/
zip.go
116 lines (93 loc) · 1.96 KB
/
zip.go
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package main
import (
"archive/zip"
"fmt"
"io"
"io/ioutil"
"log"
"os"
"path/filepath"
"strings"
)
func ZipContent(file string) []string {
var filenames []string
archive, err := zip.OpenReader(file)
if err != nil {
panic(err)
}
defer archive.Close()
for _, f := range archive.File {
if f.Name[0:1] == "." {
//hide hidden files
continue
}
filenames = append(filenames, f.Name)
}
return filenames
}
func UnzipAll(file string, dest string) {
archive, err := zip.OpenReader(file)
if err != nil {
panic(err)
}
defer archive.Close()
for _, f := range archive.File {
filePath := filepath.Join(dest, f.Name)
fmt.Println("unzipping file ", filePath)
if !strings.HasPrefix(filePath, filepath.Clean(dest)+string(os.PathSeparator)) {
fmt.Println("invalid file path")
return
}
if f.FileInfo().IsDir() {
fmt.Println("creating directory...")
os.MkdirAll(filePath, os.ModePerm)
continue
}
if err := os.MkdirAll(filepath.Dir(filePath), os.ModePerm); err != nil {
panic(err)
}
dstFile, err := os.OpenFile(filePath, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, f.Mode())
if err != nil {
panic(err)
}
defer dstFile.Close()
fileInArchive, err := f.Open()
if err != nil {
panic(err)
}
defer fileInArchive.Close()
if _, err := io.Copy(dstFile, fileInArchive); err != nil {
panic(err)
}
}
}
func ReadZipped(zipFile, file string) string {
archive, err := zip.OpenReader(zipFile)
if err != nil {
panic(err)
}
defer archive.Close()
for _, f := range archive.File {
if f.Name != file {
continue
}
fileInArchive, err := f.Open()
if err != nil {
panic(err)
}
defer fileInArchive.Close()
data, err := ioutil.ReadAll(fileInArchive)
if err != nil {
log.Fatal(err)
}
return string(data)
}
return ""
}
func main() {
files := ZipContent("example.zip")
fmt.Printf("%#v\n", files)
content := ReadZipped("example.zip", files[2])
fmt.Printf("%#v\n", content)
UnzipAll("example.zip", "output")
}