package jwt

// This file is a re-implementation of the original code here with some
// additional allocation tweaks reproduced using GODEBUG=allocfreetrace=1
// original file https://github.com/golang-jwt/jwt/blob/main/parser.go
// borrowed under MIT License https://github.com/golang-jwt/jwt/blob/main/LICENSE

import (
	"bytes"
	"crypto"
	"crypto/hmac"
	"encoding/base64"
	"errors"
	"fmt"
	"hash"
	"sync"
	"time"

import (
	"context"
	"errors"
	"fmt"
	"io"
)

// Converts underlying storage error. Convenience function written to
// handle all cases where we have known types of errors returned by
// underlying storage layer.
func toObjectErr(oerr error, params ...string) error {
	if oerr == nil {
		return nil
	}

	// Unwarp the error first
	err := unwrapAll(oerr)

	if err == context.Canceled {
		return context.Canceled
	}

	ctx, cancel := context.WithCancel(context.Background())
	defer cancel()

	obj, fsDirs, err := prepareErasure(ctx, 16)
	if err != nil {
		t.Fatal("Unable to initialize 'Erasure' object layer.", err)
	}
	// Remove all dirs.
	for _, dir := range fsDirs {
		defer os.RemoveAll(dir)
	}

	type testCaseType struct {
		bucket string
		object string
	}

	bucketName := "bucket"

// NewMultipartUploadHandler - New multipart upload.
// Notice: The S3 client can send secret keys in headers for encryption related jobs,
// the handler should ensure to remove these keys before sending them to the object layer.
// Currently these keys are:
//   - X-Amz-Server-Side-Encryption-Customer-Key
//   - X-Amz-Copy-Source-Server-Side-Encryption-Customer-Key

	ctx := r.Context()

	vars := mux.Vars(r)
	bucket := pathClean(vars["bucket"])
	update := r.Form.Get("update") == "true"

	// Get current object layer instance.
	objectAPI, _ := validateAdminReq(ctx, w, r, policy.SetBucketTargetAction)
	if objectAPI == nil {
		return
	}

	// Check if bucket exists.

	if err := newTestConfig(globalMinioDefaultRegion, obj); err != nil {
		t.Fatalf("Initializing config.json failed")
	}

	// Register the API end points with Erasure/FS object layer.
	apiRouter := initTestAPIEndPoints(obj, []string{"PostPolicy"})

	credentials := globalActiveCred
	bucketName := minioMetaBucket
	objectName := "config/x"

	// This exploit needs browser to be enabled.

const (
	// this flag disables gzip compression of responses
	noGZFlag = 1 << iota

	// this flag enables tracing body and headers instead of just headers
	traceAllFlag

	// pass this flag to skip checking if object layer is available
	noObjLayerFlag
)

// Has checks if the given flag is enabled in `h`.
func (h hFlag) Has(flag hFlag) bool {
	// Use bitwise-AND and check if the result is non-zero.
	return h&flag != 0
}

			return gc
		},
	}
}

// Wrapper to restClient.Call to handle network errors, in case of network error the connection is marked disconnected
// permanently. The only way to restore the connection is at the xl-sets layer by xlsets.monitorAndConnectEndpoints()
// after verifying format.json
func (client *peerRESTClient) call(method string, values url.Values, body io.Reader, length int64) (respBody io.ReadCloser, err error) {

	}
	return totalSizes
}

// Parses all arguments and returns an endpointSet which is a collection
// of endpoints following the ellipses pattern, this is what is used
// by the object layer for initializing itself.
func parseEndpointSet(setDriveCount uint64, args ...string) (ep endpointSet, err error) {
	argPatterns := make([]ellipses.ArgPattern, len(args))
	for i, arg := range args {

const (
	tierFVID     = "tier-free-versionID"
	tierFVMarker = "tier-free-marker"
	tierSkipFVID = "tier-skip-fvid"
)

// SetTierFreeVersionID sets free-version's versionID. This method is used by
// object layer to pass down a versionID to set for a free-version that may be
// created.
func (fi *FileInfo) SetTierFreeVersionID(versionID string) {
	if fi.Metadata == nil {
		fi.Metadata = make(map[string]string)
	}