501 lines
12 KiB
Go
501 lines
12 KiB
Go
package storage
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import (
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"bytes"
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"context"
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"errors"
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"fmt"
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"io"
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"math"
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"net/http"
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"sort"
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"time"
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"git.lumeweb.com/LumeWeb/portal/db/models"
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"github.com/aws/aws-sdk-go-v2/service/s3/types"
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"github.com/docker/go-units"
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"github.com/aws/aws-sdk-go-v2/aws"
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awsConfig "github.com/aws/aws-sdk-go-v2/config"
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"github.com/aws/aws-sdk-go-v2/credentials"
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"github.com/aws/aws-sdk-go-v2/service/s3"
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"git.lumeweb.com/LumeWeb/portal/config"
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"go.uber.org/fx"
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"go.sia.tech/renterd/api"
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"git.lumeweb.com/LumeWeb/portal/metadata"
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"go.uber.org/zap"
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"git.lumeweb.com/LumeWeb/portal/bao"
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"gorm.io/gorm"
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"git.lumeweb.com/LumeWeb/portal/renter"
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)
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const PROOF_EXTENSION = ".obao"
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const S3_MULTIPART_MAX_PARTS = 9500
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const S3_MULTIPART_MIN_PART_SIZE = uint64(5 * units.MiB)
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var _ StorageService = (*StorageServiceDefault)(nil)
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type FileNameEncoderFunc func([]byte) string
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type StorageProtocol interface {
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Name() string
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EncodeFileName([]byte) string
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}
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var Module = fx.Module("storage",
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fx.Provide(
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fx.Annotate(
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NewStorageService,
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fx.As(new(StorageService)),
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),
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),
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)
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type StorageService interface {
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UploadObject(ctx context.Context, protocol StorageProtocol, data io.ReadSeeker, muParams *renter.MultiPartUploadParams, proof *bao.Result) (*metadata.UploadMetadata, error)
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UploadObjectProof(ctx context.Context, protocol StorageProtocol, data io.ReadSeeker, proof *bao.Result) error
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HashObject(ctx context.Context, data io.Reader) (*bao.Result, error)
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DownloadObject(ctx context.Context, protocol StorageProtocol, objectHash []byte, start int64) (io.ReadCloser, error)
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DownloadObjectProof(ctx context.Context, protocol StorageProtocol, objectHash []byte) (io.ReadCloser, error)
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DeleteObject(ctx context.Context, protocol StorageProtocol, objectHash []byte) error
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DeleteObjectProof(ctx context.Context, protocol StorageProtocol, objectHash []byte) error
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S3Client(ctx context.Context) (*s3.Client, error)
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S3MultipartUpload(ctx context.Context, data io.ReadCloser, bucket, key string, size uint64) error
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}
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type StorageServiceDefault struct {
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config *config.Manager
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db *gorm.DB
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renter *renter.RenterDefault
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logger *zap.Logger
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metadata metadata.MetadataService
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}
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type StorageServiceParams struct {
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fx.In
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Config *config.Manager
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Db *gorm.DB
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Renter *renter.RenterDefault
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Logger *zap.Logger
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Metadata metadata.MetadataService
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}
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func NewStorageService(params StorageServiceParams) *StorageServiceDefault {
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return &StorageServiceDefault{
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config: params.Config,
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db: params.Db,
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renter: params.Renter,
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logger: params.Logger,
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metadata: params.Metadata,
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}
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}
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func (s StorageServiceDefault) UploadObject(ctx context.Context, protocol StorageProtocol, data io.ReadSeeker, muParams *renter.MultiPartUploadParams, proof *bao.Result) (*metadata.UploadMetadata, error) {
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readers := make([]io.ReadCloser, 0)
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defer func() {
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for _, reader := range readers {
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err := reader.Close()
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if err != nil {
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s.logger.Error("error closing reader", zap.Error(err))
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}
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}
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}()
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getReader := func() (io.Reader, error) {
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if muParams != nil {
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muReader, err := muParams.ReaderFactory(0, uint(muParams.Size))
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if err != nil {
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return nil, err
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}
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found := false
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for _, reader := range readers {
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if reader == muReader {
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found = true
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break
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}
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}
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if !found {
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readers = append(readers, muReader)
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}
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return muReader, nil
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}
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_, err := data.Seek(0, io.SeekStart)
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if err != nil {
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return nil, err
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}
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return data, nil
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}
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reader, err := getReader()
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if err != nil {
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return nil, err
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}
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if proof == nil {
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hashResult, err := s.HashObject(ctx, reader)
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if err != nil {
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return nil, err
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}
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reader, err = getReader()
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if err != nil {
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return nil, err
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}
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proof = hashResult
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}
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meta, err := s.metadata.GetUpload(ctx, proof.Hash)
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if err == nil {
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return &meta, nil
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}
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mimeBytes := make([]byte, 512)
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reader, err = getReader()
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if err != nil {
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return nil, err
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}
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_, err = io.ReadFull(reader, mimeBytes)
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if err != nil {
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if !errors.Is(err, io.ErrUnexpectedEOF) {
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return nil, err
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}
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reader, err = getReader()
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if err != nil {
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return nil, err
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}
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mimeBytes, err = io.ReadAll(reader)
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}
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reader, err = getReader()
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if err != nil {
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return nil, err
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}
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mimeType := http.DetectContentType(mimeBytes)
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protocolName := protocol.Name()
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err = s.renter.CreateBucketIfNotExists(protocolName)
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if err != nil {
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return nil, err
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}
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filename := protocol.EncodeFileName(proof.Hash)
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err = s.UploadObjectProof(ctx, protocol, nil, proof)
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if err != nil {
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return nil, err
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}
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uploadMeta := &metadata.UploadMetadata{
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Protocol: protocolName,
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Hash: proof.Hash,
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MimeType: mimeType,
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Size: uint64(proof.Length),
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}
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if muParams != nil {
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muParams.FileName = filename
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muParams.Bucket = protocolName
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err = s.renter.UploadObjectMultipart(ctx, muParams)
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if err != nil {
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return nil, err
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}
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return uploadMeta, nil
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}
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err = s.renter.UploadObject(ctx, reader, protocolName, filename)
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if err != nil {
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return nil, err
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}
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return uploadMeta, nil
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}
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func (s StorageServiceDefault) UploadObjectProof(ctx context.Context, protocol StorageProtocol, data io.ReadSeeker, proof *bao.Result) error {
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if proof == nil {
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hashResult, err := s.HashObject(ctx, data)
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if err != nil {
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return err
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}
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proof = hashResult
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}
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protocolName := protocol.Name()
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err := s.renter.CreateBucketIfNotExists(protocolName)
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if err != nil {
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return err
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}
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return s.renter.UploadObject(ctx, bytes.NewReader(proof.Proof), protocolName, s.getProofPath(protocol, proof.Hash))
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}
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func (s StorageServiceDefault) HashObject(ctx context.Context, data io.Reader) (*bao.Result, error) {
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result, err := bao.Hash(data)
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if err != nil {
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return nil, err
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}
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return result, nil
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}
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func (s StorageServiceDefault) DownloadObject(ctx context.Context, protocol StorageProtocol, objectHash []byte, start int64) (io.ReadCloser, error) {
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var partialRange api.DownloadRange
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upload, err := s.metadata.GetUpload(ctx, objectHash)
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if err != nil {
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return nil, err
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}
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if start > 0 {
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partialRange = api.DownloadRange{
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Offset: start,
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Length: int64(upload.Size) - start + 1,
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Size: int64(upload.Size),
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}
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}
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object, err := s.renter.GetObject(ctx, protocol.Name(), protocol.EncodeFileName(objectHash), api.DownloadObjectOptions{Range: partialRange})
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if err != nil {
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return nil, err
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}
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return object.Content, nil
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}
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func (s StorageServiceDefault) DownloadObjectProof(ctx context.Context, protocol StorageProtocol, objectHash []byte) (io.ReadCloser, error) {
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object, err := s.renter.GetObject(ctx, protocol.Name(), protocol.EncodeFileName(objectHash)+".bao", api.DownloadObjectOptions{})
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if err != nil {
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return nil, err
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}
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return object.Content, nil
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}
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func (s StorageServiceDefault) DeleteObject(ctx context.Context, protocol StorageProtocol, objectHash []byte) error {
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err := s.renter.DeleteObject(ctx, protocol.Name(), protocol.EncodeFileName(objectHash))
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if err != nil {
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return err
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}
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return nil
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}
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func (s StorageServiceDefault) DeleteObjectProof(ctx context.Context, protocol StorageProtocol, objectHash []byte) error {
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err := s.renter.DeleteObject(ctx, protocol.Name(), s.getProofPath(protocol, objectHash))
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if err != nil {
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return err
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}
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return nil
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}
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func (s StorageServiceDefault) S3Client(ctx context.Context) (*s3.Client, error) {
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customResolver := aws.EndpointResolverWithOptionsFunc(func(service, region string, options ...interface{}) (aws.Endpoint, error) {
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if service == s3.ServiceID {
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return aws.Endpoint{
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URL: s.config.Config().Core.Storage.S3.Endpoint,
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SigningRegion: s.config.Config().Core.Storage.S3.Region,
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}, nil
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}
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return aws.Endpoint{}, &aws.EndpointNotFoundError{}
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})
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cfg, err := awsConfig.LoadDefaultConfig(ctx,
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awsConfig.WithRegion("us-east-1"),
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awsConfig.WithCredentialsProvider(credentials.NewStaticCredentialsProvider(
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s.config.Config().Core.Storage.S3.AccessKey,
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s.config.Config().Core.Storage.S3.SecretKey,
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"",
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)),
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awsConfig.WithEndpointResolverWithOptions(customResolver),
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)
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if err != nil {
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return nil, err
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}
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return s3.NewFromConfig(cfg), nil
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}
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func (s StorageServiceDefault) S3MultipartUpload(ctx context.Context, data io.ReadCloser, bucket, key string, size uint64) error {
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client, err := s.S3Client(ctx)
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if err != nil {
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return err
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}
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var uploadId string
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var lastPartNumber int32
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partSize := S3_MULTIPART_MIN_PART_SIZE
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totalParts := int(math.Ceil(float64(size) / float64(partSize)))
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if totalParts > S3_MULTIPART_MAX_PARTS {
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partSize = size / S3_MULTIPART_MAX_PARTS
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totalParts = S3_MULTIPART_MAX_PARTS
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}
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var completedParts []types.CompletedPart
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var s3Upload models.S3Upload
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s3Upload.Bucket = bucket
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s3Upload.Key = key
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startTime := time.Now()
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var totalUploadDuration time.Duration
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var currentAverageDuration time.Duration
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ret := s.db.Model(&s3Upload).First(&s3Upload)
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if ret.Error != nil {
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if !errors.Is(ret.Error, gorm.ErrRecordNotFound) {
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return ret.Error
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}
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} else {
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uploadId = s3Upload.UploadID
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}
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if len(uploadId) > 0 {
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parts, err := client.ListParts(ctx, &s3.ListPartsInput{
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Bucket: aws.String(bucket),
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Key: aws.String(key),
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UploadId: aws.String(uploadId),
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})
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if err != nil {
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uploadId = ""
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} else {
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for _, part := range parts.Parts {
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if uint64(*part.Size) == partSize {
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if *part.PartNumber > lastPartNumber {
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lastPartNumber = *part.PartNumber
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completedParts = append(completedParts, types.CompletedPart{
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ETag: part.ETag,
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PartNumber: part.PartNumber,
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})
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}
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}
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}
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}
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}
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if uploadId == "" {
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mu, err := client.CreateMultipartUpload(ctx, &s3.CreateMultipartUploadInput{
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Bucket: aws.String(bucket),
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Key: aws.String(key),
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})
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if err != nil {
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return err
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}
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uploadId = *mu.UploadId
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s3Upload.UploadID = uploadId
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ret = s.db.Save(&s3Upload)
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if ret.Error != nil {
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return ret.Error
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}
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}
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for partNum := 1; partNum <= totalParts; partNum++ {
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partStartTime := time.Now()
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partData := make([]byte, partSize)
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readSize, err := data.Read(partData)
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if err != nil && err != io.EOF {
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return err
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}
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if partNum <= int(lastPartNumber) {
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continue
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}
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uploadPartOutput, err := client.UploadPart(ctx, &s3.UploadPartInput{
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Bucket: aws.String(bucket),
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Key: aws.String(key),
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PartNumber: aws.Int32(int32(partNum)),
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UploadId: aws.String(uploadId),
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Body: bytes.NewReader(partData[:readSize]),
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})
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if err != nil {
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// Abort the multipart upload in case of error
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_, abortErr := client.AbortMultipartUpload(ctx, &s3.AbortMultipartUploadInput{
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Bucket: aws.String(bucket),
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Key: aws.String(key),
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UploadId: aws.String(uploadId),
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})
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if abortErr != nil {
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s.logger.Error("error aborting multipart upload", zap.Error(abortErr))
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}
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return err
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}
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completedParts = append(completedParts, types.CompletedPart{
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ETag: uploadPartOutput.ETag,
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PartNumber: aws.Int32(int32(partNum)),
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})
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partDuration := time.Since(partStartTime)
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totalUploadDuration += partDuration
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currentAverageDuration = totalUploadDuration / time.Duration(partNum)
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eta := time.Duration(int(currentAverageDuration) * (totalParts - partNum))
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s.logger.Debug("Completed part", zap.Int("partNum", partNum), zap.Int("totalParts", totalParts), zap.Uint64("partSize", partSize), zap.Int("readSize", readSize), zap.Int("size", int(size)), zap.Int("totalParts", totalParts), zap.Int("partNum", partNum), zap.String("key", key), zap.String("bucket", bucket), zap.Duration("durationMs", partDuration),
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zap.Duration("currentAverageDurationMs", currentAverageDuration), zap.Duration("eta", eta))
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}
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// Ensure parts are ordered by part number before completing the upload
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sort.Slice(completedParts, func(i, j int) bool {
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return *completedParts[i].PartNumber < *completedParts[j].PartNumber
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})
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_, err = client.CompleteMultipartUpload(ctx, &s3.CompleteMultipartUploadInput{
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Bucket: aws.String(bucket),
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Key: aws.String(key),
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UploadId: aws.String(uploadId),
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MultipartUpload: &types.CompletedMultipartUpload{
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Parts: completedParts,
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},
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})
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if err != nil {
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return err
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}
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if tx := s.db.Delete(&s3Upload); tx.Error != nil {
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return tx.Error
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}
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endTime := time.Now()
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s.logger.Debug("S3 multipart upload complete", zap.String("key", key), zap.String("bucket", bucket), zap.Duration("duration", endTime.Sub(startTime)))
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return nil
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}
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func (s StorageServiceDefault) getProofPath(protocol StorageProtocol, objectHash []byte) string {
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return fmt.Sprintf("%s%s", protocol.EncodeFileName(objectHash), PROOF_EXTENSION)
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}
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