// Copyright © 2014 Steve Francia <spf@spf13.com>. // // 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 afero import ( "errors" "net/http" "os" "path" "path/filepath" "strings" ) type httpDir struct { basePath string fs HttpFs } func (d httpDir) Open(name string) (http.File, error) { if filepath.Separator != '/' && strings.IndexRune(name, filepath.Separator) >= 0 || strings.Contains(name, "\x00") { return nil, errors.New("http: invalid character in file path") } dir := string(d.basePath) if dir == "" { dir = "." } f, err := d.fs.Open(filepath.Join(dir, filepath.FromSlash(path.Clean("/"+name)))) if err != nil { return nil, err } return f, nil } type HttpFs struct { SourceFs Fs } func (h HttpFs) Dir(s string) *httpDir { return &httpDir{basePath: s, fs: h} } func (h HttpFs) Name() string { return "h HttpFs" } func (h HttpFs) Create(name string) (File, error) { return h.SourceFs.Create(name) } func (h HttpFs) Mkdir(name string, perm os.FileMode) error { return h.SourceFs.Mkdir(name, perm) } func (h HttpFs) MkdirAll(path string, perm os.FileMode) error { return h.SourceFs.MkdirAll(path, perm) } func (h HttpFs) Open(name string) (http.File, error) { f, err := h.SourceFs.Open(name) if err == nil { if httpfile, ok := f.(http.File); ok { return httpfile, nil } } return nil, err } func (h HttpFs) OpenFile(name string, flag int, perm os.FileMode) (File, error) { return h.SourceFs.OpenFile(name, flag, perm) } func (h HttpFs) Remove(name string) error { return h.SourceFs.Remove(name) } func (h HttpFs) RemoveAll(path string) error { return h.SourceFs.RemoveAll(path) } func (h HttpFs) Rename(oldname, newname string) error { return h.SourceFs.Rename(oldname, newname) } func (h HttpFs) Stat(name string) (os.FileInfo, error) { return h.SourceFs.Stat(name) }