golang 生成android 签名文件

package main
import (
 "strings"
 "log"
 "os"
 "archive/zip"
 "crypto/sha1"
 "io"
 "path"
 "encoding/base64"
)
func Sha1File(f string) error {
 sha1h := sha1.New()
 file, err:= os.Open(f)
 if err != nil{
 return err
 }
 defer file.Close()
 if _, err = io.Copy(sha1h,file);err!=nil{
 return err
 }
 log.Println("sha1:", base64.StdEncoding.EncodeToString(sha1h.Sum(nil)))
 return nil
}
func GenerateApkSignFile(apk_file, dic string) (err error){
 var reader *zip.ReadCloser
 if reader, err = zip.OpenReader(apk_file); err != nil{
 return
 }
 defer reader.Close()
 if err = os.MkdirAll(dic, 0755); err != nil{
 return
 }
 manifest_mf := path.Join(dic, "MANIFEST.MF")
 cert_sf := path.Join(dic, "CERT.SF")
 mm_header := "Manifest-Version: 1.0\nBuilt-By: Generated-by-ADT\nCreated-By: Android Gradle 2.2.2\n\n"
 mm_sha1 := sha1.New()
 var mm_file *os.File
 var cf_file *os.File
 if mm_file, err = os.Create(manifest_mf); err != nil{
 return
 }
 if cf_file, err = os.Create(cert_sf); err != nil{
 return
 }
 defer cf_file.Close()
 mm_file.Write([]byte(mm_header))
 mm_sha1.Write([]byte(mm_header))
 for _, file := range reader.File {
 if strings.HasPrefix(file.Name, "META-INF"){
 continue
 }
 if strings.HasSuffix(file.Name, "/"){
 continue
 }
 file_name := "Name: "+file.Name
 if len(file_name) <= 70{
 mm_file.Write([]byte(file_name+"\n"))
 mm_sha1.Write([]byte(file_name+"\n"))
 }else{
 mm_file.Write([]byte(file_name[0:70]+"\n"))
 mm_sha1.Write([]byte(file_name[0:70]+"\n"))
 mm_file.Write([]byte(" "+file_name[70:]+"\n"))
 mm_sha1.Write([]byte(" "+file_name[70:]+"\n"))
 }
 if rc, e := file.Open(); e != nil{
 err = e
 return
 }else{
 sha1h := sha1.New()
 if _, err = io.Copy(sha1h,rc);err!=nil{
 return
 }
 sha1_data := base64.StdEncoding.EncodeToString(sha1h.Sum(nil))
 mm_file.Write([]byte("SHA1-Digest: "+sha1_data+"\n\n"))
 mm_sha1.Write([]byte("SHA1-Digest: "+sha1_data+"\n\n"))
 rc.Close()
 }
 }
 mm_file.Close()
 mm_file, err = os.Open(manifest_mf)
 mm_file.Seek(int64(len(mm_header)), os.SEEK_SET)
 cf_header := "Signature-Version: 1.0\nX-Android-APK-Signed: 2\nSHA1-Digest-Manifest: "+base64.StdEncoding.EncodeToString(mm_sha1.Sum(nil))+"\nCreated-By: 1.0 (Android)\n\n"
 cf_file.Write([]byte(cf_header))
 io.Copy(cf_file, mm_file)
 mm_file.Close()
 return
}
func main() {
 err := GenerateApkSignFile(`C:\Users\Donggui\Documents\encrypted.apk`, `C:\Users\Donggui\Desktop\`)
 if err != nil{
 log.Println(err)
 }
}

本文来自:开源中国博客

感谢作者:zdglf

查看原文:golang 生成android 签名文件

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