forked from TrueCloudLab/frostfs-node
[#1105] apemanager: Implement apemanager service
* Introduce grpc server for apemanager service and its implementation in `pkg/services/apemanager`. Signed-off-by: Airat Arifullin <a.arifullin@yadro.com>
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8 changed files with 434 additions and 0 deletions
245
pkg/services/apemanager/executor.go
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245
pkg/services/apemanager/executor.go
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package apemanager
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import (
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"context"
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"crypto/ecdsa"
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"crypto/elliptic"
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"crypto/rand"
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"errors"
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"fmt"
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apemanager_v2 "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/apemanager"
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"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/refs"
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session "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/session"
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ape_contract "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/ape/contract_storage"
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containercore "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/core/container"
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apemanager_errors "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/services/apemanager/errors"
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"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/util/logger"
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cidSDK "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id"
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"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/user"
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apechain "git.frostfs.info/TrueCloudLab/policy-engine/pkg/chain"
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policy_engine "git.frostfs.info/TrueCloudLab/policy-engine/pkg/engine"
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"github.com/mr-tron/base58/base58"
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"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
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"go.uber.org/zap"
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)
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var (
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errEmptyBodySignature = errors.New("malformed request: empty body signature")
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)
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type cfg struct {
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log *logger.Logger
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}
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type Service struct {
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cfg
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cnrSrc containercore.Source
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contractStorage ape_contract.ProxyAdaptedContractStorage
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}
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type Option func(*cfg)
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func New(cnrSrc containercore.Source, contractStorage ape_contract.ProxyAdaptedContractStorage, opts ...Option) *Service {
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s := &Service{
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cnrSrc: cnrSrc,
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contractStorage: contractStorage,
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}
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for i := range opts {
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opts[i](&s.cfg)
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}
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if s.log == nil {
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s.log = &logger.Logger{Logger: zap.NewNop()}
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}
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return s
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}
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func WithLogger(log *logger.Logger) Option {
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return func(c *cfg) {
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c.log = log
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}
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}
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var _ Server = (*Service)(nil)
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// validateContainerTargetRequest validates request for the container target.
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// It checks if request actor is the owner of the container, otherwise it denies the request.
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func (s *Service) validateContainerTargetRequest(cid string, pubKey *keys.PublicKey) error {
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var cidSDK cidSDK.ID
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if err := cidSDK.DecodeString(cid); err != nil {
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return fmt.Errorf("invalid CID format: %w", err)
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}
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isOwner, err := s.isActorContainerOwner(cidSDK, pubKey)
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if err != nil {
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return fmt.Errorf("failed to check owner: %w", err)
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}
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if !isOwner {
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return apemanager_errors.ErrAPEManagerAccessDenied("actor must be container owner")
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}
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return nil
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}
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func (s *Service) AddChain(_ context.Context, req *apemanager_v2.AddChainRequest) (*apemanager_v2.AddChainResponse, error) {
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pub, err := getSignaturePublicKey(req.GetVerificationHeader())
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if err != nil {
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return nil, err
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}
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chain, err := decodeAndValidateChain(req.GetBody().GetChain().GetKind().(*apemanager_v2.ChainRaw).GetRaw())
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if err != nil {
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return nil, err
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}
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if len(chain.ID) == 0 {
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const randomIDLength = 10
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randID, err := base58Str(randomIDLength)
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if err != nil {
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return nil, fmt.Errorf("randomize chain ID error: %w", err)
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}
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chain.ID = apechain.ID(randID)
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}
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var target policy_engine.Target
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switch targetType := req.GetBody().GetTarget().GetTargetType(); targetType {
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case apemanager_v2.TargetTypeContainer:
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reqCID := req.GetBody().GetTarget().GetName()
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if err = s.validateContainerTargetRequest(reqCID, pub); err != nil {
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return nil, err
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}
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target = policy_engine.ContainerTarget(reqCID)
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default:
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return nil, fmt.Errorf("unsupported target type: %s", targetType)
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}
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if _, _, err = s.contractStorage.AddMorphRuleChain(apechain.Ingress, target, &chain); err != nil {
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return nil, err
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}
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body := new(apemanager_v2.AddChainResponseBody)
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body.SetChainID(chain.ID)
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resp := new(apemanager_v2.AddChainResponse)
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resp.SetBody(body)
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return resp, nil
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}
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func (s *Service) RemoveChain(_ context.Context, req *apemanager_v2.RemoveChainRequest) (*apemanager_v2.RemoveChainResponse, error) {
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pub, err := getSignaturePublicKey(req.GetVerificationHeader())
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if err != nil {
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return nil, err
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}
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var target policy_engine.Target
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switch targetType := req.GetBody().GetTarget().GetTargetType(); targetType {
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case apemanager_v2.TargetTypeContainer:
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reqCID := req.GetBody().GetTarget().GetName()
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if err = s.validateContainerTargetRequest(reqCID, pub); err != nil {
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return nil, err
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}
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target = policy_engine.ContainerTarget(reqCID)
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default:
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return nil, fmt.Errorf("unsupported target type: %s", targetType)
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}
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if _, _, err = s.contractStorage.RemoveMorphRuleChain(apechain.Ingress, target, req.GetBody().GetChainID()); err != nil {
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return nil, err
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}
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body := new(apemanager_v2.RemoveChainResponseBody)
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resp := new(apemanager_v2.RemoveChainResponse)
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resp.SetBody(body)
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return resp, nil
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}
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func (s *Service) ListChains(_ context.Context, req *apemanager_v2.ListChainsRequest) (*apemanager_v2.ListChainsResponse, error) {
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pub, err := getSignaturePublicKey(req.GetVerificationHeader())
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if err != nil {
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return nil, err
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}
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var target policy_engine.Target
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switch targetType := req.GetBody().GetTarget().GetTargetType(); targetType {
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case apemanager_v2.TargetTypeContainer:
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reqCID := req.GetBody().GetTarget().GetName()
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if err = s.validateContainerTargetRequest(reqCID, pub); err != nil {
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return nil, err
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}
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target = policy_engine.ContainerTarget(reqCID)
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default:
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return nil, fmt.Errorf("unsupported target type: %s", targetType)
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}
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chs, err := s.contractStorage.ListMorphRuleChains(apechain.Ingress, target)
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if err != nil {
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return nil, err
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}
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res := make([]*apemanager_v2.Chain, 0, len(chs))
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for _, ch := range chs {
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v2chraw := new(apemanager_v2.ChainRaw)
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v2chraw.SetRaw(ch.Bytes())
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v2ch := new(apemanager_v2.Chain)
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v2ch.SetKind(v2chraw)
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res = append(res, v2ch)
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}
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body := new(apemanager_v2.ListChainsResponseBody)
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body.SetChains(res)
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resp := new(apemanager_v2.ListChainsResponse)
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resp.SetBody(body)
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return resp, nil
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}
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func getSignaturePublicKey(vh *session.RequestVerificationHeader) (*keys.PublicKey, error) {
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for vh.GetOrigin() != nil {
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vh = vh.GetOrigin()
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}
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sig := vh.GetBodySignature()
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if sig == nil {
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return nil, errEmptyBodySignature
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}
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key, err := keys.NewPublicKeyFromBytes(sig.GetKey(), elliptic.P256())
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if err != nil {
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return nil, fmt.Errorf("invalid signature key: %w", err)
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}
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return key, nil
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}
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func (s *Service) isActorContainerOwner(cid cidSDK.ID, pk *keys.PublicKey) (bool, error) {
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var actor user.ID
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user.IDFromKey(&actor, (ecdsa.PublicKey)(*pk))
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actorOwnerID := new(refs.OwnerID)
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actor.WriteToV2(actorOwnerID)
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cnr, err := s.cnrSrc.Get(cid)
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if err != nil {
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return false, fmt.Errorf("get container error: %w", err)
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}
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return cnr.Value.Owner().Equals(actor), nil
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}
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// base58Str generates base58 string.
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func base58Str(n int) (string, error) {
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b := make([]byte, n)
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_, err := rand.Read(b)
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if err != nil {
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return "", err
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}
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return base58.FastBase58Encoding(b), nil
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}
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