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129 lines
3.1 KiB
Go
129 lines
3.1 KiB
Go
// Copyright © 2015 Jerry Jacobs <jerry.jacobs@xor-gate.org>.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package afero
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import (
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"os"
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"time"
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"github.com/spf13/afero/sftp"
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"github.com/pkg/sftp"
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)
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// SftpFs is a Fs implementation that uses functions provided by the sftp package.
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//
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// For details in any method, check the documentation of the sftp package
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// (github.com/pkg/sftp).
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type SftpFs struct{
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SftpClient *sftp.Client
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}
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func (s SftpFs) Name() string { return "SftpFs" }
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func (s SftpFs) Create(name string) (File, error) {
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f, err := sftpfs.FileCreate(s.SftpClient, name)
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return f, err
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}
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func (s SftpFs) Mkdir(name string, perm os.FileMode) error {
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err := s.SftpClient.Mkdir(name)
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if err != nil {
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return err
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}
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return s.SftpClient.Chmod(name, perm)
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}
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func (s SftpFs) MkdirAll(path string, perm os.FileMode) error {
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// Fast path: if we can tell whether path is a directory or file, stop with success or error.
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dir, err := s.Stat(path)
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if err == nil {
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if dir.IsDir() {
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return nil
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}
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return err
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}
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// Slow path: make sure parent exists and then call Mkdir for path.
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i := len(path)
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for i > 0 && os.IsPathSeparator(path[i-1]) { // Skip trailing path separator.
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i--
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}
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j := i
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for j > 0 && !os.IsPathSeparator(path[j-1]) { // Scan backward over element.
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j--
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}
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if j > 1 {
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// Create parent
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err = s.MkdirAll(path[0:j-1], perm)
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if err != nil {
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return err
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}
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}
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// Parent now exists; invoke Mkdir and use its result.
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err = s.Mkdir(path, perm)
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if err != nil {
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// Handle arguments like "foo/." by
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// double-checking that directory doesn't exist.
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dir, err1 := s.Lstat(path)
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if err1 == nil && dir.IsDir() {
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return nil
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}
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return err
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}
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return nil
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}
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func (s SftpFs) Open(name string) (File, error) {
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f, err := sftpfs.FileOpen(s.SftpClient, name)
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return f, err
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}
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func (s SftpFs) OpenFile(name string, flag int, perm os.FileMode) (File, error) {
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return nil,nil
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}
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func (s SftpFs) Remove(name string) error {
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return s.SftpClient.Remove(name)
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}
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func (s SftpFs) RemoveAll(path string) error {
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// TODO have a look at os.RemoveAll
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// https://github.com/golang/go/blob/master/src/os/path.go#L66
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return nil
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}
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func (s SftpFs) Rename(oldname, newname string) error {
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return s.SftpClient.Rename(oldname, newname)
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}
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func (s SftpFs) Stat(name string) (os.FileInfo, error) {
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return s.SftpClient.Stat(name)
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}
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func (s SftpFs) Lstat(p string) (os.FileInfo, error) {
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return s.SftpClient.Lstat(p)
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}
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func (s SftpFs) Chmod(name string, mode os.FileMode) error {
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return s.SftpClient.Chmod(name, mode)
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}
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func (s SftpFs) Chtimes(name string, atime time.Time, mtime time.Time) error {
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return s.SftpClient.Chtimes(name, atime, mtime)
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}
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