bugfix: E2EE device keys could sometimes not be sent to remote servers (#2466)

* Fix flakey sytest 'Local device key changes get to remote servers'

* Debug logs

* Remove internal/test and use /test only

Remove a lot of ancient code too.

* Use FederationRoomserverAPI in more places

* Use more interfaces in federationapi; begin adding regression test

* Linting

* Add regression test

* Unbreak tests

* ALL THE LOGS

* Fix a race condition which could cause events to not be sent to servers

If a new room event which rewrites state arrives, we remove all joined hosts
then re-calculate them. This wasn't done in a transaction so for a brief period
we would have no joined hosts. During this interim, key change events which arrive
would not be sent to destination servers. This would sporadically fail on sytest.

* Unbreak new tests

* Linting

cmd/generate-keys/main.go

@@ -20,7 +20,7 @@ import (
 	"log"
 	"os"
 
-	"github.com/matrix-org/dendrite/internal/test"
+	"github.com/matrix-org/dendrite/test"
 )
 
 const usage = `Usage: %s

federationapi/api/api.go

@@ -12,12 +12,16 @@ import (
 
 // FederationInternalAPI is used to query information from the federation sender.
 type FederationInternalAPI interface {
-	FederationClient
+	gomatrixserverlib.FederatedStateClient
+	KeyserverFederationAPI
 	gomatrixserverlib.KeyDatabase
 	ClientFederationAPI
 	RoomserverFederationAPI
 
 	QueryServerKeys(ctx context.Context, request *QueryServerKeysRequest, response *QueryServerKeysResponse) error
+	LookupServerKeys(ctx context.Context, s gomatrixserverlib.ServerName, keyRequests map[gomatrixserverlib.PublicKeyLookupRequest]gomatrixserverlib.Timestamp) ([]gomatrixserverlib.ServerKeys, error)
+	MSC2836EventRelationships(ctx context.Context, dst gomatrixserverlib.ServerName, r gomatrixserverlib.MSC2836EventRelationshipsRequest, roomVersion gomatrixserverlib.RoomVersion) (res gomatrixserverlib.MSC2836EventRelationshipsResponse, err error)
+	MSC2946Spaces(ctx context.Context, dst gomatrixserverlib.ServerName, roomID string, suggestedOnly bool) (res gomatrixserverlib.MSC2946SpacesResponse, err error)
 
 	// Broadcasts an EDU to all servers in rooms we are joined to. Used in the yggdrasil demos.
 	PerformBroadcastEDU(
@@ -60,17 +64,43 @@ type RoomserverFederationAPI interface {
 	LookupMissingEvents(ctx context.Context, s gomatrixserverlib.ServerName, roomID string, missing gomatrixserverlib.MissingEvents, roomVersion gomatrixserverlib.RoomVersion) (res gomatrixserverlib.RespMissingEvents, err error)
 }
 
-// FederationClient is a subset of gomatrixserverlib.FederationClient functions which the fedsender
+// KeyserverFederationAPI is a subset of gomatrixserverlib.FederationClient functions which the keyserver
 // implements as proxy calls, with built-in backoff/retries/etc. Errors returned from functions in
 // this interface are of type FederationClientError
-type FederationClient interface {
+type KeyserverFederationAPI interface {
-	gomatrixserverlib.FederatedStateClient
 	GetUserDevices(ctx context.Context, s gomatrixserverlib.ServerName, userID string) (res gomatrixserverlib.RespUserDevices, err error)
 	ClaimKeys(ctx context.Context, s gomatrixserverlib.ServerName, oneTimeKeys map[string]map[string]string) (res gomatrixserverlib.RespClaimKeys, err error)
 	QueryKeys(ctx context.Context, s gomatrixserverlib.ServerName, keys map[string][]string) (res gomatrixserverlib.RespQueryKeys, err error)
+}
+
+// an interface for gmsl.FederationClient - contains functions called by federationapi only.
+type FederationClient interface {
+	gomatrixserverlib.KeyClient
+	SendTransaction(ctx context.Context, t gomatrixserverlib.Transaction) (res gomatrixserverlib.RespSend, err error)
+
+	// Perform operations
+	LookupRoomAlias(ctx context.Context, s gomatrixserverlib.ServerName, roomAlias string) (res gomatrixserverlib.RespDirectory, err error)
+	Peek(ctx context.Context, s gomatrixserverlib.ServerName, roomID, peekID string, roomVersions []gomatrixserverlib.RoomVersion) (res gomatrixserverlib.RespPeek, err error)
+	MakeJoin(ctx context.Context, s gomatrixserverlib.ServerName, roomID, userID string, roomVersions []gomatrixserverlib.RoomVersion) (res gomatrixserverlib.RespMakeJoin, err error)
+	SendJoin(ctx context.Context, s gomatrixserverlib.ServerName, event *gomatrixserverlib.Event) (res gomatrixserverlib.RespSendJoin, err error)
+	MakeLeave(ctx context.Context, s gomatrixserverlib.ServerName, roomID, userID string) (res gomatrixserverlib.RespMakeLeave, err error)
+	SendLeave(ctx context.Context, s gomatrixserverlib.ServerName, event *gomatrixserverlib.Event) (err error)
+	SendInviteV2(ctx context.Context, s gomatrixserverlib.ServerName, request gomatrixserverlib.InviteV2Request) (res gomatrixserverlib.RespInviteV2, err error)
+
+	GetEvent(ctx context.Context, s gomatrixserverlib.ServerName, eventID string) (res gomatrixserverlib.Transaction, err error)
+
+	GetEventAuth(ctx context.Context, s gomatrixserverlib.ServerName, roomVersion gomatrixserverlib.RoomVersion, roomID, eventID string) (res gomatrixserverlib.RespEventAuth, err error)
+	GetUserDevices(ctx context.Context, s gomatrixserverlib.ServerName, userID string) (gomatrixserverlib.RespUserDevices, error)
+	ClaimKeys(ctx context.Context, s gomatrixserverlib.ServerName, oneTimeKeys map[string]map[string]string) (gomatrixserverlib.RespClaimKeys, error)
+	QueryKeys(ctx context.Context, s gomatrixserverlib.ServerName, keys map[string][]string) (gomatrixserverlib.RespQueryKeys, error)
+	Backfill(ctx context.Context, s gomatrixserverlib.ServerName, roomID string, limit int, eventIDs []string) (res gomatrixserverlib.Transaction, err error)
 	MSC2836EventRelationships(ctx context.Context, dst gomatrixserverlib.ServerName, r gomatrixserverlib.MSC2836EventRelationshipsRequest, roomVersion gomatrixserverlib.RoomVersion) (res gomatrixserverlib.MSC2836EventRelationshipsResponse, err error)
 	MSC2946Spaces(ctx context.Context, dst gomatrixserverlib.ServerName, roomID string, suggestedOnly bool) (res gomatrixserverlib.MSC2946SpacesResponse, err error)
-	LookupServerKeys(ctx context.Context, s gomatrixserverlib.ServerName, keyRequests map[gomatrixserverlib.PublicKeyLookupRequest]gomatrixserverlib.Timestamp) ([]gomatrixserverlib.ServerKeys, error)
+
+	ExchangeThirdPartyInvite(ctx context.Context, s gomatrixserverlib.ServerName, builder gomatrixserverlib.EventBuilder) (err error)
+	LookupState(ctx context.Context, s gomatrixserverlib.ServerName, roomID string, eventID string, roomVersion gomatrixserverlib.RoomVersion) (res gomatrixserverlib.RespState, err error)
+	LookupStateIDs(ctx context.Context, s gomatrixserverlib.ServerName, roomID string, eventID string) (res gomatrixserverlib.RespStateIDs, err error)
+	LookupMissingEvents(ctx context.Context, s gomatrixserverlib.ServerName, roomID string, missing gomatrixserverlib.MissingEvents, roomVersion gomatrixserverlib.RoomVersion) (res gomatrixserverlib.RespMissingEvents, err error)
 }
 
 // FederationClientError is returned from FederationClient methods in the event of a problem.

federationapi/consumers/keychange.go

@@ -39,7 +39,7 @@ type KeyChangeConsumer struct {
 	db         storage.Database
 	queues     *queue.OutgoingQueues
 	serverName gomatrixserverlib.ServerName
-	rsAPI      roomserverAPI.RoomserverInternalAPI
+	rsAPI      roomserverAPI.FederationRoomserverAPI
 	topic      string
 }
 
@@ -50,7 +50,7 @@ func NewKeyChangeConsumer(
 	js nats.JetStreamContext,
 	queues *queue.OutgoingQueues,
 	store storage.Database,
-	rsAPI roomserverAPI.RoomserverInternalAPI,
+	rsAPI roomserverAPI.FederationRoomserverAPI,
 ) *KeyChangeConsumer {
 	return &KeyChangeConsumer{
 		ctx:        process.Context(),
@@ -120,6 +120,7 @@ func (t *KeyChangeConsumer) onDeviceKeyMessage(m api.DeviceMessage) bool {
 		logger.WithError(err).Error("failed to calculate joined rooms for user")
 		return true
 	}
+	logrus.Infof("DEBUG: %v joined rooms for user %v", queryRes.RoomIDs, m.UserID)
 	// send this key change to all servers who share rooms with this user.
 	destinations, err := t.db.GetJoinedHostsForRooms(t.ctx, queryRes.RoomIDs, true)
 	if err != nil {
@@ -128,6 +129,9 @@ func (t *KeyChangeConsumer) onDeviceKeyMessage(m api.DeviceMessage) bool {
 	}
 
 	if len(destinations) == 0 {
+		logger.WithField("num_rooms", len(queryRes.RoomIDs)).Debug("user is in no federated rooms")
+		destinations, err = t.db.GetJoinedHostsForRooms(t.ctx, queryRes.RoomIDs, false)
+		logrus.Infof("GetJoinedHostsForRooms exclude self=false -> %v %v", destinations, err)
 		return true
 	}
 	// Pack the EDU and marshal it

federationapi/consumers/roomserver.go

@@ -21,6 +21,7 @@ import (
 
 	"github.com/matrix-org/gomatrixserverlib"
 	"github.com/nats-io/nats.go"
+	"github.com/sirupsen/logrus"
 	log "github.com/sirupsen/logrus"
 
 	"github.com/matrix-org/dendrite/federationapi/queue"
@@ -36,7 +37,7 @@ import (
 type OutputRoomEventConsumer struct {
 	ctx       context.Context
 	cfg       *config.FederationAPI
-	rsAPI     api.RoomserverInternalAPI
+	rsAPI     api.FederationRoomserverAPI
 	jetstream nats.JetStreamContext
 	durable   string
 	db        storage.Database
@@ -51,7 +52,7 @@ func NewOutputRoomEventConsumer(
 	js nats.JetStreamContext,
 	queues *queue.OutgoingQueues,
 	store storage.Database,
-	rsAPI api.RoomserverInternalAPI,
+	rsAPI api.FederationRoomserverAPI,
 ) *OutputRoomEventConsumer {
 	return &OutputRoomEventConsumer{
 		ctx:       process.Context(),
@@ -89,15 +90,7 @@ func (s *OutputRoomEventConsumer) onMessage(ctx context.Context, msg *nats.Msg)
 	switch output.Type {
 	case api.OutputTypeNewRoomEvent:
 		ev := output.NewRoomEvent.Event
-
+		if err := s.processMessage(*output.NewRoomEvent, output.NewRoomEvent.RewritesState); err != nil {
-		if output.NewRoomEvent.RewritesState {
-			if err := s.db.PurgeRoomState(s.ctx, ev.RoomID()); err != nil {
-				log.WithError(err).Errorf("roomserver output log: purge room state failure")
-				return false
-			}
-		}
-
-		if err := s.processMessage(*output.NewRoomEvent); err != nil {
 			// panic rather than continue with an inconsistent database
 			log.WithFields(log.Fields{
 				"event_id":   ev.EventID(),
@@ -145,7 +138,7 @@ func (s *OutputRoomEventConsumer) processInboundPeek(orp api.OutputNewInboundPee
 
 // processMessage updates the list of currently joined hosts in the room
 // and then sends the event to the hosts that were joined before the event.
-func (s *OutputRoomEventConsumer) processMessage(ore api.OutputNewRoomEvent) error {
+func (s *OutputRoomEventConsumer) processMessage(ore api.OutputNewRoomEvent, rewritesState bool) error {
 	addsStateEvents, missingEventIDs := ore.NeededStateEventIDs()
 
 	// Ask the roomserver and add in the rest of the results into the set.
@@ -164,7 +157,7 @@ func (s *OutputRoomEventConsumer) processMessage(ore api.OutputNewRoomEvent) err
 		addsStateEvents = append(addsStateEvents, eventsRes.Events...)
 	}
 
-	addsJoinedHosts, err := joinedHostsFromEvents(gomatrixserverlib.UnwrapEventHeaders(addsStateEvents))
+	addsJoinedHosts, err := JoinedHostsFromEvents(gomatrixserverlib.UnwrapEventHeaders(addsStateEvents))
 	if err != nil {
 		return err
 	}
@@ -173,13 +166,13 @@ func (s *OutputRoomEventConsumer) processMessage(ore api.OutputNewRoomEvent) err
 	// expressed as a delta against the current state.
 	// TODO(#290): handle EventIDMismatchError and recover the current state by
 	// talking to the roomserver
+	logrus.Infof("room %s adds joined hosts: %v removes %v", ore.Event.RoomID(), addsJoinedHosts, ore.RemovesStateEventIDs)
 	oldJoinedHosts, err := s.db.UpdateRoom(
 		s.ctx,
 		ore.Event.RoomID(),
-		ore.LastSentEventID,
-		ore.Event.EventID(),
 		addsJoinedHosts,
 		ore.RemovesStateEventIDs,
+		rewritesState, // if we're re-writing state, nuke all joined hosts before adding
 	)
 	if err != nil {
 		return err
@@ -238,7 +231,7 @@ func (s *OutputRoomEventConsumer) joinedHostsAtEvent(
 		return nil, err
 	}
 
-	combinedAddsJoinedHosts, err := joinedHostsFromEvents(combinedAddsEvents)
+	combinedAddsJoinedHosts, err := JoinedHostsFromEvents(combinedAddsEvents)
 	if err != nil {
 		return nil, err
 	}
@@ -284,10 +277,10 @@ func (s *OutputRoomEventConsumer) joinedHostsAtEvent(
 	return result, nil
 }
 
-// joinedHostsFromEvents turns a list of state events into a list of joined hosts.
+// JoinedHostsFromEvents turns a list of state events into a list of joined hosts.
 // This errors if one of the events was invalid.
 // It should be impossible for an invalid event to get this far in the pipeline.
-func joinedHostsFromEvents(evs []*gomatrixserverlib.Event) ([]types.JoinedHost, error) {
+func JoinedHostsFromEvents(evs []*gomatrixserverlib.Event) ([]types.JoinedHost, error) {
 	var joinedHosts []types.JoinedHost
 	for _, ev := range evs {
 		if ev.Type() != "m.room.member" || ev.StateKey() == nil {

federationapi/federationapi.go

@@ -93,8 +93,8 @@ func AddPublicRoutes(
 // can call functions directly on the returned API or via an HTTP interface using AddInternalRoutes.
 func NewInternalAPI(
 	base *base.BaseDendrite,
-	federation *gomatrixserverlib.FederationClient,
+	federation api.FederationClient,
-	rsAPI roomserverAPI.RoomserverInternalAPI,
+	rsAPI roomserverAPI.FederationRoomserverAPI,
 	caches *caching.Caches,
 	keyRing *gomatrixserverlib.KeyRing,
 	resetBlacklist bool,

federationapi/federationapi_test.go

@@ -3,18 +3,250 @@ package federationapi_test
 import (
 	"context"
 	"crypto/ed25519"
+	"encoding/json"
+	"fmt"
 	"strings"
 	"testing"
+	"time"
 
 	"github.com/matrix-org/dendrite/federationapi"
+	"github.com/matrix-org/dendrite/federationapi/api"
 	"github.com/matrix-org/dendrite/federationapi/internal"
-	"github.com/matrix-org/dendrite/internal/test"
+	keyapi "github.com/matrix-org/dendrite/keyserver/api"
+	rsapi "github.com/matrix-org/dendrite/roomserver/api"
 	"github.com/matrix-org/dendrite/setup/base"
 	"github.com/matrix-org/dendrite/setup/config"
+	"github.com/matrix-org/dendrite/setup/jetstream"
+	"github.com/matrix-org/dendrite/test"
+	"github.com/matrix-org/dendrite/test/testrig"
 	"github.com/matrix-org/gomatrix"
 	"github.com/matrix-org/gomatrixserverlib"
+	"github.com/nats-io/nats.go"
 )
 
+type fedRoomserverAPI struct {
+	rsapi.FederationRoomserverAPI
+	inputRoomEvents   func(ctx context.Context, req *rsapi.InputRoomEventsRequest, res *rsapi.InputRoomEventsResponse)
+	queryRoomsForUser func(ctx context.Context, req *rsapi.QueryRoomsForUserRequest, res *rsapi.QueryRoomsForUserResponse) error
+}
+
+// PerformJoin will call this function
+func (f *fedRoomserverAPI) InputRoomEvents(ctx context.Context, req *rsapi.InputRoomEventsRequest, res *rsapi.InputRoomEventsResponse) {
+	if f.inputRoomEvents == nil {
+		return
+	}
+	f.inputRoomEvents(ctx, req, res)
+}
+
+// keychange consumer calls this
+func (f *fedRoomserverAPI) QueryRoomsForUser(ctx context.Context, req *rsapi.QueryRoomsForUserRequest, res *rsapi.QueryRoomsForUserResponse) error {
+	if f.queryRoomsForUser == nil {
+		return nil
+	}
+	return f.queryRoomsForUser(ctx, req, res)
+}
+
+// TODO: This struct isn't generic, only works for TestFederationAPIJoinThenKeyUpdate
+type fedClient struct {
+	api.FederationClient
+	allowJoins []*test.Room
+	keys       map[gomatrixserverlib.ServerName]struct {
+		key   ed25519.PrivateKey
+		keyID gomatrixserverlib.KeyID
+	}
+	t       *testing.T
+	sentTxn bool
+}
+
+func (f *fedClient) GetServerKeys(ctx context.Context, matrixServer gomatrixserverlib.ServerName) (gomatrixserverlib.ServerKeys, error) {
+	fmt.Println("GetServerKeys:", matrixServer)
+	var keys gomatrixserverlib.ServerKeys
+	var keyID gomatrixserverlib.KeyID
+	var pkey ed25519.PrivateKey
+	for srv, data := range f.keys {
+		if srv == matrixServer {
+			pkey = data.key
+			keyID = data.keyID
+			break
+		}
+	}
+	if pkey == nil {
+		return keys, nil
+	}
+
+	keys.ServerName = matrixServer
+	keys.ValidUntilTS = gomatrixserverlib.AsTimestamp(time.Now().Add(10 * time.Hour))
+	publicKey := pkey.Public().(ed25519.PublicKey)
+	keys.VerifyKeys = map[gomatrixserverlib.KeyID]gomatrixserverlib.VerifyKey{
+		keyID: {
+			Key: gomatrixserverlib.Base64Bytes(publicKey),
+		},
+	}
+	toSign, err := json.Marshal(keys.ServerKeyFields)
+	if err != nil {
+		return keys, err
+	}
+
+	keys.Raw, err = gomatrixserverlib.SignJSON(
+		string(matrixServer), keyID, pkey, toSign,
+	)
+	if err != nil {
+		return keys, err
+	}
+
+	return keys, nil
+}
+
+func (f *fedClient) MakeJoin(ctx context.Context, s gomatrixserverlib.ServerName, roomID, userID string, roomVersions []gomatrixserverlib.RoomVersion) (res gomatrixserverlib.RespMakeJoin, err error) {
+	for _, r := range f.allowJoins {
+		if r.ID == roomID {
+			res.RoomVersion = r.Version
+			res.JoinEvent = gomatrixserverlib.EventBuilder{
+				Sender:     userID,
+				RoomID:     roomID,
+				Type:       "m.room.member",
+				StateKey:   &userID,
+				Content:    gomatrixserverlib.RawJSON([]byte(`{"membership":"join"}`)),
+				PrevEvents: r.ForwardExtremities(),
+			}
+			var needed gomatrixserverlib.StateNeeded
+			needed, err = gomatrixserverlib.StateNeededForEventBuilder(&res.JoinEvent)
+			if err != nil {
+				f.t.Errorf("StateNeededForEventBuilder: %v", err)
+				return
+			}
+			res.JoinEvent.AuthEvents = r.MustGetAuthEventRefsForEvent(f.t, needed)
+			return
+		}
+	}
+	return
+}
+func (f *fedClient) SendJoin(ctx context.Context, s gomatrixserverlib.ServerName, event *gomatrixserverlib.Event) (res gomatrixserverlib.RespSendJoin, err error) {
+	for _, r := range f.allowJoins {
+		if r.ID == event.RoomID() {
+			r.InsertEvent(f.t, event.Headered(r.Version))
+			f.t.Logf("Join event: %v", event.EventID())
+			res.StateEvents = gomatrixserverlib.NewEventJSONsFromHeaderedEvents(r.CurrentState())
+			res.AuthEvents = gomatrixserverlib.NewEventJSONsFromHeaderedEvents(r.Events())
+		}
+	}
+	return
+}
+
+func (f *fedClient) SendTransaction(ctx context.Context, t gomatrixserverlib.Transaction) (res gomatrixserverlib.RespSend, err error) {
+	for _, edu := range t.EDUs {
+		if edu.Type == gomatrixserverlib.MDeviceListUpdate {
+			f.sentTxn = true
+		}
+	}
+	f.t.Logf("got /send")
+	return
+}
+
+// Regression test to make sure that /send_join is updating the destination hosts synchronously and
+// isn't relying on the roomserver.
+func TestFederationAPIJoinThenKeyUpdate(t *testing.T) {
+	test.WithAllDatabases(t, func(t *testing.T, dbType test.DBType) {
+		testFederationAPIJoinThenKeyUpdate(t, dbType)
+	})
+}
+
+func testFederationAPIJoinThenKeyUpdate(t *testing.T, dbType test.DBType) {
+	base, close := testrig.CreateBaseDendrite(t, dbType)
+	base.Cfg.FederationAPI.PreferDirectFetch = true
+	defer close()
+	jsctx, _ := base.NATS.Prepare(base.ProcessContext, &base.Cfg.Global.JetStream)
+	defer jetstream.DeleteAllStreams(jsctx, &base.Cfg.Global.JetStream)
+
+	serverA := gomatrixserverlib.ServerName("server.a")
+	serverAKeyID := gomatrixserverlib.KeyID("ed25519:servera")
+	serverAPrivKey := test.PrivateKeyA
+	creator := test.NewUser(t, test.WithSigningServer(serverA, serverAKeyID, serverAPrivKey))
+
+	myServer := base.Cfg.Global.ServerName
+	myServerKeyID := base.Cfg.Global.KeyID
+	myServerPrivKey := base.Cfg.Global.PrivateKey
+	joiningUser := test.NewUser(t, test.WithSigningServer(myServer, myServerKeyID, myServerPrivKey))
+	fmt.Printf("creator: %v joining user: %v\n", creator.ID, joiningUser.ID)
+	room := test.NewRoom(t, creator)
+
+	rsapi := &fedRoomserverAPI{
+		inputRoomEvents: func(ctx context.Context, req *rsapi.InputRoomEventsRequest, res *rsapi.InputRoomEventsResponse) {
+			if req.Asynchronous {
+				t.Errorf("InputRoomEvents from PerformJoin MUST be synchronous")
+			}
+		},
+		queryRoomsForUser: func(ctx context.Context, req *rsapi.QueryRoomsForUserRequest, res *rsapi.QueryRoomsForUserResponse) error {
+			if req.UserID == joiningUser.ID && req.WantMembership == "join" {
+				res.RoomIDs = []string{room.ID}
+				return nil
+			}
+			return fmt.Errorf("unexpected queryRoomsForUser: %+v", *req)
+		},
+	}
+	fc := &fedClient{
+		allowJoins: []*test.Room{room},
+		t:          t,
+		keys: map[gomatrixserverlib.ServerName]struct {
+			key   ed25519.PrivateKey
+			keyID gomatrixserverlib.KeyID
+		}{
+			serverA: {
+				key:   serverAPrivKey,
+				keyID: serverAKeyID,
+			},
+			myServer: {
+				key:   myServerPrivKey,
+				keyID: myServerKeyID,
+			},
+		},
+	}
+	fsapi := federationapi.NewInternalAPI(base, fc, rsapi, base.Caches, nil, false)
+
+	var resp api.PerformJoinResponse
+	fsapi.PerformJoin(context.Background(), &api.PerformJoinRequest{
+		RoomID:      room.ID,
+		UserID:      joiningUser.ID,
+		ServerNames: []gomatrixserverlib.ServerName{serverA},
+	}, &resp)
+	if resp.JoinedVia != serverA {
+		t.Errorf("PerformJoin: joined via %v want %v", resp.JoinedVia, serverA)
+	}
+	if resp.LastError != nil {
+		t.Fatalf("PerformJoin: returned error: %+v", *resp.LastError)
+	}
+
+	// Inject a keyserver key change event and ensure we try to send it out. If we don't, then the
+	// federationapi is incorrectly waiting for an output room event to arrive to update the joined
+	// hosts table.
+	key := keyapi.DeviceMessage{
+		Type: keyapi.TypeDeviceKeyUpdate,
+		DeviceKeys: &keyapi.DeviceKeys{
+			UserID:      joiningUser.ID,
+			DeviceID:    "MY_DEVICE",
+			DisplayName: "BLARGLE",
+			KeyJSON:     []byte(`{}`),
+		},
+	}
+	b, err := json.Marshal(key)
+	if err != nil {
+		t.Fatalf("Failed to marshal device message: %s", err)
+	}
+
+	msg := &nats.Msg{
+		Subject: base.Cfg.Global.JetStream.Prefixed(jetstream.OutputKeyChangeEvent),
+		Header:  nats.Header{},
+		Data:    b,
+	}
+	msg.Header.Set(jetstream.UserID, key.UserID)
+
+	testrig.MustPublishMsgs(t, jsctx, msg)
+	time.Sleep(500 * time.Millisecond)
+	if !fc.sentTxn {
+		t.Fatalf("did not send device list update")
+	}
+}
+
 // Tests that event IDs with '/' in them (escaped as %2F) are correctly passed to the right handler and don't 404.
 // Relevant for v3 rooms and a cause of flakey sytests as the IDs are randomly generated.
 func TestRoomsV3URLEscapeDoNot404(t *testing.T) {
@@ -86,7 +318,7 @@ func TestRoomsV3URLEscapeDoNot404(t *testing.T) {
 		}
 		gerr, ok := err.(gomatrix.HTTPError)
 		if !ok {
-			t.Errorf("failed to cast response error as gomatrix.HTTPError")
+			t.Errorf("failed to cast response error as gomatrix.HTTPError: %s", err)
 			continue
 		}
 		t.Logf("Error: %+v", gerr)

federationapi/internal/api.go

@@ -25,8 +25,8 @@ type FederationInternalAPI struct {
 	db         storage.Database
 	cfg        *config.FederationAPI
 	statistics *statistics.Statistics
-	rsAPI      roomserverAPI.RoomserverInternalAPI
+	rsAPI      roomserverAPI.FederationRoomserverAPI
-	federation *gomatrixserverlib.FederationClient
+	federation api.FederationClient
 	keyRing    *gomatrixserverlib.KeyRing
 	queues     *queue.OutgoingQueues
 	joins      sync.Map // joins currently in progress
@@ -34,8 +34,8 @@ type FederationInternalAPI struct {
 
 func NewFederationInternalAPI(
 	db storage.Database, cfg *config.FederationAPI,
-	rsAPI roomserverAPI.RoomserverInternalAPI,
+	rsAPI roomserverAPI.FederationRoomserverAPI,
-	federation *gomatrixserverlib.FederationClient,
+	federation api.FederationClient,
 	statistics *statistics.Statistics,
 	caches *caching.Caches,
 	queues *queue.OutgoingQueues,

federationapi/internal/perform.go

@@ -8,6 +8,7 @@ import (
 	"time"
 
 	"github.com/matrix-org/dendrite/federationapi/api"
+	"github.com/matrix-org/dendrite/federationapi/consumers"
 	roomserverAPI "github.com/matrix-org/dendrite/roomserver/api"
 	"github.com/matrix-org/dendrite/roomserver/version"
 	"github.com/matrix-org/gomatrix"
@@ -235,6 +236,21 @@ func (r *FederationInternalAPI) performJoinUsingServer(
 		return fmt.Errorf("respSendJoin.Check: %w", err)
 	}
 
+	// We need to immediately update our list of joined hosts for this room now as we are technically
+	// joined. We must do this synchronously: we cannot rely on the roomserver output events as they
+	// will happen asyncly. If we don't update this table, you can end up with bad failure modes like
+	// joining a room, waiting for 200 OK then changing device keys and have those keys not be sent
+	// to other servers (this was a cause of a flakey sytest "Local device key changes get to remote servers")
+	// The events are trusted now as we performed auth checks above.
+	joinedHosts, err := consumers.JoinedHostsFromEvents(respState.StateEvents.TrustedEvents(respMakeJoin.RoomVersion, false))
+	if err != nil {
+		return fmt.Errorf("JoinedHostsFromEvents: failed to get joined hosts: %s", err)
+	}
+	logrus.WithField("hosts", joinedHosts).WithField("room", roomID).Info("Joined federated room with hosts")
+	if _, err = r.db.UpdateRoom(context.Background(), roomID, joinedHosts, nil, true); err != nil {
+		return fmt.Errorf("UpdatedRoom: failed to update room with joined hosts: %s", err)
+	}
+
 	// If we successfully performed a send_join above then the other
 	// server now thinks we're a part of the room. Send the newly
 	// returned state to the roomserver to update our local view.
@@ -650,7 +666,7 @@ func setDefaultRoomVersionFromJoinEvent(joinEvent gomatrixserverlib.EventBuilder
 
 // FederatedAuthProvider is an auth chain provider which fetches events from the server provided
 func federatedAuthProvider(
-	ctx context.Context, federation *gomatrixserverlib.FederationClient,
+	ctx context.Context, federation api.FederationClient,
 	keyRing gomatrixserverlib.JSONVerifier, server gomatrixserverlib.ServerName,
 ) gomatrixserverlib.AuthChainProvider {
 	// A list of events that we have retried, if they were not included in

federationapi/queue/destinationqueue.go

@@ -21,6 +21,7 @@ import (
 	"sync"
 	"time"
 
+	fedapi "github.com/matrix-org/dendrite/federationapi/api"
 	"github.com/matrix-org/dendrite/federationapi/statistics"
 	"github.com/matrix-org/dendrite/federationapi/storage"
 	"github.com/matrix-org/dendrite/federationapi/storage/shared"
@@ -49,8 +50,8 @@ type destinationQueue struct {
 	db                 storage.Database
 	process            *process.ProcessContext
 	signing            *SigningInfo
-	rsAPI              api.RoomserverInternalAPI
+	rsAPI              api.FederationRoomserverAPI
-	client             *gomatrixserverlib.FederationClient // federation client
+	client             fedapi.FederationClient         // federation client
 	origin             gomatrixserverlib.ServerName    // origin of requests
 	destination        gomatrixserverlib.ServerName    // destination of requests
 	running            atomic.Bool                     // is the queue worker running?

federationapi/queue/queue.go

@@ -26,6 +26,7 @@ import (
 	log "github.com/sirupsen/logrus"
 	"github.com/tidwall/gjson"
 
+	fedapi "github.com/matrix-org/dendrite/federationapi/api"
 	"github.com/matrix-org/dendrite/federationapi/statistics"
 	"github.com/matrix-org/dendrite/federationapi/storage"
 	"github.com/matrix-org/dendrite/federationapi/storage/shared"
@@ -39,9 +40,9 @@ type OutgoingQueues struct {
 	db          storage.Database
 	process     *process.ProcessContext
 	disabled    bool
-	rsAPI       api.RoomserverInternalAPI
+	rsAPI       api.FederationRoomserverAPI
 	origin      gomatrixserverlib.ServerName
-	client      *gomatrixserverlib.FederationClient
+	client      fedapi.FederationClient
 	statistics  *statistics.Statistics
 	signing     *SigningInfo
 	queuesMutex sync.Mutex // protects the below
@@ -85,8 +86,8 @@ func NewOutgoingQueues(
 	process *process.ProcessContext,
 	disabled bool,
 	origin gomatrixserverlib.ServerName,
-	client *gomatrixserverlib.FederationClient,
+	client fedapi.FederationClient,
-	rsAPI api.RoomserverInternalAPI,
+	rsAPI api.FederationRoomserverAPI,
 	statistics *statistics.Statistics,
 	signing *SigningInfo,
 ) *OutgoingQueues {

federationapi/routing/query.go

@@ -30,7 +30,7 @@ import (
 // RoomAliasToID converts the queried alias into a room ID and returns it
 func RoomAliasToID(
 	httpReq *http.Request,
-	federation *gomatrixserverlib.FederationClient,
+	federation federationAPI.FederationClient,
 	cfg *config.FederationAPI,
 	rsAPI roomserverAPI.FederationRoomserverAPI,
 	senderAPI federationAPI.FederationInternalAPI,

federationapi/routing/routing.go

@@ -54,7 +54,7 @@ func Setup(
 	rsAPI roomserverAPI.FederationRoomserverAPI,
 	fsAPI *fedInternal.FederationInternalAPI,
 	keys gomatrixserverlib.JSONVerifier,
-	federation *gomatrixserverlib.FederationClient,
+	federation federationAPI.FederationClient,
 	userAPI userapi.FederationUserAPI,
 	keyAPI keyserverAPI.FederationKeyAPI,
 	mscCfg *config.MSCs,

federationapi/routing/send.go

@@ -85,7 +85,7 @@ func Send(
 	rsAPI api.FederationRoomserverAPI,
 	keyAPI keyapi.FederationKeyAPI,
 	keys gomatrixserverlib.JSONVerifier,
-	federation *gomatrixserverlib.FederationClient,
+	federation federationAPI.FederationClient,
 	mu *internal.MutexByRoom,
 	servers federationAPI.ServersInRoomProvider,
 	producer *producers.SyncAPIProducer,

federationapi/routing/send_test.go

@@ -8,8 +8,8 @@ import (
 	"time"
 
 	"github.com/matrix-org/dendrite/internal"
-	"github.com/matrix-org/dendrite/internal/test"
 	"github.com/matrix-org/dendrite/roomserver/api"
+	"github.com/matrix-org/dendrite/test"
 	"github.com/matrix-org/gomatrixserverlib"
 )
 

federationapi/routing/threepid.go

@@ -23,6 +23,7 @@ import (
 
 	"github.com/matrix-org/dendrite/clientapi/httputil"
 	"github.com/matrix-org/dendrite/clientapi/jsonerror"
+	federationAPI "github.com/matrix-org/dendrite/federationapi/api"
 	"github.com/matrix-org/dendrite/roomserver/api"
 	"github.com/matrix-org/dendrite/setup/config"
 	userapi "github.com/matrix-org/dendrite/userapi/api"
@@ -57,7 +58,7 @@ var (
 func CreateInvitesFrom3PIDInvites(
 	req *http.Request, rsAPI api.FederationRoomserverAPI,
 	cfg *config.FederationAPI,
-	federation *gomatrixserverlib.FederationClient,
+	federation federationAPI.FederationClient,
 	userAPI userapi.FederationUserAPI,
 ) util.JSONResponse {
 	var body invites
@@ -107,7 +108,7 @@ func ExchangeThirdPartyInvite(
 	roomID string,
 	rsAPI api.FederationRoomserverAPI,
 	cfg *config.FederationAPI,
-	federation *gomatrixserverlib.FederationClient,
+	federation federationAPI.FederationClient,
 ) util.JSONResponse {
 	var builder gomatrixserverlib.EventBuilder
 	if err := json.Unmarshal(request.Content(), &builder); err != nil {
@@ -165,7 +166,12 @@ func ExchangeThirdPartyInvite(
 
 	// Ask the requesting server to sign the newly created event so we know it
 	// acknowledged it
-	signedEvent, err := federation.SendInvite(httpReq.Context(), request.Origin(), event)
+	inviteReq, err := gomatrixserverlib.NewInviteV2Request(event.Headered(verRes.RoomVersion), nil)
+	if err != nil {
+		util.GetLogger(httpReq.Context()).WithError(err).Error("failed to make invite v2 request")
+		return jsonerror.InternalServerError()
+	}
+	signedEvent, err := federation.SendInviteV2(httpReq.Context(), request.Origin(), inviteReq)
 	if err != nil {
 		util.GetLogger(httpReq.Context()).WithError(err).Error("federation.SendInvite failed")
 		return jsonerror.InternalServerError()
@@ -205,7 +211,7 @@ func ExchangeThirdPartyInvite(
 func createInviteFrom3PIDInvite(
 	ctx context.Context, rsAPI api.FederationRoomserverAPI,
 	cfg *config.FederationAPI,
-	inv invite, federation *gomatrixserverlib.FederationClient,
+	inv invite, federation federationAPI.FederationClient,
 	userAPI userapi.FederationUserAPI,
 ) (*gomatrixserverlib.Event, error) {
 	verReq := api.QueryRoomVersionForRoomRequest{RoomID: inv.RoomID}
@@ -335,7 +341,7 @@ func buildMembershipEvent(
 // them responded with an error.
 func sendToRemoteServer(
 	ctx context.Context, inv invite,
-	federation *gomatrixserverlib.FederationClient, _ *config.FederationAPI,
+	federation federationAPI.FederationClient, _ *config.FederationAPI,
 	builder gomatrixserverlib.EventBuilder,
 ) (err error) {
 	remoteServers := make([]gomatrixserverlib.ServerName, 2)

federationapi/storage/interface.go

@@ -25,13 +25,12 @@ import (
 type Database interface {
 	gomatrixserverlib.KeyDatabase
 
-	UpdateRoom(ctx context.Context, roomID, oldEventID, newEventID string, addHosts []types.JoinedHost, removeHosts []string) (joinedHosts []types.JoinedHost, err error)
+	UpdateRoom(ctx context.Context, roomID string, addHosts []types.JoinedHost, removeHosts []string, purgeRoomFirst bool) (joinedHosts []types.JoinedHost, err error)
 
 	GetJoinedHosts(ctx context.Context, roomID string) ([]types.JoinedHost, error)
 	GetAllJoinedHosts(ctx context.Context) ([]gomatrixserverlib.ServerName, error)
 	// GetJoinedHostsForRooms returns the complete set of servers in the rooms given.
 	GetJoinedHostsForRooms(ctx context.Context, roomIDs []string, excludeSelf bool) ([]gomatrixserverlib.ServerName, error)
-	PurgeRoomState(ctx context.Context, roomID string) error
 
 	StoreJSON(ctx context.Context, js string) (*shared.Receipt, error)
 

federationapi/storage/postgres/joined_hosts_table.go

@@ -24,6 +24,7 @@ import (
 	"github.com/matrix-org/dendrite/internal"
 	"github.com/matrix-org/dendrite/internal/sqlutil"
 	"github.com/matrix-org/gomatrixserverlib"
+	"github.com/sirupsen/logrus"
 )
 
 const joinedHostsSchema = `
@@ -111,6 +112,7 @@ func (s *joinedHostsStatements) InsertJoinedHosts(
 	roomID, eventID string,
 	serverName gomatrixserverlib.ServerName,
 ) error {
+	logrus.Debugf("FederationJoinedHosts: INSERT %v %v %v", roomID, eventID, serverName)
 	stmt := sqlutil.TxStmt(txn, s.insertJoinedHostsStmt)
 	_, err := stmt.ExecContext(ctx, roomID, eventID, serverName)
 	return err
@@ -119,6 +121,7 @@ func (s *joinedHostsStatements) InsertJoinedHosts(
 func (s *joinedHostsStatements) DeleteJoinedHosts(
 	ctx context.Context, txn *sql.Tx, eventIDs []string,
 ) error {
+	logrus.Debugf("FederationJoinedHosts: DELETE WITH EVENTS %v", eventIDs)
 	stmt := sqlutil.TxStmt(txn, s.deleteJoinedHostsStmt)
 	_, err := stmt.ExecContext(ctx, pq.StringArray(eventIDs))
 	return err
@@ -127,6 +130,7 @@ func (s *joinedHostsStatements) DeleteJoinedHosts(
 func (s *joinedHostsStatements) DeleteJoinedHostsForRoom(
 	ctx context.Context, txn *sql.Tx, roomID string,
 ) error {
+	logrus.Debugf("FederationJoinedHosts: DELETE ALL IN ROOM %v", roomID)
 	stmt := sqlutil.TxStmt(txn, s.deleteJoinedHostsForRoomStmt)
 	_, err := stmt.ExecContext(ctx, roomID)
 	return err
@@ -207,6 +211,7 @@ func joinedHostsFromStmt(
 			ServerName:    gomatrixserverlib.ServerName(serverName),
 		})
 	}
+	logrus.Debugf("FederationJoinedHosts: SELECT %v => %+v", roomID, result)
 
 	return result, rows.Err()
 }

federationapi/storage/shared/storage.go

@@ -63,11 +63,21 @@ func (r *Receipt) String() string {
 // this isn't a duplicate message.
 func (d *Database) UpdateRoom(
 	ctx context.Context,
-	roomID, oldEventID, newEventID string,
+	roomID string,
 	addHosts []types.JoinedHost,
 	removeHosts []string,
+	purgeRoomFirst bool,
 ) (joinedHosts []types.JoinedHost, err error) {
 	err = d.Writer.Do(d.DB, nil, func(txn *sql.Tx) error {
+		if purgeRoomFirst {
+			// If the event is a create event then we'll delete all of the existing
+			// data for the room. The only reason that a create event would be replayed
+			// to us in this way is if we're about to receive the entire room state.
+			if err = d.FederationJoinedHosts.DeleteJoinedHostsForRoom(ctx, txn, roomID); err != nil {
+				return fmt.Errorf("d.FederationJoinedHosts.DeleteJoinedHosts: %w", err)
+			}
+		}
+
 		joinedHosts, err = d.FederationJoinedHosts.SelectJoinedHostsWithTx(ctx, txn, roomID)
 		if err != nil {
 			return err
@@ -138,20 +148,6 @@ func (d *Database) StoreJSON(
 	}, nil
 }
 
-func (d *Database) PurgeRoomState(
-	ctx context.Context, roomID string,
-) error {
-	return d.Writer.Do(d.DB, nil, func(txn *sql.Tx) error {
-		// If the event is a create event then we'll delete all of the existing
-		// data for the room. The only reason that a create event would be replayed
-		// to us in this way is if we're about to receive the entire room state.
-		if err := d.FederationJoinedHosts.DeleteJoinedHostsForRoom(ctx, txn, roomID); err != nil {
-			return fmt.Errorf("d.FederationJoinedHosts.DeleteJoinedHosts: %w", err)
-		}
-		return nil
-	})
-}
-
 func (d *Database) AddServerToBlacklist(serverName gomatrixserverlib.ServerName) error {
 	return d.Writer.Do(d.DB, nil, func(txn *sql.Tx) error {
 		return d.FederationBlacklist.InsertBlacklist(context.TODO(), txn, serverName)

internal/caching/cache_typing_test.go

@@ -20,7 +20,7 @@ import (
 	"testing"
 	"time"
 
-	"github.com/matrix-org/dendrite/internal/test"
+	"github.com/matrix-org/dendrite/test"
 )
 
 func TestEDUCache(t *testing.T) {

internal/test/client.go

@@ -1,158 +0,0 @@
-// Copyright 2017 Vector Creations Ltd
-//
-// 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 test
-
-import (
-	"crypto/tls"
-	"fmt"
-	"io"
-	"io/ioutil"
-	"net/http"
-	"sync"
-	"time"
-
-	"github.com/matrix-org/gomatrixserverlib"
-)
-
-// Request contains the information necessary to issue a request and test its result
-type Request struct {
-	Req              *http.Request
-	WantedBody       string
-	WantedStatusCode int
-	LastErr          *LastRequestErr
-}
-
-// LastRequestErr is a synchronised error wrapper
-// Useful for obtaining the last error from a set of requests
-type LastRequestErr struct {
-	sync.Mutex
-	Err error
-}
-
-// Set sets the error
-func (r *LastRequestErr) Set(err error) {
-	r.Lock()
-	defer r.Unlock()
-	r.Err = err
-}
-
-// Get gets the error
-func (r *LastRequestErr) Get() error {
-	r.Lock()
-	defer r.Unlock()
-	return r.Err
-}
-
-// CanonicalJSONInput canonicalises a slice of JSON strings
-// Useful for test input
-func CanonicalJSONInput(jsonData []string) []string {
-	for i := range jsonData {
-		jsonBytes, err := gomatrixserverlib.CanonicalJSON([]byte(jsonData[i]))
-		if err != nil && err != io.EOF {
-			panic(err)
-		}
-		jsonData[i] = string(jsonBytes)
-	}
-	return jsonData
-}
-
-// Do issues a request and checks the status code and body of the response
-func (r *Request) Do() (err error) {
-	client := &http.Client{
-		Timeout: 5 * time.Second,
-		Transport: &http.Transport{
-			TLSClientConfig: &tls.Config{
-				InsecureSkipVerify: true,
-			},
-		},
-	}
-	res, err := client.Do(r.Req)
-	if err != nil {
-		return err
-	}
-	defer (func() { err = res.Body.Close() })()
-
-	if res.StatusCode != r.WantedStatusCode {
-		return fmt.Errorf("incorrect status code. Expected: %d  Got: %d", r.WantedStatusCode, res.StatusCode)
-	}
-
-	if r.WantedBody != "" {
-		resBytes, err := ioutil.ReadAll(res.Body)
-		if err != nil {
-			return err
-		}
-		jsonBytes, err := gomatrixserverlib.CanonicalJSON(resBytes)
-		if err != nil {
-			return err
-		}
-		if string(jsonBytes) != r.WantedBody {
-			return fmt.Errorf("returned wrong bytes. Expected:\n%s\n\nGot:\n%s", r.WantedBody, string(jsonBytes))
-		}
-	}
-
-	return nil
-}
-
-// DoUntilSuccess blocks and repeats the same request until the response returns the desired status code and body.
-// It then closes the given channel and returns.
-func (r *Request) DoUntilSuccess(done chan error) {
-	r.LastErr = &LastRequestErr{}
-	for {
-		if err := r.Do(); err != nil {
-			r.LastErr.Set(err)
-			time.Sleep(1 * time.Second) // don't tightloop
-			continue
-		}
-		close(done)
-		return
-	}
-}
-
-// Run repeatedly issues a request until success, error or a timeout is reached
-func (r *Request) Run(label string, timeout time.Duration, serverCmdChan chan error) {
-	fmt.Printf("==TESTING== %v (timeout: %v)\n", label, timeout)
-	done := make(chan error, 1)
-
-	// We need to wait for the server to:
-	// - have connected to the database
-	// - have created the tables
-	// - be listening on the given port
-	go r.DoUntilSuccess(done)
-
-	// wait for one of:
-	// - the test to pass (done channel is closed)
-	// - the server to exit with an error (error sent on serverCmdChan)
-	// - our test timeout to expire
-	// We don't need to clean up since the main() function handles that in the event we panic
-	select {
-	case <-time.After(timeout):
-		fmt.Printf("==TESTING== %v TIMEOUT\n", label)
-		if reqErr := r.LastErr.Get(); reqErr != nil {
-			fmt.Println("Last /sync request error:")
-			fmt.Println(reqErr)
-		}
-		panic(fmt.Sprintf("%v server timed out", label))
-	case err := <-serverCmdChan:
-		if err != nil {
-			fmt.Println("=============================================================================================")
-			fmt.Printf("%v server failed to run. If failing with 'pq: password authentication failed for user' try:", label)
-			fmt.Println("    export PGHOST=/var/run/postgresql")
-			fmt.Println("=============================================================================================")
-			panic(err)
-		}
-	case <-done:
-		fmt.Printf("==TESTING== %v PASSED\n", label)
-	}
-}

internal/test/kafka.go

@@ -1,76 +0,0 @@
-// Copyright 2017 Vector Creations Ltd
-//
-// 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 test
-
-import (
-	"io"
-	"os/exec"
-	"path/filepath"
-	"strings"
-)
-
-// KafkaExecutor executes kafka scripts.
-type KafkaExecutor struct {
-	// The location of Zookeeper. Typically this is `localhost:2181`.
-	ZookeeperURI string
-	// The directory where Kafka is installed to. Used to locate kafka scripts.
-	KafkaDirectory string
-	// The location of the Kafka logs. Typically this is `localhost:9092`.
-	KafkaURI string
-	// Where stdout and stderr should be written to. Typically this is `os.Stderr`.
-	OutputWriter io.Writer
-}
-
-// CreateTopic creates a new kafka topic. This is created with a single partition.
-func (e *KafkaExecutor) CreateTopic(topic string) error {
-	cmd := exec.Command(
-		filepath.Join(e.KafkaDirectory, "bin", "kafka-topics.sh"),
-		"--create",
-		"--zookeeper", e.ZookeeperURI,
-		"--replication-factor", "1",
-		"--partitions", "1",
-		"--topic", topic,
-	)
-	cmd.Stdout = e.OutputWriter
-	cmd.Stderr = e.OutputWriter
-	return cmd.Run()
-}
-
-// WriteToTopic writes data to a kafka topic.
-func (e *KafkaExecutor) WriteToTopic(topic string, data []string) error {
-	cmd := exec.Command(
-		filepath.Join(e.KafkaDirectory, "bin", "kafka-console-producer.sh"),
-		"--broker-list", e.KafkaURI,
-		"--topic", topic,
-	)
-	cmd.Stdout = e.OutputWriter
-	cmd.Stderr = e.OutputWriter
-	cmd.Stdin = strings.NewReader(strings.Join(data, "\n"))
-	return cmd.Run()
-}
-
-// DeleteTopic deletes a given kafka topic if it exists.
-func (e *KafkaExecutor) DeleteTopic(topic string) error {
-	cmd := exec.Command(
-		filepath.Join(e.KafkaDirectory, "bin", "kafka-topics.sh"),
-		"--delete",
-		"--if-exists",
-		"--zookeeper", e.ZookeeperURI,
-		"--topic", topic,
-	)
-	cmd.Stderr = e.OutputWriter
-	cmd.Stdout = e.OutputWriter
-	return cmd.Run()
-}

internal/test/server.go

@@ -1,152 +0,0 @@
-// 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 test
-
-import (
-	"context"
-	"fmt"
-	"net"
-	"net/http"
-	"os"
-	"os/exec"
-	"path/filepath"
-	"strings"
-	"sync"
-	"testing"
-
-	"github.com/matrix-org/dendrite/setup/config"
-)
-
-// Defaulting allows assignment of string variables with a fallback default value
-// Useful for use with os.Getenv() for example
-func Defaulting(value, defaultValue string) string {
-	if value == "" {
-		value = defaultValue
-	}
-	return value
-}
-
-// CreateDatabase creates a new database, dropping it first if it exists
-func CreateDatabase(command string, args []string, database string) error {
-	cmd := exec.Command(command, args...)
-	cmd.Stdin = strings.NewReader(
-		fmt.Sprintf("DROP DATABASE IF EXISTS %s; CREATE DATABASE %s;", database, database),
-	)
-	// Send stdout and stderr to our stderr so that we see error messages from
-	// the psql process
-	cmd.Stdout = os.Stderr
-	cmd.Stderr = os.Stderr
-	return cmd.Run()
-}
-
-// CreateBackgroundCommand creates an executable command
-// The Cmd being executed is returned. A channel is also returned,
-// which will have any termination errors sent down it, followed immediately by the channel being closed.
-func CreateBackgroundCommand(command string, args []string) (*exec.Cmd, chan error) {
-	cmd := exec.Command(command, args...)
-	cmd.Stderr = os.Stderr
-	cmd.Stdout = os.Stderr
-
-	if err := cmd.Start(); err != nil {
-		panic("failed to start server: " + err.Error())
-	}
-	cmdChan := make(chan error, 1)
-	go func() {
-		cmdChan <- cmd.Wait()
-		close(cmdChan)
-	}()
-	return cmd, cmdChan
-}
-
-// InitDatabase creates the database and config file needed for the server to run
-func InitDatabase(postgresDatabase, postgresContainerName string, databases []string) {
-	if len(databases) > 0 {
-		var dbCmd string
-		var dbArgs []string
-		if postgresContainerName == "" {
-			dbCmd = "psql"
-			dbArgs = []string{postgresDatabase}
-		} else {
-			dbCmd = "docker"
-			dbArgs = []string{
-				"exec", "-i", postgresContainerName, "psql", "-U", "postgres", postgresDatabase,
-			}
-		}
-		for _, database := range databases {
-			if err := CreateDatabase(dbCmd, dbArgs, database); err != nil {
-				panic(err)
-			}
-		}
-	}
-}
-
-// StartProxy creates a reverse proxy
-func StartProxy(bindAddr string, cfg *config.Dendrite) (*exec.Cmd, chan error) {
-	proxyArgs := []string{
-		"--bind-address", bindAddr,
-		"--sync-api-server-url", "http://" + string(cfg.SyncAPI.InternalAPI.Connect),
-		"--client-api-server-url", "http://" + string(cfg.ClientAPI.InternalAPI.Connect),
-		"--media-api-server-url", "http://" + string(cfg.MediaAPI.InternalAPI.Connect),
-		"--tls-cert", "server.crt",
-		"--tls-key", "server.key",
-	}
-	return CreateBackgroundCommand(
-		filepath.Join(filepath.Dir(os.Args[0]), "client-api-proxy"),
-		proxyArgs,
-	)
-}
-
-// ListenAndServe will listen on a random high-numbered port and attach the given router.
-// Returns the base URL to send requests to. Call `cancel` to shutdown the server, which will block until it has closed.
-func ListenAndServe(t *testing.T, router http.Handler, useTLS bool) (apiURL string, cancel func()) {
-	listener, err := net.Listen("tcp", ":0")
-	if err != nil {
-		t.Fatalf("failed to listen: %s", err)
-	}
-	port := listener.Addr().(*net.TCPAddr).Port
-	srv := http.Server{}
-
-	var wg sync.WaitGroup
-	wg.Add(1)
-	go func() {
-		defer wg.Done()
-		srv.Handler = router
-		var err error
-		if useTLS {
-			certFile := filepath.Join(os.TempDir(), "dendrite.cert")
-			keyFile := filepath.Join(os.TempDir(), "dendrite.key")
-			err = NewTLSKey(keyFile, certFile)
-			if err != nil {
-				t.Logf("failed to generate tls key/cert: %s", err)
-				return
-			}
-			err = srv.ServeTLS(listener, certFile, keyFile)
-		} else {
-			err = srv.Serve(listener)
-		}
-		if err != nil && err != http.ErrServerClosed {
-			t.Logf("Listen failed: %s", err)
-		}
-	}()
-
-	secure := ""
-	if useTLS {
-		secure = "s"
-	}
-	return fmt.Sprintf("http%s://localhost:%d", secure, port), func() {
-		_ = srv.Shutdown(context.Background())
-		wg.Wait()
-	}
-}

keyserver/internal/device_list_update.go

@@ -84,7 +84,7 @@ type DeviceListUpdater struct {
 	db          DeviceListUpdaterDatabase
 	api         DeviceListUpdaterAPI
 	producer    KeyChangeProducer
-	fedClient   fedsenderapi.FederationClient
+	fedClient   fedsenderapi.KeyserverFederationAPI
 	workerChans []chan gomatrixserverlib.ServerName
 
 	// When device lists are stale for a user, they get inserted into this map with a channel which `Update` will
@@ -127,7 +127,7 @@ type KeyChangeProducer interface {
 // NewDeviceListUpdater creates a new updater which fetches fresh device lists when they go stale.
 func NewDeviceListUpdater(
 	db DeviceListUpdaterDatabase, api DeviceListUpdaterAPI, producer KeyChangeProducer,
-	fedClient fedsenderapi.FederationClient, numWorkers int,
+	fedClient fedsenderapi.KeyserverFederationAPI, numWorkers int,
 ) *DeviceListUpdater {
 	return &DeviceListUpdater{
 		userIDToMutex:  make(map[string]*sync.Mutex),

keyserver/internal/internal.go

@@ -37,7 +37,7 @@ import (
 type KeyInternalAPI struct {
 	DB         storage.Database
 	ThisServer gomatrixserverlib.ServerName
-	FedClient  fedsenderapi.FederationClient
+	FedClient  fedsenderapi.KeyserverFederationAPI
 	UserAPI    userapi.KeyserverUserAPI
 	Producer   *producers.KeyChange
 	Updater    *DeviceListUpdater

keyserver/keyserver.go

@@ -37,7 +37,7 @@ func AddInternalRoutes(router *mux.Router, intAPI api.KeyInternalAPI) {
 // NewInternalAPI returns a concerete implementation of the internal API. Callers
 // can call functions directly on the returned API or via an HTTP interface using AddInternalRoutes.
 func NewInternalAPI(
-	base *base.BaseDendrite, cfg *config.KeyServer, fedClient fedsenderapi.FederationClient,
+	base *base.BaseDendrite, cfg *config.KeyServer, fedClient fedsenderapi.KeyserverFederationAPI,
 ) api.KeyInternalAPI {
 	js, _ := base.NATS.Prepare(base.ProcessContext, &cfg.Matrix.JetStream)
 

roomserver/api/api.go

@@ -183,6 +183,7 @@ type FederationRoomserverAPI interface {
 	QueryMissingEvents(ctx context.Context, req *QueryMissingEventsRequest, res *QueryMissingEventsResponse) error
 	// Query whether a server is allowed to see an event
 	QueryServerAllowedToSeeEvent(ctx context.Context, req *QueryServerAllowedToSeeEventRequest, res *QueryServerAllowedToSeeEventResponse) error
+	QueryRoomsForUser(ctx context.Context, req *QueryRoomsForUserRequest, res *QueryRoomsForUserResponse) error
 	PerformInboundPeek(ctx context.Context, req *PerformInboundPeekRequest, res *PerformInboundPeekResponse) error
 	PerformInvite(ctx context.Context, req *PerformInviteRequest, res *PerformInviteResponse) error
 	// Query a given amount (or less) of events prior to a given set of events.

roomserver/internal/input/input_test.go

@@ -12,7 +12,7 @@ import (
 	"github.com/matrix-org/dendrite/roomserver/storage"
 	"github.com/matrix-org/dendrite/setup/base"
 	"github.com/matrix-org/dendrite/setup/config"
-	"github.com/matrix-org/dendrite/test"
+	"github.com/matrix-org/dendrite/test/testrig"
 	"github.com/matrix-org/gomatrixserverlib"
 	"github.com/nats-io/nats.go"
 )
@@ -22,7 +22,7 @@ var jc *nats.Conn
 
 func TestMain(m *testing.M) {
 	var b *base.BaseDendrite
-	b, js, jc = test.Base(nil)
+	b, js, jc = testrig.Base(nil)
 	code := m.Run()
 	b.ShutdownDendrite()
 	b.WaitForComponentsToFinish()

roomserver/internal/query/query_test.go

@@ -19,8 +19,8 @@ import (
 	"encoding/json"
 	"testing"
 
-	"github.com/matrix-org/dendrite/internal/test"
 	"github.com/matrix-org/dendrite/roomserver/types"
+	"github.com/matrix-org/dendrite/test"
 	"github.com/matrix-org/gomatrixserverlib"
 )
 

roomserver/storage/tables/events_table_test.go

@@ -39,7 +39,7 @@ func mustCreateEventsTable(t *testing.T, dbType test.DBType) (tables.Events, fun
 }
 
 func Test_EventsTable(t *testing.T) {
-	alice := test.NewUser()
+	alice := test.NewUser(t)
 	room := test.NewRoom(t, alice)
 	ctx := context.Background()
 	test.WithAllDatabases(t, func(t *testing.T, dbType test.DBType) {

roomserver/storage/tables/previous_events_table_test.go

@@ -38,7 +38,7 @@ func mustCreatePreviousEventsTable(t *testing.T, dbType test.DBType) (tab tables
 
 func TestPreviousEventsTable(t *testing.T) {
 	ctx := context.Background()
-	alice := test.NewUser()
+	alice := test.NewUser(t)
 	room := test.NewRoom(t, alice)
 	test.WithAllDatabases(t, func(t *testing.T, dbType test.DBType) {
 		tab, close := mustCreatePreviousEventsTable(t, dbType)

roomserver/storage/tables/published_table_test.go

@@ -38,7 +38,7 @@ func mustCreatePublishedTable(t *testing.T, dbType test.DBType) (tab tables.Publ
 
 func TestPublishedTable(t *testing.T) {
 	ctx := context.Background()
-	alice := test.NewUser()
+	alice := test.NewUser(t)
 
 	test.WithAllDatabases(t, func(t *testing.T, dbType test.DBType) {
 		tab, close := mustCreatePublishedTable(t, dbType)

roomserver/storage/tables/room_aliases_table_test.go

@@ -36,7 +36,7 @@ func mustCreateRoomAliasesTable(t *testing.T, dbType test.DBType) (tab tables.Ro
 }
 
 func TestRoomAliasesTable(t *testing.T) {
-	alice := test.NewUser()
+	alice := test.NewUser(t)
 	room := test.NewRoom(t, alice)
 	room2 := test.NewRoom(t, alice)
 	ctx := context.Background()

roomserver/storage/tables/rooms_table_test.go

@@ -38,7 +38,7 @@ func mustCreateRoomsTable(t *testing.T, dbType test.DBType) (tab tables.Rooms, c
 }
 
 func TestRoomsTable(t *testing.T) {
-	alice := test.NewUser()
+	alice := test.NewUser(t)
 	room := test.NewRoom(t, alice)
 	ctx := context.Background()
 	test.WithAllDatabases(t, func(t *testing.T, dbType test.DBType) {

syncapi/storage/storage_test.go

@@ -47,7 +47,7 @@ func MustWriteEvents(t *testing.T, db storage.Database, events []*gomatrixserver
 
 func TestWriteEvents(t *testing.T) {
 	test.WithAllDatabases(t, func(t *testing.T, dbType test.DBType) {
-		alice := test.NewUser()
+		alice := test.NewUser(t)
 		r := test.NewRoom(t, alice)
 		db, close := MustCreateDatabase(t, dbType)
 		defer close()
@@ -60,7 +60,7 @@ func TestRecentEventsPDU(t *testing.T) {
 	test.WithAllDatabases(t, func(t *testing.T, dbType test.DBType) {
 		db, close := MustCreateDatabase(t, dbType)
 		defer close()
-		alice := test.NewUser()
+		alice := test.NewUser(t)
 		// dummy room to make sure SQL queries are filtering on room ID
 		MustWriteEvents(t, db, test.NewRoom(t, alice).Events())
 
@@ -163,7 +163,7 @@ func TestGetEventsInRangeWithTopologyToken(t *testing.T) {
 	test.WithAllDatabases(t, func(t *testing.T, dbType test.DBType) {
 		db, close := MustCreateDatabase(t, dbType)
 		defer close()
-		alice := test.NewUser()
+		alice := test.NewUser(t)
 		r := test.NewRoom(t, alice)
 		for i := 0; i < 10; i++ {
 			r.CreateAndInsert(t, alice, "m.room.message", map[string]interface{}{"body": fmt.Sprintf("hi %d", i)})

syncapi/storage/tables/output_room_events_test.go

@@ -45,7 +45,7 @@ func newOutputRoomEventsTable(t *testing.T, dbType test.DBType) (tables.Events,
 
 func TestOutputRoomEventsTable(t *testing.T) {
 	ctx := context.Background()
-	alice := test.NewUser()
+	alice := test.NewUser(t)
 	room := test.NewRoom(t, alice)
 	test.WithAllDatabases(t, func(t *testing.T, dbType test.DBType) {
 		tab, db, close := newOutputRoomEventsTable(t, dbType)

syncapi/storage/tables/topology_test.go

@@ -40,7 +40,7 @@ func newTopologyTable(t *testing.T, dbType test.DBType) (tables.Topology, *sql.D
 
 func TestTopologyTable(t *testing.T) {
 	ctx := context.Background()
-	alice := test.NewUser()
+	alice := test.NewUser(t)
 	room := test.NewRoom(t, alice)
 	test.WithAllDatabases(t, func(t *testing.T, dbType test.DBType) {
 		tab, db, close := newTopologyTable(t, dbType)

syncapi/syncapi_test.go

@@ -15,6 +15,7 @@ import (
 	"github.com/matrix-org/dendrite/setup/jetstream"
 	"github.com/matrix-org/dendrite/syncapi/types"
 	"github.com/matrix-org/dendrite/test"
+	"github.com/matrix-org/dendrite/test/testrig"
 	userapi "github.com/matrix-org/dendrite/userapi/api"
 	"github.com/matrix-org/gomatrixserverlib"
 	"github.com/nats-io/nats.go"
@@ -86,7 +87,7 @@ func TestSyncAPIAccessTokens(t *testing.T) {
 }
 
 func testSyncAccessTokens(t *testing.T, dbType test.DBType) {
-	user := test.NewUser()
+	user := test.NewUser(t)
 	room := test.NewRoom(t, user)
 	alice := userapi.Device{
 		ID:          "ALICEID",
@@ -96,14 +97,14 @@ func testSyncAccessTokens(t *testing.T, dbType test.DBType) {
 		AccountType: userapi.AccountTypeUser,
 	}
 
-	base, close := test.CreateBaseDendrite(t, dbType)
+	base, close := testrig.CreateBaseDendrite(t, dbType)
 	defer close()
 
 	jsctx, _ := base.NATS.Prepare(base.ProcessContext, &base.Cfg.Global.JetStream)
 	defer jetstream.DeleteAllStreams(jsctx, &base.Cfg.Global.JetStream)
 	msgs := toNATSMsgs(t, base, room.Events())
 	AddPublicRoutes(base, &syncUserAPI{accounts: []userapi.Device{alice}}, &syncRoomserverAPI{rooms: []*test.Room{room}}, &syncKeyAPI{})
-	test.MustPublishMsgs(t, jsctx, msgs...)
+	testrig.MustPublishMsgs(t, jsctx, msgs...)
 
 	testCases := []struct {
 		name            string
@@ -173,7 +174,7 @@ func TestSyncAPICreateRoomSyncEarly(t *testing.T) {
 }
 
 func testSyncAPICreateRoomSyncEarly(t *testing.T, dbType test.DBType) {
-	user := test.NewUser()
+	user := test.NewUser(t)
 	room := test.NewRoom(t, user)
 	alice := userapi.Device{
 		ID:          "ALICEID",
@@ -183,7 +184,7 @@ func testSyncAPICreateRoomSyncEarly(t *testing.T, dbType test.DBType) {
 		AccountType: userapi.AccountTypeUser,
 	}
 
-	base, close := test.CreateBaseDendrite(t, dbType)
+	base, close := testrig.CreateBaseDendrite(t, dbType)
 	defer close()
 
 	jsctx, _ := base.NATS.Prepare(base.ProcessContext, &base.Cfg.Global.JetStream)
@@ -198,7 +199,7 @@ func testSyncAPICreateRoomSyncEarly(t *testing.T, dbType test.DBType) {
 	sinceTokens := make([]string, len(msgs))
 	AddPublicRoutes(base, &syncUserAPI{accounts: []userapi.Device{alice}}, &syncRoomserverAPI{rooms: []*test.Room{room}}, &syncKeyAPI{})
 	for i, msg := range msgs {
-		test.MustPublishMsgs(t, jsctx, msg)
+		testrig.MustPublishMsgs(t, jsctx, msg)
 		time.Sleep(100 * time.Millisecond)
 		w := httptest.NewRecorder()
 		base.PublicClientAPIMux.ServeHTTP(w, test.NewRequest(t, "GET", "/_matrix/client/v3/sync", test.WithQueryParams(map[string]string{
@@ -262,7 +263,7 @@ func toNATSMsgs(t *testing.T, base *base.BaseDendrite, input []*gomatrixserverli
 		if ev.StateKey() != nil {
 			addsStateIDs = append(addsStateIDs, ev.EventID())
 		}
-		result[i] = test.NewOutputEventMsg(t, base, ev.RoomID(), api.OutputEvent{
+		result[i] = testrig.NewOutputEventMsg(t, base, ev.RoomID(), api.OutputEvent{
 			Type: rsapi.OutputTypeNewRoomEvent,
 			NewRoomEvent: &rsapi.OutputNewRoomEvent{
 				Event:             ev,

test/event.go

@@ -52,6 +52,24 @@ func WithUnsigned(unsigned interface{}) eventModifier {
 	}
 }
 
+func WithKeyID(keyID gomatrixserverlib.KeyID) eventModifier {
+	return func(e *eventMods) {
+		e.keyID = keyID
+	}
+}
+
+func WithPrivateKey(pkey ed25519.PrivateKey) eventModifier {
+	return func(e *eventMods) {
+		e.privKey = pkey
+	}
+}
+
+func WithOrigin(origin gomatrixserverlib.ServerName) eventModifier {
+	return func(e *eventMods) {
+		e.origin = origin
+	}
+}
+
 // Reverse a list of events
 func Reversed(in []*gomatrixserverlib.HeaderedEvent) []*gomatrixserverlib.HeaderedEvent {
 	out := make([]*gomatrixserverlib.HeaderedEvent, len(in))

test/http.go

@@ -2,10 +2,15 @@ package test
 
 import (
 	"bytes"
+	"context"
 	"encoding/json"
+	"fmt"
 	"io"
+	"net"
 	"net/http"
 	"net/url"
+	"path/filepath"
+	"sync"
 	"testing"
 )
 
@@ -43,3 +48,45 @@ func NewRequest(t *testing.T, method, path string, opts ...HTTPRequestOpt) *http
 	}
 	return req
 }
+
+// ListenAndServe will listen on a random high-numbered port and attach the given router.
+// Returns the base URL to send requests to. Call `cancel` to shutdown the server, which will block until it has closed.
+func ListenAndServe(t *testing.T, router http.Handler, withTLS bool) (apiURL string, cancel func()) {
+	listener, err := net.Listen("tcp", ":0")
+	if err != nil {
+		t.Fatalf("failed to listen: %s", err)
+	}
+	port := listener.Addr().(*net.TCPAddr).Port
+	srv := http.Server{}
+
+	var wg sync.WaitGroup
+	wg.Add(1)
+	go func() {
+		defer wg.Done()
+		srv.Handler = router
+		var err error
+		if withTLS {
+			certFile := filepath.Join(t.TempDir(), "dendrite.cert")
+			keyFile := filepath.Join(t.TempDir(), "dendrite.key")
+			err = NewTLSKey(keyFile, certFile)
+			if err != nil {
+				t.Errorf("failed to make TLS key: %s", err)
+				return
+			}
+			err = srv.ServeTLS(listener, certFile, keyFile)
+		} else {
+			err = srv.Serve(listener)
+		}
+		if err != nil && err != http.ErrServerClosed {
+			t.Logf("Listen failed: %s", err)
+		}
+	}()
+	s := ""
+	if withTLS {
+		s = "s"
+	}
+	return fmt.Sprintf("http%s://localhost:%d", s, port), func() {
+		_ = srv.Shutdown(context.Background())
+		wg.Wait()
+	}
+}

test/keys.go

@@ -25,103 +25,19 @@ import (
 	"io/ioutil"
 	"math/big"
 	"os"
-	"path/filepath"
 	"strings"
 	"time"
-
-	"github.com/matrix-org/dendrite/setup/config"
-	"github.com/matrix-org/gomatrixserverlib"
-	"gopkg.in/yaml.v2"
 )
 
 const (
-	// ConfigFile is the name of the config file for a server.
-	ConfigFile = "dendrite.yaml"
 	// ServerKeyFile is the name of the file holding the matrix server private key.
 	ServerKeyFile = "server_key.pem"
 	// TLSCertFile is the name of the file holding the TLS certificate used for federation.
 	TLSCertFile = "tls_cert.pem"
 	// TLSKeyFile is the name of the file holding the TLS key used for federation.
 	TLSKeyFile = "tls_key.pem"
-	// MediaDir is the name of the directory used to store media.
-	MediaDir = "media"
 )
 
-// MakeConfig makes a config suitable for running integration tests.
-// Generates new matrix and TLS keys for the server.
-func MakeConfig(configDir, kafkaURI, database, host string, startPort int) (*config.Dendrite, int, error) {
-	var cfg config.Dendrite
-	cfg.Defaults(true)
-
-	port := startPort
-	assignAddress := func() config.HTTPAddress {
-		result := config.HTTPAddress(fmt.Sprintf("http://%s:%d", host, port))
-		port++
-		return result
-	}
-
-	serverKeyPath := filepath.Join(configDir, ServerKeyFile)
-	tlsCertPath := filepath.Join(configDir, TLSKeyFile)
-	tlsKeyPath := filepath.Join(configDir, TLSCertFile)
-	mediaBasePath := filepath.Join(configDir, MediaDir)
-
-	if err := NewMatrixKey(serverKeyPath); err != nil {
-		return nil, 0, err
-	}
-
-	if err := NewTLSKey(tlsKeyPath, tlsCertPath); err != nil {
-		return nil, 0, err
-	}
-
-	cfg.Version = config.Version
-
-	cfg.Global.ServerName = gomatrixserverlib.ServerName(assignAddress())
-	cfg.Global.PrivateKeyPath = config.Path(serverKeyPath)
-
-	cfg.MediaAPI.BasePath = config.Path(mediaBasePath)
-
-	cfg.Global.JetStream.Addresses = []string{kafkaURI}
-
-	// TODO: Use different databases for the different schemas.
-	// Using the same database for every schema currently works because
-	// the table names are globally unique. But we might not want to
-	// rely on that in the future.
-	cfg.AppServiceAPI.Database.ConnectionString = config.DataSource(database)
-	cfg.FederationAPI.Database.ConnectionString = config.DataSource(database)
-	cfg.KeyServer.Database.ConnectionString = config.DataSource(database)
-	cfg.MediaAPI.Database.ConnectionString = config.DataSource(database)
-	cfg.RoomServer.Database.ConnectionString = config.DataSource(database)
-	cfg.SyncAPI.Database.ConnectionString = config.DataSource(database)
-	cfg.UserAPI.AccountDatabase.ConnectionString = config.DataSource(database)
-
-	cfg.AppServiceAPI.InternalAPI.Listen = assignAddress()
-	cfg.FederationAPI.InternalAPI.Listen = assignAddress()
-	cfg.KeyServer.InternalAPI.Listen = assignAddress()
-	cfg.MediaAPI.InternalAPI.Listen = assignAddress()
-	cfg.RoomServer.InternalAPI.Listen = assignAddress()
-	cfg.SyncAPI.InternalAPI.Listen = assignAddress()
-	cfg.UserAPI.InternalAPI.Listen = assignAddress()
-
-	cfg.AppServiceAPI.InternalAPI.Connect = cfg.AppServiceAPI.InternalAPI.Listen
-	cfg.FederationAPI.InternalAPI.Connect = cfg.FederationAPI.InternalAPI.Listen
-	cfg.KeyServer.InternalAPI.Connect = cfg.KeyServer.InternalAPI.Listen
-	cfg.MediaAPI.InternalAPI.Connect = cfg.MediaAPI.InternalAPI.Listen
-	cfg.RoomServer.InternalAPI.Connect = cfg.RoomServer.InternalAPI.Listen
-	cfg.SyncAPI.InternalAPI.Connect = cfg.SyncAPI.InternalAPI.Listen
-	cfg.UserAPI.InternalAPI.Connect = cfg.UserAPI.InternalAPI.Listen
-
-	return &cfg, port, nil
-}
-
-// WriteConfig writes the config file to the directory.
-func WriteConfig(cfg *config.Dendrite, configDir string) error {
-	data, err := yaml.Marshal(cfg)
-	if err != nil {
-		return err
-	}
-	return ioutil.WriteFile(filepath.Join(configDir, ConfigFile), data, 0666)
-}
-
 // NewMatrixKey generates a new ed25519 matrix server key and writes it to a file.
 func NewMatrixKey(matrixKeyPath string) (err error) {
 	var data [35]byte

test/room.go

@@ -15,7 +15,6 @@
 package test
 
 import (
-	"crypto/ed25519"
 	"encoding/json"
 	"fmt"
 	"sync/atomic"
@@ -35,12 +34,6 @@ var (
 	PresetTrustedPrivateChat Preset = 3
 
 	roomIDCounter = int64(0)
-
-	testKeyID      = gomatrixserverlib.KeyID("ed25519:test")
-	testPrivateKey = ed25519.NewKeyFromSeed([]byte{
-		1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
-		17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32,
-	})
 )
 
 type Room struct {
@@ -50,6 +43,7 @@ type Room struct {
 	creator *User
 
 	authEvents   gomatrixserverlib.AuthEvents
+	currentState map[string]*gomatrixserverlib.HeaderedEvent
 	events       []*gomatrixserverlib.HeaderedEvent
 }
 
@@ -57,14 +51,16 @@ type Room struct {
 func NewRoom(t *testing.T, creator *User, modifiers ...roomModifier) *Room {
 	t.Helper()
 	counter := atomic.AddInt64(&roomIDCounter, 1)
-
+	if creator.srvName == "" {
-	// set defaults then let roomModifiers override
+		t.Fatalf("NewRoom: creator doesn't belong to a server: %+v", *creator)
+	}
 	r := &Room{
-		ID:         fmt.Sprintf("!%d:localhost", counter),
+		ID:           fmt.Sprintf("!%d:%s", counter, creator.srvName),
 		creator:      creator,
 		authEvents:   gomatrixserverlib.NewAuthEvents(nil),
 		preset:       PresetPublicChat,
 		Version:      gomatrixserverlib.RoomVersionV9,
+		currentState: make(map[string]*gomatrixserverlib.HeaderedEvent),
 	}
 	for _, m := range modifiers {
 		m(t, r)
@@ -73,6 +69,24 @@ func NewRoom(t *testing.T, creator *User, modifiers ...roomModifier) *Room {
 	return r
 }
 
+func (r *Room) MustGetAuthEventRefsForEvent(t *testing.T, needed gomatrixserverlib.StateNeeded) []gomatrixserverlib.EventReference {
+	t.Helper()
+	a, err := needed.AuthEventReferences(&r.authEvents)
+	if err != nil {
+		t.Fatalf("MustGetAuthEvents: %v", err)
+	}
+	return a
+}
+
+func (r *Room) ForwardExtremities() []string {
+	if len(r.events) == 0 {
+		return nil
+	}
+	return []string{
+		r.events[len(r.events)-1].EventID(),
+	}
+}
+
 func (r *Room) insertCreateEvents(t *testing.T) {
 	t.Helper()
 	var joinRule gomatrixserverlib.JoinRuleContent
@@ -88,6 +102,7 @@ func (r *Room) insertCreateEvents(t *testing.T) {
 		joinRule.JoinRule = "public"
 		hisVis.HistoryVisibility = "shared"
 	}
+
 	r.CreateAndInsert(t, r.creator, gomatrixserverlib.MRoomCreate, map[string]interface{}{
 		"creator":      r.creator.ID,
 		"room_version": r.Version,
@@ -112,16 +127,16 @@ func (r *Room) CreateEvent(t *testing.T, creator *User, eventType string, conten
 	}
 
 	if mod.privKey == nil {
-		mod.privKey = testPrivateKey
+		mod.privKey = creator.privKey
 	}
 	if mod.keyID == "" {
-		mod.keyID = testKeyID
+		mod.keyID = creator.keyID
 	}
 	if mod.originServerTS.IsZero() {
 		mod.originServerTS = time.Now()
 	}
 	if mod.origin == "" {
-		mod.origin = gomatrixserverlib.ServerName("localhost")
+		mod.origin = creator.srvName
 	}
 
 	var unsigned gomatrixserverlib.RawJSON
@@ -174,13 +189,14 @@ func (r *Room) CreateEvent(t *testing.T, creator *User, eventType string, conten
 // Add a new event to this room DAG. Not thread-safe.
 func (r *Room) InsertEvent(t *testing.T, he *gomatrixserverlib.HeaderedEvent) {
 	t.Helper()
-	// Add the event to the list of auth events
+	// Add the event to the list of auth/state events
 	r.events = append(r.events, he)
 	if he.StateKey() != nil {
 		err := r.authEvents.AddEvent(he.Unwrap())
 		if err != nil {
 			t.Fatalf("InsertEvent: failed to add event to auth events: %s", err)
 		}
+		r.currentState[he.Type()+" "+*he.StateKey()] = he
 	}
 }
 
@@ -188,6 +204,16 @@ func (r *Room) Events() []*gomatrixserverlib.HeaderedEvent {
 	return r.events
 }
 
+func (r *Room) CurrentState() []*gomatrixserverlib.HeaderedEvent {
+	events := make([]*gomatrixserverlib.HeaderedEvent, len(r.currentState))
+	i := 0
+	for _, e := range r.currentState {
+		events[i] = e
+		i++
+	}
+	return events
+}
+
 func (r *Room) CreateAndInsert(t *testing.T, creator *User, eventType string, content interface{}, mods ...eventModifier) *gomatrixserverlib.HeaderedEvent {
 	t.Helper()
 	he := r.CreateEvent(t, creator, eventType, content, mods...)

test/testrig/base.go

@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package test
+package testrig
 
 import (
 	"errors"
@@ -24,22 +24,23 @@ import (
 
 	"github.com/matrix-org/dendrite/setup/base"
 	"github.com/matrix-org/dendrite/setup/config"
+	"github.com/matrix-org/dendrite/test"
 	"github.com/nats-io/nats.go"
 )
 
-func CreateBaseDendrite(t *testing.T, dbType DBType) (*base.BaseDendrite, func()) {
+func CreateBaseDendrite(t *testing.T, dbType test.DBType) (*base.BaseDendrite, func()) {
 	var cfg config.Dendrite
 	cfg.Defaults(false)
 	cfg.Global.JetStream.InMemory = true
 
 	switch dbType {
-	case DBTypePostgres:
+	case test.DBTypePostgres:
 		cfg.Global.Defaults(true)   // autogen a signing key
 		cfg.MediaAPI.Defaults(true) // autogen a media path
 		// use a distinct prefix else concurrent postgres/sqlite runs will clash since NATS will use
 		// the file system event with InMemory=true :(
 		cfg.Global.JetStream.TopicPrefix = fmt.Sprintf("Test_%d_", dbType)
-		connStr, close := PrepareDBConnectionString(t, dbType)
+		connStr, close := test.PrepareDBConnectionString(t, dbType)
 		cfg.Global.DatabaseOptions = config.DatabaseOptions{
 			ConnectionString:       config.DataSource(connStr),
 			MaxOpenConnections:     10,
@@ -47,7 +48,7 @@ func CreateBaseDendrite(t *testing.T, dbType DBType) (*base.BaseDendrite, func()
 			ConnMaxLifetimeSeconds: 60,
 		}
 		return base.NewBaseDendrite(&cfg, "Test", base.DisableMetrics), close
-	case DBTypeSQLite:
+	case test.DBTypeSQLite:
 		cfg.Defaults(true) // sets a sqlite db per component
 		// use a distinct prefix else concurrent postgres/sqlite runs will clash since NATS will use
 		// the file system event with InMemory=true :(

test/testrig/jetstream.go

@@ -1,4 +1,4 @@
-package test
+package testrig
 
 import (
 	"encoding/json"

test/user.go

@@ -15,22 +15,64 @@
 package test
 
 import (
+	"crypto/ed25519"
 	"fmt"
 	"sync/atomic"
+	"testing"
+
+	"github.com/matrix-org/gomatrixserverlib"
 )
 
 var (
 	userIDCounter = int64(0)
+
+	serverName = gomatrixserverlib.ServerName("test")
+	keyID      = gomatrixserverlib.KeyID("ed25519:test")
+	privateKey = ed25519.NewKeyFromSeed([]byte{
+		1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
+		17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32,
+	})
+
+	// private keys that tests can use
+	PrivateKeyA = ed25519.NewKeyFromSeed([]byte{
+		1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
+		17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 77,
+	})
+	PrivateKeyB = ed25519.NewKeyFromSeed([]byte{
+		1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
+		17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 66,
+	})
 )
 
 type User struct {
 	ID string
+	// key ID and private key of the server who has this user, if known.
+	keyID   gomatrixserverlib.KeyID
+	privKey ed25519.PrivateKey
+	srvName gomatrixserverlib.ServerName
 }
 
-func NewUser() *User {
+type UserOpt func(*User)
+
+func WithSigningServer(srvName gomatrixserverlib.ServerName, keyID gomatrixserverlib.KeyID, privKey ed25519.PrivateKey) UserOpt {
+	return func(u *User) {
+		u.keyID = keyID
+		u.privKey = privKey
+		u.srvName = srvName
+	}
+}
+
+func NewUser(t *testing.T, opts ...UserOpt) *User {
 	counter := atomic.AddInt64(&userIDCounter, 1)
-	u := &User{
+	var u User
-		ID: fmt.Sprintf("@%d:localhost", counter),
+	for _, opt := range opts {
+		opt(&u)
 	}
-	return u
+	if u.keyID == "" || u.srvName == "" || u.privKey == nil {
+		t.Logf("NewUser: missing signing server credentials; using default.")
+		WithSigningServer(serverName, keyID, privateKey)(&u)
+	}
+	u.ID = fmt.Sprintf("@%d:%s", counter, u.srvName)
+	t.Logf("NewUser: created user %s", u.ID)
+	return &u
 }

userapi/storage/storage_test.go

@@ -43,7 +43,7 @@ func Test_AccountData(t *testing.T) {
 	test.WithAllDatabases(t, func(t *testing.T, dbType test.DBType) {
 		db, close := mustCreateDatabase(t, dbType)
 		defer close()
-		alice := test.NewUser()
+		alice := test.NewUser(t)
 		localpart, _, err := gomatrixserverlib.SplitID('@', alice.ID)
 		assert.NoError(t, err)
 
@@ -74,7 +74,7 @@ func Test_Accounts(t *testing.T) {
 	test.WithAllDatabases(t, func(t *testing.T, dbType test.DBType) {
 		db, close := mustCreateDatabase(t, dbType)
 		defer close()
-		alice := test.NewUser()
+		alice := test.NewUser(t)
 		aliceLocalpart, _, err := gomatrixserverlib.SplitID('@', alice.ID)
 		assert.NoError(t, err)
 
@@ -128,7 +128,7 @@ func Test_Accounts(t *testing.T) {
 }
 
 func Test_Devices(t *testing.T) {
-	alice := test.NewUser()
+	alice := test.NewUser(t)
 	localpart, _, err := gomatrixserverlib.SplitID('@', alice.ID)
 	assert.NoError(t, err)
 	deviceID := util.RandomString(8)
@@ -212,7 +212,7 @@ func Test_Devices(t *testing.T) {
 }
 
 func Test_KeyBackup(t *testing.T) {
-	alice := test.NewUser()
+	alice := test.NewUser(t)
 	room := test.NewRoom(t, alice)
 
 	test.WithAllDatabases(t, func(t *testing.T, dbType test.DBType) {
@@ -291,7 +291,7 @@ func Test_KeyBackup(t *testing.T) {
 }
 
 func Test_LoginToken(t *testing.T) {
-	alice := test.NewUser()
+	alice := test.NewUser(t)
 	test.WithAllDatabases(t, func(t *testing.T, dbType test.DBType) {
 		db, close := mustCreateDatabase(t, dbType)
 		defer close()
@@ -321,7 +321,7 @@ func Test_LoginToken(t *testing.T) {
 }
 
 func Test_OpenID(t *testing.T) {
-	alice := test.NewUser()
+	alice := test.NewUser(t)
 	token := util.RandomString(24)
 
 	test.WithAllDatabases(t, func(t *testing.T, dbType test.DBType) {
@@ -341,7 +341,7 @@ func Test_OpenID(t *testing.T) {
 }
 
 func Test_Profile(t *testing.T) {
-	alice := test.NewUser()
+	alice := test.NewUser(t)
 	aliceLocalpart, _, err := gomatrixserverlib.SplitID('@', alice.ID)
 	assert.NoError(t, err)
 
@@ -379,7 +379,7 @@ func Test_Profile(t *testing.T) {
 }
 
 func Test_Pusher(t *testing.T) {
-	alice := test.NewUser()
+	alice := test.NewUser(t)
 	aliceLocalpart, _, err := gomatrixserverlib.SplitID('@', alice.ID)
 	assert.NoError(t, err)
 
@@ -430,7 +430,7 @@ func Test_Pusher(t *testing.T) {
 }
 
 func Test_ThreePID(t *testing.T) {
-	alice := test.NewUser()
+	alice := test.NewUser(t)
 	aliceLocalpart, _, err := gomatrixserverlib.SplitID('@', alice.ID)
 	assert.NoError(t, err)
 
@@ -467,7 +467,7 @@ func Test_ThreePID(t *testing.T) {
 }
 
 func Test_Notification(t *testing.T) {
-	alice := test.NewUser()
+	alice := test.NewUser(t)
 	aliceLocalpart, _, err := gomatrixserverlib.SplitID('@', alice.ID)
 	assert.NoError(t, err)
 	room := test.NewRoom(t, alice)

userapi/userapi_test.go

@@ -24,7 +24,6 @@ import (
 
 	"github.com/gorilla/mux"
 	"github.com/matrix-org/dendrite/internal/httputil"
-	internalTest "github.com/matrix-org/dendrite/internal/test"
 	"github.com/matrix-org/dendrite/test"
 	"github.com/matrix-org/dendrite/userapi"
 	"github.com/matrix-org/dendrite/userapi/inthttp"
@@ -135,7 +134,7 @@ func TestQueryProfile(t *testing.T) {
 	t.Run("HTTP API", func(t *testing.T) {
 		router := mux.NewRouter().PathPrefix(httputil.InternalPathPrefix).Subrouter()
 		userapi.AddInternalRoutes(router, userAPI)
-		apiURL, cancel := internalTest.ListenAndServe(t, router, false)
+		apiURL, cancel := test.ListenAndServe(t, router, false)
 		defer cancel()
 		httpAPI, err := inthttp.NewUserAPIClient(apiURL, &http.Client{})
 		if err != nil {