile;
+
+import java.io.IOException;
+import java.util.Objects;
+import java.util.UUID;
+
+@RequiredArgsConstructor
+@Component
+public class S3ImageComponent {
+    private final AmazonS3Client amazonS3Client;
+    @Value("${cloud.aws.s3.bucket}")
+    private String bucket;
+
+    public String uploadImage(String category, MultipartFile multipartFile) {
+        // 파일명
+        String fileName = createFileName(category, Objects.requireNonNull(multipartFile.getOriginalFilename()));
+
+        ObjectMetadata objectMetadata = new ObjectMetadata();
+        objectMetadata.setContentType(multipartFile.getContentType());
+
+        // S3에 업로드
+        try {
+            amazonS3Client.putObject(new PutObjectRequest(bucket, fileName, multipartFile.getInputStream(), objectMetadata)
+                    .withCannedAcl(CannedAccessControlList.PublicRead));
+        } catch (IOException ignored) {
+        }
+
+        return amazonS3Client.getUrl(bucket, fileName).toString();
+    }
+
+    /**
+     * 파일명 생성
+     * @param category
+     * @param originalFileName
+     * @return 작명된 파일 이름
+     */
+    public String createFileName(String category, String originalFileName) {
+        int fileExtensionIndex = originalFileName.lastIndexOf(".");
+        String fileExtension = originalFileName.substring(fileExtensionIndex);
+        String fileName = originalFileName.substring(0, fileExtensionIndex);
+        String random = String.valueOf(UUID.randomUUID());
+
+        return category + "/" + fileName + "_" + random + fileExtension;
+    }
+
+    /**
+     * 이미지 삭제
+     * @param fileUrl
+     */
+    public void deleteImage(String fileUrl) {
+        String[] deleteUrl = fileUrl.split("/", 4);
+        amazonS3Client.deleteObject(new DeleteObjectRequest(bucket, deleteUrl[3]));
+    }
+}