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[#1111] object/acl: Refactor service

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Make all operations that related to `neofs-api-go` library be placed in `v2`
packages. They parse all v2-versioned structs info `neofs-sdk-go`
abstractions and pass them to the corresponding `acl`/`eacl` packages. `v2`
packages are the only packages that do import `neofs-api-go` library. `eacl`
and `acl` provide public functions that only accepts `sdk` structures.

Signed-off-by: Pavel Karpy <carpawell@nspcc.ru>
This commit is contained in:
Pavel Karpy 2022-02-11 15:25:05 +03:00 committed by Alex Vanin
parent 7ccd1625af
commit 99b31e3235
17 changed files with 1266 additions and 1000 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

30
cmd/neofs-node/object.go
View file

@ -19,6 +19,7 @@ import (
objectTransportGRPC "github.com/nspcc-dev/neofs-node/pkg/network/transport/object/grpc"
objectService "github.com/nspcc-dev/neofs-node/pkg/services/object"
"github.com/nspcc-dev/neofs-node/pkg/services/object/acl"
v2 "github.com/nspcc-dev/neofs-node/pkg/services/object/acl/v2"
deletesvc "github.com/nspcc-dev/neofs-node/pkg/services/object/delete"
deletesvcV2 "github.com/nspcc-dev/neofs-node/pkg/services/object/delete/v2"
getsvc "github.com/nspcc-dev/neofs-node/pkg/services/object/get"
@ -194,7 +195,7 @@ func initObjectService(c *cfg) {
coreConstructor := (*coreClientConstructor)(clientConstructor)
var irFetcher acl.InnerRingFetcher
var irFetcher v2.InnerRingFetcher
if c.cfgMorph.client.ProbeNotary() {
irFetcher = &innerRingFetcherWithNotary{
@ -345,21 +346,22 @@ func initObjectService(c *cfg) {
},
)
aclSvc := acl.New(
acl.WithSenderClassifier(
acl.NewSenderClassifier(
c.log,
irFetcher,
c.cfgNetmap.wrapper,
),
),
acl.WithContainerSource(
aclSvc := v2.New(
v2.WithLogger(c.log),
v2.WithIRFetcher(irFetcher),
v2.WithNetmapClient(c.cfgNetmap.wrapper),
v2.WithContainerSource(
c.cfgObject.cnrSource,
),
acl.WithNextService(splitSvc),
acl.WithLocalStorage(ls),
acl.WithEACLSource(c.cfgObject.eaclSource),
acl.WithNetmapState(c.cfgNetmap.state),
v2.WithNextService(splitSvc),
v2.WithEACLChecker(
acl.NewChecker(new(acl.CheckerPrm).
SetNetmapState(c.cfgNetmap.state).
SetEACLSource(c.cfgObject.eaclSource).
SetValidator(eaclSDK.NewValidator()).
SetLocalStorage(ls),
),
),
)
respSvc := objectService.NewResponseService(

761
pkg/services/object/acl/acl.go
View file

@ -1,614 +1,137 @@
package acl
import (
"context"
"crypto/ecdsa"
"crypto/elliptic"
"errors"
"fmt"
"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
bearer "github.com/nspcc-dev/neofs-api-go/v2/acl"
"github.com/nspcc-dev/neofs-api-go/v2/object"
"github.com/nspcc-dev/neofs-api-go/v2/refs"
"github.com/nspcc-dev/neofs-api-go/v2/session"
v2signature "github.com/nspcc-dev/neofs-api-go/v2/signature"
"github.com/nspcc-dev/neofs-node/pkg/core/container"
core "github.com/nspcc-dev/neofs-node/pkg/core/container"
"github.com/nspcc-dev/neofs-node/pkg/core/netmap"
"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/engine"
objectSvc "github.com/nspcc-dev/neofs-node/pkg/services/object"
"github.com/nspcc-dev/neofs-node/pkg/services/object/acl/eacl"
eaclV2 "github.com/nspcc-dev/neofs-node/pkg/services/object/acl/eacl/v2"
cid "github.com/nspcc-dev/neofs-sdk-go/container/id"
v2 "github.com/nspcc-dev/neofs-node/pkg/services/object/acl/v2"
eaclSDK "github.com/nspcc-dev/neofs-sdk-go/eacl"
objectSDKAddress "github.com/nspcc-dev/neofs-sdk-go/object/address"
objectSDKID "github.com/nspcc-dev/neofs-sdk-go/object/id"
addressSDK "github.com/nspcc-dev/neofs-sdk-go/object/address"
"github.com/nspcc-dev/neofs-sdk-go/owner"
"github.com/nspcc-dev/neofs-sdk-go/util/signature"
bearerSDK "github.com/nspcc-dev/neofs-sdk-go/token"
)
type (
// Service checks basic ACL rules.
Service struct {
*cfg
}
putStreamBasicChecker struct {
source *Service
next objectSvc.PutObjectStream
*eACLCfg
}
getStreamBasicChecker struct {
objectSvc.GetObjectStream
info requestInfo
*eACLCfg
}
rangeStreamBasicChecker struct {
objectSvc.GetObjectRangeStream
info requestInfo
*eACLCfg
}
searchStreamBasicChecker struct {
objectSvc.SearchStream
info requestInfo
*eACLCfg
}
requestInfo struct {
basicACL basicACLHelper
requestRole eaclSDK.Role
isInnerRing bool
operation eaclSDK.Operation // put, get, head, etc.
cnrOwner *owner.ID // container owner
cid *cid.ID
oid *objectSDKID.ID
senderKey []byte
bearer *bearer.BearerToken // bearer token of request
srcRequest interface{}
}
)
// Option represents Service constructor option.
type Option func(*cfg)
type cfg struct {
containers core.Source
sender SenderClassifier
next objectSvc.ServiceServer
*eACLCfg
}
type eACLCfg struct {
eaclSource eacl.Source
eACL *eaclSDK.Validator
// CheckerPrm groups parameters for Checker
// constructor.
type CheckerPrm struct {
eaclSrc eacl.Source
validator *eaclSDK.Validator
localStorage *engine.StorageEngine
state netmap.State
}
type accessErr struct {
requestInfo
failedCheckTyp string
func (c *CheckerPrm) SetEACLSource(v eacl.Source) *CheckerPrm {
c.eaclSrc = v
return c
}
var (
ErrMalformedRequest = errors.New("malformed request")
ErrUnknownRole = errors.New("can't classify request sender")
ErrUnknownContainer = errors.New("can't fetch container info")
)
func (c *CheckerPrm) SetValidator(v *eaclSDK.Validator) *CheckerPrm {
c.validator = v
return c
}
func defaultCfg() *cfg {
return &cfg{
eACLCfg: new(eACLCfg),
func (c *CheckerPrm) SetLocalStorage(v *engine.StorageEngine) *CheckerPrm {
c.localStorage = v
return c
}
func (c *CheckerPrm) SetNetmapState(v netmap.State) *CheckerPrm {
c.state = v
return c
}
// Checker implements v2.ACLChecker interfaces and provides
// ACL/eACL validation functionality.
type Checker struct {
eaclSrc eacl.Source
validator *eaclSDK.Validator
localStorage *engine.StorageEngine
state netmap.State
}
// NewChecker creates Checker.
// Panics if at least one of the parameter is nil.
func NewChecker(prm *CheckerPrm) *Checker {
panicOnNil := func(fieldName string, field interface{}) {
if field == nil {
panic(fmt.Sprintf("incorrect field %s (%T): %v", fieldName, field, field))
}
}
panicOnNil("EACLSource", prm.eaclSrc)
panicOnNil("EACLValidator", prm.validator)
panicOnNil("LocalStorageEngine", prm.localStorage)
panicOnNil("NetmapState", prm.state)
return &Checker{
eaclSrc: prm.eaclSrc,
validator: prm.validator,
localStorage: prm.localStorage,
state: prm.state,
}
}
// New is a constructor for object ACL checking service.
func New(opts ...Option) Service {
cfg := defaultCfg()
for i := range opts {
opts[i](cfg)
}
cfg.eACL = eaclSDK.NewValidator()
return Service{
cfg: cfg,
}
}
func (b Service) Get(request *object.GetRequest, stream objectSvc.GetObjectStream) error {
idCnr, err := getContainerIDFromRequest(request)
if err != nil {
return err
}
sTok := originalSessionToken(request.GetMetaHeader())
req := metaWithToken{
vheader: request.GetVerificationHeader(),
token: sTok,
bearer: originalBearerToken(request.GetMetaHeader()),
src: request,
}
reqInfo, err := b.findRequestInfo(req, idCnr, eaclSDK.OperationGet)
if err != nil {
return err
}
reqInfo.oid = getObjectIDFromRequestBody(request.GetBody())
useObjectIDFromSession(&reqInfo, sTok)
if !basicACLCheck(reqInfo) {
return basicACLErr(reqInfo)
} else if !eACLCheck(request, reqInfo, b.eACLCfg) {
return eACLErr(reqInfo)
}
return b.next.Get(request, &getStreamBasicChecker{
GetObjectStream: stream,
info: reqInfo,
eACLCfg: b.eACLCfg,
})
}
func (b Service) Put(ctx context.Context) (objectSvc.PutObjectStream, error) {
streamer, err := b.next.Put(ctx)
return putStreamBasicChecker{
source: &b,
next: streamer,
eACLCfg: b.eACLCfg,
}, err
}
func (b Service) Head(
ctx context.Context,
request *object.HeadRequest) (*object.HeadResponse, error) {
idCnr, err := getContainerIDFromRequest(request)
if err != nil {
return nil, err
}
sTok := originalSessionToken(request.GetMetaHeader())
req := metaWithToken{
vheader: request.GetVerificationHeader(),
token: sTok,
bearer: originalBearerToken(request.GetMetaHeader()),
src: request,
}
reqInfo, err := b.findRequestInfo(req, idCnr, eaclSDK.OperationHead)
if err != nil {
return nil, err
}
reqInfo.oid = getObjectIDFromRequestBody(request.GetBody())
useObjectIDFromSession(&reqInfo, sTok)
if !basicACLCheck(reqInfo) {
return nil, basicACLErr(reqInfo)
} else if !eACLCheck(request, reqInfo, b.eACLCfg) {
return nil, eACLErr(reqInfo)
}
resp, err := b.next.Head(ctx, request)
if err == nil {
if !eACLCheck(resp, reqInfo, b.eACLCfg) {
err = eACLErr(reqInfo)
}
}
return resp, err
}
func (b Service) Search(request *object.SearchRequest, stream objectSvc.SearchStream) error {
var id *cid.ID
id, err := getContainerIDFromRequest(request)
if err != nil {
return err
}
req := metaWithToken{
vheader: request.GetVerificationHeader(),
token: originalSessionToken(request.GetMetaHeader()),
bearer: originalBearerToken(request.GetMetaHeader()),
src: request,
}
reqInfo, err := b.findRequestInfo(req, id, eaclSDK.OperationSearch)
if err != nil {
return err
}
reqInfo.oid = getObjectIDFromRequestBody(request.GetBody())
if !basicACLCheck(reqInfo) {
return basicACLErr(reqInfo)
} else if !eACLCheck(request, reqInfo, b.eACLCfg) {
return eACLErr(reqInfo)
}
return b.next.Search(request, &searchStreamBasicChecker{
SearchStream: stream,
info: reqInfo,
eACLCfg: b.eACLCfg,
})
}
func (b Service) Delete(
ctx context.Context,
request *object.DeleteRequest) (*object.DeleteResponse, error) {
idCnr, err := getContainerIDFromRequest(request)
if err != nil {
return nil, err
}
sTok := originalSessionToken(request.GetMetaHeader())
req := metaWithToken{
vheader: request.GetVerificationHeader(),
token: sTok,
bearer: originalBearerToken(request.GetMetaHeader()),
src: request,
}
reqInfo, err := b.findRequestInfo(req, idCnr, eaclSDK.OperationDelete)
if err != nil {
return nil, err
}
reqInfo.oid = getObjectIDFromRequestBody(request.GetBody())
useObjectIDFromSession(&reqInfo, sTok)
if !basicACLCheck(reqInfo) {
return nil, basicACLErr(reqInfo)
} else if !eACLCheck(request, reqInfo, b.eACLCfg) {
return nil, eACLErr(reqInfo)
}
return b.next.Delete(ctx, request)
}
func (b Service) GetRange(request *object.GetRangeRequest, stream objectSvc.GetObjectRangeStream) error {
idCnr, err := getContainerIDFromRequest(request)
if err != nil {
return err
}
sTok := originalSessionToken(request.GetMetaHeader())
req := metaWithToken{
vheader: request.GetVerificationHeader(),
token: sTok,
bearer: originalBearerToken(request.GetMetaHeader()),
src: request,
}
reqInfo, err := b.findRequestInfo(req, idCnr, eaclSDK.OperationRange)
if err != nil {
return err
}
reqInfo.oid = getObjectIDFromRequestBody(request.GetBody())
useObjectIDFromSession(&reqInfo, sTok)
if !basicACLCheck(reqInfo) {
return basicACLErr(reqInfo)
} else if !eACLCheck(request, reqInfo, b.eACLCfg) {
return eACLErr(reqInfo)
}
return b.next.GetRange(request, &rangeStreamBasicChecker{
GetObjectRangeStream: stream,
info: reqInfo,
eACLCfg: b.eACLCfg,
})
}
func (b Service) GetRangeHash(
ctx context.Context,
request *object.GetRangeHashRequest) (*object.GetRangeHashResponse, error) {
idCnr, err := getContainerIDFromRequest(request)
if err != nil {
return nil, err
}
sTok := originalSessionToken(request.GetMetaHeader())
req := metaWithToken{
vheader: request.GetVerificationHeader(),
token: sTok,
bearer: originalBearerToken(request.GetMetaHeader()),
src: request,
}
reqInfo, err := b.findRequestInfo(req, idCnr, eaclSDK.OperationRangeHash)
if err != nil {
return nil, err
}
reqInfo.oid = getObjectIDFromRequestBody(request.GetBody())
useObjectIDFromSession(&reqInfo, sTok)
if !basicACLCheck(reqInfo) {
return nil, basicACLErr(reqInfo)
} else if !eACLCheck(request, reqInfo, b.eACLCfg) {
return nil, eACLErr(reqInfo)
}
return b.next.GetRangeHash(ctx, request)
}
func (p putStreamBasicChecker) Send(request *object.PutRequest) error {
body := request.GetBody()
if body == nil {
return ErrMalformedRequest
}
part := body.GetObjectPart()
if part, ok := part.(*object.PutObjectPartInit); ok {
idCnr, err := getContainerIDFromRequest(request)
if err != nil {
return err
}
ownerID, err := getObjectOwnerFromMessage(request)
if err != nil {
return err
}
sTok := request.GetMetaHeader().GetSessionToken()
req := metaWithToken{
vheader: request.GetVerificationHeader(),
token: sTok,
bearer: originalBearerToken(request.GetMetaHeader()),
src: request,
}
reqInfo, err := p.source.findRequestInfo(req, idCnr, eaclSDK.OperationPut)
if err != nil {
return err
}
reqInfo.oid = getObjectIDFromRequestBody(part)
useObjectIDFromSession(&reqInfo, sTok)
if !basicACLCheck(reqInfo) || !stickyBitCheck(reqInfo, ownerID) {
return basicACLErr(reqInfo)
} else if !eACLCheck(request, reqInfo, p.eACLCfg) {
return eACLErr(reqInfo)
}
}
return p.next.Send(request)
}
func (p putStreamBasicChecker) CloseAndRecv() (*object.PutResponse, error) {
return p.next.CloseAndRecv()
}
func (g *getStreamBasicChecker) Send(resp *object.GetResponse) error {
if _, ok := resp.GetBody().GetObjectPart().(*object.GetObjectPartInit); ok {
if !eACLCheck(resp, g.info, g.eACLCfg) {
return eACLErr(g.info)
}
}
return g.GetObjectStream.Send(resp)
}
func (g *rangeStreamBasicChecker) Send(resp *object.GetRangeResponse) error {
if !eACLCheck(resp, g.info, g.eACLCfg) {
return eACLErr(g.info)
}
return g.GetObjectRangeStream.Send(resp)
}
func (g *searchStreamBasicChecker) Send(resp *object.SearchResponse) error {
if !eACLCheck(resp, g.info, g.eACLCfg) {
return eACLErr(g.info)
}
return g.SearchStream.Send(resp)
}
func (b Service) findRequestInfo(
req metaWithToken,
cid *cid.ID,
op eaclSDK.Operation) (info requestInfo, err error) {
cnr, err := b.containers.Get(cid) // fetch actual container
if err != nil || cnr.OwnerID() == nil {
return info, ErrUnknownContainer
}
// find request role and key
role, isIR, key, err := b.sender.Classify(req, cid, cnr)
if err != nil {
return info, err
}
if role == eaclSDK.RoleUnknown {
return info, ErrUnknownRole
}
// find verb from token if it is present
verb := sourceVerbOfRequest(req, op)
info.basicACL = basicACLHelper(cnr.BasicACL())
info.requestRole = role
info.isInnerRing = isIR
info.operation = verb
info.cnrOwner = cnr.OwnerID()
info.cid = cid
// it is assumed that at the moment the key will be valid,
// otherwise the request would not pass validation
info.senderKey = key
// add bearer token if it is present in request
info.bearer = req.bearer
info.srcRequest = req.src
return info, nil
}
func getContainerIDFromRequest(req interface{}) (id *cid.ID, err error) {
switch v := req.(type) {
case *object.GetRequest:
return cid.NewFromV2(v.GetBody().GetAddress().GetContainerID()), nil
case *object.PutRequest:
objPart := v.GetBody().GetObjectPart()
if part, ok := objPart.(*object.PutObjectPartInit); ok {
return cid.NewFromV2(part.GetHeader().GetContainerID()), nil
}
return nil, errors.New("can't get cid in chunk")
case *object.HeadRequest:
return cid.NewFromV2(v.GetBody().GetAddress().GetContainerID()), nil
case *object.SearchRequest:
return cid.NewFromV2(v.GetBody().GetContainerID()), nil
case *object.DeleteRequest:
return cid.NewFromV2(v.GetBody().GetAddress().GetContainerID()), nil
case *object.GetRangeRequest:
return cid.NewFromV2(v.GetBody().GetAddress().GetContainerID()), nil
case *object.GetRangeHashRequest:
return cid.NewFromV2(v.GetBody().GetAddress().GetContainerID()), nil
default:
return nil, errors.New("unknown request type")
}
}
func useObjectIDFromSession(req *requestInfo, token *session.Token) {
if token == nil {
return
}
objCtx, ok := token.GetBody().GetContext().(*session.ObjectSessionContext)
if !ok {
return
}
req.oid = objectSDKID.NewIDFromV2(
objCtx.GetAddress().GetObjectID(),
)
}
func getObjectIDFromRequestBody(body interface{}) *objectSDKID.ID {
switch v := body.(type) {
default:
return nil
case interface {
GetObjectID() *refs.ObjectID
}:
return objectSDKID.NewIDFromV2(v.GetObjectID())
case interface {
GetAddress() *refs.Address
}:
return objectSDKID.NewIDFromV2(v.GetAddress().GetObjectID())
}
}
func getObjectOwnerFromMessage(req interface{}) (id *owner.ID, err error) {
switch v := req.(type) {
case *object.PutRequest:
objPart := v.GetBody().GetObjectPart()
if part, ok := objPart.(*object.PutObjectPartInit); ok {
return owner.NewIDFromV2(part.GetHeader().GetOwnerID()), nil
}
return nil, errors.New("can't get cid in chunk")
case *object.GetResponse:
objPart := v.GetBody().GetObjectPart()
if part, ok := objPart.(*object.GetObjectPartInit); ok {
return owner.NewIDFromV2(part.GetHeader().GetOwnerID()), nil
}
return nil, errors.New("can't get cid in chunk")
default:
return nil, errors.New("unsupported request type")
}
}
// main check function for basic ACL
func basicACLCheck(info requestInfo) bool {
// CheckBasicACL is a main check function for basic ACL.
func (c *Checker) CheckBasicACL(info v2.RequestInfo) bool {
// check basic ACL permissions
var checkFn func(eaclSDK.Operation) bool
switch info.requestRole {
switch info.RequestRole() {
case eaclSDK.RoleUser:
checkFn = info.basicACL.UserAllowed
checkFn = basicACLHelper(info.BasicACL()).UserAllowed
case eaclSDK.RoleSystem:
checkFn = info.basicACL.SystemAllowed
if info.isInnerRing {
checkFn = info.basicACL.InnerRingAllowed
checkFn = basicACLHelper(info.BasicACL()).SystemAllowed
if info.IsInnerRing() {
checkFn = basicACLHelper(info.BasicACL()).InnerRingAllowed
}
case eaclSDK.RoleOthers:
checkFn = info.basicACL.OthersAllowed
checkFn = basicACLHelper(info.BasicACL()).OthersAllowed
default:
// log there
return false
}
return checkFn(info.operation)
return checkFn(info.Operation())
}
func stickyBitCheck(info requestInfo, owner *owner.ID) bool {
// StickyBitCheck validates owner field in the request if sticky bit is enabled.
func (c *Checker) StickyBitCheck(info v2.RequestInfo, owner *owner.ID) bool {
// According to NeoFS specification sticky bit has no effect on system nodes
// for correct intra-container work with objects (in particular, replication).
if info.requestRole == eaclSDK.RoleSystem {
if info.RequestRole() == eaclSDK.RoleSystem {
return true
}
if !info.basicACL.Sticky() {
if !basicACLHelper(info.BasicACL()).Sticky() {
return true
}
if owner == nil || len(info.senderKey) == 0 {
if owner == nil || len(info.SenderKey()) == 0 {
return false
}
requestSenderKey := unmarshalPublicKey(info.senderKey)
requestSenderKey := unmarshalPublicKey(info.SenderKey())
return isOwnerFromKey(owner, requestSenderKey)
}
func eACLCheck(msg interface{}, reqInfo requestInfo, cfg *eACLCfg) bool {
if reqInfo.basicACL.Final() {
// CheckEACL is a main check function for extended ACL.
func (c *Checker) CheckEACL(msg interface{}, reqInfo v2.RequestInfo) bool {
if basicACLHelper(reqInfo.BasicACL()).Final() {
return true
}
// if bearer token is not allowed, then ignore it
if !reqInfo.basicACL.BearerAllowed(reqInfo.operation) {
reqInfo.bearer = nil
if !basicACLHelper(reqInfo.BasicACL()).BearerAllowed(reqInfo.Operation()) {
reqInfo.CleanBearer()
}
var (
@ -616,29 +139,29 @@ func eACLCheck(msg interface{}, reqInfo requestInfo, cfg *eACLCfg) bool {
err error
)
if reqInfo.bearer == nil {
table, err = cfg.eaclSource.GetEACL(reqInfo.cid)
if reqInfo.Bearer().Empty() {
table, err = c.eaclSrc.GetEACL(reqInfo.ContainerID())
if err != nil {
return errors.Is(err, container.ErrEACLNotFound)
}
} else {
table = eaclSDK.NewTableFromV2(reqInfo.bearer.GetBody().GetEACL())
table = reqInfo.Bearer().EACLTable()
}
// if bearer token is not present, isValidBearer returns true
if !isValidBearer(reqInfo, cfg.state) {
if !isValidBearer(reqInfo, c.state) {
return false
}
hdrSrcOpts := make([]eaclV2.Option, 0, 3)
addr := objectSDKAddress.NewAddress()
addr.SetContainerID(reqInfo.cid)
addr.SetObjectID(reqInfo.oid)
addr := addressSDK.NewAddress()
addr.SetContainerID(reqInfo.ContainerID())
addr.SetObjectID(reqInfo.ObjectID())
hdrSrcOpts = append(hdrSrcOpts,
eaclV2.WithLocalObjectStorage(cfg.localStorage),
eaclV2.WithAddress(addr.ToV2()),
eaclV2.WithLocalObjectStorage(c.localStorage),
eaclV2.WithAddress(addr),
)
if req, ok := msg.(eaclV2.Request); ok {
@ -647,16 +170,16 @@ func eACLCheck(msg interface{}, reqInfo requestInfo, cfg *eACLCfg) bool {
hdrSrcOpts = append(hdrSrcOpts,
eaclV2.WithServiceResponse(
msg.(eaclV2.Response),
reqInfo.srcRequest.(eaclV2.Request),
reqInfo.Request().(eaclV2.Request),
),
)
}
action := cfg.eACL.CalculateAction(new(eaclSDK.ValidationUnit).
WithRole(reqInfo.requestRole).
WithOperation(reqInfo.operation).
WithContainerID(reqInfo.cid).
WithSenderKey(reqInfo.senderKey).
action := c.validator.CalculateAction(new(eaclSDK.ValidationUnit).
WithRole(reqInfo.RequestRole()).
WithOperation(reqInfo.Operation()).
WithContainerID(reqInfo.ContainerID()).
WithSenderKey(reqInfo.SenderKey()).
WithHeaderSource(
eaclV2.NewMessageHeaderSource(hdrSrcOpts...),
).
@ -666,97 +189,39 @@ func eACLCheck(msg interface{}, reqInfo requestInfo, cfg *eACLCfg) bool {
return action == eaclSDK.ActionAllow
}
// sourceVerbOfRequest looks for verb in session token and if it is not found,
// returns reqVerb.
func sourceVerbOfRequest(req metaWithToken, reqVerb eaclSDK.Operation) eaclSDK.Operation {
if req.token != nil {
switch v := req.token.GetBody().GetContext().(type) {
case *session.ObjectSessionContext:
return tokenVerbToOperation(v.GetVerb())
default:
// do nothing, return request verb
}
}
return reqVerb
}
func tokenVerbToOperation(verb session.ObjectSessionVerb) eaclSDK.Operation {
switch verb {
case session.ObjectVerbGet:
return eaclSDK.OperationGet
case session.ObjectVerbPut:
return eaclSDK.OperationPut
case session.ObjectVerbHead:
return eaclSDK.OperationHead
case session.ObjectVerbSearch:
return eaclSDK.OperationSearch
case session.ObjectVerbDelete:
return eaclSDK.OperationDelete
case session.ObjectVerbRange:
return eaclSDK.OperationRange
case session.ObjectVerbRangeHash:
return eaclSDK.OperationRangeHash
default:
return eaclSDK.OperationUnknown
}
}
func (a *accessErr) Error() string {
return fmt.Sprintf("access to operation %v is denied by %s check", a.operation, a.failedCheckTyp)
}
func basicACLErr(info requestInfo) error {
return &accessErr{
requestInfo: info,
failedCheckTyp: "basic ACL",
}
}
func eACLErr(info requestInfo) error {
return &accessErr{
requestInfo: info,
failedCheckTyp: "extended ACL",
}
}
// isValidBearer returns true if bearer token correctly signed by authorized
// entity. This method might be define on whole ACL service because it will
// require to fetch current epoch to check lifetime.
func isValidBearer(reqInfo requestInfo, st netmap.State) bool {
token := reqInfo.bearer
// entity. This method might be defined on whole ACL service because it will
// require fetching current epoch to check lifetime.
func isValidBearer(reqInfo v2.RequestInfo, st netmap.State) bool {
token := reqInfo.Bearer()
// 0. Check if bearer token is present in reqInfo. It might be non nil
// empty structure.
if token == nil || (token.GetBody() == nil && token.GetSignature() == nil) {
if token == nil || token.Empty() {
return true
}
// 1. First check token lifetime. Simplest verification.
if !isValidLifetime(token.GetBody().GetLifetime(), st.CurrentEpoch()) {
if !isValidLifetime(token, st.CurrentEpoch()) {
return false
}
// 2. Then check if bearer token is signed correctly.
signWrapper := v2signature.StableMarshalerWrapper{SM: token.GetBody()}
if err := signature.VerifyDataWithSource(signWrapper, func() (key, sig []byte) {
tokenSignature := token.GetSignature()
return tokenSignature.GetKey(), tokenSignature.GetSign()
}); err != nil {
if err := token.VerifySignature(); err != nil {
return false // invalid signature
}
// 3. Then check if container owner signed this token.
tokenIssuerKey := unmarshalPublicKey(token.GetSignature().GetKey())
if !isOwnerFromKey(reqInfo.cnrOwner, tokenIssuerKey) {
tokenIssuerKey := unmarshalPublicKey(token.Signature().Key())
if !isOwnerFromKey(reqInfo.ContainerOwner(), tokenIssuerKey) {
// TODO: #767 in this case we can issue all owner keys from neofs.id and check once again
return false
}
// 4. Then check if request sender has rights to use this token.
tokenOwnerField := owner.NewIDFromV2(token.GetBody().GetOwnerID())
tokenOwnerField := token.OwnerID()
if tokenOwnerField != nil { // see bearer token owner field description
requestSenderKey := unmarshalPublicKey(reqInfo.senderKey)
requestSenderKey := unmarshalPublicKey(reqInfo.SenderKey())
if !isOwnerFromKey(tokenOwnerField, requestSenderKey) {
// TODO: #767 in this case we can issue all owner keys from neofs.id and check once again
return false
@ -766,13 +231,13 @@ func isValidBearer(reqInfo requestInfo, st netmap.State) bool {
return true
}
func isValidLifetime(lifetime *bearer.TokenLifetime, epoch uint64) bool {
func isValidLifetime(t *bearerSDK.BearerToken, epoch uint64) bool {
// The "exp" (expiration time) claim identifies the expiration time on
// or after which the JWT MUST NOT be accepted for processing.
// The "nbf" (not before) claim identifies the time before which the JWT
// MUST NOT be accepted for processing
// RFC 7519 sections 4.1.4, 4.1.5
return epoch >= lifetime.GetNbf() && epoch <= lifetime.GetExp()
return epoch >= t.NotBeforeTime() && epoch <= t.Expiration()
}
func isOwnerFromKey(id *owner.ID, key *keys.PublicKey) bool {
@ -783,22 +248,10 @@ func isOwnerFromKey(id *owner.ID, key *keys.PublicKey) bool {
return id.Equal(owner.NewIDFromPublicKey((*ecdsa.PublicKey)(key)))
}
// originalBearerToken goes down to original request meta header and fetches
// bearer token from there.
func originalBearerToken(header *session.RequestMetaHeader) *bearer.BearerToken {
for header.GetOrigin() != nil {
header = header.GetOrigin()
func unmarshalPublicKey(bs []byte) *keys.PublicKey {
pub, err := keys.NewPublicKeyFromBytes(bs, elliptic.P256())
if err != nil {
return nil
}
return header.GetBearerToken()
}
// originalSessionToken goes down to original request meta header and fetches
// session token from there.
func originalSessionToken(header *session.RequestMetaHeader) *session.Token {
for header.GetOrigin() != nil {
header = header.GetOrigin()
}
return header.GetSessionToken()
return pub
}

83
pkg/services/object/acl/acl_test.go
View file

@ -3,71 +3,66 @@ package acl
import (
"testing"
"github.com/nspcc-dev/neofs-api-go/v2/acl"
acltest "github.com/nspcc-dev/neofs-api-go/v2/acl/test"
"github.com/nspcc-dev/neofs-api-go/v2/session"
sessiontest "github.com/nspcc-dev/neofs-api-go/v2/session/test"
"github.com/nspcc-dev/neofs-sdk-go/eacl"
"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/engine"
v2 "github.com/nspcc-dev/neofs-node/pkg/services/object/acl/v2"
cidSDK "github.com/nspcc-dev/neofs-sdk-go/container/id"
eaclSDK "github.com/nspcc-dev/neofs-sdk-go/eacl"
"github.com/nspcc-dev/neofs-sdk-go/owner"
ownertest "github.com/nspcc-dev/neofs-sdk-go/owner/test"
"github.com/stretchr/testify/require"
)
func TestOriginalTokens(t *testing.T) {
sToken := sessiontest.GenerateSessionToken(false)
bToken := acltest.GenerateBearerToken(false)
type emptyEACLSource struct{}
for i := 0; i < 10; i++ {
metaHeaders := testGenerateMetaHeader(uint32(i), bToken, sToken)
require.Equal(t, sToken, originalSessionToken(metaHeaders), i)
require.Equal(t, bToken, originalBearerToken(metaHeaders), i)
}
func (e emptyEACLSource) GetEACL(_ *cidSDK.ID) (*eaclSDK.Table, error) {
return nil, nil
}
func testGenerateMetaHeader(depth uint32, b *acl.BearerToken, s *session.Token) *session.RequestMetaHeader {
metaHeader := new(session.RequestMetaHeader)
metaHeader.SetBearerToken(b)
metaHeader.SetSessionToken(s)
type emptyNetmapState struct{}
for i := uint32(0); i < depth; i++ {
link := metaHeader
metaHeader = new(session.RequestMetaHeader)
metaHeader.SetOrigin(link)
}
return metaHeader
func (e emptyNetmapState) CurrentEpoch() uint64 {
return 0
}
func TestStickyCheck(t *testing.T) {
checker := NewChecker(new(CheckerPrm).
SetLocalStorage(&engine.StorageEngine{}).
SetValidator(eaclSDK.NewValidator()).
SetEACLSource(emptyEACLSource{}).
SetNetmapState(emptyNetmapState{}),
)
t.Run("system role", func(t *testing.T) {
var info requestInfo
var info v2.RequestInfo
info.senderKey = make([]byte, 33) // any non-empty key
info.requestRole = eacl.RoleSystem
info.SetSenderKey(make([]byte, 33)) // any non-empty key
info.SetRequestRole(eaclSDK.RoleSystem)
info.basicACL.SetSticky()
require.True(t, stickyBitCheck(info, ownertest.ID()))
setSticky(&info, true)
info.basicACL.ResetSticky()
require.True(t, stickyBitCheck(info, ownertest.ID()))
require.True(t, checker.StickyBitCheck(info, ownertest.ID()))
setSticky(&info, false)
require.True(t, checker.StickyBitCheck(info, ownertest.ID()))
})
t.Run("owner ID and/or public key emptiness", func(t *testing.T) {
var info requestInfo
var info v2.RequestInfo
info.requestRole = eacl.RoleOthers // should be non-system role
info.SetRequestRole(eaclSDK.RoleOthers) // should be non-system role
assertFn := func(isSticky, withKey, withOwner, expected bool) {
if isSticky {
info.basicACL.SetSticky()
setSticky(&info, true)
} else {
info.basicACL.ResetSticky()
setSticky(&info, false)
}
if withKey {
info.senderKey = make([]byte, 33)
info.SetSenderKey(make([]byte, 33))
} else {
info.senderKey = nil
info.SetSenderKey(nil)
}
var ownerID *owner.ID
@ -76,7 +71,7 @@ func TestStickyCheck(t *testing.T) {
ownerID = ownertest.ID()
}
require.Equal(t, expected, stickyBitCheck(info, ownerID))
require.Equal(t, expected, checker.StickyBitCheck(info, ownerID))
}
assertFn(true, false, false, false)
@ -88,3 +83,15 @@ func TestStickyCheck(t *testing.T) {
assertFn(false, true, true, true)
})
}
func setSticky(req *v2.RequestInfo, enabled bool) {
bh := basicACLHelper(req.BasicACL())
if enabled {
bh.SetSticky()
} else {
bh.ResetSticky()
}
req.SetBasicACL(uint32(bh))
}

6
pkg/services/object/acl/basic_helper.go
View file

@ -28,8 +28,7 @@ const (
const leftACLBitPos = opOffset + bitsPerOp*opNumber - 1
var (
order = map[eacl.Operation]uint8{
var order = map[eacl.Operation]uint8{
eacl.OperationRangeHash: 0,
eacl.OperationRange: 1,
eacl.OperationSearch: 2,
@ -37,8 +36,7 @@ var (
eacl.OperationPut: 4,
eacl.OperationHead: 5,
eacl.OperationGet: 6,
}
)
}
// returns true if n-th left bit is set (starting at 0).
func isLeftBitSet(value basicACLHelper, n uint8) bool {

219
pkg/services/object/acl/classifier.go
View file

@ -1,219 +0,0 @@
package acl
import (
"bytes"
"crypto/ecdsa"
"crypto/elliptic"
"fmt"
"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
bearer "github.com/nspcc-dev/neofs-api-go/v2/acl"
"github.com/nspcc-dev/neofs-api-go/v2/session"
v2signature "github.com/nspcc-dev/neofs-api-go/v2/signature"
core "github.com/nspcc-dev/neofs-node/pkg/core/netmap"
"github.com/nspcc-dev/neofs-sdk-go/container"
cid "github.com/nspcc-dev/neofs-sdk-go/container/id"
eaclSDK "github.com/nspcc-dev/neofs-sdk-go/eacl"
"github.com/nspcc-dev/neofs-sdk-go/netmap"
"github.com/nspcc-dev/neofs-sdk-go/owner"
"github.com/nspcc-dev/neofs-sdk-go/signature"
sigutil "github.com/nspcc-dev/neofs-sdk-go/util/signature"
"go.uber.org/zap"
)
type (
InnerRingFetcher interface {
InnerRingKeys() ([][]byte, error)
}
metaWithToken struct {
vheader *session.RequestVerificationHeader
token *session.Token
bearer *bearer.BearerToken
src interface{}
}
SenderClassifier struct {
log *zap.Logger
innerRing InnerRingFetcher
netmap core.Source
}
)
func NewSenderClassifier(l *zap.Logger, ir InnerRingFetcher, nm core.Source) SenderClassifier {
return SenderClassifier{
log: l,
innerRing: ir,
netmap: nm,
}
}
func (c SenderClassifier) Classify(
req metaWithToken,
cid *cid.ID,
cnr *container.Container) (role eaclSDK.Role, isIR bool, key []byte, err error) {
if cid == nil {
return 0, false, nil, fmt.Errorf("%w: container id is not set", ErrMalformedRequest)
}
ownerID, ownerKey, err := requestOwner(req)
if err != nil {
return 0, false, nil, err
}
ownerKeyInBytes := ownerKey.Bytes()
// TODO: #767 get owner from neofs.id if present
// if request owner is the same as container owner, return RoleUser
if ownerID.Equal(cnr.OwnerID()) {
return eaclSDK.RoleUser, false, ownerKeyInBytes, nil
}
isInnerRingNode, err := c.isInnerRingKey(ownerKeyInBytes)
if err != nil {
// do not throw error, try best case matching
c.log.Debug("can't check if request from inner ring",
zap.String("error", err.Error()))
} else if isInnerRingNode {
return eaclSDK.RoleSystem, true, ownerKeyInBytes, nil
}
isContainerNode, err := c.isContainerKey(ownerKeyInBytes, cid.ToV2().GetValue(), cnr)
if err != nil {
// error might happen if request has `RoleOther` key and placement
// is not possible for previous epoch, so
// do not throw error, try best case matching
c.log.Debug("can't check if request from container node",
zap.String("error", err.Error()))
} else if isContainerNode {
return eaclSDK.RoleSystem, false, ownerKeyInBytes, nil
}
// if none of above, return RoleOthers
return eaclSDK.RoleOthers, false, ownerKeyInBytes, nil
}
func requestOwner(req metaWithToken) (*owner.ID, *keys.PublicKey, error) {
if req.vheader == nil {
return nil, nil, fmt.Errorf("%w: nil verification header", ErrMalformedRequest)
}
// if session token is presented, use it as truth source
if req.token.GetBody() != nil {
// verify signature of session token
return ownerFromToken(req.token)
}
// otherwise get original body signature
bodySignature := originalBodySignature(req.vheader)
if bodySignature == nil {
return nil, nil, fmt.Errorf("%w: nil at body signature", ErrMalformedRequest)
}
key := unmarshalPublicKey(bodySignature.Key())
return owner.NewIDFromPublicKey((*ecdsa.PublicKey)(key)), key, nil
}
func originalBodySignature(v *session.RequestVerificationHeader) *signature.Signature {
if v == nil {
return nil
}
for v.GetOrigin() != nil {
v = v.GetOrigin()
}
return signature.NewFromV2(v.GetBodySignature())
}
func (c SenderClassifier) isInnerRingKey(owner []byte) (bool, error) {
innerRingKeys, err := c.innerRing.InnerRingKeys()
if err != nil {
return false, err
}
// if request owner key in the inner ring list, return RoleSystem
for i := range innerRingKeys {
if bytes.Equal(innerRingKeys[i], owner) {
return true, nil
}
}
return false, nil
}
func (c SenderClassifier) isContainerKey(
owner, cid []byte,
cnr *container.Container) (bool, error) {
nm, err := core.GetLatestNetworkMap(c.netmap) // first check current netmap
if err != nil {
return false, err
}
in, err := lookupKeyInContainer(nm, owner, cid, cnr)
if err != nil {
return false, err
} else if in {
return true, nil
}
// then check previous netmap, this can happen in-between epoch change
// when node migrates data from last epoch container
nm, err = core.GetPreviousNetworkMap(c.netmap)
if err != nil {
return false, err
}
return lookupKeyInContainer(nm, owner, cid, cnr)
}
func lookupKeyInContainer(
nm *netmap.Netmap,
owner, cid []byte,
cnr *container.Container) (bool, error) {
cnrNodes, err := nm.GetContainerNodes(cnr.PlacementPolicy(), cid)
if err != nil {
return false, err
}
flatCnrNodes := cnrNodes.Flatten() // we need single array to iterate on
for i := range flatCnrNodes {
if bytes.Equal(flatCnrNodes[i].PublicKey(), owner) {
return true, nil
}
}
return false, nil
}
func ownerFromToken(token *session.Token) (*owner.ID, *keys.PublicKey, error) {
// 1. First check signature of session token.
signWrapper := v2signature.StableMarshalerWrapper{SM: token.GetBody()}
if err := sigutil.VerifyDataWithSource(signWrapper, func() (key, sig []byte) {
tokenSignature := token.GetSignature()
return tokenSignature.GetKey(), tokenSignature.GetSign()
}); err != nil {
return nil, nil, fmt.Errorf("%w: invalid session token signature", ErrMalformedRequest)
}
// 2. Then check if session token owner issued the session token
tokenIssuerKey := unmarshalPublicKey(token.GetSignature().GetKey())
tokenOwner := owner.NewIDFromV2(token.GetBody().GetOwnerID())
if !isOwnerFromKey(tokenOwner, tokenIssuerKey) {
// TODO: #767 in this case we can issue all owner keys from neofs.id and check once again
return nil, nil, fmt.Errorf("%w: invalid session token owner", ErrMalformedRequest)
}
return tokenOwner, tokenIssuerKey, nil
}
func unmarshalPublicKey(bs []byte) *keys.PublicKey {
pub, err := keys.NewPublicKeyFromBytes(bs, elliptic.P256())
if err != nil {
return nil
}
return pub
}

30
pkg/services/object/acl/eacl/v2/headers.go
View file

@ -5,7 +5,6 @@ import (
"github.com/nspcc-dev/neofs-api-go/v2/acl"
objectV2 "github.com/nspcc-dev/neofs-api-go/v2/object"
"github.com/nspcc-dev/neofs-api-go/v2/refs"
"github.com/nspcc-dev/neofs-api-go/v2/session"
cid "github.com/nspcc-dev/neofs-sdk-go/container/id"
eaclSDK "github.com/nspcc-dev/neofs-sdk-go/eacl"
@ -22,7 +21,7 @@ type cfg struct {
msg xHeaderSource
addr *refs.Address
addr *objectSDKAddress.Address
}
type ObjectStorage interface {
@ -83,11 +82,6 @@ func requestHeaders(msg xHeaderSource) []eaclSDK.Header {
}
func (h *headerSource) objectHeaders() ([]eaclSDK.Header, bool) {
var addr *objectSDKAddress.Address
if h.addr != nil {
addr = objectSDKAddress.NewAddressFromV2(h.addr)
}
switch m := h.msg.(type) {
default:
panic(fmt.Sprintf("unexpected message type %T", h.msg))
@ -101,20 +95,20 @@ func (h *headerSource) objectHeaders() ([]eaclSDK.Header, bool) {
*objectV2.GetRangeRequest,
*objectV2.GetRangeHashRequest,
*objectV2.DeleteRequest:
return addressHeaders(objectSDKAddress.NewAddressFromV2(h.addr)), true
return addressHeaders(h.addr), true
case *objectV2.PutRequest:
if v, ok := req.GetBody().GetObjectPart().(*objectV2.PutObjectPartInit); ok {
oV2 := new(objectV2.Object)
oV2.SetObjectID(v.GetObjectID())
oV2.SetHeader(v.GetHeader())
if addr == nil {
addr = objectSDKAddress.NewAddress()
if h.addr == nil {
addr := objectSDKAddress.NewAddress()
addr.SetContainerID(cid.NewFromV2(v.GetHeader().GetContainerID()))
addr.SetObjectID(objectSDKID.NewIDFromV2(v.GetObjectID()))
}
hs := headersFromObject(object.NewFromV2(oV2), addr)
hs := headersFromObject(object.NewFromV2(oV2), h.addr)
return hs, true
}
@ -135,7 +129,7 @@ func (h *headerSource) objectHeaders() ([]eaclSDK.Header, bool) {
oV2.SetObjectID(v.GetObjectID())
oV2.SetHeader(v.GetHeader())
return headersFromObject(object.NewFromV2(oV2), addr), true
return headersFromObject(object.NewFromV2(oV2), h.addr), true
}
case *objectV2.HeadResponse:
oV2 := new(objectV2.Object)
@ -146,7 +140,7 @@ func (h *headerSource) objectHeaders() ([]eaclSDK.Header, bool) {
case *objectV2.ShortHeader:
hdr = new(objectV2.Header)
hdr.SetContainerID(h.addr.GetContainerID())
hdr.SetContainerID(h.addr.ContainerID().ToV2())
hdr.SetVersion(v.GetVersion())
hdr.SetCreationEpoch(v.GetCreationEpoch())
hdr.SetOwnerID(v.GetOwnerID())
@ -158,16 +152,14 @@ func (h *headerSource) objectHeaders() ([]eaclSDK.Header, bool) {
oV2.SetHeader(hdr)
return headersFromObject(object.NewFromV2(oV2), addr), true
return headersFromObject(object.NewFromV2(oV2), h.addr), true
}
}
return nil, true
}
func (h *headerSource) localObjectHeaders(addrV2 *refs.Address) ([]eaclSDK.Header, bool) {
addr := objectSDKAddress.NewAddressFromV2(addrV2)
func (h *headerSource) localObjectHeaders(addr *objectSDKAddress.Address) ([]eaclSDK.Header, bool) {
obj, err := h.storage.Head(addr)
if err == nil {
return headersFromObject(obj, addr), true
@ -176,10 +168,10 @@ func (h *headerSource) localObjectHeaders(addrV2 *refs.Address) ([]eaclSDK.Heade
return addressHeaders(addr), false
}
func cidHeader(cid *cid.ID) eaclSDK.Header {
func cidHeader(idCnr *cid.ID) eaclSDK.Header {
return &sysObjHdr{
k: acl.FilterObjectContainerID,
v: cidValue(cid),
v: cidValue(idCnr),
}
}

4
pkg/services/object/acl/eacl/v2/localstore.go
View file

@ -4,7 +4,7 @@ import (
"io"
"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/engine"
"github.com/nspcc-dev/neofs-sdk-go/object"
objectSDK "github.com/nspcc-dev/neofs-sdk-go/object"
objectSDKAddress "github.com/nspcc-dev/neofs-sdk-go/object/address"
)
@ -12,7 +12,7 @@ type localStorage struct {
ls *engine.StorageEngine
}
func (s *localStorage) Head(addr *objectSDKAddress.Address) (*object.Object, error) {
func (s *localStorage) Head(addr *objectSDKAddress.Address) (*objectSDK.Object, error) {
if s.ls == nil {
return nil, io.ErrUnexpectedEOF
}

4
pkg/services/object/acl/eacl/v2/opts.go
View file

@ -1,8 +1,8 @@
package v2
import (
"github.com/nspcc-dev/neofs-api-go/v2/refs"
"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/engine"
addressSDK "github.com/nspcc-dev/neofs-sdk-go/object/address"
)
func WithObjectStorage(v ObjectStorage) Option {
@ -36,7 +36,7 @@ func WithServiceResponse(resp Response, req Request) Option {
}
}
func WithAddress(v *refs.Address) Option {
func WithAddress(v *addressSDK.Address) Option {
return func(c *cfg) {
c.addr = v
}

51
pkg/services/object/acl/opts.go
View file

@ -1,51 +0,0 @@
package acl
import (
"github.com/nspcc-dev/neofs-node/pkg/core/container"
"github.com/nspcc-dev/neofs-node/pkg/core/netmap"
"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/engine"
objectSvc "github.com/nspcc-dev/neofs-node/pkg/services/object"
"github.com/nspcc-dev/neofs-node/pkg/services/object/acl/eacl"
)
// WithContainerSource returns option to set container source.
func WithContainerSource(v container.Source) Option {
return func(c *cfg) {
c.containers = v
}
}
// WithSenderClassifier returns option to set sender classifier.
func WithSenderClassifier(v SenderClassifier) Option {
return func(c *cfg) {
c.sender = v
}
}
// WithNextService returns option to set next object service.
func WithNextService(v objectSvc.ServiceServer) Option {
return func(c *cfg) {
c.next = v
}
}
// WithEACLSource returns options to set eACL table source.
func WithEACLSource(v eacl.Source) Option {
return func(c *cfg) {
c.eACLCfg.eaclSource = v
}
}
// WithLocalStorage returns options to set local object storage.
func WithLocalStorage(v *engine.StorageEngine) Option {
return func(c *cfg) {
c.localStorage = v
}
}
// WithNetmapState returns options to set global netmap state.
func WithNetmapState(v netmap.State) Option {
return func(c *cfg) {
c.state = v
}
}

148
pkg/services/object/acl/v2/classifier.go Normal file
View file

@ -0,0 +1,148 @@
package v2
import (
"bytes"
"errors"
core "github.com/nspcc-dev/neofs-node/pkg/core/netmap"
"github.com/nspcc-dev/neofs-sdk-go/container"
cidSDK "github.com/nspcc-dev/neofs-sdk-go/container/id"
eaclSDK "github.com/nspcc-dev/neofs-sdk-go/eacl"
"github.com/nspcc-dev/neofs-sdk-go/netmap"
"go.uber.org/zap"
)
type senderClassifier struct {
log *zap.Logger
innerRing InnerRingFetcher
netmap core.Source
}
var errContainerIDNotSet = errors.New("container id is not set")
type classifyResult struct {
role eaclSDK.Role
isIR bool
key []byte
}
func (c senderClassifier) classify(
req MetaWithToken,
idCnr *cidSDK.ID,
cnr *container.Container) (res *classifyResult, err error) {
if idCnr == nil {
return nil, errContainerIDNotSet
}
ownerID, ownerKey, err := req.RequestOwner()
if err != nil {
return nil, err
}
ownerKeyInBytes := ownerKey.Bytes()
// TODO: #767 get owner from neofs.id if present
// if request owner is the same as container owner, return RoleUser
if ownerID.Equal(cnr.OwnerID()) {
return &classifyResult{
role: eaclSDK.RoleUser,
isIR: false,
key: ownerKeyInBytes,
}, nil
}
isInnerRingNode, err := c.isInnerRingKey(ownerKeyInBytes)
if err != nil {
// do not throw error, try best case matching
c.log.Debug("can't check if request from inner ring",
zap.String("error", err.Error()))
} else if isInnerRingNode {
return &classifyResult{
role: eaclSDK.RoleSystem,
isIR: true,
key: ownerKeyInBytes,
}, nil
}
isContainerNode, err := c.isContainerKey(ownerKeyInBytes, idCnr.ToV2().GetValue(), cnr)
if err != nil {
// error might happen if request has `RoleOther` key and placement
// is not possible for previous epoch, so
// do not throw error, try best case matching
c.log.Debug("can't check if request from container node",
zap.String("error", err.Error()))
} else if isContainerNode {
return &classifyResult{
role: eaclSDK.RoleSystem,
isIR: false,
key: ownerKeyInBytes,
}, nil
}
// if none of above, return RoleOthers
return &classifyResult{
role: eaclSDK.RoleOthers,
key: ownerKeyInBytes,
}, nil
}
func (c senderClassifier) isInnerRingKey(owner []byte) (bool, error) {
innerRingKeys, err := c.innerRing.InnerRingKeys()
if err != nil {
return false, err
}
// if request owner key in the inner ring list, return RoleSystem
for i := range innerRingKeys {
if bytes.Equal(innerRingKeys[i], owner) {
return true, nil
}
}
return false, nil
}
func (c senderClassifier) isContainerKey(
owner, idCnr []byte,
cnr *container.Container) (bool, error) {
nm, err := core.GetLatestNetworkMap(c.netmap) // first check current netmap
if err != nil {
return false, err
}
in, err := lookupKeyInContainer(nm, owner, idCnr, cnr)
if err != nil {
return false, err
} else if in {
return true, nil
}
// then check previous netmap, this can happen in-between epoch change
// when node migrates data from last epoch container
nm, err = core.GetPreviousNetworkMap(c.netmap)
if err != nil {
return false, err
}
return lookupKeyInContainer(nm, owner, idCnr, cnr)
}
func lookupKeyInContainer(
nm *netmap.Netmap,
owner, idCnr []byte,
cnr *container.Container) (bool, error) {
cnrNodes, err := nm.GetContainerNodes(cnr.PlacementPolicy(), idCnr)
if err != nil {
return false, err
}
flatCnrNodes := cnrNodes.Flatten() // we need single array to iterate on
for i := range flatCnrNodes {
if bytes.Equal(flatCnrNodes[i].PublicKey(), owner) {
return true, nil
}
}
return false, nil
}

40
pkg/services/object/acl/v2/errors.go Normal file
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package v2
import (
"errors"
"fmt"
)
var (
// ErrMalformedRequest is returned when request contains
// invalid data.
ErrMalformedRequest = errors.New("malformed request")
// ErrUnknownRole is returned when role of the sender is unknown.
ErrUnknownRole = errors.New("can't classify request sender")
// ErrUnknownContainer is returned when container fetching errors appeared.
ErrUnknownContainer = errors.New("can't fetch container info")
)
type accessErr struct {
RequestInfo
failedCheckTyp string
}
func (a *accessErr) Error() string {
return fmt.Sprintf("access to operation %v is denied by %s check", a.operation, a.failedCheckTyp)
}
func basicACLErr(info RequestInfo) error {
return &accessErr{
RequestInfo: info,
failedCheckTyp: "basic ACL",
}
}
func eACLErr(info RequestInfo) error {
return &accessErr{
RequestInfo: info,
failedCheckTyp: "extended ACL",
}
}

51
pkg/services/object/acl/v2/opts.go Normal file
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package v2
import (
"github.com/nspcc-dev/neofs-node/pkg/core/container"
netmapClient "github.com/nspcc-dev/neofs-node/pkg/morph/client/netmap"
objectSvc "github.com/nspcc-dev/neofs-node/pkg/services/object"
"go.uber.org/zap"
)
// WithLogger returns option to set logger.
func WithLogger(v *zap.Logger) Option {
return func(c *cfg) {
c.log = v
}
}
// WithNetmapClient return option to set
// netmap client.
func WithNetmapClient(v *netmapClient.Client) Option {
return func(c *cfg) {
c.nm = v
}
}
// WithContainerSource returns option to set container source.
func WithContainerSource(v container.Source) Option {
return func(c *cfg) {
c.containers = v
}
}
// WithNextService returns option to set next object service.
func WithNextService(v objectSvc.ServiceServer) Option {
return func(c *cfg) {
c.next = v
}
}
// WithEACLChecker returns option to set eACL checker.
func WithEACLChecker(v ACLChecker) Option {
return func(c *cfg) {
c.checker = v
}
}
// WithIRFetcher returns option to set inner ring fetcher.
func WithIRFetcher(v InnerRingFetcher) Option {
return func(c *cfg) {
c.irFetcher = v
}
}

135
pkg/services/object/acl/v2/request.go Normal file
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package v2
import (
"crypto/ecdsa"
"fmt"
"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
sessionV2 "github.com/nspcc-dev/neofs-api-go/v2/session"
containerIDSDK "github.com/nspcc-dev/neofs-sdk-go/container/id"
eaclSDK "github.com/nspcc-dev/neofs-sdk-go/eacl"
oidSDK "github.com/nspcc-dev/neofs-sdk-go/object/id"
"github.com/nspcc-dev/neofs-sdk-go/owner"
sessionSDK "github.com/nspcc-dev/neofs-sdk-go/session"
bearerSDK "github.com/nspcc-dev/neofs-sdk-go/token"
)
// RequestInfo groups parsed version-independent (from SDK library)
// request information and raw API request.
type RequestInfo struct {
basicACL uint32
requestRole eaclSDK.Role
isInnerRing bool
operation eaclSDK.Operation // put, get, head, etc.
cnrOwner *owner.ID // container owner
idCnr *containerIDSDK.ID
oid *oidSDK.ID
senderKey []byte
bearer *bearerSDK.BearerToken // bearer token of request
srcRequest interface{}
}
func (r *RequestInfo) SetBasicACL(basicACL uint32) {
r.basicACL = basicACL
}
func (r *RequestInfo) SetRequestRole(requestRole eaclSDK.Role) {
r.requestRole = requestRole
}
func (r *RequestInfo) SetSenderKey(senderKey []byte) {
r.senderKey = senderKey
}
// Request returns raw API request.
func (r RequestInfo) Request() interface{} {
return r.srcRequest
}
// ContainerOwner returns owner if the container.
func (r RequestInfo) ContainerOwner() *owner.ID {
return r.cnrOwner
}
// ObjectID return object ID.
func (r RequestInfo) ObjectID() *oidSDK.ID {
return r.oid
}
// ContainerID return container ID.
func (r RequestInfo) ContainerID() *containerIDSDK.ID {
return r.idCnr
}
// CleanBearer forces cleaning bearer token information.
func (r *RequestInfo) CleanBearer() {
r.bearer = nil
}
// Bearer returns bearer token of the request.
func (r RequestInfo) Bearer() *bearerSDK.BearerToken {
return r.bearer
}
// IsInnerRing specifies if request was made by inner ring.
func (r RequestInfo) IsInnerRing() bool {
return r.isInnerRing
}
// BasicACL returns basic ACL of the container.
func (r RequestInfo) BasicACL() uint32 {
return r.basicACL
}
// SenderKey returns public key of the request's sender.
func (r RequestInfo) SenderKey() []byte {
return r.senderKey
}
// Operation returns request's operation.
func (r RequestInfo) Operation() eaclSDK.Operation {
return r.operation
}
// RequestRole returns request sender's role.
func (r RequestInfo) RequestRole() eaclSDK.Role {
return r.requestRole
}
// MetaWithToken groups session and bearer tokens,
// verification header and raw API request.
type MetaWithToken struct {
vheader *sessionV2.RequestVerificationHeader
token *sessionSDK.Token
bearer *bearerSDK.BearerToken
src interface{}
}
// RequestOwner returns ownerID and its public key
// according to internal meta information.
func (r MetaWithToken) RequestOwner() (*owner.ID, *keys.PublicKey, error) {
if r.vheader == nil {
return nil, nil, fmt.Errorf("%w: nil verification header", ErrMalformedRequest)
}
// if session token is presented, use it as truth source
if r.token != nil {
// verify signature of session token
return ownerFromToken(r.token)
}
// otherwise get original body signature
bodySignature := originalBodySignature(r.vheader)
if bodySignature == nil {
return nil, nil, fmt.Errorf("%w: nil at body signature", ErrMalformedRequest)
}
key := unmarshalPublicKey(bodySignature.Key())
return owner.NewIDFromPublicKey((*ecdsa.PublicKey)(key)), key, nil
}

447
pkg/services/object/acl/v2/service.go Normal file
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package v2
import (
"context"
"fmt"
objectV2 "github.com/nspcc-dev/neofs-api-go/v2/object"
"github.com/nspcc-dev/neofs-node/pkg/core/container"
netmapClient "github.com/nspcc-dev/neofs-node/pkg/morph/client/netmap"
"github.com/nspcc-dev/neofs-node/pkg/services/object"
cidSDK "github.com/nspcc-dev/neofs-sdk-go/container/id"
eaclSDK "github.com/nspcc-dev/neofs-sdk-go/eacl"
sessionSDK "github.com/nspcc-dev/neofs-sdk-go/session"
"go.uber.org/zap"
)
// Service checks basic ACL rules.
type Service struct {
*cfg
c senderClassifier
}
type putStreamBasicChecker struct {
source *Service
next object.PutObjectStream
}
type getStreamBasicChecker struct {
checker ACLChecker
object.GetObjectStream
info RequestInfo
}
type rangeStreamBasicChecker struct {
checker ACLChecker
object.GetObjectRangeStream
info RequestInfo
}
type searchStreamBasicChecker struct {
checker ACLChecker
object.SearchStream
info RequestInfo
}
// Option represents Service constructor option.
type Option func(*cfg)
type cfg struct {
log *zap.Logger
containers container.Source
checker ACLChecker
irFetcher InnerRingFetcher
nm *netmapClient.Client
next object.ServiceServer
}
func defaultCfg() *cfg {
return &cfg{
log: zap.L(),
}
}
// New is a constructor for object ACL checking service.
func New(opts ...Option) Service {
cfg := defaultCfg()
for i := range opts {
opts[i](cfg)
}
panicOnNil := func(v interface{}, name string) {
if v == nil {
panic(fmt.Sprintf("ACL service: %s is nil", name))
}
}
panicOnNil(cfg.next, "next Service")
panicOnNil(cfg.nm, "netmap client")
panicOnNil(cfg.irFetcher, "inner Ring fetcher")
panicOnNil(cfg.checker, "acl checker")
panicOnNil(cfg.containers, "container source")
return Service{
cfg: cfg,
c: senderClassifier{
log: cfg.log,
innerRing: cfg.irFetcher,
netmap: cfg.nm,
},
}
}
// Get implements ServiceServer interface, makes ACL checks and calls
// next Get method in the ServiceServer pipeline.
func (b Service) Get(request *objectV2.GetRequest, stream object.GetObjectStream) error {
cid, err := getContainerIDFromRequest(request)
if err != nil {
return err
}
sTok := originalSessionToken(request.GetMetaHeader())
req := MetaWithToken{
vheader: request.GetVerificationHeader(),
token: sTok,
bearer: originalBearerToken(request.GetMetaHeader()),
src: request,
}
reqInfo, err := b.findRequestInfo(req, cid, eaclSDK.OperationGet)
if err != nil {
return err
}
reqInfo.oid = getObjectIDFromRequestBody(request.GetBody())
useObjectIDFromSession(&reqInfo, sTok)
if !b.checker.CheckBasicACL(reqInfo) {
return basicACLErr(reqInfo)
} else if !b.checker.CheckEACL(request, reqInfo) {
return eACLErr(reqInfo)
}
return b.next.Get(request, &getStreamBasicChecker{
GetObjectStream: stream,
info: reqInfo,
checker: b.checker,
})
}
func (b Service) Put(ctx context.Context) (object.PutObjectStream, error) {
streamer, err := b.next.Put(ctx)
return putStreamBasicChecker{
source: &b,
next: streamer,
}, err
}
func (b Service) Head(
ctx context.Context,
request *objectV2.HeadRequest) (*objectV2.HeadResponse, error) {
cid, err := getContainerIDFromRequest(request)
if err != nil {
return nil, err
}
sTok := originalSessionToken(request.GetMetaHeader())
req := MetaWithToken{
vheader: request.GetVerificationHeader(),
token: sTok,
bearer: originalBearerToken(request.GetMetaHeader()),
src: request,
}
reqInfo, err := b.findRequestInfo(req, cid, eaclSDK.OperationHead)
if err != nil {
return nil, err
}
reqInfo.oid = getObjectIDFromRequestBody(request.GetBody())
useObjectIDFromSession(&reqInfo, sTok)
if !b.checker.CheckBasicACL(reqInfo) {
return nil, basicACLErr(reqInfo)
} else if !b.checker.CheckEACL(request, reqInfo) {
return nil, eACLErr(reqInfo)
}
resp, err := b.next.Head(ctx, request)
if err == nil {
if !b.checker.CheckEACL(resp, reqInfo) {
err = eACLErr(reqInfo)
}
}
return resp, err
}
func (b Service) Search(request *objectV2.SearchRequest, stream object.SearchStream) error {
var id *cidSDK.ID
id, err := getContainerIDFromRequest(request)
if err != nil {
return err
}
req := MetaWithToken{
vheader: request.GetVerificationHeader(),
token: originalSessionToken(request.GetMetaHeader()),
bearer: originalBearerToken(request.GetMetaHeader()),
src: request,
}
reqInfo, err := b.findRequestInfo(req, id, eaclSDK.OperationSearch)
if err != nil {
return err
}
reqInfo.oid = getObjectIDFromRequestBody(request.GetBody())
if !b.checker.CheckBasicACL(reqInfo) {
return basicACLErr(reqInfo)
} else if !b.checker.CheckEACL(request, reqInfo) {
return eACLErr(reqInfo)
}
return b.next.Search(request, &searchStreamBasicChecker{
checker: b.checker,
SearchStream: stream,
info: reqInfo,
})
}
func (b Service) Delete(
ctx context.Context,
request *objectV2.DeleteRequest) (*objectV2.DeleteResponse, error) {
cid, err := getContainerIDFromRequest(request)
if err != nil {
return nil, err
}
sTok := originalSessionToken(request.GetMetaHeader())
req := MetaWithToken{
vheader: request.GetVerificationHeader(),
token: sTok,
bearer: originalBearerToken(request.GetMetaHeader()),
src: request,
}
reqInfo, err := b.findRequestInfo(req, cid, eaclSDK.OperationDelete)
if err != nil {
return nil, err
}
reqInfo.oid = getObjectIDFromRequestBody(request.GetBody())
useObjectIDFromSession(&reqInfo, sTok)
if !b.checker.CheckBasicACL(reqInfo) {
return nil, basicACLErr(reqInfo)
} else if !b.checker.CheckEACL(request, reqInfo) {
return nil, eACLErr(reqInfo)
}
return b.next.Delete(ctx, request)
}
func (b Service) GetRange(request *objectV2.GetRangeRequest, stream object.GetObjectRangeStream) error {
cid, err := getContainerIDFromRequest(request)
if err != nil {
return err
}
sTok := originalSessionToken(request.GetMetaHeader())
req := MetaWithToken{
vheader: request.GetVerificationHeader(),
token: sTok,
bearer: originalBearerToken(request.GetMetaHeader()),
src: request,
}
reqInfo, err := b.findRequestInfo(req, cid, eaclSDK.OperationRange)
if err != nil {
return err
}
reqInfo.oid = getObjectIDFromRequestBody(request.GetBody())
useObjectIDFromSession(&reqInfo, sTok)
if !b.checker.CheckBasicACL(reqInfo) {
return basicACLErr(reqInfo)
} else if !b.checker.CheckEACL(request, reqInfo) {
return eACLErr(reqInfo)
}
return b.next.GetRange(request, &rangeStreamBasicChecker{
checker: b.checker,
GetObjectRangeStream: stream,
info: reqInfo,
})
}
func (b Service) GetRangeHash(
ctx context.Context,
request *objectV2.GetRangeHashRequest) (*objectV2.GetRangeHashResponse, error) {
cid, err := getContainerIDFromRequest(request)
if err != nil {
return nil, err
}
sTok := originalSessionToken(request.GetMetaHeader())
req := MetaWithToken{
vheader: request.GetVerificationHeader(),
token: sTok,
bearer: originalBearerToken(request.GetMetaHeader()),
src: request,
}
reqInfo, err := b.findRequestInfo(req, cid, eaclSDK.OperationRangeHash)
if err != nil {
return nil, err
}
reqInfo.oid = getObjectIDFromRequestBody(request.GetBody())
useObjectIDFromSession(&reqInfo, sTok)
if !b.checker.CheckBasicACL(reqInfo) {
return nil, basicACLErr(reqInfo)
} else if !b.checker.CheckEACL(request, reqInfo) {
return nil, eACLErr(reqInfo)
}
return b.next.GetRangeHash(ctx, request)
}
func (p putStreamBasicChecker) Send(request *objectV2.PutRequest) error {
body := request.GetBody()
if body == nil {
return ErrMalformedRequest
}
part := body.GetObjectPart()
if part, ok := part.(*objectV2.PutObjectPartInit); ok {
cid, err := getContainerIDFromRequest(request)
if err != nil {
return err
}
ownerID, err := getObjectOwnerFromMessage(request)
if err != nil {
return err
}
sTok := sessionSDK.NewTokenFromV2(request.GetMetaHeader().GetSessionToken())
req := MetaWithToken{
vheader: request.GetVerificationHeader(),
token: sTok,
bearer: originalBearerToken(request.GetMetaHeader()),
src: request,
}
reqInfo, err := p.source.findRequestInfo(req, cid, eaclSDK.OperationPut)
if err != nil {
return err
}
reqInfo.oid = getObjectIDFromRequestBody(part)
useObjectIDFromSession(&reqInfo, sTok)
if !p.source.checker.CheckBasicACL(reqInfo) || !p.source.checker.StickyBitCheck(reqInfo, ownerID) {
return basicACLErr(reqInfo)
} else if !p.source.checker.CheckEACL(request, reqInfo) {
return eACLErr(reqInfo)
}
}
return p.next.Send(request)
}
func (p putStreamBasicChecker) CloseAndRecv() (*objectV2.PutResponse, error) {
return p.next.CloseAndRecv()
}
func (g *getStreamBasicChecker) Send(resp *objectV2.GetResponse) error {
if _, ok := resp.GetBody().GetObjectPart().(*objectV2.GetObjectPartInit); ok {
if !g.checker.CheckEACL(resp, g.info) {
return eACLErr(g.info)
}
}
return g.GetObjectStream.Send(resp)
}
func (g *rangeStreamBasicChecker) Send(resp *objectV2.GetRangeResponse) error {
if !g.checker.CheckEACL(resp, g.info) {
return eACLErr(g.info)
}
return g.GetObjectRangeStream.Send(resp)
}
func (g *searchStreamBasicChecker) Send(resp *objectV2.SearchResponse) error {
if !g.checker.CheckEACL(resp, g.info) {
return eACLErr(g.info)
}
return g.SearchStream.Send(resp)
}
func (b Service) findRequestInfo(
req MetaWithToken,
cid *cidSDK.ID,
op eaclSDK.Operation) (info RequestInfo, err error) {
cnr, err := b.containers.Get(cid) // fetch actual container
if err != nil || cnr.OwnerID() == nil {
return info, ErrUnknownContainer
}
// find request role and key
res, err := b.c.classify(req, cid, cnr)
if err != nil {
return info, err
}
if res.role == eaclSDK.RoleUnknown {
return info, ErrUnknownRole
}
// find verb from token if it is present
verb := sourceVerbOfRequest(req, op)
info.basicACL = cnr.BasicACL()
info.requestRole = res.role
info.isInnerRing = res.isIR
info.operation = verb
info.cnrOwner = cnr.OwnerID()
info.idCnr = cid
// 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
}

28
pkg/services/object/acl/v2/types.go Normal file
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package v2
import (
"github.com/nspcc-dev/neofs-sdk-go/owner"
)
// ACLChecker is an interface that must provide
// ACL related checks.
type ACLChecker interface {
// CheckBasicACL must return true only if request
// passes basic ACL validation.
CheckBasicACL(RequestInfo) bool
// CheckEACL must return true only if request
// passes extended ACL validation.
CheckEACL(interface{}, RequestInfo) bool
// StickyBitCheck must return true only if sticky bit
// is disabled or enabled but request contains correct
// owner field.
StickyBitCheck(RequestInfo, *owner.ID) bool
}
// InnerRingFetcher is an interface that must provide
// Inner Ring information.
type InnerRingFetcher interface {
// InnerRingKeys must return list of public keys of
// the actual inner ring.
InnerRingKeys() ([][]byte, error)
}

197
pkg/services/object/acl/v2/util.go Normal file
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package v2
import (
"crypto/ecdsa"
"crypto/elliptic"
"errors"
"fmt"
"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
objectV2 "github.com/nspcc-dev/neofs-api-go/v2/object"
refsV2 "github.com/nspcc-dev/neofs-api-go/v2/refs"
sessionV2 "github.com/nspcc-dev/neofs-api-go/v2/session"
containerIDSDK "github.com/nspcc-dev/neofs-sdk-go/container/id"
eaclSDK "github.com/nspcc-dev/neofs-sdk-go/eacl"
oidSDK "github.com/nspcc-dev/neofs-sdk-go/object/id"
"github.com/nspcc-dev/neofs-sdk-go/owner"
sessionSDK "github.com/nspcc-dev/neofs-sdk-go/session"
"github.com/nspcc-dev/neofs-sdk-go/signature"
bearerSDK "github.com/nspcc-dev/neofs-sdk-go/token"
)
func getContainerIDFromRequest(req interface{}) (id *containerIDSDK.ID, err error) {
switch v := req.(type) {
case *objectV2.GetRequest:
return containerIDSDK.NewFromV2(v.GetBody().GetAddress().GetContainerID()), nil
case *objectV2.PutRequest:
objPart := v.GetBody().GetObjectPart()
if part, ok := objPart.(*objectV2.PutObjectPartInit); ok {
return containerIDSDK.NewFromV2(part.GetHeader().GetContainerID()), nil
}
return nil, errors.New("can't get container ID in chunk")
case *objectV2.HeadRequest:
return containerIDSDK.NewFromV2(v.GetBody().GetAddress().GetContainerID()), nil
case *objectV2.SearchRequest:
return containerIDSDK.NewFromV2(v.GetBody().GetContainerID()), nil
case *objectV2.DeleteRequest:
return containerIDSDK.NewFromV2(v.GetBody().GetAddress().GetContainerID()), nil
case *objectV2.GetRangeRequest:
return containerIDSDK.NewFromV2(v.GetBody().GetAddress().GetContainerID()), nil
case *objectV2.GetRangeHashRequest:
return containerIDSDK.NewFromV2(v.GetBody().GetAddress().GetContainerID()), nil
default:
return nil, errors.New("unknown request type")
}
}
// originalBearerToken goes down to original request meta header and fetches
// bearer token from there.
func originalBearerToken(header *sessionV2.RequestMetaHeader) *bearerSDK.BearerToken {
for header.GetOrigin() != nil {
header = header.GetOrigin()
}
return bearerSDK.NewBearerTokenFromV2(header.GetBearerToken())
}
// originalSessionToken goes down to original request meta header and fetches
// session token from there.
func originalSessionToken(header *sessionV2.RequestMetaHeader) *sessionSDK.Token {
for header.GetOrigin() != nil {
header = header.GetOrigin()
}
return sessionSDK.NewTokenFromV2(header.GetSessionToken())
}
func getObjectIDFromRequestBody(body interface{}) *oidSDK.ID {
switch v := body.(type) {
default:
return nil
case interface {
GetObjectID() *refsV2.ObjectID
}:
return oidSDK.NewIDFromV2(v.GetObjectID())
case interface {
GetAddress() *refsV2.Address
}:
return oidSDK.NewIDFromV2(v.GetAddress().GetObjectID())
}
}
func getObjectOwnerFromMessage(req interface{}) (id *owner.ID, err error) {
switch v := req.(type) {
case *objectV2.PutRequest:
objPart := v.GetBody().GetObjectPart()
if part, ok := objPart.(*objectV2.PutObjectPartInit); ok {
return owner.NewIDFromV2(part.GetHeader().GetOwnerID()), nil
}
return nil, errors.New("can't get container ID in chunk")
case *objectV2.GetResponse:
objPart := v.GetBody().GetObjectPart()
if part, ok := objPart.(*objectV2.GetObjectPartInit); ok {
return owner.NewIDFromV2(part.GetHeader().GetOwnerID()), nil
}
return nil, errors.New("can't get container ID in chunk")
default:
return nil, errors.New("unsupported request type")
}
}
// sourceVerbOfRequest looks for verb in session token and if it is not found,
// returns reqVerb.
func sourceVerbOfRequest(req MetaWithToken, reqVerb eaclSDK.Operation) eaclSDK.Operation {
if req.token != nil {
switch v := req.token.Context().(type) {
case *sessionSDK.ObjectContext:
return tokenVerbToOperation(v)
default:
// do nothing, return request verb
}
}
return reqVerb
}
func useObjectIDFromSession(req *RequestInfo, token *sessionSDK.Token) {
if token == nil {
return
}
objCtx, ok := token.Context().(*sessionSDK.ObjectContext)
if !ok {
return
}
req.oid = objCtx.Address().ObjectID()
}
func tokenVerbToOperation(ctx *sessionSDK.ObjectContext) eaclSDK.Operation {
switch {
case ctx.IsForGet():
return eaclSDK.OperationGet
case ctx.IsForPut():
return eaclSDK.OperationPut
case ctx.IsForHead():
return eaclSDK.OperationHead
case ctx.IsForSearch():
return eaclSDK.OperationSearch
case ctx.IsForDelete():
return eaclSDK.OperationDelete
case ctx.IsForRange():
return eaclSDK.OperationRange
case ctx.IsForRangeHash():
return eaclSDK.OperationRangeHash
default:
return eaclSDK.OperationUnknown
}
}
func ownerFromToken(token *sessionSDK.Token) (*owner.ID, *keys.PublicKey, error) {
// 1. First check signature of session token.
if !token.VerifySignature() {
return nil, nil, fmt.Errorf("%w: invalid session token signature", ErrMalformedRequest)
}
// 2. Then check if session token owner issued the session token
tokenIssuerKey := unmarshalPublicKey(token.Signature().Key())
tokenOwner := token.OwnerID()
if !isOwnerFromKey(tokenOwner, tokenIssuerKey) {
// TODO: #767 in this case we can issue all owner keys from neofs.id and check once again
return nil, nil, fmt.Errorf("%w: invalid session token owner", ErrMalformedRequest)
}
return tokenOwner, tokenIssuerKey, nil
}
func originalBodySignature(v *sessionV2.RequestVerificationHeader) *signature.Signature {
if v == nil {
return nil
}
for v.GetOrigin() != nil {
v = v.GetOrigin()
}
return signature.NewFromV2(v.GetBodySignature())
}
func unmarshalPublicKey(bs []byte) *keys.PublicKey {
pub, err := keys.NewPublicKeyFromBytes(bs, elliptic.P256())
if err != nil {
return nil
}
return pub
}
func isOwnerFromKey(id *owner.ID, key *keys.PublicKey) bool {
if id == nil || key == nil {
return false
}
return id.Equal(owner.NewIDFromPublicKey((*ecdsa.PublicKey)(key)))
}

38
pkg/services/object/acl/v2/util_test.go Normal file
View file

@ -0,0 +1,38 @@
package v2
import (
"testing"
"github.com/nspcc-dev/neofs-api-go/v2/acl"
acltest "github.com/nspcc-dev/neofs-api-go/v2/acl/test"
"github.com/nspcc-dev/neofs-api-go/v2/session"
sessiontest "github.com/nspcc-dev/neofs-api-go/v2/session/test"
sessionSDK "github.com/nspcc-dev/neofs-sdk-go/session"
bearerSDK "github.com/nspcc-dev/neofs-sdk-go/token"
"github.com/stretchr/testify/require"
)
func TestOriginalTokens(t *testing.T) {
sToken := sessiontest.GenerateSessionToken(false)
bToken := acltest.GenerateBearerToken(false)
for i := 0; i < 10; i++ {
metaHeaders := testGenerateMetaHeader(uint32(i), bToken, sToken)
require.Equal(t, sessionSDK.NewTokenFromV2(sToken), originalSessionToken(metaHeaders), i)
require.Equal(t, bearerSDK.NewBearerTokenFromV2(bToken), originalBearerToken(metaHeaders), i)
}
}
func testGenerateMetaHeader(depth uint32, b *acl.BearerToken, s *session.SessionToken) *session.RequestMetaHeader {
metaHeader := new(session.RequestMetaHeader)
metaHeader.SetBearerToken(b)
metaHeader.SetSessionToken(s)
for i := uint32(0); i < depth; i++ {
link := metaHeader
metaHeader = new(session.RequestMetaHeader)
metaHeader.SetOrigin(link)
}
return metaHeader
}