forked from TrueCloudLab/frostfs-s3-gw
90 lines
2.3 KiB
Go
90 lines
2.3 KiB
Go
package frostfsid
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import (
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"context"
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"fmt"
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"strings"
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"git.frostfs.info/TrueCloudLab/frostfs-contract/frostfsid/client"
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"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/api/middleware"
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"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container"
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"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/ns"
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"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
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"github.com/nspcc-dev/neo-go/pkg/rpcclient"
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"github.com/nspcc-dev/neo-go/pkg/util"
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"github.com/nspcc-dev/neo-go/pkg/wallet"
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)
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type FrostFSID struct {
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cli *client.Client
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}
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type Config struct {
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// RPCAddress is an endpoint to connect to neo rpc.
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RPCAddress string
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// Contract is hash of contract or its name in NNS.
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Contract string
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// Key is used to interact with frostfsid contract.
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// If this is nil than random key will be generated.
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Key *keys.PrivateKey
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}
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var _ middleware.FrostFSID = (*FrostFSID)(nil)
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// New creates new FrostfsID contract wrapper that implements auth.FrostFSID interface.
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func New(ctx context.Context, cfg Config) (*FrostFSID, error) {
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contractHash, err := fetchContractHash(cfg)
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if err != nil {
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return nil, fmt.Errorf("resolve frostfs contract hash: %w", err)
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}
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key := cfg.Key
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if key == nil {
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if key, err = keys.NewPrivateKey(); err != nil {
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return nil, fmt.Errorf("generate anon private key for frostfsid: %w", err)
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}
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}
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rpcCli, err := rpcclient.New(ctx, cfg.RPCAddress, rpcclient.Options{})
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if err != nil {
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return nil, fmt.Errorf("init rpc client: %w", err)
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}
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cli, err := client.New(rpcCli, wallet.NewAccountFromPrivateKey(key), contractHash, nil)
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if err != nil {
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return nil, fmt.Errorf("init frostfsid client: %w", err)
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}
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return &FrostFSID{
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cli: cli,
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}, nil
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}
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func (f *FrostFSID) ValidatePublicKey(key *keys.PublicKey) error {
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_, err := f.cli.GetSubjectByKey(key)
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return err
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}
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func fetchContractHash(cfg Config) (util.Uint160, error) {
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if hash, err := util.Uint160DecodeStringLE(cfg.Contract); err == nil {
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return hash, nil
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}
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splitName := strings.Split(cfg.Contract, ".")
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if len(splitName) != 2 {
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return util.Uint160{}, fmt.Errorf("invalid contract name: '%s'", cfg.Contract)
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}
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var domain container.Domain
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domain.SetName(splitName[0])
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domain.SetZone(splitName[1])
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var nns ns.NNS
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if err := nns.Dial(cfg.RPCAddress); err != nil {
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return util.Uint160{}, fmt.Errorf("dial nns %s: %w", cfg.RPCAddress, err)
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}
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return nns.ResolveContractHash(domain)
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}
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