diff --git a/api/data/info.go b/api/data/info.go index 8530a7f9..21c03a13 100644 --- a/api/data/info.go +++ b/api/data/info.go @@ -45,6 +45,7 @@ type ( Created time.Time CreationEpoch uint64 HashSum string + MD5Sum string Owner user.ID Headers map[string]string } @@ -81,12 +82,12 @@ type ( ) // NotificationInfoFromObject creates new NotificationInfo from ObjectInfo. -func NotificationInfoFromObject(objInfo *ObjectInfo) *NotificationInfo { +func NotificationInfoFromObject(objInfo *ObjectInfo, md5Enabled bool) *NotificationInfo { return &NotificationInfo{ Name: objInfo.Name, Version: objInfo.VersionID(), Size: objInfo.Size, - HashSum: objInfo.HashSum, + HashSum: objInfo.ETag(md5Enabled), } } @@ -115,6 +116,13 @@ func (o *ObjectInfo) Address() oid.Address { return addr } +func (o *ObjectInfo) ETag(md5Enabled bool) string { + if md5Enabled && len(o.MD5Sum) > 0 { + return o.MD5Sum + } + return o.HashSum +} + func (b BucketSettings) Unversioned() bool { return b.Versioning == VersioningUnversioned } diff --git a/api/data/tree.go b/api/data/tree.go index 3959fc8f..5728eb36 100644 --- a/api/data/tree.go +++ b/api/data/tree.go @@ -56,6 +56,7 @@ type BaseNodeVersion struct { Timestamp uint64 Size uint64 ETag string + MD5 string FilePath string } @@ -86,14 +87,23 @@ type PartInfo struct { OID oid.ID `json:"oid"` Size uint64 `json:"size"` ETag string `json:"etag"` + MD5 string `json:"md5"` Created time.Time `json:"created"` } // ToHeaderString form short part representation to use in S3-Completed-Parts header. func (p *PartInfo) ToHeaderString() string { + // ETag value contains SHA256 checksum which is used while getting object parts attributes. return strconv.Itoa(p.Number) + "-" + strconv.FormatUint(p.Size, 10) + "-" + p.ETag } +func (p *PartInfo) GetETag(md5Enabled bool) string { + if md5Enabled && len(p.MD5) > 0 { + return p.MD5 + } + return p.ETag +} + // LockInfo is lock information to create appropriate tree node. type LockInfo struct { id uint64 diff --git a/api/handler/acl.go b/api/handler/acl.go index 37be4dd0..e3474413 100644 --- a/api/handler/acl.go +++ b/api/handler/acl.go @@ -466,7 +466,7 @@ func (h *handler) PutObjectACLHandler(w http.ResponseWriter, r *http.Request) { if updated { s := &SendNotificationParams{ Event: EventObjectACLPut, - NotificationInfo: data.NotificationInfoFromObject(objInfo), + NotificationInfo: data.NotificationInfoFromObject(objInfo, h.cfg.Features.MD5Enabled()), BktInfo: bktInfo, ReqInfo: reqInfo, } diff --git a/api/handler/api.go b/api/handler/api.go index e6aea4a4..31cdd61d 100644 --- a/api/handler/api.go +++ b/api/handler/api.go @@ -39,6 +39,7 @@ type ( IsResolveListAllow bool // True if ResolveZoneList contains allowed zones CompleteMultipartKeepalive time.Duration Kludge KludgeSettings + Features layer.FeatureSettings } PlacementPolicy interface { diff --git a/api/handler/attributes.go b/api/handler/attributes.go index 89cf8f41..eb14160d 100644 --- a/api/handler/attributes.go +++ b/api/handler/attributes.go @@ -1,6 +1,8 @@ package handler import ( + "encoding/base64" + "encoding/hex" "fmt" "net/http" "strconv" @@ -106,7 +108,7 @@ func (h *handler) GetObjectAttributesHandler(w http.ResponseWriter, r *http.Requ return } - if err = checkPreconditions(info, params.Conditional); err != nil { + if err = checkPreconditions(info, params.Conditional, h.cfg.Features.MD5Enabled()); err != nil { h.logAndSendError(w, "precondition failed", reqInfo, err) return } @@ -117,7 +119,7 @@ func (h *handler) GetObjectAttributesHandler(w http.ResponseWriter, r *http.Requ return } - response, err := encodeToObjectAttributesResponse(info, params) + response, err := encodeToObjectAttributesResponse(info, params, h.cfg.Features.MD5Enabled()) if err != nil { h.logAndSendError(w, "couldn't encode object info to response", reqInfo, err) return @@ -179,19 +181,23 @@ func parseGetObjectAttributeArgs(r *http.Request) (*GetObjectAttributesArgs, err return res, err } -func encodeToObjectAttributesResponse(info *data.ObjectInfo, p *GetObjectAttributesArgs) (*GetObjectAttributesResponse, error) { +func encodeToObjectAttributesResponse(info *data.ObjectInfo, p *GetObjectAttributesArgs, md5Enabled bool) (*GetObjectAttributesResponse, error) { resp := &GetObjectAttributesResponse{} for _, attr := range p.Attributes { switch attr { case eTag: - resp.ETag = info.HashSum + resp.ETag = info.ETag(md5Enabled) case storageClass: resp.StorageClass = "STANDARD" case objectSize: resp.ObjectSize = info.Size case checksum: - resp.Checksum = &Checksum{ChecksumSHA256: info.HashSum} + checksumBytes, err := hex.DecodeString(info.HashSum) + if err != nil { + return nil, fmt.Errorf("form upload attributes: %w", err) + } + resp.Checksum = &Checksum{ChecksumSHA256: base64.StdEncoding.EncodeToString(checksumBytes)} case objectParts: parts, err := formUploadAttributes(info, p.MaxParts, p.PartNumberMarker) if err != nil { @@ -219,10 +225,15 @@ func formUploadAttributes(info *data.ObjectInfo, maxParts, marker int) (*ObjectP if err != nil { return nil, fmt.Errorf("invalid completed part: %w", err) } + // ETag value contains SHA256 checksum. + checksumBytes, err := hex.DecodeString(part.ETag) + if err != nil { + return nil, fmt.Errorf("invalid sha256 checksum in completed part: %w", err) + } parts[i] = Part{ PartNumber: part.PartNumber, Size: int(part.Size), - ChecksumSHA256: part.ETag, + ChecksumSHA256: base64.StdEncoding.EncodeToString(checksumBytes), } } diff --git a/api/handler/attributes_test.go b/api/handler/attributes_test.go index 2889d73e..ca592955 100644 --- a/api/handler/attributes_test.go +++ b/api/handler/attributes_test.go @@ -1,6 +1,8 @@ package handler import ( + "encoding/base64" + "encoding/hex" "strings" "testing" @@ -24,11 +26,13 @@ func TestGetObjectPartsAttributes(t *testing.T) { multipartUpload := createMultipartUpload(hc, bktName, objMultipartName, map[string]string{}) etag, _ := uploadPart(hc, bktName, objMultipartName, multipartUpload.UploadID, 1, partSize) completeMultipartUpload(hc, bktName, objMultipartName, multipartUpload.UploadID, []string{etag}) + etagBytes, err := hex.DecodeString(etag) + require.NoError(t, err) result = getObjectAttributes(hc, bktName, objMultipartName, objectParts) require.NotNil(t, result.ObjectParts) require.Len(t, result.ObjectParts.Parts, 1) - require.Equal(t, etag, result.ObjectParts.Parts[0].ChecksumSHA256) + require.Equal(t, base64.StdEncoding.EncodeToString(etagBytes), result.ObjectParts.Parts[0].ChecksumSHA256) require.Equal(t, partSize, result.ObjectParts.Parts[0].Size) require.Equal(t, 1, result.ObjectParts.PartsCount) } diff --git a/api/handler/copy.go b/api/handler/copy.go index cefb5251..e240dafc 100644 --- a/api/handler/copy.go +++ b/api/handler/copy.go @@ -164,7 +164,7 @@ func (h *handler) CopyObjectHandler(w http.ResponseWriter, r *http.Request) { } } - if err = checkPreconditions(srcObjInfo, args.Conditional); err != nil { + if err = checkPreconditions(srcObjInfo, args.Conditional, h.cfg.Features.MD5Enabled()); err != nil { h.logAndSendError(w, "precondition failed", reqInfo, errors.GetAPIError(errors.ErrPreconditionFailed)) return } @@ -210,7 +210,7 @@ func (h *handler) CopyObjectHandler(w http.ResponseWriter, r *http.Request) { } dstObjInfo := extendedDstObjInfo.ObjectInfo - if err = middleware.EncodeToResponse(w, &CopyObjectResponse{LastModified: dstObjInfo.Created.UTC().Format(time.RFC3339), ETag: dstObjInfo.HashSum}); err != nil { + if err = middleware.EncodeToResponse(w, &CopyObjectResponse{LastModified: dstObjInfo.Created.UTC().Format(time.RFC3339), ETag: dstObjInfo.ETag(h.cfg.Features.MD5Enabled())}); err != nil { h.logAndSendError(w, "something went wrong", reqInfo, err, additional...) return } @@ -254,7 +254,7 @@ func (h *handler) CopyObjectHandler(w http.ResponseWriter, r *http.Request) { s := &SendNotificationParams{ Event: EventObjectCreatedCopy, - NotificationInfo: data.NotificationInfoFromObject(dstObjInfo), + NotificationInfo: data.NotificationInfoFromObject(dstObjInfo, h.cfg.Features.MD5Enabled()), BktInfo: dstBktInfo, ReqInfo: reqInfo, } diff --git a/api/handler/get.go b/api/handler/get.go index 86d5b9c2..c2b6dd27 100644 --- a/api/handler/get.go +++ b/api/handler/get.go @@ -78,7 +78,8 @@ func addSSECHeaders(responseHeader http.Header, requestHeader http.Header) { responseHeader.Set(api.AmzServerSideEncryptionCustomerKeyMD5, requestHeader.Get(api.AmzServerSideEncryptionCustomerKeyMD5)) } -func writeHeaders(h http.Header, requestHeader http.Header, extendedInfo *data.ExtendedObjectInfo, tagSetLength int, isBucketUnversioned bool) { +func writeHeaders(h http.Header, requestHeader http.Header, extendedInfo *data.ExtendedObjectInfo, tagSetLength int, + isBucketUnversioned, md5Enabled bool) { info := extendedInfo.ObjectInfo if len(info.ContentType) > 0 && h.Get(api.ContentType) == "" { h.Set(api.ContentType, info.ContentType) @@ -94,7 +95,8 @@ func writeHeaders(h http.Header, requestHeader http.Header, extendedInfo *data.E h.Set(api.ContentLength, strconv.FormatUint(info.Size, 10)) } - h.Set(api.ETag, info.HashSum) + h.Set(api.ETag, info.ETag(md5Enabled)) + h.Set(api.AmzTaggingCount, strconv.Itoa(tagSetLength)) if !isBucketUnversioned { @@ -151,7 +153,7 @@ func (h *handler) GetObjectHandler(w http.ResponseWriter, r *http.Request) { } info := extendedInfo.ObjectInfo - if err = checkPreconditions(info, conditional); err != nil { + if err = checkPreconditions(info, conditional, h.cfg.Features.MD5Enabled()); err != nil { h.logAndSendError(w, "precondition failed", reqInfo, err) return } @@ -219,7 +221,7 @@ func (h *handler) GetObjectHandler(w http.ResponseWriter, r *http.Request) { return } - writeHeaders(w.Header(), r.Header, extendedInfo, len(tagSet), bktSettings.Unversioned()) + writeHeaders(w.Header(), r.Header, extendedInfo, len(tagSet), bktSettings.Unversioned(), h.cfg.Features.MD5Enabled()) if params != nil { writeRangeHeaders(w, params, fullSize) } else { @@ -232,12 +234,13 @@ func (h *handler) GetObjectHandler(w http.ResponseWriter, r *http.Request) { } } -func checkPreconditions(info *data.ObjectInfo, args *conditionalArgs) error { - if len(args.IfMatch) > 0 && args.IfMatch != info.HashSum { - return fmt.Errorf("%w: etag mismatched: '%s', '%s'", errors.GetAPIError(errors.ErrPreconditionFailed), args.IfMatch, info.HashSum) +func checkPreconditions(info *data.ObjectInfo, args *conditionalArgs, md5Enabled bool) error { + etag := info.ETag(md5Enabled) + if len(args.IfMatch) > 0 && args.IfMatch != etag { + return fmt.Errorf("%w: etag mismatched: '%s', '%s'", errors.GetAPIError(errors.ErrPreconditionFailed), args.IfMatch, etag) } - if len(args.IfNoneMatch) > 0 && args.IfNoneMatch == info.HashSum { - return fmt.Errorf("%w: etag matched: '%s', '%s'", errors.GetAPIError(errors.ErrNotModified), args.IfNoneMatch, info.HashSum) + if len(args.IfNoneMatch) > 0 && args.IfNoneMatch == etag { + return fmt.Errorf("%w: etag matched: '%s', '%s'", errors.GetAPIError(errors.ErrNotModified), args.IfNoneMatch, etag) } if args.IfModifiedSince != nil && info.Created.Before(*args.IfModifiedSince) { return fmt.Errorf("%w: not modified since '%s', last modified '%s'", errors.GetAPIError(errors.ErrNotModified), diff --git a/api/handler/get_test.go b/api/handler/get_test.go index 2bbaeda5..08411f12 100644 --- a/api/handler/get_test.go +++ b/api/handler/get_test.go @@ -147,7 +147,7 @@ func TestPreconditions(t *testing.T) { }, } { t.Run(tc.name, func(t *testing.T) { - actual := checkPreconditions(tc.info, tc.args) + actual := checkPreconditions(tc.info, tc.args, false) if tc.expected == nil { require.NoError(t, actual) } else { @@ -197,6 +197,19 @@ func TestGetObject(t *testing.T) { getObjectAssertS3Error(hc, bktName, objName, emptyVersion, errors.ErrNoSuchKey) } +func TestGetObjectEnabledMD5(t *testing.T) { + hc := prepareHandlerContext(t) + bktName, objName := "bucket", "obj" + _, objInfo := createBucketAndObject(hc, bktName, objName) + + _, headers := getObject(hc, bktName, objName) + require.Equal(t, objInfo.HashSum, headers.Get(api.ETag)) + + hc.features.SetMD5Enabled(true) + _, headers = getObject(hc, bktName, objName) + require.Equal(t, objInfo.MD5Sum, headers.Get(api.ETag)) +} + func putObjectContent(hc *handlerContext, bktName, objName, content string) { body := bytes.NewReader([]byte(content)) w, r := prepareTestPayloadRequest(hc, bktName, objName, body) diff --git a/api/handler/handlers_test.go b/api/handler/handlers_test.go index c864f5e9..b1270a2c 100644 --- a/api/handler/handlers_test.go +++ b/api/handler/handlers_test.go @@ -39,7 +39,7 @@ type handlerContext struct { context context.Context kludge *kludgeSettingsMock - layerFeatures *layer.FeatureSettingsMock + features *layer.FeatureSettingsMock } func (hc *handlerContext) Handler() *handler { @@ -148,6 +148,7 @@ func prepareHandlerContextBase(t *testing.T, minCache bool) *handlerContext { Policy: &placementPolicyMock{defaultPolicy: pp}, XMLDecoder: &xmlDecoderProviderMock{}, Kludge: kludge, + Features: features, }, } @@ -160,7 +161,7 @@ func prepareHandlerContextBase(t *testing.T, minCache bool) *handlerContext { context: middleware.SetBoxData(context.Background(), newTestAccessBox(t, key)), kludge: kludge, - layerFeatures: features, + features: features, } } diff --git a/api/handler/head.go b/api/handler/head.go index a2f1f143..9b800d88 100644 --- a/api/handler/head.go +++ b/api/handler/head.go @@ -65,7 +65,7 @@ func (h *handler) HeadObjectHandler(w http.ResponseWriter, r *http.Request) { return } - if err = checkPreconditions(info, conditional); err != nil { + if err = checkPreconditions(info, conditional, h.cfg.Features.MD5Enabled()); err != nil { h.logAndSendError(w, "precondition failed", reqInfo, err) return } @@ -118,7 +118,7 @@ func (h *handler) HeadObjectHandler(w http.ResponseWriter, r *http.Request) { return } - writeHeaders(w.Header(), r.Header, extendedInfo, len(tagSet), bktSettings.Unversioned()) + writeHeaders(w.Header(), r.Header, extendedInfo, len(tagSet), bktSettings.Unversioned(), h.cfg.Features.MD5Enabled()) w.WriteHeader(http.StatusOK) } diff --git a/api/handler/multipart_upload.go b/api/handler/multipart_upload.go index 04ec8b22..dfe6f486 100644 --- a/api/handler/multipart_upload.go +++ b/api/handler/multipart_upload.go @@ -243,6 +243,7 @@ func (h *handler) UploadPartHandler(w http.ResponseWriter, r *http.Request) { PartNumber: partNumber, Size: size, Reader: body, + ContentMD5: r.Header.Get(api.ContentMD5), } p.Info.Encryption, err = formEncryptionParams(r) @@ -336,7 +337,7 @@ func (h *handler) UploadPartCopy(w http.ResponseWriter, r *http.Request) { return } - if err = checkPreconditions(srcInfo, args.Conditional); err != nil { + if err = checkPreconditions(srcInfo, args.Conditional, h.cfg.Features.MD5Enabled()); err != nil { h.logAndSendError(w, "precondition failed", reqInfo, errors.GetAPIError(errors.ErrPreconditionFailed), additional...) return @@ -373,8 +374,8 @@ func (h *handler) UploadPartCopy(w http.ResponseWriter, r *http.Request) { } response := UploadPartCopyResponse{ - ETag: info.HashSum, LastModified: info.Created.UTC().Format(time.RFC3339), + ETag: info.ETag(h.cfg.Features.MD5Enabled()), } if p.Info.Encryption.Enabled() { @@ -449,8 +450,8 @@ func (h *handler) CompleteMultipartUploadHandler(w http.ResponseWriter, r *http. response := CompleteMultipartUploadResponse{ Bucket: objInfo.Bucket, - ETag: objInfo.HashSum, Key: objInfo.Name, + ETag: objInfo.ETag(h.cfg.Features.MD5Enabled()), } // Here we previously set api.AmzVersionID header for versioned bucket. @@ -514,7 +515,7 @@ func (h *handler) completeMultipartUpload(r *http.Request, c *layer.CompleteMult s := &SendNotificationParams{ Event: EventObjectCreatedCompleteMultipartUpload, - NotificationInfo: data.NotificationInfoFromObject(objInfo), + NotificationInfo: data.NotificationInfoFromObject(objInfo, h.cfg.Features.MD5Enabled()), BktInfo: bktInfo, ReqInfo: reqInfo, } diff --git a/api/handler/multipart_upload_test.go b/api/handler/multipart_upload_test.go index df4c52a9..370ce4f7 100644 --- a/api/handler/multipart_upload_test.go +++ b/api/handler/multipart_upload_test.go @@ -2,6 +2,8 @@ package handler import ( "bytes" + "crypto/md5" + "encoding/hex" "encoding/xml" "fmt" "net/http" @@ -255,6 +257,32 @@ func TestListParts(t *testing.T) { require.Len(t, list.Parts, 0) } +func TestMultipartUploadEnabledMD5(t *testing.T) { + hc := prepareHandlerContext(t) + hc.features.SetMD5Enabled(true) + + bktName, objName := "bucket-md5", "object-md5" + createTestBucket(hc, bktName) + + partSize := 5 * 1024 * 1024 + multipartUpload := createMultipartUpload(hc, bktName, objName, map[string]string{}) + etag1, partBody1 := uploadPart(hc, bktName, objName, multipartUpload.UploadID, 1, partSize) + md5Sum1 := md5.Sum(partBody1) + require.Equal(t, hex.EncodeToString(md5Sum1[:]), etag1) + + etag2, partBody2 := uploadPart(hc, bktName, objName, multipartUpload.UploadID, 2, partSize) + md5Sum2 := md5.Sum(partBody2) + require.Equal(t, hex.EncodeToString(md5Sum2[:]), etag2) + + w := completeMultipartUploadBase(hc, bktName, objName, multipartUpload.UploadID, []string{etag1, etag2}) + assertStatus(t, w, http.StatusOK) + resp := &CompleteMultipartUploadResponse{} + err := xml.NewDecoder(w.Result().Body).Decode(resp) + require.NoError(t, err) + completeMD5Sum := md5.Sum(append(md5Sum1[:], md5Sum2[:]...)) + require.Equal(t, hex.EncodeToString(completeMD5Sum[:])+"-2", resp.ETag) +} + func uploadPartCopy(hc *handlerContext, bktName, objName, uploadID string, num int, srcObj string, start, end int) *UploadPartCopyResponse { return uploadPartCopyBase(hc, bktName, objName, false, uploadID, num, srcObj, start, end) } diff --git a/api/handler/object_list.go b/api/handler/object_list.go index aa3db7ae..da95e056 100644 --- a/api/handler/object_list.go +++ b/api/handler/object_list.go @@ -33,12 +33,12 @@ func (h *handler) ListObjectsV1Handler(w http.ResponseWriter, r *http.Request) { return } - if err = middleware.EncodeToResponse(w, encodeV1(params, list)); err != nil { + if err = middleware.EncodeToResponse(w, h.encodeV1(params, list)); err != nil { h.logAndSendError(w, "something went wrong", reqInfo, err) } } -func encodeV1(p *layer.ListObjectsParamsV1, list *layer.ListObjectsInfoV1) *ListObjectsV1Response { +func (h *handler) encodeV1(p *layer.ListObjectsParamsV1, list *layer.ListObjectsInfoV1) *ListObjectsV1Response { res := &ListObjectsV1Response{ Name: p.BktInfo.Name, EncodingType: p.Encode, @@ -52,7 +52,7 @@ func encodeV1(p *layer.ListObjectsParamsV1, list *layer.ListObjectsInfoV1) *List res.CommonPrefixes = fillPrefixes(list.Prefixes, p.Encode) - res.Contents = fillContentsWithOwner(list.Objects, p.Encode) + res.Contents = fillContentsWithOwner(list.Objects, p.Encode, h.cfg.Features.MD5Enabled()) return res } @@ -77,12 +77,12 @@ func (h *handler) ListObjectsV2Handler(w http.ResponseWriter, r *http.Request) { return } - if err = middleware.EncodeToResponse(w, encodeV2(params, list)); err != nil { + if err = middleware.EncodeToResponse(w, h.encodeV2(params, list)); err != nil { h.logAndSendError(w, "something went wrong", reqInfo, err) } } -func encodeV2(p *layer.ListObjectsParamsV2, list *layer.ListObjectsInfoV2) *ListObjectsV2Response { +func (h *handler) encodeV2(p *layer.ListObjectsParamsV2, list *layer.ListObjectsInfoV2) *ListObjectsV2Response { res := &ListObjectsV2Response{ Name: p.BktInfo.Name, EncodingType: p.Encode, @@ -98,7 +98,7 @@ func encodeV2(p *layer.ListObjectsParamsV2, list *layer.ListObjectsInfoV2) *List res.CommonPrefixes = fillPrefixes(list.Prefixes, p.Encode) - res.Contents = fillContents(list.Objects, p.Encode, p.FetchOwner) + res.Contents = fillContents(list.Objects, p.Encode, p.FetchOwner, h.cfg.Features.MD5Enabled()) return res } @@ -184,18 +184,18 @@ func fillPrefixes(src []string, encode string) []CommonPrefix { return dst } -func fillContentsWithOwner(src []*data.ObjectInfo, encode string) []Object { - return fillContents(src, encode, true) +func fillContentsWithOwner(src []*data.ObjectInfo, encode string, md5Enabled bool) []Object { + return fillContents(src, encode, true, md5Enabled) } -func fillContents(src []*data.ObjectInfo, encode string, fetchOwner bool) []Object { +func fillContents(src []*data.ObjectInfo, encode string, fetchOwner, md5Enabled bool) []Object { var dst []Object for _, obj := range src { res := Object{ Key: s3PathEncode(obj.Name, encode), Size: obj.Size, LastModified: obj.Created.UTC().Format(time.RFC3339), - ETag: obj.HashSum, + ETag: obj.ETag(md5Enabled), } if size, err := layer.GetObjectSize(obj); err == nil { @@ -233,7 +233,7 @@ func (h *handler) ListBucketObjectVersionsHandler(w http.ResponseWriter, r *http return } - response := encodeListObjectVersionsToResponse(info, p.BktInfo.Name) + response := encodeListObjectVersionsToResponse(info, p.BktInfo.Name, h.cfg.Features.MD5Enabled()) if err = middleware.EncodeToResponse(w, response); err != nil { h.logAndSendError(w, "something went wrong", reqInfo, err) } @@ -261,7 +261,7 @@ func parseListObjectVersionsRequest(reqInfo *middleware.ReqInfo) (*layer.ListObj return &res, nil } -func encodeListObjectVersionsToResponse(info *layer.ListObjectVersionsInfo, bucketName string) *ListObjectsVersionsResponse { +func encodeListObjectVersionsToResponse(info *layer.ListObjectVersionsInfo, bucketName string, md5Enabled bool) *ListObjectsVersionsResponse { res := ListObjectsVersionsResponse{ Name: bucketName, IsTruncated: info.IsTruncated, @@ -286,7 +286,7 @@ func encodeListObjectVersionsToResponse(info *layer.ListObjectVersionsInfo, buck }, Size: ver.ObjectInfo.Size, VersionID: ver.Version(), - ETag: ver.ObjectInfo.HashSum, + ETag: ver.ObjectInfo.ETag(md5Enabled), }) } // this loop is not starting till versioning is not implemented diff --git a/api/handler/put.go b/api/handler/put.go index 5c02078b..15d77faf 100644 --- a/api/handler/put.go +++ b/api/handler/put.go @@ -242,6 +242,7 @@ func (h *handler) PutObjectHandler(w http.ResponseWriter, r *http.Request) { Size: size, Header: metadata, Encryption: encryptionParams, + ContentMD5: r.Header.Get(api.ContentMD5), } params.CopiesNumbers, err = h.pickCopiesNumbers(metadata, bktInfo.LocationConstraint) @@ -273,7 +274,7 @@ func (h *handler) PutObjectHandler(w http.ResponseWriter, r *http.Request) { s := &SendNotificationParams{ Event: EventObjectCreatedPut, - NotificationInfo: data.NotificationInfoFromObject(objInfo), + NotificationInfo: data.NotificationInfoFromObject(objInfo, h.cfg.Features.MD5Enabled()), BktInfo: bktInfo, ReqInfo: reqInfo, } @@ -324,7 +325,8 @@ func (h *handler) PutObjectHandler(w http.ResponseWriter, r *http.Request) { addSSECHeaders(w.Header(), r.Header) } - w.Header().Set(api.ETag, objInfo.HashSum) + w.Header().Set(api.ETag, objInfo.ETag(h.cfg.Features.MD5Enabled())) + middleware.WriteSuccessResponseHeadersOnly(w) } @@ -490,7 +492,7 @@ func (h *handler) PostObject(w http.ResponseWriter, r *http.Request) { s := &SendNotificationParams{ Event: EventObjectCreatedPost, - NotificationInfo: data.NotificationInfoFromObject(objInfo), + NotificationInfo: data.NotificationInfoFromObject(objInfo, h.cfg.Features.MD5Enabled()), BktInfo: bktInfo, ReqInfo: reqInfo, } @@ -559,7 +561,7 @@ func (h *handler) PostObject(w http.ResponseWriter, r *http.Request) { resp := &PostResponse{ Bucket: objInfo.Bucket, Key: objInfo.Name, - ETag: objInfo.HashSum, + ETag: objInfo.ETag(h.cfg.Features.MD5Enabled()), } w.WriteHeader(status) if _, err = w.Write(middleware.EncodeResponse(resp)); err != nil { @@ -569,7 +571,7 @@ func (h *handler) PostObject(w http.ResponseWriter, r *http.Request) { } } - w.Header().Set(api.ETag, objInfo.HashSum) + w.Header().Set(api.ETag, objInfo.ETag(h.cfg.Features.MD5Enabled())) w.WriteHeader(status) } diff --git a/api/handler/put_test.go b/api/handler/put_test.go index 1e21047d..d88ec173 100644 --- a/api/handler/put_test.go +++ b/api/handler/put_test.go @@ -3,7 +3,10 @@ package handler import ( "bytes" "context" + "crypto/md5" "crypto/rand" + "encoding/base64" + "encoding/hex" "encoding/json" "errors" "io" @@ -194,6 +197,37 @@ func TestPutObjectWithWrapReaderDiscardOnError(t *testing.T) { require.Equal(t, numGoroutineBefore, numGoroutineAfter, "goroutines shouldn't leak during put object") } +func TestPutObjectWithInvalidContentMD5(t *testing.T) { + tc := prepareHandlerContext(t) + tc.features.SetMD5Enabled(true) + + bktName, objName := "bucket-for-put", "object-for-put" + createTestBucket(tc, bktName) + + content := []byte("content") + w, r := prepareTestPayloadRequest(tc, bktName, objName, bytes.NewReader(content)) + r.Header.Set(api.ContentMD5, base64.StdEncoding.EncodeToString([]byte("invalid"))) + tc.Handler().PutObjectHandler(w, r) + assertS3Error(t, w, s3errors.GetAPIError(s3errors.ErrInvalidDigest)) + + checkNotFound(t, tc, bktName, objName, emptyVersion) +} + +func TestPutObjectWithEnabledMD5(t *testing.T) { + tc := prepareHandlerContext(t) + tc.features.SetMD5Enabled(true) + + bktName, objName := "bucket-for-put", "object-for-put" + createTestBucket(tc, bktName) + + content := []byte("content") + md5Hash := md5.New() + md5Hash.Write(content) + w, r := prepareTestPayloadRequest(tc, bktName, objName, bytes.NewReader(content)) + tc.Handler().PutObjectHandler(w, r) + require.Equal(t, hex.EncodeToString(md5Hash.Sum(nil)), w.Header().Get(api.ETag)) +} + func TestPutObjectWithStreamBodyAWSExample(t *testing.T) { hc := prepareHandlerContext(t) @@ -320,7 +354,7 @@ func TestPutObjectClientCut(t *testing.T) { obj1 := getObjectFromLayer(hc, objName1)[0] require.Empty(t, getObjectAttribute(obj1, "s3-client-cut")) - hc.layerFeatures.SetClientCut(true) + hc.features.SetClientCut(true) putObject(hc, bktName, objName2) obj2 := getObjectFromLayer(hc, objName2)[0] require.Equal(t, "true", getObjectAttribute(obj2, "s3-client-cut")) diff --git a/api/layer/cors.go b/api/layer/cors.go index 180f6019..d6d1cc13 100644 --- a/api/layer/cors.go +++ b/api/layer/cors.go @@ -45,7 +45,7 @@ func (n *layer) PutBucketCORS(ctx context.Context, p *PutCORSParams) error { CopiesNumber: p.CopiesNumbers, } - _, objID, _, err := n.objectPutAndHash(ctx, prm, p.BktInfo) + _, objID, _, _, err := n.objectPutAndHash(ctx, prm, p.BktInfo) if err != nil { return fmt.Errorf("put system object: %w", err) } diff --git a/api/layer/frostfs_mock.go b/api/layer/frostfs_mock.go index 32eac88b..1ca9fe98 100644 --- a/api/layer/frostfs_mock.go +++ b/api/layer/frostfs_mock.go @@ -26,7 +26,8 @@ import ( ) type FeatureSettingsMock struct { - clientCut bool + clientCut bool + md5Enabled bool } func (k *FeatureSettingsMock) ClientCut() bool { @@ -37,6 +38,14 @@ func (k *FeatureSettingsMock) SetClientCut(clientCut bool) { k.clientCut = clientCut } +func (k *FeatureSettingsMock) MD5Enabled() bool { + return k.md5Enabled +} + +func (k *FeatureSettingsMock) SetMD5Enabled(md5Enabled bool) { + k.md5Enabled = md5Enabled +} + type TestFrostFS struct { FrostFS diff --git a/api/layer/layer.go b/api/layer/layer.go index 69e23cd9..25465cdc 100644 --- a/api/layer/layer.go +++ b/api/layer/layer.go @@ -48,6 +48,7 @@ type ( FeatureSettings interface { ClientCut() bool + MD5Enabled() bool } layer struct { @@ -109,14 +110,16 @@ type ( // PutObjectParams stores object put request parameters. PutObjectParams struct { - BktInfo *data.BucketInfo - Object string - Size uint64 - Reader io.Reader - Header map[string]string - Lock *data.ObjectLock - Encryption encryption.Params - CopiesNumbers []uint32 + BktInfo *data.BucketInfo + Object string + Size uint64 + Reader io.Reader + Header map[string]string + Lock *data.ObjectLock + Encryption encryption.Params + CopiesNumbers []uint32 + CompleteMD5Hash string + ContentMD5 string } PutCombinedObjectParams struct { diff --git a/api/layer/multipart_upload.go b/api/layer/multipart_upload.go index 39fe378c..f41b4df7 100644 --- a/api/layer/multipart_upload.go +++ b/api/layer/multipart_upload.go @@ -3,6 +3,8 @@ package layer import ( "bytes" "context" + "crypto/md5" + "encoding/base64" "encoding/hex" "encoding/json" "errors" @@ -68,6 +70,7 @@ type ( PartNumber int Size uint64 Reader io.Reader + ContentMD5 string } UploadCopyParams struct { @@ -197,7 +200,7 @@ func (n *layer) UploadPart(ctx context.Context, p *UploadPartParams) (string, er return "", err } - return objInfo.HashSum, nil + return objInfo.ETag(n.features.MD5Enabled()), nil } func (n *layer) uploadPart(ctx context.Context, multipartInfo *data.MultipartInfo, p *UploadPartParams) (*data.ObjectInfo, error) { @@ -230,10 +233,28 @@ func (n *layer) uploadPart(ctx context.Context, multipartInfo *data.MultipartInf prm.Attributes[0][0], prm.Attributes[0][1] = UploadIDAttributeName, p.Info.UploadID prm.Attributes[1][0], prm.Attributes[1][1] = UploadPartNumberAttributeName, strconv.Itoa(p.PartNumber) - size, id, hash, err := n.objectPutAndHash(ctx, prm, bktInfo) + size, id, hash, md5Hash, err := n.objectPutAndHash(ctx, prm, bktInfo) if err != nil { return nil, err } + if len(p.ContentMD5) > 0 { + hashBytes, err := base64.StdEncoding.DecodeString(p.ContentMD5) + if err != nil { + return nil, s3errors.GetAPIError(s3errors.ErrInvalidDigest) + } + if hex.EncodeToString(hashBytes) != hex.EncodeToString(md5Hash) { + prm := PrmObjectDelete{ + Object: id, + Container: bktInfo.CID, + } + n.prepareAuthParameters(ctx, &prm.PrmAuth, bktInfo.Owner) + err = n.frostFS.DeleteObject(ctx, prm) + if err != nil { + n.reqLogger(ctx).Debug(logs.FailedToDeleteObject, zap.Stringer("cid", bktInfo.CID), zap.Stringer("oid", id)) + } + return nil, s3errors.GetAPIError(s3errors.ErrInvalidDigest) + } + } if p.Info.Encryption.Enabled() { size = decSize } @@ -250,6 +271,7 @@ func (n *layer) uploadPart(ctx context.Context, multipartInfo *data.MultipartInf Size: size, ETag: hex.EncodeToString(hash), Created: prm.CreationTime, + MD5: hex.EncodeToString(md5Hash), } oldPartID, err := n.treeService.AddPart(ctx, bktInfo, multipartInfo.ID, partInfo) @@ -274,6 +296,7 @@ func (n *layer) uploadPart(ctx context.Context, multipartInfo *data.MultipartInf Size: partInfo.Size, Created: partInfo.Created, HashSum: partInfo.ETag, + MD5Sum: partInfo.MD5, } return objInfo, nil @@ -347,9 +370,10 @@ func (n *layer) CompleteMultipartUpload(ctx context.Context, p *CompleteMultipar parts := make([]*data.PartInfo, 0, len(p.Parts)) var completedPartsHeader strings.Builder + md5Hash := md5.New() for i, part := range p.Parts { partInfo := partsInfo[part.PartNumber] - if partInfo == nil || part.ETag != partInfo.ETag { + if partInfo == nil || strings.Trim(part.ETag, "\"") != partInfo.GetETag(n.features.MD5Enabled()) { return nil, nil, fmt.Errorf("%w: unknown part %d or etag mismatched", s3errors.GetAPIError(s3errors.ErrInvalidPart), part.PartNumber) } delete(partsInfo, part.PartNumber) @@ -376,6 +400,12 @@ func (n *layer) CompleteMultipartUpload(ctx context.Context, p *CompleteMultipar if _, err = completedPartsHeader.WriteString(partInfoStr); err != nil { return nil, nil, err } + + bytesHash, err := hex.DecodeString(partInfo.MD5) + if err != nil { + return nil, nil, fmt.Errorf("couldn't decode MD5 checksum of part: %w", err) + } + md5Hash.Write(bytesHash) } initMetadata := make(map[string]string, len(multipartInfo.Meta)+1) @@ -410,13 +440,14 @@ func (n *layer) CompleteMultipartUpload(ctx context.Context, p *CompleteMultipar } extObjInfo, err := n.PutObject(ctx, &PutObjectParams{ - BktInfo: p.Info.Bkt, - Object: p.Info.Key, - Reader: bytes.NewReader(partsData), - Header: initMetadata, - Size: multipartObjetSize, - Encryption: p.Info.Encryption, - CopiesNumbers: multipartInfo.CopiesNumbers, + BktInfo: p.Info.Bkt, + Object: p.Info.Key, + Reader: bytes.NewReader(partsData), + Header: initMetadata, + Size: multipartObjetSize, + Encryption: p.Info.Encryption, + CopiesNumbers: multipartInfo.CopiesNumbers, + CompleteMD5Hash: hex.EncodeToString(md5Hash.Sum(nil)) + "-" + strconv.Itoa(len(p.Parts)), }) if err != nil { n.reqLogger(ctx).Error(logs.CouldNotPutCompletedObject, @@ -537,7 +568,7 @@ func (n *layer) ListParts(ctx context.Context, p *ListPartsParams) (*ListPartsIn for _, partInfo := range partsInfo { parts = append(parts, &Part{ - ETag: partInfo.ETag, + ETag: partInfo.GetETag(n.features.MD5Enabled()), LastModified: partInfo.Created.UTC().Format(time.RFC3339), PartNumber: partInfo.Number, Size: partInfo.Size, diff --git a/api/layer/notifications.go b/api/layer/notifications.go index 38bbf7fb..ecd7276d 100644 --- a/api/layer/notifications.go +++ b/api/layer/notifications.go @@ -34,7 +34,7 @@ func (n *layer) PutBucketNotificationConfiguration(ctx context.Context, p *PutBu CopiesNumber: p.CopiesNumbers, } - _, objID, _, err := n.objectPutAndHash(ctx, prm, p.BktInfo) + _, objID, _, _, err := n.objectPutAndHash(ctx, prm, p.BktInfo) if err != nil { return err } diff --git a/api/layer/object.go b/api/layer/object.go index b9cde712..5c24d1ca 100644 --- a/api/layer/object.go +++ b/api/layer/object.go @@ -1,8 +1,11 @@ package layer import ( + "bytes" "context" + "crypto/md5" "crypto/sha256" + "encoding/base64" "encoding/hex" "encoding/json" "errors" @@ -287,10 +290,23 @@ func (n *layer) PutObject(ctx context.Context, p *PutObjectParams) (*data.Extend prm.Attributes = append(prm.Attributes, [2]string{k, v}) } - size, id, hash, err := n.objectPutAndHash(ctx, prm, p.BktInfo) + size, id, hash, md5Hash, err := n.objectPutAndHash(ctx, prm, p.BktInfo) if err != nil { return nil, err } + if len(p.ContentMD5) > 0 { + headerMd5Hash, err := base64.StdEncoding.DecodeString(p.ContentMD5) + if err != nil { + return nil, apiErrors.GetAPIError(apiErrors.ErrInvalidDigest) + } + if !bytes.Equal(headerMd5Hash, md5Hash) { + err = n.objectDelete(ctx, p.BktInfo, id) + if err != nil { + n.reqLogger(ctx).Debug(logs.FailedToDeleteObject, zap.Stringer("cid", p.BktInfo.CID), zap.Stringer("oid", id)) + } + return nil, apiErrors.GetAPIError(apiErrors.ErrInvalidDigest) + } + } n.reqLogger(ctx).Debug(logs.PutObject, zap.Stringer("cid", p.BktInfo.CID), zap.Stringer("oid", id)) @@ -304,6 +320,11 @@ func (n *layer) PutObject(ctx context.Context, p *PutObjectParams) (*data.Extend IsUnversioned: !bktSettings.VersioningEnabled(), IsCombined: p.Header[MultipartObjectSize] != "", } + if len(p.CompleteMD5Hash) > 0 { + newVersion.MD5 = p.CompleteMD5Hash + } else { + newVersion.MD5 = hex.EncodeToString(md5Hash) + } if newVersion.ID, err = n.treeService.AddVersion(ctx, p.BktInfo, newVersion); err != nil { return nil, fmt.Errorf("couldn't add new verion to tree service: %w", err) @@ -340,6 +361,7 @@ func (n *layer) PutObject(ctx context.Context, p *PutObjectParams) (*data.Extend Headers: p.Header, ContentType: p.Header[api.ContentType], HashSum: newVersion.ETag, + MD5Sum: newVersion.MD5, } extendedObjInfo := &data.ExtendedObjectInfo{ @@ -378,6 +400,7 @@ func (n *layer) headLastVersionIfNotDeleted(ctx context.Context, bkt *data.Bucke return nil, err } objInfo := objectInfoFromMeta(bkt, meta) + objInfo.MD5Sum = node.MD5 extObjInfo := &data.ExtendedObjectInfo{ ObjectInfo: objInfo, @@ -430,6 +453,7 @@ func (n *layer) headVersion(ctx context.Context, bkt *data.BucketInfo, p *HeadOb return nil, err } objInfo := objectInfoFromMeta(bkt, meta) + objInfo.MD5Sum = foundVersion.MD5 extObjInfo := &data.ExtendedObjectInfo{ ObjectInfo: objInfo, @@ -457,14 +481,16 @@ func (n *layer) objectDelete(ctx context.Context, bktInfo *data.BucketInfo, idOb // objectPutAndHash prepare auth parameters and invoke frostfs.CreateObject. // Returns object ID and payload sha256 hash. -func (n *layer) objectPutAndHash(ctx context.Context, prm PrmObjectCreate, bktInfo *data.BucketInfo) (uint64, oid.ID, []byte, error) { +func (n *layer) objectPutAndHash(ctx context.Context, prm PrmObjectCreate, bktInfo *data.BucketInfo) (uint64, oid.ID, []byte, []byte, error) { n.prepareAuthParameters(ctx, &prm.PrmAuth, bktInfo.Owner) prm.ClientCut = n.features.ClientCut() var size uint64 hash := sha256.New() + md5Hash := md5.New() prm.Payload = wrapReader(prm.Payload, 64*1024, func(buf []byte) { size += uint64(len(buf)) hash.Write(buf) + md5Hash.Write(buf) }) id, err := n.frostFS.CreateObject(ctx, prm) if err != nil { @@ -472,9 +498,9 @@ func (n *layer) objectPutAndHash(ctx context.Context, prm PrmObjectCreate, bktIn n.reqLogger(ctx).Warn(logs.FailedToDiscardPutPayloadProbablyGoroutineLeaks, zap.Error(errDiscard)) } - return 0, oid.ID{}, nil, err + return 0, oid.ID{}, nil, nil, err } - return size, id, hash.Sum(nil), nil + return size, id, hash.Sum(nil), md5Hash.Sum(nil), nil } // ListObjectsV1 returns objects in a bucket for requests of Version 1. @@ -805,6 +831,7 @@ func (n *layer) objectInfoFromObjectsCacheOrFrostFS(ctx context.Context, bktInfo } oi = objectInfoFromMeta(bktInfo, meta) + oi.MD5Sum = node.MD5 n.cache.PutObject(owner, &data.ExtendedObjectInfo{ObjectInfo: oi, NodeVersion: node}) return oi diff --git a/api/layer/system_object.go b/api/layer/system_object.go index 853f4fb4..0bfc455f 100644 --- a/api/layer/system_object.go +++ b/api/layer/system_object.go @@ -125,7 +125,7 @@ func (n *layer) putLockObject(ctx context.Context, bktInfo *data.BucketInfo, obj return oid.ID{}, err } - _, id, _, err := n.objectPutAndHash(ctx, prm, bktInfo) + _, id, _, _, err := n.objectPutAndHash(ctx, prm, bktInfo) return id, err } diff --git a/cmd/s3-gw/app.go b/cmd/s3-gw/app.go index a84ae16c..94006eb3 100644 --- a/cmd/s3-gw/app.go +++ b/cmd/s3-gw/app.go @@ -73,6 +73,7 @@ type ( maxClient maxClientsConfig bypassContentEncodingInChunks atomic.Bool clientCut atomic.Bool + md5Enabled atomic.Bool } maxClientsConfig struct { @@ -176,6 +177,7 @@ func newAppSettings(log *Logger, v *viper.Viper) *appSettings { settings.setBypassContentEncodingInChunks(v.GetBool(cfgKludgeBypassContentEncodingCheckInChunks)) settings.setClientCut(v.GetBool(cfgClientCut)) + settings.setMD5Enabled(v.GetBool(cfgMD5Enabled)) return settings } @@ -196,6 +198,14 @@ func (s *appSettings) setClientCut(clientCut bool) { s.clientCut.Store(clientCut) } +func (s *appSettings) MD5Enabled() bool { + return s.md5Enabled.Load() +} + +func (s *appSettings) setMD5Enabled(md5Enabled bool) { + s.md5Enabled.Store(md5Enabled) +} + func (a *App) initAPI(ctx context.Context) { a.initLayer(ctx) a.initHandler() @@ -536,6 +546,7 @@ func (a *App) updateSettings() { a.settings.xmlDecoder.UseDefaultNamespaceForCompleteMultipart(a.cfg.GetBool(cfgKludgeUseDefaultXMLNSForCompleteMultipartUpload)) a.settings.setBypassContentEncodingInChunks(a.cfg.GetBool(cfgKludgeBypassContentEncodingCheckInChunks)) a.settings.setClientCut(a.cfg.GetBool(cfgClientCut)) + a.settings.setMD5Enabled(a.cfg.GetBool(cfgMD5Enabled)) } func (a *App) startServices() { @@ -679,6 +690,7 @@ func (a *App) initHandler() { cfg.CompleteMultipartKeepalive = a.cfg.GetDuration(cfgKludgeCompleteMultipartUploadKeepalive) cfg.Kludge = a.settings + cfg.Features = a.settings var err error a.api, err = handler.New(a.log, a.obj, a.nc, cfg) diff --git a/cmd/s3-gw/app_settings.go b/cmd/s3-gw/app_settings.go index 7d8f2663..6ec9f554 100644 --- a/cmd/s3-gw/app_settings.go +++ b/cmd/s3-gw/app_settings.go @@ -160,6 +160,9 @@ const ( // Settings. // Runtime. cfgSoftMemoryLimit = "runtime.soft_memory_limit" + // Enable return MD5 checksum in ETag. + cfgMD5Enabled = "features.md5.enabled" + // envPrefix is an environment variables prefix used for configuration. envPrefix = "S3_GW" ) diff --git a/config/config.env b/config/config.env index 3609af32..518cd8a6 100644 --- a/config/config.env +++ b/config/config.env @@ -147,4 +147,6 @@ S3_GW_TRACING_ENABLED=false S3_GW_TRACING_ENDPOINT="localhost:4318" S3_GW_TRACING_EXPORTER="otlp_grpc" -S3_GW_RUNTIME_SOFT_MEMORY_LIMIT=1073741824 \ No newline at end of file +S3_GW_RUNTIME_SOFT_MEMORY_LIMIT=1073741824 + +S3_GW_FEATURES_MD5_ENABLED=false diff --git a/config/config.yaml b/config/config.yaml index 05397209..f266db9c 100644 --- a/config/config.yaml +++ b/config/config.yaml @@ -173,4 +173,8 @@ kludge: bypass_content_encoding_check_in_chunks: false runtime: - soft_memory_limit: 1gb \ No newline at end of file + soft_memory_limit: 1gb + +features: + md5: + enabled: false diff --git a/docs/configuration.md b/docs/configuration.md index af0dd296..e9e09f22 100644 --- a/docs/configuration.md +++ b/docs/configuration.md @@ -186,6 +186,7 @@ There are some custom types used for brevity: | `resolve_bucket` | [Bucket name resolving configuration](#resolve_bucket-section) | | `kludge` | [Different kludge configuration](#kludge-section) | | `runtime` | [Runtime configuration](#runtime-section) | +| `features` | [Features configuration](#features-section) | ### General section @@ -559,4 +560,17 @@ runtime: | Parameter | Type | SIGHUP reload | Default value | Description | |---------------------|--------|---------------|---------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| `soft_memory_limit` | `size` | yes | maxint64 | Soft memory limit for the runtime. Zero or no value stands for no limit. If `GOMEMLIMIT` environment variable is set, the value from the configuration file will be ignored. | \ No newline at end of file +| `soft_memory_limit` | `size` | yes | maxint64 | Soft memory limit for the runtime. Zero or no value stands for no limit. If `GOMEMLIMIT` environment variable is set, the value from the configuration file will be ignored. | + +# `features` section +Contains parameters for enabling features. + +```yaml +features: + md5: + enabled: false +``` + +| Parameter | Type | SIGHUP reload | Default value | Description | +|---------------|--------|---------------|---------------|----------------------------------------------------------------| +| `md5.enabled` | `bool` | yes | false | Flag to enable return MD5 checksum in ETag headers and fields. | diff --git a/internal/logs/logs.go b/internal/logs/logs.go index 432b8530..4ad64aa4 100644 --- a/internal/logs/logs.go +++ b/internal/logs/logs.go @@ -75,6 +75,7 @@ const ( ResolveBucket = "resolve bucket" // Info in ../../api/layer/layer.go CouldntDeleteCorsObject = "couldn't delete cors object" // Error in ../../api/layer/cors.go PutObject = "put object" // Debug in ../../api/layer/object.go + FailedToDeleteObject = "failed to delete object" // Debug in ../../api/layer/object.go FailedToDiscardPutPayloadProbablyGoroutineLeaks = "failed to discard put payload, probably goroutine leaks" // Warn in ../../api/layer/object.go FailedToSubmitTaskToPool = "failed to submit task to pool" // Warn in ../../api/layer/object.go CouldNotFetchObjectMeta = "could not fetch object meta" // Warn in ../../api/layer/object.go diff --git a/pkg/service/tree/tree.go b/pkg/service/tree/tree.go index dda87d03..fbab21a9 100644 --- a/pkg/service/tree/tree.go +++ b/pkg/service/tree/tree.go @@ -81,6 +81,7 @@ const ( partNumberKV = "Number" sizeKV = "Size" etagKV = "ETag" + md5KV = "MD5" // keys for lock. isLockKV = "IsLock" @@ -185,6 +186,7 @@ func newNodeVersionFromTreeNode(filePath string, treeNode *treeNode) *data.NodeV _, isDeleteMarker := treeNode.Get(isDeleteMarkerKV) _, isCombined := treeNode.Get(isCombinedKV) eTag, _ := treeNode.Get(etagKV) + md5, _ := treeNode.Get(md5KV) version := &data.NodeVersion{ BaseNodeVersion: data.BaseNodeVersion{ @@ -193,6 +195,7 @@ func newNodeVersionFromTreeNode(filePath string, treeNode *treeNode) *data.NodeV OID: treeNode.ObjID, Timestamp: treeNode.TimeStamp, ETag: eTag, + MD5: md5, Size: treeNode.Size, FilePath: filePath, }, @@ -302,6 +305,8 @@ func newPartInfo(node NodeResponse) (*data.PartInfo, error) { return nil, fmt.Errorf("invalid created timestamp: %w", err) } partInfo.Created = time.UnixMilli(utcMilli) + case md5KV: + partInfo.MD5 = value } } @@ -560,7 +565,7 @@ func (c *Tree) GetVersions(ctx context.Context, bktInfo *data.BucketInfo, filepa } func (c *Tree) GetLatestVersion(ctx context.Context, bktInfo *data.BucketInfo, objectName string) (*data.NodeVersion, error) { - meta := []string{oidKV, isUnversionedKV, isDeleteMarkerKV, etagKV, sizeKV} + meta := []string{oidKV, isUnversionedKV, isDeleteMarkerKV, etagKV, sizeKV, md5KV} path := pathFromName(objectName) p := &GetNodesParams{ @@ -1006,6 +1011,7 @@ func (c *Tree) AddPart(ctx context.Context, bktInfo *data.BucketInfo, multipartN sizeKV: strconv.FormatUint(info.Size, 10), createdKV: strconv.FormatInt(info.Created.UTC().UnixMilli(), 10), etagKV: info.ETag, + md5KV: info.MD5, } for _, part := range parts { @@ -1138,6 +1144,9 @@ func (c *Tree) addVersion(ctx context.Context, bktInfo *data.BucketInfo, treeID if len(version.ETag) > 0 { meta[etagKV] = version.ETag } + if len(version.MD5) > 0 { + meta[md5KV] = version.MD5 + } if version.IsDeleteMarker() { meta[isDeleteMarkerKV] = "true" @@ -1182,7 +1191,7 @@ func (c *Tree) clearOutdatedVersionInfo(ctx context.Context, bktInfo *data.Bucke } func (c *Tree) getVersions(ctx context.Context, bktInfo *data.BucketInfo, treeID, filepath string, onlyUnversioned bool) ([]*data.NodeVersion, error) { - keysToReturn := []string{oidKV, isUnversionedKV, isDeleteMarkerKV, etagKV, sizeKV} + keysToReturn := []string{oidKV, isUnversionedKV, isDeleteMarkerKV, etagKV, sizeKV, md5KV} path := pathFromName(filepath) p := &GetNodesParams{ BktInfo: bktInfo,