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

package cmd

import (
	"bytes"
	"encoding/json"
	"encoding/xml"
	"errors"
	"fmt"
	"io"
	"net/http"
	"path"
	"time"

	"github.com/minio/minio-go/v7"
	objectlock "github.com/minio/minio/internal/bucket/object/lock"
	"github.com/minio/minio/internal/bucket/replication"
	xhttp "github.com/minio/minio/internal/http"

	}

	// Decide what http response to send depending on success_action_status parameter
	switch successStatus {
	case "201":
		resp := encodeResponse(PostResponse{
			Bucket:   objInfo.Bucket,
			Key:      objInfo.Name,
			ETag:     `"` + objInfo.ETag + `"`,
			Location: w.Header().Get(xhttp.Location),
		})
		writeResponse(w, http.StatusCreated, resp, mimeXML)
	case "200":

     {{.Prompt}} {{.HelpName}} http://node{1...32}.example.com/mnt/export{1...32}

  4. Start distributed MinIO server in an expanded setup, run the following command on all the nodes
     {{.Prompt}} {{.HelpName}} http://node{1...16}.example.com/mnt/export{1...32} \
            http://node{17...64}.example.com/mnt/export{1...64}

var supportedHeadGetReqParams = map[string]string{
	"response-expires":             xhttp.Expires,
	"response-content-type":        xhttp.ContentType,
	"response-cache-control":       xhttp.CacheControl,
	"response-content-encoding":    xhttp.ContentEncoding,
	"response-content-language":    xhttp.ContentLanguage,
	"response-content-disposition": xhttp.ContentDisposition,
}

const (
	compressionAlgorithmV1 = "golang/snappy/LZ77"

	return cleanMetadataKeys(metadata, "md5Sum", "etag", "expires", xhttp.AmzObjectTagging, "last-modified", VersionPurgeStatusKey)
}

// Filter X-Amz-Storage-Class field only if it is set to STANDARD.
// This is done since AWS S3 doesn't return STANDARD Storage class as response header.
func removeStandardStorageClass(metadata map[string]string) map[string]string {
	if metadata[xhttp.AmzStorageClass] == storageclass.STANDARD {

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

package cmd

import (
	"bytes"
	"context"
	"encoding/json"
	"errors"
	"fmt"
	"io"
	"net/http"
	"runtime"
	"strconv"
	"time"

	"github.com/minio/minio-go/v7/pkg/tags"
	"github.com/minio/minio/internal/bucket/versioning"
	xhttp "github.com/minio/minio/internal/http"
	xioutil "github.com/minio/minio/internal/ioutil"

							r.URL.Path, w.Header().Get(xhttp.AmzRequestID),
							w.Header().Get(xhttp.AmzRequestHostID)))
					} else {
						errorRespJSON = encodeResponseJSON(APIErrorResponse{
							Code:      hr.apiErr.Code,
							Message:   hr.errBody,
							Resource:  r.URL.Path,
							RequestID: w.Header().Get(xhttp.AmzRequestID),
							HostID:    globalDeploymentID(),
						})
					}

var standardHeaders = []string{
	xhttp.ContentType,
	xhttp.CacheControl,
	xhttp.ContentEncoding,
	xhttp.ContentLanguage,
	xhttp.ContentDisposition,
	xhttp.AmzStorageClass,
	xhttp.AmzObjectTagging,
	xhttp.AmzBucketReplicationStatus,
	xhttp.AmzObjectLockMode,
	xhttp.AmzObjectLockRetainUntilDate,
	xhttp.AmzObjectLockLegalHold,
	xhttp.AmzTagCount,
	xhttp.AmzServerSideEncryption,
}

	switch r.Method {
	case http.MethodGet, http.MethodHead:
		if crypto.S3.IsRequested(headers) || crypto.S3KMS.IsRequested(headers) {
			return false, errInvalidEncryptionParameters
		}
	}

	_, encrypted = crypto.IsEncrypted(info.UserDefined)
	if !encrypted && crypto.SSEC.IsRequested(headers) && r.Header.Get(xhttp.AmzCopySource) == "" {
		return false, errInvalidEncryptionParameters
	}

	for k, v := range objInfo.Metadata {
		oi.UserDefined[k] = v[0]
	}

	ce, ok := oi.UserDefined[xhttp.ContentEncoding]
	if !ok {
		ce, ok = oi.UserDefined[strings.ToLower(xhttp.ContentEncoding)]
	}
	if ok {
		oi.ContentEncoding = ce
	}

	_, ok = oi.UserDefined[xhttp.AmzStorageClass]
	if !ok {
		oi.UserDefined[xhttp.AmzStorageClass] = objInfo.StorageClass
	}

	maps.Copy(oi.UserDefined, objInfo.UserMetadata)