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object-api-options.go
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object-api-options.go
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// Copyright (c) 2015-2021 MinIO, Inc.
//
// This file is part of MinIO Object Storage stack
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// 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 (
"context"
"fmt"
"net/http"
"strconv"
"strings"
"time"
"github.com/google/uuid"
"github.com/minio/minio-go/v7/pkg/encrypt"
"github.com/nitrictech/minio/internal/crypto"
"github.com/nitrictech/minio/internal/hash"
xhttp "github.com/nitrictech/minio/internal/http"
"github.com/nitrictech/minio/internal/logger"
)
func getDefaultOpts(header http.Header, copySource bool, metadata map[string]string) (opts ObjectOptions, err error) {
var clientKey [32]byte
var sse encrypt.ServerSide
opts = ObjectOptions{UserDefined: metadata}
if copySource {
if crypto.SSECopy.IsRequested(header) {
clientKey, err = crypto.SSECopy.ParseHTTP(header)
if err != nil {
return
}
if sse, err = encrypt.NewSSEC(clientKey[:]); err != nil {
return
}
opts.ServerSideEncryption = encrypt.SSECopy(sse)
return
}
return
}
if crypto.SSEC.IsRequested(header) {
clientKey, err = crypto.SSEC.ParseHTTP(header)
if err != nil {
return
}
if sse, err = encrypt.NewSSEC(clientKey[:]); err != nil {
return
}
opts.ServerSideEncryption = sse
return
}
if crypto.S3.IsRequested(header) || (metadata != nil && crypto.S3.IsEncrypted(metadata)) {
opts.ServerSideEncryption = encrypt.NewSSE()
}
if v, ok := header[xhttp.MinIOSourceProxyRequest]; ok {
opts.ProxyHeaderSet = true
opts.ProxyRequest = strings.Join(v, "") == "true"
}
if _, ok := header[xhttp.MinIOSourceReplicationRequest]; ok {
opts.ReplicationRequest = true
}
opts.Speedtest = header.Get(globalObjectPerfUserMetadata) != ""
return
}
// get ObjectOptions for GET calls from encryption headers
func getOpts(ctx context.Context, r *http.Request, bucket, object string) (ObjectOptions, error) {
var opts ObjectOptions
var partNumber int
var err error
if pn := r.Form.Get(xhttp.PartNumber); pn != "" {
partNumber, err = strconv.Atoi(pn)
if err != nil {
return opts, err
}
if partNumber <= 0 {
return opts, errInvalidArgument
}
}
vid := strings.TrimSpace(r.Form.Get(xhttp.VersionID))
if vid != "" && vid != nullVersionID {
_, err := uuid.Parse(vid)
if err != nil {
logger.LogIf(ctx, err)
return opts, InvalidVersionID{
Bucket: bucket,
Object: object,
VersionID: vid,
}
}
}
deletePrefix := false
if d := r.Header.Get(xhttp.MinIOForceDelete); d != "" {
if b, err := strconv.ParseBool(d); err == nil {
deletePrefix = b
} else {
return opts, err
}
}
// default case of passing encryption headers to backend
opts, err = getDefaultOpts(r.Header, false, nil)
if err != nil {
return opts, err
}
opts.DeletePrefix = deletePrefix
opts.PartNumber = partNumber
opts.VersionID = vid
delMarker := strings.TrimSpace(r.Header.Get(xhttp.MinIOSourceDeleteMarker))
if delMarker != "" {
switch delMarker {
case "true":
opts.DeleteMarker = true
case "false":
default:
err = fmt.Errorf("Unable to parse %s, failed with %w", xhttp.MinIOSourceDeleteMarker, fmt.Errorf("DeleteMarker should be true or false"))
logger.LogIf(ctx, err)
return opts, InvalidArgument{
Bucket: bucket,
Object: object,
Err: err,
}
}
}
replReadyCheck := strings.TrimSpace(r.Header.Get(xhttp.MinIOCheckDMReplicationReady))
if replReadyCheck != "" {
switch replReadyCheck {
case "true":
opts.CheckDMReplicationReady = true
case "false":
default:
err = fmt.Errorf("Unable to parse %s, failed with %w", xhttp.MinIOCheckDMReplicationReady, fmt.Errorf("should be true or false"))
logger.LogIf(ctx, err)
return opts, InvalidArgument{
Bucket: bucket,
Object: object,
Err: err,
}
}
}
opts.Versioned = globalBucketVersioningSys.PrefixEnabled(bucket, object)
opts.VersionSuspended = globalBucketVersioningSys.PrefixSuspended(bucket, object)
return opts, nil
}
func delOpts(ctx context.Context, r *http.Request, bucket, object string) (opts ObjectOptions, err error) {
opts, err = getOpts(ctx, r, bucket, object)
if err != nil {
return opts, err
}
opts.Versioned = globalBucketVersioningSys.PrefixEnabled(bucket, object)
// Objects matching prefixes should not leave delete markers,
// dramatically reduces namespace pollution while keeping the
// benefits of replication, make sure to apply version suspension
// only at bucket level instead.
opts.VersionSuspended = globalBucketVersioningSys.Suspended(bucket)
delMarker := strings.TrimSpace(r.Header.Get(xhttp.MinIOSourceDeleteMarker))
if delMarker != "" {
switch delMarker {
case "true":
opts.DeleteMarker = true
case "false":
default:
err = fmt.Errorf("Unable to parse %s, failed with %w", xhttp.MinIOSourceDeleteMarker, fmt.Errorf("DeleteMarker should be true or false"))
logger.LogIf(ctx, err)
return opts, InvalidArgument{
Bucket: bucket,
Object: object,
Err: err,
}
}
}
mtime := strings.TrimSpace(r.Header.Get(xhttp.MinIOSourceMTime))
if mtime != "" {
opts.MTime, err = time.Parse(time.RFC3339Nano, mtime)
if err != nil {
return opts, InvalidArgument{
Bucket: bucket,
Object: object,
Err: fmt.Errorf("Unable to parse %s, failed with %w", xhttp.MinIOSourceMTime, err),
}
}
} else {
opts.MTime = UTCNow()
}
return opts, nil
}
// get ObjectOptions for PUT calls from encryption headers and metadata
func putOpts(ctx context.Context, r *http.Request, bucket, object string, metadata map[string]string) (opts ObjectOptions, err error) {
versioned := globalBucketVersioningSys.PrefixEnabled(bucket, object)
versionSuspended := globalBucketVersioningSys.PrefixSuspended(bucket, object)
vid := strings.TrimSpace(r.Form.Get(xhttp.VersionID))
if vid != "" && vid != nullVersionID {
_, err := uuid.Parse(vid)
if err != nil {
logger.LogIf(ctx, err)
return opts, InvalidVersionID{
Bucket: bucket,
Object: object,
VersionID: vid,
}
}
if !versioned {
return opts, InvalidArgument{
Bucket: bucket,
Object: object,
Err: fmt.Errorf("VersionID specified %s, but versioning not enabled on %s", opts.VersionID, bucket),
}
}
}
mtimeStr := strings.TrimSpace(r.Header.Get(xhttp.MinIOSourceMTime))
mtime := UTCNow()
if mtimeStr != "" {
mtime, err = time.Parse(time.RFC3339, mtimeStr)
if err != nil {
return opts, InvalidArgument{
Bucket: bucket,
Object: object,
Err: fmt.Errorf("Unable to parse %s, failed with %w", xhttp.MinIOSourceMTime, err),
}
}
}
retaintimeStr := strings.TrimSpace(r.Header.Get(xhttp.MinIOSourceObjectRetentionTimestamp))
retaintimestmp := mtime
if retaintimeStr != "" {
retaintimestmp, err = time.Parse(time.RFC3339, retaintimeStr)
if err != nil {
return opts, InvalidArgument{
Bucket: bucket,
Object: object,
Err: fmt.Errorf("Unable to parse %s, failed with %w", xhttp.MinIOSourceObjectRetentionTimestamp, err),
}
}
}
lholdtimeStr := strings.TrimSpace(r.Header.Get(xhttp.MinIOSourceObjectLegalHoldTimestamp))
lholdtimestmp := mtime
if lholdtimeStr != "" {
lholdtimestmp, err = time.Parse(time.RFC3339, lholdtimeStr)
if err != nil {
return opts, InvalidArgument{
Bucket: bucket,
Object: object,
Err: fmt.Errorf("Unable to parse %s, failed with %w", xhttp.MinIOSourceObjectLegalHoldTimestamp, err),
}
}
}
tagtimeStr := strings.TrimSpace(r.Header.Get(xhttp.MinIOSourceTaggingTimestamp))
taggingtimestmp := mtime
if tagtimeStr != "" {
taggingtimestmp, err = time.Parse(time.RFC3339, tagtimeStr)
if err != nil {
return opts, InvalidArgument{
Bucket: bucket,
Object: object,
Err: fmt.Errorf("Unable to parse %s, failed with %w", xhttp.MinIOSourceTaggingTimestamp, err),
}
}
}
if metadata == nil {
metadata = make(map[string]string)
}
wantCRC, err := hash.GetContentChecksum(r)
if err != nil {
return opts, InvalidArgument{
Bucket: bucket,
Object: object,
Err: fmt.Errorf("invalid/unknown checksum sent: %v", err),
}
}
if crypto.S3KMS.IsRequested(r.Header) {
keyID, context, err := crypto.S3KMS.ParseHTTP(r.Header)
if err != nil {
return ObjectOptions{}, err
}
sseKms, err := encrypt.NewSSEKMS(keyID, context)
if err != nil {
return ObjectOptions{}, err
}
return ObjectOptions{
ServerSideEncryption: sseKms,
UserDefined: metadata,
VersionID: vid,
Versioned: versioned,
VersionSuspended: versionSuspended,
MTime: mtime,
WantChecksum: wantCRC,
}, nil
}
// default case of passing encryption headers and UserDefined metadata to backend
opts, err = getDefaultOpts(r.Header, false, metadata)
if err != nil {
return opts, err
}
opts.VersionID = vid
opts.Versioned = versioned
opts.VersionSuspended = versionSuspended
opts.MTime = mtime
opts.ReplicationSourceLegalholdTimestamp = lholdtimestmp
opts.ReplicationSourceRetentionTimestamp = retaintimestmp
opts.ReplicationSourceTaggingTimestamp = taggingtimestmp
opts.WantChecksum = wantCRC
return opts, nil
}
// get ObjectOptions for Copy calls with encryption headers provided on the target side and source side metadata
func copyDstOpts(ctx context.Context, r *http.Request, bucket, object string, metadata map[string]string) (opts ObjectOptions, err error) {
return putOpts(ctx, r, bucket, object, metadata)
}
// get ObjectOptions for Copy calls with encryption headers provided on the source side
func copySrcOpts(ctx context.Context, r *http.Request, bucket, object string) (ObjectOptions, error) {
var opts ObjectOptions
// default case of passing encryption headers to backend
opts, err := getDefaultOpts(r.Header, false, nil)
if err != nil {
return opts, err
}
return opts, nil
}
// get ObjectOptions for CompleteMultipart calls
func completeMultipartOpts(ctx context.Context, r *http.Request, bucket, object string) (opts ObjectOptions, err error) {
mtimeStr := strings.TrimSpace(r.Header.Get(xhttp.MinIOSourceMTime))
mtime := UTCNow()
if mtimeStr != "" {
mtime, err = time.Parse(time.RFC3339, mtimeStr)
if err != nil {
return opts, InvalidArgument{
Bucket: bucket,
Object: object,
Err: fmt.Errorf("Unable to parse %s, failed with %w", xhttp.MinIOSourceMTime, err),
}
}
}
opts.WantChecksum, err = hash.GetContentChecksum(r)
if err != nil {
return opts, InvalidArgument{
Bucket: bucket,
Object: object,
Err: fmt.Errorf("invalid/unknown checksum sent: %v", err),
}
}
opts.MTime = mtime
opts.UserDefined = make(map[string]string)
return opts, nil
}