delete(metadata, xhttp.AmzServerSideEncryption)
	delete(metadata, xhttp.AmzServerSideEncryptionKmsID)
	delete(metadata, xhttp.AmzServerSideEncryptionKmsContext)
	delete(metadata, xhttp.AmzServerSideEncryptionCustomerAlgorithm)
	delete(metadata, xhttp.AmzServerSideEncryptionCustomerKey)
	delete(metadata, xhttp.AmzServerSideEncryptionCustomerKeyMD5)
	delete(metadata, xhttp.AmzServerSideEncryptionCopyCustomerAlgorithm)

	case crypto.S3:
		m[xhttp.AmzServerSideEncryption] = xhttp.AmzEncryptionAES
	case crypto.S3KMS:
		m[xhttp.AmzServerSideEncryption] = xhttp.AmzEncryptionKMS
		m[xhttp.AmzServerSideEncryptionKmsID] = kmsKeyIDFromMetadata(metadata)
		if kmsCtx, ok := metadata[crypto.MetaContext]; ok {
			m[xhttp.AmzServerSideEncryptionKmsContext] = kmsCtx
		}
	case crypto.SSEC:

		w.Header().Set(xhttp.LastModified, objInfo.ModTime.UTC().Format(http.TimeFormat))

		if objInfo.ETag != "" {
			w.Header()[xhttp.ETag] = []string{"\"" + objInfo.ETag + "\""}
		}
	}

	// If-Match : Return the object only if its entity tag (ETag) is the same as the one specified;
	// otherwise return a 412 (precondition failed).
	ifMatchETagHeader := r.Header.Get(xhttp.IfMatch)
	if ifMatchETagHeader != "" {

// verifies if any of the necessary query params are missing in the presigned request.
func doesV4PresignParamsExist(query url.Values) APIErrorCode {
	v4PresignQueryParams := []string{xhttp.AmzAlgorithm, xhttp.AmzCredential, xhttp.AmzSignature, xhttp.AmzDate, xhttp.AmzSignedHeaders, xhttp.AmzExpires}
	for _, v4PresignQueryParam := range v4PresignQueryParams {
		if _, ok := query[v4PresignQueryParam]; !ok {
			return ErrInvalidQueryParams
		}
	}

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

package http

import (
	"bytes"
	"context"
	"errors"
	"fmt"
	"net/http"
	"net/url"
	"os"
	"path/filepath"
	"strconv"
	"strings"
	"sync"
	"sync/atomic"
	"time"

	jsoniter "github.com/json-iterator/go"
	xhttp "github.com/minio/minio/internal/http"
	xioutil "github.com/minio/minio/internal/ioutil"

// on success. SSE-C copy headers are ignored.
func (ssec) ParseHTTP(h http.Header) (key [32]byte, err error) {
	if h.Get(xhttp.AmzServerSideEncryptionCustomerAlgorithm) != xhttp.AmzEncryptionAES {
		return key, ErrInvalidCustomerAlgorithm
	}
	if h.Get(xhttp.AmzServerSideEncryptionCustomerKey) == "" {
		return key, ErrMissingCustomerKey
	}
	if h.Get(xhttp.AmzServerSideEncryptionCustomerKeyMD5) == "" {
		return key, ErrMissingCustomerKeyMD5

		{
			name: "several",
			arg: map[string]string{
				xhttp.AmzRestore:                 "FAILED",
				xhttp.ContentMD5:                 mustGetUUID(),
				xhttp.AmzBucketReplicationStatus: "PENDING",
				xhttp.ContentType:                "application/json",
			},
		},
		{
			name: "someempty",
			arg: map[string]string{
				xhttp.AmzRestore:                 "",
				xhttp.ContentMD5:                 mustGetUUID(),

//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package cmd

import (
	"bytes"
	"net/http"
	"testing"
	"time"

	"github.com/minio/minio/internal/bucket/lifecycle"
	xhttp "github.com/minio/minio/internal/http"
)

// TestParseRestoreObjStatus tests parseRestoreObjStatus
func TestParseRestoreObjStatus(t *testing.T) {

	"Policy":              true,
	xhttp.AmzSignature:    true,
	xhttp.ContentEncoding: true,
	http.CanonicalHeaderKey(xhttp.AmzChecksumAlgo):   true,
	http.CanonicalHeaderKey(xhttp.AmzChecksumCRC32):  true,
	http.CanonicalHeaderKey(xhttp.AmzChecksumCRC32C): true,
	http.CanonicalHeaderKey(xhttp.AmzChecksumSHA1):   true,
	http.CanonicalHeaderKey(xhttp.AmzChecksumSHA256): true,
	http.CanonicalHeaderKey(xhttp.AmzChecksumMode):   true,
}

	}

	u, err := url.Parse("http://localhost:9000/minio/lock")
	if err != nil {
		t.Fatal(err)
	}

	r := &http.Request{
		Proto:  "HTTP/1.0",
		Method: http.MethodPost,
		URL:    u,
	}
	if !guessIsRPCReq(r) {
		t.Fatal("Test shouldn't fail for a possible net/rpc request.")
	}
	r = &http.Request{
		Proto:  "HTTP/1.1",
		Method: http.MethodGet,
		URL:    u,
	}
	if !guessIsRPCReq(r) {