forked from TrueCloudLab/frostfs-s3-gw
672 lines
17 KiB
Go
672 lines
17 KiB
Go
package layer
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import (
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"context"
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"encoding/hex"
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stderrors "errors"
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"fmt"
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"io"
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"sort"
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"strconv"
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"strings"
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"time"
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"github.com/minio/sio"
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"github.com/nspcc-dev/neofs-s3-gw/api/data"
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"github.com/nspcc-dev/neofs-s3-gw/api/errors"
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"github.com/nspcc-dev/neofs-s3-gw/api/layer/encryption"
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oid "github.com/nspcc-dev/neofs-sdk-go/object/id"
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"github.com/nspcc-dev/neofs-sdk-go/user"
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"go.uber.org/zap"
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)
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const (
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UploadIDAttributeName = "S3-Upload-Id"
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UploadPartNumberAttributeName = "S3-Upload-Part-Number"
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UploadCompletedParts = "S3-Completed-Parts"
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metaPrefix = "meta-"
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aclPrefix = "acl-"
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MaxSizeUploadsList = 1000
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MaxSizePartsList = 1000
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UploadMinPartNumber = 1
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UploadMaxPartNumber = 10000
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uploadMinSize = 5 * 1048576 // 5MB
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uploadMaxSize = 5 * 1073741824 // 5GB
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)
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type (
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UploadInfoParams struct {
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UploadID string
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Bkt *data.BucketInfo
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Key string
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Encryption encryption.Params
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}
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CreateMultipartParams struct {
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Info *UploadInfoParams
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Header map[string]string
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Data *UploadData
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CopiesNumber uint32
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}
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UploadData struct {
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TagSet map[string]string
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ACLHeaders map[string]string
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}
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UploadPartParams struct {
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Info *UploadInfoParams
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PartNumber int
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Size int64
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Reader io.Reader
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}
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UploadCopyParams struct {
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Info *UploadInfoParams
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SrcObjInfo *data.ObjectInfo
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SrcBktInfo *data.BucketInfo
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PartNumber int
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Range *RangeParams
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}
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CompleteMultipartParams struct {
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Info *UploadInfoParams
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Parts []*CompletedPart
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}
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CompletedPart struct {
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ETag string
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PartNumber int
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}
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EncryptedPart struct {
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Part
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EncryptedSize int64
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}
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Part struct {
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ETag string
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LastModified string
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PartNumber int
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Size int64
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}
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ListMultipartUploadsParams struct {
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Bkt *data.BucketInfo
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Delimiter string
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EncodingType string
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KeyMarker string
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MaxUploads int
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Prefix string
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UploadIDMarker string
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}
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ListPartsParams struct {
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Info *UploadInfoParams
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MaxParts int
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PartNumberMarker int
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}
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ListPartsInfo struct {
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Parts []*Part
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Owner user.ID
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NextPartNumberMarker int
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IsTruncated bool
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}
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ListMultipartUploadsInfo struct {
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Prefixes []string
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Uploads []*UploadInfo
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IsTruncated bool
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NextKeyMarker string
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NextUploadIDMarker string
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}
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UploadInfo struct {
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IsDir bool
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Key string
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UploadID string
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Owner user.ID
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Created time.Time
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}
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)
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func (n *layer) CreateMultipartUpload(ctx context.Context, p *CreateMultipartParams) error {
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metaSize := len(p.Header)
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if p.Data != nil {
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metaSize += len(p.Data.ACLHeaders)
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metaSize += len(p.Data.TagSet)
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}
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info := &data.MultipartInfo{
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Key: p.Info.Key,
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UploadID: p.Info.UploadID,
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Owner: n.Owner(ctx),
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Created: time.Now(),
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Meta: make(map[string]string, metaSize),
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CopiesNumber: p.CopiesNumber,
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}
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for key, val := range p.Header {
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info.Meta[metaPrefix+key] = val
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}
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if p.Data != nil {
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for key, val := range p.Data.ACLHeaders {
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info.Meta[aclPrefix+key] = val
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}
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for key, val := range p.Data.TagSet {
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info.Meta[tagPrefix+key] = val
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}
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}
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if p.Info.Encryption.Enabled() {
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if err := addEncryptionHeaders(info.Meta, p.Info.Encryption); err != nil {
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return fmt.Errorf("add encryption header: %w", err)
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}
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}
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return n.treeService.CreateMultipartUpload(ctx, p.Info.Bkt, info)
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}
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func (n *layer) UploadPart(ctx context.Context, p *UploadPartParams) (string, error) {
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multipartInfo, err := n.treeService.GetMultipartUpload(ctx, p.Info.Bkt, p.Info.Key, p.Info.UploadID)
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if err != nil {
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if stderrors.Is(err, ErrNodeNotFound) {
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return "", errors.GetAPIError(errors.ErrNoSuchUpload)
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}
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return "", err
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}
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if p.Size > uploadMaxSize {
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return "", errors.GetAPIError(errors.ErrEntityTooLarge)
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}
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objInfo, err := n.uploadPart(ctx, multipartInfo, p)
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if err != nil {
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return "", err
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}
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return objInfo.HashSum, nil
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}
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func (n *layer) uploadPart(ctx context.Context, multipartInfo *data.MultipartInfo, p *UploadPartParams) (*data.ObjectInfo, error) {
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encInfo := FormEncryptionInfo(multipartInfo.Meta)
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if err := p.Info.Encryption.MatchObjectEncryption(encInfo); err != nil {
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n.log.Warn("mismatched obj encryptionInfo", zap.Error(err))
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return nil, errors.GetAPIError(errors.ErrInvalidEncryptionParameters)
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}
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bktInfo := p.Info.Bkt
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prm := PrmObjectCreate{
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Container: bktInfo.CID,
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Creator: bktInfo.Owner,
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Attributes: make([][2]string, 2),
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Payload: p.Reader,
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CopiesNumber: multipartInfo.CopiesNumber,
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}
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decSize := p.Size
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if p.Info.Encryption.Enabled() {
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r, encSize, err := encryptionReader(p.Reader, uint64(p.Size), p.Info.Encryption.Key())
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if err != nil {
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return nil, fmt.Errorf("failed to create ecnrypted reader: %w", err)
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}
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prm.Attributes = append(prm.Attributes, [2]string{AttributeDecryptedSize, strconv.FormatInt(p.Size, 10)})
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prm.Payload = r
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p.Size = int64(encSize)
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}
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prm.Attributes[0][0], prm.Attributes[0][1] = UploadIDAttributeName, p.Info.UploadID
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prm.Attributes[1][0], prm.Attributes[1][1] = UploadPartNumberAttributeName, strconv.Itoa(p.PartNumber)
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id, hash, err := n.objectPutAndHash(ctx, prm, bktInfo)
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if err != nil {
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return nil, err
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}
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partInfo := &data.PartInfo{
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Key: p.Info.Key,
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UploadID: p.Info.UploadID,
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Number: p.PartNumber,
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OID: id,
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Size: decSize,
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ETag: hex.EncodeToString(hash),
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Created: time.Now(),
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}
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oldPartID, err := n.treeService.AddPart(ctx, bktInfo, multipartInfo.ID, partInfo)
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oldPartIDNotFound := stderrors.Is(err, ErrNoNodeToRemove)
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if err != nil && !oldPartIDNotFound {
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return nil, err
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}
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if !oldPartIDNotFound {
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if err = n.objectDelete(ctx, bktInfo, oldPartID); err != nil {
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n.log.Error("couldn't delete old part object", zap.Error(err),
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zap.String("cnrID", bktInfo.CID.EncodeToString()),
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zap.String("bucket name", bktInfo.Name),
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zap.String("objID", oldPartID.EncodeToString()))
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}
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}
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objInfo := &data.ObjectInfo{
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ID: id,
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CID: bktInfo.CID,
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Owner: bktInfo.Owner,
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Bucket: bktInfo.Name,
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Size: partInfo.Size,
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Created: partInfo.Created,
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HashSum: partInfo.ETag,
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}
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return objInfo, nil
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}
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func (n *layer) UploadPartCopy(ctx context.Context, p *UploadCopyParams) (*data.ObjectInfo, error) {
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multipartInfo, err := n.treeService.GetMultipartUpload(ctx, p.Info.Bkt, p.Info.Key, p.Info.UploadID)
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if err != nil {
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if stderrors.Is(err, ErrNodeNotFound) {
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return nil, errors.GetAPIError(errors.ErrNoSuchUpload)
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}
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return nil, err
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}
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size := p.SrcObjInfo.Size
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if p.Range != nil {
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size = int64(p.Range.End - p.Range.Start + 1)
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if p.Range.End > uint64(p.SrcObjInfo.Size) {
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return nil, errors.GetAPIError(errors.ErrInvalidCopyPartRangeSource)
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}
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}
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if size > uploadMaxSize {
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return nil, errors.GetAPIError(errors.ErrEntityTooLarge)
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}
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pr, pw := io.Pipe()
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go func() {
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err = n.GetObject(ctx, &GetObjectParams{
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ObjectInfo: p.SrcObjInfo,
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Writer: pw,
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Range: p.Range,
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BucketInfo: p.SrcBktInfo,
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})
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if err = pw.CloseWithError(err); err != nil {
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n.log.Error("could not get object", zap.Error(err))
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}
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}()
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params := &UploadPartParams{
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Info: p.Info,
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PartNumber: p.PartNumber,
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Size: size,
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Reader: pr,
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}
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return n.uploadPart(ctx, multipartInfo, params)
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}
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// implements io.Reader of payloads of the object list stored in the NeoFS network.
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type multiObjectReader struct {
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ctx context.Context
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layer *layer
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prm getParams
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curReader io.Reader
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parts []*data.PartInfo
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}
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func (x *multiObjectReader) Read(p []byte) (n int, err error) {
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if x.curReader != nil {
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n, err = x.curReader.Read(p)
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if !stderrors.Is(err, io.EOF) {
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return n, err
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}
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}
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if len(x.parts) == 0 {
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return n, io.EOF
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}
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x.prm.oid = x.parts[0].OID
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x.curReader, err = x.layer.initObjectPayloadReader(x.ctx, x.prm)
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if err != nil {
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return n, fmt.Errorf("init payload reader for the next part: %w", err)
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}
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x.parts = x.parts[1:]
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next, err := x.Read(p[n:])
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return n + next, err
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}
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func (n *layer) CompleteMultipartUpload(ctx context.Context, p *CompleteMultipartParams) (*UploadData, *data.ExtendedObjectInfo, error) {
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for i := 1; i < len(p.Parts); i++ {
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if p.Parts[i].PartNumber <= p.Parts[i-1].PartNumber {
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return nil, nil, errors.GetAPIError(errors.ErrInvalidPartOrder)
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}
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}
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multipartInfo, partsInfo, err := n.getUploadParts(ctx, p.Info)
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if err != nil {
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return nil, nil, err
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}
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encInfo := FormEncryptionInfo(multipartInfo.Meta)
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if len(partsInfo) < len(p.Parts) {
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return nil, nil, errors.GetAPIError(errors.ErrInvalidPart)
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}
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var multipartObjetSize int64
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var encMultipartObjectSize uint64
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parts := make([]*data.PartInfo, 0, len(p.Parts))
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var completedPartsHeader strings.Builder
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for i, part := range p.Parts {
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partInfo := partsInfo[part.PartNumber]
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if partInfo == nil || part.ETag != partInfo.ETag {
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return nil, nil, errors.GetAPIError(errors.ErrInvalidPart)
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}
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// for the last part we have no minimum size limit
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if i != len(p.Parts)-1 && partInfo.Size < uploadMinSize {
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return nil, nil, errors.GetAPIError(errors.ErrEntityTooSmall)
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}
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parts = append(parts, partInfo)
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multipartObjetSize += partInfo.Size // even if encryption is enabled size is actual (decrypted)
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if encInfo.Enabled {
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encPartSize, err := sio.EncryptedSize(uint64(partInfo.Size))
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if err != nil {
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return nil, nil, fmt.Errorf("compute encrypted size: %w", err)
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}
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encMultipartObjectSize += encPartSize
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}
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partInfoStr := partInfo.ToHeaderString()
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if i != len(p.Parts)-1 {
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partInfoStr += ","
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}
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if _, err = completedPartsHeader.WriteString(partInfoStr); err != nil {
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return nil, nil, err
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}
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}
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initMetadata := make(map[string]string, len(multipartInfo.Meta)+1)
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initMetadata[UploadCompletedParts] = completedPartsHeader.String()
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uploadData := &UploadData{
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TagSet: make(map[string]string),
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ACLHeaders: make(map[string]string),
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}
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for key, val := range multipartInfo.Meta {
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if strings.HasPrefix(key, metaPrefix) {
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initMetadata[strings.TrimPrefix(key, metaPrefix)] = val
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} else if strings.HasPrefix(key, tagPrefix) {
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uploadData.TagSet[strings.TrimPrefix(key, tagPrefix)] = val
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} else if strings.HasPrefix(key, aclPrefix) {
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uploadData.ACLHeaders[strings.TrimPrefix(key, aclPrefix)] = val
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}
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}
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if encInfo.Enabled {
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initMetadata[AttributeEncryptionAlgorithm] = encInfo.Algorithm
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initMetadata[AttributeHMACKey] = encInfo.HMACKey
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initMetadata[AttributeHMACSalt] = encInfo.HMACSalt
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initMetadata[AttributeDecryptedSize] = strconv.FormatInt(multipartObjetSize, 10)
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multipartObjetSize = int64(encMultipartObjectSize)
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}
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r := &multiObjectReader{
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ctx: ctx,
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layer: n,
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parts: parts,
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}
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r.prm.bktInfo = p.Info.Bkt
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extObjInfo, err := n.PutObject(ctx, &PutObjectParams{
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BktInfo: p.Info.Bkt,
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Object: p.Info.Key,
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Reader: r,
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Header: initMetadata,
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Size: multipartObjetSize,
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Encryption: p.Info.Encryption,
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CopiesNumber: multipartInfo.CopiesNumber,
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})
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if err != nil {
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n.log.Error("could not put a completed object (multipart upload)",
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zap.String("uploadID", p.Info.UploadID),
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zap.String("uploadKey", p.Info.Key),
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zap.Error(err))
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return nil, nil, errors.GetAPIError(errors.ErrInternalError)
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}
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var addr oid.Address
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addr.SetContainer(p.Info.Bkt.CID)
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for _, partInfo := range partsInfo {
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if err = n.objectDelete(ctx, p.Info.Bkt, partInfo.OID); err != nil {
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n.log.Warn("could not delete upload part",
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zap.Stringer("object id", &partInfo.OID),
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zap.Stringer("bucket id", p.Info.Bkt.CID),
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zap.Error(err))
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}
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addr.SetObject(partInfo.OID)
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n.cache.DeleteObject(addr)
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}
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return uploadData, extObjInfo, n.treeService.DeleteMultipartUpload(ctx, p.Info.Bkt, multipartInfo.ID)
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}
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func (n *layer) ListMultipartUploads(ctx context.Context, p *ListMultipartUploadsParams) (*ListMultipartUploadsInfo, error) {
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var result ListMultipartUploadsInfo
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if p.MaxUploads == 0 {
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return &result, nil
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}
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multipartInfos, err := n.treeService.GetMultipartUploadsByPrefix(ctx, p.Bkt, p.Prefix)
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if err != nil {
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return nil, err
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}
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uploads := make([]*UploadInfo, 0, len(multipartInfos))
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uniqDirs := make(map[string]struct{})
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for _, multipartInfo := range multipartInfos {
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info := uploadInfoFromMultipartInfo(multipartInfo, p.Prefix, p.Delimiter)
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if info != nil {
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if info.IsDir {
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if _, ok := uniqDirs[info.Key]; ok {
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continue
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}
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uniqDirs[info.Key] = struct{}{}
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}
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uploads = append(uploads, info)
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}
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}
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sort.Slice(uploads, func(i, j int) bool {
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if uploads[i].Key == uploads[j].Key {
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return uploads[i].UploadID < uploads[j].UploadID
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}
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return uploads[i].Key < uploads[j].Key
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})
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if p.KeyMarker != "" {
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if p.UploadIDMarker != "" {
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uploads = trimAfterUploadIDAndKey(p.KeyMarker, p.UploadIDMarker, uploads)
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} else {
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uploads = trimAfterUploadKey(p.KeyMarker, uploads)
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}
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}
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if len(uploads) > p.MaxUploads {
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result.IsTruncated = true
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uploads = uploads[:p.MaxUploads]
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result.NextUploadIDMarker = uploads[len(uploads)-1].UploadID
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result.NextKeyMarker = uploads[len(uploads)-1].Key
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}
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for _, ov := range uploads {
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if ov.IsDir {
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result.Prefixes = append(result.Prefixes, ov.Key)
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} else {
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result.Uploads = append(result.Uploads, ov)
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}
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}
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return &result, nil
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}
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func (n *layer) AbortMultipartUpload(ctx context.Context, p *UploadInfoParams) error {
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multipartInfo, parts, err := n.getUploadParts(ctx, p)
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if err != nil {
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return err
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}
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for _, info := range parts {
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if err = n.objectDelete(ctx, p.Bkt, info.OID); err != nil {
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n.log.Warn("couldn't delete part", zap.String("cid", p.Bkt.CID.EncodeToString()),
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zap.String("oid", info.OID.EncodeToString()), zap.Int("part number", info.Number))
|
|
}
|
|
}
|
|
|
|
return n.treeService.DeleteMultipartUpload(ctx, p.Bkt, multipartInfo.ID)
|
|
}
|
|
|
|
func (n *layer) ListParts(ctx context.Context, p *ListPartsParams) (*ListPartsInfo, error) {
|
|
var res ListPartsInfo
|
|
multipartInfo, partsInfo, err := n.getUploadParts(ctx, p.Info)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
encInfo := FormEncryptionInfo(multipartInfo.Meta)
|
|
if err = p.Info.Encryption.MatchObjectEncryption(encInfo); err != nil {
|
|
n.log.Warn("mismatched obj encryptionInfo", zap.Error(err))
|
|
return nil, errors.GetAPIError(errors.ErrInvalidEncryptionParameters)
|
|
}
|
|
|
|
res.Owner = multipartInfo.Owner
|
|
|
|
parts := make([]*Part, 0, len(partsInfo))
|
|
|
|
for _, partInfo := range partsInfo {
|
|
parts = append(parts, &Part{
|
|
ETag: partInfo.ETag,
|
|
LastModified: partInfo.Created.UTC().Format(time.RFC3339),
|
|
PartNumber: partInfo.Number,
|
|
Size: partInfo.Size,
|
|
})
|
|
}
|
|
|
|
sort.Slice(parts, func(i, j int) bool {
|
|
return parts[i].PartNumber < parts[j].PartNumber
|
|
})
|
|
|
|
if p.PartNumberMarker != 0 {
|
|
for i, part := range parts {
|
|
if part.PartNumber > p.PartNumberMarker {
|
|
parts = parts[i:]
|
|
break
|
|
}
|
|
}
|
|
}
|
|
|
|
if len(parts) > p.MaxParts {
|
|
res.IsTruncated = true
|
|
res.NextPartNumberMarker = parts[p.MaxParts-1].PartNumber
|
|
parts = parts[:p.MaxParts]
|
|
}
|
|
|
|
res.Parts = parts
|
|
|
|
return &res, nil
|
|
}
|
|
|
|
func (n *layer) getUploadParts(ctx context.Context, p *UploadInfoParams) (*data.MultipartInfo, map[int]*data.PartInfo, error) {
|
|
multipartInfo, err := n.treeService.GetMultipartUpload(ctx, p.Bkt, p.Key, p.UploadID)
|
|
if err != nil {
|
|
if stderrors.Is(err, ErrNodeNotFound) {
|
|
return nil, nil, errors.GetAPIError(errors.ErrNoSuchUpload)
|
|
}
|
|
return nil, nil, err
|
|
}
|
|
|
|
parts, err := n.treeService.GetParts(ctx, p.Bkt, multipartInfo.ID)
|
|
if err != nil {
|
|
return nil, nil, err
|
|
}
|
|
|
|
res := make(map[int]*data.PartInfo, len(parts))
|
|
for _, part := range parts {
|
|
res[part.Number] = part
|
|
}
|
|
|
|
return multipartInfo, res, nil
|
|
}
|
|
|
|
func trimAfterUploadIDAndKey(key, id string, uploads []*UploadInfo) []*UploadInfo {
|
|
var res []*UploadInfo
|
|
if len(uploads) != 0 && uploads[len(uploads)-1].Key < key {
|
|
return res
|
|
}
|
|
|
|
for _, obj := range uploads {
|
|
if obj.Key >= key && obj.UploadID > id {
|
|
res = append(res, obj)
|
|
}
|
|
}
|
|
|
|
return res
|
|
}
|
|
|
|
func trimAfterUploadKey(key string, objects []*UploadInfo) []*UploadInfo {
|
|
var result []*UploadInfo
|
|
if len(objects) != 0 && objects[len(objects)-1].Key <= key {
|
|
return result
|
|
}
|
|
for i, obj := range objects {
|
|
if obj.Key > key {
|
|
result = objects[i:]
|
|
break
|
|
}
|
|
}
|
|
|
|
return result
|
|
}
|
|
|
|
func uploadInfoFromMultipartInfo(uploadInfo *data.MultipartInfo, prefix, delimiter string) *UploadInfo {
|
|
var isDir bool
|
|
key := uploadInfo.Key
|
|
|
|
if !strings.HasPrefix(key, prefix) {
|
|
return nil
|
|
}
|
|
|
|
if len(delimiter) > 0 {
|
|
tail := strings.TrimPrefix(key, prefix)
|
|
index := strings.Index(tail, delimiter)
|
|
if index >= 0 {
|
|
isDir = true
|
|
key = prefix + tail[:index+1]
|
|
}
|
|
}
|
|
|
|
return &UploadInfo{
|
|
IsDir: isDir,
|
|
Key: key,
|
|
UploadID: uploadInfo.UploadID,
|
|
Owner: uploadInfo.Owner,
|
|
Created: uploadInfo.Created,
|
|
}
|
|
}
|