diff --git a/internal/photos/api/file.go b/internal/photos/api/file.go
index 56be7dc..acaebe9 100644
--- a/internal/photos/api/file.go
+++ b/internal/photos/api/file.go
@@ -113,7 +113,9 @@ func (s *Service) FileCreateChunk(c *gin.Context) {
 	io.Copy(b, c.Request.Body)
 	c.Request.Body.Close()
 
-	if err := s.Store.NewChunk(b.Bytes()).Save(); err != nil {
+	sess := s.CurrentSession(c)
+
+	if err := s.Store.NewChunk(b.Bytes()).Save(sess); err != nil {
 		if errors.Is(err, photoserrors.ErrStoreChunkAlreadyExists) {
 			s.Error(c, http.StatusOK, err)
 		} else {
diff --git a/internal/store/core.go b/internal/store/core.go
index 5b3d6d5..7c00941 100644
--- a/internal/store/core.go
+++ b/internal/store/core.go
@@ -3,11 +3,15 @@ package store
 import (
 	"crypto/sha1"
 	"encoding/hex"
+	"encoding/json"
 	"errors"
 	"fmt"
 	"os"
 	"path/filepath"
+	"time"
 
+	"github.com/gin-gonic/gin"
+	"gitlab.celogeek.com/photos/api/internal/photos/models"
 	"gitlab.celogeek.com/photos/api/internal/photoserrors"
 )
 
@@ -62,7 +66,7 @@ func (c *Chunk) Mkdir() error {
 	return os.MkdirAll(c.Dir(), 0755)
 }
 
-func (c *Chunk) Save() error {
+func (c *Chunk) Save(sess *models.Session) error {
 	if c.FileExists() {
 		return photoserrors.ErrStoreChunkAlreadyExists
 	}
@@ -71,13 +75,22 @@ func (c *Chunk) Save() error {
 		return err
 	}
 
-	fs, err := os.Create(c.Filename())
+	if err := os.WriteFile(c.Filename(), c.Bytes, 0666); err != nil {
+		return err
+	}
+
+	meta, err := os.Create(c.Filename() + ".json")
 	if err != nil {
 		return err
 	}
-	defer fs.Close()
-	_, err = fs.Write(c.Bytes)
-	return err
+	enc := json.NewEncoder(meta)
+	enc.SetIndent("", "  ")
+	return enc.Encode(gin.H{
+		"author":   sess.Account.Login,
+		"date":     time.Now().UTC().Format("2006-01-02 15:04:05"),
+		"checksum": c.Sum,
+		"size":     len(c.Bytes),
+	})
 }
 
 func (s *Store) Combine(sumb []string) (string, uint64, error) {