Anton Nikiforov
112a7c690f
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Signed-off-by: Anton Nikiforov <an.nikiforov@yadro.com>
400 lines
8.8 KiB
Go
400 lines
8.8 KiB
Go
package getsvc
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import (
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"context"
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"crypto/sha256"
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"hash"
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objectV2 "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/object"
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"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/refs"
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"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/session"
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"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/status"
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"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/core/client"
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"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/network"
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objectSvc "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/services/object"
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getsvc "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/services/object/get"
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"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/services/object/util"
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clientSDK "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/client"
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apistatus "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/client/status"
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objectSDK "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object"
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oid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object/id"
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versionSDK "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/version"
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"git.frostfs.info/TrueCloudLab/tzhash/tz"
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)
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func (s *Service) toPrm(req *objectV2.GetRequest, stream objectSvc.GetObjectStream) (*getsvc.Prm, error) {
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body := req.GetBody()
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addrV2 := body.GetAddress()
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if addrV2 == nil {
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return nil, errMissingObjAddress
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}
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var addr oid.Address
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err := addr.ReadFromV2(*addrV2)
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if err != nil {
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return nil, errInvalidObjAddress(err)
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}
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commonPrm, err := util.CommonPrmFromV2(req)
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if err != nil {
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return nil, err
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}
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streamWrapper := &streamObjectWriter{stream}
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p := new(getsvc.Prm)
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p.SetCommonParameters(commonPrm)
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p.WithAddress(addr)
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p.WithRawFlag(body.GetRaw())
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p.SetObjectWriter(streamWrapper)
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if !commonPrm.LocalOnly() {
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key, err := s.keyStorage.GetKey(nil)
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if err != nil {
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return nil, err
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}
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forwarder := &getRequestForwarder{
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GlobalProgress: 0,
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Key: key,
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Request: req,
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Stream: streamWrapper,
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}
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p.SetRequestForwarder(groupAddressRequestForwarder(forwarder.forwardRequestToNode))
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}
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return p, nil
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}
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func (s *Service) toRangePrm(req *objectV2.GetRangeRequest, stream objectSvc.GetObjectRangeStream) (*getsvc.RangePrm, error) {
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body := req.GetBody()
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addrV2 := body.GetAddress()
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if addrV2 == nil {
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return nil, errMissingObjAddress
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}
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var addr oid.Address
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err := addr.ReadFromV2(*addrV2)
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if err != nil {
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return nil, errInvalidObjAddress(err)
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}
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commonPrm, err := util.CommonPrmFromV2(req)
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if err != nil {
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return nil, err
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}
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p := new(getsvc.RangePrm)
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p.SetCommonParameters(commonPrm)
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streamWrapper := &streamObjectRangeWriter{stream}
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p.WithAddress(addr)
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p.WithRawFlag(body.GetRaw())
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p.SetChunkWriter(streamWrapper)
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p.SetRange(objectSDK.NewRangeFromV2(body.GetRange()))
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err = p.Validate()
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if err != nil {
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return nil, errRequestParamsValidation(err)
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}
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if !commonPrm.LocalOnly() {
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key, err := s.keyStorage.GetKey(nil)
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if err != nil {
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return nil, err
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}
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forwarder := &getRangeRequestForwarder{
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GlobalProgress: 0,
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Key: key,
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Request: req,
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Stream: streamWrapper,
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}
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p.SetRequestForwarder(groupAddressRequestForwarder(forwarder.forwardRequestToNode))
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}
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return p, nil
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}
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func (s *Service) toHashRangePrm(req *objectV2.GetRangeHashRequest) (*getsvc.RangeHashPrm, error) {
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body := req.GetBody()
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addrV2 := body.GetAddress()
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if addrV2 == nil {
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return nil, errMissingObjAddress
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}
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var addr oid.Address
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err := addr.ReadFromV2(*addrV2)
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if err != nil {
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return nil, errInvalidObjAddress(err)
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}
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commonPrm, err := util.CommonPrmFromV2(req)
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if err != nil {
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return nil, err
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}
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p := new(getsvc.RangeHashPrm)
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p.SetCommonParameters(commonPrm)
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p.WithAddress(addr)
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if tok := commonPrm.SessionToken(); tok != nil {
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signerKey, err := s.keyStorage.GetKey(&util.SessionInfo{
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ID: tok.ID(),
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Owner: tok.Issuer(),
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})
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if err != nil && clientSDK.IsErrSessionNotFound(err) {
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commonPrm.ForgetTokens()
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signerKey, err = s.keyStorage.GetKey(nil)
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}
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if err != nil {
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return nil, errFetchingSessionKey(err)
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}
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p.WithCachedSignerKey(signerKey)
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}
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rngsV2 := body.GetRanges()
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rngs := make([]objectSDK.Range, len(rngsV2))
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for i := range rngsV2 {
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rngs[i] = *objectSDK.NewRangeFromV2(&rngsV2[i])
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}
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p.SetRangeList(rngs)
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p.SetSalt(body.GetSalt())
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switch t := body.GetType(); t {
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default:
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return nil, errUnknownChechsumType(t)
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case refs.SHA256:
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p.SetHashGenerator(func() hash.Hash {
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return sha256.New()
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})
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case refs.TillichZemor:
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p.SetHashGenerator(func() hash.Hash {
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return tz.New()
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})
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}
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return p, nil
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}
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type headResponseWriter struct {
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mainOnly bool
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body *objectV2.HeadResponseBody
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}
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func (w *headResponseWriter) WriteHeader(_ context.Context, hdr *objectSDK.Object) error {
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if w.mainOnly {
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w.body.SetHeaderPart(toShortObjectHeader(hdr))
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} else {
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w.body.SetHeaderPart(toFullObjectHeader(hdr))
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}
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return nil
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}
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func (s *Service) toHeadPrm(req *objectV2.HeadRequest, resp *objectV2.HeadResponse) (*getsvc.HeadPrm, error) {
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body := req.GetBody()
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addrV2 := body.GetAddress()
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if addrV2 == nil {
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return nil, errMissingObjAddress
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}
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var objAddr oid.Address
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err := objAddr.ReadFromV2(*addrV2)
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if err != nil {
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return nil, errInvalidObjAddress(err)
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}
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commonPrm, err := util.CommonPrmFromV2(req)
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if err != nil {
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return nil, err
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}
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p := new(getsvc.HeadPrm)
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p.SetCommonParameters(commonPrm)
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p.WithAddress(objAddr)
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p.WithRawFlag(body.GetRaw())
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p.SetHeaderWriter(&headResponseWriter{
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mainOnly: body.GetMainOnly(),
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body: resp.GetBody(),
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})
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if commonPrm.LocalOnly() {
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return p, nil
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}
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key, err := s.keyStorage.GetKey(nil)
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if err != nil {
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return nil, err
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}
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forwarder := &headRequestForwarder{
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Request: req,
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Response: resp,
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ObjectAddr: objAddr,
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Key: key,
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}
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p.SetRequestForwarder(groupAddressRequestForwarder(forwarder.forwardRequestToNode))
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return p, nil
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}
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func splitInfoResponse(info *objectSDK.SplitInfo) *objectV2.GetResponse {
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resp := new(objectV2.GetResponse)
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body := new(objectV2.GetResponseBody)
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resp.SetBody(body)
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body.SetObjectPart(info.ToV2())
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return resp
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}
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func ecInfoResponse(info *objectSDK.ECInfo) *objectV2.GetResponse {
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resp := new(objectV2.GetResponse)
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body := new(objectV2.GetResponseBody)
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resp.SetBody(body)
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body.SetObjectPart(info.ToV2())
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return resp
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}
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func splitInfoRangeResponse(info *objectSDK.SplitInfo) *objectV2.GetRangeResponse {
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resp := new(objectV2.GetRangeResponse)
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body := new(objectV2.GetRangeResponseBody)
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resp.SetBody(body)
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body.SetRangePart(info.ToV2())
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return resp
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}
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func setSplitInfoHeadResponse(info *objectSDK.SplitInfo, resp *objectV2.HeadResponse) {
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resp.GetBody().SetHeaderPart(info.ToV2())
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}
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func setECInfoHeadResponse(info *objectSDK.ECInfo, resp *objectV2.HeadResponse) {
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resp.GetBody().SetHeaderPart(info.ToV2())
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}
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func toHashResponse(typ refs.ChecksumType, res *getsvc.RangeHashRes) *objectV2.GetRangeHashResponse {
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resp := new(objectV2.GetRangeHashResponse)
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body := new(objectV2.GetRangeHashResponseBody)
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resp.SetBody(body)
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body.SetType(typ)
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body.SetHashList(res.Hashes())
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return resp
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}
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func toFullObjectHeader(hdr *objectSDK.Object) objectV2.GetHeaderPart {
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obj := hdr.ToV2()
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hs := new(objectV2.HeaderWithSignature)
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hs.SetHeader(obj.GetHeader())
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hs.SetSignature(obj.GetSignature())
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return hs
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}
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func toShortObjectHeader(hdr *objectSDK.Object) objectV2.GetHeaderPart {
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hdrV2 := hdr.ToV2().GetHeader()
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sh := new(objectV2.ShortHeader)
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sh.SetOwnerID(hdrV2.GetOwnerID())
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sh.SetCreationEpoch(hdrV2.GetCreationEpoch())
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sh.SetPayloadLength(hdrV2.GetPayloadLength())
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sh.SetVersion(hdrV2.GetVersion())
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sh.SetObjectType(hdrV2.GetObjectType())
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sh.SetHomomorphicHash(hdrV2.GetHomomorphicHash())
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sh.SetPayloadHash(hdrV2.GetPayloadHash())
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return sh
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}
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func groupAddressRequestForwarder(f func(context.Context, network.Address, client.MultiAddressClient, []byte) (*objectSDK.Object, error)) getsvc.RequestForwarder {
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return func(ctx context.Context, info client.NodeInfo, c client.MultiAddressClient) (*objectSDK.Object, error) {
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var (
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firstErr error
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res *objectSDK.Object
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key = info.PublicKey()
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)
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info.AddressGroup().IterateAddresses(func(addr network.Address) (stop bool) {
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var err error
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defer func() {
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stop = err == nil
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if stop || firstErr == nil {
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firstErr = err
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}
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// would be nice to log otherwise
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}()
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res, err = f(ctx, addr, c, key)
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return
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})
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return res, firstErr
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}
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}
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func writeCurrentVersion(metaHdr *session.RequestMetaHeader) {
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versionV2 := new(refs.Version)
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apiVersion := versionSDK.Current()
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apiVersion.WriteToV2(versionV2)
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metaHdr.SetVersion(versionV2)
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}
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func checkStatus(stV2 *status.Status) error {
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if !status.IsSuccess(stV2.Code()) {
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st := apistatus.FromStatusV2(stV2)
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return apistatus.ErrFromStatus(st)
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}
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return nil
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}
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func chunkToSend(global, local int, chunk []byte) []byte {
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if global == local {
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return chunk
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}
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if local+len(chunk) <= global {
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// chunk has already been sent
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return nil
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}
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return chunk[global-local:]
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}
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