Merge branch 'master' of https://github.com/matrix-org/dendrite into prateek

.gitignore

@@ -43,3 +43,9 @@ _testmain.go
 
 # Default configuration file
 dendrite.yaml
+
+# Database files
+*.db
+
+# Log files
+*.log* 

.golangci.yml

@@ -102,7 +102,7 @@ linters-settings:
     #local-prefixes: github.com/org/project
   gocyclo:
     # minimal code complexity to report, 30 by default (but we recommend 10-20)
-    min-complexity: 12
+    min-complexity: 13
   maligned:
     # print struct with more effective memory layout or not, false by default
     suggest-new: true

README.md

@@ -28,3 +28,4 @@ discussion should happen in
 
 There's plenty still to do to make Dendrite usable! We're tracking progress in a
 [project board](https://github.com/matrix-org/dendrite/projects/2).
+

appservice/consumers/roomserver.go

@@ -114,19 +114,19 @@ func (s *OutputRoomEventConsumer) onMessage(msg *sarama.ConsumerMessage) error {
 // lookupMissingStateEvents looks up the state events that are added by a new event,
 // and returns any not already present.
 func (s *OutputRoomEventConsumer) lookupMissingStateEvents(
-	addsStateEventIDs []string, event gomatrixserverlib.Event,
-) ([]gomatrixserverlib.Event, error) {
+	addsStateEventIDs []string, event gomatrixserverlib.HeaderedEvent,
+) ([]gomatrixserverlib.HeaderedEvent, error) {
 	// Fast path if there aren't any new state events.
 	if len(addsStateEventIDs) == 0 {
-		return []gomatrixserverlib.Event{}, nil
+		return []gomatrixserverlib.HeaderedEvent{}, nil
 	}
 
 	// Fast path if the only state event added is the event itself.
 	if len(addsStateEventIDs) == 1 && addsStateEventIDs[0] == event.EventID() {
-		return []gomatrixserverlib.Event{}, nil
+		return []gomatrixserverlib.HeaderedEvent{}, nil
 	}
 
-	result := []gomatrixserverlib.Event{}
+	result := []gomatrixserverlib.HeaderedEvent{}
 	missing := []string{}
 	for _, id := range addsStateEventIDs {
 		if id != event.EventID() {
@@ -155,7 +155,7 @@ func (s *OutputRoomEventConsumer) lookupMissingStateEvents(
 // application service.
 func (s *OutputRoomEventConsumer) filterRoomserverEvents(
 	ctx context.Context,
-	events []gomatrixserverlib.Event,
+	events []gomatrixserverlib.HeaderedEvent,
 ) error {
 	for _, ws := range s.workerStates {
 		for _, event := range events {
@@ -178,7 +178,7 @@ func (s *OutputRoomEventConsumer) filterRoomserverEvents(
 
 // appserviceIsInterestedInEvent returns a boolean depending on whether a given
 // event falls within one of a given application service's namespaces.
-func (s *OutputRoomEventConsumer) appserviceIsInterestedInEvent(ctx context.Context, event gomatrixserverlib.Event, appservice config.ApplicationService) bool {
+func (s *OutputRoomEventConsumer) appserviceIsInterestedInEvent(ctx context.Context, event gomatrixserverlib.HeaderedEvent, appservice config.ApplicationService) bool {
 	// No reason to queue events if they'll never be sent to the application
 	// service
 	if appservice.URL == "" {
@@ -191,6 +191,12 @@ func (s *OutputRoomEventConsumer) appserviceIsInterestedInEvent(ctx context.Cont
 		return true
 	}
 
+	if event.Type() == gomatrixserverlib.MRoomMember && event.StateKey() != nil {
+		if appservice.IsInterestedInUserID(*event.StateKey()) {
+			return true
+		}
+	}
+
 	// Check all known room aliases of the room the event came from
 	queryReq := api.GetAliasesForRoomIDRequest{RoomID: event.RoomID()}
 	var queryRes api.GetAliasesForRoomIDResponse

appservice/storage/interface.go

@@ -0,0 +1,30 @@
+// 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 storage
+
+import (
+	"context"
+
+	"github.com/matrix-org/gomatrixserverlib"
+)
+
+type Database interface {
+	StoreEvent(ctx context.Context, appServiceID string, event *gomatrixserverlib.HeaderedEvent) error
+	GetEventsWithAppServiceID(ctx context.Context, appServiceID string, limit int) (int, int, []gomatrixserverlib.HeaderedEvent, bool, error)
+	CountEventsWithAppServiceID(ctx context.Context, appServiceID string) (int, error)
+	UpdateTxnIDForEvents(ctx context.Context, appserviceID string, maxID, txnID int) error
+	RemoveEventsBeforeAndIncludingID(ctx context.Context, appserviceID string, eventTableID int) error
+	GetLatestTxnID(ctx context.Context) (int, error)
+}

appservice/storage/postgres/appservice_events_table.go

@@ -33,7 +33,7 @@ CREATE TABLE IF NOT EXISTS appservice_events (
 	-- The ID of the application service the event will be sent to
 	as_id TEXT NOT NULL,
 	-- JSON representation of the event
-	event_json TEXT NOT NULL,
+	headered_event_json TEXT NOT NULL,
 	-- The ID of the transaction that this event is a part of
 	txn_id BIGINT NOT NULL
 );
@@ -42,14 +42,14 @@ CREATE INDEX IF NOT EXISTS appservice_events_as_id ON appservice_events(as_id);
 `
 
 const selectEventsByApplicationServiceIDSQL = "" +
-	"SELECT id, event_json, txn_id " +
+	"SELECT id, headered_event_json, txn_id " +
 	"FROM appservice_events WHERE as_id = $1 ORDER BY txn_id DESC, id ASC"
 
 const countEventsByApplicationServiceIDSQL = "" +
 	"SELECT COUNT(id) FROM appservice_events WHERE as_id = $1"
 
 const insertEventSQL = "" +
-	"INSERT INTO appservice_events(as_id, event_json, txn_id) " +
+	"INSERT INTO appservice_events(as_id, headered_event_json, txn_id) " +
 	"VALUES ($1, $2, $3)"
 
 const updateTxnIDForEventsSQL = "" +
@@ -107,7 +107,7 @@ func (s *eventsStatements) selectEventsByApplicationServiceID(
 	limit int,
 ) (
 	txnID, maxID int,
-	events []gomatrixserverlib.Event,
+	events []gomatrixserverlib.HeaderedEvent,
 	eventsRemaining bool,
 	err error,
 ) {
@@ -132,7 +132,7 @@ func (s *eventsStatements) selectEventsByApplicationServiceID(
 	return
 }
 
-func retrieveEvents(eventRows *sql.Rows, limit int) (events []gomatrixserverlib.Event, maxID, txnID int, eventsRemaining bool, err error) {
+func retrieveEvents(eventRows *sql.Rows, limit int) (events []gomatrixserverlib.HeaderedEvent, maxID, txnID int, eventsRemaining bool, err error) {
 	// Get current time for use in calculating event age
 	nowMilli := time.Now().UnixNano() / int64(time.Millisecond)
 
@@ -141,7 +141,7 @@ func retrieveEvents(eventRows *sql.Rows, limit int) (events []gomatrixserverlib.
 	// new ones. Send back those events first.
 	lastTxnID := invalidTxnID
 	for eventsProcessed := 0; eventRows.Next(); {
-		var event gomatrixserverlib.Event
+		var event gomatrixserverlib.HeaderedEvent
 		var eventJSON []byte
 		var id int
 		err = eventRows.Scan(
@@ -209,7 +209,7 @@ func (s *eventsStatements) countEventsByApplicationServiceID(
 func (s *eventsStatements) insertEvent(
 	ctx context.Context,
 	appServiceID string,
-	event *gomatrixserverlib.Event,
+	event *gomatrixserverlib.HeaderedEvent,
 ) (err error) {
 	// Convert event to JSON before inserting
 	eventJSON, err := json.Marshal(event)

appservice/storage/postgres/storage.go

@@ -52,12 +52,12 @@ func (d *Database) prepare() error {
 	return d.txnID.prepare(d.db)
 }
 
-// StoreEvent takes in a gomatrixserverlib.Event and stores it in the database
+// StoreEvent takes in a gomatrixserverlib.HeaderedEvent and stores it in the database
 // for a transaction worker to pull and later send to an application service.
 func (d *Database) StoreEvent(
 	ctx context.Context,
 	appServiceID string,
-	event *gomatrixserverlib.Event,
+	event *gomatrixserverlib.HeaderedEvent,
 ) error {
 	return d.events.insertEvent(ctx, appServiceID, event)
 }
@@ -68,7 +68,7 @@ func (d *Database) GetEventsWithAppServiceID(
 	ctx context.Context,
 	appServiceID string,
 	limit int,
-) (int, int, []gomatrixserverlib.Event, bool, error) {
+) (int, int, []gomatrixserverlib.HeaderedEvent, bool, error) {
 	return d.events.selectEventsByApplicationServiceID(ctx, appServiceID, limit)
 }
 

appservice/storage/sqlite3/appservice_events_table.go

@@ -33,7 +33,7 @@ CREATE TABLE IF NOT EXISTS appservice_events (
 	-- The ID of the application service the event will be sent to
 	as_id TEXT NOT NULL,
 	-- JSON representation of the event
-	event_json TEXT NOT NULL,
+	headered_event_json TEXT NOT NULL,
 	-- The ID of the transaction that this event is a part of
 	txn_id INTEGER NOT NULL
 );
@@ -42,14 +42,14 @@ CREATE INDEX IF NOT EXISTS appservice_events_as_id ON appservice_events(as_id);
 `
 
 const selectEventsByApplicationServiceIDSQL = "" +
-	"SELECT id, event_json, txn_id " +
+	"SELECT id, headered_event_json, txn_id " +
 	"FROM appservice_events WHERE as_id = $1 ORDER BY txn_id DESC, id ASC"
 
 const countEventsByApplicationServiceIDSQL = "" +
 	"SELECT COUNT(id) FROM appservice_events WHERE as_id = $1"
 
 const insertEventSQL = "" +
-	"INSERT INTO appservice_events(as_id, event_json, txn_id) " +
+	"INSERT INTO appservice_events(as_id, headered_event_json, txn_id) " +
 	"VALUES ($1, $2, $3)"
 
 const updateTxnIDForEventsSQL = "" +
@@ -107,7 +107,7 @@ func (s *eventsStatements) selectEventsByApplicationServiceID(
 	limit int,
 ) (
 	txnID, maxID int,
-	events []gomatrixserverlib.Event,
+	events []gomatrixserverlib.HeaderedEvent,
 	eventsRemaining bool,
 	err error,
 ) {
@@ -132,7 +132,7 @@ func (s *eventsStatements) selectEventsByApplicationServiceID(
 	return
 }
 
-func retrieveEvents(eventRows *sql.Rows, limit int) (events []gomatrixserverlib.Event, maxID, txnID int, eventsRemaining bool, err error) {
+func retrieveEvents(eventRows *sql.Rows, limit int) (events []gomatrixserverlib.HeaderedEvent, maxID, txnID int, eventsRemaining bool, err error) {
 	// Get current time for use in calculating event age
 	nowMilli := time.Now().UnixNano() / int64(time.Millisecond)
 
@@ -141,7 +141,7 @@ func retrieveEvents(eventRows *sql.Rows, limit int) (events []gomatrixserverlib.
 	// new ones. Send back those events first.
 	lastTxnID := invalidTxnID
 	for eventsProcessed := 0; eventRows.Next(); {
-		var event gomatrixserverlib.Event
+		var event gomatrixserverlib.HeaderedEvent
 		var eventJSON []byte
 		var id int
 		err = eventRows.Scan(
@@ -209,7 +209,7 @@ func (s *eventsStatements) countEventsByApplicationServiceID(
 func (s *eventsStatements) insertEvent(
 	ctx context.Context,
 	appServiceID string,
-	event *gomatrixserverlib.Event,
+	event *gomatrixserverlib.HeaderedEvent,
 ) (err error) {
 	// Convert event to JSON before inserting
 	eventJSON, err := json.Marshal(event)

appservice/storage/sqlite3/storage.go

@@ -20,6 +20,7 @@ import (
 	"database/sql"
 
 	// Import SQLite database driver
+	"github.com/matrix-org/dendrite/common"
 	"github.com/matrix-org/gomatrixserverlib"
 	_ "github.com/mattn/go-sqlite3"
 )
@@ -35,7 +36,7 @@ type Database struct {
 func NewDatabase(dataSourceName string) (*Database, error) {
 	var result Database
 	var err error
-	if result.db, err = sql.Open("sqlite3", dataSourceName); err != nil {
+	if result.db, err = sql.Open(common.SQLiteDriverName(), dataSourceName); err != nil {
 		return nil, err
 	}
 	if err = result.prepare(); err != nil {
@@ -52,12 +53,12 @@ func (d *Database) prepare() error {
 	return d.txnID.prepare(d.db)
 }
 
-// StoreEvent takes in a gomatrixserverlib.Event and stores it in the database
+// StoreEvent takes in a gomatrixserverlib.HeaderedEvent and stores it in the database
 // for a transaction worker to pull and later send to an application service.
 func (d *Database) StoreEvent(
 	ctx context.Context,
 	appServiceID string,
-	event *gomatrixserverlib.Event,
+	event *gomatrixserverlib.HeaderedEvent,
 ) error {
 	return d.events.insertEvent(ctx, appServiceID, event)
 }
@@ -68,7 +69,7 @@ func (d *Database) GetEventsWithAppServiceID(
 	ctx context.Context,
 	appServiceID string,
 	limit int,
-) (int, int, []gomatrixserverlib.Event, bool, error) {
+) (int, int, []gomatrixserverlib.HeaderedEvent, bool, error) {
 	return d.events.selectEventsByApplicationServiceID(ctx, appServiceID, limit)
 }
 

appservice/storage/storage.go

@@ -12,26 +12,17 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+// +build !wasm
+
 package storage
 
 import (
-	"context"
 	"net/url"
 
 	"github.com/matrix-org/dendrite/appservice/storage/postgres"
 	"github.com/matrix-org/dendrite/appservice/storage/sqlite3"
-	"github.com/matrix-org/gomatrixserverlib"
 )
 
-type Database interface {
-	StoreEvent(ctx context.Context, appServiceID string, event *gomatrixserverlib.Event) error
-	GetEventsWithAppServiceID(ctx context.Context, appServiceID string, limit int) (int, int, []gomatrixserverlib.Event, bool, error)
-	CountEventsWithAppServiceID(ctx context.Context, appServiceID string) (int, error)
-	UpdateTxnIDForEvents(ctx context.Context, appserviceID string, maxID, txnID int) error
-	RemoveEventsBeforeAndIncludingID(ctx context.Context, appserviceID string, eventTableID int) error
-	GetLatestTxnID(ctx context.Context) (int, error)
-}
-
 func NewDatabase(dataSourceName string) (Database, error) {
 	uri, err := url.Parse(dataSourceName)
 	if err != nil {

appservice/storage/storage_wasm.go

@@ -0,0 +1,37 @@
+// 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 storage
+
+import (
+	"fmt"
+	"net/url"
+
+	"github.com/matrix-org/dendrite/appservice/storage/sqlite3"
+)
+
+func NewDatabase(dataSourceName string) (Database, error) {
+	uri, err := url.Parse(dataSourceName)
+	if err != nil {
+		return nil, fmt.Errorf("Cannot use postgres implementation")
+	}
+	switch uri.Scheme {
+	case "postgres":
+		return nil, fmt.Errorf("Cannot use postgres implementation")
+	case "file":
+		return sqlite3.NewDatabase(dataSourceName)
+	default:
+		return nil, fmt.Errorf("Cannot use postgres implementation")
+	}
+}

appservice/workers/transaction_scheduler.go

@@ -181,9 +181,14 @@ func createTransaction(
 		}
 	}
 
+	var ev []gomatrixserverlib.Event
+	for _, e := range events {
+		ev = append(ev, e.Event)
+	}
+
 	// Create a transaction and store the events inside
 	transaction := gomatrixserverlib.ApplicationServiceTransaction{
-		Events: events,
+		Events: ev,
 	}
 
 	transactionJSON, err = json.Marshal(transaction)

build.sh

@@ -1,3 +1,6 @@
-#!/bin/sh
+#!/bin/bash -eu
 
-GOBIN=$PWD/`dirname $0`/bin go install -v $PWD/`dirname $0`/cmd/...
+# Put installed packages into ./bin
+export GOBIN=$PWD/`dirname $0`/bin
+
+go install -v $PWD/`dirname $0`/cmd/...

clientapi/auth/auth.go

@@ -26,7 +26,6 @@ import (
 
 	"github.com/matrix-org/dendrite/appservice/types"
 	"github.com/matrix-org/dendrite/clientapi/auth/authtypes"
-	"github.com/matrix-org/dendrite/clientapi/httputil"
 	"github.com/matrix-org/dendrite/clientapi/jsonerror"
 	"github.com/matrix-org/dendrite/clientapi/userutil"
 	"github.com/matrix-org/dendrite/common/config"
@@ -166,7 +165,8 @@ func verifyAccessToken(req *http.Request, deviceDB DeviceDatabase) (device *auth
 				JSON: jsonerror.UnknownToken("Unknown token"),
 			}
 		} else {
-			jsonErr := httputil.LogThenError(req, err)
+			util.GetLogger(req.Context()).WithError(err).Error("deviceDB.GetDeviceByAccessToken failed")
+			jsonErr := jsonerror.InternalServerError()
 			resErr = &jsonErr
 		}
 	}

clientapi/auth/authtypes/device.go

@@ -26,4 +26,5 @@ type Device struct {
 	// associated with access tokens.
 	SessionID int64
 	// TODO: display name, last used timestamp, keys, etc
+	DisplayName string
 }

clientapi/auth/storage/accounts/interface.go

@@ -0,0 +1,54 @@
+// 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 accounts
+
+import (
+	"context"
+	"errors"
+
+	"github.com/matrix-org/dendrite/clientapi/auth/authtypes"
+	"github.com/matrix-org/dendrite/common"
+	"github.com/matrix-org/gomatrixserverlib"
+)
+
+type Database interface {
+	common.PartitionStorer
+	GetAccountByPassword(ctx context.Context, localpart, plaintextPassword string) (*authtypes.Account, error)
+	GetProfileByLocalpart(ctx context.Context, localpart string) (*authtypes.Profile, error)
+	SetAvatarURL(ctx context.Context, localpart string, avatarURL string) error
+	SetDisplayName(ctx context.Context, localpart string, displayName string) error
+	CreateAccount(ctx context.Context, localpart, plaintextPassword, appserviceID string) (*authtypes.Account, error)
+	CreateGuestAccount(ctx context.Context) (*authtypes.Account, error)
+	UpdateMemberships(ctx context.Context, eventsToAdd []gomatrixserverlib.Event, idsToRemove []string) error
+	GetMembershipInRoomByLocalpart(ctx context.Context, localpart, roomID string) (authtypes.Membership, error)
+	GetRoomIDsByLocalPart(ctx context.Context, localpart string) ([]string, error)
+	GetMembershipsByLocalpart(ctx context.Context, localpart string) (memberships []authtypes.Membership, err error)
+	SaveAccountData(ctx context.Context, localpart, roomID, dataType, content string) error
+	GetAccountData(ctx context.Context, localpart string) (global []gomatrixserverlib.ClientEvent, rooms map[string][]gomatrixserverlib.ClientEvent, err error)
+	GetAccountDataByType(ctx context.Context, localpart, roomID, dataType string) (data *gomatrixserverlib.ClientEvent, err error)
+	GetNewNumericLocalpart(ctx context.Context) (int64, error)
+	SaveThreePIDAssociation(ctx context.Context, threepid, localpart, medium string) (err error)
+	RemoveThreePIDAssociation(ctx context.Context, threepid string, medium string) (err error)
+	GetLocalpartForThreePID(ctx context.Context, threepid string, medium string) (localpart string, err error)
+	GetThreePIDsForLocalpart(ctx context.Context, localpart string) (threepids []authtypes.ThreePID, err error)
+	GetFilter(ctx context.Context, localpart string, filterID string) (*gomatrixserverlib.Filter, error)
+	PutFilter(ctx context.Context, localpart string, filter *gomatrixserverlib.Filter) (string, error)
+	CheckAccountAvailability(ctx context.Context, localpart string) (bool, error)
+	GetAccountByLocalpart(ctx context.Context, localpart string) (*authtypes.Account, error)
+}
+
+// Err3PIDInUse is the error returned when trying to save an association involving
+// a third-party identifier which is already associated to a local user.
+var Err3PIDInUse = errors.New("This third-party identifier is already in use")

clientapi/auth/storage/accounts/postgres/account_data_table.go

@@ -18,6 +18,8 @@ import (
 	"context"
 	"database/sql"
 
+	"github.com/matrix-org/dendrite/common"
+
 	"github.com/matrix-org/gomatrixserverlib"
 )
 
@@ -72,9 +74,9 @@ func (s *accountDataStatements) prepare(db *sql.DB) (err error) {
 }
 
 func (s *accountDataStatements) insertAccountData(
-	ctx context.Context, localpart, roomID, dataType, content string,
+	ctx context.Context, txn *sql.Tx, localpart, roomID, dataType, content string,
 ) (err error) {
-	stmt := s.insertAccountDataStmt
+	stmt := txn.Stmt(s.insertAccountDataStmt)
 	_, err = stmt.ExecContext(ctx, localpart, roomID, dataType, content)
 	return
 }
@@ -90,7 +92,7 @@ func (s *accountDataStatements) selectAccountData(
 	if err != nil {
 		return
 	}
-	defer rows.Close() // nolint: errcheck
+	defer common.CloseAndLogIfError(ctx, rows, "selectAccountData: rows.close() failed")
 
 	global = []gomatrixserverlib.ClientEvent{}
 	rooms = make(map[string][]gomatrixserverlib.ClientEvent)

clientapi/auth/storage/accounts/postgres/accounts_table.go

@@ -91,10 +91,10 @@ func (s *accountsStatements) prepare(db *sql.DB, server gomatrixserverlib.Server
 // this account will be passwordless. Returns an error if this account already exists. Returns the account
 // on success.
 func (s *accountsStatements) insertAccount(
-	ctx context.Context, localpart, hash, appserviceID string,
+	ctx context.Context, txn *sql.Tx, localpart, hash, appserviceID string,
 ) (*authtypes.Account, error) {
 	createdTimeMS := time.Now().UnixNano() / 1000000
-	stmt := s.insertAccountStmt
+	stmt := txn.Stmt(s.insertAccountStmt)
 
 	var err error
 	if appserviceID == "" {
@@ -146,8 +146,12 @@ func (s *accountsStatements) selectAccountByLocalpart(
 }
 
 func (s *accountsStatements) selectNewNumericLocalpart(
-	ctx context.Context,
+	ctx context.Context, txn *sql.Tx,
 ) (id int64, err error) {
-	err = s.selectNewNumericLocalpartStmt.QueryRowContext(ctx).Scan(&id)
+	stmt := s.selectNewNumericLocalpartStmt
+	if txn != nil {
+		stmt = txn.Stmt(stmt)
+	}
+	err = stmt.QueryRowContext(ctx).Scan(&id)
 	return
 }

clientapi/auth/storage/accounts/postgres/membership_table.go

@@ -18,6 +18,8 @@ import (
 	"context"
 	"database/sql"
 
+	"github.com/matrix-org/dendrite/common"
+
 	"github.com/lib/pq"
 	"github.com/matrix-org/dendrite/clientapi/auth/authtypes"
 )
@@ -51,6 +53,9 @@ const selectMembershipsByLocalpartSQL = "" +
 const selectMembershipInRoomByLocalpartSQL = "" +
 	"SELECT event_id FROM account_memberships WHERE localpart = $1 AND room_id = $2"
 
+const selectRoomIDsByLocalPartSQL = "" +
+	"SELECT room_id FROM account_memberships WHERE localpart = $1"
+
 const deleteMembershipsByEventIDsSQL = "" +
 	"DELETE FROM account_memberships WHERE event_id = ANY($1)"
 
@@ -59,6 +64,7 @@ type membershipStatements struct {
 	insertMembershipStmt                  *sql.Stmt
 	selectMembershipInRoomByLocalpartStmt *sql.Stmt
 	selectMembershipsByLocalpartStmt      *sql.Stmt
+	selectRoomIDsByLocalPartStmt          *sql.Stmt
 }
 
 func (s *membershipStatements) prepare(db *sql.DB) (err error) {
@@ -78,6 +84,9 @@ func (s *membershipStatements) prepare(db *sql.DB) (err error) {
 	if s.selectMembershipsByLocalpartStmt, err = db.Prepare(selectMembershipsByLocalpartSQL); err != nil {
 		return
 	}
+	if s.selectRoomIDsByLocalPartStmt, err = db.Prepare(selectRoomIDsByLocalPartSQL); err != nil {
+		return
+	}
 	return
 }
 
@@ -118,7 +127,7 @@ func (s *membershipStatements) selectMembershipsByLocalpart(
 
 	memberships = []authtypes.Membership{}
 
-	defer rows.Close() // nolint: errcheck
+	defer common.CloseAndLogIfError(ctx, rows, "selectMembershipsByLocalpart: rows.close() failed")
 	for rows.Next() {
 		var m authtypes.Membership
 		m.Localpart = localpart
@@ -129,3 +138,23 @@ func (s *membershipStatements) selectMembershipsByLocalpart(
 	}
 	return memberships, rows.Err()
 }
+
+func (s *membershipStatements) selectRoomIDsByLocalPart(
+	ctx context.Context, localPart string,
+) ([]string, error) {
+	stmt := s.selectRoomIDsByLocalPartStmt
+	rows, err := stmt.QueryContext(ctx, localPart)
+	if err != nil {
+		return nil, err
+	}
+	roomIDs := []string{}
+	defer rows.Close() // nolint: errcheck
+	for rows.Next() {
+		var roomID string
+		if err = rows.Scan(&roomID); err != nil {
+			return nil, err
+		}
+		roomIDs = append(roomIDs, roomID)
+	}
+	return roomIDs, rows.Err()
+}

clientapi/auth/storage/accounts/postgres/profile_table.go

@@ -73,9 +73,9 @@ func (s *profilesStatements) prepare(db *sql.DB) (err error) {
 }
 
 func (s *profilesStatements) insertProfile(
-	ctx context.Context, localpart string,
+	ctx context.Context, txn *sql.Tx, localpart string,
 ) (err error) {
-	_, err = s.insertProfileStmt.ExecContext(ctx, localpart, "", "")
+	_, err = txn.Stmt(s.insertProfileStmt).ExecContext(ctx, localpart, "", "")
 	return
 }
 

clientapi/auth/storage/accounts/postgres/storage.go

@@ -18,6 +18,7 @@ import (
 	"context"
 	"database/sql"
 	"errors"
+	"strconv"
 
 	"github.com/matrix-org/dendrite/clientapi/auth/authtypes"
 	"github.com/matrix-org/dendrite/common"
@@ -118,11 +119,37 @@ func (d *Database) SetDisplayName(
 	return d.profiles.setDisplayName(ctx, localpart, displayName)
 }
 
+// CreateGuestAccount makes a new guest account and creates an empty profile
+// for this account.
+func (d *Database) CreateGuestAccount(ctx context.Context) (acc *authtypes.Account, err error) {
+	err = common.WithTransaction(d.db, func(txn *sql.Tx) error {
+		var numLocalpart int64
+		numLocalpart, err = d.accounts.selectNewNumericLocalpart(ctx, txn)
+		if err != nil {
+			return err
+		}
+		localpart := strconv.FormatInt(numLocalpart, 10)
+		acc, err = d.createAccount(ctx, txn, localpart, "", "")
+		return err
+	})
+	return acc, err
+}
+
 // CreateAccount makes a new account with the given login name and password, and creates an empty profile
 // for this account. If no password is supplied, the account will be a passwordless account. If the
 // account already exists, it will return nil, nil.
 func (d *Database) CreateAccount(
 	ctx context.Context, localpart, plaintextPassword, appserviceID string,
+) (acc *authtypes.Account, err error) {
+	err = common.WithTransaction(d.db, func(txn *sql.Tx) error {
+		acc, err = d.createAccount(ctx, txn, localpart, plaintextPassword, appserviceID)
+		return err
+	})
+	return
+}
+
+func (d *Database) createAccount(
+	ctx context.Context, txn *sql.Tx, localpart, plaintextPassword, appserviceID string,
 ) (*authtypes.Account, error) {
 	var err error
 
@@ -134,13 +161,14 @@ func (d *Database) CreateAccount(
 			return nil, err
 		}
 	}
-	if err := d.profiles.insertProfile(ctx, localpart); err != nil {
+	if err := d.profiles.insertProfile(ctx, txn, localpart); err != nil {
 		if common.IsUniqueConstraintViolationErr(err) {
 			return nil, nil
 		}
 		return nil, err
 	}
-	if err := d.SaveAccountData(ctx, localpart, "", "m.push_rules", `{
+
+	if err := d.accountDatas.insertAccountData(ctx, txn, localpart, "", "m.push_rules", `{
 		"global": {
 			"content": [],
 			"override": [],
@@ -151,7 +179,7 @@ func (d *Database) CreateAccount(
 	}`); err != nil {
 		return nil, err
 	}
-	return d.accounts.insertAccount(ctx, localpart, hash, appserviceID)
+	return d.accounts.insertAccount(ctx, txn, localpart, hash, appserviceID)
 }
 
 // SaveMembership saves the user matching a given localpart as a member of a given
@@ -206,6 +234,16 @@ func (d *Database) GetMembershipInRoomByLocalpart(
 	return d.memberships.selectMembershipInRoomByLocalpart(ctx, localpart, roomID)
 }
 
+// GetRoomIDsByLocalPart returns an array containing the room ids of all
+// the rooms a user matching a given localpart is a member of
+// If no membership match the given localpart, returns an empty array
+// If there was an issue during the retrieval, returns the SQL error
+func (d *Database) GetRoomIDsByLocalPart(
+	ctx context.Context, localpart string,
+) ([]string, error) {
+	return d.memberships.selectRoomIDsByLocalPart(ctx, localpart)
+}
+
 // GetMembershipsByLocalpart returns an array containing the memberships for all
 // the rooms a user matching a given localpart is a member of
 // If no membership match the given localpart, returns an empty array
@@ -258,7 +296,9 @@ func (d *Database) newMembership(
 func (d *Database) SaveAccountData(
 	ctx context.Context, localpart, roomID, dataType, content string,
 ) error {
-	return d.accountDatas.insertAccountData(ctx, localpart, roomID, dataType, content)
+	return common.WithTransaction(d.db, func(txn *sql.Tx) error {
+		return d.accountDatas.insertAccountData(ctx, txn, localpart, roomID, dataType, content)
+	})
 }
 
 // GetAccountData returns account data related to a given localpart
@@ -288,7 +328,7 @@ func (d *Database) GetAccountDataByType(
 func (d *Database) GetNewNumericLocalpart(
 	ctx context.Context,
 ) (int64, error) {
-	return d.accounts.selectNewNumericLocalpart(ctx)
+	return d.accounts.selectNewNumericLocalpart(ctx, nil)
 }
 
 func hashPassword(plaintext string) (hash string, err error) {

clientapi/auth/storage/accounts/sqlite3/account_data_table.go

@@ -72,10 +72,9 @@ func (s *accountDataStatements) prepare(db *sql.DB) (err error) {
 }
 
 func (s *accountDataStatements) insertAccountData(
-	ctx context.Context, localpart, roomID, dataType, content string,
+	ctx context.Context, txn *sql.Tx, localpart, roomID, dataType, content string,
 ) (err error) {
-	stmt := s.insertAccountDataStmt
-	_, err = stmt.ExecContext(ctx, localpart, roomID, dataType, content)
+	_, err = txn.Stmt(s.insertAccountDataStmt).ExecContext(ctx, localpart, roomID, dataType, content)
 	return
 }
 

clientapi/auth/storage/accounts/sqlite3/accounts_table.go

@@ -89,16 +89,16 @@ func (s *accountsStatements) prepare(db *sql.DB, server gomatrixserverlib.Server
 // this account will be passwordless. Returns an error if this account already exists. Returns the account
 // on success.
 func (s *accountsStatements) insertAccount(
-	ctx context.Context, localpart, hash, appserviceID string,
+	ctx context.Context, txn *sql.Tx, localpart, hash, appserviceID string,
 ) (*authtypes.Account, error) {
 	createdTimeMS := time.Now().UnixNano() / 1000000
 	stmt := s.insertAccountStmt
 
 	var err error
 	if appserviceID == "" {
-		_, err = stmt.ExecContext(ctx, localpart, createdTimeMS, hash, nil)
+		_, err = txn.Stmt(stmt).ExecContext(ctx, localpart, createdTimeMS, hash, nil)
 	} else {
-		_, err = stmt.ExecContext(ctx, localpart, createdTimeMS, hash, appserviceID)
+		_, err = txn.Stmt(stmt).ExecContext(ctx, localpart, createdTimeMS, hash, appserviceID)
 	}
 	if err != nil {
 		return nil, err
@@ -144,8 +144,12 @@ func (s *accountsStatements) selectAccountByLocalpart(
 }
 
 func (s *accountsStatements) selectNewNumericLocalpart(
-	ctx context.Context,
+	ctx context.Context, txn *sql.Tx,
 ) (id int64, err error) {
-	err = s.selectNewNumericLocalpartStmt.QueryRowContext(ctx).Scan(&id)
+	stmt := s.selectNewNumericLocalpartStmt
+	if txn != nil {
+		stmt = txn.Stmt(stmt)
+	}
+	err = stmt.QueryRowContext(ctx).Scan(&id)
 	return
 }

clientapi/auth/storage/accounts/sqlite3/membership_table.go

@@ -17,9 +17,10 @@ package sqlite3
 import (
 	"context"
 	"database/sql"
+	"strings"
 
-	"github.com/lib/pq"
 	"github.com/matrix-org/dendrite/clientapi/auth/authtypes"
+	"github.com/matrix-org/dendrite/common"
 )
 
 const membershipSchema = `
@@ -50,14 +51,17 @@ const selectMembershipsByLocalpartSQL = "" +
 const selectMembershipInRoomByLocalpartSQL = "" +
 	"SELECT event_id FROM account_memberships WHERE localpart = $1 AND room_id = $2"
 
+const selectRoomIDsByLocalPartSQL = "" +
+	"SELECT room_id FROM account_memberships WHERE localpart = $1"
+
 const deleteMembershipsByEventIDsSQL = "" +
 	"DELETE FROM account_memberships WHERE event_id IN ($1)"
 
 type membershipStatements struct {
-	deleteMembershipsByEventIDsStmt       *sql.Stmt
 	insertMembershipStmt                  *sql.Stmt
 	selectMembershipInRoomByLocalpartStmt *sql.Stmt
 	selectMembershipsByLocalpartStmt      *sql.Stmt
+	selectRoomIDsByLocalPartStmt          *sql.Stmt
 }
 
 func (s *membershipStatements) prepare(db *sql.DB) (err error) {
@@ -65,9 +69,6 @@ func (s *membershipStatements) prepare(db *sql.DB) (err error) {
 	if err != nil {
 		return
 	}
-	if s.deleteMembershipsByEventIDsStmt, err = db.Prepare(deleteMembershipsByEventIDsSQL); err != nil {
-		return
-	}
 	if s.insertMembershipStmt, err = db.Prepare(insertMembershipSQL); err != nil {
 		return
 	}
@@ -77,6 +78,9 @@ func (s *membershipStatements) prepare(db *sql.DB) (err error) {
 	if s.selectMembershipsByLocalpartStmt, err = db.Prepare(selectMembershipsByLocalpartSQL); err != nil {
 		return
 	}
+	if s.selectRoomIDsByLocalPartStmt, err = db.Prepare(selectRoomIDsByLocalPartSQL); err != nil {
+		return
+	}
 	return
 }
 
@@ -91,8 +95,12 @@ func (s *membershipStatements) insertMembership(
 func (s *membershipStatements) deleteMembershipsByEventIDs(
 	ctx context.Context, txn *sql.Tx, eventIDs []string,
 ) (err error) {
-	stmt := txn.Stmt(s.deleteMembershipsByEventIDsStmt)
-	_, err = stmt.ExecContext(ctx, pq.StringArray(eventIDs))
+	sqlStr := strings.Replace(deleteMembershipsByEventIDsSQL, "($1)", common.QueryVariadic(len(eventIDs)), 1)
+	iEventIDs := make([]interface{}, len(eventIDs))
+	for i, e := range eventIDs {
+		iEventIDs[i] = e
+	}
+	_, err = txn.ExecContext(ctx, sqlStr, iEventIDs...)
 	return
 }
 
@@ -117,7 +125,7 @@ func (s *membershipStatements) selectMembershipsByLocalpart(
 
 	memberships = []authtypes.Membership{}
 
-	defer rows.Close() // nolint: errcheck
+	defer common.CloseAndLogIfError(ctx, rows, "selectMembershipsByLocalpart: rows.close() failed")
 	for rows.Next() {
 		var m authtypes.Membership
 		m.Localpart = localpart
@@ -129,3 +137,22 @@ func (s *membershipStatements) selectMembershipsByLocalpart(
 
 	return
 }
+func (s *membershipStatements) selectRoomIDsByLocalPart(
+	ctx context.Context, localPart string,
+) ([]string, error) {
+	stmt := s.selectRoomIDsByLocalPartStmt
+	rows, err := stmt.QueryContext(ctx, localPart)
+	if err != nil {
+		return nil, err
+	}
+	roomIDs := []string{}
+	defer rows.Close() // nolint: errcheck
+	for rows.Next() {
+		var roomID string
+		if err = rows.Scan(&roomID); err != nil {
+			return nil, err
+		}
+		roomIDs = append(roomIDs, roomID)
+	}
+	return roomIDs, rows.Err()
+}

clientapi/auth/storage/accounts/sqlite3/profile_table.go

@@ -73,9 +73,9 @@ func (s *profilesStatements) prepare(db *sql.DB) (err error) {
 }
 
 func (s *profilesStatements) insertProfile(
-	ctx context.Context, localpart string,
+	ctx context.Context, txn *sql.Tx, localpart string,
 ) (err error) {
-	_, err = s.insertProfileStmt.ExecContext(ctx, localpart, "", "")
+	_, err = txn.Stmt(s.insertProfileStmt).ExecContext(ctx, localpart, "", "")
 	return
 }
 

clientapi/auth/storage/accounts/sqlite3/storage.go

@@ -18,6 +18,8 @@ import (
 	"context"
 	"database/sql"
 	"errors"
+	"strconv"
+	"sync"
 
 	"github.com/matrix-org/dendrite/clientapi/auth/authtypes"
 	"github.com/matrix-org/dendrite/common"
@@ -39,13 +41,15 @@ type Database struct {
 	threepids    threepidStatements
 	filter       filterStatements
 	serverName   gomatrixserverlib.ServerName
+
+	createGuestAccountMu sync.Mutex
 }
 
 // NewDatabase creates a new accounts and profiles database
 func NewDatabase(dataSourceName string, serverName gomatrixserverlib.ServerName) (*Database, error) {
 	var db *sql.DB
 	var err error
-	if db, err = sql.Open("sqlite3", dataSourceName); err != nil {
+	if db, err = sql.Open(common.SQLiteDriverName(), dataSourceName); err != nil {
 		return nil, err
 	}
 	partitions := common.PartitionOffsetStatements{}
@@ -76,7 +80,7 @@ func NewDatabase(dataSourceName string, serverName gomatrixserverlib.ServerName)
 	if err = f.prepare(db); err != nil {
 		return nil, err
 	}
-	return &Database{db, partitions, a, p, m, ac, t, f, serverName}, nil
+	return &Database{db, partitions, a, p, m, ac, t, f, serverName, sync.Mutex{}}, nil
 }
 
 // GetAccountByPassword returns the account associated with the given localpart and password.
@@ -118,14 +122,46 @@ func (d *Database) SetDisplayName(
 	return d.profiles.setDisplayName(ctx, localpart, displayName)
 }
 
+// CreateGuestAccount makes a new guest account and creates an empty profile
+// for this account.
+func (d *Database) CreateGuestAccount(ctx context.Context) (acc *authtypes.Account, err error) {
+	err = common.WithTransaction(d.db, func(txn *sql.Tx) error {
+		// We need to lock so we sequentially create numeric localparts. If we don't, two calls to
+		// this function will cause the same number to be selected and one will fail with 'database is locked'
+		// when the first txn upgrades to a write txn.
+		// We know we'll be the only process since this is sqlite ;) so a lock here will be all that is needed.
+		d.createGuestAccountMu.Lock()
+		defer d.createGuestAccountMu.Unlock()
+
+		var numLocalpart int64
+		numLocalpart, err = d.accounts.selectNewNumericLocalpart(ctx, txn)
+		if err != nil {
+			return err
+		}
+		localpart := strconv.FormatInt(numLocalpart, 10)
+		acc, err = d.createAccount(ctx, txn, localpart, "", "")
+		return err
+	})
+	return acc, err
+}
+
 // CreateAccount makes a new account with the given login name and password, and creates an empty profile
 // for this account. If no password is supplied, the account will be a passwordless account. If the
 // account already exists, it will return nil, nil.
 func (d *Database) CreateAccount(
 	ctx context.Context, localpart, plaintextPassword, appserviceID string,
+) (acc *authtypes.Account, err error) {
+	err = common.WithTransaction(d.db, func(txn *sql.Tx) error {
+		acc, err = d.createAccount(ctx, txn, localpart, plaintextPassword, appserviceID)
+		return err
+	})
+	return
+}
+
+func (d *Database) createAccount(
+	ctx context.Context, txn *sql.Tx, localpart, plaintextPassword, appserviceID string,
 ) (*authtypes.Account, error) {
 	var err error
-
 	// Generate a password hash if this is not a password-less user
 	hash := ""
 	if plaintextPassword != "" {
@@ -134,13 +170,14 @@ func (d *Database) CreateAccount(
 			return nil, err
 		}
 	}
-	if err := d.profiles.insertProfile(ctx, localpart); err != nil {
+	if err := d.profiles.insertProfile(ctx, txn, localpart); err != nil {
 		if common.IsUniqueConstraintViolationErr(err) {
 			return nil, nil
 		}
 		return nil, err
 	}
-	if err := d.SaveAccountData(ctx, localpart, "", "m.push_rules", `{
+
+	if err := d.accountDatas.insertAccountData(ctx, txn, localpart, "", "m.push_rules", `{
 		"global": {
 			"content": [],
 			"override": [],
@@ -151,7 +188,7 @@ func (d *Database) CreateAccount(
 	}`); err != nil {
 		return nil, err
 	}
-	return d.accounts.insertAccount(ctx, localpart, hash, appserviceID)
+	return d.accounts.insertAccount(ctx, txn, localpart, hash, appserviceID)
 }
 
 // SaveMembership saves the user matching a given localpart as a member of a given
@@ -216,6 +253,16 @@ func (d *Database) GetMembershipsByLocalpart(
 	return d.memberships.selectMembershipsByLocalpart(ctx, localpart)
 }
 
+// GetRoomIDsByLocalPart returns an array containing the room ids of all
+// the rooms a user matching a given localpart is a member of
+// If no membership match the given localpart, returns an empty array
+// If there was an issue during the retrieval, returns the SQL error
+func (d *Database) GetRoomIDsByLocalPart(
+	ctx context.Context, localpart string,
+) ([]string, error) {
+	return d.memberships.selectRoomIDsByLocalPart(ctx, localpart)
+}
+
 // newMembership saves a new membership in the database.
 // If the event isn't a valid m.room.member event with type `join`, does nothing.
 // If an error occurred, returns the SQL error
@@ -258,7 +305,9 @@ func (d *Database) newMembership(
 func (d *Database) SaveAccountData(
 	ctx context.Context, localpart, roomID, dataType, content string,
 ) error {
-	return d.accountDatas.insertAccountData(ctx, localpart, roomID, dataType, content)
+	return common.WithTransaction(d.db, func(txn *sql.Tx) error {
+		return d.accountDatas.insertAccountData(ctx, txn, localpart, roomID, dataType, content)
+	})
 }
 
 // GetAccountData returns account data related to a given localpart
@@ -288,7 +337,7 @@ func (d *Database) GetAccountDataByType(
 func (d *Database) GetNewNumericLocalpart(
 	ctx context.Context,
 ) (int64, error) {
-	return d.accounts.selectNewNumericLocalpart(ctx)
+	return d.accounts.selectNewNumericLocalpart(ctx, nil)
 }
 
 func hashPassword(plaintext string) (hash string, err error) {

clientapi/auth/storage/accounts/sqlite3/threepid_table.go

@@ -97,7 +97,7 @@ func (s *threepidStatements) selectThreePIDsForLocalpart(
 	if err != nil {
 		return
 	}
-	defer rows.Close() // nolint: errcheck
+	defer common.CloseAndLogIfError(ctx, rows, "selectThreePIDsForLocalpart: rows.close() failed")
 
 	threepids = []authtypes.ThreePID{}
 	for rows.Next() {

clientapi/auth/storage/accounts/storage.go

@@ -1,41 +1,29 @@
+// 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.
+
+// +build !wasm
+
 package accounts
 
 import (
-	"context"
-	"errors"
 	"net/url"
 
-	"github.com/matrix-org/dendrite/clientapi/auth/authtypes"
 	"github.com/matrix-org/dendrite/clientapi/auth/storage/accounts/postgres"
 	"github.com/matrix-org/dendrite/clientapi/auth/storage/accounts/sqlite3"
-	"github.com/matrix-org/dendrite/common"
 	"github.com/matrix-org/gomatrixserverlib"
 )
 
-type Database interface {
-	common.PartitionStorer
-	GetAccountByPassword(ctx context.Context, localpart, plaintextPassword string) (*authtypes.Account, error)
-	GetProfileByLocalpart(ctx context.Context, localpart string) (*authtypes.Profile, error)
-	SetAvatarURL(ctx context.Context, localpart string, avatarURL string) error
-	SetDisplayName(ctx context.Context, localpart string, displayName string) error
-	CreateAccount(ctx context.Context, localpart, plaintextPassword, appserviceID string) (*authtypes.Account, error)
-	UpdateMemberships(ctx context.Context, eventsToAdd []gomatrixserverlib.Event, idsToRemove []string) error
-	GetMembershipInRoomByLocalpart(ctx context.Context, localpart, roomID string) (authtypes.Membership, error)
-	GetMembershipsByLocalpart(ctx context.Context, localpart string) (memberships []authtypes.Membership, err error)
-	SaveAccountData(ctx context.Context, localpart, roomID, dataType, content string) error
-	GetAccountData(ctx context.Context, localpart string) (global []gomatrixserverlib.ClientEvent, rooms map[string][]gomatrixserverlib.ClientEvent, err error)
-	GetAccountDataByType(ctx context.Context, localpart, roomID, dataType string) (data *gomatrixserverlib.ClientEvent, err error)
-	GetNewNumericLocalpart(ctx context.Context) (int64, error)
-	SaveThreePIDAssociation(ctx context.Context, threepid, localpart, medium string) (err error)
-	RemoveThreePIDAssociation(ctx context.Context, threepid string, medium string) (err error)
-	GetLocalpartForThreePID(ctx context.Context, threepid string, medium string) (localpart string, err error)
-	GetThreePIDsForLocalpart(ctx context.Context, localpart string) (threepids []authtypes.ThreePID, err error)
-	GetFilter(ctx context.Context, localpart string, filterID string) (*gomatrixserverlib.Filter, error)
-	PutFilter(ctx context.Context, localpart string, filter *gomatrixserverlib.Filter) (string, error)
-	CheckAccountAvailability(ctx context.Context, localpart string) (bool, error)
-	GetAccountByLocalpart(ctx context.Context, localpart string) (*authtypes.Account, error)
-}
-
 func NewDatabase(dataSourceName string, serverName gomatrixserverlib.ServerName) (Database, error) {
 	uri, err := url.Parse(dataSourceName)
 	if err != nil {
@@ -50,7 +38,3 @@ func NewDatabase(dataSourceName string, serverName gomatrixserverlib.ServerName)
 		return postgres.NewDatabase(dataSourceName, serverName)
 	}
 }
-
-// Err3PIDInUse is the error returned when trying to save an association involving
-// a third-party identifier which is already associated to a local user.
-var Err3PIDInUse = errors.New("This third-party identifier is already in use")

clientapi/auth/storage/accounts/storage_wasm.go

@@ -0,0 +1,38 @@
+// 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 accounts
+
+import (
+	"fmt"
+	"net/url"
+
+	"github.com/matrix-org/dendrite/clientapi/auth/storage/accounts/sqlite3"
+	"github.com/matrix-org/gomatrixserverlib"
+)
+
+func NewDatabase(dataSourceName string, serverName gomatrixserverlib.ServerName) (Database, error) {
+	uri, err := url.Parse(dataSourceName)
+	if err != nil {
+		return nil, fmt.Errorf("Cannot use postgres implementation")
+	}
+	switch uri.Scheme {
+	case "postgres":
+		return nil, fmt.Errorf("Cannot use postgres implementation")
+	case "file":
+		return sqlite3.NewDatabase(dataSourceName, serverName)
+	default:
+		return nil, fmt.Errorf("Cannot use postgres implementation")
+	}
+}

clientapi/auth/storage/devices/interface.go

@@ -0,0 +1,32 @@
+// 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 devices
+
+import (
+	"context"
+
+	"github.com/matrix-org/dendrite/clientapi/auth/authtypes"
+)
+
+type Database interface {
+	GetDeviceByAccessToken(ctx context.Context, token string) (*authtypes.Device, error)
+	GetDeviceByID(ctx context.Context, localpart, deviceID string) (*authtypes.Device, error)
+	GetDevicesByLocalpart(ctx context.Context, localpart string) ([]authtypes.Device, error)
+	CreateDevice(ctx context.Context, localpart string, deviceID *string, accessToken string, displayName *string) (dev *authtypes.Device, returnErr error)
+	UpdateDevice(ctx context.Context, localpart, deviceID string, displayName *string) error
+	RemoveDevice(ctx context.Context, deviceID, localpart string) error
+	RemoveDevices(ctx context.Context, localpart string, devices []string) error
+	RemoveAllDevices(ctx context.Context, localpart string) error
+}

clientapi/auth/storage/devices/postgres/devices_table.go

@@ -226,11 +226,11 @@ func (s *devicesStatements) selectDevicesByLocalpart(
 	if err != nil {
 		return devices, err
 	}
-	defer rows.Close() // nolint: errcheck
+	defer common.CloseAndLogIfError(ctx, rows, "selectDevicesByLocalpart: rows.close() failed")
 
 	for rows.Next() {
 		var dev authtypes.Device
-		err = rows.Scan(&dev.ID)
+		err = rows.Scan(&dev.ID, &dev.DisplayName)
 		if err != nil {
 			return devices, err
 		}

clientapi/auth/storage/devices/sqlite3/devices_table.go

@@ -231,7 +231,7 @@ func (s *devicesStatements) selectDevicesByLocalpart(
 
 	for rows.Next() {
 		var dev authtypes.Device
-		err = rows.Scan(&dev.ID)
+		err = rows.Scan(&dev.ID, &dev.DisplayName)
 		if err != nil {
 			return devices, err
 		}

clientapi/auth/storage/devices/sqlite3/storage.go

@@ -40,7 +40,7 @@ type Database struct {
 func NewDatabase(dataSourceName string, serverName gomatrixserverlib.ServerName) (*Database, error) {
 	var db *sql.DB
 	var err error
-	if db, err = sql.Open("sqlite3", dataSourceName); err != nil {
+	if db, err = sql.Open(common.SQLiteDriverName(), dataSourceName); err != nil {
 		return nil, err
 	}
 	d := devicesStatements{}

clientapi/auth/storage/devices/storage.go

@@ -1,26 +1,29 @@
+// 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.
+
+// +build !wasm
+
 package devices
 
 import (
-	"context"
 	"net/url"
 
-	"github.com/matrix-org/dendrite/clientapi/auth/authtypes"
 	"github.com/matrix-org/dendrite/clientapi/auth/storage/devices/postgres"
 	"github.com/matrix-org/dendrite/clientapi/auth/storage/devices/sqlite3"
 	"github.com/matrix-org/gomatrixserverlib"
 )
 
-type Database interface {
-	GetDeviceByAccessToken(ctx context.Context, token string) (*authtypes.Device, error)
-	GetDeviceByID(ctx context.Context, localpart, deviceID string) (*authtypes.Device, error)
-	GetDevicesByLocalpart(ctx context.Context, localpart string) ([]authtypes.Device, error)
-	CreateDevice(ctx context.Context, localpart string, deviceID *string, accessToken string, displayName *string) (dev *authtypes.Device, returnErr error)
-	UpdateDevice(ctx context.Context, localpart, deviceID string, displayName *string) error
-	RemoveDevice(ctx context.Context, deviceID, localpart string) error
-	RemoveDevices(ctx context.Context, localpart string, devices []string) error
-	RemoveAllDevices(ctx context.Context, localpart string) error
-}
-
 func NewDatabase(dataSourceName string, serverName gomatrixserverlib.ServerName) (Database, error) {
 	uri, err := url.Parse(dataSourceName)
 	if err != nil {

clientapi/auth/storage/devices/storage_wasm.go

@@ -0,0 +1,38 @@
+// 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 devices
+
+import (
+	"fmt"
+	"net/url"
+
+	"github.com/matrix-org/dendrite/clientapi/auth/storage/devices/sqlite3"
+	"github.com/matrix-org/gomatrixserverlib"
+)
+
+func NewDatabase(dataSourceName string, serverName gomatrixserverlib.ServerName) (Database, error) {
+	uri, err := url.Parse(dataSourceName)
+	if err != nil {
+		return nil, fmt.Errorf("Cannot use postgres implementation")
+	}
+	switch uri.Scheme {
+	case "postgres":
+		return nil, fmt.Errorf("Cannot use postgres implementation")
+	case "file":
+		return sqlite3.NewDatabase(dataSourceName, serverName)
+	default:
+		return nil, fmt.Errorf("Cannot use postgres implementation")
+	}
+}

clientapi/clientapi.go

@@ -46,7 +46,7 @@ func SetupClientAPIComponent(
 	transactionsCache *transactions.Cache,
 	fedSenderAPI federationSenderAPI.FederationSenderQueryAPI,
 ) {
-	roomserverProducer := producers.NewRoomserverProducer(inputAPI)
+	roomserverProducer := producers.NewRoomserverProducer(inputAPI, queryAPI)
 	typingProducer := producers.NewTypingServerProducer(typingInputAPI)
 
 	userUpdateProducer := &producers.UserUpdateProducer{

clientapi/consumers/roomserver.go

@@ -91,7 +91,7 @@ func (s *OutputRoomEventConsumer) onMessage(msg *sarama.ConsumerMessage) error {
 		"type":     ev.Type(),
 	}).Info("received event from roomserver")
 
-	events, err := s.lookupStateEvents(output.NewRoomEvent.AddsStateEventIDs, ev)
+	events, err := s.lookupStateEvents(output.NewRoomEvent.AddsStateEventIDs, ev.Event)
 	if err != nil {
 		return err
 	}
@@ -138,7 +138,9 @@ func (s *OutputRoomEventConsumer) lookupStateEvents(
 		return nil, err
 	}
 
-	result = append(result, eventResp.Events...)
+	for _, headeredEvent := range eventResp.Events {
+		result = append(result, headeredEvent.Event)
+	}
 
 	return result, nil
 }

clientapi/httputil/httputil.go

@@ -36,11 +36,3 @@ func UnmarshalJSONRequest(req *http.Request, iface interface{}) *util.JSONRespon
 	}
 	return nil
 }
-
-// LogThenError logs the given error then returns a matrix-compliant 500 internal server error response.
-// This should be used to log fatal errors which require investigation. It should not be used
-// to log client validation errors, etc.
-func LogThenError(req *http.Request, err error) util.JSONResponse {
-	util.GetLogger(req.Context()).WithError(err).Error("request failed")
-	return jsonerror.InternalServerError()
-}

clientapi/jsonerror/jsonerror.go

@@ -124,6 +124,12 @@ func GuestAccessForbidden(msg string) *MatrixError {
 	return &MatrixError{"M_GUEST_ACCESS_FORBIDDEN", msg}
 }
 
+// UnsupportedRoomVersion is an error which is returned when the client
+// requests a room with a version that is unsupported.
+func UnsupportedRoomVersion(msg string) *MatrixError {
+	return &MatrixError{"M_UNSUPPORTED_ROOM_VERSION", msg}
+}
+
 // LimitExceededError is a rate-limiting error.
 type LimitExceededError struct {
 	MatrixError

clientapi/producers/roomserver.go

@@ -24,18 +24,20 @@ import (
 // RoomserverProducer produces events for the roomserver to consume.
 type RoomserverProducer struct {
 	InputAPI api.RoomserverInputAPI
+	QueryAPI api.RoomserverQueryAPI
 }
 
 // NewRoomserverProducer creates a new RoomserverProducer
-func NewRoomserverProducer(inputAPI api.RoomserverInputAPI) *RoomserverProducer {
+func NewRoomserverProducer(inputAPI api.RoomserverInputAPI, queryAPI api.RoomserverQueryAPI) *RoomserverProducer {
 	return &RoomserverProducer{
 		InputAPI: inputAPI,
+		QueryAPI: queryAPI,
 	}
 }
 
 // SendEvents writes the given events to the roomserver input log. The events are written with KindNew.
 func (c *RoomserverProducer) SendEvents(
-	ctx context.Context, events []gomatrixserverlib.Event, sendAsServer gomatrixserverlib.ServerName,
+	ctx context.Context, events []gomatrixserverlib.HeaderedEvent, sendAsServer gomatrixserverlib.ServerName,
 	txnID *api.TransactionID,
 ) (string, error) {
 	ires := make([]api.InputRoomEvent, len(events))
@@ -54,20 +56,20 @@ func (c *RoomserverProducer) SendEvents(
 // SendEventWithState writes an event with KindNew to the roomserver input log
 // with the state at the event as KindOutlier before it.
 func (c *RoomserverProducer) SendEventWithState(
-	ctx context.Context, state gomatrixserverlib.RespState, event gomatrixserverlib.Event,
+	ctx context.Context, state gomatrixserverlib.RespState, event gomatrixserverlib.HeaderedEvent,
 ) error {
 	outliers, err := state.Events()
 	if err != nil {
 		return err
 	}
 
-	ires := make([]api.InputRoomEvent, len(outliers)+1)
-	for i, outlier := range outliers {
-		ires[i] = api.InputRoomEvent{
+	var ires []api.InputRoomEvent
+	for _, outlier := range outliers {
+		ires = append(ires, api.InputRoomEvent{
 			Kind:         api.KindOutlier,
-			Event:        outlier,
+			Event:        outlier.Headered(event.RoomVersion),
 			AuthEventIDs: outlier.AuthEventIDs(),
-		}
+		})
 	}
 
 	stateEventIDs := make([]string, len(state.StateEvents))
@@ -75,13 +77,13 @@ func (c *RoomserverProducer) SendEventWithState(
 		stateEventIDs[i] = state.StateEvents[i].EventID()
 	}
 
-	ires[len(outliers)] = api.InputRoomEvent{
+	ires = append(ires, api.InputRoomEvent{
 		Kind:          api.KindNew,
 		Event:         event,
 		AuthEventIDs:  event.AuthEventIDs(),
 		HasState:      true,
 		StateEventIDs: stateEventIDs,
-	}
+	})
 
 	_, err = c.SendInputRoomEvents(ctx, ires)
 	return err
@@ -104,8 +106,17 @@ func (c *RoomserverProducer) SendInputRoomEvents(
 func (c *RoomserverProducer) SendInvite(
 	ctx context.Context, inviteEvent gomatrixserverlib.Event,
 ) error {
+	verReq := api.QueryRoomVersionForRoomRequest{RoomID: inviteEvent.RoomID()}
+	verRes := api.QueryRoomVersionForRoomResponse{}
+	err := c.QueryAPI.QueryRoomVersionForRoom(ctx, &verReq, &verRes)
+	if err != nil {
+		return err
+	}
+
 	request := api.InputRoomEventsRequest{
-		InputInviteEvents: []api.InputInviteEvent{{Event: inviteEvent}},
+		InputInviteEvents: []api.InputInviteEvent{{
+			Event: inviteEvent.Headered(verRes.RoomVersion),
+		}},
 	}
 	var response api.InputRoomEventsResponse
 	return c.InputAPI.InputRoomEvents(ctx, &request, &response)

clientapi/routing/account_data.go

@@ -21,7 +21,6 @@ import (
 
 	"github.com/matrix-org/dendrite/clientapi/auth/authtypes"
 	"github.com/matrix-org/dendrite/clientapi/auth/storage/accounts"
-	"github.com/matrix-org/dendrite/clientapi/httputil"
 	"github.com/matrix-org/dendrite/clientapi/jsonerror"
 	"github.com/matrix-org/dendrite/clientapi/producers"
 	"github.com/matrix-org/gomatrixserverlib"
@@ -43,7 +42,8 @@ func GetAccountData(
 
 	localpart, _, err := gomatrixserverlib.SplitID('@', userID)
 	if err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("gomatrixserverlib.SplitID failed")
+		return jsonerror.InternalServerError()
 	}
 
 	if data, err := accountDB.GetAccountDataByType(
@@ -75,7 +75,8 @@ func SaveAccountData(
 
 	localpart, _, err := gomatrixserverlib.SplitID('@', userID)
 	if err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("gomatrixserverlib.SplitID failed")
+		return jsonerror.InternalServerError()
 	}
 
 	defer req.Body.Close() // nolint: errcheck
@@ -89,7 +90,8 @@ func SaveAccountData(
 
 	body, err := ioutil.ReadAll(req.Body)
 	if err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("ioutil.ReadAll failed")
+		return jsonerror.InternalServerError()
 	}
 
 	if !json.Valid(body) {
@@ -102,11 +104,13 @@ func SaveAccountData(
 	if err := accountDB.SaveAccountData(
 		req.Context(), localpart, roomID, dataType, string(body),
 	); err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("accountDB.SaveAccountData failed")
+		return jsonerror.InternalServerError()
 	}
 
 	if err := syncProducer.SendData(userID, roomID, dataType); err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("syncProducer.SendData failed")
+		return jsonerror.InternalServerError()
 	}
 
 	return util.JSONResponse{

clientapi/routing/auth_fallback.go

@@ -19,7 +19,6 @@ import (
 	"net/http"
 
 	"github.com/matrix-org/dendrite/clientapi/auth/authtypes"
-	"github.com/matrix-org/dendrite/clientapi/httputil"
 	"github.com/matrix-org/dendrite/clientapi/jsonerror"
 	"github.com/matrix-org/dendrite/common/config"
 	"github.com/matrix-org/util"
@@ -151,7 +150,8 @@ func AuthFallback(
 			clientIP := req.RemoteAddr
 			err := req.ParseForm()
 			if err != nil {
-				res := httputil.LogThenError(req, err)
+				util.GetLogger(req.Context()).WithError(err).Error("req.ParseForm failed")
+				res := jsonerror.InternalServerError()
 				return &res
 			}
 
@@ -203,7 +203,8 @@ func writeHTTPMessage(
 	w.WriteHeader(header)
 	_, err := w.Write([]byte(message))
 	if err != nil {
-		res := httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("w.Write failed")
+		res := jsonerror.InternalServerError()
 		return &res
 	}
 	return nil

clientapi/routing/capabilities.go

@@ -17,7 +17,7 @@ package routing
 import (
 	"net/http"
 
-	"github.com/matrix-org/dendrite/clientapi/httputil"
+	"github.com/matrix-org/dendrite/clientapi/jsonerror"
 	roomserverAPI "github.com/matrix-org/dendrite/roomserver/api"
 
 	"github.com/matrix-org/util"
@@ -35,7 +35,8 @@ func GetCapabilities(
 		&roomVersionsQueryReq,
 		&roomVersionsQueryRes,
 	); err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("queryAPI.QueryRoomVersionCapabilities failed")
+		return jsonerror.InternalServerError()
 	}
 
 	response := map[string]interface{}{

clientapi/routing/createroom.go

@@ -23,6 +23,7 @@ import (
 
 	appserviceAPI "github.com/matrix-org/dendrite/appservice/api"
 	roomserverAPI "github.com/matrix-org/dendrite/roomserver/api"
+	roomserverVersion "github.com/matrix-org/dendrite/roomserver/version"
 
 	"github.com/matrix-org/dendrite/clientapi/auth/authtypes"
 	"github.com/matrix-org/dendrite/clientapi/auth/storage/accounts"
@@ -38,15 +39,16 @@ import (
 
 // https://matrix.org/docs/spec/client_server/r0.2.0.html#post-matrix-client-r0-createroom
 type createRoomRequest struct {
-	Invite          []string               `json:"invite"`
-	Name            string                 `json:"name"`
-	Visibility      string                 `json:"visibility"`
-	Topic           string                 `json:"topic"`
-	Preset          string                 `json:"preset"`
-	CreationContent map[string]interface{} `json:"creation_content"`
-	InitialState    []fledglingEvent       `json:"initial_state"`
-	RoomAliasName   string                 `json:"room_alias_name"`
-	GuestCanJoin    bool                   `json:"guest_can_join"`
+	Invite          []string                      `json:"invite"`
+	Name            string                        `json:"name"`
+	Visibility      string                        `json:"visibility"`
+	Topic           string                        `json:"topic"`
+	Preset          string                        `json:"preset"`
+	CreationContent map[string]interface{}        `json:"creation_content"`
+	InitialState    []fledglingEvent              `json:"initial_state"`
+	RoomAliasName   string                        `json:"room_alias_name"`
+	GuestCanJoin    bool                          `json:"guest_can_join"`
+	RoomVersion     gomatrixserverlib.RoomVersion `json:"room_version"`
 }
 
 const (
@@ -180,20 +182,34 @@ func createRoom(
 	}
 
 	r.CreationContent["creator"] = userID
-	r.CreationContent["room_version"] = "1" // TODO: We set this to 1 before we support Room versioning
+	roomVersion := roomserverVersion.DefaultRoomVersion()
+	if r.RoomVersion != "" {
+		candidateVersion := gomatrixserverlib.RoomVersion(r.RoomVersion)
+		_, roomVersionError := roomserverVersion.SupportedRoomVersion(candidateVersion)
+		if roomVersionError != nil {
+			return util.JSONResponse{
+				Code: http.StatusBadRequest,
+				JSON: jsonerror.UnsupportedRoomVersion(roomVersionError.Error()),
+			}
+		}
+		roomVersion = candidateVersion
+	}
+	r.CreationContent["room_version"] = roomVersion
 
 	// TODO: visibility/presets/raw initial state
 	// TODO: Create room alias association
 	// Make sure this doesn't fall into an application service's namespace though!
 
 	logger.WithFields(log.Fields{
-		"userID": userID,
-		"roomID": roomID,
+		"userID":      userID,
+		"roomID":      roomID,
+		"roomVersion": r.CreationContent["room_version"],
 	}).Info("Creating new room")
 
 	profile, err := appserviceAPI.RetrieveUserProfile(req.Context(), userID, asAPI, accountDB)
 	if err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("appserviceAPI.RetrieveUserProfile failed")
+		return jsonerror.InternalServerError()
 	}
 
 	membershipContent := gomatrixserverlib.MemberContent{
@@ -221,7 +237,7 @@ func createRoom(
 		historyVisibility = historyVisibilityShared
 	}
 
-	var builtEvents []gomatrixserverlib.Event
+	var builtEvents []gomatrixserverlib.HeaderedEvent
 
 	// send events into the room in order of:
 	//  1- m.room.create
@@ -276,33 +292,38 @@ func createRoom(
 		}
 		err = builder.SetContent(e.Content)
 		if err != nil {
-			return httputil.LogThenError(req, err)
+			util.GetLogger(req.Context()).WithError(err).Error("builder.SetContent failed")
+			return jsonerror.InternalServerError()
 		}
 		if i > 0 {
 			builder.PrevEvents = []gomatrixserverlib.EventReference{builtEvents[i-1].EventReference()}
 		}
 		var ev *gomatrixserverlib.Event
-		ev, err = buildEvent(&builder, &authEvents, cfg, evTime)
+		ev, err = buildEvent(&builder, &authEvents, cfg, evTime, roomVersion)
 		if err != nil {
-			return httputil.LogThenError(req, err)
+			util.GetLogger(req.Context()).WithError(err).Error("buildEvent failed")
+			return jsonerror.InternalServerError()
 		}
 
 		if err = gomatrixserverlib.Allowed(*ev, &authEvents); err != nil {
-			return httputil.LogThenError(req, err)
+			util.GetLogger(req.Context()).WithError(err).Error("gomatrixserverlib.Allowed failed")
+			return jsonerror.InternalServerError()
 		}
 
 		// Add the event to the list of auth events
-		builtEvents = append(builtEvents, *ev)
+		builtEvents = append(builtEvents, (*ev).Headered(roomVersion))
 		err = authEvents.AddEvent(ev)
 		if err != nil {
-			return httputil.LogThenError(req, err)
+			util.GetLogger(req.Context()).WithError(err).Error("authEvents.AddEvent failed")
+			return jsonerror.InternalServerError()
 		}
 	}
 
 	// send events to the room server
 	_, err = producer.SendEvents(req.Context(), builtEvents, cfg.Matrix.ServerName, nil)
 	if err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("producer.SendEvents failed")
+		return jsonerror.InternalServerError()
 	}
 
 	// TODO(#269): Reserve room alias while we create the room. This stops us
@@ -321,7 +342,8 @@ func createRoom(
 		var aliasResp roomserverAPI.SetRoomAliasResponse
 		err = aliasAPI.SetRoomAlias(req.Context(), &aliasReq, &aliasResp)
 		if err != nil {
-			return httputil.LogThenError(req, err)
+			util.GetLogger(req.Context()).WithError(err).Error("aliasAPI.SetRoomAlias failed")
+			return jsonerror.InternalServerError()
 		}
 
 		if aliasResp.AliasExists {
@@ -346,6 +368,7 @@ func buildEvent(
 	provider gomatrixserverlib.AuthEventProvider,
 	cfg *config.Dendrite,
 	evTime time.Time,
+	roomVersion gomatrixserverlib.RoomVersion,
 ) (*gomatrixserverlib.Event, error) {
 	eventsNeeded, err := gomatrixserverlib.StateNeededForEventBuilder(builder)
 	if err != nil {
@@ -356,10 +379,12 @@ func buildEvent(
 		return nil, err
 	}
 	builder.AuthEvents = refs
-	eventID := fmt.Sprintf("$%s:%s", util.RandomString(16), cfg.Matrix.ServerName)
-	event, err := builder.Build(eventID, evTime, cfg.Matrix.ServerName, cfg.Matrix.KeyID, cfg.Matrix.PrivateKey)
+	event, err := builder.Build(
+		evTime, cfg.Matrix.ServerName, cfg.Matrix.KeyID,
+		cfg.Matrix.PrivateKey, roomVersion,
+	)
 	if err != nil {
-		return nil, fmt.Errorf("cannot build event %s : Builder failed to build. %s", builder.Type, err)
+		return nil, fmt.Errorf("cannot build event %s : Builder failed to build. %w", builder.Type, err)
 	}
 	return &event, nil
 }

clientapi/routing/device.go

@@ -21,7 +21,6 @@ import (
 
 	"github.com/matrix-org/dendrite/clientapi/auth/authtypes"
 	"github.com/matrix-org/dendrite/clientapi/auth/storage/devices"
-	"github.com/matrix-org/dendrite/clientapi/httputil"
 	"github.com/matrix-org/dendrite/clientapi/jsonerror"
 	"github.com/matrix-org/gomatrixserverlib"
 	"github.com/matrix-org/util"
@@ -51,7 +50,8 @@ func GetDeviceByID(
 ) util.JSONResponse {
 	localpart, _, err := gomatrixserverlib.SplitID('@', device.UserID)
 	if err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("gomatrixserverlib.SplitID failed")
+		return jsonerror.InternalServerError()
 	}
 
 	ctx := req.Context()
@@ -62,7 +62,8 @@ func GetDeviceByID(
 			JSON: jsonerror.NotFound("Unknown device"),
 		}
 	} else if err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("deviceDB.GetDeviceByID failed")
+		return jsonerror.InternalServerError()
 	}
 
 	return util.JSONResponse{
@@ -80,14 +81,16 @@ func GetDevicesByLocalpart(
 ) util.JSONResponse {
 	localpart, _, err := gomatrixserverlib.SplitID('@', device.UserID)
 	if err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("gomatrixserverlib.SplitID failed")
+		return jsonerror.InternalServerError()
 	}
 
 	ctx := req.Context()
 	deviceList, err := deviceDB.GetDevicesByLocalpart(ctx, localpart)
 
 	if err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("deviceDB.GetDevicesByLocalpart failed")
+		return jsonerror.InternalServerError()
 	}
 
 	res := devicesJSON{}
@@ -112,7 +115,8 @@ func UpdateDeviceByID(
 ) util.JSONResponse {
 	localpart, _, err := gomatrixserverlib.SplitID('@', device.UserID)
 	if err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("gomatrixserverlib.SplitID failed")
+		return jsonerror.InternalServerError()
 	}
 
 	ctx := req.Context()
@@ -123,7 +127,8 @@ func UpdateDeviceByID(
 			JSON: jsonerror.NotFound("Unknown device"),
 		}
 	} else if err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("deviceDB.GetDeviceByID failed")
+		return jsonerror.InternalServerError()
 	}
 
 	if dev.UserID != device.UserID {
@@ -138,11 +143,13 @@ func UpdateDeviceByID(
 	payload := deviceUpdateJSON{}
 
 	if err := json.NewDecoder(req.Body).Decode(&payload); err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("json.NewDecoder.Decode failed")
+		return jsonerror.InternalServerError()
 	}
 
 	if err := deviceDB.UpdateDevice(ctx, localpart, deviceID, payload.DisplayName); err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("deviceDB.UpdateDevice failed")
+		return jsonerror.InternalServerError()
 	}
 
 	return util.JSONResponse{
@@ -158,14 +165,16 @@ func DeleteDeviceById(
 ) util.JSONResponse {
 	localpart, _, err := gomatrixserverlib.SplitID('@', device.UserID)
 	if err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("gomatrixserverlib.SplitID failed")
+		return jsonerror.InternalServerError()
 	}
 	ctx := req.Context()
 
 	defer req.Body.Close() // nolint: errcheck
 
 	if err := deviceDB.RemoveDevice(ctx, deviceID, localpart); err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("deviceDB.RemoveDevice failed")
+		return jsonerror.InternalServerError()
 	}
 
 	return util.JSONResponse{
@@ -180,20 +189,23 @@ func DeleteDevices(
 ) util.JSONResponse {
 	localpart, _, err := gomatrixserverlib.SplitID('@', device.UserID)
 	if err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("gomatrixserverlib.SplitID failed")
+		return jsonerror.InternalServerError()
 	}
 
 	ctx := req.Context()
 	payload := devicesDeleteJSON{}
 
 	if err := json.NewDecoder(req.Body).Decode(&payload); err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("json.NewDecoder.Decode failed")
+		return jsonerror.InternalServerError()
 	}
 
 	defer req.Body.Close() // nolint: errcheck
 
 	if err := deviceDB.RemoveDevices(ctx, localpart, payload.Devices); err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("deviceDB.RemoveDevices failed")
+		return jsonerror.InternalServerError()
 	}
 
 	return util.JSONResponse{

clientapi/routing/directory.go

@@ -63,7 +63,8 @@ func DirectoryRoom(
 	queryReq := roomserverAPI.GetRoomIDForAliasRequest{Alias: roomAlias}
 	var queryRes roomserverAPI.GetRoomIDForAliasResponse
 	if err = rsAPI.GetRoomIDForAlias(req.Context(), &queryReq, &queryRes); err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("rsAPI.GetRoomIDForAlias failed")
+		return jsonerror.InternalServerError()
 	}
 
 	res.RoomID = queryRes.RoomID
@@ -76,7 +77,8 @@ func DirectoryRoom(
 			if fedErr != nil {
 				// TODO: Return 502 if the remote server errored.
 				// TODO: Return 504 if the remote server timed out.
-				return httputil.LogThenError(req, fedErr)
+				util.GetLogger(req.Context()).WithError(err).Error("federation.LookupRoomAlias failed")
+				return jsonerror.InternalServerError()
 			}
 			res.RoomID = fedRes.RoomID
 			res.fillServers(fedRes.Servers)
@@ -94,7 +96,8 @@ func DirectoryRoom(
 		joinedHostsReq := federationSenderAPI.QueryJoinedHostServerNamesInRoomRequest{RoomID: res.RoomID}
 		var joinedHostsRes federationSenderAPI.QueryJoinedHostServerNamesInRoomResponse
 		if err = fedSenderAPI.QueryJoinedHostServerNamesInRoom(req.Context(), &joinedHostsReq, &joinedHostsRes); err != nil {
-			return httputil.LogThenError(req, err)
+			util.GetLogger(req.Context()).WithError(err).Error("fedSenderAPI.QueryJoinedHostServerNamesInRoom failed")
+			return jsonerror.InternalServerError()
 		}
 		res.fillServers(joinedHostsRes.ServerNames)
 	}
@@ -165,7 +168,8 @@ func SetLocalAlias(
 	}
 	var queryRes roomserverAPI.SetRoomAliasResponse
 	if err := aliasAPI.SetRoomAlias(req.Context(), &queryReq, &queryRes); err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("aliasAPI.SetRoomAlias failed")
+		return jsonerror.InternalServerError()
 	}
 
 	if queryRes.AliasExists {
@@ -194,7 +198,8 @@ func RemoveLocalAlias(
 	}
 	var creatorQueryRes roomserverAPI.GetCreatorIDForAliasResponse
 	if err := aliasAPI.GetCreatorIDForAlias(req.Context(), &creatorQueryReq, &creatorQueryRes); err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("aliasAPI.GetCreatorIDForAlias failed")
+		return jsonerror.InternalServerError()
 	}
 
 	if creatorQueryRes.UserID == "" {
@@ -218,7 +223,8 @@ func RemoveLocalAlias(
 	}
 	var queryRes roomserverAPI.RemoveRoomAliasResponse
 	if err := aliasAPI.RemoveRoomAlias(req.Context(), &queryReq, &queryRes); err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("aliasAPI.RemoveRoomAlias failed")
+		return jsonerror.InternalServerError()
 	}
 
 	return util.JSONResponse{

clientapi/routing/filter.go

@@ -37,7 +37,8 @@ func GetFilter(
 	}
 	localpart, _, err := gomatrixserverlib.SplitID('@', userID)
 	if err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("gomatrixserverlib.SplitID failed")
+		return jsonerror.InternalServerError()
 	}
 
 	filter, err := accountDB.GetFilter(req.Context(), localpart, filterID)
@@ -74,7 +75,8 @@ func PutFilter(
 
 	localpart, _, err := gomatrixserverlib.SplitID('@', userID)
 	if err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("gomatrixserverlib.SplitID failed")
+		return jsonerror.InternalServerError()
 	}
 
 	var filter gomatrixserverlib.Filter
@@ -93,7 +95,8 @@ func PutFilter(
 
 	filterID, err := accountDB.PutFilter(req.Context(), localpart, &filter)
 	if err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("accountDB.PutFilter failed")
+		return jsonerror.InternalServerError()
 	}
 
 	return util.JSONResponse{

clientapi/routing/getevent.go

@@ -18,7 +18,6 @@ import (
 	"net/http"
 
 	"github.com/matrix-org/dendrite/clientapi/auth/authtypes"
-	"github.com/matrix-org/dendrite/clientapi/httputil"
 	"github.com/matrix-org/dendrite/clientapi/jsonerror"
 	"github.com/matrix-org/dendrite/common/config"
 	"github.com/matrix-org/dendrite/roomserver/api"
@@ -55,7 +54,8 @@ func GetEvent(
 	var eventsResp api.QueryEventsByIDResponse
 	err := queryAPI.QueryEventsByID(req.Context(), &eventsReq, &eventsResp)
 	if err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("queryAPI.QueryEventsByID failed")
+		return jsonerror.InternalServerError()
 	}
 
 	if len(eventsResp.Events) == 0 {
@@ -66,7 +66,7 @@ func GetEvent(
 		}
 	}
 
-	requestedEvent := eventsResp.Events[0]
+	requestedEvent := eventsResp.Events[0].Event
 
 	r := getEventRequest{
 		req:            req,
@@ -89,7 +89,8 @@ func GetEvent(
 	}
 	var stateResp api.QueryStateAfterEventsResponse
 	if err := queryAPI.QueryStateAfterEvents(req.Context(), &stateReq, &stateResp); err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("queryAPI.QueryStateAfterEvents failed")
+		return jsonerror.InternalServerError()
 	}
 
 	if !stateResp.RoomExists {
@@ -109,7 +110,8 @@ func GetEvent(
 		if stateEvent.StateKeyEquals(r.device.UserID) {
 			membership, err := stateEvent.Membership()
 			if err != nil {
-				return httputil.LogThenError(req, err)
+				util.GetLogger(req.Context()).WithError(err).Error("stateEvent.Membership failed")
+				return jsonerror.InternalServerError()
 			}
 			if membership == gomatrixserverlib.Join {
 				return util.JSONResponse{

clientapi/routing/joinroom.go

@@ -27,6 +27,7 @@ import (
 	"github.com/matrix-org/dendrite/clientapi/producers"
 	"github.com/matrix-org/dendrite/common"
 	"github.com/matrix-org/dendrite/common/config"
+	"github.com/matrix-org/dendrite/roomserver/api"
 	roomserverAPI "github.com/matrix-org/dendrite/roomserver/api"
 	"github.com/matrix-org/gomatrix"
 	"github.com/matrix-org/gomatrixserverlib"
@@ -62,12 +63,14 @@ func JoinRoomByIDOrAlias(
 
 	localpart, _, err := gomatrixserverlib.SplitID('@', device.UserID)
 	if err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("gomatrixserverlib.SplitID failed")
+		return jsonerror.InternalServerError()
 	}
 
 	profile, err := accountDB.GetProfileByLocalpart(req.Context(), localpart)
 	if err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("accountDB.GetProfileByLocalpart failed")
+		return jsonerror.InternalServerError()
 	}
 
 	content["membership"] = gomatrixserverlib.Join
@@ -119,7 +122,8 @@ func (r joinRoomReq) joinRoomByID(roomID string) util.JSONResponse {
 	}
 	var queryRes roomserverAPI.QueryInvitesForUserResponse
 	if err := r.queryAPI.QueryInvitesForUser(r.req.Context(), &queryReq, &queryRes); err != nil {
-		return httputil.LogThenError(r.req, err)
+		util.GetLogger(r.req.Context()).WithError(err).Error("r.queryAPI.QueryInvitesForUser failed")
+		return jsonerror.InternalServerError()
 	}
 
 	servers := []gomatrixserverlib.ServerName{}
@@ -127,7 +131,8 @@ func (r joinRoomReq) joinRoomByID(roomID string) util.JSONResponse {
 	for _, userID := range queryRes.InviteSenderUserIDs {
 		_, domain, err := gomatrixserverlib.SplitID('@', userID)
 		if err != nil {
-			return httputil.LogThenError(r.req, err)
+			util.GetLogger(r.req.Context()).WithError(err).Error("gomatrixserverlib.SplitID failed")
+			return jsonerror.InternalServerError()
 		}
 		if !seenInInviterIDs[domain] {
 			servers = append(servers, domain)
@@ -141,7 +146,8 @@ func (r joinRoomReq) joinRoomByID(roomID string) util.JSONResponse {
 	// Note: It's no guarantee we'll succeed because a room isn't bound to the domain in its ID
 	_, domain, err := gomatrixserverlib.SplitID('!', roomID)
 	if err != nil {
-		return httputil.LogThenError(r.req, err)
+		util.GetLogger(r.req.Context()).WithError(err).Error("gomatrixserverlib.SplitID failed")
+		return jsonerror.InternalServerError()
 	}
 	if domain != r.cfg.Matrix.ServerName && !seenInInviterIDs[domain] {
 		servers = append(servers, domain)
@@ -164,7 +170,8 @@ func (r joinRoomReq) joinRoomByAlias(roomAlias string) util.JSONResponse {
 		queryReq := roomserverAPI.GetRoomIDForAliasRequest{Alias: roomAlias}
 		var queryRes roomserverAPI.GetRoomIDForAliasResponse
 		if err = r.aliasAPI.GetRoomIDForAlias(r.req.Context(), &queryReq, &queryRes); err != nil {
-			return httputil.LogThenError(r.req, err)
+			util.GetLogger(r.req.Context()).WithError(err).Error("r.aliasAPI.GetRoomIDForAlias failed")
+			return jsonerror.InternalServerError()
 		}
 
 		if len(queryRes.RoomID) > 0 {
@@ -194,7 +201,8 @@ func (r joinRoomReq) joinRoomByRemoteAlias(
 				}
 			}
 		}
-		return httputil.LogThenError(r.req, err)
+		util.GetLogger(r.req.Context()).WithError(err).Error("r.federation.LookupRoomAlias failed")
+		return jsonerror.InternalServerError()
 	}
 
 	return r.joinRoomUsingServers(resp.RoomID, resp.Servers)
@@ -227,14 +235,23 @@ func (r joinRoomReq) joinRoomUsingServers(
 	var eb gomatrixserverlib.EventBuilder
 	err := r.writeToBuilder(&eb, roomID)
 	if err != nil {
-		return httputil.LogThenError(r.req, err)
+		util.GetLogger(r.req.Context()).WithError(err).Error("r.writeToBuilder failed")
+		return jsonerror.InternalServerError()
 	}
 
-	var queryRes roomserverAPI.QueryLatestEventsAndStateResponse
+	queryRes := roomserverAPI.QueryLatestEventsAndStateResponse{}
 	event, err := common.BuildEvent(r.req.Context(), &eb, r.cfg, r.evTime, r.queryAPI, &queryRes)
 	if err == nil {
-		if _, err = r.producer.SendEvents(r.req.Context(), []gomatrixserverlib.Event{*event}, r.cfg.Matrix.ServerName, nil); err != nil {
-			return httputil.LogThenError(r.req, err)
+		if _, err = r.producer.SendEvents(
+			r.req.Context(),
+			[]gomatrixserverlib.HeaderedEvent{
+				(*event).Headered(queryRes.RoomVersion),
+			},
+			r.cfg.Matrix.ServerName,
+			nil,
+		); err != nil {
+			util.GetLogger(r.req.Context()).WithError(err).Error("r.producer.SendEvents failed")
+			return jsonerror.InternalServerError()
 		}
 		return util.JSONResponse{
 			Code: http.StatusOK,
@@ -244,7 +261,8 @@ func (r joinRoomReq) joinRoomUsingServers(
 		}
 	}
 	if err != common.ErrRoomNoExists {
-		return httputil.LogThenError(r.req, err)
+		util.GetLogger(r.req.Context()).WithError(err).Error("common.BuildEvent failed")
+		return jsonerror.InternalServerError()
 	}
 
 	if len(servers) == 0 {
@@ -280,7 +298,8 @@ func (r joinRoomReq) joinRoomUsingServers(
 	//   4) We couldn't fetch the public keys needed to verify the
 	//      signatures on the state events.
 	//   5) ...
-	return httputil.LogThenError(r.req, lastErr)
+	util.GetLogger(r.req.Context()).WithError(lastErr).Error("failed to join through any server")
+	return jsonerror.InternalServerError()
 }
 
 // joinRoomUsingServer tries to join a remote room using a given matrix server.
@@ -288,7 +307,17 @@ func (r joinRoomReq) joinRoomUsingServers(
 // server was invalid this returns an error.
 // Otherwise this returns a JSONResponse.
 func (r joinRoomReq) joinRoomUsingServer(roomID string, server gomatrixserverlib.ServerName) (*util.JSONResponse, error) {
-	respMakeJoin, err := r.federation.MakeJoin(r.req.Context(), server, roomID, r.userID)
+	// Ask the room server for information about room versions.
+	var request api.QueryRoomVersionCapabilitiesRequest
+	var response api.QueryRoomVersionCapabilitiesResponse
+	if err := r.queryAPI.QueryRoomVersionCapabilities(r.req.Context(), &request, &response); err != nil {
+		return nil, err
+	}
+	var supportedVersions []gomatrixserverlib.RoomVersion
+	for version := range response.AvailableRoomVersions {
+		supportedVersions = append(supportedVersions, version)
+	}
+	respMakeJoin, err := r.federation.MakeJoin(r.req.Context(), server, roomID, r.userID, supportedVersions)
 	if err != nil {
 		// TODO: Check if the user was not allowed to join the room.
 		return nil, err
@@ -301,16 +330,29 @@ func (r joinRoomReq) joinRoomUsingServer(roomID string, server gomatrixserverlib
 		return nil, err
 	}
 
-	eventID := fmt.Sprintf("$%s:%s", util.RandomString(16), r.cfg.Matrix.ServerName)
+	if respMakeJoin.RoomVersion == "" {
+		respMakeJoin.RoomVersion = gomatrixserverlib.RoomVersionV1
+	}
+	if _, err = respMakeJoin.RoomVersion.EventFormat(); err != nil {
+		return &util.JSONResponse{
+			Code: http.StatusBadRequest,
+			JSON: jsonerror.UnsupportedRoomVersion(
+				fmt.Sprintf("Room version '%s' is not supported", respMakeJoin.RoomVersion),
+			),
+		}, nil
+	}
+
 	event, err := respMakeJoin.JoinEvent.Build(
-		eventID, r.evTime, r.cfg.Matrix.ServerName, r.cfg.Matrix.KeyID, r.cfg.Matrix.PrivateKey,
+		r.evTime, r.cfg.Matrix.ServerName, r.cfg.Matrix.KeyID,
+		r.cfg.Matrix.PrivateKey, respMakeJoin.RoomVersion,
 	)
 	if err != nil {
-		res := httputil.LogThenError(r.req, err)
+		util.GetLogger(r.req.Context()).WithError(err).Error("respMakeJoin.JoinEvent.Build failed")
+		res := jsonerror.InternalServerError()
 		return &res, nil
 	}
 
-	respSendJoin, err := r.federation.SendJoin(r.req.Context(), server, event)
+	respSendJoin, err := r.federation.SendJoin(r.req.Context(), server, event, respMakeJoin.RoomVersion)
 	if err != nil {
 		return nil, err
 	}
@@ -320,9 +362,12 @@ func (r joinRoomReq) joinRoomUsingServer(roomID string, server gomatrixserverlib
 	}
 
 	if err = r.producer.SendEventWithState(
-		r.req.Context(), gomatrixserverlib.RespState(respSendJoin.RespState), event,
+		r.req.Context(),
+		gomatrixserverlib.RespState(respSendJoin.RespState),
+		event.Headered(respMakeJoin.RoomVersion),
 	); err != nil {
-		res := httputil.LogThenError(r.req, err)
+		util.GetLogger(r.req.Context()).WithError(err).Error("gomatrixserverlib.RespState failed")
+		res := jsonerror.InternalServerError()
 		return &res, nil
 	}
 

clientapi/routing/login.go

@@ -122,7 +122,8 @@ func Login(
 
 		token, err := auth.GenerateAccessToken()
 		if err != nil {
-			return httputil.LogThenError(req, err)
+			util.GetLogger(req.Context()).WithError(err).Error("auth.GenerateAccessToken failed")
+			return jsonerror.InternalServerError()
 		}
 
 		dev, err := getDevice(req.Context(), r, deviceDB, acc, token)

clientapi/routing/logout.go

@@ -19,7 +19,7 @@ import (
 
 	"github.com/matrix-org/dendrite/clientapi/auth/authtypes"
 	"github.com/matrix-org/dendrite/clientapi/auth/storage/devices"
-	"github.com/matrix-org/dendrite/clientapi/httputil"
+	"github.com/matrix-org/dendrite/clientapi/jsonerror"
 	"github.com/matrix-org/gomatrixserverlib"
 	"github.com/matrix-org/util"
 )
@@ -30,11 +30,13 @@ func Logout(
 ) util.JSONResponse {
 	localpart, _, err := gomatrixserverlib.SplitID('@', device.UserID)
 	if err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("gomatrixserverlib.SplitID failed")
+		return jsonerror.InternalServerError()
 	}
 
 	if err := deviceDB.RemoveDevice(req.Context(), device.ID, localpart); err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("deviceDB.RemoveDevice failed")
+		return jsonerror.InternalServerError()
 	}
 
 	return util.JSONResponse{
@@ -49,11 +51,13 @@ func LogoutAll(
 ) util.JSONResponse {
 	localpart, _, err := gomatrixserverlib.SplitID('@', device.UserID)
 	if err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("gomatrixserverlib.SplitID failed")
+		return jsonerror.InternalServerError()
 	}
 
 	if err := deviceDB.RemoveAllDevices(req.Context(), localpart); err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("deviceDB.RemoveAllDevices failed")
+		return jsonerror.InternalServerError()
 	}
 
 	return util.JSONResponse{

clientapi/routing/membership.go

@@ -29,6 +29,7 @@ import (
 	"github.com/matrix-org/dendrite/clientapi/threepid"
 	"github.com/matrix-org/dendrite/common"
 	"github.com/matrix-org/dendrite/common/config"
+	"github.com/matrix-org/dendrite/roomserver/api"
 	roomserverAPI "github.com/matrix-org/dendrite/roomserver/api"
 	"github.com/matrix-org/gomatrixserverlib"
 
@@ -45,6 +46,15 @@ func SendMembership(
 	queryAPI roomserverAPI.RoomserverQueryAPI, asAPI appserviceAPI.AppServiceQueryAPI,
 	producer *producers.RoomserverProducer,
 ) util.JSONResponse {
+	verReq := api.QueryRoomVersionForRoomRequest{RoomID: roomID}
+	verRes := api.QueryRoomVersionForRoomResponse{}
+	if err := queryAPI.QueryRoomVersionForRoom(req.Context(), &verReq, &verRes); err != nil {
+		return util.JSONResponse{
+			Code: http.StatusBadRequest,
+			JSON: jsonerror.UnsupportedRoomVersion(err.Error()),
+		}
+	}
+
 	var body threepid.MembershipRequest
 	if reqErr := httputil.UnmarshalJSONRequest(req, &body); reqErr != nil {
 		return *reqErr
@@ -90,13 +100,18 @@ func SendMembership(
 			JSON: jsonerror.NotFound(err.Error()),
 		}
 	} else if err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("buildMembershipEvent failed")
+		return jsonerror.InternalServerError()
 	}
 
 	if _, err := producer.SendEvents(
-		req.Context(), []gomatrixserverlib.Event{*event}, cfg.Matrix.ServerName, nil,
+		req.Context(),
+		[]gomatrixserverlib.HeaderedEvent{(*event).Headered(verRes.RoomVersion)},
+		cfg.Matrix.ServerName,
+		nil,
 	); err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("producer.SendEvents failed")
+		return jsonerror.InternalServerError()
 	}
 
 	var returnData interface{} = struct{}{}
@@ -242,7 +257,8 @@ func checkAndProcessThreepid(
 			JSON: jsonerror.NotFound(err.Error()),
 		}
 	} else if err != nil {
-		er := httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("threepid.CheckAndProcessInvite failed")
+		er := jsonerror.InternalServerError()
 		return inviteStored, &er
 	}
 	return

clientapi/routing/memberships.go

@@ -17,8 +17,9 @@ package routing
 import (
 	"net/http"
 
+	"github.com/matrix-org/dendrite/clientapi/auth/storage/accounts"
+
 	"github.com/matrix-org/dendrite/clientapi/auth/authtypes"
-	"github.com/matrix-org/dendrite/clientapi/httputil"
 	"github.com/matrix-org/dendrite/clientapi/jsonerror"
 	"github.com/matrix-org/dendrite/common/config"
 	"github.com/matrix-org/dendrite/roomserver/api"
@@ -26,10 +27,14 @@ import (
 	"github.com/matrix-org/util"
 )
 
-type response struct {
+type getMembershipResponse struct {
 	Chunk []gomatrixserverlib.ClientEvent `json:"chunk"`
 }
 
+type getJoinedRoomsResponse struct {
+	JoinedRooms []string `json:"joined_rooms"`
+}
+
 // GetMemberships implements GET /rooms/{roomId}/members
 func GetMemberships(
 	req *http.Request, device *authtypes.Device, roomID string, joinedOnly bool,
@@ -43,7 +48,8 @@ func GetMemberships(
 	}
 	var queryRes api.QueryMembershipsForRoomResponse
 	if err := queryAPI.QueryMembershipsForRoom(req.Context(), &queryReq, &queryRes); err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("queryAPI.QueryMembershipsForRoom failed")
+		return jsonerror.InternalServerError()
 	}
 
 	if !queryRes.HasBeenInRoom {
@@ -55,6 +61,27 @@ func GetMemberships(
 
 	return util.JSONResponse{
 		Code: http.StatusOK,
-		JSON: response{queryRes.JoinEvents},
+		JSON: getMembershipResponse{queryRes.JoinEvents},
+	}
+}
+
+func GetJoinedRooms(
+	req *http.Request,
+	device *authtypes.Device,
+	accountsDB accounts.Database,
+) util.JSONResponse {
+	localpart, _, err := gomatrixserverlib.SplitID('@', device.UserID)
+	if err != nil {
+		util.GetLogger(req.Context()).WithError(err).Error("gomatrixserverlib.SplitID failed")
+		return jsonerror.InternalServerError()
+	}
+	joinedRooms, err := accountsDB.GetRoomIDsByLocalPart(req.Context(), localpart)
+	if err != nil {
+		util.GetLogger(req.Context()).WithError(err).Error("accountsDB.GetRoomIDsByLocalPart failed")
+		return jsonerror.InternalServerError()
+	}
+	return util.JSONResponse{
+		Code: http.StatusOK,
+		JSON: getJoinedRoomsResponse{joinedRooms},
 	}
 }

clientapi/routing/profile.go

@@ -50,7 +50,8 @@ func GetProfile(
 			}
 		}
 
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("getProfile failed")
+		return jsonerror.InternalServerError()
 	}
 
 	return util.JSONResponse{
@@ -77,7 +78,8 @@ func GetAvatarURL(
 			}
 		}
 
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("getProfile failed")
+		return jsonerror.InternalServerError()
 	}
 
 	return util.JSONResponse{
@@ -116,7 +118,8 @@ func SetAvatarURL(
 
 	localpart, _, err := gomatrixserverlib.SplitID('@', userID)
 	if err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("gomatrixserverlib.SplitID failed")
+		return jsonerror.InternalServerError()
 	}
 
 	evTime, err := httputil.ParseTSParam(req)
@@ -129,16 +132,19 @@ func SetAvatarURL(
 
 	oldProfile, err := accountDB.GetProfileByLocalpart(req.Context(), localpart)
 	if err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("accountDB.GetProfileByLocalpart failed")
+		return jsonerror.InternalServerError()
 	}
 
 	if err = accountDB.SetAvatarURL(req.Context(), localpart, r.AvatarURL); err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("accountDB.SetAvatarURL failed")
+		return jsonerror.InternalServerError()
 	}
 
 	memberships, err := accountDB.GetMembershipsByLocalpart(req.Context(), localpart)
 	if err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("accountDB.GetMembershipsByLocalpart failed")
+		return jsonerror.InternalServerError()
 	}
 
 	newProfile := authtypes.Profile{
@@ -151,15 +157,18 @@ func SetAvatarURL(
 		req.Context(), memberships, newProfile, userID, cfg, evTime, queryAPI,
 	)
 	if err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("buildMembershipEvents failed")
+		return jsonerror.InternalServerError()
 	}
 
 	if _, err := rsProducer.SendEvents(req.Context(), events, cfg.Matrix.ServerName, nil); err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("rsProducer.SendEvents failed")
+		return jsonerror.InternalServerError()
 	}
 
 	if err := producer.SendUpdate(userID, changedKey, oldProfile.AvatarURL, r.AvatarURL); err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("producer.SendUpdate failed")
+		return jsonerror.InternalServerError()
 	}
 
 	return util.JSONResponse{
@@ -183,7 +192,8 @@ func GetDisplayName(
 			}
 		}
 
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("getProfile failed")
+		return jsonerror.InternalServerError()
 	}
 
 	return util.JSONResponse{
@@ -222,7 +232,8 @@ func SetDisplayName(
 
 	localpart, _, err := gomatrixserverlib.SplitID('@', userID)
 	if err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("gomatrixserverlib.SplitID failed")
+		return jsonerror.InternalServerError()
 	}
 
 	evTime, err := httputil.ParseTSParam(req)
@@ -235,16 +246,19 @@ func SetDisplayName(
 
 	oldProfile, err := accountDB.GetProfileByLocalpart(req.Context(), localpart)
 	if err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("accountDB.GetProfileByLocalpart failed")
+		return jsonerror.InternalServerError()
 	}
 
 	if err = accountDB.SetDisplayName(req.Context(), localpart, r.DisplayName); err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("accountDB.SetDisplayName failed")
+		return jsonerror.InternalServerError()
 	}
 
 	memberships, err := accountDB.GetMembershipsByLocalpart(req.Context(), localpart)
 	if err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("accountDB.GetMembershipsByLocalpart failed")
+		return jsonerror.InternalServerError()
 	}
 
 	newProfile := authtypes.Profile{
@@ -257,15 +271,18 @@ func SetDisplayName(
 		req.Context(), memberships, newProfile, userID, cfg, evTime, queryAPI,
 	)
 	if err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("buildMembershipEvents failed")
+		return jsonerror.InternalServerError()
 	}
 
 	if _, err := rsProducer.SendEvents(req.Context(), events, cfg.Matrix.ServerName, nil); err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("rsProducer.SendEvents failed")
+		return jsonerror.InternalServerError()
 	}
 
 	if err := producer.SendUpdate(userID, changedKey, oldProfile.DisplayName, r.DisplayName); err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("producer.SendUpdate failed")
+		return jsonerror.InternalServerError()
 	}
 
 	return util.JSONResponse{
@@ -321,10 +338,16 @@ func buildMembershipEvents(
 	memberships []authtypes.Membership,
 	newProfile authtypes.Profile, userID string, cfg *config.Dendrite,
 	evTime time.Time, queryAPI api.RoomserverQueryAPI,
-) ([]gomatrixserverlib.Event, error) {
-	evs := []gomatrixserverlib.Event{}
+) ([]gomatrixserverlib.HeaderedEvent, error) {
+	evs := []gomatrixserverlib.HeaderedEvent{}
 
 	for _, membership := range memberships {
+		verReq := api.QueryRoomVersionForRoomRequest{RoomID: membership.RoomID}
+		verRes := api.QueryRoomVersionForRoomResponse{}
+		if err := queryAPI.QueryRoomVersionForRoom(ctx, &verReq, &verRes); err != nil {
+			return []gomatrixserverlib.HeaderedEvent{}, err
+		}
+
 		builder := gomatrixserverlib.EventBuilder{
 			Sender:   userID,
 			RoomID:   membership.RoomID,
@@ -348,7 +371,7 @@ func buildMembershipEvents(
 			return nil, err
 		}
 
-		evs = append(evs, *event)
+		evs = append(evs, (*event).Headered(verRes.RoomVersion))
 	}
 
 	return evs, nil

clientapi/routing/register.go

@@ -444,7 +444,6 @@ func Register(
 	deviceDB devices.Database,
 	cfg *config.Dendrite,
 ) util.JSONResponse {
-
 	var r registerRequest
 	resErr := httputil.UnmarshalJSONRequest(req, &r)
 	if resErr != nil {
@@ -472,7 +471,8 @@ func Register(
 	if r.Username == "" {
 		id, err := accountDB.GetNewNumericLocalpart(req.Context())
 		if err != nil {
-			return httputil.LogThenError(req, err)
+			util.GetLogger(req.Context()).WithError(err).Error("accountDB.GetNewNumericLocalpart failed")
+			return jsonerror.InternalServerError()
 		}
 
 		r.Username = strconv.FormatInt(id, 10)
@@ -516,15 +516,7 @@ func handleGuestRegistration(
 	accountDB accounts.Database,
 	deviceDB devices.Database,
 ) util.JSONResponse {
-
-	//Generate numeric local part for guest user
-	id, err := accountDB.GetNewNumericLocalpart(req.Context())
-	if err != nil {
-		return httputil.LogThenError(req, err)
-	}
-
-	localpart := strconv.FormatInt(id, 10)
-	acc, err := accountDB.CreateAccount(req.Context(), localpart, "", "")
+	acc, err := accountDB.CreateGuestAccount(req.Context())
 	if err != nil {
 		return util.JSONResponse{
 			Code: http.StatusInternalServerError,
@@ -602,7 +594,8 @@ func handleRegistrationFlow(
 		valid, err := isValidMacLogin(cfg, r.Username, r.Password, r.Admin, r.Auth.Mac)
 
 		if err != nil {
-			return httputil.LogThenError(req, err)
+			util.GetLogger(req.Context()).WithError(err).Error("isValidMacLogin failed")
+			return jsonerror.InternalServerError()
 		} else if !valid {
 			return util.MessageResponse(http.StatusForbidden, "HMAC incorrect")
 		}
@@ -758,7 +751,8 @@ func LegacyRegister(
 
 		valid, err := isValidMacLogin(cfg, r.Username, r.Password, r.Admin, r.Mac)
 		if err != nil {
-			return httputil.LogThenError(req, err)
+			util.GetLogger(req.Context()).WithError(err).Error("isValidMacLogin failed")
+			return jsonerror.InternalServerError()
 		}
 
 		if !valid {

clientapi/routing/room_tagging.go

@@ -56,7 +56,8 @@ func GetTags(
 
 	_, data, err := obtainSavedTags(req, userID, roomID, accountDB)
 	if err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("obtainSavedTags failed")
+		return jsonerror.InternalServerError()
 	}
 
 	if data == nil {
@@ -99,20 +100,23 @@ func PutTag(
 
 	localpart, data, err := obtainSavedTags(req, userID, roomID, accountDB)
 	if err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("obtainSavedTags failed")
+		return jsonerror.InternalServerError()
 	}
 
 	var tagContent gomatrix.TagContent
 	if data != nil {
 		if err = json.Unmarshal(data.Content, &tagContent); err != nil {
-			return httputil.LogThenError(req, err)
+			util.GetLogger(req.Context()).WithError(err).Error("json.Unmarshal failed")
+			return jsonerror.InternalServerError()
 		}
 	} else {
 		tagContent = newTag()
 	}
 	tagContent.Tags[tag] = properties
 	if err = saveTagData(req, localpart, roomID, accountDB, tagContent); err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("saveTagData failed")
+		return jsonerror.InternalServerError()
 	}
 
 	// Send data to syncProducer in order to inform clients of changes
@@ -151,7 +155,8 @@ func DeleteTag(
 
 	localpart, data, err := obtainSavedTags(req, userID, roomID, accountDB)
 	if err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("obtainSavedTags failed")
+		return jsonerror.InternalServerError()
 	}
 
 	// If there are no tags in the database, exit
@@ -166,7 +171,8 @@ func DeleteTag(
 	var tagContent gomatrix.TagContent
 	err = json.Unmarshal(data.Content, &tagContent)
 	if err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("json.Unmarshal failed")
+		return jsonerror.InternalServerError()
 	}
 
 	// Check whether the tag to be deleted exists
@@ -180,7 +186,8 @@ func DeleteTag(
 		}
 	}
 	if err = saveTagData(req, localpart, roomID, accountDB, tagContent); err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("saveTagData failed")
+		return jsonerror.InternalServerError()
 	}
 
 	// Send data to syncProducer in order to inform clients of changes

clientapi/routing/routing.go

@@ -105,6 +105,12 @@ func Setup(
 			)
 		}),
 	).Methods(http.MethodPost, http.MethodOptions)
+	r0mux.Handle("/joined_rooms",
+		common.MakeAuthAPI("joined_rooms", authData, func(req *http.Request, device *authtypes.Device) util.JSONResponse {
+			return GetJoinedRooms(req, device, accountDB)
+		}),
+	).Methods(http.MethodGet, http.MethodOptions)
+
 	r0mux.Handle("/rooms/{roomID}/{membership:(?:join|kick|ban|unban|leave|invite)}",
 		common.MakeAuthAPI("membership", authData, func(req *http.Request, device *authtypes.Device) util.JSONResponse {
 			vars, err := common.URLDecodeMapValues(mux.Vars(req))
@@ -390,7 +396,7 @@ func Setup(
 		}),
 	).Methods(http.MethodGet, http.MethodOptions)
 
-	unstableMux.Handle("/thirdparty/protocols",
+	r0mux.Handle("/thirdparty/protocols",
 		common.MakeExternalAPI("thirdparty_protocols", func(req *http.Request) util.JSONResponse {
 			// TODO: Return the third party protcols
 			return util.JSONResponse{

clientapi/routing/sendevent.go

@@ -27,6 +27,7 @@ import (
 	"github.com/matrix-org/dendrite/roomserver/api"
 	"github.com/matrix-org/gomatrixserverlib"
 	"github.com/matrix-org/util"
+	"github.com/sirupsen/logrus"
 )
 
 // http://matrix.org/docs/spec/client_server/r0.2.0.html#put-matrix-client-r0-rooms-roomid-send-eventtype-txnid
@@ -48,6 +49,15 @@ func SendEvent(
 	producer *producers.RoomserverProducer,
 	txnCache *transactions.Cache,
 ) util.JSONResponse {
+	verReq := api.QueryRoomVersionForRoomRequest{RoomID: roomID}
+	verRes := api.QueryRoomVersionForRoomResponse{}
+	if err := queryAPI.QueryRoomVersionForRoom(req.Context(), &verReq, &verRes); err != nil {
+		return util.JSONResponse{
+			Code: http.StatusBadRequest,
+			JSON: jsonerror.UnsupportedRoomVersion(err.Error()),
+		}
+	}
+
 	if txnID != nil {
 		// Try to fetch response from transactionsCache
 		if res, ok := txnCache.FetchTransaction(device.AccessToken, *txnID); ok {
@@ -71,11 +81,22 @@ func SendEvent(
 	// pass the new event to the roomserver and receive the correct event ID
 	// event ID in case of duplicate transaction is discarded
 	eventID, err := producer.SendEvents(
-		req.Context(), []gomatrixserverlib.Event{*e}, cfg.Matrix.ServerName, txnAndSessionID,
+		req.Context(),
+		[]gomatrixserverlib.HeaderedEvent{
+			e.Headered(verRes.RoomVersion),
+		},
+		cfg.Matrix.ServerName,
+		txnAndSessionID,
 	)
 	if err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("producer.SendEvents failed")
+		return jsonerror.InternalServerError()
 	}
+	util.GetLogger(req.Context()).WithFields(logrus.Fields{
+		"event_id":     eventID,
+		"room_id":      roomID,
+		"room_version": verRes.RoomVersion,
+	}).Info("Sent event to roomserver")
 
 	res := util.JSONResponse{
 		Code: http.StatusOK,
@@ -121,7 +142,8 @@ func generateSendEvent(
 	}
 	err = builder.SetContent(r)
 	if err != nil {
-		resErr := httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("builder.SetContent failed")
+		resErr := jsonerror.InternalServerError()
 		return nil, &resErr
 	}
 
@@ -133,14 +155,15 @@ func generateSendEvent(
 			JSON: jsonerror.NotFound("Room does not exist"),
 		}
 	} else if err != nil {
-		resErr := httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("common.BuildEvent failed")
+		resErr := jsonerror.InternalServerError()
 		return nil, &resErr
 	}
 
 	// check to see if this user can perform this operation
 	stateEvents := make([]*gomatrixserverlib.Event, len(queryRes.StateEvents))
 	for i := range queryRes.StateEvents {
-		stateEvents[i] = &queryRes.StateEvents[i]
+		stateEvents[i] = &queryRes.StateEvents[i].Event
 	}
 	provider := gomatrixserverlib.NewAuthEvents(stateEvents)
 	if err = gomatrixserverlib.Allowed(*e, &provider); err != nil {

clientapi/routing/sendtyping.go

@@ -46,7 +46,8 @@ func SendTyping(
 
 	localpart, err := userutil.ParseUsernameParam(userID, nil)
 	if err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("userutil.ParseUsernameParam failed")
+		return jsonerror.InternalServerError()
 	}
 
 	// Verify that the user is a member of this room
@@ -57,7 +58,8 @@ func SendTyping(
 			JSON: jsonerror.Forbidden("User not in this room"),
 		}
 	} else if err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("accountDB.GetMembershipInRoomByLocalPart failed")
+		return jsonerror.InternalServerError()
 	}
 
 	// parse the incoming http request
@@ -70,7 +72,8 @@ func SendTyping(
 	if err = typingProducer.Send(
 		req.Context(), userID, roomID, r.Typing, r.Timeout,
 	); err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("typingProducer.Send failed")
+		return jsonerror.InternalServerError()
 	}
 
 	return util.JSONResponse{

clientapi/routing/threepid.go

@@ -51,7 +51,8 @@ func RequestEmailToken(req *http.Request, accountDB accounts.Database, cfg *conf
 	// Check if the 3PID is already in use locally
 	localpart, err := accountDB.GetLocalpartForThreePID(req.Context(), body.Email, "email")
 	if err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("accountDB.GetLocalpartForThreePID failed")
+		return jsonerror.InternalServerError()
 	}
 
 	if len(localpart) > 0 {
@@ -71,7 +72,8 @@ func RequestEmailToken(req *http.Request, accountDB accounts.Database, cfg *conf
 			JSON: jsonerror.NotTrusted(body.IDServer),
 		}
 	} else if err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("threepid.CreateSession failed")
+		return jsonerror.InternalServerError()
 	}
 
 	return util.JSONResponse{
@@ -98,7 +100,8 @@ func CheckAndSave3PIDAssociation(
 			JSON: jsonerror.NotTrusted(body.Creds.IDServer),
 		}
 	} else if err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("threepid.CheckAssociation failed")
+		return jsonerror.InternalServerError()
 	}
 
 	if !verified {
@@ -120,18 +123,21 @@ func CheckAndSave3PIDAssociation(
 				JSON: jsonerror.NotTrusted(body.Creds.IDServer),
 			}
 		} else if err != nil {
-			return httputil.LogThenError(req, err)
+			util.GetLogger(req.Context()).WithError(err).Error("threepid.PublishAssociation failed")
+			return jsonerror.InternalServerError()
 		}
 	}
 
 	// Save the association in the database
 	localpart, _, err := gomatrixserverlib.SplitID('@', device.UserID)
 	if err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("gomatrixserverlib.SplitID failed")
+		return jsonerror.InternalServerError()
 	}
 
 	if err = accountDB.SaveThreePIDAssociation(req.Context(), address, localpart, medium); err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("accountsDB.SaveThreePIDAssociation failed")
+		return jsonerror.InternalServerError()
 	}
 
 	return util.JSONResponse{
@@ -146,12 +152,14 @@ func GetAssociated3PIDs(
 ) util.JSONResponse {
 	localpart, _, err := gomatrixserverlib.SplitID('@', device.UserID)
 	if err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("gomatrixserverlib.SplitID failed")
+		return jsonerror.InternalServerError()
 	}
 
 	threepids, err := accountDB.GetThreePIDsForLocalpart(req.Context(), localpart)
 	if err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("accountDB.GetThreePIDsForLocalpart failed")
+		return jsonerror.InternalServerError()
 	}
 
 	return util.JSONResponse{
@@ -168,7 +176,8 @@ func Forget3PID(req *http.Request, accountDB accounts.Database) util.JSONRespons
 	}
 
 	if err := accountDB.RemoveThreePIDAssociation(req.Context(), body.Address, body.Medium); err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("accountDB.RemoveThreePIDAssociation failed")
+		return jsonerror.InternalServerError()
 	}
 
 	return util.JSONResponse{

clientapi/routing/voip.go

@@ -23,7 +23,7 @@ import (
 	"time"
 
 	"github.com/matrix-org/dendrite/clientapi/auth/authtypes"
-	"github.com/matrix-org/dendrite/clientapi/httputil"
+	"github.com/matrix-org/dendrite/clientapi/jsonerror"
 	"github.com/matrix-org/dendrite/common/config"
 	"github.com/matrix-org/gomatrix"
 	"github.com/matrix-org/util"
@@ -56,7 +56,8 @@ func RequestTurnServer(req *http.Request, device *authtypes.Device, cfg *config.
 		_, err := mac.Write([]byte(resp.Username))
 
 		if err != nil {
-			return httputil.LogThenError(req, err)
+			util.GetLogger(req.Context()).WithError(err).Error("mac.Write failed")
+			return jsonerror.InternalServerError()
 		}
 
 		resp.Username = fmt.Sprintf("%d:%s", expiry, device.UserID)

clientapi/threepid/invites.go

@@ -353,12 +353,19 @@ func emit3PIDInviteEvent(
 		return err
 	}
 
-	var queryRes *api.QueryLatestEventsAndStateResponse
-	event, err := common.BuildEvent(ctx, builder, cfg, evTime, queryAPI, queryRes)
+	queryRes := api.QueryLatestEventsAndStateResponse{}
+	event, err := common.BuildEvent(ctx, builder, cfg, evTime, queryAPI, &queryRes)
 	if err != nil {
 		return err
 	}
 
-	_, err = producer.SendEvents(ctx, []gomatrixserverlib.Event{*event}, cfg.Matrix.ServerName, nil)
+	_, err = producer.SendEvents(
+		ctx,
+		[]gomatrixserverlib.HeaderedEvent{
+			(*event).Headered(queryRes.RoomVersion),
+		},
+		cfg.Matrix.ServerName,
+		nil,
+	)
 	return err
 }

cmd/create-room-events/main.go

@@ -103,12 +103,14 @@ func main() {
 // Build an event and write the event to the output.
 func buildAndOutput() gomatrixserverlib.EventReference {
 	eventID++
-	id := fmt.Sprintf("$%d:%s", eventID, *serverName)
 	now = time.Unix(0, 0)
 	name := gomatrixserverlib.ServerName(*serverName)
 	key := gomatrixserverlib.KeyID(*keyID)
 
-	event, err := b.Build(id, now, name, key, privateKey)
+	event, err := b.Build(
+		now, name, key, privateKey,
+		gomatrixserverlib.RoomVersionV1,
+	)
 	if err != nil {
 		panic(err)
 	}
@@ -125,9 +127,9 @@ func writeEvent(event gomatrixserverlib.Event) {
 	if *format == "InputRoomEvent" {
 		var ire api.InputRoomEvent
 		ire.Kind = api.KindNew
-		ire.Event = event
+		ire.Event = event.Headered(gomatrixserverlib.RoomVersionV1)
 		authEventIDs := []string{}
-		for _, ref := range b.AuthEvents {
+		for _, ref := range b.AuthEvents.([]gomatrixserverlib.EventReference) {
 			authEventIDs = append(authEventIDs, ref.EventID)
 		}
 		ire.AuthEventIDs = authEventIDs

cmd/dendrite-monolith-server/main.go

@@ -69,7 +69,7 @@ func main() {
 	)
 	federationapi.SetupFederationAPIComponent(base, accountDB, deviceDB, federation, &keyRing, alias, input, query, asQuery, fedSenderAPI)
 	mediaapi.SetupMediaAPIComponent(base, deviceDB)
-	publicroomsapi.SetupPublicRoomsAPIComponent(base, deviceDB, query)
+	publicroomsapi.SetupPublicRoomsAPIComponent(base, deviceDB, query, federation, nil)
 	syncapi.SetupSyncAPIComponent(base, deviceDB, accountDB, query, federation, cfg)
 
 	httpHandler := common.WrapHandlerInCORS(base.APIMux)

cmd/dendrite-public-rooms-api-server/main.go

@@ -28,7 +28,7 @@ func main() {
 
 	_, _, query := base.CreateHTTPRoomserverAPIs()
 
-	publicroomsapi.SetupPublicRoomsAPIComponent(base, deviceDB, query)
+	publicroomsapi.SetupPublicRoomsAPIComponent(base, deviceDB, query, nil, nil)
 
 	base.SetupAndServeHTTP(string(base.Cfg.Bind.PublicRoomsAPI), string(base.Cfg.Listen.PublicRoomsAPI))
 

cmd/dendritejs/jsServer.go

@@ -0,0 +1,104 @@
+// 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.
+
+// +build wasm
+
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"net/http"
+	"net/http/httptest"
+	"strings"
+	"syscall/js"
+)
+
+// JSServer exposes an HTTP-like server interface which allows JS to 'send' requests to it.
+type JSServer struct {
+	// The router which will service requests
+	Mux *http.ServeMux
+}
+
+// OnRequestFromJS is the function that JS will invoke when there is a new request.
+// The JS function signature is:
+//   function(reqString: string): Promise<{result: string, error: string}>
+// Usage is like:
+//   const res = await global._go_js_server.fetch(reqString);
+//   if (res.error) {
+//     // handle error: this is a 'network' error, not a non-2xx error.
+//   }
+//   const rawHttpResponse = res.result;
+func (h *JSServer) OnRequestFromJS(this js.Value, args []js.Value) interface{} {
+	// we HAVE to spawn a new goroutine and return immediately or else Go will deadlock
+	// if this request blocks at all e.g for /sync calls
+	httpStr := args[0].String()
+	promise := js.Global().Get("Promise").New(js.FuncOf(func(pthis js.Value, pargs []js.Value) interface{} {
+		// The initial callback code for new Promise() is also called on the critical path, which is why
+		// we need to put this in an immediately invoked goroutine.
+		go func() {
+			resolve := pargs[0]
+			fmt.Println("Received request:")
+			fmt.Printf("%s\n", httpStr)
+			resStr, err := h.handle(httpStr)
+			errStr := ""
+			if err != nil {
+				errStr = err.Error()
+			}
+			fmt.Println("Sending response:")
+			fmt.Printf("%s\n", resStr)
+			resolve.Invoke(map[string]interface{}{
+				"result": resStr,
+				"error":  errStr,
+			})
+		}()
+		return nil
+	}))
+	return promise
+}
+
+// handle invokes the http.ServeMux for this request and returns the raw HTTP response.
+func (h *JSServer) handle(httpStr string) (resStr string, err error) {
+	req, err := http.ReadRequest(bufio.NewReader(strings.NewReader(httpStr)))
+	if err != nil {
+		return
+	}
+	w := httptest.NewRecorder()
+
+	h.Mux.ServeHTTP(w, req)
+
+	res := w.Result()
+	var resBuffer strings.Builder
+	err = res.Write(&resBuffer)
+	return resBuffer.String(), err
+}
+
+// ListenAndServe registers a variable in JS-land with the given namespace. This variable is
+// a function which JS-land can call to 'send' HTTP requests. The function is attached to
+// a global object called "_go_js_server". See OnRequestFromJS for more info.
+func (h *JSServer) ListenAndServe(namespace string) {
+	globalName := "_go_js_server"
+	// register a hook in JS-land for it to invoke stuff
+	server := js.Global().Get(globalName)
+	if !server.Truthy() {
+		server = js.Global().Get("Object").New()
+		js.Global().Set(globalName, server)
+	}
+
+	server.Set(namespace, js.FuncOf(h.OnRequestFromJS))
+
+	fmt.Printf("Listening for requests from JS on function %s.%s\n", globalName, namespace)
+	// Block forever to mimic http.ListenAndServe
+	select {}
+}

cmd/dendritejs/keyfetcher.go

@@ -0,0 +1,84 @@
+// 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.
+
+// +build wasm
+
+package main
+
+import (
+	"context"
+	"fmt"
+	"time"
+
+	"github.com/libp2p/go-libp2p-core/peer"
+	"github.com/matrix-org/gomatrixserverlib"
+	"github.com/matrix-org/util"
+)
+
+const libp2pMatrixKeyID = "ed25519:libp2p-dendrite"
+
+type libp2pKeyFetcher struct {
+}
+
+// FetchKeys looks up a batch of public keys.
+// Takes a map from (server name, key ID) pairs to timestamp.
+// The timestamp is when the keys need to be vaild up to.
+// Returns a map from (server name, key ID) pairs to server key objects for
+// that server name containing that key ID
+// The result may have fewer (server name, key ID) pairs than were in the request.
+// The result may have more (server name, key ID) pairs than were in the request.
+// Returns an error if there was a problem fetching the keys.
+func (f *libp2pKeyFetcher) FetchKeys(
+	ctx context.Context,
+	requests map[gomatrixserverlib.PublicKeyLookupRequest]gomatrixserverlib.Timestamp,
+) (map[gomatrixserverlib.PublicKeyLookupRequest]gomatrixserverlib.PublicKeyLookupResult, error) {
+	res := make(map[gomatrixserverlib.PublicKeyLookupRequest]gomatrixserverlib.PublicKeyLookupResult)
+	for req := range requests {
+		if req.KeyID != libp2pMatrixKeyID {
+			return nil, fmt.Errorf("FetchKeys: cannot fetch key with ID %s, should be %s", req.KeyID, libp2pMatrixKeyID)
+		}
+
+		// The server name is a libp2p peer ID
+		peerIDStr := string(req.ServerName)
+		peerID, err := peer.Decode(peerIDStr)
+		if err != nil {
+			return nil, fmt.Errorf("Failed to decode peer ID from server name '%s': %w", peerIDStr, err)
+		}
+		pubKey, err := peerID.ExtractPublicKey()
+		if err != nil {
+			return nil, fmt.Errorf("Failed to extract public key from peer ID: %w", err)
+		}
+		pubKeyBytes, err := pubKey.Raw()
+		if err != nil {
+			return nil, fmt.Errorf("Failed to extract raw bytes from public key: %w", err)
+		}
+		util.GetLogger(ctx).Info("libp2pKeyFetcher.FetchKeys: Using public key %v for server name %s", pubKeyBytes, req.ServerName)
+
+		b64Key := gomatrixserverlib.Base64String(pubKeyBytes)
+		res[req] = gomatrixserverlib.PublicKeyLookupResult{
+			VerifyKey: gomatrixserverlib.VerifyKey{
+				Key: b64Key,
+			},
+			ExpiredTS:    gomatrixserverlib.PublicKeyNotExpired,
+			ValidUntilTS: gomatrixserverlib.AsTimestamp(time.Now().Add(24 * time.Hour * 365)),
+		}
+	}
+	return res, nil
+}
+
+// FetcherName returns the name of this fetcher, which can then be used for
+// logging errors etc.
+func (f *libp2pKeyFetcher) FetcherName() string {
+	return "libp2pKeyFetcher"
+}

cmd/dendritejs/main.go

@@ -0,0 +1,167 @@
+// 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.
+
+// +build wasm
+
+package main
+
+import (
+	"crypto/ed25519"
+	"fmt"
+	"net/http"
+
+	"github.com/matrix-org/dendrite/appservice"
+	"github.com/matrix-org/dendrite/clientapi"
+	"github.com/matrix-org/dendrite/common"
+	"github.com/matrix-org/dendrite/common/basecomponent"
+	"github.com/matrix-org/dendrite/common/config"
+	"github.com/matrix-org/dendrite/common/transactions"
+	"github.com/matrix-org/dendrite/federationapi"
+	"github.com/matrix-org/dendrite/federationsender"
+	"github.com/matrix-org/dendrite/mediaapi"
+	"github.com/matrix-org/dendrite/publicroomsapi"
+	"github.com/matrix-org/dendrite/roomserver"
+	"github.com/matrix-org/dendrite/syncapi"
+	"github.com/matrix-org/dendrite/typingserver"
+	"github.com/matrix-org/dendrite/typingserver/cache"
+	"github.com/matrix-org/go-http-js-libp2p/go_http_js_libp2p"
+	"github.com/matrix-org/gomatrixserverlib"
+
+	"github.com/sirupsen/logrus"
+
+	_ "github.com/matrix-org/go-sqlite3-js"
+)
+
+func init() {
+	fmt.Println("dendrite.js starting...")
+}
+
+func generateKey() ed25519.PrivateKey {
+	_, priv, err := ed25519.GenerateKey(nil)
+	if err != nil {
+		logrus.Fatalf("Failed to generate ed25519 key: %s", err)
+	}
+	return priv
+}
+
+func createFederationClient(cfg *config.Dendrite, node *go_http_js_libp2p.P2pLocalNode) *gomatrixserverlib.FederationClient {
+	fmt.Println("Running in js-libp2p federation mode")
+	fmt.Println("Warning: Federation with non-libp2p homeservers will not work in this mode yet!")
+	tr := go_http_js_libp2p.NewP2pTransport(node)
+
+	fed := gomatrixserverlib.NewFederationClient(
+		cfg.Matrix.ServerName, cfg.Matrix.KeyID, cfg.Matrix.PrivateKey,
+	)
+	fed.Client = *gomatrixserverlib.NewClientWithTransport(tr)
+
+	return fed
+}
+
+func createP2PNode(privKey ed25519.PrivateKey) (serverName string, node *go_http_js_libp2p.P2pLocalNode) {
+	hosted := "/dns4/rendezvous.matrix.org/tcp/8443/wss/p2p-websocket-star/"
+	node = go_http_js_libp2p.NewP2pLocalNode("org.matrix.p2p.experiment", privKey.Seed(), []string{hosted})
+	serverName = node.Id
+	fmt.Println("p2p assigned ServerName: ", serverName)
+	return
+}
+
+func main() {
+	cfg := &config.Dendrite{}
+	cfg.SetDefaults()
+	cfg.Kafka.UseNaffka = true
+	cfg.Database.Account = "file:dendritejs_account.db"
+	cfg.Database.AppService = "file:dendritejs_appservice.db"
+	cfg.Database.Device = "file:dendritejs_device.db"
+	cfg.Database.FederationSender = "file:dendritejs_fedsender.db"
+	cfg.Database.MediaAPI = "file:dendritejs_mediaapi.db"
+	cfg.Database.Naffka = "file:dendritejs_naffka.db"
+	cfg.Database.PublicRoomsAPI = "file:dendritejs_publicrooms.db"
+	cfg.Database.RoomServer = "file:dendritejs_roomserver.db"
+	cfg.Database.ServerKey = "file:dendritejs_serverkey.db"
+	cfg.Database.SyncAPI = "file:dendritejs_syncapi.db"
+	cfg.Kafka.Topics.UserUpdates = "user_updates"
+	cfg.Kafka.Topics.OutputTypingEvent = "output_typing_event"
+	cfg.Kafka.Topics.OutputClientData = "output_client_data"
+	cfg.Kafka.Topics.OutputRoomEvent = "output_room_event"
+	cfg.Matrix.TrustedIDServers = []string{
+		"matrix.org", "vector.im",
+	}
+	cfg.Matrix.KeyID = libp2pMatrixKeyID
+	cfg.Matrix.PrivateKey = generateKey()
+
+	serverName, node := createP2PNode(cfg.Matrix.PrivateKey)
+	cfg.Matrix.ServerName = gomatrixserverlib.ServerName(serverName)
+
+	if err := cfg.Derive(); err != nil {
+		logrus.Fatalf("Failed to derive values from config: %s", err)
+	}
+	base := basecomponent.NewBaseDendrite(cfg, "Monolith")
+	defer base.Close() // nolint: errcheck
+
+	accountDB := base.CreateAccountsDB()
+	deviceDB := base.CreateDeviceDB()
+	keyDB := base.CreateKeyDB()
+	federation := createFederationClient(cfg, node)
+	keyRing := gomatrixserverlib.KeyRing{
+		KeyFetchers: []gomatrixserverlib.KeyFetcher{
+			&libp2pKeyFetcher{},
+		},
+		KeyDatabase: keyDB,
+	}
+	p2pPublicRoomProvider := NewLibP2PPublicRoomsProvider(node)
+
+	alias, input, query := roomserver.SetupRoomServerComponent(base)
+	typingInputAPI := typingserver.SetupTypingServerComponent(base, cache.NewTypingCache())
+	asQuery := appservice.SetupAppServiceAPIComponent(
+		base, accountDB, deviceDB, federation, alias, query, transactions.New(),
+	)
+	fedSenderAPI := federationsender.SetupFederationSenderComponent(base, federation, query)
+
+	clientapi.SetupClientAPIComponent(
+		base, deviceDB, accountDB,
+		federation, &keyRing, alias, input, query,
+		typingInputAPI, asQuery, transactions.New(), fedSenderAPI,
+	)
+	federationapi.SetupFederationAPIComponent(base, accountDB, deviceDB, federation, &keyRing, alias, input, query, asQuery, fedSenderAPI)
+	mediaapi.SetupMediaAPIComponent(base, deviceDB)
+	publicroomsapi.SetupPublicRoomsAPIComponent(base, deviceDB, query, federation, p2pPublicRoomProvider)
+	syncapi.SetupSyncAPIComponent(base, deviceDB, accountDB, query, federation, cfg)
+
+	httpHandler := common.WrapHandlerInCORS(base.APIMux)
+
+	http.Handle("/", httpHandler)
+
+	// Expose the matrix APIs via libp2p-js - for federation traffic
+	if node != nil {
+		go func() {
+			logrus.Info("Listening on libp2p-js host ID ", node.Id)
+			s := JSServer{
+				Mux: http.DefaultServeMux,
+			}
+			s.ListenAndServe("p2p")
+		}()
+	}
+
+	// Expose the matrix APIs via fetch - for local traffic
+	go func() {
+		logrus.Info("Listening for service-worker fetch traffic")
+		s := JSServer{
+			Mux: http.DefaultServeMux,
+		}
+		s.ListenAndServe("fetch")
+	}()
+
+	// We want to block forever to let the fetch and libp2p handler serve the APIs
+	select {}
+}

cmd/dendritejs/main_noop.go

@@ -0,0 +1,23 @@
+// 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.
+
+// +build !wasm
+
+package main
+
+import "fmt"
+
+func main() {
+	fmt.Println("dendritejs: no-op when not compiling for WebAssembly")
+}

cmd/dendritejs/publicrooms.go

@@ -0,0 +1,46 @@
+// 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.
+
+// +build wasm
+
+package main
+
+import (
+	"github.com/matrix-org/go-http-js-libp2p/go_http_js_libp2p"
+)
+
+type libp2pPublicRoomsProvider struct {
+	node      *go_http_js_libp2p.P2pLocalNode
+	providers []go_http_js_libp2p.PeerInfo
+}
+
+func NewLibP2PPublicRoomsProvider(node *go_http_js_libp2p.P2pLocalNode) *libp2pPublicRoomsProvider {
+	p := &libp2pPublicRoomsProvider{
+		node: node,
+	}
+	node.RegisterFoundProviders(p.foundProviders)
+	return p
+}
+
+func (p *libp2pPublicRoomsProvider) foundProviders(peerInfos []go_http_js_libp2p.PeerInfo) {
+	p.providers = peerInfos
+}
+
+func (p *libp2pPublicRoomsProvider) Homeservers() []string {
+	result := make([]string, len(p.providers))
+	for i := range p.providers {
+		result[i] = p.providers[i].Id
+	}
+	return result
+}

cmd/syncserver-integration-tests/main.go

@@ -104,7 +104,7 @@ func clientEventJSONForOutputRoomEvent(outputRoomEvent string) string {
 		panic("failed to unmarshal output room event: " + err.Error())
 	}
 	clientEvs := gomatrixserverlib.ToClientEvents([]gomatrixserverlib.Event{
-		out.NewRoomEvent.Event,
+		out.NewRoomEvent.Event.Event,
 	}, gomatrixserverlib.FormatSync)
 	b, err := json.Marshal(clientEvs[0])
 	if err != nil {

common/basecomponent/base.go

@@ -216,7 +216,7 @@ func setupNaffka(cfg *config.Dendrite) (sarama.Consumer, sarama.SyncProducer) {
 
 	uri, err := url.Parse(string(cfg.Database.Naffka))
 	if err != nil || uri.Scheme == "file" {
-		db, err = sql.Open("sqlite3", string(cfg.Database.Naffka))
+		db, err = sql.Open(common.SQLiteDriverName(), string(cfg.Database.Naffka))
 		if err != nil {
 			logrus.WithError(err).Panic("Failed to open naffka database")
 		}

common/config/config.go

@@ -224,6 +224,8 @@ type Dendrite struct {
 
 	// The config for tracing the dendrite servers.
 	Tracing struct {
+		// Set to true to enable tracer hooks. If false, no tracing is set up.
+		Enabled bool `yaml:"enabled"`
 		// The config for the jaeger opentracing reporter.
 		Jaeger jaegerconfig.Configuration `yaml:"jaeger"`
 	} `yaml:"tracing"`
@@ -365,7 +367,7 @@ func loadConfig(
 		return nil, err
 	}
 
-	config.setDefaults()
+	config.SetDefaults()
 
 	if err = config.check(monolithic); err != nil {
 		return nil, err
@@ -398,7 +400,7 @@ func loadConfig(
 	config.Media.AbsBasePath = Path(absPath(basePath, config.Media.BasePath))
 
 	// Generate data from config options
-	err = config.derive()
+	err = config.Derive()
 	if err != nil {
 		return nil, err
 	}
@@ -406,9 +408,9 @@ func loadConfig(
 	return &config, nil
 }
 
-// derive generates data that is derived from various values provided in
+// Derive generates data that is derived from various values provided in
 // the config file.
-func (config *Dendrite) derive() error {
+func (config *Dendrite) Derive() error {
 	// Determine registrations flows based off config values
 
 	config.Derived.Registration.Params = make(map[string]interface{})
@@ -433,8 +435,8 @@ func (config *Dendrite) derive() error {
 	return nil
 }
 
-// setDefaults sets default config values if they are not explicitly set.
-func (config *Dendrite) setDefaults() {
+// SetDefaults sets default config values if they are not explicitly set.
+func (config *Dendrite) SetDefaults() {
 	if config.Matrix.KeyValidityPeriod == 0 {
 		config.Matrix.KeyValidityPeriod = 24 * time.Hour
 	}
@@ -703,6 +705,9 @@ func (config *Dendrite) FederationSenderURL() string {
 
 // SetupTracing configures the opentracing using the supplied configuration.
 func (config *Dendrite) SetupTracing(serviceName string) (closer io.Closer, err error) {
+	if !config.Tracing.Enabled {
+		return ioutil.NopCloser(bytes.NewReader([]byte{})), nil
+	}
 	return config.Tracing.Jaeger.InitGlobalTracer(
 		serviceName,
 		jaegerconfig.Logger(logrusLogger{logrus.StandardLogger()}),

common/consumers.go

@@ -112,7 +112,7 @@ func (c *ContinualConsumer) consumePartition(pc sarama.PartitionConsumer) {
 		msgErr := c.ProcessMessage(message)
 		// Advance our position in the stream so that we will start at the right position after a restart.
 		if err := c.PartitionStore.SetPartitionOffset(context.TODO(), c.Topic, message.Partition, message.Offset); err != nil {
-			panic(fmt.Errorf("the ContinualConsumer failed to SetPartitionOffset: %s", err))
+			panic(fmt.Errorf("the ContinualConsumer failed to SetPartitionOffset: %w", err))
 		}
 		// Shutdown if we were told to do so.
 		if msgErr == ErrShutdown {

common/events.go

@@ -17,14 +17,12 @@ package common
 import (
 	"context"
 	"errors"
-	"fmt"
 	"time"
 
 	"github.com/matrix-org/dendrite/common/config"
 	"github.com/matrix-org/dendrite/roomserver/api"
 
 	"github.com/matrix-org/gomatrixserverlib"
-	"github.com/matrix-org/util"
 )
 
 // ErrRoomNoExists is returned when trying to lookup the state of a room that
@@ -42,13 +40,19 @@ func BuildEvent(
 	builder *gomatrixserverlib.EventBuilder, cfg *config.Dendrite, evTime time.Time,
 	queryAPI api.RoomserverQueryAPI, queryRes *api.QueryLatestEventsAndStateResponse,
 ) (*gomatrixserverlib.Event, error) {
+	if queryRes == nil {
+		queryRes = &api.QueryLatestEventsAndStateResponse{}
+	}
+
 	err := AddPrevEventsToEvent(ctx, builder, queryAPI, queryRes)
 	if err != nil {
 		return nil, err
 	}
 
-	eventID := fmt.Sprintf("$%s:%s", util.RandomString(16), cfg.Matrix.ServerName)
-	event, err := builder.Build(eventID, evTime, cfg.Matrix.ServerName, cfg.Matrix.KeyID, cfg.Matrix.PrivateKey)
+	event, err := builder.Build(
+		evTime, cfg.Matrix.ServerName, cfg.Matrix.KeyID,
+		cfg.Matrix.PrivateKey, queryRes.RoomVersion,
+	)
 	if err != nil {
 		return nil, err
 	}
@@ -72,9 +76,6 @@ func AddPrevEventsToEvent(
 		RoomID:       builder.RoomID,
 		StateToFetch: eventsNeeded.Tuples(),
 	}
-	if queryRes == nil {
-		queryRes = &api.QueryLatestEventsAndStateResponse{}
-	}
 	if err = queryAPI.QueryLatestEventsAndState(ctx, &queryReq, queryRes); err != nil {
 		return err
 	}
@@ -83,13 +84,17 @@ func AddPrevEventsToEvent(
 		return ErrRoomNoExists
 	}
 
+	eventFormat, err := queryRes.RoomVersion.EventFormat()
+	if err != nil {
+		return err
+	}
+
 	builder.Depth = queryRes.Depth
-	builder.PrevEvents = queryRes.LatestEvents
 
 	authEvents := gomatrixserverlib.NewAuthEvents(nil)
 
 	for i := range queryRes.StateEvents {
-		err = authEvents.AddEvent(&queryRes.StateEvents[i])
+		err = authEvents.AddEvent(&queryRes.StateEvents[i].Event)
 		if err != nil {
 			return err
 		}
@@ -99,7 +104,23 @@ func AddPrevEventsToEvent(
 	if err != nil {
 		return err
 	}
-	builder.AuthEvents = refs
+
+	switch eventFormat {
+	case gomatrixserverlib.EventFormatV1:
+		builder.AuthEvents = refs
+		builder.PrevEvents = queryRes.LatestEvents
+	case gomatrixserverlib.EventFormatV2:
+		v2AuthRefs := []string{}
+		v2PrevRefs := []string{}
+		for _, ref := range refs {
+			v2AuthRefs = append(v2AuthRefs, ref.EventID)
+		}
+		for _, ref := range queryRes.LatestEvents {
+			v2PrevRefs = append(v2PrevRefs, ref.EventID)
+		}
+		builder.AuthEvents = v2AuthRefs
+		builder.PrevEvents = v2PrevRefs
+	}
 
 	return nil
 }

common/httpapi.go

@@ -25,6 +25,10 @@ func MakeAuthAPI(
 		if err != nil {
 			return *err
 		}
+		// add the user ID to the logger
+		logger := util.GetLogger((req.Context()))
+		logger = logger.WithField("user_id", device.UserID)
+		req = req.WithContext(util.ContextWithLogger(req.Context(), logger))
 
 		return f(req, device)
 	}

common/keydb/interface.go

@@ -0,0 +1,13 @@
+package keydb
+
+import (
+	"context"
+
+	"github.com/matrix-org/gomatrixserverlib"
+)
+
+type Database interface {
+	FetcherName() string
+	FetchKeys(ctx context.Context, requests map[gomatrixserverlib.PublicKeyLookupRequest]gomatrixserverlib.Timestamp) (map[gomatrixserverlib.PublicKeyLookupRequest]gomatrixserverlib.PublicKeyLookupResult, error)
+	StoreKeys(ctx context.Context, keyMap map[gomatrixserverlib.PublicKeyLookupRequest]gomatrixserverlib.PublicKeyLookupResult) error
+}

common/keydb/keydb.go

@@ -12,10 +12,11 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+// +build !wasm
+
 package keydb
 
 import (
-	"context"
 	"net/url"
 
 	"golang.org/x/crypto/ed25519"
@@ -25,12 +26,6 @@ import (
 	"github.com/matrix-org/gomatrixserverlib"
 )
 
-type Database interface {
-	FetcherName() string
-	FetchKeys(ctx context.Context, requests map[gomatrixserverlib.PublicKeyLookupRequest]gomatrixserverlib.Timestamp) (map[gomatrixserverlib.PublicKeyLookupRequest]gomatrixserverlib.PublicKeyLookupResult, error)
-	StoreKeys(ctx context.Context, keyMap map[gomatrixserverlib.PublicKeyLookupRequest]gomatrixserverlib.PublicKeyLookupResult) error
-}
-
 // NewDatabase opens a database connection.
 func NewDatabase(
 	dataSourceName string,

common/keydb/keydb_wasm.go

@@ -0,0 +1,46 @@
+// 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 keydb
+
+import (
+	"fmt"
+	"net/url"
+
+	"golang.org/x/crypto/ed25519"
+
+	"github.com/matrix-org/dendrite/common/keydb/sqlite3"
+	"github.com/matrix-org/gomatrixserverlib"
+)
+
+// NewDatabase opens a database connection.
+func NewDatabase(
+	dataSourceName string,
+	serverName gomatrixserverlib.ServerName,
+	serverKey ed25519.PublicKey,
+	serverKeyID gomatrixserverlib.KeyID,
+) (Database, error) {
+	uri, err := url.Parse(dataSourceName)
+	if err != nil {
+		return nil, err
+	}
+	switch uri.Scheme {
+	case "postgres":
+		return nil, fmt.Errorf("Cannot use postgres implementation")
+	case "file":
+		return sqlite3.NewDatabase(dataSourceName, serverName, serverKey, serverKeyID)
+	default:
+		return nil, fmt.Errorf("Cannot use postgres implementation")
+	}
+}

common/keydb/postgres/server_key_table.go

@@ -19,6 +19,8 @@ import (
 	"context"
 	"database/sql"
 
+	"github.com/matrix-org/dendrite/common"
+
 	"github.com/lib/pq"
 	"github.com/matrix-org/gomatrixserverlib"
 )
@@ -91,7 +93,7 @@ func (s *serverKeyStatements) bulkSelectServerKeys(
 	if err != nil {
 		return nil, err
 	}
-	defer rows.Close() // nolint: errcheck
+	defer common.CloseAndLogIfError(ctx, rows, "bulkSelectServerKeys: rows.close() failed")
 	results := map[gomatrixserverlib.PublicKeyLookupRequest]gomatrixserverlib.PublicKeyLookupResult{}
 	for rows.Next() {
 		var serverName string

common/keydb/sqlite3/keydb.go

@@ -22,6 +22,7 @@ import (
 
 	"golang.org/x/crypto/ed25519"
 
+	"github.com/matrix-org/dendrite/common"
 	"github.com/matrix-org/gomatrixserverlib"
 
 	_ "github.com/mattn/go-sqlite3"
@@ -43,7 +44,7 @@ func NewDatabase(
 	serverKey ed25519.PublicKey,
 	serverKeyID gomatrixserverlib.KeyID,
 ) (*Database, error) {
-	db, err := sql.Open("sqlite3", dataSourceName)
+	db, err := sql.Open(common.SQLiteDriverName(), dataSourceName)
 	if err != nil {
 		return nil, err
 	}

common/keydb/sqlite3/server_key_table.go

@@ -18,9 +18,12 @@ package sqlite3
 import (
 	"context"
 	"database/sql"
+	"strings"
 
-	"github.com/lib/pq"
+	lru "github.com/hashicorp/golang-lru"
+	"github.com/matrix-org/dendrite/common"
 	"github.com/matrix-org/gomatrixserverlib"
+	"github.com/matrix-org/util"
 )
 
 const serverKeysSchema = `
@@ -60,11 +63,19 @@ const upsertServerKeysSQL = "" +
 	" DO UPDATE SET valid_until_ts = $4, expired_ts = $5, server_key = $6"
 
 type serverKeyStatements struct {
+	db                       *sql.DB
 	bulkSelectServerKeysStmt *sql.Stmt
 	upsertServerKeysStmt     *sql.Stmt
+
+	cache *lru.Cache // nameAndKeyID => gomatrixserverlib.PublicKeyLookupResult
 }
 
 func (s *serverKeyStatements) prepare(db *sql.DB) (err error) {
+	s.db = db
+	s.cache, err = lru.New(64)
+	if err != nil {
+		return
+	}
 	_, err = db.Exec(serverKeysSchema)
 	if err != nil {
 		return
@@ -86,12 +97,34 @@ func (s *serverKeyStatements) bulkSelectServerKeys(
 	for request := range requests {
 		nameAndKeyIDs = append(nameAndKeyIDs, nameAndKeyID(request))
 	}
-	stmt := s.bulkSelectServerKeysStmt
-	rows, err := stmt.QueryContext(ctx, pq.StringArray(nameAndKeyIDs))
+
+	// If we can satisfy all of the requests from the cache, do so. TODO: Allow partial matches with merges.
+	cacheResults := map[gomatrixserverlib.PublicKeyLookupRequest]gomatrixserverlib.PublicKeyLookupResult{}
+	for request := range requests {
+		r, ok := s.cache.Get(nameAndKeyID(request))
+		if !ok {
+			break
+		}
+		cacheResult := r.(gomatrixserverlib.PublicKeyLookupResult)
+		cacheResults[request] = cacheResult
+	}
+	if len(cacheResults) == len(requests) {
+		util.GetLogger(ctx).Infof("KeyDB cache hit for %d keys", len(cacheResults))
+		return cacheResults, nil
+	}
+
+	query := strings.Replace(bulkSelectServerKeysSQL, "($1)", common.QueryVariadic(len(nameAndKeyIDs)), 1)
+
+	iKeyIDs := make([]interface{}, len(nameAndKeyIDs))
+	for i, v := range nameAndKeyIDs {
+		iKeyIDs[i] = v
+	}
+
+	rows, err := s.db.QueryContext(ctx, query, iKeyIDs...)
 	if err != nil {
 		return nil, err
 	}
-	defer rows.Close() // nolint: errcheck
+	defer common.CloseAndLogIfError(ctx, rows, "bulkSelectServerKeys: rows.close() failed")
 	results := map[gomatrixserverlib.PublicKeyLookupRequest]gomatrixserverlib.PublicKeyLookupResult{}
 	for rows.Next() {
 		var serverName string
@@ -125,6 +158,7 @@ func (s *serverKeyStatements) upsertServerKeys(
 	request gomatrixserverlib.PublicKeyLookupRequest,
 	key gomatrixserverlib.PublicKeyLookupResult,
 ) error {
+	s.cache.Add(nameAndKeyID(request), key)
 	_, err := s.upsertServerKeysStmt.ExecContext(
 		ctx,
 		string(request.ServerName),

common/log.go

@@ -15,13 +15,17 @@
 package common
 
 import (
+	"context"
 	"fmt"
+	"io"
 	"os"
 	"path"
 	"path/filepath"
 	"runtime"
 	"strings"
 
+	"github.com/matrix-org/util"
+
 	"github.com/matrix-org/dendrite/common/config"
 	"github.com/matrix-org/dugong"
 	"github.com/sirupsen/logrus"
@@ -156,3 +160,17 @@ func setupFileHook(hook config.LogrusHook, level logrus.Level, componentName str
 		),
 	})
 }
+
+//CloseAndLogIfError Closes io.Closer and logs the error if any
+func CloseAndLogIfError(ctx context.Context, closer io.Closer, message string) {
+	if closer == nil {
+		return
+	}
+	err := closer.Close()
+	if ctx == nil {
+		ctx = context.TODO()
+	}
+	if err != nil {
+		util.GetLogger(ctx).WithError(err).Error(message)
+	}
+}

common/partition_offset_table.go

@@ -90,7 +90,7 @@ func (s *PartitionOffsetStatements) selectPartitionOffsets(
 	if err != nil {
 		return nil, err
 	}
-	defer rows.Close() // nolint: errcheck
+	defer CloseAndLogIfError(ctx, rows, "selectPartitionOffsets: rows.close() failed")
 	var results []PartitionOffset
 	for rows.Next() {
 		var offset PartitionOffset

common/postgres.go

@@ -0,0 +1,25 @@
+// 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.
+
+// +build !wasm
+
+package common
+
+import "github.com/lib/pq"
+
+// IsUniqueConstraintViolationErr returns true if the error is a postgresql unique_violation error
+func IsUniqueConstraintViolationErr(err error) bool {
+	pqErr, ok := err.(*pq.Error)
+	return ok && pqErr.Code == "23505"
+}

common/postgres_wasm.go

@@ -0,0 +1,22 @@
+// 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.
+
+// +build wasm
+
+package common
+
+// IsUniqueConstraintViolationErr no-ops for this architecture
+func IsUniqueConstraintViolationErr(err error) bool {
+	return false
+}

common/sql.go

@@ -17,8 +17,7 @@ package common
 import (
 	"database/sql"
 	"fmt"
-
-	"github.com/lib/pq"
+	"runtime"
 )
 
 // A Transaction is something that can be committed or rolledback.
@@ -77,12 +76,6 @@ func TxStmt(transaction *sql.Tx, statement *sql.Stmt) *sql.Stmt {
 	return statement
 }
 
-// IsUniqueConstraintViolationErr returns true if the error is a postgresql unique_violation error
-func IsUniqueConstraintViolationErr(err error) bool {
-	pqErr, ok := err.(*pq.Error)
-	return ok && pqErr.Code == "23505"
-}
-
 // Hack of the century
 func QueryVariadic(count int) string {
 	return QueryVariadicOffset(count, 0)
@@ -99,3 +92,10 @@ func QueryVariadicOffset(count, offset int) string {
 	str += ")"
 	return str
 }
+
+func SQLiteDriverName() string {
+	if runtime.GOOS == "js" {
+		return "sqlite3_js"
+	}
+	return "sqlite3"
+}

docker/README.md

@@ -11,10 +11,10 @@ and start working on dendrite.
 
 ### Configuration
 
-Copy the `dendrite-docker.yaml` file to the root of the project and rename it to
-`dendrite.yaml`. It already contains the defaults used in `docker-compose` for 
-networking so you will only have to change things like the `server_name` or to 
-toggle `naffka`.
+Create a directory named `cfg` in the root of the project. Copy the
+`dendrite-docker.yaml` file into that directory and rename it to `dendrite.yaml`.
+It already contains the defaults used in `docker-compose` for networking so you will
+only have to change things like the `server_name` or to toggle `naffka`.
 
 You can run the following `docker-compose` commands either from the top directory
 specifying the `docker-compose` file

federationapi/federationapi.go

@@ -42,7 +42,7 @@ func SetupFederationAPIComponent(
 	asAPI appserviceAPI.AppServiceQueryAPI,
 	federationSenderAPI federationSenderAPI.FederationSenderQueryAPI,
 ) {
-	roomserverProducer := producers.NewRoomserverProducer(inputAPI)
+	roomserverProducer := producers.NewRoomserverProducer(inputAPI, queryAPI)
 
 	routing.Setup(
 		base.APIMux, base.Cfg, queryAPI, aliasAPI, asAPI,

federationapi/routing/backfill.go

@@ -15,11 +15,11 @@
 package routing
 
 import (
+	"encoding/json"
 	"net/http"
 	"strconv"
 	"time"
 
-	"github.com/matrix-org/dendrite/clientapi/httputil"
 	"github.com/matrix-org/dendrite/clientapi/jsonerror"
 	"github.com/matrix-org/dendrite/common/config"
 	"github.com/matrix-org/dendrite/roomserver/api"
@@ -72,27 +72,34 @@ func Backfill(
 		ServerName:        request.Origin(),
 	}
 	if req.Limit, err = strconv.Atoi(limit); err != nil {
-		return httputil.LogThenError(httpReq, err)
+		util.GetLogger(httpReq.Context()).WithError(err).Error("strconv.Atoi failed")
+		return jsonerror.InternalServerError()
 	}
 
 	// Query the roomserver.
 	if err = query.QueryBackfill(httpReq.Context(), &req, &res); err != nil {
-		return httputil.LogThenError(httpReq, err)
+		util.GetLogger(httpReq.Context()).WithError(err).Error("query.QueryBackfill failed")
+		return jsonerror.InternalServerError()
 	}
 
 	// Filter any event that's not from the requested room out.
 	evs := make([]gomatrixserverlib.Event, 0)
 
-	var ev gomatrixserverlib.Event
+	var ev gomatrixserverlib.HeaderedEvent
 	for _, ev = range res.Events {
 		if ev.RoomID() == roomID {
-			evs = append(evs, ev)
+			evs = append(evs, ev.Event)
 		}
 	}
 
+	var eventJSONs []json.RawMessage
+	for _, e := range evs {
+		eventJSONs = append(eventJSONs, e.JSON())
+	}
+
 	txn := gomatrixserverlib.Transaction{
 		Origin:         cfg.Matrix.ServerName,
-		PDUs:           evs,
+		PDUs:           eventJSONs,
 		OriginServerTS: gomatrixserverlib.AsTimestamp(time.Now()),
 	}
 

federationapi/routing/devices.go

@@ -17,7 +17,6 @@ import (
 
 	"github.com/matrix-org/dendrite/clientapi/auth/authtypes"
 	"github.com/matrix-org/dendrite/clientapi/auth/storage/devices"
-	"github.com/matrix-org/dendrite/clientapi/httputil"
 	"github.com/matrix-org/dendrite/clientapi/jsonerror"
 	"github.com/matrix-org/dendrite/clientapi/userutil"
 	"github.com/matrix-org/util"
@@ -43,7 +42,8 @@ func GetUserDevices(
 
 	devs, err := deviceDB.GetDevicesByLocalpart(req.Context(), localpart)
 	if err != nil {
-		return httputil.LogThenError(req, err)
+		util.GetLogger(req.Context()).WithError(err).Error("deviceDB.GetDevicesByLocalPart failed")
+		return jsonerror.InternalServerError()
 	}
 
 	return util.JSONResponse{

federationapi/routing/eventauth.go

@@ -0,0 +1,43 @@
+// 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 routing
+
+import (
+	"context"
+	"net/http"
+
+	"github.com/matrix-org/dendrite/roomserver/api"
+	"github.com/matrix-org/gomatrixserverlib"
+	"github.com/matrix-org/util"
+)
+
+// GetEventAuth returns event auth for the roomID and eventID
+func GetEventAuth(
+	ctx context.Context,
+	request *gomatrixserverlib.FederationRequest,
+	query api.RoomserverQueryAPI,
+	roomID string,
+	eventID string,
+) util.JSONResponse {
+	// TODO: Optimisation: we shouldn't be querying all the room state
+	// that is in state.StateEvents - we just ignore it.
+	state, err := getState(ctx, request, query, roomID, eventID)
+	if err != nil {
+		return *err
+	}
+
+	return util.JSONResponse{
+		Code: http.StatusOK,
+		JSON: gomatrixserverlib.RespEventAuth{AuthEvents: state.AuthEvents},
+	}
+}

federationapi/routing/events.go

@@ -80,5 +80,5 @@ func getEvent(
 		return nil, &util.JSONResponse{Code: http.StatusNotFound, JSON: nil}
 	}
 
-	return &eventsResponse.Events[0], nil
+	return &eventsResponse.Events[0].Event, nil
 }

federationapi/routing/invite.go

@@ -15,13 +15,13 @@
 package routing
 
 import (
-	"encoding/json"
+	"context"
 	"net/http"
 
-	"github.com/matrix-org/dendrite/clientapi/httputil"
 	"github.com/matrix-org/dendrite/clientapi/jsonerror"
 	"github.com/matrix-org/dendrite/clientapi/producers"
 	"github.com/matrix-org/dendrite/common/config"
+	"github.com/matrix-org/dendrite/roomserver/api"
 	"github.com/matrix-org/gomatrixserverlib"
 	"github.com/matrix-org/util"
 )
@@ -36,10 +36,19 @@ func Invite(
 	producer *producers.RoomserverProducer,
 	keys gomatrixserverlib.KeyRing,
 ) util.JSONResponse {
+	// Look up the room version for the room.
+	verReq := api.QueryRoomVersionForRoomRequest{RoomID: roomID}
+	verRes := api.QueryRoomVersionForRoomResponse{}
+	if err := producer.QueryAPI.QueryRoomVersionForRoom(context.Background(), &verReq, &verRes); err != nil {
+		return util.JSONResponse{
+			Code: http.StatusBadRequest,
+			JSON: jsonerror.UnsupportedRoomVersion(err.Error()),
+		}
+	}
 
 	// Decode the event JSON from the request.
-	var event gomatrixserverlib.Event
-	if err := json.Unmarshal(request.Content(), &event); err != nil {
+	event, err := gomatrixserverlib.NewEventFromUntrustedJSON(request.Content(), verRes.RoomVersion)
+	if err != nil {
 		return util.JSONResponse{
 			Code: http.StatusBadRequest,
 			JSON: jsonerror.NotJSON("The request body could not be decoded into valid JSON. " + err.Error()),
@@ -71,14 +80,16 @@ func Invite(
 	}
 
 	// Check that the event is signed by the server sending the request.
+	redacted := event.Redact()
 	verifyRequests := []gomatrixserverlib.VerifyJSONRequest{{
 		ServerName: event.Origin(),
-		Message:    event.Redact().JSON(),
+		Message:    redacted.JSON(),
 		AtTS:       event.OriginServerTS(),
 	}}
 	verifyResults, err := keys.VerifyJSONs(httpReq.Context(), verifyRequests)
 	if err != nil {
-		return httputil.LogThenError(httpReq, err)
+		util.GetLogger(httpReq.Context()).WithError(err).Error("keys.VerifyJSONs failed")
+		return jsonerror.InternalServerError()
 	}
 	if verifyResults[0].Error != nil {
 		return util.JSONResponse{
@@ -94,7 +105,8 @@ func Invite(
 
 	// Add the invite event to the roomserver.
 	if err = producer.SendInvite(httpReq.Context(), signedEvent); err != nil {
-		return httputil.LogThenError(httpReq, err)
+		util.GetLogger(httpReq.Context()).WithError(err).Error("producer.SendInvite failed")
+		return jsonerror.InternalServerError()
 	}
 
 	// Return the signed event to the originating server, it should then tell

federationapi/routing/join.go

@@ -15,11 +15,9 @@
 package routing
 
 import (
-	"encoding/json"
 	"net/http"
 	"time"
 
-	"github.com/matrix-org/dendrite/clientapi/httputil"
 	"github.com/matrix-org/dendrite/clientapi/jsonerror"
 	"github.com/matrix-org/dendrite/clientapi/producers"
 	"github.com/matrix-org/dendrite/common"
@@ -37,6 +35,15 @@ func MakeJoin(
 	query api.RoomserverQueryAPI,
 	roomID, userID string,
 ) util.JSONResponse {
+	verReq := api.QueryRoomVersionForRoomRequest{RoomID: roomID}
+	verRes := api.QueryRoomVersionForRoomResponse{}
+	if err := query.QueryRoomVersionForRoom(httpReq.Context(), &verReq, &verRes); err != nil {
+		return util.JSONResponse{
+			Code: http.StatusInternalServerError,
+			JSON: jsonerror.InternalServerError(),
+		}
+	}
+
 	_, domain, err := gomatrixserverlib.SplitID('@', userID)
 	if err != nil {
 		return util.JSONResponse{
@@ -60,10 +67,13 @@ func MakeJoin(
 	}
 	err = builder.SetContent(map[string]interface{}{"membership": gomatrixserverlib.Join})
 	if err != nil {
-		return httputil.LogThenError(httpReq, err)
+		util.GetLogger(httpReq.Context()).WithError(err).Error("builder.SetContent failed")
+		return jsonerror.InternalServerError()
 	}
 
-	var queryRes api.QueryLatestEventsAndStateResponse
+	queryRes := api.QueryLatestEventsAndStateResponse{
+		RoomVersion: verRes.RoomVersion,
+	}
 	event, err := common.BuildEvent(httpReq.Context(), &builder, cfg, time.Now(), query, &queryRes)
 	if err == common.ErrRoomNoExists {
 		return util.JSONResponse{
@@ -71,14 +81,16 @@ func MakeJoin(
 			JSON: jsonerror.NotFound("Room does not exist"),
 		}
 	} else if err != nil {
-		return httputil.LogThenError(httpReq, err)
+		util.GetLogger(httpReq.Context()).WithError(err).Error("common.BuildEvent failed")
+		return jsonerror.InternalServerError()
 	}
 
 	// Check that the join is allowed or not
 	stateEvents := make([]*gomatrixserverlib.Event, len(queryRes.StateEvents))
 	for i := range queryRes.StateEvents {
-		stateEvents[i] = &queryRes.StateEvents[i]
+		stateEvents[i] = &queryRes.StateEvents[i].Event
 	}
+
 	provider := gomatrixserverlib.NewAuthEvents(stateEvents)
 	if err = gomatrixserverlib.Allowed(*event, &provider); err != nil {
 		return util.JSONResponse{
@@ -89,7 +101,10 @@ func MakeJoin(
 
 	return util.JSONResponse{
 		Code: http.StatusOK,
-		JSON: map[string]interface{}{"event": builder},
+		JSON: map[string]interface{}{
+			"event":        builder,
+			"room_version": verRes.RoomVersion,
+		},
 	}
 }
 
@@ -103,8 +118,18 @@ func SendJoin(
 	keys gomatrixserverlib.KeyRing,
 	roomID, eventID string,
 ) util.JSONResponse {
-	var event gomatrixserverlib.Event
-	if err := json.Unmarshal(request.Content(), &event); err != nil {
+	verReq := api.QueryRoomVersionForRoomRequest{RoomID: roomID}
+	verRes := api.QueryRoomVersionForRoomResponse{}
+	if err := query.QueryRoomVersionForRoom(httpReq.Context(), &verReq, &verRes); err != nil {
+		util.GetLogger(httpReq.Context()).WithError(err).Error("query.QueryRoomVersionForRoom failed")
+		return util.JSONResponse{
+			Code: http.StatusInternalServerError,
+			JSON: jsonerror.InternalServerError(),
+		}
+	}
+
+	event, err := gomatrixserverlib.NewEventFromUntrustedJSON(request.Content(), verRes.RoomVersion)
+	if err != nil {
 		return util.JSONResponse{
 			Code: http.StatusBadRequest,
 			JSON: jsonerror.NotJSON("The request body could not be decoded into valid JSON. " + err.Error()),
@@ -136,19 +161,21 @@ func SendJoin(
 	}
 
 	// Check that the event is signed by the server sending the request.
+	redacted := event.Redact()
 	verifyRequests := []gomatrixserverlib.VerifyJSONRequest{{
 		ServerName: event.Origin(),
-		Message:    event.Redact().JSON(),
+		Message:    redacted.JSON(),
 		AtTS:       event.OriginServerTS(),
 	}}
 	verifyResults, err := keys.VerifyJSONs(httpReq.Context(), verifyRequests)
 	if err != nil {
-		return httputil.LogThenError(httpReq, err)
+		util.GetLogger(httpReq.Context()).WithError(err).Error("keys.VerifyJSONs failed")
+		return jsonerror.InternalServerError()
 	}
 	if verifyResults[0].Error != nil {
 		return util.JSONResponse{
 			Code: http.StatusForbidden,
-			JSON: jsonerror.Forbidden("The join must be signed by the server it originated on"),
+			JSON: jsonerror.Forbidden("Signature check failed: " + verifyResults[0].Error.Error()),
 		}
 	}
 
@@ -161,7 +188,8 @@ func SendJoin(
 		RoomID:       roomID,
 	}, &stateAndAuthChainResponse)
 	if err != nil {
-		return httputil.LogThenError(httpReq, err)
+		util.GetLogger(httpReq.Context()).WithError(err).Error("query.QueryStateAndAuthChain failed")
+		return jsonerror.InternalServerError()
 	}
 
 	if !stateAndAuthChainResponse.RoomExists {
@@ -175,17 +203,23 @@ func SendJoin(
 	// We are responsible for notifying other servers that the user has joined
 	// the room, so set SendAsServer to cfg.Matrix.ServerName
 	_, err = producer.SendEvents(
-		httpReq.Context(), []gomatrixserverlib.Event{event}, cfg.Matrix.ServerName, nil,
+		httpReq.Context(),
+		[]gomatrixserverlib.HeaderedEvent{
+			event.Headered(stateAndAuthChainResponse.RoomVersion),
+		},
+		cfg.Matrix.ServerName,
+		nil,
 	)
 	if err != nil {
-		return httputil.LogThenError(httpReq, err)
+		util.GetLogger(httpReq.Context()).WithError(err).Error("producer.SendEvents failed")
+		return jsonerror.InternalServerError()
 	}
 
 	return util.JSONResponse{
 		Code: http.StatusOK,
 		JSON: map[string]interface{}{
-			"state":      stateAndAuthChainResponse.StateEvents,
-			"auth_chain": stateAndAuthChainResponse.AuthChainEvents,
+			"state":      gomatrixserverlib.UnwrapEventHeaders(stateAndAuthChainResponse.StateEvents),
+			"auth_chain": gomatrixserverlib.UnwrapEventHeaders(stateAndAuthChainResponse.AuthChainEvents),
 		},
 	}
 }

federationapi/routing/leave.go

@@ -13,11 +13,9 @@
 package routing
 
 import (
-	"encoding/json"
 	"net/http"
 	"time"
 
-	"github.com/matrix-org/dendrite/clientapi/httputil"
 	"github.com/matrix-org/dendrite/clientapi/jsonerror"
 	"github.com/matrix-org/dendrite/clientapi/producers"
 	"github.com/matrix-org/dendrite/common"
@@ -58,7 +56,8 @@ func MakeLeave(
 	}
 	err = builder.SetContent(map[string]interface{}{"membership": gomatrixserverlib.Leave})
 	if err != nil {
-		return httputil.LogThenError(httpReq, err)
+		util.GetLogger(httpReq.Context()).WithError(err).Error("builder.SetContent failed")
+		return jsonerror.InternalServerError()
 	}
 
 	var queryRes api.QueryLatestEventsAndStateResponse
@@ -69,13 +68,14 @@ func MakeLeave(
 			JSON: jsonerror.NotFound("Room does not exist"),
 		}
 	} else if err != nil {
-		return httputil.LogThenError(httpReq, err)
+		util.GetLogger(httpReq.Context()).WithError(err).Error("common.BuildEvent failed")
+		return jsonerror.InternalServerError()
 	}
 
 	// Check that the leave is allowed or not
 	stateEvents := make([]*gomatrixserverlib.Event, len(queryRes.StateEvents))
 	for i := range queryRes.StateEvents {
-		stateEvents[i] = &queryRes.StateEvents[i]
+		stateEvents[i] = &queryRes.StateEvents[i].Event
 	}
 	provider := gomatrixserverlib.NewAuthEvents(stateEvents)
 	if err = gomatrixserverlib.Allowed(*event, &provider); err != nil {
@@ -100,8 +100,18 @@ func SendLeave(
 	keys gomatrixserverlib.KeyRing,
 	roomID, eventID string,
 ) util.JSONResponse {
-	var event gomatrixserverlib.Event
-	if err := json.Unmarshal(request.Content(), &event); err != nil {
+	verReq := api.QueryRoomVersionForRoomRequest{RoomID: roomID}
+	verRes := api.QueryRoomVersionForRoomResponse{}
+	if err := producer.QueryAPI.QueryRoomVersionForRoom(httpReq.Context(), &verReq, &verRes); err != nil {
+		return util.JSONResponse{
+			Code: http.StatusBadRequest,
+			JSON: jsonerror.UnsupportedRoomVersion(err.Error()),
+		}
+	}
+
+	// Decode the event JSON from the request.
+	event, err := gomatrixserverlib.NewEventFromUntrustedJSON(request.Content(), verRes.RoomVersion)
+	if err != nil {
 		return util.JSONResponse{
 			Code: http.StatusBadRequest,
 			JSON: jsonerror.NotJSON("The request body could not be decoded into valid JSON. " + err.Error()),
@@ -133,14 +143,16 @@ func SendLeave(
 	}
 
 	// Check that the event is signed by the server sending the request.
+	redacted := event.Redact()
 	verifyRequests := []gomatrixserverlib.VerifyJSONRequest{{
 		ServerName: event.Origin(),
-		Message:    event.Redact().JSON(),
+		Message:    redacted.JSON(),
 		AtTS:       event.OriginServerTS(),
 	}}
 	verifyResults, err := keys.VerifyJSONs(httpReq.Context(), verifyRequests)
 	if err != nil {
-		return httputil.LogThenError(httpReq, err)
+		util.GetLogger(httpReq.Context()).WithError(err).Error("keys.VerifyJSONs failed")
+		return jsonerror.InternalServerError()
 	}
 	if verifyResults[0].Error != nil {
 		return util.JSONResponse{
@@ -152,7 +164,8 @@ func SendLeave(
 	// check membership is set to leave
 	mem, err := event.Membership()
 	if err != nil {
-		return httputil.LogThenError(httpReq, err)
+		util.GetLogger(httpReq.Context()).WithError(err).Error("event.Membership failed")
+		return jsonerror.InternalServerError()
 	} else if mem != gomatrixserverlib.Leave {
 		return util.JSONResponse{
 			Code: http.StatusBadRequest,
@@ -163,9 +176,17 @@ func SendLeave(
 	// Send the events to the room server.
 	// We are responsible for notifying other servers that the user has left
 	// the room, so set SendAsServer to cfg.Matrix.ServerName
-	_, err = producer.SendEvents(httpReq.Context(), []gomatrixserverlib.Event{event}, cfg.Matrix.ServerName, nil)
+	_, err = producer.SendEvents(
+		httpReq.Context(),
+		[]gomatrixserverlib.HeaderedEvent{
+			event.Headered(verRes.RoomVersion),
+		},
+		cfg.Matrix.ServerName,
+		nil,
+	)
 	if err != nil {
-		return httputil.LogThenError(httpReq, err)
+		util.GetLogger(httpReq.Context()).WithError(err).Error("producer.SendEvents failed")
+		return jsonerror.InternalServerError()
 	}
 
 	return util.JSONResponse{

federationapi/routing/missingevents.go

@@ -16,7 +16,6 @@ import (
 	"encoding/json"
 	"net/http"
 
-	"github.com/matrix-org/dendrite/clientapi/httputil"
 	"github.com/matrix-org/dendrite/clientapi/jsonerror"
 	"github.com/matrix-org/dendrite/roomserver/api"
 	"github.com/matrix-org/gomatrixserverlib"
@@ -56,7 +55,8 @@ func GetMissingEvents(
 		},
 		&eventsResponse,
 	); err != nil {
-		return httputil.LogThenError(httpReq, err)
+		util.GetLogger(httpReq.Context()).WithError(err).Error("query.QueryMissingEvents failed")
+		return jsonerror.InternalServerError()
 	}
 
 	eventsResponse.Events = filterEvents(eventsResponse.Events, gme.MinDepth, roomID)
@@ -68,8 +68,8 @@ func GetMissingEvents(
 
 // filterEvents returns only those events with matching roomID and having depth greater than minDepth
 func filterEvents(
-	events []gomatrixserverlib.Event, minDepth int64, roomID string,
-) []gomatrixserverlib.Event {
+	events []gomatrixserverlib.HeaderedEvent, minDepth int64, roomID string,
+) []gomatrixserverlib.HeaderedEvent {
 	ref := events[:0]
 	for _, ev := range events {
 		if ev.Depth() >= minDepth && ev.RoomID() == roomID {

federationapi/routing/profile.go

@@ -19,7 +19,6 @@ import (
 
 	appserviceAPI "github.com/matrix-org/dendrite/appservice/api"
 	"github.com/matrix-org/dendrite/clientapi/auth/storage/accounts"
-	"github.com/matrix-org/dendrite/clientapi/httputil"
 	"github.com/matrix-org/dendrite/clientapi/jsonerror"
 	"github.com/matrix-org/dendrite/common"
 	"github.com/matrix-org/dendrite/common/config"
@@ -46,16 +45,19 @@ func GetProfile(
 
 	_, domain, err := gomatrixserverlib.SplitID('@', userID)
 	if err != nil {
-		return httputil.LogThenError(httpReq, err)
+		util.GetLogger(httpReq.Context()).WithError(err).Error("gomatrixserverlib.SplitID failed")
+		return jsonerror.InternalServerError()
 	}
 
 	if domain != cfg.Matrix.ServerName {
-		return httputil.LogThenError(httpReq, err)
+		util.GetLogger(httpReq.Context()).WithError(err).Error("domain != cfg.Matrix.ServerName failed")
+		return jsonerror.InternalServerError()
 	}
 
 	profile, err := appserviceAPI.RetrieveUserProfile(httpReq.Context(), userID, asAPI, accountDB)
 	if err != nil {
-		return httputil.LogThenError(httpReq, err)
+		util.GetLogger(httpReq.Context()).WithError(err).Error("appserviceAPI.RetrieveUserProfile failed")
+		return jsonerror.InternalServerError()
 	}
 
 	var res interface{}

federationapi/routing/query.go

@@ -18,7 +18,6 @@ import (
 	"fmt"
 	"net/http"
 
-	"github.com/matrix-org/dendrite/clientapi/httputil"
 	"github.com/matrix-org/dendrite/clientapi/jsonerror"
 	"github.com/matrix-org/dendrite/common/config"
 	federationSenderAPI "github.com/matrix-org/dendrite/federationsender/api"
@@ -57,14 +56,16 @@ func RoomAliasToID(
 		queryReq := roomserverAPI.GetRoomIDForAliasRequest{Alias: roomAlias}
 		var queryRes roomserverAPI.GetRoomIDForAliasResponse
 		if err = aliasAPI.GetRoomIDForAlias(httpReq.Context(), &queryReq, &queryRes); err != nil {
-			return httputil.LogThenError(httpReq, err)
+			util.GetLogger(httpReq.Context()).WithError(err).Error("aliasAPI.GetRoomIDForAlias failed")
+			return jsonerror.InternalServerError()
 		}
 
 		if queryRes.RoomID != "" {
 			serverQueryReq := federationSenderAPI.QueryJoinedHostServerNamesInRoomRequest{RoomID: queryRes.RoomID}
 			var serverQueryRes federationSenderAPI.QueryJoinedHostServerNamesInRoomResponse
 			if err = senderAPI.QueryJoinedHostServerNamesInRoom(httpReq.Context(), &serverQueryReq, &serverQueryRes); err != nil {
-				return httputil.LogThenError(httpReq, err)
+				util.GetLogger(httpReq.Context()).WithError(err).Error("senderAPI.QueryJoinedHostServerNamesInRoom failed")
+				return jsonerror.InternalServerError()
 			}
 
 			resp = gomatrixserverlib.RespDirectory{
@@ -92,7 +93,8 @@ func RoomAliasToID(
 			}
 			// TODO: Return 502 if the remote server errored.
 			// TODO: Return 504 if the remote server timed out.
-			return httputil.LogThenError(httpReq, err)
+			util.GetLogger(httpReq.Context()).WithError(err).Error("federation.LookupRoomAlias failed")
+			return jsonerror.InternalServerError()
 		}
 	}
 

federationapi/routing/routing.go

@@ -131,7 +131,7 @@ func Setup(
 	)).Methods(http.MethodGet)
 
 	v1fedmux.Handle("/state/{roomID}", common.MakeFedAPI(
-		"federation_get_event_auth", cfg.Matrix.ServerName, keys,
+		"federation_get_state", cfg.Matrix.ServerName, keys,
 		func(httpReq *http.Request, request *gomatrixserverlib.FederationRequest) util.JSONResponse {
 			vars, err := common.URLDecodeMapValues(mux.Vars(httpReq))
 			if err != nil {
@@ -144,7 +144,7 @@ func Setup(
 	)).Methods(http.MethodGet)
 
 	v1fedmux.Handle("/state_ids/{roomID}", common.MakeFedAPI(
-		"federation_get_event_auth", cfg.Matrix.ServerName, keys,
+		"federation_get_state_ids", cfg.Matrix.ServerName, keys,
 		func(httpReq *http.Request, request *gomatrixserverlib.FederationRequest) util.JSONResponse {
 			vars, err := common.URLDecodeMapValues(mux.Vars(httpReq))
 			if err != nil {
@@ -156,6 +156,16 @@ func Setup(
 		},
 	)).Methods(http.MethodGet)
 
+	v1fedmux.Handle("/event_auth/{roomID}/{eventID}", common.MakeFedAPI(
+		"federation_get_event_auth", cfg.Matrix.ServerName, keys,
+		func(httpReq *http.Request, request *gomatrixserverlib.FederationRequest) util.JSONResponse {
+			vars := mux.Vars(httpReq)
+			return GetEventAuth(
+				httpReq.Context(), request, query, vars["roomID"], vars["eventID"],
+			)
+		},
+	)).Methods(http.MethodGet)
+
 	v1fedmux.Handle("/query/directory", common.MakeFedAPI(
 		"federation_query_room_alias", cfg.Matrix.ServerName, keys,
 		func(httpReq *http.Request, request *gomatrixserverlib.FederationRequest) util.JSONResponse {