e007b8038f
This hopefully makes E2EE chats a little bit more reliable by re-syncing
devices if we don't have the `requesting_device_id` in our database. (As
seen in
[Synapse](c52abc1cfd/synapse/handlers/devicemessage.py (L157-L201)))
466 lines
16 KiB
Go
466 lines
16 KiB
Go
package internal
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import (
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"context"
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"reflect"
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"sort"
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"testing"
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"github.com/matrix-org/gomatrixserverlib"
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"github.com/matrix-org/util"
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keyapi "github.com/matrix-org/dendrite/keyserver/api"
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"github.com/matrix-org/dendrite/roomserver/api"
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"github.com/matrix-org/dendrite/syncapi/types"
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userapi "github.com/matrix-org/dendrite/userapi/api"
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)
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var (
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syncingUser = "@alice:localhost"
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emptyToken = types.StreamPosition(0)
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)
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type mockKeyAPI struct{}
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func (k *mockKeyAPI) PerformMarkAsStaleIfNeeded(ctx context.Context, req *keyapi.PerformMarkAsStaleRequest, res *struct{}) error {
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return nil
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}
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func (k *mockKeyAPI) PerformUploadKeys(ctx context.Context, req *keyapi.PerformUploadKeysRequest, res *keyapi.PerformUploadKeysResponse) error {
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return nil
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}
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func (k *mockKeyAPI) SetUserAPI(i userapi.UserInternalAPI) {}
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// PerformClaimKeys claims one-time keys for use in pre-key messages
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func (k *mockKeyAPI) PerformClaimKeys(ctx context.Context, req *keyapi.PerformClaimKeysRequest, res *keyapi.PerformClaimKeysResponse) error {
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return nil
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}
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func (k *mockKeyAPI) PerformDeleteKeys(ctx context.Context, req *keyapi.PerformDeleteKeysRequest, res *keyapi.PerformDeleteKeysResponse) error {
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return nil
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}
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func (k *mockKeyAPI) PerformUploadDeviceKeys(ctx context.Context, req *keyapi.PerformUploadDeviceKeysRequest, res *keyapi.PerformUploadDeviceKeysResponse) error {
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return nil
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}
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func (k *mockKeyAPI) PerformUploadDeviceSignatures(ctx context.Context, req *keyapi.PerformUploadDeviceSignaturesRequest, res *keyapi.PerformUploadDeviceSignaturesResponse) error {
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return nil
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}
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func (k *mockKeyAPI) QueryKeys(ctx context.Context, req *keyapi.QueryKeysRequest, res *keyapi.QueryKeysResponse) error {
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return nil
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}
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func (k *mockKeyAPI) QueryKeyChanges(ctx context.Context, req *keyapi.QueryKeyChangesRequest, res *keyapi.QueryKeyChangesResponse) error {
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return nil
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}
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func (k *mockKeyAPI) QueryOneTimeKeys(ctx context.Context, req *keyapi.QueryOneTimeKeysRequest, res *keyapi.QueryOneTimeKeysResponse) error {
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return nil
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}
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func (k *mockKeyAPI) QueryDeviceMessages(ctx context.Context, req *keyapi.QueryDeviceMessagesRequest, res *keyapi.QueryDeviceMessagesResponse) error {
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return nil
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}
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func (k *mockKeyAPI) QuerySignatures(ctx context.Context, req *keyapi.QuerySignaturesRequest, res *keyapi.QuerySignaturesResponse) error {
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return nil
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}
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type mockRoomserverAPI struct {
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api.RoomserverInternalAPITrace
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roomIDToJoinedMembers map[string][]string
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}
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// QueryRoomsForUser retrieves a list of room IDs matching the given query.
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func (s *mockRoomserverAPI) QueryRoomsForUser(ctx context.Context, req *api.QueryRoomsForUserRequest, res *api.QueryRoomsForUserResponse) error {
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return nil
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}
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// QueryBulkStateContent does a bulk query for state event content in the given rooms.
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func (s *mockRoomserverAPI) QueryBulkStateContent(ctx context.Context, req *api.QueryBulkStateContentRequest, res *api.QueryBulkStateContentResponse) error {
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res.Rooms = make(map[string]map[gomatrixserverlib.StateKeyTuple]string)
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if req.AllowWildcards && len(req.StateTuples) == 1 && req.StateTuples[0].EventType == gomatrixserverlib.MRoomMember && req.StateTuples[0].StateKey == "*" {
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for _, roomID := range req.RoomIDs {
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res.Rooms[roomID] = make(map[gomatrixserverlib.StateKeyTuple]string)
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for _, userID := range s.roomIDToJoinedMembers[roomID] {
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res.Rooms[roomID][gomatrixserverlib.StateKeyTuple{
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EventType: gomatrixserverlib.MRoomMember,
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StateKey: userID,
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}] = "join"
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}
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}
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}
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return nil
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}
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// QuerySharedUsers returns a list of users who share at least 1 room in common with the given user.
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func (s *mockRoomserverAPI) QuerySharedUsers(ctx context.Context, req *api.QuerySharedUsersRequest, res *api.QuerySharedUsersResponse) error {
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roomsToQuery := req.IncludeRoomIDs
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for roomID, members := range s.roomIDToJoinedMembers {
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exclude := false
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for _, excludeRoomID := range req.ExcludeRoomIDs {
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if roomID == excludeRoomID {
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exclude = true
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break
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}
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}
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if exclude {
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continue
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}
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for _, userID := range members {
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if userID == req.UserID {
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roomsToQuery = append(roomsToQuery, roomID)
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break
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}
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}
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}
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res.UserIDsToCount = make(map[string]int)
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for _, roomID := range roomsToQuery {
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for _, userID := range s.roomIDToJoinedMembers[roomID] {
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res.UserIDsToCount[userID]++
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}
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}
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return nil
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}
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// This is actually a database function, but seeing as we track the state inside the
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// *mockRoomserverAPI, we'll just comply with the interface here instead.
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func (s *mockRoomserverAPI) SharedUsers(ctx context.Context, userID string, otherUserIDs []string) ([]string, error) {
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commonUsers := []string{}
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for _, members := range s.roomIDToJoinedMembers {
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for _, member := range members {
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for _, userID := range otherUserIDs {
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if member == userID {
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commonUsers = append(commonUsers, userID)
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}
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}
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}
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}
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return util.UniqueStrings(commonUsers), nil
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}
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type wantCatchup struct {
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hasNew bool
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changed []string
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left []string
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}
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func assertCatchup(t *testing.T, hasNew bool, syncResponse *types.Response, want wantCatchup) {
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t.Helper()
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if hasNew != want.hasNew {
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t.Errorf("got hasNew=%v want %v", hasNew, want.hasNew)
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}
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sort.Strings(syncResponse.DeviceLists.Left)
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if !reflect.DeepEqual(syncResponse.DeviceLists.Left, want.left) {
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t.Errorf("device_lists.left got %v want %v", syncResponse.DeviceLists.Left, want.left)
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}
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sort.Strings(syncResponse.DeviceLists.Changed)
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if !reflect.DeepEqual(syncResponse.DeviceLists.Changed, want.changed) {
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t.Errorf("device_lists.changed got %v want %v", syncResponse.DeviceLists.Changed, want.changed)
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}
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}
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func joinResponseWithRooms(syncResponse *types.Response, userID string, roomIDs []string) *types.Response {
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for _, roomID := range roomIDs {
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roomEvents := []gomatrixserverlib.ClientEvent{
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{
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Type: "m.room.member",
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StateKey: &userID,
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EventID: "$something:here",
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Sender: userID,
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RoomID: roomID,
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Content: []byte(`{"membership":"join"}`),
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},
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}
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jr := syncResponse.Rooms.Join[roomID]
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jr.State.Events = roomEvents
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syncResponse.Rooms.Join[roomID] = jr
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}
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return syncResponse
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}
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func leaveResponseWithRooms(syncResponse *types.Response, userID string, roomIDs []string) *types.Response {
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for _, roomID := range roomIDs {
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roomEvents := []gomatrixserverlib.ClientEvent{
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{
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Type: "m.room.member",
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StateKey: &userID,
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EventID: "$something:here",
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Sender: userID,
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RoomID: roomID,
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Content: []byte(`{"membership":"leave"}`),
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},
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}
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lr := syncResponse.Rooms.Leave[roomID]
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lr.Timeline.Events = roomEvents
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syncResponse.Rooms.Leave[roomID] = lr
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}
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return syncResponse
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}
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// tests that joining a room which results in sharing a new user includes that user in `changed`
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func TestKeyChangeCatchupOnJoinShareNewUser(t *testing.T) {
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newShareUser := "@bill:localhost"
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newlyJoinedRoom := "!TestKeyChangeCatchupOnJoinShareNewUser:bar"
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syncResponse := types.NewResponse()
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syncResponse = joinResponseWithRooms(syncResponse, syncingUser, []string{newlyJoinedRoom})
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rsAPI := &mockRoomserverAPI{
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roomIDToJoinedMembers: map[string][]string{
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newlyJoinedRoom: {syncingUser, newShareUser},
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"!another:room": {syncingUser},
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},
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}
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_, hasNew, err := DeviceListCatchup(context.Background(), rsAPI, &mockKeyAPI{}, rsAPI, syncingUser, syncResponse, emptyToken, emptyToken)
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if err != nil {
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t.Fatalf("DeviceListCatchup returned an error: %s", err)
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}
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assertCatchup(t, hasNew, syncResponse, wantCatchup{
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hasNew: true,
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changed: []string{newShareUser},
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})
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}
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// tests that leaving a room which results in sharing no rooms with a user includes that user in `left`
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func TestKeyChangeCatchupOnLeaveShareLeftUser(t *testing.T) {
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removeUser := "@bill:localhost"
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newlyLeftRoom := "!TestKeyChangeCatchupOnLeaveShareLeftUser:bar"
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syncResponse := types.NewResponse()
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syncResponse = leaveResponseWithRooms(syncResponse, syncingUser, []string{newlyLeftRoom})
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rsAPI := &mockRoomserverAPI{
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roomIDToJoinedMembers: map[string][]string{
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newlyLeftRoom: {removeUser},
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"!another:room": {syncingUser},
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},
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}
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_, hasNew, err := DeviceListCatchup(context.Background(), rsAPI, &mockKeyAPI{}, rsAPI, syncingUser, syncResponse, emptyToken, emptyToken)
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if err != nil {
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t.Fatalf("DeviceListCatchup returned an error: %s", err)
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}
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assertCatchup(t, hasNew, syncResponse, wantCatchup{
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hasNew: true,
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left: []string{removeUser},
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})
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}
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// tests that joining a room which doesn't result in sharing a new user results in no changes.
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func TestKeyChangeCatchupOnJoinShareNoNewUsers(t *testing.T) {
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existingUser := "@bob:localhost"
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newlyJoinedRoom := "!TestKeyChangeCatchupOnJoinShareNoNewUsers:bar"
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syncResponse := types.NewResponse()
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syncResponse = joinResponseWithRooms(syncResponse, syncingUser, []string{newlyJoinedRoom})
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rsAPI := &mockRoomserverAPI{
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roomIDToJoinedMembers: map[string][]string{
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newlyJoinedRoom: {syncingUser, existingUser},
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"!another:room": {syncingUser, existingUser},
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},
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}
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_, hasNew, err := DeviceListCatchup(context.Background(), rsAPI, &mockKeyAPI{}, rsAPI, syncingUser, syncResponse, emptyToken, emptyToken)
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if err != nil {
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t.Fatalf("Catchup returned an error: %s", err)
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}
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assertCatchup(t, hasNew, syncResponse, wantCatchup{
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hasNew: false,
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})
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}
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// tests that leaving a room which doesn't result in sharing no rooms with a user results in no changes.
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func TestKeyChangeCatchupOnLeaveShareNoUsers(t *testing.T) {
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existingUser := "@bob:localhost"
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newlyLeftRoom := "!TestKeyChangeCatchupOnLeaveShareNoUsers:bar"
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syncResponse := types.NewResponse()
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syncResponse = leaveResponseWithRooms(syncResponse, syncingUser, []string{newlyLeftRoom})
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rsAPI := &mockRoomserverAPI{
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roomIDToJoinedMembers: map[string][]string{
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newlyLeftRoom: {existingUser},
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"!another:room": {syncingUser, existingUser},
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},
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}
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_, hasNew, err := DeviceListCatchup(context.Background(), rsAPI, &mockKeyAPI{}, rsAPI, syncingUser, syncResponse, emptyToken, emptyToken)
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if err != nil {
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t.Fatalf("DeviceListCatchup returned an error: %s", err)
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}
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assertCatchup(t, hasNew, syncResponse, wantCatchup{
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hasNew: false,
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})
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}
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// tests that not joining any rooms (but having messages in the response) do not result in changes.
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func TestKeyChangeCatchupNoNewJoinsButMessages(t *testing.T) {
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existingUser := "@bob1:localhost"
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roomID := "!TestKeyChangeCatchupNoNewJoinsButMessages:bar"
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syncResponse := types.NewResponse()
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empty := ""
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roomStateEvents := []gomatrixserverlib.ClientEvent{
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{
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Type: "m.room.name",
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StateKey: &empty,
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EventID: "$something:here",
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Sender: existingUser,
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RoomID: roomID,
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Content: []byte(`{"name":"The Room Name"}`),
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},
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}
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roomTimelineEvents := []gomatrixserverlib.ClientEvent{
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{
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Type: "m.room.message",
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EventID: "$something1:here",
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Sender: existingUser,
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RoomID: roomID,
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Content: []byte(`{"body":"Message 1"}`),
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},
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{
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Type: "m.room.message",
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EventID: "$something2:here",
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Sender: syncingUser,
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RoomID: roomID,
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Content: []byte(`{"body":"Message 2"}`),
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},
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{
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Type: "m.room.message",
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EventID: "$something3:here",
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Sender: existingUser,
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RoomID: roomID,
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Content: []byte(`{"body":"Message 3"}`),
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},
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}
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jr := syncResponse.Rooms.Join[roomID]
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jr.State.Events = roomStateEvents
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jr.Timeline.Events = roomTimelineEvents
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syncResponse.Rooms.Join[roomID] = jr
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rsAPI := &mockRoomserverAPI{
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roomIDToJoinedMembers: map[string][]string{
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roomID: {syncingUser, existingUser},
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},
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}
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_, hasNew, err := DeviceListCatchup(context.Background(), rsAPI, &mockKeyAPI{}, rsAPI, syncingUser, syncResponse, emptyToken, emptyToken)
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if err != nil {
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t.Fatalf("DeviceListCatchup returned an error: %s", err)
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}
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assertCatchup(t, hasNew, syncResponse, wantCatchup{
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hasNew: false,
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})
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}
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// tests that joining/leaving multiple rooms can result in both `changed` and `left` and they are not duplicated.
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func TestKeyChangeCatchupChangeAndLeft(t *testing.T) {
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newShareUser := "@berta:localhost"
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newShareUser2 := "@bobby:localhost"
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newlyLeftUser := "@charlie:localhost"
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newlyLeftUser2 := "@debra:localhost"
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newlyJoinedRoom := "!join:bar"
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newlyLeftRoom := "!left:bar"
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syncResponse := types.NewResponse()
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syncResponse = joinResponseWithRooms(syncResponse, syncingUser, []string{newlyJoinedRoom})
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syncResponse = leaveResponseWithRooms(syncResponse, syncingUser, []string{newlyLeftRoom})
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rsAPI := &mockRoomserverAPI{
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roomIDToJoinedMembers: map[string][]string{
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newlyJoinedRoom: {syncingUser, newShareUser, newShareUser2},
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newlyLeftRoom: {newlyLeftUser, newlyLeftUser2},
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"!another:room": {syncingUser},
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},
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}
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_, hasNew, err := DeviceListCatchup(context.Background(), rsAPI, &mockKeyAPI{}, rsAPI, syncingUser, syncResponse, emptyToken, emptyToken)
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if err != nil {
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t.Fatalf("Catchup returned an error: %s", err)
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}
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assertCatchup(t, hasNew, syncResponse, wantCatchup{
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hasNew: true,
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changed: []string{newShareUser, newShareUser2},
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left: []string{newlyLeftUser, newlyLeftUser2},
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})
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}
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// tests that joining/leaving the SAME room puts users in `left` if the final state is leave.
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// NB: Consider the case:
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// - Alice and Bob are in a room.
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// - Alice goes offline, Charlie joins, sends encrypted messages then leaves the room.
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// - Alice comes back online. Technically nothing has changed in the set of users between those two points in time,
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// it's still just (Alice,Bob) but then we won't be tracking Charlie -- is this okay though? It's device keys
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// which are only relevant when actively sending events I think? And if Alice does need the keys she knows
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// charlie's (user_id, device_id) so can just hit /keys/query - no need to keep updated about it because she
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// doesn't share any rooms with him.
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//
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// Ergo, we put them in `left` as it is simpler.
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func TestKeyChangeCatchupChangeAndLeftSameRoom(t *testing.T) {
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newShareUser := "@berta:localhost"
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newShareUser2 := "@bobby:localhost"
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roomID := "!join:bar"
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syncResponse := types.NewResponse()
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roomEvents := []gomatrixserverlib.ClientEvent{
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{
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Type: "m.room.member",
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StateKey: &syncingUser,
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EventID: "$something:here",
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Sender: syncingUser,
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RoomID: roomID,
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Content: []byte(`{"membership":"join"}`),
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},
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{
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Type: "m.room.message",
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EventID: "$something2:here",
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Sender: syncingUser,
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RoomID: roomID,
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Content: []byte(`{"body":"now I leave you"}`),
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},
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{
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Type: "m.room.member",
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StateKey: &syncingUser,
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EventID: "$something3:here",
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Sender: syncingUser,
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RoomID: roomID,
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Content: []byte(`{"membership":"leave"}`),
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},
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{
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Type: "m.room.member",
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StateKey: &syncingUser,
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EventID: "$something4:here",
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Sender: syncingUser,
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RoomID: roomID,
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Content: []byte(`{"membership":"join"}`),
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},
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{
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Type: "m.room.message",
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EventID: "$something5:here",
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Sender: syncingUser,
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RoomID: roomID,
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Content: []byte(`{"body":"now I am back, and I leave you for good"}`),
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},
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{
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Type: "m.room.member",
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StateKey: &syncingUser,
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EventID: "$something6:here",
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Sender: syncingUser,
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RoomID: roomID,
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Content: []byte(`{"membership":"leave"}`),
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},
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}
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lr := syncResponse.Rooms.Leave[roomID]
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lr.Timeline.Events = roomEvents
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syncResponse.Rooms.Leave[roomID] = lr
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rsAPI := &mockRoomserverAPI{
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roomIDToJoinedMembers: map[string][]string{
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roomID: {newShareUser, newShareUser2},
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"!another:room": {syncingUser},
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},
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}
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_, hasNew, err := DeviceListCatchup(
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context.Background(), rsAPI, &mockKeyAPI{}, rsAPI, syncingUser, syncResponse, emptyToken, emptyToken,
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)
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if err != nil {
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t.Fatalf("DeviceListCatchup returned an error: %s", err)
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}
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assertCatchup(t, hasNew, syncResponse, wantCatchup{
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hasNew: true,
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left: []string{newShareUser, newShareUser2},
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})
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}
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