260 lines
8.7 KiB
Go
260 lines
8.7 KiB
Go
// Copyright 2020 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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// +build wasm
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package main
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import (
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"crypto/ed25519"
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"fmt"
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"net/http"
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"syscall/js"
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"github.com/matrix-org/dendrite/appservice"
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"github.com/matrix-org/dendrite/clientapi"
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"github.com/matrix-org/dendrite/clientapi/producers"
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"github.com/matrix-org/dendrite/eduserver"
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"github.com/matrix-org/dendrite/eduserver/cache"
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"github.com/matrix-org/dendrite/federationapi"
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"github.com/matrix-org/dendrite/federationsender"
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"github.com/matrix-org/dendrite/internal"
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"github.com/matrix-org/dendrite/internal/basecomponent"
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"github.com/matrix-org/dendrite/internal/config"
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"github.com/matrix-org/dendrite/internal/transactions"
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"github.com/matrix-org/dendrite/mediaapi"
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"github.com/matrix-org/dendrite/publicroomsapi"
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"github.com/matrix-org/dendrite/publicroomsapi/storage"
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"github.com/matrix-org/dendrite/roomserver"
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"github.com/matrix-org/dendrite/syncapi"
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go_http_js_libp2p "github.com/matrix-org/go-http-js-libp2p"
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"github.com/matrix-org/gomatrixserverlib"
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"github.com/sirupsen/logrus"
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_ "github.com/matrix-org/go-sqlite3-js"
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)
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var GitCommit string
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func init() {
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fmt.Printf("[%s] dendrite.js starting...\n", GitCommit)
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}
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const keyNameEd25519 = "_go_ed25519_key"
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func readKeyFromLocalStorage() (key ed25519.PrivateKey, err error) {
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localforage := js.Global().Get("localforage")
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if !localforage.Truthy() {
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err = fmt.Errorf("readKeyFromLocalStorage: no localforage")
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return
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}
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// https://localforage.github.io/localForage/
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item, ok := await(localforage.Call("getItem", keyNameEd25519))
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if !ok || !item.Truthy() {
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err = fmt.Errorf("readKeyFromLocalStorage: no key in localforage")
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return
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}
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fmt.Println("Found key in localforage")
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// extract []byte and make an ed25519 key
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seed := make([]byte, 32, 32)
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js.CopyBytesToGo(seed, item)
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return ed25519.NewKeyFromSeed(seed), nil
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}
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func writeKeyToLocalStorage(key ed25519.PrivateKey) error {
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localforage := js.Global().Get("localforage")
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if !localforage.Truthy() {
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return fmt.Errorf("writeKeyToLocalStorage: no localforage")
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}
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// make a Uint8Array from the key's seed
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seed := key.Seed()
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jsSeed := js.Global().Get("Uint8Array").New(len(seed))
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js.CopyBytesToJS(jsSeed, seed)
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// write it
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localforage.Call("setItem", keyNameEd25519, jsSeed)
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return nil
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}
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// taken from https://go-review.googlesource.com/c/go/+/150917
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// await waits until the promise v has been resolved or rejected and returns the promise's result value.
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// The boolean value ok is true if the promise has been resolved, false if it has been rejected.
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// If v is not a promise, v itself is returned as the value and ok is true.
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func await(v js.Value) (result js.Value, ok bool) {
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if v.Type() != js.TypeObject || v.Get("then").Type() != js.TypeFunction {
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return v, true
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}
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done := make(chan struct{})
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onResolve := js.FuncOf(func(this js.Value, args []js.Value) interface{} {
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result = args[0]
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ok = true
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close(done)
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return nil
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})
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defer onResolve.Release()
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onReject := js.FuncOf(func(this js.Value, args []js.Value) interface{} {
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result = args[0]
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ok = false
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close(done)
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return nil
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})
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defer onReject.Release()
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v.Call("then", onResolve, onReject)
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<-done
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return
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}
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func generateKey() ed25519.PrivateKey {
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// attempt to look for a seed in JS-land and if it exists use it.
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priv, err := readKeyFromLocalStorage()
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if err == nil {
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fmt.Println("Read key from localStorage")
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return priv
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}
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// generate a new key
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fmt.Println(err, " : Generating new ed25519 key")
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_, priv, err = ed25519.GenerateKey(nil)
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if err != nil {
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logrus.Fatalf("Failed to generate ed25519 key: %s", err)
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}
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if err := writeKeyToLocalStorage(priv); err != nil {
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fmt.Println("failed to write key to localStorage: ", err)
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// non-fatal, we'll just have amnesia for a while
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}
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return priv
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}
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func createFederationClient(cfg *config.Dendrite, node *go_http_js_libp2p.P2pLocalNode) *gomatrixserverlib.FederationClient {
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fmt.Println("Running in js-libp2p federation mode")
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fmt.Println("Warning: Federation with non-libp2p homeservers will not work in this mode yet!")
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tr := go_http_js_libp2p.NewP2pTransport(node)
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fed := gomatrixserverlib.NewFederationClient(
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cfg.Matrix.ServerName, cfg.Matrix.KeyID, cfg.Matrix.PrivateKey,
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)
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fed.Client = *gomatrixserverlib.NewClientWithTransport(tr)
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return fed
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}
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func createP2PNode(privKey ed25519.PrivateKey) (serverName string, node *go_http_js_libp2p.P2pLocalNode) {
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hosted := "/dns4/rendezvous.matrix.org/tcp/8443/wss/p2p-websocket-star/"
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node = go_http_js_libp2p.NewP2pLocalNode("org.matrix.p2p.experiment", privKey.Seed(), []string{hosted}, "p2p")
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serverName = node.Id
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fmt.Println("p2p assigned ServerName: ", serverName)
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return
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}
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func main() {
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cfg := &config.Dendrite{}
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cfg.SetDefaults()
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cfg.Kafka.UseNaffka = true
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cfg.Database.Account = "file:/idb/dendritejs_account.db"
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cfg.Database.AppService = "file:/idb/dendritejs_appservice.db"
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cfg.Database.Device = "file:/idb/dendritejs_device.db"
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cfg.Database.FederationSender = "file:/idb/dendritejs_fedsender.db"
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cfg.Database.MediaAPI = "file:/idb/dendritejs_mediaapi.db"
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cfg.Database.Naffka = "file:/idb/dendritejs_naffka.db"
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cfg.Database.PublicRoomsAPI = "file:/idb/dendritejs_publicrooms.db"
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cfg.Database.RoomServer = "file:/idb/dendritejs_roomserver.db"
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cfg.Database.ServerKey = "file:/idb/dendritejs_serverkey.db"
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cfg.Database.SyncAPI = "file:/idb/dendritejs_syncapi.db"
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cfg.Kafka.Topics.UserUpdates = "user_updates"
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cfg.Kafka.Topics.OutputTypingEvent = "output_typing_event"
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cfg.Kafka.Topics.OutputClientData = "output_client_data"
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cfg.Kafka.Topics.OutputRoomEvent = "output_room_event"
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cfg.Matrix.TrustedIDServers = []string{
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"matrix.org", "vector.im",
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}
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cfg.Matrix.KeyID = libp2pMatrixKeyID
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cfg.Matrix.PrivateKey = generateKey()
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serverName, node := createP2PNode(cfg.Matrix.PrivateKey)
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cfg.Matrix.ServerName = gomatrixserverlib.ServerName(serverName)
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if err := cfg.Derive(); err != nil {
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logrus.Fatalf("Failed to derive values from config: %s", err)
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}
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base := basecomponent.NewBaseDendrite(cfg, "Monolith", false)
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defer base.Close() // nolint: errcheck
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accountDB := base.CreateAccountsDB()
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deviceDB := base.CreateDeviceDB()
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keyDB := base.CreateKeyDB()
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federation := createFederationClient(cfg, node)
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keyRing := gomatrixserverlib.KeyRing{
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KeyFetchers: []gomatrixserverlib.KeyFetcher{
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&libp2pKeyFetcher{},
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},
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KeyDatabase: keyDB,
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}
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p2pPublicRoomProvider := NewLibP2PPublicRoomsProvider(node)
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rsAPI := roomserver.SetupRoomServerComponent(base, keyRing, federation)
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eduInputAPI := eduserver.SetupEDUServerComponent(base, cache.New())
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asQuery := appservice.SetupAppServiceAPIComponent(
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base, accountDB, deviceDB, federation, rsAPI, transactions.New(),
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)
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fedSenderAPI := federationsender.SetupFederationSenderComponent(base, federation, rsAPI, &keyRing)
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rsAPI.SetFederationSenderAPI(fedSenderAPI)
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clientapi.SetupClientAPIComponent(
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base, deviceDB, accountDB,
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federation, &keyRing, rsAPI,
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eduInputAPI, asQuery, transactions.New(), fedSenderAPI,
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)
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eduProducer := producers.NewEDUServerProducer(eduInputAPI)
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federationapi.SetupFederationAPIComponent(base, accountDB, deviceDB, federation, &keyRing, rsAPI, asQuery, fedSenderAPI, eduProducer)
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mediaapi.SetupMediaAPIComponent(base, deviceDB)
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publicRoomsDB, err := storage.NewPublicRoomsServerDatabase(string(base.Cfg.Database.PublicRoomsAPI))
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if err != nil {
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logrus.WithError(err).Panicf("failed to connect to public rooms db")
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}
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publicroomsapi.SetupPublicRoomsAPIComponent(base, deviceDB, publicRoomsDB, rsAPI, federation, p2pPublicRoomProvider)
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syncapi.SetupSyncAPIComponent(base, deviceDB, accountDB, rsAPI, federation, cfg)
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internal.SetupHTTPAPI(
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http.DefaultServeMux,
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base.PublicAPIMux,
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base.InternalAPIMux,
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cfg,
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base.EnableHTTPAPIs,
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)
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// Expose the matrix APIs via libp2p-js - for federation traffic
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if node != nil {
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go func() {
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logrus.Info("Listening on libp2p-js host ID ", node.Id)
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s := JSServer{
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Mux: http.DefaultServeMux,
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}
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s.ListenAndServe("p2p")
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}()
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}
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// Expose the matrix APIs via fetch - for local traffic
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go func() {
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logrus.Info("Listening for service-worker fetch traffic")
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s := JSServer{
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Mux: http.DefaultServeMux,
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}
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s.ListenAndServe("fetch")
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}()
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// We want to block forever to let the fetch and libp2p handler serve the APIs
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select {}
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}
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