forked from eyedeekay/reseed-tools
/
zip.go
61 lines (50 loc) · 1.14 KB
/
zip.go
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package reseed
import (
"archive/zip"
"bytes"
"io/ioutil"
)
func zipSeeds(seeds []routerInfo) ([]byte, error) {
// Create a buffer to write our archive to.
buf := new(bytes.Buffer)
// Create a new zip archive.
zipWriter := zip.NewWriter(buf)
// Add some files to the archive.
for _, file := range seeds {
fileHeader := &zip.FileHeader{Name: file.Name, Method: zip.Deflate}
fileHeader.SetModTime(file.ModTime)
zipFile, err := zipWriter.CreateHeader(fileHeader)
if err != nil {
return nil, err
}
_, err = zipFile.Write(file.Data)
if err != nil {
return nil, err
}
}
if err := zipWriter.Close(); err != nil {
return nil, err
}
return buf.Bytes(), nil
}
func uzipSeeds(c []byte) ([]routerInfo, error) {
input := bytes.NewReader(c)
zipReader, err := zip.NewReader(input, int64(len(c)))
if nil != err {
return nil, err
}
var seeds []routerInfo
for _, f := range zipReader.File {
rc, err := f.Open()
if err != nil {
return nil, err
}
data, err := ioutil.ReadAll(rc)
rc.Close()
if nil != err {
return nil, err
}
seeds = append(seeds, routerInfo{Name: f.Name, Data: data})
}
return seeds, nil
}