frostfs-s3-gw/api/layer/container.go

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package layer
import (
"context"
"strconv"
"time"
"github.com/nspcc-dev/neofs-s3-gw/api"
"github.com/nspcc-dev/neofs-s3-gw/api/data"
"github.com/nspcc-dev/neofs-s3-gw/api/errors"
"github.com/nspcc-dev/neofs-s3-gw/api/layer/neofs"
"github.com/nspcc-dev/neofs-sdk-go/acl"
"github.com/nspcc-dev/neofs-sdk-go/client"
"github.com/nspcc-dev/neofs-sdk-go/container"
cid "github.com/nspcc-dev/neofs-sdk-go/container/id"
"github.com/nspcc-dev/neofs-sdk-go/eacl"
"github.com/nspcc-dev/neofs-sdk-go/session"
"go.uber.org/zap"
)
type (
// BucketACL extends BucketInfo by eacl.Table.
BucketACL struct {
Info *data.BucketInfo
EACL *eacl.Table
}
)
const (
attributeLocationConstraint = ".s3-location-constraint"
AttributeLockEnabled = "LockEnabled"
)
func (n *layer) containerInfo(ctx context.Context, idCnr *cid.ID) (*data.BucketInfo, error) {
var (
err error
res *container.Container
rid = api.GetRequestID(ctx)
log = n.log.With(zap.Stringer("cid", idCnr), zap.String("request_id", rid))
info = &data.BucketInfo{
CID: idCnr,
Name: idCnr.String(),
}
)
res, err = n.neoFS.Container(ctx, *idCnr)
if err != nil {
log.Error("could not fetch container", zap.Error(err))
if client.IsErrContainerNotFound(err) {
return nil, errors.GetAPIError(errors.ErrNoSuchBucket)
}
return nil, err
}
info.Owner = res.OwnerID()
info.BasicACL = res.BasicACL()
for _, attr := range res.Attributes() {
switch key, val := attr.Key(), attr.Value(); key {
case container.AttributeName:
info.Name = val
case container.AttributeTimestamp:
unix, err := strconv.ParseInt(attr.Value(), 10, 64)
if err != nil {
log.Error("could not parse container creation time",
zap.String("created_at", val), zap.Error(err))
continue
}
info.Created = time.Unix(unix, 0)
case attributeLocationConstraint:
info.LocationConstraint = val
case AttributeLockEnabled:
info.ObjectLockEnabled, err = strconv.ParseBool(val)
if err != nil {
log.Error("could not parse container object lock enabled attribute",
zap.String("lock_enabled", val), zap.Error(err))
}
}
}
if err = n.bucketCache.Put(info); err != nil {
log.Warn("could not put bucket info into cache",
zap.String("bucket_name", info.Name), zap.Error(err))
}
return info, nil
}
func (n *layer) containerList(ctx context.Context) ([]*data.BucketInfo, error) {
var (
err error
own = n.Owner(ctx)
res []cid.ID
rid = api.GetRequestID(ctx)
)
res, err = n.neoFS.UserContainers(ctx, own)
if err != nil {
n.log.Error("could not list user containers",
zap.String("request_id", rid),
zap.Error(err))
return nil, err
}
list := make([]*data.BucketInfo, 0, len(res))
for i := range res {
info, err := n.containerInfo(ctx, &res[i])
if err != nil {
n.log.Error("could not fetch container info",
zap.String("request_id", rid),
zap.Error(err))
continue
}
list = append(list, info)
}
return list, nil
}
func (n *layer) createContainer(ctx context.Context, p *CreateBucketParams) (*data.BucketInfo, error) {
var err error
ownerID := n.Owner(ctx)
bktInfo := &data.BucketInfo{
Name: p.Name,
Owner: &ownerID,
Created: time.Now(), // this can be a little incorrect since the real time is set later
BasicACL: p.ACL,
LocationConstraint: p.LocationConstraint,
ObjectLockEnabled: p.ObjectLockEnabled,
}
var attributes [][2]string
if p.LocationConstraint != "" {
attributes = append(attributes, [2]string{
attributeLocationConstraint, p.LocationConstraint,
})
}
if p.ObjectLockEnabled {
attributes = append(attributes, [2]string{
AttributeLockEnabled, "true",
})
}
if bktInfo.CID, err = n.neoFS.CreateContainer(ctx, neofs.PrmContainerCreate{
Creator: *bktInfo.Owner,
Policy: *p.Policy,
Name: p.Name,
SessionToken: p.SessionToken,
BasicACL: acl.BasicACL(p.ACL),
AdditionalAttributes: attributes,
}); err != nil {
return nil, err
}
if err = n.setContainerEACLTable(ctx, bktInfo.CID, p.EACL); err != nil {
return nil, err
}
if err = n.bucketCache.Put(bktInfo); err != nil {
n.log.Warn("couldn't put bucket info into cache",
zap.String("bucket name", bktInfo.Name),
zap.Stringer("bucket cid", bktInfo.CID),
zap.Error(err))
}
return bktInfo, nil
}
func (n *layer) setContainerEACLTable(ctx context.Context, idCnr *cid.ID, table *eacl.Table) error {
table.SetCID(*idCnr)
boxData, err := GetBoxData(ctx)
if err == nil {
table.SetSessionToken(boxData.Gate.SessionTokenForSetEACL())
}
return n.neoFS.SetContainerEACL(ctx, *table)
}
func (n *layer) GetContainerEACL(ctx context.Context, idCnr *cid.ID) (*eacl.Table, error) {
return n.neoFS.ContainerEACL(ctx, *idCnr)
}
func (n *layer) deleteContainer(ctx context.Context, idCnr *cid.ID) error {
var sessionToken *session.Token
boxData, err := GetBoxData(ctx)
if err == nil {
sessionToken = boxData.Gate.SessionTokenForDelete()
}
return n.neoFS.DeleteContainer(ctx, *idCnr, sessionToken)
}