forked from tomma-a/ponzu
/
filesystem.go
66 lines (54 loc) · 1.4 KB
/
filesystem.go
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package admin
import (
"encoding/json"
"net/http"
"os"
"path/filepath"
"strings"
"github.com/sdassow/ponzu/system/db"
"github.com/sdassow/ponzu/system/item"
)
func deleteUploadFromDisk(target string) error {
// get data on file
data, err := db.Upload(target)
if err != nil {
return err
}
// unmarshal data
upload := item.FileUpload{}
if err = json.Unmarshal(data, &upload); err != nil {
return err
}
// split and rebuild path in OS friendly way
// use path to delete the physical file from disk
pathSplit := strings.Split(strings.TrimPrefix(upload.Path, "/api/"), "/")
pathJoin := filepath.Join(pathSplit...)
err = os.Remove(pathJoin)
if err != nil {
return err
}
return nil
}
func restrict(dir http.Dir) justFilesFilesystem {
return justFilesFilesystem{dir}
}
// the code below removes the open directory listing when accessing a URL which
// normally would point to a directory. code from golang-nuts mailing list:
// https://groups.google.com/d/msg/golang-nuts/bStLPdIVM6w/hidTJgDZpHcJ
// credit: Brad Fitzpatrick (c) 2012
type justFilesFilesystem struct {
fs http.FileSystem
}
func (fs justFilesFilesystem) Open(name string) (http.File, error) {
f, err := fs.fs.Open(name)
if err != nil {
return nil, err
}
return neuteredReaddirFile{f}, nil
}
type neuteredReaddirFile struct {
http.File
}
func (f neuteredReaddirFile) Readdir(count int) ([]os.FileInfo, error) {
return nil, nil
}