lotus/node/modules/core.go
2019-10-17 03:24:45 +02:00

126 lines
2.9 KiB
Go

package modules
import (
"context"
"crypto/rand"
"github.com/filecoin-project/go-lotus/build"
"github.com/filecoin-project/go-lotus/lib/addrutil"
"github.com/filecoin-project/go-lotus/node/modules/helpers"
"github.com/gbrlsnchs/jwt/v3"
logging "github.com/ipfs/go-log"
"github.com/libp2p/go-libp2p-core/host"
"github.com/libp2p/go-libp2p-core/peerstore"
record "github.com/libp2p/go-libp2p-record"
"go.uber.org/fx"
"golang.org/x/xerrors"
"io"
"io/ioutil"
"time"
"github.com/filecoin-project/go-lotus/api"
"github.com/filecoin-project/go-lotus/chain/types"
"github.com/filecoin-project/go-lotus/node/modules/dtypes"
"github.com/filecoin-project/go-lotus/node/repo"
)
var log = logging.Logger("modules")
type Genesis func() (*types.BlockHeader, error)
// RecordValidator provides namesys compatible routing record validator
func RecordValidator(ps peerstore.Peerstore) record.Validator {
return record.NamespacedValidator{
"pk": record.PublicKeyValidator{},
}
}
const JWTSecretName = "auth-jwt-private"
type jwtPayload struct {
Allow []string
}
func APISecret(keystore types.KeyStore, lr repo.LockedRepo) (*dtypes.APIAlg, error) {
key, err := keystore.Get(JWTSecretName)
if err != nil {
log.Warn("Generating new API secret")
sk, err := ioutil.ReadAll(io.LimitReader(rand.Reader, 32))
if err != nil {
return nil, err
}
key = types.KeyInfo{
Type: "jwt-hmac-secret",
PrivateKey: sk,
}
if err := keystore.Put(JWTSecretName, key); err != nil {
return nil, xerrors.Errorf("writing API secret: %w", err)
}
// TODO: make this configurable
p := jwtPayload{
Allow: api.AllPermissions,
}
cliToken, err := jwt.Sign(&p, jwt.NewHS256(key.PrivateKey))
if err != nil {
return nil, err
}
if err := lr.SetAPIToken(cliToken); err != nil {
return nil, err
}
}
return (*dtypes.APIAlg)(jwt.NewHS256(key.PrivateKey)), nil
}
func ConfigBootstrap(peers []string) func() (dtypes.BootstrapPeers, error) {
return func() (dtypes.BootstrapPeers, error) {
return addrutil.ParseAddresses(context.TODO(), peers)
}
}
func BuiltinBootstrap() (dtypes.BootstrapPeers, error) {
return build.BuiltinBootstrap()
}
func Bootstrap(mctx helpers.MetricsCtx, lc fx.Lifecycle, host host.Host, pinfos dtypes.BootstrapPeers) {
ctx, cancel := context.WithCancel(mctx)
lc.Append(fx.Hook{
OnStart: func(_ context.Context) error {
go func() {
for {
sctx, cancel := context.WithTimeout(ctx, 2*time.Second)
<-sctx.Done()
cancel()
if ctx.Err() != nil {
return
}
if len(host.Network().Conns()) > 0 {
continue
}
log.Warn("No peers connected, performing automatic bootstrap")
for _, pi := range pinfos {
if err := host.Connect(ctx, pi); err != nil {
log.Warn("bootstrap connect failed: ", err)
}
}
}
}()
return nil
},
OnStop: func(_ context.Context) error {
cancel()
return nil
},
})
}