150 lines
3.6 KiB
Go
150 lines
3.6 KiB
Go
package v2
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import (
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"fmt"
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eaclSDK "github.com/nspcc-dev/neofs-api-go/pkg/acl/eacl"
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objectSDK "github.com/nspcc-dev/neofs-api-go/pkg/object"
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objectV2 "github.com/nspcc-dev/neofs-api-go/v2/object"
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"github.com/nspcc-dev/neofs-api-go/v2/refs"
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"github.com/nspcc-dev/neofs-api-go/v2/session"
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"github.com/nspcc-dev/neofs-node/pkg/core/object"
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"github.com/nspcc-dev/neofs-node/pkg/services/object/acl/eacl"
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)
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type Option func(*cfg)
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type cfg struct {
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storage ObjectStorage
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msg xHeaderSource
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}
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type ObjectStorage interface {
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Head(*objectSDK.Address) (*object.Object, error)
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}
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type Request interface {
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GetMetaHeader() *session.RequestMetaHeader
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}
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type Response interface {
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GetMetaHeader() *session.ResponseMetaHeader
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}
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type headerSource struct {
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*cfg
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}
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func defaultCfg() *cfg {
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return &cfg{
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storage: new(localStorage),
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}
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}
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func NewMessageHeaderSource(opts ...Option) eacl.TypedHeaderSource {
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cfg := defaultCfg()
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for i := range opts {
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opts[i](cfg)
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}
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return &headerSource{
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cfg: cfg,
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}
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}
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func (h *headerSource) HeadersOfType(typ eaclSDK.FilterHeaderType) ([]eacl.Header, bool) {
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switch typ {
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default:
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return nil, true
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case eaclSDK.HeaderFromRequest:
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return requestHeaders(h.msg), true
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case eaclSDK.HeaderFromObject:
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return h.objectHeaders()
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}
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}
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func requestHeaders(msg xHeaderSource) []eacl.Header {
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xHdrs := msg.GetXHeaders()
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res := make([]eacl.Header, 0, len(xHdrs))
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for i := range xHdrs {
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res = append(res, xHdrs[i])
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}
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return res
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}
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func (h *headerSource) objectHeaders() ([]eacl.Header, bool) {
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switch m := h.msg.(type) {
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default:
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panic(fmt.Sprintf("unexpected message type %T", h.msg))
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case *requestXHeaderSource:
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switch req := m.req.(type) {
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case *objectV2.GetRequest:
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return h.localObjectHeaders(req.GetBody().GetAddress())
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case *objectV2.DeleteRequest:
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return h.localObjectHeaders(req.GetBody().GetAddress())
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case *objectV2.HeadRequest:
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return h.localObjectHeaders(req.GetBody().GetAddress())
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case *objectV2.GetRangeRequest:
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return h.localObjectHeaders(req.GetBody().GetAddress())
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case *objectV2.GetRangeHashRequest:
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return h.localObjectHeaders(req.GetBody().GetAddress())
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case *objectV2.PutRequest:
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if v, ok := req.GetBody().GetObjectPart().(*objectV2.PutObjectPartInit); ok {
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oV2 := new(objectV2.Object)
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oV2.SetObjectID(v.GetObjectID())
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oV2.SetHeader(v.GetHeader())
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return headersFromObject(object.NewFromV2(oV2)), true
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}
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}
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case *responseXHeaderSource:
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switch resp := m.resp.(type) {
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case *objectV2.GetResponse:
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if v, ok := resp.GetBody().GetObjectPart().(*objectV2.GetObjectPartInit); ok {
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oV2 := new(objectV2.Object)
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oV2.SetObjectID(v.GetObjectID())
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oV2.SetHeader(v.GetHeader())
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return headersFromObject(object.NewFromV2(oV2)), true
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}
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case *objectV2.HeadResponse:
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oV2 := new(objectV2.Object)
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var hdr *objectV2.Header
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switch v := resp.GetBody().GetHeaderPart().(type) {
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case *objectV2.GetHeaderPartShort:
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hdr = new(objectV2.Header)
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h := v.GetShortHeader()
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hdr.SetVersion(h.GetVersion())
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hdr.SetCreationEpoch(h.GetCreationEpoch())
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hdr.SetOwnerID(h.GetOwnerID())
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hdr.SetObjectType(h.GetObjectType())
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hdr.SetPayloadLength(h.GetPayloadLength())
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case *objectV2.GetHeaderPartFull:
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hdr = v.GetHeaderWithSignature().GetHeader()
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}
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oV2.SetHeader(hdr)
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return headersFromObject(object.NewFromV2(oV2)), true
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}
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}
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return nil, true
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}
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func (h *headerSource) localObjectHeaders(addr *refs.Address) ([]eacl.Header, bool) {
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obj, err := h.storage.Head(objectSDK.NewAddressFromV2(addr))
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if err == nil {
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return headersFromObject(obj), true
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}
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return nil, false
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}
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