package storage import ( "bytes" "encoding/hex" "git.lumeweb.com/LumeWeb/libs5-go/encoding" "git.lumeweb.com/LumeWeb/portal/db/models" "git.lumeweb.com/LumeWeb/portal/interfaces" "github.com/go-resty/resty/v2" "go.uber.org/zap" "io" "lukechampine.com/blake3" ) var ( _ interfaces.StorageService = (*StorageServiceImpl)(nil) ) type StorageServiceImpl struct { portal interfaces.Portal httpApi *resty.Client } func NewStorageService(portal interfaces.Portal) interfaces.StorageService { return &StorageServiceImpl{ portal: portal, httpApi: nil, } } func (s StorageServiceImpl) PutFile(file io.ReadSeeker, bucket string, generateProof bool) ([]byte, error) { hash, err := s.GetHash(file) hashStr, err := encoding.NewMultihash(hash[:]).ToBase64Url() if err != nil { return nil, err } _, err = file.Seek(0, io.SeekStart) if err != nil { return nil, err } err = s.createBucketIfNotExists(bucket) if err != nil { return nil, err } resp, err := s.httpApi.R(). SetPathParam("path", hashStr). SetFormData(map[string]string{ "bucket": bucket, }). SetBody(file).Put("/api/worker/objects/{path}") if err != nil { return nil, err } s.portal.Logger().Info("resp", zap.Any("resp", resp.String())) if resp.IsError() && resp.Error() != nil { return nil, resp.Error().(error) } return hash[:], nil } func (s *StorageServiceImpl) Init() { client := resty.New() client.SetDisableWarn(true) client.SetBaseURL(s.portal.Config().GetString("core.sia.url")) client.SetBasicAuth("", s.portal.Config().GetString("core.sia.key")) s.httpApi = client } func (s *StorageServiceImpl) createBucketIfNotExists(bucket string) error { resp, err := s.httpApi.R(). SetPathParam("bucket", bucket). Get("/api/bus/bucket/{bucket}") if err != nil { return err } if resp.StatusCode() != 404 { if resp.IsError() && resp.Error() != nil { return resp.Error().(error) } } else { resp, err := s.httpApi.R(). SetBody(map[string]string{ "name": bucket, }). Post("/api/bus/buckets") if err != nil { return err } if resp.IsError() && resp.Error() != nil { return resp.Error().(error) } } return nil } func (s *StorageServiceImpl) FileExists(hash []byte) (bool, models.Upload) { hashStr := hex.EncodeToString(hash) var upload models.Upload result := s.portal.Database().Model(&models.Upload{}).Where(&models.Upload{Hash: hashStr}).First(&upload) return result.RowsAffected > 0, upload } func (s *StorageServiceImpl) GetHash(file io.ReadSeeker) ([]byte, error) { buf := bytes.NewBuffer(nil) _, err := io.Copy(buf, file) if err != nil { return nil, err } hash := blake3.Sum256(buf.Bytes()) return hash[:], nil }