forked from TrueCloudLab/frostfs-node
779 lines
18 KiB
Go
779 lines
18 KiB
Go
package v2
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import (
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"context"
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"errors"
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"fmt"
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"strings"
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"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/core/container"
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"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/core/netmap"
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objectCore "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/core/object"
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"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/services/object"
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"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/util/logger"
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objectV2 "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/object"
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"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/session"
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apistatus "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/client/status"
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cnrSDK "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container"
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"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/acl"
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cid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id"
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oid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object/id"
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sessionSDK "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/session"
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"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/user"
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"go.uber.org/zap"
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)
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// Service checks basic ACL rules.
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type Service struct {
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*cfg
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c objectCore.SenderClassifier
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}
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type putStreamBasicChecker struct {
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source *Service
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next object.PutObjectStream
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}
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type patchStreamBasicChecker struct {
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source *Service
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next object.PatchObjectStream
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nonFirstSend bool
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}
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// Option represents Service constructor option.
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type Option func(*cfg)
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type cfg struct {
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log *logger.Logger
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containers container.Source
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irFetcher InnerRingFetcher
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nm netmap.Source
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next object.ServiceServer
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}
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// New is a constructor for object ACL checking service.
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func New(next object.ServiceServer,
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nm netmap.Source,
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irf InnerRingFetcher,
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cs container.Source,
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opts ...Option,
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) Service {
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cfg := &cfg{
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log: logger.NewLoggerWrapper(zap.L()),
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next: next,
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nm: nm,
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irFetcher: irf,
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containers: cs,
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}
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for i := range opts {
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opts[i](cfg)
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}
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return Service{
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cfg: cfg,
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c: objectCore.NewSenderClassifier(cfg.irFetcher, cfg.nm, cfg.log),
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}
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}
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// wrappedGetObjectStream propagates RequestContext into GetObjectStream's context.
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// This allows to retrieve already calculated immutable request-specific values in next handler invocation.
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type wrappedGetObjectStream struct {
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object.GetObjectStream
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requestInfo RequestInfo
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}
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func (w *wrappedGetObjectStream) Context() context.Context {
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return context.WithValue(w.GetObjectStream.Context(), object.RequestContextKey, &object.RequestContext{
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Namespace: w.requestInfo.ContainerNamespace(),
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ContainerOwner: w.requestInfo.ContainerOwner(),
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SenderKey: w.requestInfo.SenderKey(),
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Role: w.requestInfo.RequestRole(),
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BearerToken: w.requestInfo.Bearer(),
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})
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}
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func newWrappedGetObjectStreamStream(getObjectStream object.GetObjectStream, reqInfo RequestInfo) object.GetObjectStream {
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return &wrappedGetObjectStream{
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GetObjectStream: getObjectStream,
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requestInfo: reqInfo,
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}
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}
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// wrappedRangeStream propagates RequestContext into GetObjectRangeStream's context.
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// This allows to retrieve already calculated immutable request-specific values in next handler invocation.
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type wrappedRangeStream struct {
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object.GetObjectRangeStream
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requestInfo RequestInfo
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}
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func (w *wrappedRangeStream) Context() context.Context {
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return context.WithValue(w.GetObjectRangeStream.Context(), object.RequestContextKey, &object.RequestContext{
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Namespace: w.requestInfo.ContainerNamespace(),
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ContainerOwner: w.requestInfo.ContainerOwner(),
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SenderKey: w.requestInfo.SenderKey(),
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Role: w.requestInfo.RequestRole(),
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BearerToken: w.requestInfo.Bearer(),
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})
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}
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func newWrappedRangeStream(rangeStream object.GetObjectRangeStream, reqInfo RequestInfo) object.GetObjectRangeStream {
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return &wrappedRangeStream{
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GetObjectRangeStream: rangeStream,
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requestInfo: reqInfo,
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}
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}
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// wrappedSearchStream propagates RequestContext into SearchStream's context.
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// This allows to retrieve already calculated immutable request-specific values in next handler invocation.
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type wrappedSearchStream struct {
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object.SearchStream
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requestInfo RequestInfo
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}
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func (w *wrappedSearchStream) Context() context.Context {
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return context.WithValue(w.SearchStream.Context(), object.RequestContextKey, &object.RequestContext{
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Namespace: w.requestInfo.ContainerNamespace(),
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ContainerOwner: w.requestInfo.ContainerOwner(),
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SenderKey: w.requestInfo.SenderKey(),
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Role: w.requestInfo.RequestRole(),
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BearerToken: w.requestInfo.Bearer(),
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})
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}
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func newWrappedSearchStream(searchStream object.SearchStream, reqInfo RequestInfo) object.SearchStream {
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return &wrappedSearchStream{
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SearchStream: searchStream,
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requestInfo: reqInfo,
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}
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}
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// Get implements ServiceServer interface, makes ACL checks and calls
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// next Get method in the ServiceServer pipeline.
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func (b Service) Get(request *objectV2.GetRequest, stream object.GetObjectStream) error {
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cnr, err := getContainerIDFromRequest(request)
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if err != nil {
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return err
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}
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obj, err := getObjectIDFromRequestBody(request.GetBody())
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if err != nil {
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return err
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}
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sTok, err := originalSessionToken(request.GetMetaHeader())
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if err != nil {
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return err
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}
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if sTok != nil {
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err = assertSessionRelation(*sTok, cnr, obj)
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if err != nil {
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return err
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}
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}
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bTok, err := originalBearerToken(request.GetMetaHeader())
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if err != nil {
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return err
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}
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req := MetaWithToken{
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vheader: request.GetVerificationHeader(),
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token: sTok,
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bearer: bTok,
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src: request,
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}
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reqInfo, err := b.findRequestInfo(stream.Context(), req, cnr, acl.OpObjectGet)
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if err != nil {
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return err
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}
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reqInfo.obj = obj
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return b.next.Get(request, newWrappedGetObjectStreamStream(stream, reqInfo))
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}
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func (b Service) Put(ctx context.Context) (object.PutObjectStream, error) {
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streamer, err := b.next.Put(ctx)
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return putStreamBasicChecker{
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source: &b,
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next: streamer,
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}, err
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}
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func (b Service) Patch(ctx context.Context) (object.PatchObjectStream, error) {
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streamer, err := b.next.Patch(ctx)
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return &patchStreamBasicChecker{
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source: &b,
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next: streamer,
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}, err
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}
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func (b Service) Head(
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ctx context.Context,
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request *objectV2.HeadRequest,
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) (*objectV2.HeadResponse, error) {
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cnr, err := getContainerIDFromRequest(request)
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if err != nil {
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return nil, err
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}
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obj, err := getObjectIDFromRequestBody(request.GetBody())
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if err != nil {
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return nil, err
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}
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sTok, err := originalSessionToken(request.GetMetaHeader())
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if err != nil {
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return nil, err
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}
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if sTok != nil {
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err = assertSessionRelation(*sTok, cnr, obj)
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if err != nil {
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return nil, err
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}
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}
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bTok, err := originalBearerToken(request.GetMetaHeader())
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if err != nil {
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return nil, err
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}
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req := MetaWithToken{
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vheader: request.GetVerificationHeader(),
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token: sTok,
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bearer: bTok,
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src: request,
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}
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reqInfo, err := b.findRequestInfo(ctx, req, cnr, acl.OpObjectHead)
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if err != nil {
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return nil, err
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}
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reqInfo.obj = obj
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return b.next.Head(requestContext(ctx, reqInfo), request)
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}
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func (b Service) Search(request *objectV2.SearchRequest, stream object.SearchStream) error {
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id, err := getContainerIDFromRequest(request)
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if err != nil {
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return err
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}
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sTok, err := originalSessionToken(request.GetMetaHeader())
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if err != nil {
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return err
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}
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if sTok != nil {
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err = assertSessionRelation(*sTok, id, nil)
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if err != nil {
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return err
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}
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}
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bTok, err := originalBearerToken(request.GetMetaHeader())
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if err != nil {
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return err
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}
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req := MetaWithToken{
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vheader: request.GetVerificationHeader(),
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token: sTok,
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bearer: bTok,
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src: request,
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}
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reqInfo, err := b.findRequestInfo(stream.Context(), req, id, acl.OpObjectSearch)
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if err != nil {
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return err
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}
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return b.next.Search(request, newWrappedSearchStream(stream, reqInfo))
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}
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func (b Service) Delete(
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ctx context.Context,
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request *objectV2.DeleteRequest,
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) (*objectV2.DeleteResponse, error) {
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cnr, err := getContainerIDFromRequest(request)
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if err != nil {
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return nil, err
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}
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obj, err := getObjectIDFromRequestBody(request.GetBody())
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if err != nil {
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return nil, err
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}
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sTok, err := originalSessionToken(request.GetMetaHeader())
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if err != nil {
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return nil, err
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}
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if sTok != nil {
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err = assertSessionRelation(*sTok, cnr, obj)
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if err != nil {
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return nil, err
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}
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}
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bTok, err := originalBearerToken(request.GetMetaHeader())
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if err != nil {
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return nil, err
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}
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req := MetaWithToken{
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vheader: request.GetVerificationHeader(),
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token: sTok,
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bearer: bTok,
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src: request,
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}
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reqInfo, err := b.findRequestInfo(ctx, req, cnr, acl.OpObjectDelete)
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if err != nil {
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return nil, err
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}
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reqInfo.obj = obj
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return b.next.Delete(requestContext(ctx, reqInfo), request)
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}
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func (b Service) GetRange(request *objectV2.GetRangeRequest, stream object.GetObjectRangeStream) error {
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cnr, err := getContainerIDFromRequest(request)
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if err != nil {
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return err
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}
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obj, err := getObjectIDFromRequestBody(request.GetBody())
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if err != nil {
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return err
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}
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sTok, err := originalSessionToken(request.GetMetaHeader())
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if err != nil {
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return err
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}
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if sTok != nil {
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err = assertSessionRelation(*sTok, cnr, obj)
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if err != nil {
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return err
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}
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}
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bTok, err := originalBearerToken(request.GetMetaHeader())
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if err != nil {
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return err
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}
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req := MetaWithToken{
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vheader: request.GetVerificationHeader(),
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token: sTok,
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bearer: bTok,
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src: request,
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}
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reqInfo, err := b.findRequestInfo(stream.Context(), req, cnr, acl.OpObjectRange)
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if err != nil {
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return err
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}
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reqInfo.obj = obj
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return b.next.GetRange(request, newWrappedRangeStream(stream, reqInfo))
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}
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func requestContext(ctx context.Context, reqInfo RequestInfo) context.Context {
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return context.WithValue(ctx, object.RequestContextKey, &object.RequestContext{
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Namespace: reqInfo.ContainerNamespace(),
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ContainerOwner: reqInfo.ContainerOwner(),
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SenderKey: reqInfo.SenderKey(),
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Role: reqInfo.RequestRole(),
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BearerToken: reqInfo.Bearer(),
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})
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}
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func (b Service) GetRangeHash(
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ctx context.Context,
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request *objectV2.GetRangeHashRequest,
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) (*objectV2.GetRangeHashResponse, error) {
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cnr, err := getContainerIDFromRequest(request)
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if err != nil {
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return nil, err
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}
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obj, err := getObjectIDFromRequestBody(request.GetBody())
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if err != nil {
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return nil, err
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}
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sTok, err := originalSessionToken(request.GetMetaHeader())
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if err != nil {
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return nil, err
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}
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if sTok != nil {
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err = assertSessionRelation(*sTok, cnr, obj)
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if err != nil {
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return nil, err
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}
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}
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bTok, err := originalBearerToken(request.GetMetaHeader())
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if err != nil {
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return nil, err
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}
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req := MetaWithToken{
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vheader: request.GetVerificationHeader(),
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token: sTok,
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bearer: bTok,
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src: request,
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}
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reqInfo, err := b.findRequestInfo(ctx, req, cnr, acl.OpObjectHash)
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if err != nil {
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return nil, err
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}
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reqInfo.obj = obj
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return b.next.GetRangeHash(requestContext(ctx, reqInfo), request)
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}
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func (b Service) PutSingle(ctx context.Context, request *objectV2.PutSingleRequest) (*objectV2.PutSingleResponse, error) {
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cnr, err := getContainerIDFromRequest(request)
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if err != nil {
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return nil, err
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}
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idV2 := request.GetBody().GetObject().GetHeader().GetOwnerID()
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if idV2 == nil {
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return nil, errors.New("missing object owner")
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}
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var idOwner user.ID
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err = idOwner.ReadFromV2(*idV2)
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if err != nil {
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return nil, fmt.Errorf("invalid object owner: %w", err)
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}
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obj, err := getObjectIDFromRefObjectID(request.GetBody().GetObject().GetObjectID())
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if err != nil {
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return nil, err
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}
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var sTok *sessionSDK.Object
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sTok, err = readSessionToken(cnr, obj, request.GetMetaHeader().GetSessionToken())
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if err != nil {
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return nil, err
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}
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bTok, err := originalBearerToken(request.GetMetaHeader())
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if err != nil {
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return nil, err
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}
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req := MetaWithToken{
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vheader: request.GetVerificationHeader(),
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token: sTok,
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bearer: bTok,
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src: request,
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}
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reqInfo, err := b.findRequestInfo(ctx, req, cnr, acl.OpObjectPut)
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if err != nil {
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return nil, err
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}
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reqInfo.obj = obj
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return b.next.PutSingle(requestContext(ctx, reqInfo), request)
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}
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func (p putStreamBasicChecker) Send(ctx context.Context, request *objectV2.PutRequest) error {
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body := request.GetBody()
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if body == nil {
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return errEmptyBody
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}
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part := body.GetObjectPart()
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if part, ok := part.(*objectV2.PutObjectPartInit); ok {
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cnr, err := getContainerIDFromRequest(request)
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if err != nil {
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return err
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}
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idV2 := part.GetHeader().GetOwnerID()
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if idV2 == nil {
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return errors.New("missing object owner")
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}
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var idOwner user.ID
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err = idOwner.ReadFromV2(*idV2)
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if err != nil {
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return fmt.Errorf("invalid object owner: %w", err)
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}
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objV2 := part.GetObjectID()
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var obj *oid.ID
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if objV2 != nil {
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obj = new(oid.ID)
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err = obj.ReadFromV2(*objV2)
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if err != nil {
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return err
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}
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}
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var sTok *sessionSDK.Object
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sTok, err = readSessionToken(cnr, obj, request.GetMetaHeader().GetSessionToken())
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if err != nil {
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return err
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}
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bTok, err := originalBearerToken(request.GetMetaHeader())
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if err != nil {
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return err
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}
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req := MetaWithToken{
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vheader: request.GetVerificationHeader(),
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token: sTok,
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bearer: bTok,
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src: request,
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}
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reqInfo, err := p.source.findRequestInfo(ctx, req, cnr, acl.OpObjectPut)
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if err != nil {
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return err
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}
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reqInfo.obj = obj
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ctx = requestContext(ctx, reqInfo)
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}
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return p.next.Send(ctx, request)
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}
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func readSessionToken(cnr cid.ID, obj *oid.ID, tokV2 *session.Token) (*sessionSDK.Object, error) {
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var sTok *sessionSDK.Object
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if tokV2 != nil {
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sTok = new(sessionSDK.Object)
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err := sTok.ReadFromV2(*tokV2)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("invalid session token: %w", err)
|
|
}
|
|
|
|
if sTok.AssertVerb(sessionSDK.VerbObjectDelete) {
|
|
// if session relates to object's removal, we don't check
|
|
// relation of the tombstone to the session here since user
|
|
// can't predict tomb's ID.
|
|
err = assertSessionRelation(*sTok, cnr, nil)
|
|
} else {
|
|
err = assertSessionRelation(*sTok, cnr, obj)
|
|
}
|
|
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
|
|
return sTok, nil
|
|
}
|
|
|
|
func (p putStreamBasicChecker) CloseAndRecv(ctx context.Context) (*objectV2.PutResponse, error) {
|
|
return p.next.CloseAndRecv(ctx)
|
|
}
|
|
|
|
func (p *patchStreamBasicChecker) Send(ctx context.Context, request *objectV2.PatchRequest) error {
|
|
body := request.GetBody()
|
|
if body == nil {
|
|
return errEmptyBody
|
|
}
|
|
|
|
if !p.nonFirstSend {
|
|
p.nonFirstSend = true
|
|
|
|
cnr, err := getContainerIDFromRequest(request)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
objV2 := request.GetBody().GetAddress().GetObjectID()
|
|
if objV2 == nil {
|
|
return errors.New("missing oid")
|
|
}
|
|
obj := new(oid.ID)
|
|
err = obj.ReadFromV2(*objV2)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
var sTok *sessionSDK.Object
|
|
sTok, err = readSessionToken(cnr, obj, request.GetMetaHeader().GetSessionToken())
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
bTok, err := originalBearerToken(request.GetMetaHeader())
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
req := MetaWithToken{
|
|
vheader: request.GetVerificationHeader(),
|
|
token: sTok,
|
|
bearer: bTok,
|
|
src: request,
|
|
}
|
|
|
|
reqInfo, err := p.source.findRequestInfoWithoutACLOperationAssert(ctx, req, cnr)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
reqInfo.obj = obj
|
|
|
|
ctx = requestContext(ctx, reqInfo)
|
|
}
|
|
|
|
return p.next.Send(ctx, request)
|
|
}
|
|
|
|
func (p patchStreamBasicChecker) CloseAndRecv(ctx context.Context) (*objectV2.PatchResponse, error) {
|
|
return p.next.CloseAndRecv(ctx)
|
|
}
|
|
|
|
func (b Service) findRequestInfo(ctx context.Context, req MetaWithToken, idCnr cid.ID, op acl.Op) (info RequestInfo, err error) {
|
|
cnr, err := b.containers.Get(idCnr) // fetch actual container
|
|
if err != nil {
|
|
return info, err
|
|
}
|
|
|
|
if req.token != nil {
|
|
currentEpoch, err := b.nm.Epoch()
|
|
if err != nil {
|
|
return info, errors.New("can't fetch current epoch")
|
|
}
|
|
if req.token.ExpiredAt(currentEpoch) {
|
|
return info, new(apistatus.SessionTokenExpired)
|
|
}
|
|
if req.token.InvalidAt(currentEpoch) {
|
|
return info, fmt.Errorf("%s: token is invalid at %d epoch)",
|
|
invalidRequestMessage, currentEpoch)
|
|
}
|
|
|
|
if !assertVerb(*req.token, op) {
|
|
return info, errInvalidVerb
|
|
}
|
|
}
|
|
|
|
// find request role and key
|
|
ownerID, ownerKey, err := req.RequestOwner()
|
|
if err != nil {
|
|
return info, err
|
|
}
|
|
res, err := b.c.Classify(ctx, ownerID, ownerKey, idCnr, cnr.Value)
|
|
if err != nil {
|
|
return info, err
|
|
}
|
|
|
|
info.basicACL = cnr.Value.BasicACL()
|
|
info.requestRole = res.Role
|
|
info.operation = op
|
|
info.cnrOwner = cnr.Value.Owner()
|
|
info.idCnr = idCnr
|
|
|
|
cnrNamespace, hasNamespace := strings.CutSuffix(cnrSDK.ReadDomain(cnr.Value).Zone(), ".ns")
|
|
if hasNamespace {
|
|
info.cnrNamespace = cnrNamespace
|
|
}
|
|
|
|
// it is assumed that at the moment the key will be valid,
|
|
// otherwise the request would not pass validation
|
|
info.senderKey = res.Key
|
|
|
|
// add bearer token if it is present in request
|
|
info.bearer = req.bearer
|
|
|
|
info.srcRequest = req.src
|
|
|
|
return info, nil
|
|
}
|
|
|
|
// findRequestInfoWithoutACLOperationAssert is findRequestInfo without session token verb assert.
|
|
func (b Service) findRequestInfoWithoutACLOperationAssert(ctx context.Context, req MetaWithToken, idCnr cid.ID) (info RequestInfo, err error) {
|
|
cnr, err := b.containers.Get(idCnr) // fetch actual container
|
|
if err != nil {
|
|
return info, err
|
|
}
|
|
|
|
if req.token != nil {
|
|
currentEpoch, err := b.nm.Epoch()
|
|
if err != nil {
|
|
return info, errors.New("can't fetch current epoch")
|
|
}
|
|
if req.token.ExpiredAt(currentEpoch) {
|
|
return info, new(apistatus.SessionTokenExpired)
|
|
}
|
|
if req.token.InvalidAt(currentEpoch) {
|
|
return info, fmt.Errorf("%s: token is invalid at %d epoch)",
|
|
invalidRequestMessage, currentEpoch)
|
|
}
|
|
}
|
|
|
|
// find request role and key
|
|
ownerID, ownerKey, err := req.RequestOwner()
|
|
if err != nil {
|
|
return info, err
|
|
}
|
|
res, err := b.c.Classify(ctx, ownerID, ownerKey, idCnr, cnr.Value)
|
|
if err != nil {
|
|
return info, err
|
|
}
|
|
|
|
info.basicACL = cnr.Value.BasicACL()
|
|
info.requestRole = res.Role
|
|
info.cnrOwner = cnr.Value.Owner()
|
|
info.idCnr = idCnr
|
|
|
|
cnrNamespace, hasNamespace := strings.CutSuffix(cnrSDK.ReadDomain(cnr.Value).Zone(), ".ns")
|
|
if hasNamespace {
|
|
info.cnrNamespace = cnrNamespace
|
|
}
|
|
|
|
// it is assumed that at the moment the key will be valid,
|
|
// otherwise the request would not pass validation
|
|
info.senderKey = res.Key
|
|
|
|
// add bearer token if it is present in request
|
|
info.bearer = req.bearer
|
|
|
|
info.srcRequest = req.src
|
|
|
|
return info, nil
|
|
}
|