len(cpuMap), len(coreMap), cpu.VendorID, cpu.Family, cpu.Model, cpu.Stepping, cpu.ModelName))
	}
	uaAppend(")", "")

	return strings.Join(userAgentParts, "")
}

func downloadReleaseURL(u *url.URL, timeout time.Duration, mode string) (content string, err error) {
	req, err := http.NewRequest(http.MethodGet, u.String(), nil)
	if err != nil {
		return content, AdminError{
			Code:       AdminUpdateUnexpectedFailure,

	// if required e.g. when it is expiring soon
	url := globalSubnetConfig.BaseURL + licRenewPath

	resp, err := globalSubnetConfig.Post(url, nil)
	if err != nil {
		subnetLogIf(ctx, fmt.Errorf("error from %s: %w", url, err))
		return
	}

	r := gjson.Parse(resp).Get("license_v2")
	if r.Index == 0 {
		internalLogIf(ctx, fmt.Errorf("license not found in response from %s", url))
		return
	}

	lic := r.String()

func (sys *BucketTargetSys) isOffline(ep *url.URL) bool {
	sys.hMutex.RLock()
	defer sys.hMutex.RUnlock()
	if h, ok := sys.hc[ep.Host]; ok {
		return !h.Online
	}
	go sys.initHC(ep)
	return false
}

// markOffline sets endpoint to offline if network i/o timeout seen.
func (sys *BucketTargetSys) markOffline(ep *url.URL) {
	sys.hMutex.Lock()
	defer sys.hMutex.Unlock()

		}
		seenClientIDs.Add(p.ClientID)

		p.URL, err = xnet.ParseHTTPURL(configURL)
		if err != nil {
			return c, err
		}
		configURLDomain := p.URL.Hostname()
		p.DiscoveryDoc, err = parseDiscoveryDoc(p.URL, transport, closeRespFn)
		if err != nil {
			return c, err
		}

		if p.ClaimUserinfo && configURL == "" {
			return c, errors.New("please specify config_url to enable fetching claims from UserInfo endpoint")
		}

	u := URLValues(values)
	return &u
}

// Values returns the url.Values.
// If u is nil, an empty url.Values is returned.
// The values are a shallow copy of the underlying map.
func (u *URLValues) Values() url.Values {
	if u == nil {
		return url.Values{}
	}
	return url.Values(*u)
}

// Recycle the underlying map.
func (u *URLValues) Recycle() {
	if *u != nil {

	pk.RLock()
	defer pk.RUnlock()
	return pk.pkMap[kid]
}

// PopulatePublicKey - populates a new publickey from the JWKS URL.
func (r *Config) PopulatePublicKey(arn arn.ARN) error {
	pCfg := r.arnProviderCfgsMap[arn]
	if pCfg.JWKS.URL == nil || pCfg.JWKS.URL.String() == "" {
		return nil
	}

	// Add client secret for the client ID for HMAC based signature.

		case ErrAccessDenied:
			// Try another
			continue
		default:
			writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(adminAPIErr), r.URL)
			return nil, cred
		}
	}
	writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrAccessDenied), r.URL)
	return nil, auth.Credentials{}
}

// AdminError - is a generic error for all admin APIs.
type AdminError struct {
	Code       string
	Message    string

// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package main

import (
	"context"
	"crypto/md5"
	"flag"
	"fmt"
	"io"
	"log"
	"net/url"
	"os"
	"path"
	"strconv"
	"strings"
	"time"

	"github.com/minio/minio-go/v7"
	"github.com/minio/minio-go/v7/pkg/credentials"
)

var (
	endpoint, accessKey, secretKey string

	authTypeStreamingSignedTrailer
	authTypeStreamingUnsignedTrailer
)

// Get request authentication type.
func getRequestAuthType(r *http.Request) (at authType) {
	if r.URL != nil {
		var err error
		r.Form, err = url.ParseQuery(r.URL.RawQuery)
		if err != nil {
			authNLogIf(r.Context(), err)
			return authTypeUnknown
		}
	}
	if isRequestSignatureV2(r) {
		return authTypeSignedV2

		return false
	}

	switch c {
	case '-', '_', '.', '/', '*':
		return false
	}
	return true
}

// s3URLEncode is based on Golang's url.QueryEscape() code,
// while considering some S3 exceptions:
//   - Avoid encoding '/' and '*'
//   - Force encoding of '~'
func s3URLEncode(s string) string {
	spaceCount, hexCount := 0, 0
	for i := 0; i < len(s); i++ {