JCS-pub/common/pkgs/storage/s3/public_store.go

package s3

import (
	"context"
	"io"

	"github.com/aws/aws-sdk-go-v2/aws"
	"github.com/aws/aws-sdk-go-v2/service/s3"
	"gitlink.org.cn/cloudream/common/pkgs/logger"
	clitypes "gitlink.org.cn/cloudream/jcs-pub/client/types"
)

type PublicStore struct {
	Detail *clitypes.UserSpaceDetail
	Bucket string
	cli    *s3.Client
}

func NewPublicStore(detail *clitypes.UserSpaceDetail, cli *s3.Client, bkt string) (*PublicStore, error) {
	return &PublicStore{
		Detail: detail,
		Bucket: bkt,
		cli:    cli,
	}, nil
}

func (s *PublicStore) Write(objPath string, stream io.Reader) error {
	key := objPath

	_, err := s.cli.PutObject(context.TODO(), &s3.PutObjectInput{
		Bucket: aws.String(s.Bucket),
		Key:    aws.String(key),
		Body:   stream,
	})

	return err
}

func (s *PublicStore) Read(objPath string) (io.ReadCloser, error) {
	key := objPath

	resp, err := s.cli.GetObject(context.TODO(), &s3.GetObjectInput{
		Bucket: aws.String(s.Bucket),
		Key:    aws.String(key),
	})

	if err != nil {
		return nil, err
	}

	return resp.Body, nil
}

func (s *PublicStore) List(path string, recursive bool) ([]string, error) {
	key := path
	// TODO 待测试

	input := &s3.ListObjectsInput{
		Bucket: aws.String(s.Bucket),
		Prefix: aws.String(key),
	}

	if !recursive {
		input.Delimiter = aws.String("/")
	}

	var pathes []string

	var marker *string
	for {
		input.Marker = marker
		resp, err := s.cli.ListObjects(context.Background(), input)
		if err != nil {
			return nil, err
		}

		for _, obj := range resp.Contents {
			pathes = append(pathes, *obj.Key)
		}

		if !*resp.IsTruncated {
			break
		}

		marker = resp.NextMarker
	}

	return pathes, nil
}

func (s *PublicStore) getLogger() logger.Logger {
	return logger.WithField("PublicStore", "S3").WithField("Storage", s.Detail.Storage.String())
}