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[#66] Use session token of object header at put ACL check

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Owner of the request is stored in session token most of the times.
Put request contains session token in the object body, so we have
to fetch it from there.

Signed-off-by: Alex Vanin <alexey@nspcc.ru>
This commit is contained in:
Alex Vanin 2020-10-02 14:39:32 +03:00 committed by Alex Vanin
parent 2ee24998ba
commit afeebd310c
2 changed files with 60 additions and 28 deletions
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58
pkg/services/object/acl/basic.go
View file

@ -8,6 +8,7 @@ import (
"github.com/nspcc-dev/neofs-api-go/pkg/container"
"github.com/nspcc-dev/neofs-api-go/pkg/owner"
"github.com/nspcc-dev/neofs-api-go/v2/object"
"github.com/nspcc-dev/neofs-api-go/v2/session"
core "github.com/nspcc-dev/neofs-node/pkg/core/container"
"github.com/pkg/errors"
)
@ -75,7 +76,12 @@ func (b BasicChecker) Get(
return nil, err
}
reqInfo, err := b.findRequestInfo(request, cid, acl.OperationGet)
req := metaWithToken{
vheader: request.GetVerificationHeader(),
token: request.GetMetaHeader().GetSessionToken(),
}
reqInfo, err := b.findRequestInfo(req, cid, acl.OperationGet)
if err != nil {
return nil, err
}
@ -110,7 +116,12 @@ func (b BasicChecker) Head(
return nil, err
}
reqInfo, err := b.findRequestInfo(request, cid, acl.OperationHead)
req := metaWithToken{
vheader: request.GetVerificationHeader(),
token: request.GetMetaHeader().GetSessionToken(),
}
reqInfo, err := b.findRequestInfo(req, cid, acl.OperationHead)
if err != nil {
return nil, err
}
@ -133,7 +144,12 @@ func (b BasicChecker) Search(
return nil, err
}
reqInfo, err := b.findRequestInfo(request, cid, acl.OperationSearch)
req := metaWithToken{
vheader: request.GetVerificationHeader(),
token: request.GetMetaHeader().GetSessionToken(),
}
reqInfo, err := b.findRequestInfo(req, cid, acl.OperationSearch)
if err != nil {
return nil, err
}
@ -155,7 +171,12 @@ func (b BasicChecker) Delete(
return nil, err
}
reqInfo, err := b.findRequestInfo(request, cid, acl.OperationDelete)
req := metaWithToken{
vheader: request.GetVerificationHeader(),
token: request.GetMetaHeader().GetSessionToken(),
}
reqInfo, err := b.findRequestInfo(req, cid, acl.OperationDelete)
if err != nil {
return nil, err
}
@ -176,7 +197,12 @@ func (b BasicChecker) GetRange(
return nil, err
}
reqInfo, err := b.findRequestInfo(request, cid, acl.OperationRange)
req := metaWithToken{
vheader: request.GetVerificationHeader(),
token: request.GetMetaHeader().GetSessionToken(),
}
reqInfo, err := b.findRequestInfo(req, cid, acl.OperationRange)
if err != nil {
return nil, err
}
@ -198,7 +224,12 @@ func (b BasicChecker) GetRangeHash(
return nil, err
}
reqInfo, err := b.findRequestInfo(request, cid, acl.OperationRangeHash)
req := metaWithToken{
vheader: request.GetVerificationHeader(),
token: request.GetMetaHeader().GetSessionToken(),
}
reqInfo, err := b.findRequestInfo(req, cid, acl.OperationRangeHash)
if err != nil {
return nil, err
}
@ -217,23 +248,28 @@ func (p putStreamBasicChecker) Send(request *object.PutRequest) error {
}
part := body.GetObjectPart()
if _, ok := part.(*object.PutObjectPartInit); ok {
if part, ok := part.(*object.PutObjectPartInit); ok {
cid, err := getContainerIDFromRequest(request)
if err != nil {
return err
}
owner, err := getObjectOwnerFromMessage(request)
ownerID, err := getObjectOwnerFromMessage(request)
if err != nil {
return err
}
reqInfo, err := p.source.findRequestInfo(request, cid, acl.OperationPut)
req := metaWithToken{
vheader: request.GetVerificationHeader(),
token: part.GetHeader().GetSessionToken(),
}
reqInfo, err := p.source.findRequestInfo(req, cid, acl.OperationPut)
if err != nil {
return err
}
if !basicACLCheck(reqInfo) || !stickyBitCheck(reqInfo, owner) {
if !basicACLCheck(reqInfo) || !stickyBitCheck(reqInfo, ownerID) {
return ErrBasicAccessDenied
}
}
@ -272,7 +308,7 @@ func (g getStreamBasicChecker) Recv() (*object.GetResponse, error) {
}
func (b BasicChecker) findRequestInfo(
req RequestV2,
req metaWithToken,
cid *container.ID,
op acl.Operation) (info requestInfo, err error) {

30
pkg/services/object/acl/classifier.go
View file

@ -20,9 +20,9 @@ type (
InnerRingKeys() ([][]byte, error)
}
RequestV2 interface {
GetMetaHeader() *session.RequestMetaHeader
GetVerificationHeader() *session.RequestVerificationHeader
metaWithToken struct {
vheader *session.RequestVerificationHeader
token *session.SessionToken
}
SenderClassifier struct {
@ -40,10 +40,11 @@ func NewSenderClassifier(ir InnerRingFetcher, nm core.Source) SenderClassifier {
}
func (c SenderClassifier) Classify(
req RequestV2,
req metaWithToken,
cid *container.ID,
cnr *container.Container) acl.Role {
if cid == nil || req == nil {
if cid == nil {
// log there
return acl.RoleUnknown
}
@ -83,24 +84,19 @@ func (c SenderClassifier) Classify(
return acl.RoleOthers
}
func requestOwner(req RequestV2) (*owner.ID, *ecdsa.PublicKey, error) {
var (
meta = req.GetMetaHeader()
verify = req.GetVerificationHeader()
)
if meta == nil || verify == nil {
return nil, nil, errors.Wrap(ErrMalformedRequest, "nil at meta or verify header")
func requestOwner(req metaWithToken) (*owner.ID, *ecdsa.PublicKey, error) {
if req.vheader == nil {
return nil, nil, errors.Wrap(ErrMalformedRequest, "nil verification header")
}
// if session token is presented, use it as truth source
if token := meta.GetSessionToken(); token != nil {
body := token.GetBody()
if req.token != nil {
body := req.token.GetBody()
if body == nil {
return nil, nil, errors.Wrap(ErrMalformedRequest, "nil at session token body")
}
signature := token.GetSignature()
signature := req.token.GetSignature()
if signature == nil {
return nil, nil, errors.Wrap(ErrMalformedRequest, "nil at signature")
}
@ -109,7 +105,7 @@ func requestOwner(req RequestV2) (*owner.ID, *ecdsa.PublicKey, error) {
}
// otherwise get original body signature
bodySignature := originalBodySignature(verify)
bodySignature := originalBodySignature(req.vheader)
if bodySignature == nil {
return nil, nil, errors.Wrap(ErrMalformedRequest, "nil at body signature")
}