mirror of
https://github.com/1f349/dendrite.git
synced 2024-11-13 23:31:34 +00:00
265 lines
7.0 KiB
Go
265 lines
7.0 KiB
Go
// Copyright 2020 The Matrix.org Foundation C.I.C.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package yggconn
|
|
|
|
import (
|
|
"context"
|
|
"crypto/ed25519"
|
|
"crypto/tls"
|
|
"encoding/hex"
|
|
"encoding/json"
|
|
"fmt"
|
|
"io/ioutil"
|
|
"log"
|
|
"net"
|
|
"os"
|
|
"strings"
|
|
"sync"
|
|
"time"
|
|
|
|
"github.com/lucas-clemente/quic-go"
|
|
"github.com/matrix-org/dendrite/cmd/dendrite-demo-yggdrasil/convert"
|
|
"github.com/matrix-org/gomatrixserverlib"
|
|
|
|
yggdrasiladmin "github.com/yggdrasil-network/yggdrasil-go/src/admin"
|
|
yggdrasilconfig "github.com/yggdrasil-network/yggdrasil-go/src/config"
|
|
yggdrasilmulticast "github.com/yggdrasil-network/yggdrasil-go/src/multicast"
|
|
"github.com/yggdrasil-network/yggdrasil-go/src/yggdrasil"
|
|
|
|
gologme "github.com/gologme/log"
|
|
)
|
|
|
|
type Node struct {
|
|
core *yggdrasil.Core
|
|
config *yggdrasilconfig.NodeConfig
|
|
state *yggdrasilconfig.NodeState
|
|
admin *yggdrasiladmin.AdminSocket
|
|
multicast *yggdrasilmulticast.Multicast
|
|
log *gologme.Logger
|
|
packetConn *yggdrasil.PacketConn
|
|
listener quic.Listener
|
|
tlsConfig *tls.Config
|
|
quicConfig *quic.Config
|
|
sessions sync.Map // string -> quic.Session
|
|
incoming chan QUICStream
|
|
}
|
|
|
|
func (n *Node) BuildName() string {
|
|
return "dendrite"
|
|
}
|
|
|
|
func (n *Node) BuildVersion() string {
|
|
return "dev"
|
|
}
|
|
|
|
func (n *Node) Dialer(_, address string) (net.Conn, error) {
|
|
tokens := strings.Split(address, ":")
|
|
raw, err := hex.DecodeString(tokens[0])
|
|
if err != nil {
|
|
return nil, fmt.Errorf("hex.DecodeString: %w", err)
|
|
}
|
|
converted := convert.Ed25519PublicKeyToCurve25519(ed25519.PublicKey(raw))
|
|
convhex := hex.EncodeToString(converted)
|
|
return n.Dial("curve25519", convhex)
|
|
}
|
|
|
|
func (n *Node) DialerContext(ctx context.Context, network, address string) (net.Conn, error) {
|
|
return n.Dialer(network, address)
|
|
}
|
|
|
|
// nolint:gocyclo
|
|
func Setup(instanceName, storageDirectory string) (*Node, error) {
|
|
n := &Node{
|
|
core: &yggdrasil.Core{},
|
|
config: yggdrasilconfig.GenerateConfig(),
|
|
admin: &yggdrasiladmin.AdminSocket{},
|
|
multicast: &yggdrasilmulticast.Multicast{},
|
|
log: gologme.New(os.Stdout, "YGG ", log.Flags()),
|
|
incoming: make(chan QUICStream),
|
|
}
|
|
n.core.SetBuildInfo(n)
|
|
|
|
yggfile := fmt.Sprintf("%s/%s-yggdrasil.conf", storageDirectory, instanceName)
|
|
if _, err := os.Stat(yggfile); !os.IsNotExist(err) {
|
|
yggconf, e := ioutil.ReadFile(yggfile)
|
|
if e != nil {
|
|
panic(err)
|
|
}
|
|
if err := json.Unmarshal([]byte(yggconf), &n.config); err != nil {
|
|
panic(err)
|
|
}
|
|
}
|
|
|
|
n.config.Peers = []string{}
|
|
n.config.AdminListen = "none"
|
|
n.config.MulticastInterfaces = []string{}
|
|
n.config.EncryptionPrivateKey = hex.EncodeToString(n.EncryptionPrivateKey())
|
|
n.config.EncryptionPublicKey = hex.EncodeToString(n.EncryptionPublicKey())
|
|
|
|
j, err := json.MarshalIndent(n.config, "", " ")
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
if e := ioutil.WriteFile(yggfile, j, 0600); e != nil {
|
|
n.log.Printf("Couldn't write private key to file '%s': %s\n", yggfile, e)
|
|
}
|
|
|
|
n.log.EnableLevel("error")
|
|
n.log.EnableLevel("warn")
|
|
n.log.EnableLevel("info")
|
|
n.state, err = n.core.Start(n.config, n.log)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
if err = n.multicast.Init(n.core, n.state, n.log, nil); err != nil {
|
|
panic(err)
|
|
}
|
|
if err = n.multicast.Start(); err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
n.packetConn = n.core.PacketConn()
|
|
n.tlsConfig = n.generateTLSConfig()
|
|
n.quicConfig = &quic.Config{
|
|
MaxIncomingStreams: 0,
|
|
MaxIncomingUniStreams: 0,
|
|
KeepAlive: true,
|
|
MaxIdleTimeout: time.Second * 900,
|
|
HandshakeTimeout: time.Second * 30,
|
|
}
|
|
|
|
n.log.Println("Public curve25519:", n.core.EncryptionPublicKey())
|
|
n.log.Println("Public ed25519:", n.core.SigningPublicKey())
|
|
|
|
go n.listenFromYgg()
|
|
|
|
return n, nil
|
|
}
|
|
|
|
func (n *Node) Stop() {
|
|
if err := n.multicast.Stop(); err != nil {
|
|
n.log.Println("Error stopping multicast:", err)
|
|
}
|
|
n.core.Stop()
|
|
}
|
|
|
|
func (n *Node) DerivedServerName() string {
|
|
return hex.EncodeToString(n.SigningPublicKey())
|
|
}
|
|
|
|
func (n *Node) DerivedSessionName() string {
|
|
return hex.EncodeToString(n.EncryptionPublicKey())
|
|
}
|
|
|
|
func (n *Node) EncryptionPublicKey() []byte {
|
|
edkey := n.SigningPublicKey()
|
|
return convert.Ed25519PublicKeyToCurve25519(edkey)
|
|
}
|
|
|
|
func (n *Node) EncryptionPrivateKey() []byte {
|
|
edkey := n.SigningPrivateKey()
|
|
return convert.Ed25519PrivateKeyToCurve25519(edkey)
|
|
}
|
|
|
|
func (n *Node) SigningPublicKey() ed25519.PublicKey {
|
|
pubBytes, _ := hex.DecodeString(n.config.SigningPublicKey)
|
|
return ed25519.PublicKey(pubBytes)
|
|
}
|
|
|
|
func (n *Node) SigningPrivateKey() ed25519.PrivateKey {
|
|
privBytes, _ := hex.DecodeString(n.config.SigningPrivateKey)
|
|
return ed25519.PrivateKey(privBytes)
|
|
}
|
|
|
|
func (n *Node) PeerCount() int {
|
|
return len(n.core.GetPeers()) - 1
|
|
}
|
|
|
|
func (n *Node) KnownNodes() []gomatrixserverlib.ServerName {
|
|
nodemap := map[string]struct{}{}
|
|
for _, peer := range n.core.GetSwitchPeers() {
|
|
nodemap[hex.EncodeToString(peer.SigningKey[:])] = struct{}{}
|
|
}
|
|
n.sessions.Range(func(_, v interface{}) bool {
|
|
session, ok := v.(quic.Session)
|
|
if !ok {
|
|
return true
|
|
}
|
|
if len(session.ConnectionState().PeerCertificates) != 1 {
|
|
return true
|
|
}
|
|
subjectName := session.ConnectionState().PeerCertificates[0].Subject.CommonName
|
|
nodemap[subjectName] = struct{}{}
|
|
return true
|
|
})
|
|
var nodes []gomatrixserverlib.ServerName
|
|
for node := range nodemap {
|
|
nodes = append(nodes, gomatrixserverlib.ServerName(node))
|
|
}
|
|
return nodes
|
|
}
|
|
|
|
func (n *Node) SetMulticastEnabled(enabled bool) {
|
|
if enabled {
|
|
n.config.MulticastInterfaces = []string{".*"}
|
|
} else {
|
|
n.config.MulticastInterfaces = []string{}
|
|
}
|
|
n.multicast.UpdateConfig(n.config)
|
|
if !enabled {
|
|
n.DisconnectMulticastPeers()
|
|
}
|
|
}
|
|
|
|
func (n *Node) DisconnectMulticastPeers() {
|
|
for _, sp := range n.core.GetSwitchPeers() {
|
|
if !strings.HasPrefix(sp.Endpoint, "fe80") {
|
|
continue
|
|
}
|
|
if err := n.core.DisconnectPeer(sp.Port); err != nil {
|
|
n.log.Printf("Failed to disconnect port %d: %s", sp.Port, err)
|
|
}
|
|
}
|
|
}
|
|
|
|
func (n *Node) DisconnectNonMulticastPeers() {
|
|
for _, sp := range n.core.GetSwitchPeers() {
|
|
if strings.HasPrefix(sp.Endpoint, "fe80") {
|
|
continue
|
|
}
|
|
if err := n.core.DisconnectPeer(sp.Port); err != nil {
|
|
n.log.Printf("Failed to disconnect port %d: %s", sp.Port, err)
|
|
}
|
|
}
|
|
}
|
|
|
|
func (n *Node) SetStaticPeer(uri string) error {
|
|
n.config.Peers = []string{}
|
|
n.core.UpdateConfig(n.config)
|
|
n.DisconnectNonMulticastPeers()
|
|
if uri != "" {
|
|
n.log.Infoln("Adding static peer", uri)
|
|
if err := n.core.AddPeer(uri, ""); err != nil {
|
|
n.log.Warnln("Adding static peer failed:", err)
|
|
return err
|
|
}
|
|
if err := n.core.CallPeer(uri, ""); err != nil {
|
|
n.log.Warnln("Calling static peer failed:", err)
|
|
return err
|
|
}
|
|
}
|
|
return nil
|
|
}
|