[#32] Add basis of basic ACL check service

Signed-off-by: Alex Vanin <alexey@nspcc.ru>
This commit is contained in:
Alex Vanin 2020-09-21 12:51:15 +03:00
parent 1b5ac0f2ae
commit ab565b1862
2 changed files with 129 additions and 0 deletions

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package acl
import (
"context"
"github.com/nspcc-dev/neofs-api-go/v2/object"
)
type (
// ContainerGetter accesses NeoFS container storage.
ContainerGetter interface{}
// BasicChecker checks basic ACL rules.
BasicChecker struct {
containers ContainerGetter
next object.Service
}
putStreamBasicChecker struct {
containers ContainerGetter
next object.PutObjectStreamer
}
getStreamBasicChecker struct {
containers ContainerGetter
next object.GetObjectStreamer
}
searchStreamBasicChecker struct {
containers ContainerGetter
next object.SearchObjectStreamer
}
getRangeStreamBasicChecker struct {
containers ContainerGetter
next object.GetRangeObjectStreamer
}
)
// NewBasicChecker is a constructor for basic ACL checker of object requests.
func NewBasicChecker(cnr ContainerGetter, next object.Service) BasicChecker {
return BasicChecker{
containers: cnr,
next: next,
}
}
func (b BasicChecker) Get(
ctx context.Context,
request *object.GetRequest) (object.GetObjectStreamer, error) {
stream, err := b.next.Get(ctx, request)
return getStreamBasicChecker{
containers: b.containers,
next: stream,
}, err
}
func (b BasicChecker) Put(ctx context.Context) (object.PutObjectStreamer, error) {
streamer, err := b.next.Put(ctx)
return putStreamBasicChecker{
containers: b.containers,
next: streamer,
}, err
}
func (b BasicChecker) Head(
ctx context.Context,
request *object.HeadRequest) (*object.HeadResponse, error) {
return b.next.Head(ctx, request)
}
func (b BasicChecker) Search(
ctx context.Context,
request *object.SearchRequest) (object.SearchObjectStreamer, error) {
stream, err := b.next.Search(ctx, request)
return searchStreamBasicChecker{
containers: b.containers,
next: stream,
}, err
}
func (b BasicChecker) Delete(
ctx context.Context,
request *object.DeleteRequest) (*object.DeleteResponse, error) {
return b.next.Delete(ctx, request)
}
func (b BasicChecker) GetRange(
ctx context.Context,
request *object.GetRangeRequest) (object.GetRangeObjectStreamer, error) {
stream, err := b.next.GetRange(ctx, request)
return getRangeStreamBasicChecker{
containers: b.containers,
next: stream,
}, err
}
func (b BasicChecker) GetRangeHash(
ctx context.Context,
request *object.GetRangeHashRequest) (*object.GetRangeHashResponse, error) {
return b.next.GetRangeHash(ctx, request)
}
func (p putStreamBasicChecker) Send(request *object.PutRequest) error {
return p.next.Send(request)
}
func (p putStreamBasicChecker) CloseAndRecv() (*object.PutResponse, error) {
return p.next.CloseAndRecv()
}
func (g getStreamBasicChecker) Recv() (*object.GetResponse, error) {
return g.next.Recv()
}
func (s searchStreamBasicChecker) Recv() (*object.SearchResponse, error) {
return s.next.Recv()
}
func (g getRangeStreamBasicChecker) Recv() (*object.GetRangeResponse, error) {
return g.next.Recv()
}