frostfs-s3-gw/internal/frostfs/frostfsid/frostfsid.go

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package frostfsid
import (
"context"
"fmt"
"strconv"
"strings"
"git.frostfs.info/TrueCloudLab/frostfs-contract/frostfsid/client"
"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/api"
"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/api/handler"
"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/authmate"
frostfsutil "git.frostfs.info/TrueCloudLab/frostfs-s3-gw/internal/frostfs/util"
"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
"github.com/nspcc-dev/neo-go/pkg/rpcclient"
"github.com/nspcc-dev/neo-go/pkg/util"
"github.com/nspcc-dev/neo-go/pkg/wallet"
)
type FrostFSID struct {
cli *client.Client
}
type Config struct {
// RPCAddress is an endpoint to connect to neo rpc.
RPCAddress string
// Contract is hash of contract or its name in NNS.
Contract string
// Key is used to interact with frostfsid contract.
// If this is nil than random key will be generated.
Key *keys.PrivateKey
}
var (
_ api.FrostFSID = (*FrostFSID)(nil)
_ authmate.FrostFSID = (*FrostFSID)(nil)
_ handler.FrostFSID = (*FrostFSID)(nil)
)
// New creates new FrostfsID contract wrapper that implements auth.FrostFSID interface.
func New(ctx context.Context, cfg Config) (*FrostFSID, error) {
contractHash, err := frostfsutil.ResolveContractHash(cfg.Contract, cfg.RPCAddress)
if err != nil {
return nil, fmt.Errorf("resolve frostfs contract hash: %w", err)
}
key := cfg.Key
if key == nil {
if key, err = keys.NewPrivateKey(); err != nil {
return nil, fmt.Errorf("generate anon private key for frostfsid: %w", err)
}
}
rpcCli, err := rpcclient.New(ctx, cfg.RPCAddress, rpcclient.Options{})
if err != nil {
return nil, fmt.Errorf("init rpc client: %w", err)
}
cli, err := client.New(rpcCli, wallet.NewAccountFromPrivateKey(key), contractHash, nil)
if err != nil {
return nil, fmt.Errorf("init frostfsid client: %w", err)
}
return &FrostFSID{
cli: cli,
}, nil
}
func (f *FrostFSID) ValidatePublicKey(key *keys.PublicKey) error {
_, err := f.cli.GetSubjectByKey(key)
return err
}
func (f *FrostFSID) RegisterPublicKey(key *keys.PublicKey) error {
_, err := f.cli.Wait(f.cli.CreateSubject(key))
if err != nil && !strings.Contains(err.Error(), "subject already exists") {
return err
}
return nil
}
func (f *FrostFSID) GetUserAddress(namespace, name string) (string, error) {
key, err := f.cli.GetSubjectKeyByName(namespace, name)
if err != nil {
return "", err
}
return key.Address(), nil
}
func (f *FrostFSID) GetUserGroupIDs(userHash util.Uint160) ([]string, error) {
subjExt, err := f.cli.GetSubjectExtended(userHash)
if err != nil {
if strings.Contains(err.Error(), "not found") {
return nil, nil
}
return nil, err
}
res := make([]string, len(subjExt.Groups))
for i, group := range subjExt.Groups {
res[i] = strconv.FormatInt(group.ID, 10)
}
return res, nil
}