forked from spf13/afero
/
ftp.go
212 lines (175 loc) · 4.22 KB
/
ftp.go
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package ftpfs
import (
"fmt"
"log"
"os"
"path"
"time"
"github.com/jlaffaye/ftp"
"github.com/parro-it/afero"
)
// Fs is a afero.Fs implementation that uses functions provided by the sftp package.
//
// For details in any method, check the documentation of the sftp package
// (github.com/pkg/sftp).
type Fs struct {
client *ftp.ServerConn
}
func FtpConnect(user, password, host string) (*Fs, error) {
client, err := ftp.Dial(host, ftp.DialWithTimeout(25*time.Second))
if err != nil {
return nil, err
}
err = client.Login(user, password)
if err != nil {
return nil, err
}
err = client.ChangeDir("~")
if err != nil {
return nil, err
}
dir, err := client.CurrentDir()
if err != nil {
return nil, err
}
fmt.Println(dir)
return &Fs{client: client}, nil
}
func New(client *ftp.ServerConn) afero.Fs {
return &Fs{client: client}
}
func (s Fs) Disconnect() {
if err := s.client.Logout(); err != nil {
log.Printf("ERROR: Logout from remote server: %v\n", err)
}
if err := s.client.Quit(); err != nil {
log.Printf("ERROR: Quit from remote server: %v\n", err)
}
}
func (s Fs) Name() string { return "ftpfs" }
func (s *Fs) Create(name string) (afero.File, error) {
return FileCreate(s, name)
}
func (s Fs) Mkdir(name string, perm os.FileMode) error {
return s.client.MakeDir(name)
}
func (s Fs) MkdirAll(path string, perm os.FileMode) error {
/*// Fast path: if we can tell whether path is a directory or file, stop with success or error.
dir, err := s.Stat(path)
if err == nil {
if dir.IsDir() {
return nil
}
return err
}
// Slow path: make sure parent exists and then call Mkdir for path.
i := len(path)
for i > 0 && os.IsPathSeparator(path[i-1]) { // Skip trailing path separator.
i--
}
j := i
for j > 0 && !os.IsPathSeparator(path[j-1]) { // Scan backward over element.
j--
}
if j > 1 {
// Create parent
err = s.MkdirAll(path[0:j-1], perm)
if err != nil {
return err
}
}
// Parent now exists; invoke Mkdir and use its result.
err = s.Mkdir(path, perm)
if err != nil {
// Handle arguments like "foo/." by
// double-checking that directory doesn't exist.
dir, err1 := s.Lstat(path)
if err1 == nil && dir.IsDir() {
return nil
}
return err
}
return nil*/
return nil
}
func (s *Fs) Open(name string) (afero.File, error) {
return FileOpen(s, name)
}
func (s Fs) OpenFile(name string, flag int, perm os.FileMode) (afero.File, error) {
return nil, nil
}
func (s Fs) Remove(name string) error {
return nil // s.client.Remove(name)
}
func (s Fs) RemoveAll(path string) error {
// TODO have a look at os.RemoveAll
// https://github.com/golang/go/blob/master/src/os/path.go#L66
return nil
}
func (s Fs) Rename(oldname, newname string) error {
return s.client.Rename(oldname, newname)
}
type FileInfo struct {
name string
size int64
mode os.FileMode
modtime time.Time
isdir bool
sys interface{}
}
// base name of the file
func (info FileInfo) Name() string {
return info.name
}
// length in bytes for regular files; system-dependent for others
func (info FileInfo) Size() int64 {
return info.size
}
// file mode bits
func (info FileInfo) Mode() os.FileMode {
return info.mode
}
// modification time
func (info FileInfo) ModTime() time.Time {
return info.modtime
}
// abbreviation for Mode().IsDir()
func (info FileInfo) IsDir() bool {
return info.isdir
}
// underlying data source (can return nil)
func (info FileInfo) Sys() interface{} {
return info.sys
}
func (s Fs) Stat(name string) (os.FileInfo, error) {
dir, basename := path.Split(name)
entries, err := s.client.List(dir)
if err != nil {
return nil, err
}
if len(entries) == 0 {
return nil, os.ErrNotExist
}
for _, e := range entries {
if e.Name != basename {
continue
}
return &FileInfo{
name: e.Name,
size: int64(e.Size),
isdir: e.Type == ftp.EntryTypeFolder,
sys: e,
modtime: e.Time,
}, nil //s.client.Stat(name)
}
return nil, os.ErrNotExist
}
func (s Fs) Lstat(p string) (os.FileInfo, error) {
return nil, nil //s.client.Lstat(p)
}
func (s Fs) Chmod(name string, mode os.FileMode) error {
return nil //s.client.Chmod(name, mode)
}
func (s Fs) Chtimes(name string, atime time.Time, mtime time.Time) error {
return nil //s.client.Chtimes(name, atime, mtime)
}