Merge pull request #31 from digineo/listings

Add support for more listing formats
This commit is contained in:
Julien Laffaye 2015-08-18 19:17:10 +02:00
commit e6587b1638
2 changed files with 117 additions and 34 deletions

99
ftp.go
View File

@ -292,8 +292,70 @@ func (c *ServerConn) cmdDataConnFrom(offset uint64, format string, args ...inter
// parseListLine parses the various non-standard format returned by the LIST // parseListLine parses the various non-standard format returned by the LIST
// FTP command. // FTP command.
func parseListLine(line string) (*Entry, error) { func parseListLine(line string) (*Entry, error) {
var err error
if strings.HasPrefix(line, "modify=") {
e := &Entry{}
arr := strings.Split(line, "; ")
e.Name = arr[1]
for _, field := range strings.Split(arr[0], ";") {
i := strings.Index(field, "=")
if i < 1 {
return nil, errors.New("Unsupported LIST line")
}
key := field[:i]
value := field[i+1:]
switch key {
case "modify":
e.Time, _ = time.Parse("20060102150405", value)
case "type":
switch value {
case "dir", "cdir", "pdir":
e.Type = EntryTypeFolder
case "file":
e.Type = EntryTypeFile
}
case "size":
e.Size, _ = strconv.ParseUint(value, 0, 64)
}
}
return e, nil
} else {
fields := strings.Fields(line) fields := strings.Fields(line)
if len(fields) >= 7 && fields[1] == "folder" {
e := &Entry{
Type: EntryTypeFolder,
Name: strings.Join(fields[6:], " "),
}
if err = e.setTime(fields[3:6]); err != nil {
return nil, err
}
return e, nil
}
if fields[1] == "0" {
e := &Entry{
Type: EntryTypeFile,
Name: strings.Join(fields[7:], " "),
}
if err = e.setSize(fields[2]); err != nil {
return nil, err
}
if err = e.setTime(fields[4:7]); err != nil {
return nil, err
}
return e, nil
}
if len(fields) < 9 { if len(fields) < 9 {
//panic(fmt.Sprintf("%d %v", len(fields), fields[6]))
return nil, errors.New("Unsupported LIST line") return nil, errors.New("Unsupported LIST line")
} }
@ -310,27 +372,38 @@ func parseListLine(line string) (*Entry, error) {
} }
if e.Type == EntryTypeFile { if e.Type == EntryTypeFile {
size, err := strconv.ParseUint(fields[4], 10, 0) if err = e.setSize(fields[4]); err != nil {
if err != nil {
return nil, err return nil, err
} }
e.Size = size
} }
var timeStr string
if strings.Contains(fields[7], ":") { // this year if err = e.setTime(fields[5:8]); err != nil {
thisYear, _, _ := time.Now().Date()
timeStr = fields[6] + " " + fields[5] + " " + strconv.Itoa(thisYear)[2:4] + " " + fields[7] + " GMT"
} else { // not this year
timeStr = fields[6] + " " + fields[5] + " " + fields[7][2:4] + " " + "00:00" + " GMT"
}
t, err := time.Parse("_2 Jan 06 15:04 MST", timeStr)
if err != nil {
return nil, err return nil, err
} }
e.Time = t
e.Name = strings.Join(fields[8:], " ") e.Name = strings.Join(fields[8:], " ")
return e, nil return e, nil
}
}
func (e *Entry) setSize(str string) (err error) {
e.Size, err = strconv.ParseUint(str, 10, 0)
return
}
func (e *Entry) setTime(fields []string) (err error) {
var timeStr string
if strings.Contains(fields[2], ":") { // this year
thisYear, _, _ := time.Now().Date()
timeStr = fields[1] + " " + fields[0] + " " + strconv.Itoa(thisYear)[2:4] + " " + fields[2] + " GMT"
} else { // not this year
if len(fields[2]) != 4 {
return errors.New("Invalid year format in time string")
}
timeStr = fields[1] + " " + fields[0] + " " + fields[2][2:4] + " " + "00:00" + " GMT"
}
e.Time, err = time.Parse("_2 Jan 06 15:04 MST", timeStr)
return
} }
// NameList issues an NLST FTP command. // NameList issues an NLST FTP command.

View File

@ -21,11 +21,21 @@ var listTests = []line{
{"drwxr-xr-x 3 110 1002 3 Dec 02 2009 p u b", "p u b", 0, EntryTypeFolder, time.Date(2009, time.December, 2, 0, 0, 0, 0, time.UTC)}, {"drwxr-xr-x 3 110 1002 3 Dec 02 2009 p u b", "p u b", 0, EntryTypeFolder, time.Date(2009, time.December, 2, 0, 0, 0, 0, time.UTC)},
{"-rwxr-xr-x 3 110 1002 1234567 Dec 02 2009 fileName", "fileName", 1234567, EntryTypeFile, time.Date(2009, time.December, 2, 0, 0, 0, 0, time.UTC)}, {"-rwxr-xr-x 3 110 1002 1234567 Dec 02 2009 fileName", "fileName", 1234567, EntryTypeFile, time.Date(2009, time.December, 2, 0, 0, 0, 0, time.UTC)},
{"lrwxrwxrwx 1 root other 7 Jan 25 00:17 bin -> usr/bin", "bin -> usr/bin", 0, EntryTypeLink, time.Date(thisYear, time.January, 25, 0, 17, 0, 0, time.UTC)}, {"lrwxrwxrwx 1 root other 7 Jan 25 00:17 bin -> usr/bin", "bin -> usr/bin", 0, EntryTypeLink, time.Date(thisYear, time.January, 25, 0, 17, 0, 0, time.UTC)},
// Another ls style
{"drwxr-xr-x folder 0 Aug 15 05:49 !!!-Tipp des Haus!", "!!!-Tipp des Haus!", 0, EntryTypeFolder, time.Date(thisYear, time.August, 15, 5, 49, 0, 0, time.UTC)},
{"drwxrwxrwx folder 0 Aug 11 20:32 P0RN", "P0RN", 0, EntryTypeFolder, time.Date(thisYear, time.August, 11, 20, 32, 0, 0, time.UTC)},
{"-rw-r--r-- 0 195291136 195291136 Nov 16 2006 VIDEO_TS.VOB", "VIDEO_TS.VOB", 195291136, EntryTypeFile, time.Date(2006, time.November, 16, 0, 0, 0, 0, time.UTC)},
// Microsoft's FTP servers for Windows // Microsoft's FTP servers for Windows
{"---------- 1 owner group 1803128 Jul 10 10:18 ls-lR.Z", "ls-lR.Z", 1803128, EntryTypeFile, time.Date(thisYear, time.July, 10, 10, 18, 0, 0, time.UTC)}, {"---------- 1 owner group 1803128 Jul 10 10:18 ls-lR.Z", "ls-lR.Z", 1803128, EntryTypeFile, time.Date(thisYear, time.July, 10, 10, 18, 0, 0, time.UTC)},
{"d--------- 1 owner group 0 May 9 19:45 Softlib", "Softlib", 0, EntryTypeFolder, time.Date(thisYear, time.May, 9, 19, 45, 0, 0, time.UTC)}, {"d--------- 1 owner group 0 May 9 19:45 Softlib", "Softlib", 0, EntryTypeFolder, time.Date(thisYear, time.May, 9, 19, 45, 0, 0, time.UTC)},
// WFTPD for MSDOS // WFTPD for MSDOS
{"-rwxrwxrwx 1 noone nogroup 322 Aug 19 1996 message.ftp", "message.ftp", 322, EntryTypeFile, time.Date(1996, time.August, 19, 0, 0, 0, 0, time.UTC)}, {"-rwxrwxrwx 1 noone nogroup 322 Aug 19 1996 message.ftp", "message.ftp", 322, EntryTypeFile, time.Date(1996, time.August, 19, 0, 0, 0, 0, time.UTC)},
// Some other
{"modify=20150813224845;perm=fle;type=cdir;unique=119FBB87U4;UNIX.group=0;UNIX.mode=0755;UNIX.owner=0; .", ".", 0, EntryTypeFolder, time.Date(2015, time.August, 13, 22, 48, 45, 0, time.UTC)},
{"modify=20150813224845;perm=fle;type=pdir;unique=119FBB87U4;UNIX.group=0;UNIX.mode=0755;UNIX.owner=0; ..", "..", 0, EntryTypeFolder, time.Date(2015, time.August, 13, 22, 48, 45, 0, time.UTC)},
{"modify=20150806235817;perm=fle;type=dir;unique=1B20F360U4;UNIX.group=0;UNIX.mode=0755;UNIX.owner=0; movies", "movies", 0, EntryTypeFolder, time.Date(2015, time.August, 6, 23, 58, 17, 0, time.UTC)},
{"modify=20150814172949;perm=flcdmpe;type=dir;unique=85A0C168U4;UNIX.group=0;UNIX.mode=0777;UNIX.owner=0; _upload", "_upload", 0, EntryTypeFolder, time.Date(2015, time.August, 14, 17, 29, 49, 0, time.UTC)},
{"modify=20150813175250;perm=adfr;size=951;type=file;unique=119FBB87UE;UNIX.group=0;UNIX.mode=0644;UNIX.owner=0; welcome.msg", "welcome.msg", 951, EntryTypeFile, time.Date(2015, time.August, 13, 17, 52, 50, 0, time.UTC)},
} }
// Not supported, at least we should properly return failure // Not supported, at least we should properly return failure