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woodpecker/vendor/github.com/gin-gonic/gin/fs.go

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2015-09-30 03:21:17 +02:00
package gin
import (
"net/http"
"os"
)
type (
onlyfilesFS struct {
fs http.FileSystem
}
neuteredReaddirFile struct {
http.File
}
)
// Dir returns a http.Filesystem that can be used by http.FileServer(). It is used interally
// in router.Static().
// if listDirectory == true, then it works the same as http.Dir() otherwise it returns
// a filesystem that prevents http.FileServer() to list the directory files.
func Dir(root string, listDirectory bool) http.FileSystem {
fs := http.Dir(root)
if listDirectory {
return fs
}
return &onlyfilesFS{fs}
}
// Conforms to http.Filesystem
func (fs onlyfilesFS) Open(name string) (http.File, error) {
f, err := fs.fs.Open(name)
if err != nil {
return nil, err
}
return neuteredReaddirFile{f}, nil
}
// Overrides the http.File default implementation
func (f neuteredReaddirFile) Readdir(count int) ([]os.FileInfo, error) {
// this disables directory listing
return nil, nil
}