HandlerFunc(s3APIMiddleware(api.ListBucketsHandler))

	// S3 browser with signature v4 adds '//' for ListBuckets request, so rather
	// than failing with UnknownAPIRequest we simply handle it for now.
	apiRouter.Methods(http.MethodGet).Path(SlashSeparator + SlashSeparator).
		HandlerFunc(s3APIMiddleware(api.ListBucketsHandler))

	// If none of the routes match add default error handler routes

		return FileInfo{
			Volume: bucket,
			Name:   e.name,
			Mode:   uint32(os.ModeDir),
		}, nil
	}
	if e.cached != nil {
		if len(e.cached.versions) == 0 {
			// This special case is needed to handle xlMeta.versions == 0
			return FileInfo{
				Volume:   bucket,
				Name:     e.name,
				Deleted:  true,
				IsLatest: true,
				ModTime:  timeSentinel1970,
			}, nil
		}

	hm := hmac.New(sha1.New, []byte(secretAccessKey))
	hm.Write([]byte(stringToSign))

	// Calculate signature.
	signature := base64.StdEncoding.EncodeToString(hm.Sum(nil))

	query := req.URL.Query()
	// Handle specially for Google Cloud Storage.
	query.Set("AWSAccessKeyId", accessKeyID)
	// Fill in Expires for presigned query.
	query.Set("Expires", strconv.FormatInt(epochExpires, 10))

	// Encode query and save.

	logger.FatalIf(updateMetacacheListingRPC.Register(gm, server.UpdateMetacacheListingHandler), "unable to register handler")

	logger.FatalIf(gm.RegisterStreamingHandler(grid.HandlerTrace, grid.StreamHandler{
		Handle:      server.TraceHandler,
		Subroute:    "",
		OutCapacity: 100000,
		InCapacity:  0,
	}), "unable to register handler")

	pool.ResizeFailedWorkers(failedWorkers)
	go pool.resyncer.PersistToDisk(ctx, o)
	go pool.processMRF()
	go pool.persistMRF()
	return pool
}

// AddMRFWorker adds a pending/failed replication worker to handle requests that could not be queued
// to the other workers
func (p *ReplicationPool) AddMRFWorker() {
	for {
		select {
		case <-p.ctx.Done():
			return
		case oi, ok := <-p.mrfReplicaCh:

		auth = NoAuthMiddleware
	}
	metricsRouter.Handle(prometheusMetricsPathLegacy, auth(metricsHandler()))
	metricsRouter.Handle(prometheusMetricsV2ClusterPath, auth(metricsServerHandler()))
	metricsRouter.Handle(prometheusMetricsV2BucketPath, auth(metricsBucketHandler()))
	metricsRouter.Handle(prometheusMetricsV2NodePath, auth(metricsNodeHandler()))
	metricsRouter.Handle(prometheusMetricsV2ResourcePath, auth(metricsResourceHandler()))

			return FileInfoVersions{}, err
		}
		versions, err = xlMeta.ListVersions(volume, path, allParts)
	}
	if err == nil && len(versions) == 0 {
		// This special case is needed to handle len(xlMeta.versions) == 0
		versions = []FileInfo{
			{
				Volume:   volume,
				Name:     path,
				Deleted:  true,
				IsLatest: true,
				ModTime:  timeSentinel1970,
			},
		}
	}
	if err != nil {

	opaRespBytes, err := io.ReadAll(resp.Body)
	if err != nil {
		return false, err
	}

	// Handle large OPA responses when OPA URL is of
	// form http://localhost:8181/v1/data/httpapi/authz
	type opaResultAllow struct {
		Result struct {
			Allow bool `json:"allow"`
		} `json:"result"`
	}

	// Handle simpler OPA responses when OPA URL is of
	// form http://localhost:8181/v1/data/httpapi/authz/allow

	// Register bootstrap REST router for distributed setups.
	registerBootstrapRESTHandlers(globalGrid.Load())

	// Register distributed namespace lock routers.
	registerLockRESTHandlers()

	// Add grid to router
	router.Handle(grid.RoutePath, adminMiddleware(globalGrid.Load().Handler(), noGZFlag, noObjLayerFlag))
}

// List of some generic middlewares which are applied for all incoming requests.
var globalMiddlewares = []mux.MiddlewareFunc{

package config

import (
	"crypto/x509"
	"crypto/x509/pkix"
	"fmt"
	"net/http"
	"strings"

	color "github.com/minio/minio/internal/color"
)

// Extra ASN1 OIDs that we may need to handle
var (
	oidEmailAddress = []int{1, 2, 840, 113549, 1, 9, 1}
)

// printName prints the fields of a distinguished name, which include such
// things as its common name and locality.