mirror of
https://github.com/minio/minio.git
synced 2024-12-26 23:25:54 -05:00
339 lines
9.6 KiB
Go
339 lines
9.6 KiB
Go
// 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/minio/minio/internal/crypto"
|
|
xhttp "github.com/minio/minio/internal/http"
|
|
"github.com/minio/minio/internal/logger"
|
|
)
|
|
|
|
// set encryption options for pass through to backend in the case of gateway and UserDefined metadata
|
|
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"
|
|
}
|
|
return
|
|
}
|
|
|
|
// get ObjectOptions for GET calls from encryption headers
|
|
func getOpts(ctx context.Context, r *http.Request, bucket, object string) (ObjectOptions, error) {
|
|
var (
|
|
encryption encrypt.ServerSide
|
|
opts ObjectOptions
|
|
)
|
|
|
|
var partNumber int
|
|
var err error
|
|
if pn := r.URL.Query().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.URL.Query().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 GlobalGatewaySSE.SSEC() && crypto.SSEC.IsRequested(r.Header) {
|
|
key, err := crypto.SSEC.ParseHTTP(r.Header)
|
|
if err != nil {
|
|
return opts, err
|
|
}
|
|
derivedKey := deriveClientKey(key, bucket, object)
|
|
encryption, err = encrypt.NewSSEC(derivedKey[:])
|
|
logger.CriticalIf(ctx, err)
|
|
return ObjectOptions{
|
|
ServerSideEncryption: encryption,
|
|
VersionID: vid,
|
|
PartNumber: partNumber,
|
|
}, nil
|
|
}
|
|
|
|
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,
|
|
}
|
|
}
|
|
|
|
}
|
|
return opts, nil
|
|
}
|
|
|
|
func delOpts(ctx context.Context, r *http.Request, bucket, object string) (opts ObjectOptions, err error) {
|
|
versioned := globalBucketVersioningSys.Enabled(bucket)
|
|
opts, err = getOpts(ctx, r, bucket, object)
|
|
if err != nil {
|
|
return opts, err
|
|
}
|
|
opts.Versioned = versioned
|
|
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,
|
|
}
|
|
}
|
|
}
|
|
|
|
purgeVersion := strings.TrimSpace(r.Header.Get(xhttp.MinIOSourceDeleteMarkerDelete))
|
|
if purgeVersion != "" {
|
|
switch purgeVersion {
|
|
case "true":
|
|
opts.VersionPurgeStatus = Complete
|
|
case "false":
|
|
default:
|
|
err = fmt.Errorf("Unable to parse %s, failed with %w", xhttp.MinIOSourceDeleteMarkerDelete, fmt.Errorf("DeleteMarkerPurge 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.Enabled(bucket)
|
|
vid := strings.TrimSpace(r.URL.Query().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),
|
|
}
|
|
}
|
|
}
|
|
etag := strings.TrimSpace(r.Header.Get(xhttp.MinIOSourceETag))
|
|
if etag != "" {
|
|
if metadata == nil {
|
|
metadata = make(map[string]string, 1)
|
|
}
|
|
metadata["etag"] = etag
|
|
}
|
|
|
|
// In the case of multipart custom format, the metadata needs to be checked in addition to header to see if it
|
|
// is SSE-S3 encrypted, primarily because S3 protocol does not require SSE-S3 headers in PutObjectPart calls
|
|
if GlobalGatewaySSE.SSES3() && (crypto.S3.IsRequested(r.Header) || crypto.S3.IsEncrypted(metadata)) {
|
|
return ObjectOptions{
|
|
ServerSideEncryption: encrypt.NewSSE(),
|
|
UserDefined: metadata,
|
|
VersionID: vid,
|
|
Versioned: versioned,
|
|
MTime: mtime,
|
|
}, nil
|
|
}
|
|
if GlobalGatewaySSE.SSEC() && crypto.SSEC.IsRequested(r.Header) {
|
|
opts, err = getOpts(ctx, r, bucket, object)
|
|
opts.VersionID = vid
|
|
opts.Versioned = versioned
|
|
opts.UserDefined = metadata
|
|
return
|
|
}
|
|
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,
|
|
MTime: mtime,
|
|
}, 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.MTime = mtime
|
|
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 (
|
|
ssec encrypt.ServerSide
|
|
opts ObjectOptions
|
|
)
|
|
|
|
if GlobalGatewaySSE.SSEC() && crypto.SSECopy.IsRequested(r.Header) {
|
|
key, err := crypto.SSECopy.ParseHTTP(r.Header)
|
|
if err != nil {
|
|
return opts, err
|
|
}
|
|
derivedKey := deriveClientKey(key, bucket, object)
|
|
ssec, err = encrypt.NewSSEC(derivedKey[:])
|
|
if err != nil {
|
|
return opts, err
|
|
}
|
|
return ObjectOptions{ServerSideEncryption: encrypt.SSECopy(ssec)}, nil
|
|
}
|
|
|
|
// default case of passing encryption headers to backend
|
|
opts, err := getDefaultOpts(r.Header, false, nil)
|
|
if err != nil {
|
|
return opts, err
|
|
}
|
|
return opts, nil
|
|
}
|