172 lines
3.1 KiB
Go
172 lines
3.1 KiB
Go
/*
|
|
Package fs provides filesystem related constants and functions.
|
|
|
|
Additional information can be found in our Developer Guide:
|
|
|
|
https://github.com/photoprism/photoprism/wiki
|
|
*/
|
|
package fs
|
|
|
|
import (
|
|
"archive/zip"
|
|
"fmt"
|
|
"io"
|
|
"net/http"
|
|
"os"
|
|
"os/user"
|
|
"path/filepath"
|
|
"strings"
|
|
)
|
|
|
|
const IgnoreFile = ".ppignore"
|
|
const HiddenPath = ".photoprism"
|
|
|
|
// FileExists returns true if file exists and is not a directory.
|
|
func FileExists(fileName string) bool {
|
|
if fileName == "" {
|
|
return false
|
|
}
|
|
|
|
info, err := os.Stat(fileName)
|
|
|
|
return err == nil && !info.IsDir()
|
|
}
|
|
|
|
// PathExists returns true if path exists and is a directory or symlink.
|
|
func PathExists(path string) bool {
|
|
info, err := os.Stat(path)
|
|
|
|
if err != nil {
|
|
return false
|
|
}
|
|
|
|
m := info.Mode()
|
|
|
|
return m&os.ModeDir != 0 || m&os.ModeSymlink != 0
|
|
}
|
|
|
|
// Overwrite overwrites the file with data. Creates file if not present.
|
|
func Overwrite(fileName string, data []byte) bool {
|
|
f, err := os.Create(fileName)
|
|
if err != nil {
|
|
return false
|
|
}
|
|
|
|
_, err = f.Write(data)
|
|
return err == nil
|
|
}
|
|
|
|
// Abs returns the full path of a file or directory, "~" is replaced with home.
|
|
func Abs(name string) string {
|
|
if name == "" {
|
|
return ""
|
|
}
|
|
|
|
if len(name) > 2 && name[:2] == "~/" {
|
|
if usr, err := user.Current(); err == nil {
|
|
name = filepath.Join(usr.HomeDir, name[2:])
|
|
}
|
|
}
|
|
|
|
result, err := filepath.Abs(name)
|
|
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
return result
|
|
}
|
|
|
|
// copyToFile copies the zip file to destination
|
|
// if the zip file is a directory, a directory is created at the destination.
|
|
func copyToFile(f *zip.File, dest string) (fileName string, err error) {
|
|
rc, err := f.Open()
|
|
if err != nil {
|
|
return fileName, err
|
|
}
|
|
|
|
defer rc.Close()
|
|
|
|
// Store filename/path for returning and using later on
|
|
fileName = filepath.Join(dest, f.Name)
|
|
|
|
if f.FileInfo().IsDir() {
|
|
// Make Folder
|
|
return fileName, os.MkdirAll(fileName, os.ModePerm)
|
|
}
|
|
|
|
// Make File
|
|
var fdir string
|
|
if lastIndex := strings.LastIndex(fileName, string(os.PathSeparator)); lastIndex > -1 {
|
|
fdir = fileName[:lastIndex]
|
|
}
|
|
|
|
err = os.MkdirAll(fdir, os.ModePerm)
|
|
if err != nil {
|
|
return fileName, err
|
|
}
|
|
|
|
fd, err := os.OpenFile(fileName, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, f.Mode())
|
|
if err != nil {
|
|
return fileName, err
|
|
}
|
|
|
|
defer fd.Close()
|
|
_, err = io.Copy(fd, rc)
|
|
if err != nil {
|
|
return fileName, err
|
|
}
|
|
|
|
return fileName, nil
|
|
}
|
|
|
|
// Download downloads a file from a URL.
|
|
func Download(filepath string, url string) error {
|
|
os.MkdirAll("/tmp/photoprism", os.ModePerm)
|
|
|
|
// Create the file
|
|
out, err := os.Create(filepath)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer out.Close()
|
|
|
|
// Get the data
|
|
resp, err := http.Get(url)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer resp.Body.Close()
|
|
|
|
// Check server response
|
|
if resp.StatusCode != http.StatusOK {
|
|
return fmt.Errorf("bad status: %s", resp.Status)
|
|
}
|
|
|
|
// Writer the body to file
|
|
_, err = io.Copy(out, resp.Body)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// IsEmpty returns true if a directory is empty.
|
|
func IsEmpty(path string) bool {
|
|
f, err := os.Open(path)
|
|
|
|
if err != nil {
|
|
return false
|
|
}
|
|
|
|
defer f.Close()
|
|
|
|
_, err = f.Readdirnames(1)
|
|
|
|
if err == io.EOF {
|
|
return true
|
|
}
|
|
|
|
return false
|
|
}
|