feat: option to change file hash when update to webdav

pkg/storage/webdav.go

@@ -7,6 +7,7 @@ import (
 	"path/filepath"
 	"polaris/log"
 	"polaris/pkg/gowebdav"
+	"polaris/pkg/utils"
 
 	"github.com/gabriel-vasile/mimetype"
 	"github.com/pkg/errors"
@@ -15,9 +16,10 @@ import (
 type WebdavStorage struct {
 	fs *gowebdav.Client
 	dir string
+	changeMediaHash bool
 }
 
-func NewWebdavStorage(url, user, password, path string) (*WebdavStorage, error) {
+func NewWebdavStorage(url, user, password, path string, changeMediaHash bool) (*WebdavStorage, error) {
 	c := gowebdav.NewClient(url, user, password)
 	if err := c.Connect(); err != nil {
 		return nil, errors.Wrap(err, "connect webdav")
@@ -53,6 +55,11 @@ func (w *WebdavStorage) Move(local, remote string) error {
 			// }
 
 		} else { //is file
+			if w.changeMediaHash {
+				if err := utils.ChangeFileHash(path); err != nil {
+					log.Errorf("change file %v hash error: %v", path, err)
+				}
+			}
 			if f, err := os.OpenFile(path, os.O_RDONLY, 0666); err != nil {
 				return errors.Wrapf(err, "read file %v", path)
 			} else { //open success

pkg/utils/utils.go

@@ -1,6 +1,7 @@
 package utils
 
 import (
+	"os"
 	"regexp"
 	"strconv"
 	"strings"
@@ -146,3 +147,16 @@ func AvailableSpace(dir string) uint64 {
 	unix.Statfs(dir, &stat)
 	return stat.Bavail * uint64(stat.Bsize)
 }
+
+func ChangeFileHash(name string) error {
+	f, err := os.OpenFile(name, os.O_APPEND|os.O_WRONLY, 0655)
+	if err != nil {
+		return errors.Wrap(err, "open file")
+	}
+	defer f.Close()
+	_, err = f.Write([]byte("\000"))
+	if err != nil {
+		return errors.Wrap(err, "write file")
+	}
+	return nil
+}