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Always use forward slashes in SFTP (Fixes #334)

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Add custom Join func that always uses forward slashes in SFTP
This commit is contained in:
Jan Bader 2015-11-02 14:53:34 +01:00
parent fc0f5d8f72
commit 81ec7337e0
1 changed files with 40 additions and 19 deletions
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59
backend/sftp/sftp.go
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@ -10,6 +10,7 @@ import (
"os/exec"
"path/filepath"
"sort"
"strings"
"github.com/juju/errors"
"github.com/pkg/sftp"
@ -74,12 +75,12 @@ func Open(dir string, program string, args ...string) (*SFTP, error) {
// test if all necessary dirs and files are there
items := []string{
dir,
filepath.Join(dir, backend.Paths.Data),
filepath.Join(dir, backend.Paths.Snapshots),
filepath.Join(dir, backend.Paths.Index),
filepath.Join(dir, backend.Paths.Locks),
filepath.Join(dir, backend.Paths.Keys),
filepath.Join(dir, backend.Paths.Temp),
Join(dir, backend.Paths.Data),
Join(dir, backend.Paths.Snapshots),
Join(dir, backend.Paths.Index),
Join(dir, backend.Paths.Locks),
Join(dir, backend.Paths.Keys),
Join(dir, backend.Paths.Temp),
}
for _, d := range items {
if _, err := sftp.c.Lstat(d); err != nil {
@ -101,16 +102,16 @@ func Create(dir string, program string, args ...string) (*SFTP, error) {
dirs := []string{
dir,
filepath.Join(dir, backend.Paths.Data),
filepath.Join(dir, backend.Paths.Snapshots),
filepath.Join(dir, backend.Paths.Index),
filepath.Join(dir, backend.Paths.Locks),
filepath.Join(dir, backend.Paths.Keys),
filepath.Join(dir, backend.Paths.Temp),
Join(dir, backend.Paths.Data),
Join(dir, backend.Paths.Snapshots),
Join(dir, backend.Paths.Index),
Join(dir, backend.Paths.Locks),
Join(dir, backend.Paths.Keys),
Join(dir, backend.Paths.Temp),
}
// test if config file already exists
_, err = sftp.c.Lstat(filepath.Join(dir, backend.Paths.Config))
_, err = sftp.c.Lstat(dir + backend.Paths.Config)
if err == nil {
return nil, errors.New("config file already exists")
}
@ -154,7 +155,7 @@ func (r *SFTP) tempFile() (string, *sftp.File, error) {
}
// construct tempfile name
name := filepath.Join(r.p, backend.Paths.Temp, "temp-"+hex.EncodeToString(buf))
name := Join(r.p, backend.Paths.Temp, "temp-"+hex.EncodeToString(buf))
// create file in temp dir
f, err := r.c.Create(name)
@ -286,13 +287,33 @@ func (r *SFTP) Create() (backend.Blob, error) {
return &blob, nil
}
func Join(parts ...string) string {
if len(parts) == 0 {
return ""
}
result := strings.TrimRight(parts[0], "/")
if len(parts) == 1 {
return result
}
for _, s := range parts[1:] {
s = strings.TrimRight(s, "/")
if len(s) == 0 {
continue
}
result = result + "/" + s
}
return result
}
// Construct path for given backend.Type and name.
func (r *SFTP) filename(t backend.Type, name string) string {
if t == backend.Config {
return filepath.Join(r.p, "config")
return Join(r.p + "config")
}
return filepath.Join(r.dirname(t, name), name)
return Join(r.dirname(t, name), name)
}
// Construct directory for given backend.Type.
@ -302,7 +323,7 @@ func (r *SFTP) dirname(t backend.Type, name string) string {
case backend.Data:
n = backend.Paths.Data
if len(name) > 2 {
n = filepath.Join(n, name[:2])
n = Join(n, name[:2])
}
case backend.Snapshot:
n = backend.Paths.Snapshots
@ -313,7 +334,7 @@ func (r *SFTP) dirname(t backend.Type, name string) string {
case backend.Key:
n = backend.Paths.Keys
}
return filepath.Join(r.p, n)
return Join(r.p, n)
}
// Get returns a reader that yields the content stored under the given
@ -396,7 +417,7 @@ func (r *SFTP) List(t backend.Type, done <-chan struct{}) <-chan string {
// read files
for _, dir := range dirs {
entries, err := r.c.ReadDir(filepath.Join(basedir, dir))
entries, err := r.c.ReadDir(Join(basedir, dir))
if err != nil {
continue
}