lotus/node/impl/common.go
Aayush Rajasekaran c742d45b19 Re: : Add a FindPeer RPC method
- Given a Peer ID, this method looks into the DHT to find that peer's addresses
- This commit also adds a CLI command to use this new RPC endpoint
2020-02-18 16:31:42 -05:00

112 lines
2.7 KiB
Go

package impl
import (
"context"
"github.com/filecoin-project/lotus/node/modules/lp2p"
logging "github.com/ipfs/go-log/v2"
"github.com/gbrlsnchs/jwt/v3"
"github.com/libp2p/go-libp2p-core/host"
"github.com/libp2p/go-libp2p-core/network"
"github.com/libp2p/go-libp2p-core/peer"
ma "github.com/multiformats/go-multiaddr"
"go.uber.org/fx"
"golang.org/x/xerrors"
"github.com/filecoin-project/lotus/api"
"github.com/filecoin-project/lotus/build"
"github.com/filecoin-project/lotus/node/modules/dtypes"
)
type CommonAPI struct {
fx.In
APISecret *dtypes.APIAlg
Host host.Host
Router lp2p.BaseIpfsRouting
}
type jwtPayload struct {
Allow []string
}
func (a *CommonAPI) AuthVerify(ctx context.Context, token string) ([]api.Permission, error) {
var payload jwtPayload
if _, err := jwt.Verify([]byte(token), (*jwt.HMACSHA)(a.APISecret), &payload); err != nil {
return nil, xerrors.Errorf("JWT Verification failed: %w", err)
}
return payload.Allow, nil
}
func (a *CommonAPI) AuthNew(ctx context.Context, perms []api.Permission) ([]byte, error) {
p := jwtPayload{
Allow: perms, // TODO: consider checking validity
}
return jwt.Sign(&p, (*jwt.HMACSHA)(a.APISecret))
}
func (a *CommonAPI) NetConnectedness(ctx context.Context, pid peer.ID) (network.Connectedness, error) {
return a.Host.Network().Connectedness(pid), nil
}
func (a *CommonAPI) NetPeers(context.Context) ([]peer.AddrInfo, error) {
conns := a.Host.Network().Conns()
out := make([]peer.AddrInfo, len(conns))
for i, conn := range conns {
out[i] = peer.AddrInfo{
ID: conn.RemotePeer(),
Addrs: []ma.Multiaddr{
conn.RemoteMultiaddr(),
},
}
}
return out, nil
}
func (a *CommonAPI) NetConnect(ctx context.Context, p peer.AddrInfo) error {
return a.Host.Connect(ctx, p)
}
func (a *CommonAPI) NetAddrsListen(context.Context) (peer.AddrInfo, error) {
return peer.AddrInfo{
ID: a.Host.ID(),
Addrs: a.Host.Addrs(),
}, nil
}
func (a *CommonAPI) NetDisconnect(ctx context.Context, p peer.ID) error {
return a.Host.Network().ClosePeer(p)
}
func (a *CommonAPI) NetFindPeer(ctx context.Context, p peer.ID) (peer.AddrInfo, error) {
return a.Router.FindPeer(ctx, p)
}
func (a *CommonAPI) ID(context.Context) (peer.ID, error) {
return a.Host.ID(), nil
}
func (a *CommonAPI) Version(context.Context) (api.Version, error) {
return api.Version{
Version: build.UserVersion,
APIVersion: build.APIVersion,
BlockDelay: build.BlockDelay,
}, nil
}
func (a *CommonAPI) LogList(context.Context) ([]string, error) {
return logging.GetSubsystems(), nil
}
func (a *CommonAPI) LogSetLevel(ctx context.Context, subsystem, level string) error {
return logging.SetLogLevel(subsystem, level)
}
var _ api.Common = &CommonAPI{}