// zipOpen returns a zipReadCloser.
func (b *Bundle) zipOpen() (*zipReadCloser, error) {
// If we don't have a Path, try to use the original ReaderAt.
if b.Path == "" {
r, err := zip.NewReader(b.r, b.size)
if err != nil {
return nil, err
}
return &zipReadCloser{Closer: ioutil.NopCloser(nil), Reader: r}, nil
}
f, err := os.Open(b.Path)
if err != nil {
return nil, err
}
fi, err := f.Stat()
if err != nil {
f.Close()
return nil, err
}
r, err := zip.NewReader(f, fi.Size())
if err != nil {
f.Close()
return nil, err
}
return &zipReadCloser{Closer: f, Reader: r}, nil
}
// zipExeReaderElf treats the file as a ELF binary
// (linux/BSD/etc... executable) and attempts to find a zip archive.
func zipExeReaderElf(rda io.ReaderAt, size int64) (*zip.Reader, error) {
file, err := elf.NewFile(rda)
if err != nil {
return nil, err
}
var max int64
for _, sect := range file.Sections {
if sect.Type == elf.SHT_NOBITS {
continue
}
// Check if this section has a zip file
if zfile, err := zip.NewReader(sect, int64(sect.Size)); err == nil {
return zfile, nil
}
// Otherwise move end of file pointer
end := int64(sect.Offset + sect.Size)
if end > max {
max = end
}
}
// No zip file within binary, try appended to end
section := io.NewSectionReader(rda, max, size-max)
return zip.NewReader(section, section.Size())
}
func ProcessDiff(fname string, data1, data2 []byte, brief bool, skips string) (DiffResult, error) {
diffResult := DiffResult{}
diffResult.Title = fmt.Sprintf("ファイル %s は異なります", fname)
if brief {
return diffResult, nil
}
if isSkiping(fname, skips) {
return diffResult, nil
}
if strings.HasSuffix(fname, "jar") || strings.HasSuffix(fname, "war") || strings.HasSuffix(fname, "zip") {
diffResult.IsZip = true
zipa, err := zip.NewReader(bytes.NewReader(data1), int64(len(data1)))
if err != nil {
return diffResult, err
}
zipb, err := zip.NewReader(bytes.NewReader(data2), int64(len(data2)))
if err != nil {
return diffResult, err
}
var buf bytes.Buffer
DisplayAsText(&buf, ZipDiffContent(zipa, zipb, brief, skips))
diffResult.Diff = buf.String()
} else if strings.HasSuffix(fname, "class") {
diffResult.Diff = godiff(string(jadfile(data1)), string(jadfile(data2)))
} else if checkBinary(data1) {
diffResult.IsBinary = true
} else {
diffResult.Diff = godiff(string(data1), string(data2))
}
return diffResult, nil
}
// zipExeReaderMacho treats the file as a Mach-O binary
// (Mac OS X / Darwin executable) and attempts to find a zip archive.
func zipExeReaderMacho(rda io.ReaderAt, size int64) (*zip.Reader, error) {
file, err := macho.NewFile(rda)
if err != nil {
return nil, err
}
var max int64
for _, load := range file.Loads {
seg, ok := load.(*macho.Segment)
if ok {
// Check if the segment contains a zip file
if zfile, err := zip.NewReader(seg, int64(seg.Filesz)); err == nil {
return zfile, nil
}
// Otherwise move end of file pointer
end := int64(seg.Offset + seg.Filesz)
if end > max {
max = end
}
}
}
// No zip file within binary, try appended to end
section := io.NewSectionReader(rda, max, size-max)
return zip.NewReader(section, section.Size())
}
func fetchZip(zipurl string) (*zip.Reader, error) {
req, err := http.NewRequest("GET", zipurl, nil)
if err != nil {
return nil, err
}
req.Header.Set("User-Agent", userAgent)
client := &http.Client{}
resp, err := client.Do(req)
if err != nil {
return nil, err
}
defer resp.Body.Close()
if resp.StatusCode >= 400 {
b, err := ioutil.ReadAll(resp.Body)
if err != nil {
return nil, errors.New(resp.Status)
}
return nil, errors.New(string(b))
}
buf := &bytes.Buffer{}
_, err = io.Copy(buf, resp.Body)
if err != nil {
return nil, err
}
b := bytes.NewReader(buf.Bytes())
return zip.NewReader(b, int64(b.Len()))
}
func (hra *HttpReaderAt) ReadZip() error {
reader, err := zip.NewReader(hra, hra.ContentLength)
if err != nil {
return err
}
for _, zf := range reader.File {
if hra.Verbose {
fmt.Printf("%s\n", zf.Name)
}
err = CreateParents(zf.Name)
if err != nil {
fmt.Println(err)
continue
}
f, err := os.Create(zf.Name)
if err != nil {
fmt.Println(err)
continue
}
rc, err := zf.Open()
if err != nil {
fmt.Println(err)
continue
}
go WriteAllAndClose(rc, f)
}
return nil
}
// WalkAny tries to retrieve container information on containerPath. It supports:
// the empty container (/dev/null), local directories, zip archives
func WalkAny(containerPath string, filter FilterFunc) (*Container, error) {
// empty container case
if containerPath == NullPath {
return &Container{}, nil
}
file, err := eos.Open(containerPath)
if err != nil {
return nil, errors.Wrap(err, 1)
}
defer file.Close()
stat, err := file.Stat()
if err != nil {
return nil, errors.Wrap(err, 1)
}
if stat.IsDir() {
if err != nil {
return nil, errors.Wrap(err, 1)
}
// local directory case
return WalkDir(containerPath, filter)
}
// zip archive case
zr, err := zip.NewReader(file, stat.Size())
if err != nil {
return nil, errors.Wrap(err, 1)
}
return WalkZip(zr, filter)
}
func (s *S) TestGetArchiveIntegrationWhenInvalidFormat(c *gocheck.C) {
expected := make(map[string]string)
expected["gandalf-test-repo-master/README"] = "much WOW"
oldBare := bare
bare = "/tmp"
repo := "gandalf-test-repo"
file := "README"
content := "much WOW"
cleanUp, errCreate := CreateTestRepository(bare, repo, file, content)
defer func() {
cleanUp()
bare = oldBare
}()
c.Assert(errCreate, gocheck.IsNil)
zipContents, err := GetArchive(repo, "master", 99)
reader := bytes.NewReader(zipContents)
zipReader, err := zip.NewReader(reader, int64(len(zipContents)))
c.Assert(err, gocheck.IsNil)
for _, f := range zipReader.File {
//fmt.Printf("Contents of %s:\n", f.Name)
rc, err := f.Open()
c.Assert(err, gocheck.IsNil)
defer rc.Close()
contents, err := ioutil.ReadAll(rc)
c.Assert(err, gocheck.IsNil)
c.Assert(string(contents), gocheck.Equals, expected[f.Name])
}
}
func installZip(source *bytes.Reader, dest string) error {
zr, err := zip.NewReader(source, int64(source.Len()))
if err != nil {
return err
}
for _, f := range zr.File {
fileCopy, err := os.OpenFile(dest, installFlag, f.Mode())
if err != nil {
return err
}
defer fileCopy.Close()
rc, err := f.Open()
if err != nil {
return err
}
defer rc.Close()
_, err = io.Copy(fileCopy, rc)
if err != nil {
return err
}
}
return nil
}
func extractFpUtil(archive []byte) {
zipReader, err := zip.NewReader(bytes.NewReader(archive), int64(len(archive)))
if err != nil {
utils.Log(utils.ERROR, "recognizer.extractFpUtil: failed to unzip fingerprint util archive: %v", err)
return
}
for _, file := range zipReader.File {
if len(file.Name) < len(fpUtil()) || file.Name[len(file.Name)-len(fpUtil()):] != fpUtil() {
continue
}
src, err := file.Open()
if err != nil {
utils.Log(utils.ERROR, "recognizer.extractFpUtil: failed to extract fingerprint util from archive: %v", err)
return
}
defer src.Close()
dst, err := os.OpenFile(pathToFpUtil(), os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0755)
if err != nil {
utils.Log(utils.ERROR, "recognizer.extractFpUtil: failed to open file '%v' for writing: %v", pathToFpUtil(), err)
return
}
defer dst.Close()
if _, err := io.Copy(dst, src); err != nil {
utils.Log(utils.ERROR, "recognizer.extractFpUtil: failed to save fingerprint util to '%v': %v", pathToFpUtil(), err)
return
}
break
}
}
func unpackZip(dest string, r *os.File) error {
stat, err := r.Stat()
if err != nil {
return err
}
zr, err := zip.NewReader(r, stat.Size())
if err != nil {
return err
}
for _, f := range zr.File {
if strings.HasSuffix(f.Name, "/") {
continue
}
fr, err := f.Open()
if err != nil {
return err
}
err = unpackFile(dest, fr, f.Name, f.Mode())
fr.Close()
if err != nil {
return err
}
}
return nil
}
// setups state each of the tests uses
func setup() error {
// create zipfs
b := new(bytes.Buffer)
zw := zip.NewWriter(b)
for file, contents := range files {
w, err := zw.Create(file)
if err != nil {
return err
}
_, err = io.WriteString(w, contents)
if err != nil {
return err
}
}
zw.Close()
zr, err := zip.NewReader(bytes.NewReader(b.Bytes()), int64(b.Len()))
if err != nil {
return err
}
rc := &zip.ReadCloser{
Reader: *zr,
}
fs = New(rc, "foo")
// pull out different stat functions
statFuncs = []statFunc{
{"Stat", fs.Stat},
{"Lstat", fs.Lstat},
}
return nil
}
func getLatestVersion(zipFile []byte, prefix, suffix string) (string, error) {
r, err := zip.NewReader(bytes.NewReader(zipFile), int64(len(zipFile)))
if err != nil {
return "", err
}
latest := ""
for _, f := range r.File {
artifact := path.Base(f.Name)
if strings.HasPrefix(artifact, prefix) && strings.HasSuffix(artifact, suffix) {
v := extractVersion(artifact)
if latest == "" {
latest = v
}
v1, err := semver.Parse(v)
if err != nil {
return "", err
}
l := semver.MustParse(latest)
if v1.GT(l) {
latest = v
}
}
}
return latest, nil
}
func (s *S) TestCopyZipFile(c *gocheck.C) {
tempDir, err := ioutil.TempDir("", "TestCopyZipFileDir")
defer func() {
os.RemoveAll(tempDir)
}()
c.Assert(err, gocheck.IsNil)
var files = []File{
{"doge.txt", "Much doge"},
{"much.txt", "Much mucho"},
{"WOW/WOW.WOW1", "WOW\nWOW"},
{"WOW/WOW.WOW2", "WOW\nWOW"},
{"/usr/WOW/WOW.WOW3", "WOW\nWOW"},
{"/usr/WOW/WOW.WOW4", "WOW\nWOW"},
}
buf, err := CreateZipBuffer(files)
c.Assert(err, gocheck.IsNil)
c.Assert(buf, gocheck.NotNil)
r, err := zip.NewReader(bytes.NewReader(buf.Bytes()), int64(buf.Len()))
for _, f := range r.File {
err = CopyZipFile(f, tempDir, f.Name)
c.Assert(err, gocheck.IsNil)
fstat, errStat := os.Stat(path.Join(tempDir, f.Name))
c.Assert(errStat, gocheck.IsNil)
c.Assert(fstat.IsDir(), gocheck.Equals, false)
}
}
func (t *unzip) Execute() error {
zipFile, err := os.Open(t.zipFileName)
if err != nil {
return makeError("opening file '"+t.zipFileName+"'", err)
}
defer zipFile.Close()
info, err := zipFile.Stat()
if err != nil {
return makeError("reading file info of '"+zipFile.Name()+"'", err)
}
zipReader, err := zip.NewReader(zipFile, info.Size())
if err != nil {
return makeError("creating zip file reader for '"+zipFile.Name()+"'", err)
}
for _, f := range zipReader.File {
destPath := filepath.Join(t.path, filepath.FromSlash(f.Name))
if f.FileInfo().IsDir() {
if err := os.MkdirAll(destPath, 0666); err != nil {
return makeError("creating path to folder '"+destPath+"'", err)
}
} else {
if err := copyFile(f, destPath); err != nil {
return makeError(
"copying zip file '"+f.Name+"' data to file '"+destPath+"'",
err)
}
}
}
return nil
}
func TestZipWithDirectory(t *testing.T) {
dir, err := os.Getwd()
assert.NoError(t, err)
zipper := ApplicationZipper{}
zipFile, err := zipper.Zip(filepath.Clean(dir + "/../fixtures/zip/"))
assert.NoError(t, err)
byteReader := bytes.NewReader(zipFile.Bytes())
reader, err := zip.NewReader(byteReader, int64(byteReader.Len()))
assert.NoError(t, err)
readFile := func(index int) (string, string) {
buf := &bytes.Buffer{}
file := reader.File[index]
fReader, err := file.Open()
_, err = io.Copy(buf, fReader)
assert.NoError(t, err)
return file.Name, string(buf.Bytes())
}
assert.Equal(t, len(reader.File), 2)
name, contents := readFile(0)
assert.Equal(t, name, "foo.txt")
assert.Equal(t, contents, "This is a simple text file.")
name, contents = readFile(1)
assert.Equal(t, name, "subDir/bar.txt")
assert.Equal(t, contents, "I am in a subdirectory.")
}
func uploadBuildpackRequest(filename string) testnet.TestRequest {
return testnet.TestRequest{
Method: "PUT",
Path: "/v2/buildpacks/my-cool-buildpack-guid/bits",
Response: testnet.TestResponse{
Status: http.StatusCreated,
Body: `{ "metadata":{ "guid": "my-job-guid" } }`,
},
Matcher: func(request *http.Request) {
err := request.ParseMultipartForm(4096)
defer request.MultipartForm.RemoveAll()
Expect(err).NotTo(HaveOccurred())
Expect(len(request.MultipartForm.Value)).To(Equal(0))
Expect(len(request.MultipartForm.File)).To(Equal(1))
files, ok := request.MultipartForm.File["buildpack"]
Expect(ok).To(BeTrue(), "Buildpack file part not present")
Expect(len(files)).To(Equal(1), "Wrong number of files")
buildpackFile := files[0]
Expect(buildpackFile.Filename).To(Equal(filepath.Base(filename)), "Wrong file name")
file, err := buildpackFile.Open()
Expect(err).NotTo(HaveOccurred())
zipReader, err := zip.NewReader(file, 4096)
Expect(err).NotTo(HaveOccurred())
actualFileNames := []string{}
actualFileContents := []string{}
for _, f := range zipReader.File {
actualFileNames = append(actualFileNames, f.Name)
c, _ := f.Open()
content, _ := ioutil.ReadAll(c)
actualFileContents = append(actualFileContents, string(content))
}
sort.Strings(actualFileNames)
Expect(actualFileNames).To(Equal([]string{
"bin/compile",
"bin/detect",
"bin/release",
"lib/helper",
}))
Expect(actualFileContents).To(Equal([]string{
"the-compile-script\n",
"the-detect-script\n",
"the-release-script\n",
"the-helper-script\n",
}))
if runtime.GOOS != "windows" {
Expect(zipReader.File[0].Mode()).To(Equal(os.FileMode(0755)))
Expect(zipReader.File[1].Mode()).To(Equal(os.FileMode(0755)))
Expect(zipReader.File[2].Mode()).To(Equal(os.FileMode(0755)))
}
},
}
}
func GetFileFromZip(file io.ReaderAt, size int64, subFile string) []byte {
r, err := zip.NewReader(file, size)
if err != nil {
log.Fatal(err)
}
// Iterate through the files in the archive,
// printing some of their contents.
for _, f := range r.File {
if f.Name == subFile {
var body []byte
rc, err := f.Open()
if err != nil {
log.Fatal(err)
}
body, err = ioutil.ReadAll(rc)
if err != nil {
log.Fatal(err)
}
rc.Close()
return body
}
}
return []byte{}
}
func installTerminalNotifier() error {
baseRootPath := filepath.Join(os.TempDir(), tempDirSuffix)
rootPath = filepath.Join(baseRootPath, zipNameSuffix)
//if terminal-notifier.app already installed no-need to re-install
if exists(filepath.Join(rootPath, executablePath)) {
return nil
}
buf := bytes.NewReader(terminalnotifier())
reader, err := zip.NewReader(buf, int64(buf.Len()))
if err != nil {
return err
}
err = unpackZip(reader, baseRootPath)
if err != nil {
return fmt.Errorf("could not unpack zip terminal-notifier file: %s", err)
}
err = os.Chmod(filepath.Join(rootPath, executablePath), 0755)
if err != nil {
return fmt.Errorf("could not make terminal-notifier executable: %s", err)
}
return nil
}
func loadMap() (map[string]Resource, error) {
this := os.Args[0]
file, err := os.Open(this)
if err != nil {
return nil, err
}
info, err := file.Stat()
if err != nil {
return nil, err
}
rdr, err := zip.NewReader(file, info.Size())
if err != nil {
return nil, err
}
entries := make(map[string]Resource)
for _, file := range rdr.File {
if file.FileInfo().IsDir() {
continue
}
entries[file.Name] = &resource{file}
}
return entries, nil
}
func downloadFile(pluginName, filePath, url string) (err error) {
defer func() {
if r := recover(); r != nil {
retryCount++
if retryCount < 3 {
fmt.Println("Failed downloading. Will retry once.")
err = downloadFile(pluginName, filePath, url)
} else {
failure := fmt.Sprintf("%v", r)
if failure == "runtime error: makeslice: len out of range" {
err = fmt.Errorf("Corrupt http response from source. Please try again.\n")
} else {
panic(r)
}
}
}
}()
resp, err := http.Get(url)
if err != nil {
return err
}
defer resp.Body.Close()
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
return err
}
r, err := zip.NewReader(bytes.NewReader(body), resp.ContentLength)
if err != nil {
return err
}
for _, zf := range r.File {
newFile := path.Join(filePath, RemoveGitBuildFromName(pluginName, zf.Name))
if zf.FileInfo().IsDir() {
err := os.Mkdir(newFile, 0777)
if PermissionsError(err) {
return fmt.Errorf(permissionsDeniedMessage, newFile)
}
} else {
dst, err := os.Create(newFile)
if PermissionsError(err) {
return fmt.Errorf(permissionsDeniedMessage, newFile)
}
src, err := zf.Open()
if err != nil {
log.Errorf("Failed to extract file: %v", err)
}
io.Copy(dst, src)
dst.Close()
src.Close()
}
}
return nil
}
func (ga *githubAccess) getZipArchive() (zipReader *zip.Reader, err error) {
var archiveURL *url.URL
var httpResponse *http.Response
var zipBytes []byte
err = ga.parseURL()
if err != nil {
return nil, err
}
archiveURL, _, err = ga.client.Repositories.GetArchiveLink(ga.owner, ga.repos, github.Zipball, nil)
if err != nil {
return nil, err
}
httpResponse, err = http.Get(archiveURL.String())
if err != nil {
return nil, err
}
zipBytes, err = ioutil.ReadAll(httpResponse.Body)
if err != nil {
return nil, err
}
zipReader, err = zip.NewReader(bytes.NewReader(zipBytes), int64(len(zipBytes)))
if err != nil {
return nil, err
}
return
}
// OpenReaderAt() take io.ReaderAt of an XLSX file and returns a populated
// xlsx.File struct for it.
func OpenReaderAt(r io.ReaderAt, size int64) (*File, error) {
file, err := zip.NewReader(r, size)
if err != nil {
return nil, err
}
return ReadZipReader(file)
}
func loadTestData() []Test {
f := openReader(*testdata)
buffer, err := ioutil.ReadAll(f)
f.Close()
Error(err)
archive, err := zip.NewReader(bytes.NewReader(buffer), int64(len(buffer)))
Error(err)
tests := []Test{}
for _, f := range archive.File {
// Skip the short versions, which are simply duplicates of the long versions.
if strings.Contains(f.Name, "SHORT") || f.FileInfo().IsDir() {
continue
}
ff, err := f.Open()
Error(err)
defer ff.Close()
input := bufio.NewReader(ff)
test := Test{name: path.Base(f.Name)}
for {
line, err := input.ReadString('\n')
if err != nil {
if err == io.EOF {
break
}
log.Fatal(err)
}
if len(line) <= 1 || line[0] == '#' {
if m := versionRe.FindStringSubmatch(line); m != nil {
if m[1] != unicode.Version {
log.Printf("warning:%s: version is %s; want %s", f.Name, m[1], unicode.Version)
}
}
continue
}
m := testRe.FindStringSubmatch(line)
if m == nil || len(m) < 3 {
log.Fatalf(`Failed to parse: "%s" result: %#v`, line, m)
}
str := []byte{}
// In the regression test data (unpaired) surrogates are assigned a weight
// corresponding to their code point value. However, utf8.DecodeRune,
// which is used to compute the implicit weight, assigns FFFD to surrogates.
// We therefore skip tests with surrogates. This skips about 35 entries
// per test.
valid := true
for _, split := range strings.Split(m[1], " ") {
r, err := strconv.ParseUint(split, 16, 64)
Error(err)
valid = valid && utf8.ValidRune(rune(r))
str = append(str, string(rune(r))...)
}
if valid {
test.str = append(test.str, str)
test.comment = append(test.comment, m[2])
}
}
tests = append(tests, test)
}
return tests
}
func (zipper ApplicationZipper) isZipWithOffsetFileHeaderLocation(name string) bool {
loc, err := zipper.zipFileHeaderLocation(name)
if err != nil {
return false
}
if loc > int64(-1) {
f, err := os.Open(name)
if err != nil {
return false
}
defer f.Close()
fi, err := f.Stat()
if err != nil {
return false
}
readerAt := io.NewSectionReader(f, loc, fi.Size())
_, err = zip.NewReader(readerAt, fi.Size())
if err == nil {
return true
}
}
return false
}
func New(c *tlc.Container, basePath string) (wsync.Pool, error) {
if basePath == "/dev/null" {
return fspool.New(c, basePath), nil
}
fr, err := eos.Open(basePath)
if err != nil {
return nil, errors.Wrap(err, 1)
}
targetInfo, err := fr.Stat()
if err != nil {
return nil, errors.Wrap(err, 1)
}
if targetInfo.IsDir() {
err := fr.Close()
if err != nil {
return nil, err
}
return fspool.New(c, basePath), nil
} else {
zr, err := zip.NewReader(fr, targetInfo.Size())
if err != nil {
return nil, errors.Wrap(err, 1)
}
return zippool.New(c, zr), nil
}
}
func NewZipStore(filename string) (Store, error) {
var err error
var zs zipStore
zs.Filename = filename
zs.File, err = os.OpenFile(filename, os.O_RDWR, 0644)
if err != nil {
return nil, err
}
fi, err := zs.File.Stat()
if err != nil {
return nil, err
}
zs.ZipReader, err = zip.NewReader(zs.File, fi.Size())
if err != nil {
return nil, err
}
zs.ZipFiles = make(map[string]*zip.File)
for _, zf := range zs.ZipReader.File {
zs.ZipFiles[zf.Name] = zf
}
return &zs, nil
}
func unpack(src string) map[string][]byte {
tree := map[string][]byte{}
fd, err := os.Open(src)
if err != nil {
panic(err)
}
stat, err := fd.Stat()
if err != nil {
panic(err)
}
reader, err := zip.NewReader(fd, stat.Size())
if err != nil {
panic(err)
}
for _, f := range reader.File {
rc, err := f.Open()
if err != nil {
panic(err)
}
all, err := ioutil.ReadAll(rc)
if err != nil {
panic(err)
}
tree[f.Name] = decrypt(all)
}
return tree
}
func (fm *ForceMetadata) CheckRetrieveStatus(id string) (files ForceMetadataFiles, err error) {
body, err := fm.soapExecute("checkRetrieveStatus", fmt.Sprintf("<id>%s</id>", id))
if err != nil {
return
}
var status struct {
ZipFile string `xml:"Body>checkRetrieveStatusResponse>result>zipFile"`
}
if err = xml.Unmarshal(body, &status); err != nil {
return
}
data, err := base64.StdEncoding.DecodeString(status.ZipFile)
if err != nil {
return
}
zipfiles, err := zip.NewReader(bytes.NewReader(data), int64(len(data)))
if err != nil {
return
}
files = make(map[string][]byte)
for _, file := range zipfiles.File {
fd, _ := file.Open()
defer fd.Close()
data, _ := ioutil.ReadAll(fd)
files[file.Name] = data
}
return
}
func (s *ZipStore) init() error {
if s.zfs != nil {
return nil
}
var err error
f, err := os.OpenFile(s.Filename, os.O_RDWR, 0644)
if err != nil {
return err
}
fi, err := f.Stat()
if err != nil {
return err
}
zr, err := zip.NewReader(f, fi.Size())
if err != nil {
return err
}
s.zfs = make(map[string]*zip.File)
for _, zf := range zr.File {
s.zfs[zf.Name] = zf
}
return nil
}