mirror of
https://github.com/minio/minio.git
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794 lines
29 KiB
Go
794 lines
29 KiB
Go
/*
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* MinIO Cloud Storage, (C) 2018 MinIO, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package s3
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import (
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"bytes"
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"context"
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"io"
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"net/http"
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"path"
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"strconv"
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"strings"
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"time"
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"github.com/minio/minio-go/v7/pkg/encrypt"
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minio "github.com/minio/minio/cmd"
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"github.com/minio/minio/cmd/logger"
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)
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const (
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// name of custom multipart metadata file for s3 backend.
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gwdareMetaJSON string = "dare.meta"
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// name of temporary per part metadata file
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gwpartMetaJSON string = "part.meta"
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// custom multipart files are stored under the defaultMinioGWPrefix
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defaultMinioGWPrefix = ".minio"
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defaultGWContentFileName = "data"
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)
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// s3EncObjects is a wrapper around s3Objects and implements gateway calls for
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// custom large objects encrypted at the gateway
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type s3EncObjects struct {
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s3Objects
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}
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/*
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NOTE:
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Custom gateway encrypted objects are stored on backend as follows:
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obj/.minio/data <= encrypted content
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obj/.minio/dare.meta <= metadata
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When a multipart upload operation is in progress, the metadata set during
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NewMultipartUpload is stored in obj/.minio/uploadID/dare.meta and each
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UploadPart operation saves additional state of the part's encrypted ETag and
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encrypted size in obj/.minio/uploadID/part1/part.meta
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All the part metadata and temp dare.meta are cleaned up when upload completes
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*/
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// ListObjects lists all blobs in S3 bucket filtered by prefix
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func (l *s3EncObjects) ListObjects(ctx context.Context, bucket string, prefix string, marker string, delimiter string, maxKeys int) (loi minio.ListObjectsInfo, e error) {
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var continuationToken, startAfter string
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res, err := l.ListObjectsV2(ctx, bucket, prefix, continuationToken, delimiter, maxKeys, false, startAfter)
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if err != nil {
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return loi, err
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}
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loi.IsTruncated = res.IsTruncated
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loi.NextMarker = res.NextContinuationToken
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loi.Objects = res.Objects
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loi.Prefixes = res.Prefixes
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return loi, nil
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}
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// ListObjectsV2 lists all blobs in S3 bucket filtered by prefix
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func (l *s3EncObjects) ListObjectsV2(ctx context.Context, bucket, prefix, continuationToken, delimiter string, maxKeys int, fetchOwner bool, startAfter string) (loi minio.ListObjectsV2Info, e error) {
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var objects []minio.ObjectInfo
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var prefixes []string
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var isTruncated bool
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// filter out objects that contain a .minio prefix, but is not a dare.meta metadata file.
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for {
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loi, e = l.s3Objects.ListObjectsV2(ctx, bucket, prefix, continuationToken, delimiter, 1000, fetchOwner, startAfter)
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if e != nil {
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return loi, minio.ErrorRespToObjectError(e, bucket)
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}
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for _, obj := range loi.Objects {
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startAfter = obj.Name
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continuationToken = loi.NextContinuationToken
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isTruncated = loi.IsTruncated
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if !isGWObject(obj.Name) {
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continue
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}
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// get objectname and ObjectInfo from the custom metadata file
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if strings.HasSuffix(obj.Name, gwdareMetaJSON) {
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objSlice := strings.Split(obj.Name, minio.SlashSeparator+defaultMinioGWPrefix)
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gwMeta, e := l.getGWMetadata(ctx, bucket, getDareMetaPath(objSlice[0]))
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if e != nil {
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continue
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}
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oInfo := gwMeta.ToObjectInfo(bucket, objSlice[0])
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objects = append(objects, oInfo)
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} else {
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objects = append(objects, obj)
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}
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if len(objects) > maxKeys {
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break
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}
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}
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for _, p := range loi.Prefixes {
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objName := strings.TrimSuffix(p, minio.SlashSeparator)
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gm, err := l.getGWMetadata(ctx, bucket, getDareMetaPath(objName))
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// if prefix is actually a custom multi-part object, append it to objects
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if err == nil {
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objects = append(objects, gm.ToObjectInfo(bucket, objName))
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continue
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}
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isPrefix := l.isPrefix(ctx, bucket, p, fetchOwner, startAfter)
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if isPrefix {
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prefixes = append(prefixes, p)
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}
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}
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if (len(objects) > maxKeys) || !loi.IsTruncated {
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break
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}
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}
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loi.IsTruncated = isTruncated
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loi.ContinuationToken = continuationToken
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loi.Objects = make([]minio.ObjectInfo, 0)
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loi.Prefixes = make([]string, 0)
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loi.Objects = append(loi.Objects, objects...)
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for _, pfx := range prefixes {
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if pfx != prefix {
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loi.Prefixes = append(loi.Prefixes, pfx)
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}
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}
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// Set continuation token if s3 returned truncated list
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if isTruncated {
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if len(objects) > 0 {
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loi.NextContinuationToken = objects[len(objects)-1].Name
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}
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}
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return loi, nil
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}
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// isGWObject returns true if it is a custom object
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func isGWObject(objName string) bool {
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isEncrypted := strings.Contains(objName, defaultMinioGWPrefix)
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if !isEncrypted {
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return true
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}
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// ignore temp part.meta files
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if strings.Contains(objName, gwpartMetaJSON) {
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return false
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}
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pfxSlice := strings.Split(objName, minio.SlashSeparator)
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var i1, i2 int
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for i := len(pfxSlice) - 1; i >= 0; i-- {
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p := pfxSlice[i]
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if p == defaultMinioGWPrefix {
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i1 = i
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}
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if p == gwdareMetaJSON {
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i2 = i
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}
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if i1 > 0 && i2 > 0 {
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break
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}
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}
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// incomplete uploads would have a uploadID between defaultMinioGWPrefix and gwdareMetaJSON
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return i2 > 0 && i1 > 0 && i2-i1 == 1
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}
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// isPrefix returns true if prefix exists and is not an incomplete multipart upload entry
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func (l *s3EncObjects) isPrefix(ctx context.Context, bucket, prefix string, fetchOwner bool, startAfter string) bool {
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var continuationToken, delimiter string
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for {
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loi, e := l.s3Objects.ListObjectsV2(ctx, bucket, prefix, continuationToken, delimiter, 1000, fetchOwner, startAfter)
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if e != nil {
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return false
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}
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for _, obj := range loi.Objects {
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if isGWObject(obj.Name) {
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return true
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}
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}
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continuationToken = loi.NextContinuationToken
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if !loi.IsTruncated {
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break
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}
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}
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return false
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}
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// GetObject reads an object from S3. Supports additional
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// parameters like offset and length which are synonymous with
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// HTTP Range requests.
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func (l *s3EncObjects) GetObject(ctx context.Context, bucket string, key string, startOffset int64, length int64, writer io.Writer, etag string, opts minio.ObjectOptions) error {
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return l.getObject(ctx, bucket, key, startOffset, length, writer, etag, opts)
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}
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func (l *s3EncObjects) isGWEncrypted(ctx context.Context, bucket, object string) bool {
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_, err := l.s3Objects.GetObjectInfo(ctx, bucket, getDareMetaPath(object), minio.ObjectOptions{})
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return err == nil
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}
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// getDaremetadata fetches dare.meta from s3 backend and marshals into a structured format.
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func (l *s3EncObjects) getGWMetadata(ctx context.Context, bucket, metaFileName string) (m gwMetaV1, err error) {
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oi, err1 := l.s3Objects.GetObjectInfo(ctx, bucket, metaFileName, minio.ObjectOptions{})
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if err1 != nil {
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return m, err1
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}
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var buffer bytes.Buffer
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err = l.s3Objects.GetObject(ctx, bucket, metaFileName, 0, oi.Size, &buffer, oi.ETag, minio.ObjectOptions{})
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if err != nil {
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return m, err
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}
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return readGWMetadata(ctx, buffer)
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}
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// writes dare metadata to the s3 backend
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func (l *s3EncObjects) writeGWMetadata(ctx context.Context, bucket, metaFileName string, m gwMetaV1, o minio.ObjectOptions) error {
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reader, err := getGWMetadata(ctx, bucket, metaFileName, m)
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if err != nil {
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logger.LogIf(ctx, err)
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return err
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}
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_, err = l.s3Objects.PutObject(ctx, bucket, metaFileName, reader, o)
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return err
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}
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// returns path of temporary metadata json file for the upload
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func getTmpDareMetaPath(object, uploadID string) string {
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return path.Join(getGWMetaPath(object), uploadID, gwdareMetaJSON)
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}
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// returns path of metadata json file for encrypted objects
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func getDareMetaPath(object string) string {
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return path.Join(getGWMetaPath(object), gwdareMetaJSON)
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}
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// returns path of temporary part metadata file for multipart uploads
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func getPartMetaPath(object, uploadID string, partID int) string {
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return path.Join(object, defaultMinioGWPrefix, uploadID, strconv.Itoa(partID), gwpartMetaJSON)
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}
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// deletes the custom dare metadata file saved at the backend
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func (l *s3EncObjects) deleteGWMetadata(ctx context.Context, bucket, metaFileName string) (minio.ObjectInfo, error) {
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return l.s3Objects.DeleteObject(ctx, bucket, metaFileName, minio.ObjectOptions{})
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}
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func (l *s3EncObjects) getObject(ctx context.Context, bucket string, key string, startOffset int64, length int64, writer io.Writer, etag string, opts minio.ObjectOptions) error {
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var o minio.ObjectOptions
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if minio.GlobalGatewaySSE.SSEC() {
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o = opts
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}
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dmeta, err := l.getGWMetadata(ctx, bucket, getDareMetaPath(key))
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if err != nil {
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// unencrypted content
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return l.s3Objects.GetObject(ctx, bucket, key, startOffset, length, writer, etag, o)
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}
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if startOffset < 0 {
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logger.LogIf(ctx, minio.InvalidRange{})
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}
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// For negative length read everything.
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if length < 0 {
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length = dmeta.Stat.Size - startOffset
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}
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// Reply back invalid range if the input offset and length fall out of range.
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if startOffset > dmeta.Stat.Size || startOffset+length > dmeta.Stat.Size {
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logger.LogIf(ctx, minio.InvalidRange{OffsetBegin: startOffset, OffsetEnd: length, ResourceSize: dmeta.Stat.Size})
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return minio.InvalidRange{OffsetBegin: startOffset, OffsetEnd: length, ResourceSize: dmeta.Stat.Size}
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}
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// Get start part index and offset.
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_, partOffset, err := dmeta.ObjectToPartOffset(ctx, startOffset)
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if err != nil {
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return minio.InvalidRange{OffsetBegin: startOffset, OffsetEnd: length, ResourceSize: dmeta.Stat.Size}
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}
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// Calculate endOffset according to length
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endOffset := startOffset
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if length > 0 {
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endOffset += length - 1
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}
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// Get last part index to read given length.
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if _, _, err := dmeta.ObjectToPartOffset(ctx, endOffset); err != nil {
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return minio.InvalidRange{OffsetBegin: startOffset, OffsetEnd: length, ResourceSize: dmeta.Stat.Size}
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}
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return l.s3Objects.GetObject(ctx, bucket, key, partOffset, endOffset, writer, dmeta.ETag, o)
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}
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// GetObjectNInfo - returns object info and locked object ReadCloser
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func (l *s3EncObjects) GetObjectNInfo(ctx context.Context, bucket, object string, rs *minio.HTTPRangeSpec, h http.Header, lockType minio.LockType, o minio.ObjectOptions) (gr *minio.GetObjectReader, err error) {
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var opts minio.ObjectOptions
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if minio.GlobalGatewaySSE.SSEC() {
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opts = o
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}
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objInfo, err := l.GetObjectInfo(ctx, bucket, object, opts)
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if err != nil {
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return l.s3Objects.GetObjectNInfo(ctx, bucket, object, rs, h, lockType, opts)
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}
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fn, off, length, err := minio.NewGetObjectReader(rs, objInfo, o)
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if err != nil {
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return nil, minio.ErrorRespToObjectError(err)
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}
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if l.isGWEncrypted(ctx, bucket, object) {
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object = getGWContentPath(object)
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}
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pr, pw := io.Pipe()
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go func() {
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err := l.getObject(ctx, bucket, object, off, length, pw, objInfo.ETag, opts)
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pw.CloseWithError(err)
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}()
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// Setup cleanup function to cause the above go-routine to
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// exit in case of partial read
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pipeCloser := func() { pr.Close() }
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return fn(pr, h, o.CheckPrecondFn, pipeCloser)
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}
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// GetObjectInfo reads object info and replies back ObjectInfo
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// For custom gateway encrypted large objects, the ObjectInfo is retrieved from the dare.meta file.
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func (l *s3EncObjects) GetObjectInfo(ctx context.Context, bucket string, object string, o minio.ObjectOptions) (objInfo minio.ObjectInfo, err error) {
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var opts minio.ObjectOptions
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if minio.GlobalGatewaySSE.SSEC() {
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opts = o
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}
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gwMeta, err := l.getGWMetadata(ctx, bucket, getDareMetaPath(object))
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if err != nil {
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return l.s3Objects.GetObjectInfo(ctx, bucket, object, opts)
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}
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return gwMeta.ToObjectInfo(bucket, object), nil
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}
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// CopyObject copies an object from source bucket to a destination bucket.
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func (l *s3EncObjects) CopyObject(ctx context.Context, srcBucket string, srcObject string, dstBucket string, dstObject string, srcInfo minio.ObjectInfo, s, d minio.ObjectOptions) (objInfo minio.ObjectInfo, err error) {
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cpSrcDstSame := strings.EqualFold(path.Join(srcBucket, srcObject), path.Join(dstBucket, dstObject))
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if cpSrcDstSame {
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var gwMeta gwMetaV1
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if s.ServerSideEncryption != nil && d.ServerSideEncryption != nil &&
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((s.ServerSideEncryption.Type() == encrypt.SSEC && d.ServerSideEncryption.Type() == encrypt.SSEC) ||
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(s.ServerSideEncryption.Type() == encrypt.S3 && d.ServerSideEncryption.Type() == encrypt.S3)) {
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gwMeta, err = l.getGWMetadata(ctx, srcBucket, getDareMetaPath(srcObject))
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if err != nil {
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return
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}
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header := make(http.Header)
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if d.ServerSideEncryption != nil {
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d.ServerSideEncryption.Marshal(header)
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}
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for k, v := range header {
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srcInfo.UserDefined[k] = v[0]
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}
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gwMeta.Meta = srcInfo.UserDefined
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if err = l.writeGWMetadata(ctx, dstBucket, getDareMetaPath(dstObject), gwMeta, minio.ObjectOptions{}); err != nil {
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return objInfo, minio.ErrorRespToObjectError(err)
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}
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return gwMeta.ToObjectInfo(dstBucket, dstObject), nil
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}
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}
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dstOpts := minio.ObjectOptions{ServerSideEncryption: d.ServerSideEncryption, UserDefined: srcInfo.UserDefined}
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return l.PutObject(ctx, dstBucket, dstObject, srcInfo.PutObjReader, dstOpts)
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}
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// DeleteObject deletes a blob in bucket
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// For custom gateway encrypted large objects, cleans up encrypted content and metadata files
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// from the backend.
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func (l *s3EncObjects) DeleteObject(ctx context.Context, bucket string, object string, opts minio.ObjectOptions) (minio.ObjectInfo, error) {
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// Get dare meta json
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if _, err := l.getGWMetadata(ctx, bucket, getDareMetaPath(object)); err != nil {
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logger.LogIf(minio.GlobalContext, err)
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return l.s3Objects.DeleteObject(ctx, bucket, object, opts)
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}
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// delete encrypted object
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l.s3Objects.DeleteObject(ctx, bucket, getGWContentPath(object), opts)
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return l.deleteGWMetadata(ctx, bucket, getDareMetaPath(object))
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}
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// ListMultipartUploads lists all multipart uploads.
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func (l *s3EncObjects) ListMultipartUploads(ctx context.Context, bucket string, prefix string, keyMarker string, uploadIDMarker string, delimiter string, maxUploads int) (lmi minio.ListMultipartsInfo, e error) {
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lmi, e = l.s3Objects.ListMultipartUploads(ctx, bucket, prefix, keyMarker, uploadIDMarker, delimiter, maxUploads)
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if e != nil {
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return
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}
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lmi.KeyMarker = strings.TrimSuffix(lmi.KeyMarker, getGWContentPath(minio.SlashSeparator))
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lmi.NextKeyMarker = strings.TrimSuffix(lmi.NextKeyMarker, getGWContentPath(minio.SlashSeparator))
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for i := range lmi.Uploads {
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lmi.Uploads[i].Object = strings.TrimSuffix(lmi.Uploads[i].Object, getGWContentPath(minio.SlashSeparator))
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}
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return
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}
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// NewMultipartUpload uploads object in multiple parts
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func (l *s3EncObjects) NewMultipartUpload(ctx context.Context, bucket string, object string, o minio.ObjectOptions) (uploadID string, err error) {
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var sseOpts encrypt.ServerSide
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if o.ServerSideEncryption == nil {
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return l.s3Objects.NewMultipartUpload(ctx, bucket, object, minio.ObjectOptions{UserDefined: o.UserDefined})
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}
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// Decide if sse options needed to be passed to backend
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if (minio.GlobalGatewaySSE.SSEC() && o.ServerSideEncryption.Type() == encrypt.SSEC) ||
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(minio.GlobalGatewaySSE.SSES3() && o.ServerSideEncryption.Type() == encrypt.S3) {
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sseOpts = o.ServerSideEncryption
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}
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uploadID, err = l.s3Objects.NewMultipartUpload(ctx, bucket, getGWContentPath(object), minio.ObjectOptions{ServerSideEncryption: sseOpts})
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if err != nil {
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return
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}
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// Create uploadID and write a temporary dare.meta object under object/uploadID prefix
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gwmeta := newGWMetaV1()
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gwmeta.Meta = o.UserDefined
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gwmeta.Stat.ModTime = time.Now().UTC()
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err = l.writeGWMetadata(ctx, bucket, getTmpDareMetaPath(object, uploadID), gwmeta, minio.ObjectOptions{})
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if err != nil {
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return uploadID, minio.ErrorRespToObjectError(err)
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}
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return uploadID, nil
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}
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// PutObject creates a new object with the incoming data,
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func (l *s3EncObjects) PutObject(ctx context.Context, bucket string, object string, data *minio.PutObjReader, opts minio.ObjectOptions) (objInfo minio.ObjectInfo, err error) {
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var sseOpts encrypt.ServerSide
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// Decide if sse options needed to be passed to backend
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if opts.ServerSideEncryption != nil &&
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((minio.GlobalGatewaySSE.SSEC() && opts.ServerSideEncryption.Type() == encrypt.SSEC) ||
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(minio.GlobalGatewaySSE.SSES3() && opts.ServerSideEncryption.Type() == encrypt.S3) ||
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opts.ServerSideEncryption.Type() == encrypt.KMS) {
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sseOpts = opts.ServerSideEncryption
|
|
}
|
|
if opts.ServerSideEncryption == nil {
|
|
defer l.deleteGWMetadata(ctx, bucket, getDareMetaPath(object))
|
|
defer l.DeleteObject(ctx, bucket, getGWContentPath(object), opts)
|
|
return l.s3Objects.PutObject(ctx, bucket, object, data, minio.ObjectOptions{UserDefined: opts.UserDefined})
|
|
}
|
|
|
|
oi, err := l.s3Objects.PutObject(ctx, bucket, getGWContentPath(object), data, minio.ObjectOptions{ServerSideEncryption: sseOpts})
|
|
if err != nil {
|
|
return objInfo, minio.ErrorRespToObjectError(err)
|
|
}
|
|
|
|
gwMeta := newGWMetaV1()
|
|
gwMeta.Meta = make(map[string]string)
|
|
for k, v := range opts.UserDefined {
|
|
gwMeta.Meta[k] = v
|
|
}
|
|
encMD5 := data.MD5CurrentHexString()
|
|
|
|
gwMeta.ETag = encMD5
|
|
gwMeta.Stat.Size = oi.Size
|
|
gwMeta.Stat.ModTime = time.Now().UTC()
|
|
if err = l.writeGWMetadata(ctx, bucket, getDareMetaPath(object), gwMeta, minio.ObjectOptions{}); err != nil {
|
|
return objInfo, minio.ErrorRespToObjectError(err)
|
|
}
|
|
objInfo = gwMeta.ToObjectInfo(bucket, object)
|
|
// delete any unencrypted content of the same name created previously
|
|
l.s3Objects.DeleteObject(ctx, bucket, object, opts)
|
|
return objInfo, nil
|
|
}
|
|
|
|
// PutObjectPart puts a part of object in bucket
|
|
func (l *s3EncObjects) PutObjectPart(ctx context.Context, bucket string, object string, uploadID string, partID int, data *minio.PutObjReader, opts minio.ObjectOptions) (pi minio.PartInfo, e error) {
|
|
|
|
if opts.ServerSideEncryption == nil {
|
|
return l.s3Objects.PutObjectPart(ctx, bucket, object, uploadID, partID, data, opts)
|
|
}
|
|
|
|
var s3Opts minio.ObjectOptions
|
|
// for sse-s3 encryption options should not be passed to backend
|
|
if opts.ServerSideEncryption != nil && opts.ServerSideEncryption.Type() == encrypt.SSEC && minio.GlobalGatewaySSE.SSEC() {
|
|
s3Opts = opts
|
|
}
|
|
|
|
uploadPath := getTmpGWMetaPath(object, uploadID)
|
|
tmpDareMeta := path.Join(uploadPath, gwdareMetaJSON)
|
|
_, err := l.s3Objects.GetObjectInfo(ctx, bucket, tmpDareMeta, minio.ObjectOptions{})
|
|
if err != nil {
|
|
return pi, minio.InvalidUploadID{UploadID: uploadID}
|
|
}
|
|
|
|
pi, e = l.s3Objects.PutObjectPart(ctx, bucket, getGWContentPath(object), uploadID, partID, data, s3Opts)
|
|
if e != nil {
|
|
return
|
|
}
|
|
gwMeta := newGWMetaV1()
|
|
gwMeta.Parts = make([]minio.ObjectPartInfo, 1)
|
|
// Add incoming part.
|
|
gwMeta.Parts[0] = minio.ObjectPartInfo{
|
|
Number: partID,
|
|
ETag: pi.ETag,
|
|
Size: pi.Size,
|
|
}
|
|
gwMeta.ETag = data.MD5CurrentHexString() // encrypted ETag
|
|
gwMeta.Stat.Size = pi.Size
|
|
gwMeta.Stat.ModTime = pi.LastModified
|
|
|
|
if err = l.writeGWMetadata(ctx, bucket, getPartMetaPath(object, uploadID, partID), gwMeta, minio.ObjectOptions{}); err != nil {
|
|
return pi, minio.ErrorRespToObjectError(err)
|
|
}
|
|
return minio.PartInfo{
|
|
Size: gwMeta.Stat.Size,
|
|
ETag: minio.CanonicalizeETag(gwMeta.ETag),
|
|
LastModified: gwMeta.Stat.ModTime,
|
|
PartNumber: partID,
|
|
}, nil
|
|
}
|
|
|
|
// CopyObjectPart creates a part in a multipart upload by copying
|
|
// existing object or a part of it.
|
|
func (l *s3EncObjects) CopyObjectPart(ctx context.Context, srcBucket, srcObject, destBucket, destObject, uploadID string,
|
|
partID int, startOffset, length int64, srcInfo minio.ObjectInfo, srcOpts, dstOpts minio.ObjectOptions) (p minio.PartInfo, err error) {
|
|
return l.PutObjectPart(ctx, destBucket, destObject, uploadID, partID, srcInfo.PutObjReader, dstOpts)
|
|
}
|
|
|
|
// GetMultipartInfo returns multipart info of the uploadId of the object
|
|
func (l *s3EncObjects) GetMultipartInfo(ctx context.Context, bucket, object, uploadID string, opts minio.ObjectOptions) (result minio.MultipartInfo, err error) {
|
|
result.Bucket = bucket
|
|
result.Object = object
|
|
result.UploadID = uploadID
|
|
// We do not store parts uploaded so far in the dare.meta. Only CompleteMultipartUpload finalizes the parts under upload prefix.Otherwise,
|
|
// there could be situations of dare.meta getting corrupted by competing upload parts.
|
|
dm, err := l.getGWMetadata(ctx, bucket, getTmpDareMetaPath(object, uploadID))
|
|
if err != nil {
|
|
return l.s3Objects.GetMultipartInfo(ctx, bucket, object, uploadID, opts)
|
|
}
|
|
result.UserDefined = dm.ToObjectInfo(bucket, object).UserDefined
|
|
return result, nil
|
|
}
|
|
|
|
// ListObjectParts returns all object parts for specified object in specified bucket
|
|
func (l *s3EncObjects) ListObjectParts(ctx context.Context, bucket string, object string, uploadID string, partNumberMarker int, maxParts int, opts minio.ObjectOptions) (lpi minio.ListPartsInfo, e error) {
|
|
// We do not store parts uploaded so far in the dare.meta. Only CompleteMultipartUpload finalizes the parts under upload prefix.Otherwise,
|
|
// there could be situations of dare.meta getting corrupted by competing upload parts.
|
|
dm, err := l.getGWMetadata(ctx, bucket, getTmpDareMetaPath(object, uploadID))
|
|
if err != nil {
|
|
return l.s3Objects.ListObjectParts(ctx, bucket, object, uploadID, partNumberMarker, maxParts, opts)
|
|
}
|
|
|
|
lpi, err = l.s3Objects.ListObjectParts(ctx, bucket, getGWContentPath(object), uploadID, partNumberMarker, maxParts, opts)
|
|
if err != nil {
|
|
return lpi, err
|
|
}
|
|
for i, part := range lpi.Parts {
|
|
partMeta, err := l.getGWMetadata(ctx, bucket, getPartMetaPath(object, uploadID, part.PartNumber))
|
|
if err != nil || len(partMeta.Parts) == 0 {
|
|
return lpi, minio.InvalidPart{}
|
|
}
|
|
lpi.Parts[i].ETag = partMeta.ETag
|
|
}
|
|
lpi.UserDefined = dm.ToObjectInfo(bucket, object).UserDefined
|
|
lpi.Object = object
|
|
return lpi, nil
|
|
}
|
|
|
|
// AbortMultipartUpload aborts a ongoing multipart upload
|
|
func (l *s3EncObjects) AbortMultipartUpload(ctx context.Context, bucket string, object string, uploadID string) error {
|
|
if _, err := l.getGWMetadata(ctx, bucket, getTmpDareMetaPath(object, uploadID)); err != nil {
|
|
return l.s3Objects.AbortMultipartUpload(ctx, bucket, object, uploadID)
|
|
}
|
|
|
|
if err := l.s3Objects.AbortMultipartUpload(ctx, bucket, getGWContentPath(object), uploadID); err != nil {
|
|
return err
|
|
}
|
|
|
|
uploadPrefix := getTmpGWMetaPath(object, uploadID)
|
|
var continuationToken, startAfter, delimiter string
|
|
for {
|
|
loi, err := l.s3Objects.ListObjectsV2(ctx, bucket, uploadPrefix, continuationToken, delimiter, 1000, false, startAfter)
|
|
if err != nil {
|
|
return minio.InvalidUploadID{UploadID: uploadID}
|
|
}
|
|
for _, obj := range loi.Objects {
|
|
if _, err := l.s3Objects.DeleteObject(ctx, bucket, obj.Name, minio.ObjectOptions{}); err != nil {
|
|
return minio.ErrorRespToObjectError(err)
|
|
}
|
|
startAfter = obj.Name
|
|
}
|
|
continuationToken = loi.NextContinuationToken
|
|
if !loi.IsTruncated {
|
|
break
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// CompleteMultipartUpload completes ongoing multipart upload and finalizes object
|
|
func (l *s3EncObjects) CompleteMultipartUpload(ctx context.Context, bucket, object, uploadID string, uploadedParts []minio.CompletePart, opts minio.ObjectOptions) (oi minio.ObjectInfo, e error) {
|
|
|
|
tmpMeta, err := l.getGWMetadata(ctx, bucket, getTmpDareMetaPath(object, uploadID))
|
|
if err != nil {
|
|
oi, e = l.s3Objects.CompleteMultipartUpload(ctx, bucket, object, uploadID, uploadedParts, opts)
|
|
if e == nil {
|
|
// delete any encrypted version of object that might exist
|
|
defer l.deleteGWMetadata(ctx, bucket, getDareMetaPath(object))
|
|
defer l.DeleteObject(ctx, bucket, getGWContentPath(object), opts)
|
|
}
|
|
return oi, e
|
|
}
|
|
gwMeta := newGWMetaV1()
|
|
gwMeta.Meta = make(map[string]string)
|
|
for k, v := range tmpMeta.Meta {
|
|
gwMeta.Meta[k] = v
|
|
}
|
|
// Allocate parts similar to incoming slice.
|
|
gwMeta.Parts = make([]minio.ObjectPartInfo, len(uploadedParts))
|
|
|
|
bkUploadedParts := make([]minio.CompletePart, len(uploadedParts))
|
|
// Calculate full object size.
|
|
var objectSize int64
|
|
|
|
// Validate each part and then commit to disk.
|
|
for i, part := range uploadedParts {
|
|
partMeta, err := l.getGWMetadata(ctx, bucket, getPartMetaPath(object, uploadID, part.PartNumber))
|
|
if err != nil || len(partMeta.Parts) == 0 {
|
|
return oi, minio.InvalidPart{}
|
|
}
|
|
bkUploadedParts[i] = minio.CompletePart{PartNumber: part.PartNumber, ETag: partMeta.Parts[0].ETag}
|
|
gwMeta.Parts[i] = partMeta.Parts[0]
|
|
objectSize += partMeta.Parts[0].Size
|
|
}
|
|
oi, e = l.s3Objects.CompleteMultipartUpload(ctx, bucket, getGWContentPath(object), uploadID, bkUploadedParts, opts)
|
|
if e != nil {
|
|
return oi, e
|
|
}
|
|
|
|
//delete any unencrypted version of object that might be on the backend
|
|
defer l.s3Objects.DeleteObject(ctx, bucket, object, opts)
|
|
|
|
// Save the final object size and modtime.
|
|
gwMeta.Stat.Size = objectSize
|
|
gwMeta.Stat.ModTime = time.Now().UTC()
|
|
gwMeta.ETag = oi.ETag
|
|
|
|
if err = l.writeGWMetadata(ctx, bucket, getDareMetaPath(object), gwMeta, minio.ObjectOptions{}); err != nil {
|
|
return oi, minio.ErrorRespToObjectError(err)
|
|
}
|
|
// Clean up any uploaded parts that are not being committed by this CompleteMultipart operation
|
|
var continuationToken, startAfter, delimiter string
|
|
uploadPrefix := getTmpGWMetaPath(object, uploadID)
|
|
done := false
|
|
for {
|
|
loi, lerr := l.s3Objects.ListObjectsV2(ctx, bucket, uploadPrefix, continuationToken, delimiter, 1000, false, startAfter)
|
|
if lerr != nil {
|
|
break
|
|
}
|
|
for _, obj := range loi.Objects {
|
|
if !strings.HasPrefix(obj.Name, uploadPrefix) {
|
|
done = true
|
|
break
|
|
}
|
|
startAfter = obj.Name
|
|
l.s3Objects.DeleteObject(ctx, bucket, obj.Name, opts)
|
|
}
|
|
continuationToken = loi.NextContinuationToken
|
|
if !loi.IsTruncated || done {
|
|
break
|
|
}
|
|
}
|
|
|
|
return gwMeta.ToObjectInfo(bucket, object), nil
|
|
}
|
|
|
|
// getTmpGWMetaPath returns the prefix under which uploads in progress are stored on backend
|
|
func getTmpGWMetaPath(object, uploadID string) string {
|
|
return path.Join(object, defaultMinioGWPrefix, uploadID)
|
|
}
|
|
|
|
// getGWMetaPath returns the prefix under which custom object metadata and object are stored on backend after upload completes
|
|
func getGWMetaPath(object string) string {
|
|
return path.Join(object, defaultMinioGWPrefix)
|
|
}
|
|
|
|
// getGWContentPath returns the prefix under which custom object is stored on backend after upload completes
|
|
func getGWContentPath(object string) string {
|
|
return path.Join(object, defaultMinioGWPrefix, defaultGWContentFileName)
|
|
}
|
|
|
|
// Clean-up the stale incomplete encrypted multipart uploads. Should be run in a Go routine.
|
|
func (l *s3EncObjects) cleanupStaleEncMultipartUploads(ctx context.Context, cleanupInterval, expiry time.Duration) {
|
|
ticker := time.NewTicker(cleanupInterval)
|
|
defer ticker.Stop()
|
|
|
|
for {
|
|
select {
|
|
case <-ctx.Done():
|
|
return
|
|
case <-ticker.C:
|
|
l.cleanupStaleEncMultipartUploadsOnGW(ctx, expiry)
|
|
}
|
|
}
|
|
}
|
|
|
|
// cleanupStaleMultipartUploads removes old custom encryption multipart uploads on backend
|
|
func (l *s3EncObjects) cleanupStaleEncMultipartUploadsOnGW(ctx context.Context, expiry time.Duration) {
|
|
for {
|
|
buckets, err := l.s3Objects.ListBuckets(ctx)
|
|
if err != nil {
|
|
break
|
|
}
|
|
for _, b := range buckets {
|
|
expParts := l.getStalePartsForBucket(ctx, b.Name, expiry)
|
|
for k := range expParts {
|
|
l.s3Objects.DeleteObject(ctx, b.Name, k, minio.ObjectOptions{})
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func (l *s3EncObjects) getStalePartsForBucket(ctx context.Context, bucket string, expiry time.Duration) (expParts map[string]string) {
|
|
var prefix, continuationToken, delimiter, startAfter string
|
|
expParts = make(map[string]string)
|
|
now := time.Now()
|
|
for {
|
|
loi, err := l.s3Objects.ListObjectsV2(ctx, bucket, prefix, continuationToken, delimiter, 1000, false, startAfter)
|
|
if err != nil {
|
|
break
|
|
}
|
|
for _, obj := range loi.Objects {
|
|
startAfter = obj.Name
|
|
if !strings.Contains(obj.Name, defaultMinioGWPrefix) {
|
|
continue
|
|
}
|
|
|
|
if isGWObject(obj.Name) {
|
|
continue
|
|
}
|
|
|
|
// delete temporary part.meta or dare.meta files for incomplete uploads that are past expiry
|
|
if (strings.HasSuffix(obj.Name, gwpartMetaJSON) || strings.HasSuffix(obj.Name, gwdareMetaJSON)) &&
|
|
now.Sub(obj.ModTime) > expiry {
|
|
expParts[obj.Name] = ""
|
|
}
|
|
}
|
|
continuationToken = loi.NextContinuationToken
|
|
if !loi.IsTruncated {
|
|
break
|
|
}
|
|
}
|
|
return
|
|
}
|
|
|
|
func (l *s3EncObjects) DeleteBucket(ctx context.Context, bucket string, forceDelete bool) error {
|
|
var prefix, continuationToken, delimiter, startAfter string
|
|
expParts := make(map[string]string)
|
|
|
|
for {
|
|
loi, err := l.s3Objects.ListObjectsV2(ctx, bucket, prefix, continuationToken, delimiter, 1000, false, startAfter)
|
|
if err != nil {
|
|
break
|
|
}
|
|
for _, obj := range loi.Objects {
|
|
startAfter = obj.Name
|
|
if !strings.Contains(obj.Name, defaultMinioGWPrefix) {
|
|
return minio.BucketNotEmpty{}
|
|
}
|
|
if isGWObject(obj.Name) {
|
|
return minio.BucketNotEmpty{}
|
|
}
|
|
// delete temporary part.meta or dare.meta files for incomplete uploads
|
|
if strings.HasSuffix(obj.Name, gwpartMetaJSON) || strings.HasSuffix(obj.Name, gwdareMetaJSON) {
|
|
expParts[obj.Name] = ""
|
|
}
|
|
}
|
|
continuationToken = loi.NextContinuationToken
|
|
if !loi.IsTruncated {
|
|
break
|
|
}
|
|
}
|
|
for k := range expParts {
|
|
l.s3Objects.DeleteObject(ctx, bucket, k, minio.ObjectOptions{})
|
|
}
|
|
err := l.Client.RemoveBucket(ctx, bucket)
|
|
if err != nil {
|
|
return minio.ErrorRespToObjectError(err, bucket)
|
|
}
|
|
return nil
|
|
}
|