forked from yunionio/pkg
/
fs.go
52 lines (44 loc) · 1.25 KB
/
fs.go
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// Copyright 2019 Yunion
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package httputils
import (
"net/http"
"strings"
)
// http filesystem that prevent directory listing
// https://gist.github.com/hauxe/f2ea1901216177ccf9550a1b8bd59178#file-http_static_correct-go
// FileSystem custom file system handler
type FileSystem struct {
fs http.FileSystem
}
// Open opens file
func (fs FileSystem) Open(path string) (http.File, error) {
f, err := fs.fs.Open(path)
if err != nil {
return nil, err
}
s, err := f.Stat()
if s.IsDir() {
index := strings.TrimSuffix(path, "/") + "/index.html"
if _, err := fs.fs.Open(index); err != nil {
return nil, err
}
}
return f, nil
}
func Dir(dir string) http.FileSystem {
return FileSystem{
http.Dir(dir),
}
}