feat: add rustfs direct upload endpoint

pkg/storage/s3.go

@@ -3,6 +3,7 @@ package storage
 import (
 	"context"
 	"fmt"
+	"io"
 	"net/url"
 	"strings"
 	"time"
@@ -22,11 +23,15 @@ type PresignUploadResult struct {
 }
 
 type ObjectMeta struct {
-	ETag         string
-	ContentType  string
+	ETag          string
+	ContentType   string
 	ContentLength int64
 }
 
+type PutObjectResult struct {
+	ETag string
+}
+
 type S3Store struct {
 	cfg     config.S3Config
 	client  *s3.Client
@@ -96,6 +101,20 @@ func (s *S3Store) HeadObject(ctx context.Context, objectKey string) (*ObjectMeta
 	}, nil
 }
 
+func (s *S3Store) PutObject(ctx context.Context, objectKey string, body io.Reader, size int64, contentType string) (*PutObjectResult, error) {
+	resp, err := s.client.PutObject(ctx, &s3.PutObjectInput{
+		Bucket:        aws.String(s.cfg.Bucket),
+		Key:           aws.String(objectKey),
+		Body:          body,
+		ContentLength: aws.Int64(size),
+		ContentType:   aws.String(contentType),
+	})
+	if err != nil {
+		return nil, err
+	}
+	return &PutObjectResult{ETag: strings.Trim(aws.ToString(resp.ETag), "\"")}, nil
+}
+
 func (s *S3Store) BuildObjectURL(objectKey string) string {
 	if s.cfg.PublicBaseURL != "" {
 		return strings.TrimRight(s.cfg.PublicBaseURL, "/") + "/" + strings.TrimLeft(objectKey, "/")