feat: initial storage service

cmd/portal/portal.go

@@ -6,6 +6,7 @@ import (
 	"git.lumeweb.com/LumeWeb/portal/config"
 	"git.lumeweb.com/LumeWeb/portal/interfaces"
 	"git.lumeweb.com/LumeWeb/portal/protocols"
+	"git.lumeweb.com/LumeWeb/portal/storage"
 	"github.com/spf13/viper"
 	"go.sia.tech/core/wallet"
 	"go.uber.org/zap"
@@ -23,15 +24,23 @@ type PortalImpl struct {
 	protocolRegistry protocols.ProtocolRegistry
 	logger           *zap.Logger
 	identity         ed25519.PrivateKey
+	storage          interfaces.StorageService
 }
 
 func NewPortal() interfaces.Portal {
 	logger, _ := zap.NewDevelopment()
-	return &PortalImpl{
+
+	portal := &PortalImpl{
 		apiRegistry:      api.NewRegistry(),
 		protocolRegistry: protocols.NewProtocolRegistry(),
 		logger:           logger,
+		storage:          nil,
 	}
+
+	storageServ := storage.NewStorageService(portal)
+	portal.storage = storageServ
+
+	return portal
 }
 
 func (p *PortalImpl) Initialize() error {
@@ -143,6 +152,10 @@ func (p *PortalImpl) getInitFuncs() []func() error {
 		},
 	}
 }
+func (p *PortalImpl) Storage() interfaces.StorageService {
+	return p.storage
+}
+
 func (p *PortalImpl) getStartFuncs() []func() error {
 	return []func() error{
 		func() error {

interfaces/portal.go

@@ -15,4 +15,5 @@ type Portal interface {
 	Db() *gorm.DB
 	ApiRegistry() APIRegistry
 	Identity() ed25519.PrivateKey
+	Storage() StorageService
 }

interfaces/storage.go

@@ -0,0 +1,7 @@
+package interfaces
+
+import "io"
+
+type StorageService interface {
+	PutFile(file io.ReadSeeker, bucket string, generateProof bool) ([]byte, error)
+}

storage/storage.go

@@ -0,0 +1,64 @@
+package storage
+
+import (
+	"bytes"
+	"git.lumeweb.com/LumeWeb/libs5-go/encoding"
+	"git.lumeweb.com/LumeWeb/portal/interfaces"
+	"github.com/go-resty/resty/v2"
+	"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 {
+	client := resty.New()
+
+	client.SetBaseURL(portal.Config().GetString("core.sia.url"))
+	client.SetBasicAuth("", portal.Config().GetString("core.sia.key"))
+
+	return &StorageServiceImpl{
+		portal:  portal,
+		httpApi: client,
+	}
+}
+
+func (s StorageServiceImpl) PutFile(file io.ReadSeeker, bucket string, generateProof bool) ([]byte, error) {
+	buf := bytes.NewBuffer(nil)
+
+	_, err := io.Copy(buf, file)
+	if err != nil {
+		return nil, err
+	}
+
+	hash := blake3.Sum512(buf.Bytes())
+	hashStr, err := encoding.NewMultihash(hash[:]).ToBase64Url()
+	if err != nil {
+		return nil, err
+	}
+
+	buf.Reset()
+
+	resp, err := s.httpApi.R().
+		SetPathParam("path", hashStr).
+		SetFormData(map[string]string{
+			"bucket": bucket,
+		}).
+		SetBody(buf).Put("/api/worker/{path}")
+	if err != nil {
+		return nil, err
+	}
+
+	if resp.IsError() {
+		return nil, resp.Error().(error)
+	}
+
+	return hash[:], nil
+}