// append a path separator if needed and escape regexp meta characters
func fileMatchRegexp(logRoot, fileMatch string) *regexp.Regexp {
if !os.IsPathSeparator(logRoot[len(logRoot)-1]) && !os.IsPathSeparator(fileMatch[0]) {
logRoot += string(os.PathSeparator)
}
return regexp.MustCompile("^" + regexp.QuoteMeta(logRoot) + fileMatch)
}
func walkLinks(path string, linksWalked *int) (string, error) {
switch dir, file := Split(path); {
case dir == "":
newpath, _, err := walkLink(file, linksWalked)
return newpath, err
case file == "":
if isDriveLetter(dir) {
return dir, nil
}
if os.IsPathSeparator(dir[len(dir)-1]) {
if isRoot(dir) {
return dir, nil
}
return walkLinks(dir[:len(dir)-1], linksWalked)
}
newpath, _, err := walkLink(dir, linksWalked)
return newpath, err
default:
newdir, err := walkLinks(dir, linksWalked)
if err != nil {
return "", err
}
newpath, islink, err := walkLink(Join(newdir, file), linksWalked)
if err != nil {
return "", err
}
if !islink {
return newpath, nil
}
if IsAbs(newpath) || os.IsPathSeparator(newpath[0]) {
return newpath, nil
}
return Join(newdir, newpath), nil
}
}
func mrtFileOpen(filename string, interval uint64) (*os.File, error) {
realname := filename
if interval != 0 {
realname = time.Now().Format(filename)
}
i := len(realname)
for i > 0 && os.IsPathSeparator(realname[i-1]) {
// skip trailing path separators
i--
}
j := i
for j > 0 && !os.IsPathSeparator(realname[j-1]) {
j--
}
if j > 0 {
if err := os.MkdirAll(realname[0:j-1], 0755); err != nil {
log.Warn(err)
return nil, err
}
}
file, err := os.OpenFile(realname, os.O_CREATE|os.O_RDWR|os.O_APPEND, 0644)
if err != nil {
log.Warn(err)
}
return file, err
}
// FindAndParseIndexYAML walks up from the directory specified by path until it
// finds a `index.yaml` or `index.yml` file. If an index YAML file
// is found, it opens and parses the file, and returns all the indexes found.
// If path is a relative path, it is converted into an absolute path
// relative to the calling test file. To determine the path of the calling test
// file, FindAndParseIndexYAML walks upto a maximum of 100 call stack frames
// looking for a file ending with `_test.go`.
//
// FindAndParseIndexYAML returns a non-nil error if the root of the drive is
// reached without finding an index YAML file, if there was
// an error reading the found index YAML file, or if the calling test file could
// not be located in the case of a relative path argument.
func FindAndParseIndexYAML(path string) ([]*IndexDefinition, error) {
var currentDir string
if filepath.IsAbs(path) {
currentDir = path
} else {
testPath, err := getCallingTestFilePath(100)
if err != nil {
return nil, err
}
currentDir = filepath.Join(filepath.Dir(testPath), path)
}
isRoot := func(dir string) bool {
parentDir := filepath.Dir(dir)
return os.IsPathSeparator(dir[len(dir)-1]) && os.IsPathSeparator(parentDir[len(parentDir)-1])
}
for {
for _, filename := range []string{"index.yml", "index.yaml"} {
file, err := os.Open(filepath.Join(currentDir, filename))
if err == nil {
defer file.Close()
return ParseIndexYAML(file)
}
}
if isRoot(currentDir) {
return nil, fmt.Errorf("datastore: failed to find index YAML file")
}
currentDir = filepath.Dir(currentDir)
}
}
func simplifyFilePath(path string) string {
pathLen := len(path)
if strings.HasPrefix(path, goroot) && pathLen > len(goroot) {
return path[len(goroot):]
}
for _, tmpPath := range sourcePaths {
var check string
if len(tmpPath) > 1 && os.IsPathSeparator(tmpPath[0]) {
check = tmpPath[1:]
} else {
check = tmpPath
}
if strings.HasPrefix(path, check) && pathLen > len(check) {
var src, pkg string
src = path + "src" + string(os.PathSeparator)
pkg = path + "pkg" + string(os.PathSeparator)
if strings.HasPrefix(path, src) && pathLen > len(src) {
return path[len(src):]
} else if strings.HasPrefix(path, pkg) && pathLen > len(pkg) {
return path[len(pkg):]
} else {
return path[len(check):]
}
}
}
if pathLen > 1 && os.IsPathSeparator(path[0]) {
path = path[1:]
}
return path
}
func (c *Client) MkdirAll(path string) error {
dir, err := c.Stat(path)
if err == nil {
if dir.IsDir() {
return nil
}
}
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 = c.MkdirAll(path[0 : j-1])
if err != nil {
return err
}
}
err = c.Mkdir(path)
if err != nil {
return err
}
return nil
}
func mkdirAll(path string, hdr Metadata) (stack []string, topMTime time.Time, err error) {
// Following code derives from the golang standard library, so you can consider it BSDish if you like.
// Our changes are licensed under Apache for the sake of overall license simplicity of the project.
// Ref: https://github.com/golang/go/blob/883bc6ed0ea815293fe6309d66f967ea60630e87/src/os/path.go#L12
// Fast path: if we can tell whether path is a directory or file, stop with success or error.
dir, err := os.Stat(path)
if err == nil {
if dir.IsDir() {
return nil, dir.ModTime(), nil
}
return nil, dir.ModTime(), &os.PathError{"mkdir", path, syscall.ENOTDIR}
}
// 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
stack, topMTime, err = mkdirAll(path[0:j-1], hdr)
if err != nil {
return stack, topMTime, err
}
}
// Parent now exists; invoke Mkdir and use its result.
err = os.Mkdir(path, 0755)
if err != nil {
// Handle arguments like "foo/." by
// double-checking that directory doesn't exist.
dir, err1 := os.Lstat(path)
if err1 == nil && dir.IsDir() {
return stack, topMTime, nil
}
return stack, topMTime, err
}
stack = append(stack, path)
// Apply standardizations.
if err := os.Lchown(path, hdr.Uid, hdr.Gid); err != nil {
return stack, topMTime, err
}
if err := os.Chmod(path, hdr.FileMode()); err != nil {
return stack, topMTime, err
}
// Except for time, because as usual with dirs, that requires walking backwards again at the end.
// That'll be done one function out.
return stack, topMTime, nil
}
func walkSymlinks(path string) (string, error) {
const maxIter = 255
originalPath := path
// consume path by taking each frontmost path element,
// expanding it if it's a symlink, and appending it to b
var b bytes.Buffer
for n := 0; path != ""; n++ {
if n > maxIter {
return "", errors.New("EvalSymlinks: too many links in " + originalPath)
}
// find next path component, p
var i = -1
for j, c := range path {
if c < utf8RuneSelf && os.IsPathSeparator(uint8(c)) {
i = j
break
}
}
var p string
if i == -1 {
p, path = path, ""
} else {
p, path = path[:i], path[i+1:]
}
if p == "" {
if b.Len() == 0 {
// must be absolute path
b.WriteRune(Separator)
}
continue
}
fi, err := os.Lstat(b.String() + p)
if err != nil {
return "", err
}
if fi.Mode()&os.ModeSymlink == 0 {
b.WriteString(p)
if path != "" || (b.Len() == 2 && len(p) == 2 && p[1] == ':') {
b.WriteRune(Separator)
}
continue
}
// it's a symlink, put it at the front of path
dest, err := os.Readlink(b.String() + p)
if err != nil {
return "", err
}
if IsAbs(dest) || os.IsPathSeparator(dest[0]) {
b.Reset()
}
path = dest + string(Separator) + path
}
return Clean(b.String()), nil
}
// mkdirall is a custom version of os.MkdirAll modified for use on Windows
// so that it is both volume path aware, and can create a directory with
// a DACL.
func mkdirall(path string, adminAndLocalSystem bool) error {
if re := regexp.MustCompile(`^\\\\\?\\Volume{[a-z0-9-]+}$`); re.MatchString(path) {
return nil
}
// The rest of this method is largely copied from os.MkdirAll and should be kept
// as-is to ensure compatibility.
// Fast path: if we can tell whether path is a directory or file, stop with success or error.
dir, err := os.Stat(path)
if err == nil {
if dir.IsDir() {
return nil
}
return &os.PathError{
Op: "mkdir",
Path: path,
Err: syscall.ENOTDIR,
}
}
// 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 = mkdirall(path[0:j-1], false)
if err != nil {
return err
}
}
// Parent now exists; invoke os.Mkdir or mkdirWithACL and use its result.
if adminAndLocalSystem {
err = mkdirWithACL(path)
} else {
err = os.Mkdir(path, 0)
}
if err != nil {
// Handle arguments like "foo/." by
// double-checking that directory doesn't exist.
dir, err1 := os.Lstat(path)
if err1 == nil && dir.IsDir() {
return nil
}
return err
}
return nil
}
// Like os.MkdirAll but new components created have the given UID and GID.
func mkdirAllWithOwner(absPath string, perm os.FileMode, uid, gid int) error {
// From os/path.go.
// Fast path: if we can tell whether path is a directory or file, stop with success or error.
dir, err := os.Stat(absPath)
if err == nil {
if dir.IsDir() {
return nil
}
return &os.PathError{"mkdir", absPath, syscall.ENOTDIR}
}
// Slow path: make sure parent exists and then call Mkdir for path.
i := len(absPath)
for i > 0 && os.IsPathSeparator(absPath[i-1]) { // Skip trailing path separator.
i--
}
j := i
for j > 0 && !os.IsPathSeparator(absPath[j-1]) { // Scan backward over element.
j--
}
if j > 1 {
// Create parent
err = mkdirAllWithOwner(absPath[0:j-1], perm, uid, gid)
if err != nil {
return err
}
}
// Parent now exists; invoke Mkdir and use its result.
err = os.Mkdir(absPath, perm)
if err != nil {
// Handle arguments like "foo/." by double-checking that directory
// doesn't exist.
dir, err1 := os.Lstat(absPath)
if err1 == nil && dir.IsDir() {
return nil
}
return err
}
if uid >= 0 || gid >= 0 {
if uid < 0 {
uid = os.Getuid()
}
if gid < 0 {
gid = os.Getgid()
}
err = os.Lchown(absPath, uid, gid) // ignore errors in case we aren't root
log.Errore(err, "cannot chown ", absPath)
}
return nil
}
/**
* Remove a string's leading and trailing slashes
*
* @param *string
*/
func removeSlashes(s *string) {
for {
if os.IsPathSeparator(((*s)[len(*s)-1 : len(*s)])[0]) {
*s = (*s)[0 : len(*s)-1]
} else if os.IsPathSeparator(((*s)[0:1])[0]) {
*s = (*s)[1:len(*s)]
} else {
break
}
}
}
// isRoot returns true if path is root of file system
// (`/` on unix and `/`, `\`, `c:\` or `c:/` on windows).
func isRoot(path string) bool {
if runtime.GOOS != "windows" {
return path == "/"
}
switch len(path) {
case 1:
return os.IsPathSeparator(path[0])
case 3:
return path[1] == ':' && os.IsPathSeparator(path[2])
}
return false
}
// GetParentDir calculate the parent dir of param path, no matter whether path exists.
func GetParentDir(path string) string {
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--
}
return path[0 : j-1]
}
func MkdirAllOwner(path string, perm os.FileMode, uid int, gid int) error {
// This function is a slightly modified version of MkdirAll from the Go standard library.
// https://golang.org/src/os/path.go?s=488:535#L9
// Fast path: if we can tell whether path is a directory or file, stop with success or error.
dir, err := os.Stat(path)
if err == nil {
if dir.IsDir() {
return nil
}
return fmt.Errorf("path exists but isn't a directory")
}
// 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 = MkdirAllOwner(path[0:j-1], perm, uid, gid)
if err != nil {
return err
}
}
// Parent now exists; invoke Mkdir and use its result.
err = os.Mkdir(path, perm)
err_chown := os.Chown(path, uid, gid)
if err_chown != nil {
return err_chown
}
if err != nil {
// Handle arguments like "foo/." by
// double-checking that directory doesn't exist.
dir, err1 := os.Lstat(path)
if err1 == nil && dir.IsDir() {
return nil
}
return err
}
return nil
}
// mkdirAll creates a directory named path,
// along with any necessary parents, and returns nil,
// or else returns an error. The permission bits perm are used
// for all directories that mkdirAll creates. If path is already
// a directory, mkdirAll does nothing and returns nil.
func mkdirAll(path string, perm os.FileMode) error {
path = preparePath(path)
// Fast path: if we can tell whether path is a directory or file, stop with success or error.
dir, err := os.Stat(path)
if err == nil {
if dir.IsDir() {
return nil
}
return &os.PathError{
Op: "mkdir",
Path: path,
Err: syscall.ENOTDIR,
}
}
// 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
parent := path[0 : j-1]
if parent != filepath.VolumeName(parent) {
err = mkdirAll(parent, perm)
if err != nil {
return err
}
}
}
// Parent now exists; invoke Mkdir and use its result.
err = os.Mkdir(path, perm)
if err != nil {
// Handle arguments like "foo/." by
// double-checking that directory doesn't exist.
dir, err1 := os.Lstat(path)
if err1 == nil && dir.IsDir() {
return nil
}
return err
}
return nil
}
func OsSeparator() string {
separator := "/"
if os.IsPathSeparator('\\') {
separator = "\\"
}
return separator
}
func trimPathSeparator(path string) string {
last := len(path) - 1
if last > 0 && os.IsPathSeparator(path[last]) {
path = path[:last]
}
return path
}
/*Example:
Both print C:\Windows\
vfp.Addbs( "C:\\Windows" )
vfp.Addbs( "C:\\Windows\\" )
*/
func Addbs(zpath string) (zret string) {
if !os.IsPathSeparator(zpath[len(zpath)-1]) {
return zpath + string(os.PathSeparator)
}
return zpath
}
func WriteTar(srcPath string, dest io.Writer) error {
absPath, err := filepath.Abs(srcPath)
if err != nil {
return err
}
tw := tar.NewWriter(dest)
defer tw.Close()
err = filepath.Walk(absPath, func(path string, info os.FileInfo, err error) error {
if err != nil {
return err
}
var relative string
if os.IsPathSeparator(srcPath[len(srcPath)-1]) {
relative, err = filepath.Rel(absPath, path)
} else {
relative, err = filepath.Rel(filepath.Dir(absPath), path)
}
relative = filepath.ToSlash(relative)
if err != nil {
return err
}
return addTarFile(path, relative, tw)
})
return err
}
// Split splits path immediately following the final Separator,
// partitioning it into a directory and a file name components.
// If there are no separators in path, Split returns an empty base
// and file set to path.
func Split(path string) (dir, file string) {
i := len(path) - 1
for i >= 0 && !os.IsPathSeparator(path[i]) {
i--
}
return path[:i+1], path[i+1:]
}
// Dir returns all but the last element of path, typically the path's directory.
// Trailing path separators are removed before processing.
// If the path is empty, Dir returns ".".
// If the path consists entirely of separators, Dir returns a single separator.
// The returned path does not end in a separator unless it is the root directory.
func Dir(path string) string {
vol := VolumeName(path)
i := len(path) - 1
for i >= len(vol) && !os.IsPathSeparator(path[i]) {
i--
}
dir := Clean(path[len(vol) : i+1])
last := len(dir) - 1
if last > 0 && os.IsPathSeparator(dir[last]) {
dir = dir[:last]
}
if dir == "" {
dir = "."
}
return vol + dir
}
// toOutputDir returns the file name relocated, if required, to outputDir.
// Simple implementation to avoid pulling in path/filepath.
func toOutputDir(path string) string {
if *outputDir == "" || path == "" {
return path
}
if runtime.GOOS == "windows" {
// On Windows, it's clumsy, but we can be almost always correct
// by just looking for a drive letter and a colon.
// Absolute paths always have a drive letter (ignoring UNC).
// Problem: if path == "C:A" and outputdir == "C:\Go" it's unclear
// what to do, but even then path/filepath doesn't help.
// TODO: Worth doing better? Probably not, because we're here only
// under the management of go test.
if len(path) >= 2 {
letter, colon := path[0], path[1]
if ('a' <= letter && letter <= 'z' || 'A' <= letter && letter <= 'Z') && colon == ':' {
// If path starts with a drive letter we're stuck with it regardless.
return path
}
}
}
if os.IsPathSeparator(path[0]) {
return path
}
return fmt.Sprintf("%s%c%s", *outputDir, os.PathSeparator, path)
}
// Ext returns the file name extension used by path.
// The extension is the suffix beginning at the final dot
// in the final element of path; it is empty if there is
// no dot.
func Ext(path string) string {
for i := len(path) - 1; i >= 0 && !os.IsPathSeparator(path[i]); i-- {
if path[i] == '.' {
return path[i:]
}
}
return ""
}
// Split splits path immediately following the final Separator,
// separating it into a directory and file name component.
// If there is no Separator in path, Split returns an empty dir
// and file set to path.
// The returned values have the property that path = dir+file.
func Split(path string) (dir, file string) {
vol := VolumeName(path)
i := len(path) - 1
for i >= len(vol) && !os.IsPathSeparator(path[i]) {
i--
}
return path[:i+1], path[i+1:]
}
func checkStringForPathSeparator(s string, c *rune) bool {
for _, *c = range s {
if os.IsPathSeparator(uint8(*c)) {
return true
}
}
return false
}
// Ext it's modified function standart "path/filepath" pkg
func Ext(fullname string) (name, ext string) {
for i := len(fullname) - 1; i >= 0 && !os.IsPathSeparator(fullname[i]); i-- {
if fullname[i] == '.' {
return fullname[:i], fullname[i:]
}
}
return "", ""
}
// mkdirAll creates a directory named path, along with any necessary parents,
// and returns nil, or else returns an error. The permission bits perm are used
// for all directories that mkdirAll creates. Also given uid and gid are set. If
// path is already a directory, mkdirAll does nothing and returns nil.
//
// This function is a copy of os.MkdirAll with uid and gid setting.
//
// TODO: this version should check and ensure that given perm is set for all
// path parts
func mkdirAll(path string, perm os.FileMode, uid uint, gid uint) error { // {{{
// If path exists, stop with success or error.
dir, err := os.Stat(path)
if err == nil {
if dir.IsDir() {
return nil
}
return &os.PathError{"mkdir", path, syscall.ENOTDIR}
}
// Doesn't already exist; make sure parent does.
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 = mkdirAll(path[0:j-1], perm, uid, gid)
if err != nil {
return err
}
}
// Now parent exists, try to create.
err = os.Mkdir(path, perm)
if err != nil {
// Handle arguments like "foo/." by
// double-checking that directory doesn't exist.
dir, err1 := os.Lstat(path)
if err1 == nil && dir.IsDir() {
return nil
}
return err
}
// Change user and group id
if err1 := os.Chown(path, int(uid), int(gid)); err1 != nil {
return err1
}
return nil
} // }}}
// SplitExt returns pair of file name and extension.
//
// It will truncated a dot of extension.
// e.g. When the given path is "path/to/image.png", SplitExt returns ("path/to/image", "png").
func SplitExt(path string) (name, ext string) {
for i := len(path) - 1; i >= 0 && !os.IsPathSeparator(path[i]); i-- {
if path[i] == '.' {
return path[:i], path[i+1:]
}
}
return path, ""
}
//编辑器管理
func (c *Kindeditor) Manager(upload *models.Upload) revel.Result {
file := make(map[string]interface{})
//判断是否是系统的分隔符
separator := "/"
if os.IsPathSeparator('\\') {
separator = "\\"
} else {
separator = "/"
}
basepath, _ := filepath.Abs("")
config_file := (revel.BasePath + "/conf/config.conf")
config_file = strings.Replace(config_file, "/", separator, -1)
config_conf, _ := config.ReadDefault(config_file)
//上传文件目录
upload_dir, _ := config_conf.String("upload", "upload.dir")
//允许上传的后缀名
filesuffix, _ := config_conf.String("upload", "upload.filesuffix")
revel.WARN.Println(filesuffix)
//前台网站地址
sitedomain, _ := config_conf.String("website", "website.sitedomain")
//根目录路径，可以指定绝对路径，比如 /var/www/attached/
root_path := fmt.Sprintf("%s/www/%s/", basepath, upload_dir)
//根目录URL，可以指定绝对路径，比如 http://www.yoursite.com/attached/
root_url := sitedomain + upload_dir
//目录名
dir_name := c.Params.Get("dir")
if dir_name != "" {
root_path += dir_name + "/"
root_url += dir_name + "/"
}
//相对于根目录的上一级目录
file["moveup_dir_path"] = ""
//相对于根目录的当前目录
file["current_dir_path"] = ""
//当前目录的URL
file["current_url"] = ""
//文件数
file["total_count"] = 10
//文件列表数组
file["file_list"] = ""
return c.RenderJson(file)
}
// Dir returns all but the last element of path, typically the path's directory.
// After dropping the final element, the path is Cleaned and trailing
// slashes are removed.
// If the path is empty, Dir returns ".".
// If the path consists entirely of separators, Dir returns a single separator.
// The returned path does not end in a separator unless it is the root directory.
func Dir(path string) string {
vol := VolumeName(path)
i := len(path) - 1
for i >= len(vol) && !os.IsPathSeparator(path[i]) {
i--
}
dir := Clean(path[len(vol) : i+1])
return vol + dir
}
