mirror of https://github.com/minio/minio.git
388 lines
11 KiB
Go
388 lines
11 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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"github.com/minio/minio/internal/hash"
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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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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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opts.Speedtest = header.Get(globalObjectPerfUserMetadata) != ""
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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 opts ObjectOptions
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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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if _, err := uuid.Parse(vid); err != nil {
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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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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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replReadyCheck := strings.TrimSpace(r.Header.Get(xhttp.MinIOCheckDMReplicationReady))
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if replReadyCheck != "" {
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switch replReadyCheck {
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case "true":
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opts.CheckDMReplicationReady = 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.MinIOCheckDMReplicationReady, fmt.Errorf("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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// Objects matching prefixes should not leave delete markers,
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// dramatically reduces namespace pollution while keeping the
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// benefits of replication, make sure to apply version suspension
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// only at bucket level instead.
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opts.VersionSuspended = globalBucketVersioningSys.Suspended(bucket)
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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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if metadata == nil {
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metadata = make(map[string]string)
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}
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wantCRC, err := hash.GetContentChecksum(r)
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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("invalid/unknown checksum sent: %v", err),
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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 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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WantChecksum: wantCRC,
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PreserveETag: etag,
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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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opts.PreserveETag = etag
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opts.WantChecksum = wantCRC
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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 opts ObjectOptions
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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.WantChecksum, err = hash.GetContentChecksum(r)
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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("invalid/unknown checksum sent: %v", err),
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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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// Transfer SSEC key in opts.EncryptFn
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if crypto.SSEC.IsRequested(r.Header) {
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key, err := ParseSSECustomerRequest(r)
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if err == nil {
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// Set EncryptFn to return SSEC key
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opts.EncryptFn = func(baseKey string, data []byte) []byte {
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return key
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}
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}
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}
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return opts, nil
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}
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