agreed to in writing, Licensor provides the Work (and each
      Contributor provides its Contributions) on an "AS IS" BASIS,
      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
      implied, including, without limitation, any warranties or conditions
      of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
      PARTICULAR PURPOSE. You are solely responsible for determining the

	}

	defer globalCacheConfig.Set(&cache.ObjectInfo{
		Key:          objInfo.Name,
		Bucket:       objInfo.Bucket,
		ETag:         objInfo.ETag,
		ModTime:      objInfo.ModTime,
		Expires:      objInfo.ExpiresStr(),
		CacheControl: objInfo.CacheControl,
		Size:         asize,
		Metadata:     cleanReservedKeys(objInfo.UserDefined),
	})

make, use, sell, offer for sale, import and otherwise run, modify and
propagate the contents of its contributor version.

  In the following three paragraphs, a "patent license" is any express
agreement or commitment, however denominated, not to enforce a patent
(such as an express permission to practice a patent or covenant not to
sue for patent infringement).  To "grant" such a patent license to a

 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package csv

import (
	"bytes"
	"errors"
	"fmt"
	"io"
	"os"
	"reflect"

		canonicalHeaders += "\n"
	}

	date := expires // Date is set to expires date for presign operations.
	if date == "" {
		// If expires date is empty then request header Date is used.
		date = headers.Get(xhttp.Date)
	}

	// From the Amazon docs:
	//
	// StringToSign = HTTP-Verb + "\n" +
	// 	 Content-Md5 + "\n" +
	//	 Content-Type + "\n" +
	//	 Date/Expires + "\n" +
	//	 CanonicalizedProtocolHeaders +

			}
			for k, v := range cleanReservedKeys(object.UserDefined) {
				content.UserMetadata.Set(k, v)
			}

			content.UserMetadata.Set("expires", object.Expires.Format(http.TimeFormat))
			content.Internal = &ObjectInternalInfo{
				K: object.DataBlocks,
				M: object.ParityBlocks,
			}
		}
		content.Owner = owner
		content.VersionID = object.VersionID

	}
}

// expireTransitionedObject handles expiry of transitioned/restored objects
// (versions) in one of the following situations:
//
// 1. when a restored (via PostRestoreObject API) object expires.
// 2. when a transitioned object expires (based on an ILM rule).
func expireTransitionedObject(ctx context.Context, objectAPI ObjectLayer, oi *ObjectInfo, lcEvent lifecycle.Event, src lcEventSrc) error {
	traceFn := globalLifecycleSys.trace(*oi)

var supportedHeaders = []string{
	"content-type",
	"cache-control",
	"content-language",
	"content-encoding",
	"content-disposition",
	"x-amz-storage-class",
	xhttp.AmzStorageClass,
	xhttp.AmzObjectTagging,
	"expires",
	xhttp.AmzBucketReplicationStatus,
	"X-Minio-Replication-Server-Side-Encryption-Sealed-Key",
	"X-Minio-Replication-Server-Side-Encryption-Seal-Algorithm",
	"X-Minio-Replication-Server-Side-Encryption-Iv",

		},
		// (1) Should error on an invalid access key.
		{
			queryParams: map[string]string{
				"X-Amz-Algorithm":     signV4Algorithm,
				"X-Amz-Date":          now.Format(iso8601Format),
				"X-Amz-Expires":       "60",
				"X-Amz-Signature":     "badsignature",
				"X-Amz-SignedHeaders": "host;x-amz-content-sha256;x-amz-date",

	Inlined bool

	DataBlocks   int
	ParityBlocks int
}

// ExpiresStr returns a stringified version of Expires header in http.TimeFormat
func (o ObjectInfo) ExpiresStr() string {
	var expires string
	if !o.Expires.IsZero() {
		expires = o.Expires.UTC().Format(http.TimeFormat)
	}
	return expires
}

// ArchiveInfo returns any saved zip archive meta information.
// It will be decrypted if needed.