func metricsRequestAuthenticate(req *http.Request) (*xjwt.MapClaims, []string, bool, error) {
	token, err := jwtreq.AuthorizationHeaderExtractor.ExtractToken(req)
	if err != nil {
		if err == jwtreq.ErrNoTokenInRequest {
			return nil, nil, false, errNoAuthToken
		}
		return nil, nil, false, err
	}
	claims := xjwt.NewMapClaims()
	if err := xjwt.ParseWithClaims(token, claims, func(claims *xjwt.MapClaims) ([]byte, error) {

		NumVersions:      fi.NumVersions,
		SuccessorModTime: fi.SuccessorModTime,
		CacheControl:     fi.Metadata["cache-control"],
	}

	if exp, ok := fi.Metadata["expires"]; ok {
		if t, err := amztime.ParseHeader(exp); err == nil {
			objInfo.Expires = t.UTC()
		}
	}

	// Extract etag from metadata.
	objInfo.ETag = extractETag(fi.Metadata)

	// Add user tags to the object info

	locationConstraint := createBucketLocationConfiguration{}
	err := xmlDecoder(r.Body, &locationConstraint, r.ContentLength)
	if err != nil && r.ContentLength != 0 {
		internalLogOnceIf(GlobalContext, err, "location-constraint-xml-parsing")
		// Treat all other failures as XML parsing errors.
		return "", ErrMalformedXML
	} // else for both err as nil or io.EOF
	location = locationConstraint.Location
	if location == "" {

		xtables := filepath.Join(t.TempDir(), "xtables.lock")
		_, err := os.Create(xtables)
		assert.NoError(t, err)
		_ = os.Mkdir("/run", 0o777)
		_ = mountns.BindMount(xtables, "/run/xtables.lock")
	})
}

func iptablesSave(t *testing.T) string {
	res, err := exec.Command("iptables-save").CombinedOutput()
	assert.NoError(t, err)
	return string(res)

	}
	z, err := zip.NewReader(bytes.NewReader(f), int64(len(f)))
	if err != nil {
		t.Fatal(err)
	}
	for _, f := range z.File {
		if f.Name == file {
			rc, err := f.Open()
			if err != nil {
				t.Fatal(err)
			}
			defer rc.Close()
			b, err := io.ReadAll(rc)
			if err != nil {
				t.Fatal(err)
			}
			return b
		}
	}
	t.Fatal(file, "not found in testdata/testdata.zip")
	return nil

	// since the specified time otherwise return 412 (precondition failed).
	ifModifiedSinceHeader := r.Header.Get(xhttp.AmzCopySourceIfModifiedSince)
	if ifModifiedSinceHeader != "" {
		if givenTime, err := amztime.ParseHeader(ifModifiedSinceHeader); err == nil {
			if !ifModifiedSince(objInfo.ModTime, givenTime) {
				// If the object is not modified since the specified time.
				writeHeaders()

func (w *Wrapper) GetEndpointsConfigDump() (*admin.EndpointsConfigDump, error) {
	endpointsDumpAny, err := w.getSection(endpoints)
	if err != nil {
		return nil, nil
	}
	endpointsDump := &admin.EndpointsConfigDump{}
	err = endpointsDumpAny.UnmarshalTo(endpointsDump)
	if err != nil {
		return nil, err
	}
	return endpointsDump, nil

		testCase := testCase
		t.Run("", func(t *testing.T) {
			tmpfile, err := os.CreateTemp("", "testfile")
			if err != nil {
				t.Error(err)
			}
			tmpfile.WriteString(testCase.content)
			tmpfile.Sync()
			tmpfile.Close()

			value, err := readFromSecret(tmpfile.Name())
			if err != nil && !testCase.expectedErr {
				t.Error(err)
			}
			if err == nil && testCase.expectedErr {

				}
				return err
			}

			bucketsInfo[index] = BucketInfo{Name: bucket, Created: volInfo.Created}
			return nil
		}, index)
	}

	errs := g.Wait()
	if err := reduceReadQuorumErrs(ctx, errs, bucketOpIgnoredErrs, (len(localDrives) / 2)); err != nil {
		return BucketInfo{}, err
	}

	var bucketInfo BucketInfo
	for i, err := range errs {
		if err == nil {
			bucketInfo = bucketsInfo[i]
			break
		}

	// Make subtype to avoid recursive UnmarshalXML().
	type subReaderArgs ReaderArgs
	parsedArgs := subReaderArgs{}
	if err := d.DecodeElement(&parsedArgs, &start); err != nil {
		return err
	}

	args.unmarshaled = true
	return nil