优化结构

internal/integration/storage/qiniu_storage.go

@@ -22,7 +22,6 @@ type qiniuStorage struct {
 	upload  *qstorage.FormUploader
 	manager *qstorage.BucketManager
 	mac     *qbox.Mac
-	token   string
 }
 
 func newQiniuStorage(config *conf.AdminBackend_Qiniu) (system.FileStorage, error) {
@@ -43,10 +42,14 @@ func newQiniuStorage(config *conf.AdminBackend_Qiniu) (system.FileStorage, error
 		cfg.Zone = &qstorage.ZoneXinjiapo
 	}
 	mac := qbox.NewMac(config.AccessKey, config.SecretKey)
-	policy := qstorage.PutPolicy{Scope: config.Bucket}
-	token := policy.UploadToken(mac)
-	return &qiniuStorage{config: config, upload: qstorage.NewFormUploader(&cfg), manager: qstorage.NewBucketManager(mac, &cfg), mac: mac, token: token}, nil
+	return &qiniuStorage{config: config, upload: qstorage.NewFormUploader(&cfg), manager: qstorage.NewBucketManager(mac, &cfg), mac: mac}, nil
 }
+
+func (s *qiniuStorage) uploadToken() string {
+	policy := qstorage.PutPolicy{Scope: s.config.Bucket, Expires: 3600}
+	return policy.UploadToken(s.mac)
+}
+
 func (s *qiniuStorage) file(key string, size int64) *system.StoredFile {
 	return &system.StoredFile{Name: path.Base(key), Path: key, URL: strings.TrimSuffix(s.config.BaseUrl, "/") + "/" + key, Size: size}
 }
@@ -68,7 +71,7 @@ func (s *qiniuStorage) Put(ctx context.Context, name string, reader io.Reader) (
 	}
 	defer temporary.Close()
 	ret := qstorage.PutRet{}
-	if err = s.upload.Put(ctx, &ret, s.token, strings.TrimPrefix(name, "/"), temporary, size, &qstorage.PutExtra{}); err != nil {
+	if err = s.upload.Put(ctx, &ret, s.uploadToken(), strings.TrimPrefix(name, "/"), temporary, size, &qstorage.PutExtra{}); err != nil {
 		return nil, err
 	}
 	return s.file(ret.Key, size), nil