frostfs-node/pkg/services/object/ape/request.go

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package ape
import (
"context"
"crypto/sha256"
"fmt"
"net"
"strconv"
objectV2 "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/object"
aperequest "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/ape/request"
"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/core/netmap"
"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/core/object"
"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/acl"
cid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id"
objectSDK "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object"
oid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object/id"
"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/user"
commonschema "git.frostfs.info/TrueCloudLab/policy-engine/schema/common"
nativeschema "git.frostfs.info/TrueCloudLab/policy-engine/schema/native"
"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
"google.golang.org/grpc/peer"
)
var defaultRequest = aperequest.Request{}
func nativeSchemaRole(role acl.Role) string {
switch role {
case acl.RoleOwner:
return nativeschema.PropertyValueContainerRoleOwner
case acl.RoleContainer:
return nativeschema.PropertyValueContainerRoleContainer
case acl.RoleInnerRing:
return nativeschema.PropertyValueContainerRoleIR
case acl.RoleOthers:
return nativeschema.PropertyValueContainerRoleOthers
default:
return ""
}
}
func resourceName(cid cid.ID, oid *oid.ID, namespace string) string {
if namespace == "root" || namespace == "" {
if oid != nil {
return fmt.Sprintf(nativeschema.ResourceFormatRootContainerObject, cid.EncodeToString(), oid.EncodeToString())
}
return fmt.Sprintf(nativeschema.ResourceFormatRootContainerObjects, cid.EncodeToString())
}
if oid != nil {
return fmt.Sprintf(nativeschema.ResourceFormatNamespaceContainerObject, namespace, cid.EncodeToString(), oid.EncodeToString())
}
return fmt.Sprintf(nativeschema.ResourceFormatNamespaceContainerObjects, namespace, cid.EncodeToString())
}
// objectProperties collects object properties from address parameters and a header if it is passed.
func objectProperties(cnr cid.ID, oid *oid.ID, cnrOwner user.ID, header *objectV2.Header) map[string]string {
objectProps := map[string]string{
nativeschema.PropertyKeyObjectContainerID: cnr.EncodeToString(),
}
objectProps[nativeschema.PropertyKeyContainerOwnerID] = cnrOwner.EncodeToString()
if oid != nil {
objectProps[nativeschema.PropertyKeyObjectID] = oid.String()
}
if header == nil {
return objectProps
}
objV2 := new(objectV2.Object)
objV2.SetHeader(header)
objSDK := objectSDK.NewFromV2(objV2)
objectProps[nativeschema.PropertyKeyObjectVersion] = objSDK.Version().String()
objectProps[nativeschema.PropertyKeyObjectOwnerID] = objSDK.OwnerID().EncodeToString()
objectProps[nativeschema.PropertyKeyObjectCreationEpoch] = strconv.Itoa(int(objSDK.CreationEpoch()))
objectProps[nativeschema.PropertyKeyObjectPayloadLength] = strconv.Itoa(int(objSDK.PayloadSize()))
objectProps[nativeschema.PropertyKeyObjectType] = objSDK.Type().String()
pcs, isSet := objSDK.PayloadChecksum()
if isSet {
objectProps[nativeschema.PropertyKeyObjectPayloadHash] = pcs.String()
}
hcs, isSet := objSDK.PayloadHomomorphicHash()
if isSet {
objectProps[nativeschema.PropertyKeyObjectHomomorphicHash] = hcs.String()
}
for _, attr := range header.GetAttributes() {
objectProps[attr.GetKey()] = attr.GetValue()
}
return objectProps
}
// newAPERequest creates an APE request to be passed to a chain router. It collects resource properties from
// header provided by headerProvider. If it cannot be found in headerProvider, then properties are
// initialized from header given in prm (if it is set). Otherwise, just CID and OID are set to properties.
func (c *checkerImpl) newAPERequest(ctx context.Context, prm Prm) (aperequest.Request, error) {
switch prm.Method {
case nativeschema.MethodGetObject,
nativeschema.MethodHeadObject,
nativeschema.MethodRangeObject,
nativeschema.MethodHashObject,
nativeschema.MethodDeleteObject:
if prm.Object == nil {
return defaultRequest, fmt.Errorf("method %s: %w", prm.Method, errMissingOID)
}
case nativeschema.MethodSearchObject, nativeschema.MethodPutObject:
default:
return defaultRequest, fmt.Errorf("unknown method: %s", prm.Method)
}
var header *objectV2.Header
if prm.Header != nil {
header = prm.Header
} else if prm.Object != nil && !prm.WithoutHeaderRequest {
headerObjSDK, err := c.headerProvider.GetHeader(ctx, prm.Container, *prm.Object, true)
if err == nil {
header = headerObjSDK.ToV2().GetHeader()
}
}
header = c.fillHeaderWithECParent(ctx, prm, header)
reqProps := map[string]string{
nativeschema.PropertyKeyActorPublicKey: prm.SenderKey,
nativeschema.PropertyKeyActorRole: prm.Role,
}
for _, xhead := range prm.XHeaders {
xheadKey := fmt.Sprintf(commonschema.PropertyKeyFrostFSXHeader, xhead.GetKey())
reqProps[xheadKey] = xhead.GetValue()
}
var err error
reqProps, err = c.fillWithUserClaimTags(reqProps, prm)
if err != nil {
return defaultRequest, err
}
if p, ok := peer.FromContext(ctx); ok {
if tcpAddr, ok := p.Addr.(*net.TCPAddr); ok {
reqProps[commonschema.PropertyKeyFrostFSSourceIP] = tcpAddr.IP.String()
}
}
return aperequest.NewRequest(
prm.Method,
aperequest.NewResource(
resourceName(prm.Container, prm.Object, prm.Namespace),
objectProperties(prm.Container, prm.Object, prm.ContainerOwner, header),
),
reqProps,
), nil
}
func (c *checkerImpl) fillHeaderWithECParent(ctx context.Context, prm Prm, header *objectV2.Header) *objectV2.Header {
if header == nil {
return header
}
if header.GetEC() == nil {
return header
}
if prm.Role == nativeschema.PropertyValueContainerRoleContainer ||
prm.Role == nativeschema.PropertyValueContainerRoleIR {
return header
}
parentObjRefID := header.GetEC().Parent
if parentObjRefID == nil {
return header
}
var parentObjID oid.ID
if err := parentObjID.ReadFromV2(*parentObjRefID); err != nil {
return header
}
// only container node have access to collect parent object
contNode, err := c.currentNodeIsContainerNode(prm.Container)
if err != nil || !contNode {
return header
}
parentObj, err := c.headerProvider.GetHeader(ctx, prm.Container, parentObjID, false)
if err != nil {
return header
}
return parentObj.ToV2().GetHeader()
}
func (c *checkerImpl) currentNodeIsContainerNode(cnrID cid.ID) (bool, error) {
cnr, err := c.cnrSource.Get(cnrID)
if err != nil {
return false, err
}
nm, err := netmap.GetLatestNetworkMap(c.nm)
if err != nil {
return false, err
}
idCnr := make([]byte, sha256.Size)
cnrID.Encode(idCnr)
in, err := object.LookupKeyInContainer(nm, c.nodePK, idCnr, cnr.Value)
if err != nil {
return false, err
} else if in {
return true, nil
}
nm, err = netmap.GetPreviousNetworkMap(c.nm)
if err != nil {
return false, err
}
return object.LookupKeyInContainer(nm, c.nodePK, idCnr, cnr.Value)
}
// fillWithUserClaimTags fills ape request properties with user claim tags getting them from frostfsid contract by actor public key.
func (c *checkerImpl) fillWithUserClaimTags(reqProps map[string]string, prm Prm) (map[string]string, error) {
if reqProps == nil {
reqProps = make(map[string]string)
}
pk, err := keys.NewPublicKeyFromString(prm.SenderKey)
if err != nil {
return nil, err
}
props, err := aperequest.FormFrostfsIDRequestProperties(c.frostFSIDClient, pk)
if err != nil {
return reqProps, err
}
for propertyName, properyValue := range props {
reqProps[propertyName] = properyValue
}
return reqProps, nil
}