5b73592f5a
This adds store & forward relays into dendrite for p2p. A few things have changed: - new relay api serves new http endpoints for s&f federation - updated outbound federation queueing which will attempt to forward using s&f if appropriate - database entries to track s&f relays for other nodes
648 lines
22 KiB
Go
648 lines
22 KiB
Go
// Copyright 2022 The Matrix.org Foundation C.I.C.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package gobind
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import (
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"context"
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"crypto/ed25519"
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"crypto/rand"
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"crypto/tls"
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"encoding/hex"
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"fmt"
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"io"
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"net"
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"net/http"
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"os"
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"path/filepath"
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"strings"
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"sync"
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"time"
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"go.uber.org/atomic"
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"github.com/gorilla/mux"
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"github.com/matrix-org/dendrite/appservice"
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"github.com/matrix-org/dendrite/clientapi/userutil"
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"github.com/matrix-org/dendrite/cmd/dendrite-demo-pinecone/conn"
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"github.com/matrix-org/dendrite/cmd/dendrite-demo-pinecone/rooms"
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"github.com/matrix-org/dendrite/cmd/dendrite-demo-pinecone/users"
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"github.com/matrix-org/dendrite/cmd/dendrite-demo-yggdrasil/signing"
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"github.com/matrix-org/dendrite/federationapi"
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"github.com/matrix-org/dendrite/federationapi/api"
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"github.com/matrix-org/dendrite/federationapi/producers"
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"github.com/matrix-org/dendrite/internal/httputil"
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"github.com/matrix-org/dendrite/keyserver"
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"github.com/matrix-org/dendrite/relayapi"
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relayServerAPI "github.com/matrix-org/dendrite/relayapi/api"
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"github.com/matrix-org/dendrite/roomserver"
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"github.com/matrix-org/dendrite/setup"
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"github.com/matrix-org/dendrite/setup/base"
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"github.com/matrix-org/dendrite/setup/config"
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"github.com/matrix-org/dendrite/setup/jetstream"
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"github.com/matrix-org/dendrite/test"
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"github.com/matrix-org/dendrite/userapi"
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userapiAPI "github.com/matrix-org/dendrite/userapi/api"
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"github.com/matrix-org/gomatrixserverlib"
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"github.com/sirupsen/logrus"
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"golang.org/x/net/http2"
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"golang.org/x/net/http2/h2c"
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pineconeConnections "github.com/matrix-org/pinecone/connections"
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pineconeMulticast "github.com/matrix-org/pinecone/multicast"
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pineconeRouter "github.com/matrix-org/pinecone/router"
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pineconeEvents "github.com/matrix-org/pinecone/router/events"
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pineconeSessions "github.com/matrix-org/pinecone/sessions"
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"github.com/matrix-org/pinecone/types"
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_ "golang.org/x/mobile/bind"
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)
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const (
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PeerTypeRemote = pineconeRouter.PeerTypeRemote
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PeerTypeMulticast = pineconeRouter.PeerTypeMulticast
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PeerTypeBluetooth = pineconeRouter.PeerTypeBluetooth
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PeerTypeBonjour = pineconeRouter.PeerTypeBonjour
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relayServerRetryInterval = time.Second * 30
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)
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type DendriteMonolith struct {
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logger logrus.Logger
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baseDendrite *base.BaseDendrite
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PineconeRouter *pineconeRouter.Router
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PineconeMulticast *pineconeMulticast.Multicast
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PineconeQUIC *pineconeSessions.Sessions
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PineconeManager *pineconeConnections.ConnectionManager
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StorageDirectory string
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CacheDirectory string
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listener net.Listener
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httpServer *http.Server
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userAPI userapiAPI.UserInternalAPI
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federationAPI api.FederationInternalAPI
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relayServersQueried map[gomatrixserverlib.ServerName]bool
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}
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func (m *DendriteMonolith) PublicKey() string {
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return m.PineconeRouter.PublicKey().String()
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}
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func (m *DendriteMonolith) BaseURL() string {
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return fmt.Sprintf("http://%s", m.listener.Addr().String())
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}
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func (m *DendriteMonolith) PeerCount(peertype int) int {
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return m.PineconeRouter.PeerCount(peertype)
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}
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func (m *DendriteMonolith) SessionCount() int {
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return len(m.PineconeQUIC.Protocol("matrix").Sessions())
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}
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type InterfaceInfo struct {
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Name string
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Index int
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Mtu int
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Up bool
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Broadcast bool
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Loopback bool
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PointToPoint bool
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Multicast bool
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Addrs string
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}
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type InterfaceRetriever interface {
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CacheCurrentInterfaces() int
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GetCachedInterface(index int) *InterfaceInfo
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}
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func (m *DendriteMonolith) RegisterNetworkCallback(intfCallback InterfaceRetriever) {
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callback := func() []pineconeMulticast.InterfaceInfo {
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count := intfCallback.CacheCurrentInterfaces()
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intfs := []pineconeMulticast.InterfaceInfo{}
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for i := 0; i < count; i++ {
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iface := intfCallback.GetCachedInterface(i)
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if iface != nil {
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intfs = append(intfs, pineconeMulticast.InterfaceInfo{
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Name: iface.Name,
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Index: iface.Index,
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Mtu: iface.Mtu,
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Up: iface.Up,
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Broadcast: iface.Broadcast,
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Loopback: iface.Loopback,
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PointToPoint: iface.PointToPoint,
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Multicast: iface.Multicast,
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Addrs: iface.Addrs,
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})
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}
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}
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return intfs
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}
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m.PineconeMulticast.RegisterNetworkCallback(callback)
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}
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func (m *DendriteMonolith) SetMulticastEnabled(enabled bool) {
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if enabled {
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m.PineconeMulticast.Start()
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} else {
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m.PineconeMulticast.Stop()
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m.DisconnectType(int(pineconeRouter.PeerTypeMulticast))
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}
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}
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func (m *DendriteMonolith) SetStaticPeer(uri string) {
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m.PineconeManager.RemovePeers()
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for _, uri := range strings.Split(uri, ",") {
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m.PineconeManager.AddPeer(strings.TrimSpace(uri))
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}
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}
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func (m *DendriteMonolith) DisconnectType(peertype int) {
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for _, p := range m.PineconeRouter.Peers() {
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if int(peertype) == p.PeerType {
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m.PineconeRouter.Disconnect(types.SwitchPortID(p.Port), nil)
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}
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}
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}
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func (m *DendriteMonolith) DisconnectZone(zone string) {
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for _, p := range m.PineconeRouter.Peers() {
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if zone == p.Zone {
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m.PineconeRouter.Disconnect(types.SwitchPortID(p.Port), nil)
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}
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}
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}
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func (m *DendriteMonolith) DisconnectPort(port int) {
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m.PineconeRouter.Disconnect(types.SwitchPortID(port), nil)
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}
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func (m *DendriteMonolith) Conduit(zone string, peertype int) (*Conduit, error) {
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l, r := net.Pipe()
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conduit := &Conduit{conn: r, port: 0}
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go func() {
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conduit.portMutex.Lock()
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defer conduit.portMutex.Unlock()
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logrus.Errorf("Attempting authenticated connect")
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var err error
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if conduit.port, err = m.PineconeRouter.Connect(
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l,
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pineconeRouter.ConnectionZone(zone),
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pineconeRouter.ConnectionPeerType(peertype),
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); err != nil {
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logrus.Errorf("Authenticated connect failed: %s", err)
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_ = l.Close()
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_ = r.Close()
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_ = conduit.Close()
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return
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}
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logrus.Infof("Authenticated connect succeeded (port %d)", conduit.port)
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}()
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return conduit, nil
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}
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func (m *DendriteMonolith) RegisterUser(localpart, password string) (string, error) {
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pubkey := m.PineconeRouter.PublicKey()
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userID := userutil.MakeUserID(
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localpart,
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gomatrixserverlib.ServerName(hex.EncodeToString(pubkey[:])),
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)
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userReq := &userapiAPI.PerformAccountCreationRequest{
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AccountType: userapiAPI.AccountTypeUser,
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Localpart: localpart,
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Password: password,
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}
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userRes := &userapiAPI.PerformAccountCreationResponse{}
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if err := m.userAPI.PerformAccountCreation(context.Background(), userReq, userRes); err != nil {
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return userID, fmt.Errorf("userAPI.PerformAccountCreation: %w", err)
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}
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return userID, nil
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}
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func (m *DendriteMonolith) RegisterDevice(localpart, deviceID string) (string, error) {
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accessTokenBytes := make([]byte, 16)
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n, err := rand.Read(accessTokenBytes)
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if err != nil {
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return "", fmt.Errorf("rand.Read: %w", err)
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}
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loginReq := &userapiAPI.PerformDeviceCreationRequest{
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Localpart: localpart,
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DeviceID: &deviceID,
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AccessToken: hex.EncodeToString(accessTokenBytes[:n]),
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}
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loginRes := &userapiAPI.PerformDeviceCreationResponse{}
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if err := m.userAPI.PerformDeviceCreation(context.Background(), loginReq, loginRes); err != nil {
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return "", fmt.Errorf("userAPI.PerformDeviceCreation: %w", err)
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}
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if !loginRes.DeviceCreated {
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return "", fmt.Errorf("device was not created")
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}
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return loginRes.Device.AccessToken, nil
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}
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// nolint:gocyclo
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func (m *DendriteMonolith) Start() {
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var sk ed25519.PrivateKey
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var pk ed25519.PublicKey
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keyfile := filepath.Join(m.StorageDirectory, "p2p.pem")
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if _, err := os.Stat(keyfile); os.IsNotExist(err) {
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oldkeyfile := filepath.Join(m.StorageDirectory, "p2p.key")
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if _, err = os.Stat(oldkeyfile); os.IsNotExist(err) {
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if err = test.NewMatrixKey(keyfile); err != nil {
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panic("failed to generate a new PEM key: " + err.Error())
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}
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if _, sk, err = config.LoadMatrixKey(keyfile, os.ReadFile); err != nil {
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panic("failed to load PEM key: " + err.Error())
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}
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if len(sk) != ed25519.PrivateKeySize {
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panic("the private key is not long enough")
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}
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} else {
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if sk, err = os.ReadFile(oldkeyfile); err != nil {
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panic("failed to read the old private key: " + err.Error())
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}
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if len(sk) != ed25519.PrivateKeySize {
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panic("the private key is not long enough")
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}
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if err = test.SaveMatrixKey(keyfile, sk); err != nil {
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panic("failed to convert the private key to PEM format: " + err.Error())
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}
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}
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} else {
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if _, sk, err = config.LoadMatrixKey(keyfile, os.ReadFile); err != nil {
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panic("failed to load PEM key: " + err.Error())
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}
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if len(sk) != ed25519.PrivateKeySize {
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panic("the private key is not long enough")
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}
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}
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pk = sk.Public().(ed25519.PublicKey)
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var err error
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m.listener, err = net.Listen("tcp", "localhost:65432")
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if err != nil {
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panic(err)
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}
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m.logger = logrus.Logger{
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Out: BindLogger{},
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}
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m.logger.SetOutput(BindLogger{})
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logrus.SetOutput(BindLogger{})
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pineconeEventChannel := make(chan pineconeEvents.Event)
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m.PineconeRouter = pineconeRouter.NewRouter(logrus.WithField("pinecone", "router"), sk)
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m.PineconeRouter.EnableHopLimiting()
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m.PineconeRouter.EnableWakeupBroadcasts()
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m.PineconeRouter.Subscribe(pineconeEventChannel)
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m.PineconeQUIC = pineconeSessions.NewSessions(logrus.WithField("pinecone", "sessions"), m.PineconeRouter, []string{"matrix"})
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m.PineconeMulticast = pineconeMulticast.NewMulticast(logrus.WithField("pinecone", "multicast"), m.PineconeRouter)
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m.PineconeManager = pineconeConnections.NewConnectionManager(m.PineconeRouter, nil)
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prefix := hex.EncodeToString(pk)
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cfg := &config.Dendrite{}
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cfg.Defaults(config.DefaultOpts{
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Generate: true,
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Monolithic: true,
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})
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cfg.Global.ServerName = gomatrixserverlib.ServerName(hex.EncodeToString(pk))
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cfg.Global.PrivateKey = sk
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cfg.Global.KeyID = gomatrixserverlib.KeyID(signing.KeyID)
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cfg.Global.JetStream.InMemory = false
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cfg.Global.JetStream.StoragePath = config.Path(filepath.Join(m.CacheDirectory, prefix))
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cfg.UserAPI.AccountDatabase.ConnectionString = config.DataSource(fmt.Sprintf("file:%s-account.db", filepath.Join(m.StorageDirectory, prefix)))
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cfg.MediaAPI.Database.ConnectionString = config.DataSource(fmt.Sprintf("file:%s-mediaapi.db", filepath.Join(m.StorageDirectory, prefix)))
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cfg.SyncAPI.Database.ConnectionString = config.DataSource(fmt.Sprintf("file:%s-syncapi.db", filepath.Join(m.StorageDirectory, prefix)))
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cfg.RoomServer.Database.ConnectionString = config.DataSource(fmt.Sprintf("file:%s-roomserver.db", filepath.Join(m.StorageDirectory, prefix)))
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cfg.KeyServer.Database.ConnectionString = config.DataSource(fmt.Sprintf("file:%s-keyserver.db", filepath.Join(m.StorageDirectory, prefix)))
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cfg.FederationAPI.Database.ConnectionString = config.DataSource(fmt.Sprintf("file:%s-federationsender.db", filepath.Join(m.StorageDirectory, prefix)))
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cfg.MediaAPI.BasePath = config.Path(filepath.Join(m.CacheDirectory, "media"))
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cfg.MediaAPI.AbsBasePath = config.Path(filepath.Join(m.CacheDirectory, "media"))
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cfg.RelayAPI.Database.ConnectionString = config.DataSource(fmt.Sprintf("file:%s-relayapi.db", filepath.Join(m.StorageDirectory, prefix)))
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cfg.MSCs.MSCs = []string{"msc2836", "msc2946"}
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cfg.ClientAPI.RegistrationDisabled = false
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cfg.ClientAPI.OpenRegistrationWithoutVerificationEnabled = true
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cfg.SyncAPI.Fulltext.Enabled = true
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cfg.SyncAPI.Fulltext.IndexPath = config.Path(filepath.Join(m.CacheDirectory, "search"))
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if err = cfg.Derive(); err != nil {
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panic(err)
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}
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base := base.NewBaseDendrite(cfg, "Monolith", base.DisableMetrics)
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m.baseDendrite = base
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base.ConfigureAdminEndpoints()
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federation := conn.CreateFederationClient(base, m.PineconeQUIC)
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serverKeyAPI := &signing.YggdrasilKeys{}
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keyRing := serverKeyAPI.KeyRing()
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rsAPI := roomserver.NewInternalAPI(base)
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m.federationAPI = federationapi.NewInternalAPI(
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base, federation, rsAPI, base.Caches, keyRing, true,
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)
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keyAPI := keyserver.NewInternalAPI(base, &base.Cfg.KeyServer, m.federationAPI, rsAPI)
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m.userAPI = userapi.NewInternalAPI(base, &cfg.UserAPI, cfg.Derived.ApplicationServices, keyAPI, rsAPI, base.PushGatewayHTTPClient())
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keyAPI.SetUserAPI(m.userAPI)
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asAPI := appservice.NewInternalAPI(base, m.userAPI, rsAPI)
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// The underlying roomserver implementation needs to be able to call the fedsender.
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// This is different to rsAPI which can be the http client which doesn't need this dependency
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rsAPI.SetFederationAPI(m.federationAPI, keyRing)
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userProvider := users.NewPineconeUserProvider(m.PineconeRouter, m.PineconeQUIC, m.userAPI, federation)
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roomProvider := rooms.NewPineconeRoomProvider(m.PineconeRouter, m.PineconeQUIC, m.federationAPI, federation)
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js, _ := base.NATS.Prepare(base.ProcessContext, &base.Cfg.Global.JetStream)
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producer := &producers.SyncAPIProducer{
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JetStream: js,
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TopicReceiptEvent: base.Cfg.Global.JetStream.Prefixed(jetstream.OutputReceiptEvent),
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TopicSendToDeviceEvent: base.Cfg.Global.JetStream.Prefixed(jetstream.OutputSendToDeviceEvent),
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TopicTypingEvent: base.Cfg.Global.JetStream.Prefixed(jetstream.OutputTypingEvent),
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TopicPresenceEvent: base.Cfg.Global.JetStream.Prefixed(jetstream.OutputPresenceEvent),
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TopicDeviceListUpdate: base.Cfg.Global.JetStream.Prefixed(jetstream.InputDeviceListUpdate),
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TopicSigningKeyUpdate: base.Cfg.Global.JetStream.Prefixed(jetstream.InputSigningKeyUpdate),
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Config: &base.Cfg.FederationAPI,
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UserAPI: m.userAPI,
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}
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relayAPI := relayapi.NewRelayInternalAPI(base, federation, rsAPI, keyRing, producer)
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monolith := setup.Monolith{
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Config: base.Cfg,
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Client: conn.CreateClient(base, m.PineconeQUIC),
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FedClient: federation,
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KeyRing: keyRing,
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AppserviceAPI: asAPI,
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FederationAPI: m.federationAPI,
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RoomserverAPI: rsAPI,
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UserAPI: m.userAPI,
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KeyAPI: keyAPI,
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RelayAPI: relayAPI,
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ExtPublicRoomsProvider: roomProvider,
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ExtUserDirectoryProvider: userProvider,
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}
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monolith.AddAllPublicRoutes(base)
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httpRouter := mux.NewRouter().SkipClean(true).UseEncodedPath()
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httpRouter.PathPrefix(httputil.InternalPathPrefix).Handler(base.InternalAPIMux)
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httpRouter.PathPrefix(httputil.PublicClientPathPrefix).Handler(base.PublicClientAPIMux)
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httpRouter.PathPrefix(httputil.PublicMediaPathPrefix).Handler(base.PublicMediaAPIMux)
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httpRouter.PathPrefix(httputil.DendriteAdminPathPrefix).Handler(base.DendriteAdminMux)
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httpRouter.PathPrefix(httputil.SynapseAdminPathPrefix).Handler(base.SynapseAdminMux)
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httpRouter.HandleFunc("/pinecone", m.PineconeRouter.ManholeHandler)
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pMux := mux.NewRouter().SkipClean(true).UseEncodedPath()
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pMux.PathPrefix(users.PublicURL).HandlerFunc(userProvider.FederatedUserProfiles)
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pMux.PathPrefix(httputil.PublicFederationPathPrefix).Handler(base.PublicFederationAPIMux)
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pMux.PathPrefix(httputil.PublicMediaPathPrefix).Handler(base.PublicMediaAPIMux)
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pHTTP := m.PineconeQUIC.Protocol("matrix").HTTP()
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pHTTP.Mux().Handle(users.PublicURL, pMux)
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pHTTP.Mux().Handle(httputil.PublicFederationPathPrefix, pMux)
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pHTTP.Mux().Handle(httputil.PublicMediaPathPrefix, pMux)
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// Build both ends of a HTTP multiplex.
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h2s := &http2.Server{}
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m.httpServer = &http.Server{
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Addr: ":0",
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TLSNextProto: map[string]func(*http.Server, *tls.Conn, http.Handler){},
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ReadTimeout: 10 * time.Second,
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WriteTimeout: 10 * time.Second,
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IdleTimeout: 30 * time.Second,
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BaseContext: func(_ net.Listener) context.Context {
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return context.Background()
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},
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Handler: h2c.NewHandler(pMux, h2s),
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}
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go func() {
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|
m.logger.Info("Listening on ", cfg.Global.ServerName)
|
|
|
|
switch m.httpServer.Serve(m.PineconeQUIC.Protocol("matrix")) {
|
|
case net.ErrClosed, http.ErrServerClosed:
|
|
m.logger.Info("Stopped listening on ", cfg.Global.ServerName)
|
|
default:
|
|
m.logger.Error("Stopped listening on ", cfg.Global.ServerName)
|
|
}
|
|
}()
|
|
go func() {
|
|
logrus.Info("Listening on ", m.listener.Addr())
|
|
|
|
switch http.Serve(m.listener, httpRouter) {
|
|
case net.ErrClosed, http.ErrServerClosed:
|
|
m.logger.Info("Stopped listening on ", cfg.Global.ServerName)
|
|
default:
|
|
m.logger.Error("Stopped listening on ", cfg.Global.ServerName)
|
|
}
|
|
}()
|
|
|
|
go func(ch <-chan pineconeEvents.Event) {
|
|
eLog := logrus.WithField("pinecone", "events")
|
|
stopRelayServerSync := make(chan bool)
|
|
|
|
relayRetriever := RelayServerRetriever{
|
|
Context: context.Background(),
|
|
ServerName: gomatrixserverlib.ServerName(m.PineconeRouter.PublicKey().String()),
|
|
FederationAPI: m.federationAPI,
|
|
relayServersQueried: make(map[gomatrixserverlib.ServerName]bool),
|
|
RelayAPI: monolith.RelayAPI,
|
|
running: *atomic.NewBool(false),
|
|
}
|
|
relayRetriever.InitializeRelayServers(eLog)
|
|
|
|
for event := range ch {
|
|
switch e := event.(type) {
|
|
case pineconeEvents.PeerAdded:
|
|
if !relayRetriever.running.Load() {
|
|
go relayRetriever.SyncRelayServers(stopRelayServerSync)
|
|
}
|
|
case pineconeEvents.PeerRemoved:
|
|
if relayRetriever.running.Load() && m.PineconeRouter.TotalPeerCount() == 0 {
|
|
stopRelayServerSync <- true
|
|
}
|
|
case pineconeEvents.BroadcastReceived:
|
|
// eLog.Info("Broadcast received from: ", e.PeerID)
|
|
|
|
req := &api.PerformWakeupServersRequest{
|
|
ServerNames: []gomatrixserverlib.ServerName{gomatrixserverlib.ServerName(e.PeerID)},
|
|
}
|
|
res := &api.PerformWakeupServersResponse{}
|
|
if err := m.federationAPI.PerformWakeupServers(base.Context(), req, res); err != nil {
|
|
eLog.WithError(err).Error("Failed to wakeup destination", e.PeerID)
|
|
}
|
|
default:
|
|
}
|
|
}
|
|
}(pineconeEventChannel)
|
|
}
|
|
|
|
func (m *DendriteMonolith) Stop() {
|
|
m.baseDendrite.Close()
|
|
m.baseDendrite.WaitForShutdown()
|
|
_ = m.listener.Close()
|
|
m.PineconeMulticast.Stop()
|
|
_ = m.PineconeQUIC.Close()
|
|
_ = m.PineconeRouter.Close()
|
|
}
|
|
|
|
type RelayServerRetriever struct {
|
|
Context context.Context
|
|
ServerName gomatrixserverlib.ServerName
|
|
FederationAPI api.FederationInternalAPI
|
|
RelayAPI relayServerAPI.RelayInternalAPI
|
|
relayServersQueried map[gomatrixserverlib.ServerName]bool
|
|
queriedServersMutex sync.Mutex
|
|
running atomic.Bool
|
|
}
|
|
|
|
func (m *RelayServerRetriever) InitializeRelayServers(eLog *logrus.Entry) {
|
|
request := api.P2PQueryRelayServersRequest{Server: gomatrixserverlib.ServerName(m.ServerName)}
|
|
response := api.P2PQueryRelayServersResponse{}
|
|
err := m.FederationAPI.P2PQueryRelayServers(m.Context, &request, &response)
|
|
if err != nil {
|
|
eLog.Warnf("Failed obtaining list of this node's relay servers: %s", err.Error())
|
|
}
|
|
for _, server := range response.RelayServers {
|
|
m.relayServersQueried[server] = false
|
|
}
|
|
|
|
eLog.Infof("Registered relay servers: %v", response.RelayServers)
|
|
}
|
|
|
|
func (m *RelayServerRetriever) SyncRelayServers(stop <-chan bool) {
|
|
defer m.running.Store(false)
|
|
|
|
t := time.NewTimer(relayServerRetryInterval)
|
|
for {
|
|
relayServersToQuery := []gomatrixserverlib.ServerName{}
|
|
func() {
|
|
m.queriedServersMutex.Lock()
|
|
defer m.queriedServersMutex.Unlock()
|
|
for server, complete := range m.relayServersQueried {
|
|
if !complete {
|
|
relayServersToQuery = append(relayServersToQuery, server)
|
|
}
|
|
}
|
|
}()
|
|
if len(relayServersToQuery) == 0 {
|
|
// All relay servers have been synced.
|
|
return
|
|
}
|
|
m.queryRelayServers(relayServersToQuery)
|
|
t.Reset(relayServerRetryInterval)
|
|
|
|
select {
|
|
case <-stop:
|
|
if !t.Stop() {
|
|
<-t.C
|
|
}
|
|
return
|
|
case <-t.C:
|
|
}
|
|
}
|
|
}
|
|
|
|
func (m *RelayServerRetriever) GetQueriedServerStatus() map[gomatrixserverlib.ServerName]bool {
|
|
m.queriedServersMutex.Lock()
|
|
defer m.queriedServersMutex.Unlock()
|
|
|
|
result := map[gomatrixserverlib.ServerName]bool{}
|
|
for server, queried := range m.relayServersQueried {
|
|
result[server] = queried
|
|
}
|
|
return result
|
|
}
|
|
|
|
func (m *RelayServerRetriever) queryRelayServers(relayServers []gomatrixserverlib.ServerName) {
|
|
logrus.Info("querying relay servers for any available transactions")
|
|
for _, server := range relayServers {
|
|
userID, err := gomatrixserverlib.NewUserID("@user:"+string(m.ServerName), false)
|
|
if err != nil {
|
|
return
|
|
}
|
|
err = m.RelayAPI.PerformRelayServerSync(context.Background(), *userID, server)
|
|
if err == nil {
|
|
func() {
|
|
m.queriedServersMutex.Lock()
|
|
defer m.queriedServersMutex.Unlock()
|
|
m.relayServersQueried[server] = true
|
|
}()
|
|
// TODO : What happens if your relay receives new messages after this point?
|
|
// Should you continue to check with them, or should they try and contact you?
|
|
// They could send a "new_async_events" message your way maybe?
|
|
// Then you could mark them as needing to be queried again.
|
|
// What if you miss this message?
|
|
// Maybe you should try querying them again after a certain period of time as a backup?
|
|
} else {
|
|
logrus.Errorf("Failed querying relay server: %s", err.Error())
|
|
}
|
|
}
|
|
}
|
|
|
|
const MaxFrameSize = types.MaxFrameSize
|
|
|
|
type Conduit struct {
|
|
closed atomic.Bool
|
|
conn net.Conn
|
|
port types.SwitchPortID
|
|
portMutex sync.Mutex
|
|
}
|
|
|
|
func (c *Conduit) Port() int {
|
|
c.portMutex.Lock()
|
|
defer c.portMutex.Unlock()
|
|
return int(c.port)
|
|
}
|
|
|
|
func (c *Conduit) Read(b []byte) (int, error) {
|
|
if c.closed.Load() {
|
|
return 0, io.EOF
|
|
}
|
|
return c.conn.Read(b)
|
|
}
|
|
|
|
func (c *Conduit) ReadCopy() ([]byte, error) {
|
|
if c.closed.Load() {
|
|
return nil, io.EOF
|
|
}
|
|
var buf [65535 * 2]byte
|
|
n, err := c.conn.Read(buf[:])
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return buf[:n], nil
|
|
}
|
|
|
|
func (c *Conduit) Write(b []byte) (int, error) {
|
|
if c.closed.Load() {
|
|
return 0, io.EOF
|
|
}
|
|
return c.conn.Write(b)
|
|
}
|
|
|
|
func (c *Conduit) Close() error {
|
|
if c.closed.Load() {
|
|
return io.ErrClosedPipe
|
|
}
|
|
c.closed.Store(true)
|
|
return c.conn.Close()
|
|
}
|