filebrowser/share/storage.go

75 lines
1.6 KiB
Go

package share
import (
"time"
"github.com/filebrowser/filebrowser/v2/errors"
)
// StorageBackend is the interface to implement for a share storage.
type StorageBackend interface {
GetByHash(hash string) (*Link, error)
GetPermanent(path string, id uint) (*Link, error)
Gets(path string, id uint) ([]*Link, error)
Save(s *Link) error
Delete(hash string) error
}
// Storage is a storage.
type Storage struct {
back StorageBackend
}
// NewStorage creates a share links storage from a backend.
func NewStorage(back StorageBackend) *Storage {
return &Storage{back: back}
}
// GetByHash wraps a StorageBackend.GetByHash.
func (s *Storage) GetByHash(hash string) (*Link, error) {
link, err := s.back.GetByHash(hash)
if err != nil {
return nil, err
}
if link.Expire != 0 && link.Expire <= time.Now().Unix() {
s.Delete(link.Hash)
return nil, errors.ErrNotExist
}
return link, nil
}
// GetPermanent wraps a StorageBackend.GetPermanent
func (s *Storage) GetPermanent(path string, id uint) (*Link, error) {
return s.back.GetPermanent(path, id)
}
// Gets wraps a StorageBackend.Gets
func (s *Storage) Gets(path string, id uint) ([]*Link, error) {
links, err := s.back.Gets(path, id)
if err != nil {
return nil, err
}
for i, link := range links {
if link.Expire != 0 && link.Expire <= time.Now().Unix() {
s.Delete(link.Hash)
links = append(links[:i], links[i+1:]...)
}
}
return links, nil
}
// Save wraps a StorageBackend.Save
func (s *Storage) Save(l *Link) error {
return s.back.Save(l)
}
// Delete wraps a StorageBackend.Delete
func (s *Storage) Delete(hash string) error {
return s.back.Delete(hash)
}