package transport_integration import ( "context" "testing" "time" "github.com/libp2p/go-libp2p/core/network" "github.com/libp2p/go-libp2p/core/peer" "github.com/libp2p/go-libp2p/core/protocol" "github.com/libp2p/go-libp2p/p2p/net/swarm" "github.com/libp2p/go-libp2p-testing/race" "github.com/golang/mock/gomock" ma "github.com/multiformats/go-multiaddr" "github.com/stretchr/testify/require" ) //go:generate go run github.com/golang/mock/mockgen -package transport_integration -destination mock_connection_gater_test.go github.com/libp2p/go-libp2p/core/connmgr ConnectionGater func stripCertHash(addr ma.Multiaddr) ma.Multiaddr { for { if _, err := addr.ValueForProtocol(ma.P_CERTHASH); err != nil { break } addr, _ = ma.SplitLast(addr) } return addr } func TestInterceptPeerDial(t *testing.T) { if race.WithRace() { t.Skip("The upgrader spawns a new Go routine, which leads to race conditions when using GoMock.") } for _, tc := range transportsToTest { t.Run(tc.Name, func(t *testing.T) { ctrl := gomock.NewController(t) defer ctrl.Finish() connGater := NewMockConnectionGater(ctrl) h1 := tc.HostGenerator(t, TransportTestCaseOpts{NoListen: true, ConnGater: connGater}) h2 := tc.HostGenerator(t, TransportTestCaseOpts{}) require.Len(t, h2.Addrs(), 1) ctx, cancel := context.WithTimeout(context.Background(), time.Second) defer cancel() connGater.EXPECT().InterceptPeerDial(h2.ID()) require.ErrorIs(t, h1.Connect(ctx, peer.AddrInfo{ID: h2.ID(), Addrs: h2.Addrs()}), swarm.ErrGaterDisallowedConnection) }) } } func TestInterceptAddrDial(t *testing.T) { if race.WithRace() { t.Skip("The upgrader spawns a new Go routine, which leads to race conditions when using GoMock.") } for _, tc := range transportsToTest { t.Run(tc.Name, func(t *testing.T) { ctrl := gomock.NewController(t) defer ctrl.Finish() connGater := NewMockConnectionGater(ctrl) h1 := tc.HostGenerator(t, TransportTestCaseOpts{NoListen: true, ConnGater: connGater}) h2 := tc.HostGenerator(t, TransportTestCaseOpts{}) require.Len(t, h2.Addrs(), 1) ctx, cancel := context.WithTimeout(context.Background(), time.Second) defer cancel() gomock.InOrder( connGater.EXPECT().InterceptPeerDial(h2.ID()).Return(true), connGater.EXPECT().InterceptAddrDial(h2.ID(), h2.Addrs()[0]), ) require.ErrorIs(t, h1.Connect(ctx, peer.AddrInfo{ID: h2.ID(), Addrs: h2.Addrs()}), swarm.ErrNoGoodAddresses) }) } } func TestInterceptSecuredOutgoing(t *testing.T) { if race.WithRace() { t.Skip("The upgrader spawns a new Go routine, which leads to race conditions when using GoMock.") } for _, tc := range transportsToTest { t.Run(tc.Name, func(t *testing.T) { ctrl := gomock.NewController(t) defer ctrl.Finish() connGater := NewMockConnectionGater(ctrl) h1 := tc.HostGenerator(t, TransportTestCaseOpts{NoListen: true, ConnGater: connGater}) h2 := tc.HostGenerator(t, TransportTestCaseOpts{}) require.Len(t, h2.Addrs(), 1) require.Len(t, h2.Addrs(), 1) ctx, cancel := context.WithTimeout(context.Background(), time.Second) defer cancel() gomock.InOrder( connGater.EXPECT().InterceptPeerDial(h2.ID()).Return(true), connGater.EXPECT().InterceptAddrDial(h2.ID(), gomock.Any()).Return(true), connGater.EXPECT().InterceptSecured(network.DirOutbound, h2.ID(), gomock.Any()).Do(func(_ network.Direction, _ peer.ID, addrs network.ConnMultiaddrs) { // remove the certhash component from WebTransport addresses require.Equal(t, stripCertHash(h2.Addrs()[0]).String(), addrs.RemoteMultiaddr().String()) }), ) err := h1.Connect(ctx, peer.AddrInfo{ID: h2.ID(), Addrs: h2.Addrs()}) require.Error(t, err) require.NotErrorIs(t, err, context.DeadlineExceeded) }) } } func TestInterceptUpgradedOutgoing(t *testing.T) { if race.WithRace() { t.Skip("The upgrader spawns a new Go routine, which leads to race conditions when using GoMock.") } for _, tc := range transportsToTest { t.Run(tc.Name, func(t *testing.T) { ctrl := gomock.NewController(t) defer ctrl.Finish() connGater := NewMockConnectionGater(ctrl) h1 := tc.HostGenerator(t, TransportTestCaseOpts{NoListen: true, ConnGater: connGater}) h2 := tc.HostGenerator(t, TransportTestCaseOpts{}) require.Len(t, h2.Addrs(), 1) require.Len(t, h2.Addrs(), 1) ctx, cancel := context.WithTimeout(context.Background(), time.Second) defer cancel() gomock.InOrder( connGater.EXPECT().InterceptPeerDial(h2.ID()).Return(true), connGater.EXPECT().InterceptAddrDial(h2.ID(), gomock.Any()).Return(true), connGater.EXPECT().InterceptSecured(network.DirOutbound, h2.ID(), gomock.Any()).Return(true), connGater.EXPECT().InterceptUpgraded(gomock.Any()).Do(func(c network.Conn) { // remove the certhash component from WebTransport addresses require.Equal(t, stripCertHash(h2.Addrs()[0]), c.RemoteMultiaddr()) require.Equal(t, h1.ID(), c.LocalPeer()) require.Equal(t, h2.ID(), c.RemotePeer()) })) err := h1.Connect(ctx, peer.AddrInfo{ID: h2.ID(), Addrs: h2.Addrs()}) require.Error(t, err) require.NotErrorIs(t, err, context.DeadlineExceeded) }) } } func TestInterceptAccept(t *testing.T) { if race.WithRace() { t.Skip("The upgrader spawns a new Go routine, which leads to race conditions when using GoMock.") } for _, tc := range transportsToTest { t.Run(tc.Name, func(t *testing.T) { ctrl := gomock.NewController(t) defer ctrl.Finish() connGater := NewMockConnectionGater(ctrl) h1 := tc.HostGenerator(t, TransportTestCaseOpts{NoListen: true}) h2 := tc.HostGenerator(t, TransportTestCaseOpts{ConnGater: connGater}) require.Len(t, h2.Addrs(), 1) ctx, cancel := context.WithTimeout(context.Background(), time.Second) defer cancel() // The basic host dials the first connection. connGater.EXPECT().InterceptAccept(gomock.Any()).Do(func(addrs network.ConnMultiaddrs) { // remove the certhash component from WebTransport addresses require.Equal(t, stripCertHash(h2.Addrs()[0]), addrs.LocalMultiaddr()) }) h1.Peerstore().AddAddrs(h2.ID(), h2.Addrs(), time.Hour) _, err := h1.NewStream(ctx, h2.ID(), protocol.TestingID) require.Error(t, err) require.NotErrorIs(t, err, context.DeadlineExceeded) }) } } func TestInterceptSecuredIncoming(t *testing.T) { if race.WithRace() { t.Skip("The upgrader spawns a new Go routine, which leads to race conditions when using GoMock.") } for _, tc := range transportsToTest { t.Run(tc.Name, func(t *testing.T) { ctrl := gomock.NewController(t) defer ctrl.Finish() connGater := NewMockConnectionGater(ctrl) h1 := tc.HostGenerator(t, TransportTestCaseOpts{NoListen: true}) h2 := tc.HostGenerator(t, TransportTestCaseOpts{ConnGater: connGater}) require.Len(t, h2.Addrs(), 1) ctx, cancel := context.WithTimeout(context.Background(), time.Second) defer cancel() gomock.InOrder( connGater.EXPECT().InterceptAccept(gomock.Any()).Return(true), connGater.EXPECT().InterceptSecured(network.DirInbound, h1.ID(), gomock.Any()).Do(func(_ network.Direction, _ peer.ID, addrs network.ConnMultiaddrs) { // remove the certhash component from WebTransport addresses require.Equal(t, stripCertHash(h2.Addrs()[0]), addrs.LocalMultiaddr()) }), ) h1.Peerstore().AddAddrs(h2.ID(), h2.Addrs(), time.Hour) _, err := h1.NewStream(ctx, h2.ID(), protocol.TestingID) require.Error(t, err) require.NotErrorIs(t, err, context.DeadlineExceeded) }) } } func TestInterceptUpgradedIncoming(t *testing.T) { if race.WithRace() { t.Skip("The upgrader spawns a new Go routine, which leads to race conditions when using GoMock.") } for _, tc := range transportsToTest { t.Run(tc.Name, func(t *testing.T) { ctrl := gomock.NewController(t) defer ctrl.Finish() connGater := NewMockConnectionGater(ctrl) h1 := tc.HostGenerator(t, TransportTestCaseOpts{NoListen: true}) h2 := tc.HostGenerator(t, TransportTestCaseOpts{ConnGater: connGater}) require.Len(t, h2.Addrs(), 1) ctx, cancel := context.WithTimeout(context.Background(), time.Second) defer cancel() gomock.InOrder( connGater.EXPECT().InterceptAccept(gomock.Any()).Return(true), connGater.EXPECT().InterceptSecured(network.DirInbound, h1.ID(), gomock.Any()).Return(true), connGater.EXPECT().InterceptUpgraded(gomock.Any()).Do(func(c network.Conn) { // remove the certhash component from WebTransport addresses require.Equal(t, stripCertHash(h2.Addrs()[0]), c.LocalMultiaddr()) require.Equal(t, h1.ID(), c.RemotePeer()) require.Equal(t, h2.ID(), c.LocalPeer()) }), ) h1.Peerstore().AddAddrs(h2.ID(), h2.Addrs(), time.Hour) _, err := h1.NewStream(ctx, h2.ID(), protocol.TestingID) require.Error(t, err) require.NotErrorIs(t, err, context.DeadlineExceeded) }) } }