You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
105 lines
2.4 KiB
105 lines
2.4 KiB
package weed_server
|
|
|
|
import (
|
|
"context"
|
|
"golang.org/x/net/webdav"
|
|
"io/fs"
|
|
"os"
|
|
"strings"
|
|
)
|
|
|
|
type wrappedFs struct {
|
|
subFolder string
|
|
webdav.FileSystem
|
|
}
|
|
|
|
// NewWrappedFs returns a webdav.FileSystem identical to fs, except it
|
|
// provides access to a sub-folder of fs that is denominated by subFolder.
|
|
// It transparently handles renaming paths and filenames so that the outer part of the wrapped filesystem
|
|
// does not leak out.
|
|
func NewWrappedFs(fs webdav.FileSystem, subFolder string) webdav.FileSystem {
|
|
return wrappedFs{
|
|
subFolder: subFolder,
|
|
FileSystem: fs,
|
|
}
|
|
}
|
|
|
|
func (w wrappedFs) Mkdir(ctx context.Context, name string, perm os.FileMode) error {
|
|
name = w.subFolder + name
|
|
return w.FileSystem.Mkdir(ctx, name, perm)
|
|
}
|
|
|
|
func (w wrappedFs) OpenFile(ctx context.Context, name string, flag int, perm os.FileMode) (webdav.File, error) {
|
|
name = w.subFolder + name
|
|
file, err := w.FileSystem.OpenFile(ctx, name, flag, perm)
|
|
file = wrappedFile{
|
|
File: file,
|
|
subFolder: &w.subFolder,
|
|
}
|
|
|
|
return file, err
|
|
}
|
|
|
|
func (w wrappedFs) RemoveAll(ctx context.Context, name string) error {
|
|
name = w.subFolder + name
|
|
return w.FileSystem.RemoveAll(ctx, name)
|
|
}
|
|
|
|
func (w wrappedFs) Rename(ctx context.Context, oldName, newName string) error {
|
|
oldName = w.subFolder + oldName
|
|
newName = w.subFolder + newName
|
|
return w.FileSystem.Rename(ctx, oldName, newName)
|
|
}
|
|
|
|
func (w wrappedFs) Stat(ctx context.Context, name string) (os.FileInfo, error) {
|
|
name = w.subFolder + name
|
|
info, err := w.FileSystem.Stat(ctx, name)
|
|
info = wrappedFileInfo{
|
|
subFolder: &w.subFolder,
|
|
FileInfo: info,
|
|
}
|
|
return info, err
|
|
}
|
|
|
|
type wrappedFile struct {
|
|
webdav.File
|
|
subFolder *string
|
|
}
|
|
|
|
func (w wrappedFile) Readdir(count int) ([]fs.FileInfo, error) {
|
|
infos, err := w.File.Readdir(count)
|
|
for i, info := range infos {
|
|
infos[i] = wrappedFileInfo{
|
|
subFolder: w.subFolder,
|
|
FileInfo: info,
|
|
}
|
|
}
|
|
return infos, err
|
|
}
|
|
|
|
func (w wrappedFile) Stat() (fs.FileInfo, error) {
|
|
info, err := w.File.Stat()
|
|
info = wrappedFileInfo{
|
|
subFolder: w.subFolder,
|
|
FileInfo: info,
|
|
}
|
|
return info, err
|
|
}
|
|
|
|
type wrappedFileInfo struct {
|
|
subFolder *string
|
|
fs.FileInfo
|
|
}
|
|
|
|
func (w wrappedFileInfo) Name() string {
|
|
name := w.FileInfo.Name()
|
|
return strings.TrimPrefix(name, *w.subFolder)
|
|
}
|
|
|
|
func (w wrappedFileInfo) ETag(ctx context.Context) (string, error) {
|
|
etag, _ := w.FileInfo.(webdav.ETager).ETag(ctx)
|
|
if len(etag) == 0 {
|
|
return etag, webdav.ErrNotImplemented
|
|
}
|
|
return etag, nil
|
|
}
|