forked from TrueCloudLab/frostfs-node
275 lines
6.4 KiB
Go
275 lines
6.4 KiB
Go
package container
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import (
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"context"
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"errors"
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"fmt"
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"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/container"
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"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/refs"
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sessionV2 "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/session"
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containercore "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/core/container"
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containerSvc "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/services/container"
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cid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id"
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eaclSDK "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/eacl"
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"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/session"
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"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/user"
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)
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type morphExecutor struct {
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rdr Reader
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wrt Writer
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}
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// Reader is an interface of read-only container storage.
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type Reader interface {
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containercore.Source
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containercore.EACLSource
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// List returns a list of container identifiers belonging
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// to the specified user of FrostFS system. Returns the identifiers
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// of all FrostFS containers if pointer to owner identifier is nil.
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List(*user.ID) ([]cid.ID, error)
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}
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// Writer is an interface of container storage updater.
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type Writer interface {
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// Put stores specified container in the side chain.
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Put(containercore.Container) (*cid.ID, error)
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// Delete removes specified container from the side chain.
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Delete(containercore.RemovalWitness) error
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// PutEACL updates extended ACL table of specified container in the side chain.
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PutEACL(containercore.EACL) error
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}
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func NewExecutor(rdr Reader, wrt Writer) containerSvc.ServiceExecutor {
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return &morphExecutor{
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rdr: rdr,
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wrt: wrt,
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}
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}
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func (s *morphExecutor) Put(_ context.Context, tokV2 *sessionV2.Token, body *container.PutRequestBody) (*container.PutResponseBody, error) {
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sigV2 := body.GetSignature()
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if sigV2 == nil {
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// TODO(@cthulhu-rider): #468 use "const" error
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return nil, errors.New("missing signature")
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}
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cnrV2 := body.GetContainer()
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if cnrV2 == nil {
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return nil, errors.New("missing container field")
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}
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var cnr containercore.Container
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err := cnr.Value.ReadFromV2(*cnrV2)
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if err != nil {
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return nil, fmt.Errorf("invalid container: %w", err)
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}
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err = cnr.Signature.ReadFromV2(*sigV2)
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if err != nil {
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return nil, fmt.Errorf("can't read signature: %w", err)
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}
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if tokV2 != nil {
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cnr.Session = new(session.Container)
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err := cnr.Session.ReadFromV2(*tokV2)
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if err != nil {
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return nil, fmt.Errorf("invalid session token: %w", err)
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}
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}
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idCnr, err := s.wrt.Put(cnr)
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if err != nil {
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return nil, err
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}
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var idCnrV2 refs.ContainerID
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idCnr.WriteToV2(&idCnrV2)
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res := new(container.PutResponseBody)
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res.SetContainerID(&idCnrV2)
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return res, nil
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}
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func (s *morphExecutor) Delete(_ context.Context, tokV2 *sessionV2.Token, body *container.DeleteRequestBody) (*container.DeleteResponseBody, error) {
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idV2 := body.GetContainerID()
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if idV2 == nil {
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return nil, errors.New("missing container ID")
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}
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var id cid.ID
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err := id.ReadFromV2(*idV2)
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if err != nil {
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return nil, fmt.Errorf("invalid container ID: %w", err)
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}
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var tok *session.Container
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if tokV2 != nil {
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tok = new(session.Container)
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err := tok.ReadFromV2(*tokV2)
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if err != nil {
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return nil, fmt.Errorf("invalid session token: %w", err)
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}
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}
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var rmWitness containercore.RemovalWitness
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rmWitness.ContainerID = id
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rmWitness.Signature = body.GetSignature()
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rmWitness.SessionToken = tok
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err = s.wrt.Delete(rmWitness)
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if err != nil {
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return nil, err
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}
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return new(container.DeleteResponseBody), nil
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}
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func (s *morphExecutor) Get(_ context.Context, body *container.GetRequestBody) (*container.GetResponseBody, error) {
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idV2 := body.GetContainerID()
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if idV2 == nil {
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return nil, errors.New("missing container ID")
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}
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var id cid.ID
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err := id.ReadFromV2(*idV2)
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if err != nil {
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return nil, fmt.Errorf("invalid container ID: %w", err)
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}
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cnr, err := s.rdr.Get(id)
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if err != nil {
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return nil, err
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}
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sigV2 := new(refs.Signature)
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cnr.Signature.WriteToV2(sigV2)
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var tokV2 *sessionV2.Token
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if cnr.Session != nil {
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tokV2 = new(sessionV2.Token)
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cnr.Session.WriteToV2(tokV2)
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}
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var cnrV2 container.Container
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cnr.Value.WriteToV2(&cnrV2)
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res := new(container.GetResponseBody)
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res.SetContainer(&cnrV2)
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res.SetSignature(sigV2)
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res.SetSessionToken(tokV2)
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return res, nil
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}
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func (s *morphExecutor) List(_ context.Context, body *container.ListRequestBody) (*container.ListResponseBody, error) {
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idV2 := body.GetOwnerID()
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if idV2 == nil {
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return nil, fmt.Errorf("missing user ID")
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}
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var id user.ID
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err := id.ReadFromV2(*idV2)
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if err != nil {
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return nil, fmt.Errorf("invalid user ID: %w", err)
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}
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cnrs, err := s.rdr.List(&id)
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if err != nil {
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return nil, err
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}
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cidList := make([]refs.ContainerID, len(cnrs))
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for i := range cnrs {
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cnrs[i].WriteToV2(&cidList[i])
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}
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res := new(container.ListResponseBody)
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res.SetContainerIDs(cidList)
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return res, nil
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}
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func (s *morphExecutor) SetExtendedACL(_ context.Context, tokV2 *sessionV2.Token, body *container.SetExtendedACLRequestBody) (*container.SetExtendedACLResponseBody, error) {
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sigV2 := body.GetSignature()
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if sigV2 == nil {
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// TODO(@cthulhu-rider): #468 use "const" error
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return nil, errors.New("missing signature")
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}
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eaclInfo := containercore.EACL{
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Value: eaclSDK.NewTableFromV2(body.GetEACL()),
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}
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err := eaclInfo.Signature.ReadFromV2(*sigV2)
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if err != nil {
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return nil, fmt.Errorf("can't read signature: %w", err)
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}
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if tokV2 != nil {
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eaclInfo.Session = new(session.Container)
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err := eaclInfo.Session.ReadFromV2(*tokV2)
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if err != nil {
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return nil, fmt.Errorf("invalid session token: %w", err)
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}
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}
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err = s.wrt.PutEACL(eaclInfo)
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if err != nil {
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return nil, err
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}
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return new(container.SetExtendedACLResponseBody), nil
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}
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func (s *morphExecutor) GetExtendedACL(_ context.Context, body *container.GetExtendedACLRequestBody) (*container.GetExtendedACLResponseBody, error) {
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idV2 := body.GetContainerID()
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if idV2 == nil {
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return nil, errors.New("missing container ID")
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}
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var id cid.ID
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err := id.ReadFromV2(*idV2)
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if err != nil {
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return nil, fmt.Errorf("invalid container ID: %w", err)
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}
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eaclInfo, err := s.rdr.GetEACL(id)
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if err != nil {
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return nil, err
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}
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var sigV2 refs.Signature
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eaclInfo.Signature.WriteToV2(&sigV2)
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var tokV2 *sessionV2.Token
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if eaclInfo.Session != nil {
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tokV2 = new(sessionV2.Token)
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eaclInfo.Session.WriteToV2(tokV2)
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}
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res := new(container.GetExtendedACLResponseBody)
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res.SetEACL(eaclInfo.Value.ToV2())
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res.SetSignature(&sigV2)
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res.SetSessionToken(tokV2)
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return res, nil
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}
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