neko/internal/utils/zip.go
2021-07-04 01:36:09 +02:00

125 lines
2.0 KiB
Go

package utils
import (
"archive/zip"
"io"
"os"
"path/filepath"
"strings"
)
func Zip(source, zipPath string) error {
archiveFile, err := os.Create(zipPath)
if err != nil {
return err
}
defer archiveFile.Close()
archive := zip.NewWriter(archiveFile)
defer archive.Close()
info, err := os.Stat(source)
if err != nil {
return nil
}
var baseDir string
if info.IsDir() {
baseDir = filepath.Base(source)
}
return filepath.Walk(source, func(path string, info os.FileInfo, err error) error {
if err != nil {
return err
}
if !info.IsDir() || !info.Mode().IsRegular() {
return nil
}
header, err := zip.FileInfoHeader(info)
if err != nil {
return err
}
if baseDir != "" {
header.Name = filepath.Join(baseDir, strings.TrimPrefix(path, source))
}
if info.IsDir() {
header.Name += "/"
} else {
header.Method = zip.Deflate
}
writer, err := archive.CreateHeader(header)
if err != nil {
return err
}
if info.IsDir() {
return nil
}
file, err := os.Open(path)
if err != nil {
return err
}
defer file.Close()
_, err = io.Copy(writer, file)
return err
})
}
func Unzip(zipPath, target string) error {
reader, err := zip.OpenReader(zipPath)
if err != nil {
return err
}
if err := os.MkdirAll(target, 0755); err != nil {
return err
}
for _, file := range reader.File {
path := filepath.Join(target, file.Name)
if file.FileInfo().IsDir() {
os.MkdirAll(path, file.Mode())
continue
}
fileReader, err := file.Open()
if err != nil {
if fileReader != nil {
fileReader.Close()
}
return err
}
targetFile, err := os.OpenFile(path, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, file.Mode())
if err != nil {
fileReader.Close()
if targetFile != nil {
targetFile.Close()
}
return err
}
if _, err := io.Copy(targetFile, fileReader); err != nil {
fileReader.Close()
targetFile.Close()
return err
}
fileReader.Close()
targetFile.Close()
}
return nil
}