Latest dendrite main refresh (#129)

* Verify that the user ID for registration matches the spec, and the auth data (#10)

* Blacklist some sytest tests that are failing in our environment

* Commenting out test that isn't reliably passing or failing, probably a race

* refresh latest dendrite main

* pull latest from dendrite-fork subtree

* refresh latest dendrite main

* pull dendrite subtree and resolve merge conflicts

* check that userID matches the signed message

* verify that the user ID for registration is CAIP-10 compliant and MXID compliant

* removed space

Co-authored-by: Brian Meek <brian@hntlabs.com>
Co-authored-by: Tak Wai Wong <takwaiw@gmail.com>

* Fix nats.go commit (#2540)

Signed-off-by: Jean Lucas <jean@4ray.co>

* Don't return `end` if there are not more messages (#2542)

* Be more spec compliant

* Move lazyLoadMembers to own method

* Return an error if trying to invite a malformed user ID (#2543)

* Add `evacuateUser` endpoint, use it when deactivating accounts (#2545)

* Add `evacuateUser` endpoint, use it when deactivating accounts

* Populate the API

* Clean up user devices when deactivating

* Include invites, delete pushers

* Silence presence logs (#2547)

* update sytest blacklist

* Add new test that passed to the whitelist

* skip failed test

Co-authored-by: Brian Meek <brian@hntlabs.com>
Co-authored-by: Tak Wai Wong <takwaiw@gmail.com>
Co-authored-by: Jean Lucas <jean@4ray.co>
Co-authored-by: Till <2353100+S7evinK@users.noreply.github.com>
Co-authored-by: Neil Alexander <neilalexander@users.noreply.github.com>

clientapi/routing/admin.go

@@ -47,3 +47,40 @@ func AdminEvacuateRoom(req *http.Request, device *userapi.Device, rsAPI roomserv
 		},
 	}
 }
+
+func AdminEvacuateUser(req *http.Request, device *userapi.Device, rsAPI roomserverAPI.ClientRoomserverAPI) util.JSONResponse {
+	if device.AccountType != userapi.AccountTypeAdmin {
+		return util.JSONResponse{
+			Code: http.StatusForbidden,
+			JSON: jsonerror.Forbidden("This API can only be used by admin users."),
+		}
+	}
+	vars, err := httputil.URLDecodeMapValues(mux.Vars(req))
+	if err != nil {
+		return util.ErrorResponse(err)
+	}
+	userID, ok := vars["userID"]
+	if !ok {
+		return util.JSONResponse{
+			Code: http.StatusBadRequest,
+			JSON: jsonerror.MissingArgument("Expecting user ID."),
+		}
+	}
+	res := &roomserverAPI.PerformAdminEvacuateUserResponse{}
+	rsAPI.PerformAdminEvacuateUser(
+		req.Context(),
+		&roomserverAPI.PerformAdminEvacuateUserRequest{
+			UserID: userID,
+		},
+		res,
+	)
+	if err := res.Error; err != nil {
+		return err.JSONResponse()
+	}
+	return util.JSONResponse{
+		Code: 200,
+		JSON: map[string]interface{}{
+			"affected": res.Affected,
+		},
+	}
+}

clientapi/routing/routing.go

@@ -129,6 +129,12 @@ func Setup(
 		}),
 	).Methods(http.MethodGet, http.MethodOptions)
 
+	dendriteAdminRouter.Handle("/admin/evacuateUser/{userID}",
+		httputil.MakeAuthAPI("admin_evacuate_user", userAPI, func(req *http.Request, device *userapi.Device) util.JSONResponse {
+			return AdminEvacuateUser(req, device, rsAPI)
+		}),
+	).Methods(http.MethodGet, http.MethodOptions)
+
 	// server notifications
 	if cfg.Matrix.ServerNotices.Enabled {
 		logrus.Info("Enabling server notices at /_synapse/admin/v1/send_server_notice")

docs/administration/4_adminapi.md

@@ -19,6 +19,12 @@ This endpoint will instruct Dendrite to part all local users from the given `roo
 in the URL. It may take some time to complete. A JSON body will be returned containing
 the user IDs of all affected users.
 
+## `/_dendrite/admin/evacuateUser/{userID}`
+
+This endpoint will instruct Dendrite to part the given local `userID` in the URL from
+all rooms which they are currently joined. A JSON body will be returned containing
+the room IDs of all affected rooms.
+
 ## `/_synapse/admin/v1/register`
 
 Shared secret registration — please see the [user creation page](createusers) for

federationapi/consumers/presence.go

@@ -133,7 +133,7 @@ func (t *OutputPresenceConsumer) onMessage(ctx context.Context, msg *nats.Msg) b
 		return true
 	}
 
-	log.Debugf("sending presence EDU to %d servers", len(joined))
+	log.Tracef("sending presence EDU to %d servers", len(joined))
 	if err = t.queues.SendEDU(edu, t.ServerName, joined); err != nil {
 		log.WithError(err).Error("failed to send EDU")
 		return false

federationapi/producers/syncapi.go

@@ -159,7 +159,7 @@ func (p *SyncAPIProducer) SendPresence(
 	lastActiveTS := gomatrixserverlib.AsTimestamp(time.Now().Add(-(time.Duration(lastActiveAgo) * time.Millisecond)))
 
 	m.Header.Set("last_active_ts", strconv.Itoa(int(lastActiveTS)))
-	log.Debugf("Sending presence to syncAPI: %+v", m.Header)
+	log.Tracef("Sending presence to syncAPI: %+v", m.Header)
 	_, err := p.JetStream.PublishMsg(m, nats.Context(ctx))
 	return err
 }

go.mod

@@ -2,7 +2,7 @@ module github.com/matrix-org/dendrite
 
 replace github.com/nats-io/nats-server/v2 => github.com/neilalexander/nats-server/v2 v2.8.3-0.20220513095553-73a9a246d34f
 
-replace github.com/nats-io/nats.go => github.com/neilalexander/nats.go v1.13.1-0.20220419101051-b262d9f0be1e
+replace github.com/nats-io/nats.go => github.com/neilalexander/nats.go v1.13.1-0.20220621084451-ac518c356673
 
 require (
 	github.com/Arceliar/ironwood v0.0.0-20220306165321-319147a02d98

go.sum

@@ -628,6 +628,8 @@ github.com/neilalexander/nats-server/v2 v2.8.3-0.20220513095553-73a9a246d34f h1:
 github.com/neilalexander/nats-server/v2 v2.8.3-0.20220513095553-73a9a246d34f/go.mod h1:vIdpKz3OG+DCg4q/xVPdXHoztEyKDWRtykQ4N7hd7C4=
 github.com/neilalexander/nats.go v1.13.1-0.20220419101051-b262d9f0be1e h1:kNIzIzj2OvnlreA+sTJ12nWJzTP3OSLNKDL/Iq9mF6Y=
 github.com/neilalexander/nats.go v1.13.1-0.20220419101051-b262d9f0be1e/go.mod h1:BPko4oXsySz4aSWeFgOHLZs3G4Jq4ZAyE6/zMCxRT6w=
+github.com/neilalexander/nats.go v1.13.1-0.20220621084451-ac518c356673 h1:TcKfa3Tf0qwUotv63PQVu2d1bBoLi2iEA4RHVMGDh5M=
+github.com/neilalexander/nats.go v1.13.1-0.20220621084451-ac518c356673/go.mod h1:BPko4oXsySz4aSWeFgOHLZs3G4Jq4ZAyE6/zMCxRT6w=
 github.com/neilalexander/utp v0.1.1-0.20210727203401-54ae7b1cd5f9 h1:lrVQzBtkeQEGGYUHwSX1XPe1E5GL6U3KYCNe2G4bncQ=
 github.com/neilalexander/utp v0.1.1-0.20210727203401-54ae7b1cd5f9/go.mod h1:NPHGhPc0/wudcaCqL/H5AOddkRf8GPRhzOujuUKGQu8=
 github.com/nfnt/resize v0.0.0-20180221191011-83c6a9932646 h1:zYyBkD/k9seD2A7fsi6Oo2LfFZAehjjQMERAvZLEDnQ=

roomserver/api/api.go

@@ -140,11 +140,8 @@ type ClientRoomserverAPI interface {
 
 	// PerformRoomUpgrade upgrades a room to a newer version
 	PerformRoomUpgrade(ctx context.Context, req *PerformRoomUpgradeRequest, resp *PerformRoomUpgradeResponse)
-	PerformAdminEvacuateRoom(
+	PerformAdminEvacuateRoom(ctx context.Context, req *PerformAdminEvacuateRoomRequest, res *PerformAdminEvacuateRoomResponse)
-		ctx context.Context,
+	PerformAdminEvacuateUser(ctx context.Context, req *PerformAdminEvacuateUserRequest, res *PerformAdminEvacuateUserResponse)
-		req *PerformAdminEvacuateRoomRequest,
-		res *PerformAdminEvacuateRoomResponse,
-	)
 	PerformPeek(ctx context.Context, req *PerformPeekRequest, res *PerformPeekResponse)
 	PerformUnpeek(ctx context.Context, req *PerformUnpeekRequest, res *PerformUnpeekResponse)
 	PerformInvite(ctx context.Context, req *PerformInviteRequest, res *PerformInviteResponse) error
@@ -161,6 +158,7 @@ type UserRoomserverAPI interface {
 	QueryLatestEventsAndStateAPI
 	QueryCurrentState(ctx context.Context, req *QueryCurrentStateRequest, res *QueryCurrentStateResponse) error
 	QueryMembershipsForRoom(ctx context.Context, req *QueryMembershipsForRoomRequest, res *QueryMembershipsForRoomResponse) error
+	PerformAdminEvacuateUser(ctx context.Context, req *PerformAdminEvacuateUserRequest, res *PerformAdminEvacuateUserResponse)
 }
 
 type FederationRoomserverAPI interface {

roomserver/api/api_trace.go

@@ -113,6 +113,15 @@ func (t *RoomserverInternalAPITrace) PerformAdminEvacuateRoom(
 	util.GetLogger(ctx).Infof("PerformAdminEvacuateRoom req=%+v res=%+v", js(req), js(res))
 }
 
+func (t *RoomserverInternalAPITrace) PerformAdminEvacuateUser(
+	ctx context.Context,
+	req *PerformAdminEvacuateUserRequest,
+	res *PerformAdminEvacuateUserResponse,
+) {
+	t.Impl.PerformAdminEvacuateUser(ctx, req, res)
+	util.GetLogger(ctx).Infof("PerformAdminEvacuateUser req=%+v res=%+v", js(req), js(res))
+}
+
 func (t *RoomserverInternalAPITrace) PerformInboundPeek(
 	ctx context.Context,
 	req *PerformInboundPeekRequest,

roomserver/api/perform.go

@@ -223,3 +223,12 @@ type PerformAdminEvacuateRoomResponse struct {
 	Affected []string `json:"affected"`
 	Error    *PerformError
 }
+
+type PerformAdminEvacuateUserRequest struct {
+	UserID string `json:"user_id"`
+}
+
+type PerformAdminEvacuateUserResponse struct {
+	Affected []string `json:"affected"`
+	Error    *PerformError
+}

roomserver/internal/api.go

@@ -170,6 +170,7 @@ func (r *RoomserverInternalAPI) SetFederationAPI(fsAPI fsAPI.RoomserverFederatio
 		Cfg:     r.Cfg,
 		Inputer: r.Inputer,
 		Queryer: r.Queryer,
+		Leaver:  r.Leaver,
 	}
 
 	if err := r.Inputer.Start(); err != nil {

roomserver/internal/perform/perform_admin.go

@@ -16,6 +16,7 @@ package perform
 
 import (
 	"context"
+	"database/sql"
 	"encoding/json"
 	"fmt"
 	"time"
@@ -34,6 +35,7 @@ type Admin struct {
 	Cfg     *config.RoomServer
 	Queryer *query.Queryer
 	Inputer *input.Inputer
+	Leaver  *Leaver
 }
 
 // PerformEvacuateRoom will remove all local users from the given room.
@@ -160,3 +162,71 @@ func (r *Admin) PerformAdminEvacuateRoom(
 	inputRes := &api.InputRoomEventsResponse{}
 	r.Inputer.InputRoomEvents(ctx, inputReq, inputRes)
 }
+
+func (r *Admin) PerformAdminEvacuateUser(
+	ctx context.Context,
+	req *api.PerformAdminEvacuateUserRequest,
+	res *api.PerformAdminEvacuateUserResponse,
+) {
+	_, domain, err := gomatrixserverlib.SplitID('@', req.UserID)
+	if err != nil {
+		res.Error = &api.PerformError{
+			Code: api.PerformErrorBadRequest,
+			Msg:  fmt.Sprintf("Malformed user ID: %s", err),
+		}
+		return
+	}
+	if domain != r.Cfg.Matrix.ServerName {
+		res.Error = &api.PerformError{
+			Code: api.PerformErrorBadRequest,
+			Msg:  "Can only evacuate local users using this endpoint",
+		}
+		return
+	}
+
+	roomIDs, err := r.DB.GetRoomsByMembership(ctx, req.UserID, gomatrixserverlib.Join)
+	if err != nil && err != sql.ErrNoRows {
+		res.Error = &api.PerformError{
+			Code: api.PerformErrorBadRequest,
+			Msg:  fmt.Sprintf("r.DB.GetRoomsByMembership: %s", err),
+		}
+		return
+	}
+
+	inviteRoomIDs, err := r.DB.GetRoomsByMembership(ctx, req.UserID, gomatrixserverlib.Invite)
+	if err != nil && err != sql.ErrNoRows {
+		res.Error = &api.PerformError{
+			Code: api.PerformErrorBadRequest,
+			Msg:  fmt.Sprintf("r.DB.GetRoomsByMembership: %s", err),
+		}
+		return
+	}
+
+	for _, roomID := range append(roomIDs, inviteRoomIDs...) {
+		leaveReq := &api.PerformLeaveRequest{
+			RoomID: roomID,
+			UserID: req.UserID,
+		}
+		leaveRes := &api.PerformLeaveResponse{}
+		outputEvents, err := r.Leaver.PerformLeave(ctx, leaveReq, leaveRes)
+		if err != nil {
+			res.Error = &api.PerformError{
+				Code: api.PerformErrorBadRequest,
+				Msg:  fmt.Sprintf("r.Leaver.PerformLeave: %s", err),
+			}
+			return
+		}
+		if len(outputEvents) == 0 {
+			continue
+		}
+		if err := r.Inputer.WriteOutputEvents(roomID, outputEvents); err != nil {
+			res.Error = &api.PerformError{
+				Code: api.PerformErrorBadRequest,
+				Msg:  fmt.Sprintf("r.Inputer.WriteOutputEvents: %s", err),
+			}
+			return
+		}
+
+		res.Affected = append(res.Affected, roomID)
+	}
+}

roomserver/internal/perform/perform_invite.go

@@ -56,7 +56,14 @@ func (r *Inviter) PerformInvite(
 		return nil, fmt.Errorf("failed to load RoomInfo: %w", err)
 	}
 
-	_, domain, _ := gomatrixserverlib.SplitID('@', targetUserID)
+	_, domain, err := gomatrixserverlib.SplitID('@', targetUserID)
+	if err != nil {
+		res.Error = &api.PerformError{
+			Code: api.PerformErrorBadRequest,
+			Msg:  fmt.Sprintf("The user ID %q is invalid!", targetUserID),
+		}
+		return nil, nil
+	}
 	isTargetLocal := domain == r.Cfg.Matrix.ServerName
 	isOriginLocal := event.Origin() == r.Cfg.Matrix.ServerName
 

roomserver/inthttp/client.go

@@ -40,6 +40,7 @@ const (
 	RoomserverPerformInboundPeekPath       = "/roomserver/performInboundPeek"
 	RoomserverPerformForgetPath            = "/roomserver/performForget"
 	RoomserverPerformAdminEvacuateRoomPath = "/roomserver/performAdminEvacuateRoom"
+	RoomserverPerformAdminEvacuateUserPath = "/roomserver/performAdminEvacuateUser"
 
 	// Query operations
 	RoomserverQueryLatestEventsAndStatePath    = "/roomserver/queryLatestEventsAndState"
@@ -305,6 +306,23 @@ func (h *httpRoomserverInternalAPI) PerformAdminEvacuateRoom(
 	}
 }
 
+func (h *httpRoomserverInternalAPI) PerformAdminEvacuateUser(
+	ctx context.Context,
+	req *api.PerformAdminEvacuateUserRequest,
+	res *api.PerformAdminEvacuateUserResponse,
+) {
+	span, ctx := opentracing.StartSpanFromContext(ctx, "PerformAdminEvacuateUser")
+	defer span.Finish()
+
+	apiURL := h.roomserverURL + RoomserverPerformAdminEvacuateUserPath
+	err := httputil.PostJSON(ctx, span, h.httpClient, apiURL, req, res)
+	if err != nil {
+		res.Error = &api.PerformError{
+			Msg: fmt.Sprintf("failed to communicate with roomserver: %s", err),
+		}
+	}
+}
+
 // QueryLatestEventsAndState implements RoomserverQueryAPI
 func (h *httpRoomserverInternalAPI) QueryLatestEventsAndState(
 	ctx context.Context,

roomserver/inthttp/server.go

@@ -129,6 +129,17 @@ func AddRoutes(r api.RoomserverInternalAPI, internalAPIMux *mux.Router) {
 			return util.JSONResponse{Code: http.StatusOK, JSON: &response}
 		}),
 	)
+	internalAPIMux.Handle(RoomserverPerformAdminEvacuateUserPath,
+		httputil.MakeInternalAPI("performAdminEvacuateUser", func(req *http.Request) util.JSONResponse {
+			var request api.PerformAdminEvacuateUserRequest
+			var response api.PerformAdminEvacuateUserResponse
+			if err := json.NewDecoder(req.Body).Decode(&request); err != nil {
+				return util.MessageResponse(http.StatusBadRequest, err.Error())
+			}
+			r.PerformAdminEvacuateUser(req.Context(), &request, &response)
+			return util.JSONResponse{Code: http.StatusOK, JSON: &response}
+		}),
+	)
 	internalAPIMux.Handle(
 		RoomserverQueryPublishedRoomsPath,
 		httputil.MakeInternalAPI("queryPublishedRooms", func(req *http.Request) util.JSONResponse {

syncapi/consumers/presence.go

@@ -138,7 +138,7 @@ func (s *PresenceConsumer) onMessage(ctx context.Context, msg *nats.Msg) bool {
 	presence := msg.Header.Get("presence")
 	timestamp := msg.Header.Get("last_active_ts")
 	fromSync, _ := strconv.ParseBool(msg.Header.Get("from_sync"))
-	logrus.Debugf("syncAPI received presence event: %+v", msg.Header)
+	logrus.Tracef("syncAPI received presence event: %+v", msg.Header)
 
 	if fromSync { // do not process local presence changes; we already did this synchronously.
 		return true

syncapi/routing/messages.go

@@ -50,7 +50,7 @@ type messagesReq struct {
 type messagesResp struct {
 	Start       string                          `json:"start"`
 	StartStream string                          `json:"start_stream,omitempty"` // NOTSPEC: used by Cerulean, so clients can hit /messages then immediately /sync with a latest sync token
-	End         string                          `json:"end"`
+	End         string                          `json:"end,omitempty"`
 	Chunk       []gomatrixserverlib.ClientEvent `json:"chunk"`
 	State       []gomatrixserverlib.ClientEvent `json:"state"`
 }
@@ -200,30 +200,6 @@ func OnIncomingMessagesRequest(
 		return jsonerror.InternalServerError()
 	}
 
-	// at least fetch the membership events for the users returned in chunk if LazyLoadMembers is set
-	state := []gomatrixserverlib.ClientEvent{}
-	if filter.LazyLoadMembers {
-		membershipToUser := make(map[string]*gomatrixserverlib.HeaderedEvent)
-		for _, evt := range clientEvents {
-			// Don't add membership events the client should already know about
-			if _, cached := lazyLoadCache.IsLazyLoadedUserCached(device, roomID, evt.Sender); cached {
-				continue
-			}
-			membership, err := db.GetStateEvent(req.Context(), roomID, gomatrixserverlib.MRoomMember, evt.Sender)
-			if err != nil {
-				util.GetLogger(req.Context()).WithError(err).Error("failed to get membership event for user")
-				continue
-			}
-			if membership != nil {
-				membershipToUser[evt.Sender] = membership
-				lazyLoadCache.StoreLazyLoadedUser(device, roomID, evt.Sender, membership.EventID())
-			}
-		}
-		for _, evt := range membershipToUser {
-			state = append(state, gomatrixserverlib.HeaderedToClientEvent(evt, gomatrixserverlib.FormatSync))
-		}
-	}
-
 	util.GetLogger(req.Context()).WithFields(logrus.Fields{
 		"from":         from.String(),
 		"to":           to.String(),
@@ -237,7 +213,13 @@ func OnIncomingMessagesRequest(
 		Chunk: clientEvents,
 		Start: start.String(),
 		End:   end.String(),
-		State: state,
+	}
+	res.applyLazyLoadMembers(req.Context(), db, roomID, device, filter.LazyLoadMembers, lazyLoadCache)
+
+	// If we didn't return any events, set the end to an empty string, so it will be omitted
+	// in the response JSON.
+	if len(res.Chunk) == 0 {
+		res.End = ""
 	}
 	if fromStream != nil {
 		res.StartStream = fromStream.String()
@@ -250,6 +232,40 @@ func OnIncomingMessagesRequest(
 	}
 }
 
+// applyLazyLoadMembers loads membership events for users returned in Chunk, if the filter has
+// LazyLoadMembers enabled.
+func (m *messagesResp) applyLazyLoadMembers(
+	ctx context.Context,
+	db storage.Database,
+	roomID string,
+	device *userapi.Device,
+	lazyLoad bool,
+	lazyLoadCache caching.LazyLoadCache,
+) {
+	if !lazyLoad {
+		return
+	}
+	membershipToUser := make(map[string]*gomatrixserverlib.HeaderedEvent)
+	for _, evt := range m.Chunk {
+		// Don't add membership events the client should already know about
+		if _, cached := lazyLoadCache.IsLazyLoadedUserCached(device, roomID, evt.Sender); cached {
+			continue
+		}
+		membership, err := db.GetStateEvent(ctx, roomID, gomatrixserverlib.MRoomMember, evt.Sender)
+		if err != nil {
+			util.GetLogger(ctx).WithError(err).Error("failed to get membership event for user")
+			continue
+		}
+		if membership != nil {
+			membershipToUser[evt.Sender] = membership
+			lazyLoadCache.StoreLazyLoadedUser(device, roomID, evt.Sender, membership.EventID())
+		}
+	}
+	for _, evt := range membershipToUser {
+		m.State = append(m.State, gomatrixserverlib.HeaderedToClientEvent(evt, gomatrixserverlib.FormatSync))
+	}
+}
+
 func checkIsRoomForgotten(ctx context.Context, roomID, userID string, rsAPI api.SyncRoomserverAPI) (forgotten bool, exists bool, err error) {
 	req := api.QueryMembershipForUserRequest{
 		RoomID: roomID,

syncapi/streams/stream_presence.go

@@ -111,7 +111,7 @@ func (p *PresenceStreamProvider) IncrementalSync(
 			currentlyActive := prevPresence.CurrentlyActive()
 			skip := prevPresence.Equals(presence) && currentlyActive && req.Device.UserID != presence.UserID
 			if skip {
-				req.Log.Debugf("Skipping presence, no change (%s)", presence.UserID)
+				req.Log.Tracef("Skipping presence, no change (%s)", presence.UserID)
 				continue
 			}
 		}

sytest-blacklist

@@ -48,7 +48,3 @@ Notifications can be viewed with GET /notifications
 # More flakey
 
 If remote user leaves room we no longer receive device updates
-
-# User sees their own presence in a sync
-
-# Inbound /v1/send_join rejects joins from other servers

sytest-whitelist

@@ -107,6 +107,7 @@ Lazy loading parameters in the filter are strictly boolean
 Can sync
 Can sync a joined room
 Newly joined room is included in an incremental sync
+Newly joined room includes presence in incremental sync
 User is offline if they set_presence=offline in their sync
 Changes to state are included in an incremental sync
 A change to displayname should appear in incremental /sync
@@ -241,7 +242,6 @@ Inbound federation can receive v2 /send_join
 Message history can be paginated
 Backfill works correctly with history visibility set to joined
 Guest user cannot call /events globally
-Guest users can join guest_access rooms
 Guest user can set display names
 Guest user cannot upgrade other users
 Guest non-joined user cannot call /events on shared room

userapi/internal/api.go

@@ -33,6 +33,7 @@ import (
 	"github.com/matrix-org/dendrite/internal/pushrules"
 	"github.com/matrix-org/dendrite/internal/sqlutil"
 	keyapi "github.com/matrix-org/dendrite/keyserver/api"
+	rsapi "github.com/matrix-org/dendrite/roomserver/api"
 	"github.com/matrix-org/dendrite/setup/config"
 	"github.com/matrix-org/dendrite/userapi/api"
 	"github.com/matrix-org/dendrite/userapi/producers"
@@ -49,6 +50,7 @@ type UserInternalAPI struct {
 	// AppServices is the list of all registered AS
 	AppServices []config.ApplicationService
 	KeyAPI      keyapi.UserKeyAPI
+	RSAPI       rsapi.UserRoomserverAPI
 }
 
 func (a *UserInternalAPI) InputAccountData(ctx context.Context, req *api.InputAccountDataRequest, res *api.InputAccountDataResponse) error {
@@ -452,6 +454,30 @@ func (a *UserInternalAPI) queryAppServiceToken(ctx context.Context, token, appSe
 
 // PerformAccountDeactivation deactivates the user's account, removing all ability for the user to login again.
 func (a *UserInternalAPI) PerformAccountDeactivation(ctx context.Context, req *api.PerformAccountDeactivationRequest, res *api.PerformAccountDeactivationResponse) error {
+	evacuateReq := &rsapi.PerformAdminEvacuateUserRequest{
+		UserID: fmt.Sprintf("@%s:%s", req.Localpart, a.ServerName),
+	}
+	evacuateRes := &rsapi.PerformAdminEvacuateUserResponse{}
+	a.RSAPI.PerformAdminEvacuateUser(ctx, evacuateReq, evacuateRes)
+	if err := evacuateRes.Error; err != nil {
+		logrus.WithError(err).Errorf("Failed to evacuate user after account deactivation")
+	}
+
+	deviceReq := &api.PerformDeviceDeletionRequest{
+		UserID: fmt.Sprintf("@%s:%s", req.Localpart, a.ServerName),
+	}
+	deviceRes := &api.PerformDeviceDeletionResponse{}
+	if err := a.PerformDeviceDeletion(ctx, deviceReq, deviceRes); err != nil {
+		return err
+	}
+
+	pusherReq := &api.PerformPusherDeletionRequest{
+		Localpart: req.Localpart,
+	}
+	if err := a.PerformPusherDeletion(ctx, pusherReq, &struct{}{}); err != nil {
+		return err
+	}
+
 	err := a.DB.DeactivateAccount(ctx, req.Localpart)
 	res.AccountDeactivated = err == nil
 	return err

userapi/userapi.go

@@ -78,6 +78,7 @@ func NewInternalAPI(
 		ServerName:           cfg.Matrix.ServerName,
 		AppServices:          appServices,
 		KeyAPI:               keyAPI,
+		RSAPI:                rsAPI,
 		DisableTLSValidation: cfg.PushGatewayDisableTLSValidation,
 	}