forked from TrueCloudLab/frostfs-node
98 lines
3.4 KiB
Go
98 lines
3.4 KiB
Go
package tree
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import (
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"context"
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"encoding/hex"
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"fmt"
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"net"
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"strings"
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"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/ape/converter"
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aperequest "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/ape/request"
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core "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/core/container"
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apistatus "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/client/status"
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cnrSDK "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container"
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"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/acl"
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cid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id"
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apechain "git.frostfs.info/TrueCloudLab/policy-engine/pkg/chain"
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"git.frostfs.info/TrueCloudLab/policy-engine/pkg/engine"
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commonschema "git.frostfs.info/TrueCloudLab/policy-engine/schema/common"
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nativeschema "git.frostfs.info/TrueCloudLab/policy-engine/schema/native"
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"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
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"google.golang.org/grpc/peer"
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)
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func (s *Service) checkAPE(ctx context.Context, container *core.Container, cid cid.ID, operation acl.Op, role acl.Role, publicKey *keys.PublicKey) error {
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namespace := ""
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cntNamespace, hasNamespace := strings.CutSuffix(cnrSDK.ReadDomain(container.Value).Zone(), ".ns")
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if hasNamespace {
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namespace = cntNamespace
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}
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schemaMethod, err := converter.SchemaMethodFromACLOperation(operation)
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if err != nil {
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return apeErr(err)
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}
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schemaRole, err := converter.SchemaRoleFromACLRole(role)
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if err != nil {
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return apeErr(err)
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}
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reqProps := map[string]string{
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nativeschema.PropertyKeyActorPublicKey: hex.EncodeToString(publicKey.Bytes()),
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nativeschema.PropertyKeyActorRole: schemaRole,
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}
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reqProps, err = s.fillWithUserClaimTags(reqProps, publicKey)
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if err != nil {
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return apeErr(err)
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}
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if p, ok := peer.FromContext(ctx); ok {
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if tcpAddr, ok := p.Addr.(*net.TCPAddr); ok {
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reqProps[commonschema.PropertyKeyFrostFSSourceIP] = tcpAddr.IP.String()
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}
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}
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var resourceName string
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if namespace == "root" || namespace == "" {
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resourceName = fmt.Sprintf(nativeschema.ResourceFormatRootContainerObjects, cid.EncodeToString())
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} else {
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resourceName = fmt.Sprintf(nativeschema.ResourceFormatNamespaceContainerObjects, namespace, cid.EncodeToString())
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}
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request := aperequest.NewRequest(
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schemaMethod,
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aperequest.NewResource(resourceName, make(map[string]string)),
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reqProps,
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)
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rt := engine.NewRequestTargetExtended(namespace, cid.EncodeToString(), fmt.Sprintf("%s:%s", namespace, publicKey.Address()), nil)
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status, found, err := s.router.IsAllowed(apechain.Ingress, rt, request)
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if err != nil {
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return apeErr(err)
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}
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if found && status == apechain.Allow {
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return nil
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}
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err = fmt.Errorf("access to operation %s is denied by access policy engine: %s", schemaMethod, status.String())
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return apeErr(err)
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}
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func apeErr(err error) error {
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errAccessDenied := &apistatus.ObjectAccessDenied{}
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errAccessDenied.WriteReason(err.Error())
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return errAccessDenied
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}
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// fillWithUserClaimTags fills ape request properties with user claim tags getting them from frostfsid contract by actor public key.
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func (s *Service) fillWithUserClaimTags(reqProps map[string]string, publicKey *keys.PublicKey) (map[string]string, error) {
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if reqProps == nil {
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reqProps = make(map[string]string)
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}
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props, err := aperequest.FormFrostfsIDRequestProperties(s.frostfsidSubjectProvider, publicKey)
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if err != nil {
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return reqProps, err
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}
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for propertyName, properyValue := range props {
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reqProps[propertyName] = properyValue
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}
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return reqProps, nil
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}
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