Repository navigation
Expand file tree
/
Copy pathfs.go
More file actions
50 lines (40 loc) · 1.36 KB
/
Copy pathfs.go
File metadata and controls
50 lines (40 loc) · 1.36 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
// Copyright 2017 Manu Martinez-Almeida. All rights reserved.
// Use of this source code is governed by a MIT style
// license that can be found in the LICENSE file.
package gin
import (
"net/http"
"os"
)
// OnlyFilesFS implements an http.FileSystem without `Readdir` functionality.
type OnlyFilesFS struct {
FileSystem http.FileSystem
}
// Open passes `Open` to the upstream implementation without `Readdir` functionality.
func (o OnlyFilesFS) Open(name string) (http.File, error) {
f, err := o.FileSystem.Open(name)
if err != nil {
return nil, err
}
return neutralizedReaddirFile{f}, nil
}
// neutralizedReaddirFile wraps http.File with a specific implementation of `Readdir`.
type neutralizedReaddirFile struct {
http.File
}
// Readdir overrides the http.File default implementation and always returns nil.
func (n neutralizedReaddirFile) Readdir(_ int) ([]os.FileInfo, error) {
// this disables directory listing
return nil, nil
}
// Dir returns an http.FileSystem that can be used by http.FileServer().
// It is used internally 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{FileSystem: fs}
}