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31c4fdbf79
PR #15041 fixed replicating 'null' version however due to a regression from #14994 caused the target versions for these 'null' versioned objects to have different 'versions', this may cause confusion with bi-directional replication and cause double replication. This PR fixes this properly by making sure we replicate the correct versions on the objects.
391 lines
12 KiB
Go
391 lines
12 KiB
Go
// Copyright (c) 2015-2021 MinIO, Inc.
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//
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// This file is part of MinIO Object Storage stack
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package cmd
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import (
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"context"
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"fmt"
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"net/http"
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"strconv"
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"strings"
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"time"
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"github.com/google/uuid"
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"github.com/minio/minio-go/v7/pkg/encrypt"
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"github.com/minio/minio/internal/crypto"
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xhttp "github.com/minio/minio/internal/http"
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"github.com/minio/minio/internal/logger"
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)
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// set encryption options for pass through to backend in the case of gateway and UserDefined metadata
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func getDefaultOpts(header http.Header, copySource bool, metadata map[string]string) (opts ObjectOptions, err error) {
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var clientKey [32]byte
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var sse encrypt.ServerSide
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opts = ObjectOptions{UserDefined: metadata}
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if copySource {
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if crypto.SSECopy.IsRequested(header) {
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clientKey, err = crypto.SSECopy.ParseHTTP(header)
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if err != nil {
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return
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}
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if sse, err = encrypt.NewSSEC(clientKey[:]); err != nil {
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return
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}
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opts.ServerSideEncryption = encrypt.SSECopy(sse)
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return
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}
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return
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}
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if crypto.SSEC.IsRequested(header) {
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clientKey, err = crypto.SSEC.ParseHTTP(header)
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if err != nil {
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return
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}
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if sse, err = encrypt.NewSSEC(clientKey[:]); err != nil {
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return
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}
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opts.ServerSideEncryption = sse
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return
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}
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if crypto.S3.IsRequested(header) || (metadata != nil && crypto.S3.IsEncrypted(metadata)) {
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opts.ServerSideEncryption = encrypt.NewSSE()
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}
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if v, ok := header[xhttp.MinIOSourceProxyRequest]; ok {
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opts.ProxyHeaderSet = true
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opts.ProxyRequest = strings.Join(v, "") == "true"
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}
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if _, ok := header[xhttp.MinIOSourceReplicationRequest]; ok {
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opts.ReplicationRequest = true
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}
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return
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}
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// get ObjectOptions for GET calls from encryption headers
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func getOpts(ctx context.Context, r *http.Request, bucket, object string) (ObjectOptions, error) {
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var (
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encryption encrypt.ServerSide
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opts ObjectOptions
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)
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var partNumber int
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var err error
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if pn := r.Form.Get(xhttp.PartNumber); pn != "" {
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partNumber, err = strconv.Atoi(pn)
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if err != nil {
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return opts, err
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}
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if partNumber <= 0 {
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return opts, errInvalidArgument
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}
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}
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vid := strings.TrimSpace(r.Form.Get(xhttp.VersionID))
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if vid != "" && vid != nullVersionID {
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_, err := uuid.Parse(vid)
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if err != nil {
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logger.LogIf(ctx, err)
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return opts, InvalidVersionID{
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Bucket: bucket,
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Object: object,
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VersionID: vid,
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}
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}
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}
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if GlobalGatewaySSE.SSEC() && crypto.SSEC.IsRequested(r.Header) {
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key, err := crypto.SSEC.ParseHTTP(r.Header)
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if err != nil {
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return opts, err
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}
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derivedKey := deriveClientKey(key, bucket, object)
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encryption, err = encrypt.NewSSEC(derivedKey[:])
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logger.CriticalIf(ctx, err)
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return ObjectOptions{
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ServerSideEncryption: encryption,
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VersionID: vid,
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PartNumber: partNumber,
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}, nil
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}
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deletePrefix := false
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if d := r.Header.Get(xhttp.MinIOForceDelete); d != "" {
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if b, err := strconv.ParseBool(d); err == nil {
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deletePrefix = b
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} else {
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return opts, err
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}
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}
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// default case of passing encryption headers to backend
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opts, err = getDefaultOpts(r.Header, false, nil)
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if err != nil {
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return opts, err
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}
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opts.DeletePrefix = deletePrefix
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opts.PartNumber = partNumber
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opts.VersionID = vid
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delMarker := strings.TrimSpace(r.Header.Get(xhttp.MinIOSourceDeleteMarker))
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if delMarker != "" {
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switch delMarker {
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case "true":
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opts.DeleteMarker = true
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case "false":
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default:
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err = fmt.Errorf("Unable to parse %s, failed with %w", xhttp.MinIOSourceDeleteMarker, fmt.Errorf("DeleteMarker should be true or false"))
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logger.LogIf(ctx, err)
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return opts, InvalidArgument{
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Bucket: bucket,
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Object: object,
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Err: err,
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}
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}
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}
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opts.Versioned = globalBucketVersioningSys.PrefixEnabled(bucket, object)
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opts.VersionSuspended = globalBucketVersioningSys.PrefixSuspended(bucket, object)
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return opts, nil
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}
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func delOpts(ctx context.Context, r *http.Request, bucket, object string) (opts ObjectOptions, err error) {
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opts, err = getOpts(ctx, r, bucket, object)
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if err != nil {
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return opts, err
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}
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opts.Versioned = globalBucketVersioningSys.PrefixEnabled(bucket, object)
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opts.VersionSuspended = globalBucketVersioningSys.PrefixSuspended(bucket, object)
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delMarker := strings.TrimSpace(r.Header.Get(xhttp.MinIOSourceDeleteMarker))
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if delMarker != "" {
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switch delMarker {
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case "true":
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opts.DeleteMarker = true
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case "false":
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default:
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err = fmt.Errorf("Unable to parse %s, failed with %w", xhttp.MinIOSourceDeleteMarker, fmt.Errorf("DeleteMarker should be true or false"))
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logger.LogIf(ctx, err)
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return opts, InvalidArgument{
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Bucket: bucket,
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Object: object,
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Err: err,
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}
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}
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}
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mtime := strings.TrimSpace(r.Header.Get(xhttp.MinIOSourceMTime))
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if mtime != "" {
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opts.MTime, err = time.Parse(time.RFC3339Nano, mtime)
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if err != nil {
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return opts, InvalidArgument{
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Bucket: bucket,
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Object: object,
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Err: fmt.Errorf("Unable to parse %s, failed with %w", xhttp.MinIOSourceMTime, err),
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}
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}
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} else {
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opts.MTime = UTCNow()
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}
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return opts, nil
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}
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// get ObjectOptions for PUT calls from encryption headers and metadata
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func putOpts(ctx context.Context, r *http.Request, bucket, object string, metadata map[string]string) (opts ObjectOptions, err error) {
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versioned := globalBucketVersioningSys.PrefixEnabled(bucket, object)
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versionSuspended := globalBucketVersioningSys.PrefixSuspended(bucket, object)
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vid := strings.TrimSpace(r.Form.Get(xhttp.VersionID))
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if vid != "" && vid != nullVersionID {
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_, err := uuid.Parse(vid)
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if err != nil {
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logger.LogIf(ctx, err)
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return opts, InvalidVersionID{
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Bucket: bucket,
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Object: object,
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VersionID: vid,
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}
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}
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if !versioned {
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return opts, InvalidArgument{
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Bucket: bucket,
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Object: object,
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Err: fmt.Errorf("VersionID specified %s, but versioning not enabled on %s", opts.VersionID, bucket),
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}
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}
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}
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mtimeStr := strings.TrimSpace(r.Header.Get(xhttp.MinIOSourceMTime))
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mtime := UTCNow()
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if mtimeStr != "" {
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mtime, err = time.Parse(time.RFC3339, mtimeStr)
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if err != nil {
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return opts, InvalidArgument{
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Bucket: bucket,
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Object: object,
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Err: fmt.Errorf("Unable to parse %s, failed with %w", xhttp.MinIOSourceMTime, err),
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}
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}
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}
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retaintimeStr := strings.TrimSpace(r.Header.Get(xhttp.MinIOSourceObjectRetentionTimestamp))
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retaintimestmp := mtime
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if retaintimeStr != "" {
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retaintimestmp, err = time.Parse(time.RFC3339, retaintimeStr)
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if err != nil {
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return opts, InvalidArgument{
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Bucket: bucket,
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Object: object,
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Err: fmt.Errorf("Unable to parse %s, failed with %w", xhttp.MinIOSourceObjectRetentionTimestamp, err),
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}
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}
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}
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lholdtimeStr := strings.TrimSpace(r.Header.Get(xhttp.MinIOSourceObjectLegalHoldTimestamp))
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lholdtimestmp := mtime
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if lholdtimeStr != "" {
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lholdtimestmp, err = time.Parse(time.RFC3339, lholdtimeStr)
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if err != nil {
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return opts, InvalidArgument{
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Bucket: bucket,
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Object: object,
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Err: fmt.Errorf("Unable to parse %s, failed with %w", xhttp.MinIOSourceObjectLegalHoldTimestamp, err),
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}
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}
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}
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tagtimeStr := strings.TrimSpace(r.Header.Get(xhttp.MinIOSourceTaggingTimestamp))
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taggingtimestmp := mtime
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if tagtimeStr != "" {
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taggingtimestmp, err = time.Parse(time.RFC3339, tagtimeStr)
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if err != nil {
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return opts, InvalidArgument{
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Bucket: bucket,
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Object: object,
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Err: fmt.Errorf("Unable to parse %s, failed with %w", xhttp.MinIOSourceTaggingTimestamp, err),
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}
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}
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}
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etag := strings.TrimSpace(r.Header.Get(xhttp.MinIOSourceETag))
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if etag != "" {
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if metadata == nil {
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metadata = make(map[string]string, 1)
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}
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metadata["etag"] = etag
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}
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// In the case of multipart custom format, the metadata needs to be checked in addition to header to see if it
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// is SSE-S3 encrypted, primarily because S3 protocol does not require SSE-S3 headers in PutObjectPart calls
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if GlobalGatewaySSE.SSES3() && (crypto.S3.IsRequested(r.Header) || crypto.S3.IsEncrypted(metadata)) {
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return ObjectOptions{
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ServerSideEncryption: encrypt.NewSSE(),
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UserDefined: metadata,
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VersionID: vid,
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Versioned: versioned,
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VersionSuspended: versionSuspended,
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MTime: mtime,
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}, nil
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}
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if GlobalGatewaySSE.SSEC() && crypto.SSEC.IsRequested(r.Header) {
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opts, err = getOpts(ctx, r, bucket, object)
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opts.VersionID = vid
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opts.Versioned = versioned
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opts.VersionSuspended = versionSuspended
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opts.UserDefined = metadata
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return
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}
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if crypto.S3KMS.IsRequested(r.Header) {
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keyID, context, err := crypto.S3KMS.ParseHTTP(r.Header)
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if err != nil {
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return ObjectOptions{}, err
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}
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sseKms, err := encrypt.NewSSEKMS(keyID, context)
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if err != nil {
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return ObjectOptions{}, err
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}
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return ObjectOptions{
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ServerSideEncryption: sseKms,
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UserDefined: metadata,
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VersionID: vid,
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Versioned: versioned,
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VersionSuspended: versionSuspended,
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MTime: mtime,
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}, nil
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}
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// default case of passing encryption headers and UserDefined metadata to backend
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opts, err = getDefaultOpts(r.Header, false, metadata)
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if err != nil {
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return opts, err
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}
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opts.VersionID = vid
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opts.Versioned = versioned
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opts.VersionSuspended = versionSuspended
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opts.MTime = mtime
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opts.ReplicationSourceLegalholdTimestamp = lholdtimestmp
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opts.ReplicationSourceRetentionTimestamp = retaintimestmp
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opts.ReplicationSourceTaggingTimestamp = taggingtimestmp
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return opts, nil
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}
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// get ObjectOptions for Copy calls with encryption headers provided on the target side and source side metadata
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func copyDstOpts(ctx context.Context, r *http.Request, bucket, object string, metadata map[string]string) (opts ObjectOptions, err error) {
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return putOpts(ctx, r, bucket, object, metadata)
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}
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// get ObjectOptions for Copy calls with encryption headers provided on the source side
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func copySrcOpts(ctx context.Context, r *http.Request, bucket, object string) (ObjectOptions, error) {
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var (
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ssec encrypt.ServerSide
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opts ObjectOptions
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)
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if GlobalGatewaySSE.SSEC() && crypto.SSECopy.IsRequested(r.Header) {
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key, err := crypto.SSECopy.ParseHTTP(r.Header)
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if err != nil {
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return opts, err
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}
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derivedKey := deriveClientKey(key, bucket, object)
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ssec, err = encrypt.NewSSEC(derivedKey[:])
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if err != nil {
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return opts, err
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}
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return ObjectOptions{ServerSideEncryption: encrypt.SSECopy(ssec)}, nil
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}
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// default case of passing encryption headers to backend
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opts, err := getDefaultOpts(r.Header, false, nil)
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if err != nil {
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return opts, err
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}
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return opts, nil
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}
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// get ObjectOptions for CompleteMultipart calls
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func completeMultipartOpts(ctx context.Context, r *http.Request, bucket, object string) (opts ObjectOptions, err error) {
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mtimeStr := strings.TrimSpace(r.Header.Get(xhttp.MinIOSourceMTime))
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mtime := UTCNow()
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if mtimeStr != "" {
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mtime, err = time.Parse(time.RFC3339, mtimeStr)
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if err != nil {
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return opts, InvalidArgument{
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Bucket: bucket,
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Object: object,
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Err: fmt.Errorf("Unable to parse %s, failed with %w", xhttp.MinIOSourceMTime, err),
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}
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}
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}
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opts.MTime = mtime
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opts.UserDefined = make(map[string]string)
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return opts, nil
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}
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