From cbdc601f1b6d1c2a648b69ff44b3a49916f4d31a Mon Sep 17 00:00:00 2001 From: devonh Date: Wed, 31 May 2023 15:27:08 +0000 Subject: [PATCH] Move CreateRoom logic to Roomserver (#3093) Move create room logic over to roomserver. --- clientapi/routing/createroom.go | 550 +++--------------- clientapi/routing/joinroom_test.go | 5 +- clientapi/routing/membership.go | 59 +- clientapi/routing/profile.go | 2 +- clientapi/routing/redaction.go | 2 +- clientapi/routing/sendevent.go | 2 +- clientapi/routing/server_notices.go | 2 +- clientapi/threepid/invites.go | 2 +- cmd/dendrite-upgrade-tests/tests.go | 5 +- federationapi/routing/join.go | 2 +- federationapi/routing/leave.go | 2 +- go.mod | 2 +- go.sum | 4 +- internal/eventutil/events.go | 7 +- roomserver/api/api.go | 2 + roomserver/api/perform.go | 24 + roomserver/internal/alias.go | 2 +- roomserver/internal/api.go | 13 + roomserver/internal/input/input_events.go | 2 +- roomserver/internal/perform/perform_admin.go | 4 +- .../internal/perform/perform_create_room.go | 498 ++++++++++++++++ roomserver/internal/perform/perform_join.go | 2 +- roomserver/internal/perform/perform_leave.go | 2 +- .../internal/perform/perform_upgrade.go | 39 +- 24 files changed, 684 insertions(+), 550 deletions(-) create mode 100644 roomserver/internal/perform/perform_create_room.go diff --git a/clientapi/routing/createroom.go b/clientapi/routing/createroom.go index 7a7a85e8..aaa305f0 100644 --- a/clientapi/routing/createroom.go +++ b/clientapi/routing/createroom.go @@ -22,17 +22,13 @@ import ( "strings" "time" - "github.com/getsentry/sentry-go" appserviceAPI "github.com/matrix-org/dendrite/appservice/api" roomserverAPI "github.com/matrix-org/dendrite/roomserver/api" - "github.com/matrix-org/dendrite/roomserver/types" roomserverVersion "github.com/matrix-org/dendrite/roomserver/version" "github.com/matrix-org/dendrite/userapi/api" - "github.com/matrix-org/gomatrixserverlib/fclient" "github.com/matrix-org/gomatrixserverlib/spec" "github.com/matrix-org/dendrite/clientapi/httputil" - "github.com/matrix-org/dendrite/internal/eventutil" "github.com/matrix-org/dendrite/setup/config" "github.com/matrix-org/gomatrixserverlib" "github.com/matrix-org/util" @@ -41,32 +37,19 @@ 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 json.RawMessage `json:"creation_content"` - InitialState []fledglingEvent `json:"initial_state"` - RoomAliasName string `json:"room_alias_name"` - RoomVersion gomatrixserverlib.RoomVersion `json:"room_version"` - PowerLevelContentOverride json.RawMessage `json:"power_level_content_override"` - IsDirect bool `json:"is_direct"` + Invite []string `json:"invite"` + Name string `json:"name"` + Visibility string `json:"visibility"` + Topic string `json:"topic"` + Preset string `json:"preset"` + CreationContent json.RawMessage `json:"creation_content"` + InitialState []gomatrixserverlib.FledglingEvent `json:"initial_state"` + RoomAliasName string `json:"room_alias_name"` + RoomVersion gomatrixserverlib.RoomVersion `json:"room_version"` + PowerLevelContentOverride json.RawMessage `json:"power_level_content_override"` + IsDirect bool `json:"is_direct"` } -const ( - presetPrivateChat = "private_chat" - presetTrustedPrivateChat = "trusted_private_chat" - presetPublicChat = "public_chat" -) - -const ( - historyVisibilityShared = "shared" - // TODO: These should be implemented once history visibility is implemented - // historyVisibilityWorldReadable = "world_readable" - // historyVisibilityInvited = "invited" -) - func (r createRoomRequest) Validate() *util.JSONResponse { whitespace := "\t\n\x0b\x0c\r " // https://docs.python.org/2/library/string.html#string.whitespace // https://github.com/matrix-org/synapse/blob/v0.19.2/synapse/handlers/room.py#L81 @@ -78,12 +61,7 @@ func (r createRoomRequest) Validate() *util.JSONResponse { } } for _, userID := range r.Invite { - // TODO: We should put user ID parsing code into gomatrixserverlib and use that instead - // (see https://github.com/matrix-org/gomatrixserverlib/blob/3394e7c7003312043208aa73727d2256eea3d1f6/eventcontent.go#L347 ) - // It should be a struct (with pointers into a single string to avoid copying) and - // we should update all refs to use UserID types rather than strings. - // https://github.com/matrix-org/synapse/blob/v0.19.2/synapse/types.py#L92 - if _, _, err := gomatrixserverlib.SplitID('@', userID); err != nil { + if _, err := spec.NewUserID(userID, true); err != nil { return &util.JSONResponse{ Code: http.StatusBadRequest, JSON: spec.BadJSON("user id must be in the form @localpart:domain"), @@ -91,7 +69,7 @@ func (r createRoomRequest) Validate() *util.JSONResponse { } } switch r.Preset { - case presetPrivateChat, presetTrustedPrivateChat, presetPublicChat, "": + case spec.PresetPrivateChat, spec.PresetTrustedPrivateChat, spec.PresetPublicChat, "": default: return &util.JSONResponse{ Code: http.StatusBadRequest, @@ -129,13 +107,6 @@ type createRoomResponse struct { RoomAlias string `json:"room_alias,omitempty"` // in synapse not spec } -// fledglingEvent is a helper representation of an event used when creating many events in succession. -type fledglingEvent struct { - Type string `json:"type"` - StateKey string `json:"state_key"` - Content interface{} `json:"content"` -} - // CreateRoom implements /createRoom func CreateRoom( req *http.Request, device *api.Device, @@ -143,12 +114,12 @@ func CreateRoom( profileAPI api.ClientUserAPI, rsAPI roomserverAPI.ClientRoomserverAPI, asAPI appserviceAPI.AppServiceInternalAPI, ) util.JSONResponse { - var r createRoomRequest - resErr := httputil.UnmarshalJSONRequest(req, &r) + var createRequest createRoomRequest + resErr := httputil.UnmarshalJSONRequest(req, &createRequest) if resErr != nil { return *resErr } - if resErr = r.Validate(); resErr != nil { + if resErr = createRequest.Validate(); resErr != nil { return *resErr } evTime, err := httputil.ParseTSParam(req) @@ -158,46 +129,52 @@ func CreateRoom( JSON: spec.InvalidParam(err.Error()), } } - return createRoom(req.Context(), r, device, cfg, profileAPI, rsAPI, asAPI, evTime) + return createRoom(req.Context(), createRequest, device, cfg, profileAPI, rsAPI, asAPI, evTime) } // createRoom implements /createRoom -// nolint: gocyclo func createRoom( ctx context.Context, - r createRoomRequest, device *api.Device, + // TODO: remove dependency on createRoomRequest + createRequest createRoomRequest, device *api.Device, cfg *config.ClientAPI, profileAPI api.ClientUserAPI, rsAPI roomserverAPI.ClientRoomserverAPI, asAPI appserviceAPI.AppServiceInternalAPI, evTime time.Time, ) util.JSONResponse { - _, userDomain, err := gomatrixserverlib.SplitID('@', device.UserID) + userID, err := spec.NewUserID(device.UserID, true) if err != nil { - util.GetLogger(ctx).WithError(err).Error("gomatrixserverlib.SplitID failed") + util.GetLogger(ctx).WithError(err).Error("invalid userID") return util.JSONResponse{ Code: http.StatusInternalServerError, JSON: spec.InternalServerError{}, } } - if !cfg.Matrix.IsLocalServerName(userDomain) { + if !cfg.Matrix.IsLocalServerName(userID.Domain()) { return util.JSONResponse{ Code: http.StatusForbidden, - JSON: spec.Forbidden(fmt.Sprintf("User domain %q not configured locally", userDomain)), + JSON: spec.Forbidden(fmt.Sprintf("User domain %q not configured locally", userID.Domain())), } } - // TODO (#267): Check room ID doesn't clash with an existing one, and we - // probably shouldn't be using pseudo-random strings, maybe GUIDs? - roomID := fmt.Sprintf("!%s:%s", util.RandomString(16), userDomain) - logger := util.GetLogger(ctx) - userID := device.UserID + + // TODO: Check room ID doesn't clash with an existing one, and we + // probably shouldn't be using pseudo-random strings, maybe GUIDs? + roomID, err := spec.NewRoomID(fmt.Sprintf("!%s:%s", util.RandomString(16), userID.Domain())) + if err != nil { + util.GetLogger(ctx).WithError(err).Error("invalid roomID") + return util.JSONResponse{ + Code: http.StatusInternalServerError, + JSON: spec.InternalServerError{}, + } + } // Clobber keys: creator, room_version roomVersion := roomserverVersion.DefaultRoomVersion() - if r.RoomVersion != "" { - candidateVersion := gomatrixserverlib.RoomVersion(r.RoomVersion) + if createRequest.RoomVersion != "" { + candidateVersion := gomatrixserverlib.RoomVersion(createRequest.RoomVersion) _, roomVersionError := roomserverVersion.SupportedRoomVersion(candidateVersion) if roomVersionError != nil { return util.JSONResponse{ @@ -208,17 +185,13 @@ func createRoom( roomVersion = candidateVersion } - // 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.String(), + "roomID": roomID.String(), "roomVersion": roomVersion, }).Info("Creating new room") - profile, err := appserviceAPI.RetrieveUserProfile(ctx, userID, asAPI, profileAPI) + profile, err := appserviceAPI.RetrieveUserProfile(ctx, userID.String(), asAPI, profileAPI) if err != nil { util.GetLogger(ctx).WithError(err).Error("appserviceAPI.RetrieveUserProfile failed") return util.JSONResponse{ @@ -227,427 +200,38 @@ func createRoom( } } - createContent := map[string]interface{}{} - if len(r.CreationContent) > 0 { - if err = json.Unmarshal(r.CreationContent, &createContent); err != nil { - util.GetLogger(ctx).WithError(err).Error("json.Unmarshal for creation_content failed") - return util.JSONResponse{ - Code: http.StatusBadRequest, - JSON: spec.BadJSON("invalid create content"), - } - } + userDisplayName := profile.DisplayName + userAvatarURL := profile.AvatarURL + + keyID := cfg.Matrix.KeyID + privateKey := cfg.Matrix.PrivateKey + + req := roomserverAPI.PerformCreateRoomRequest{ + InvitedUsers: createRequest.Invite, + RoomName: createRequest.Name, + Visibility: createRequest.Visibility, + Topic: createRequest.Topic, + StatePreset: createRequest.Preset, + CreationContent: createRequest.CreationContent, + InitialState: createRequest.InitialState, + RoomAliasName: createRequest.RoomAliasName, + RoomVersion: roomVersion, + PowerLevelContentOverride: createRequest.PowerLevelContentOverride, + IsDirect: createRequest.IsDirect, + + UserDisplayName: userDisplayName, + UserAvatarURL: userAvatarURL, + KeyID: keyID, + PrivateKey: privateKey, + EventTime: evTime, } - createContent["creator"] = userID - createContent["room_version"] = roomVersion - powerLevelContent := eventutil.InitialPowerLevelsContent(userID) - joinRuleContent := gomatrixserverlib.JoinRuleContent{ - JoinRule: spec.Invite, - } - historyVisibilityContent := gomatrixserverlib.HistoryVisibilityContent{ - HistoryVisibility: historyVisibilityShared, - } - - if r.PowerLevelContentOverride != nil { - // Merge powerLevelContentOverride fields by unmarshalling it atop the defaults - err = json.Unmarshal(r.PowerLevelContentOverride, &powerLevelContent) - if err != nil { - util.GetLogger(ctx).WithError(err).Error("json.Unmarshal for power_level_content_override failed") - return util.JSONResponse{ - Code: http.StatusBadRequest, - JSON: spec.BadJSON("malformed power_level_content_override"), - } - } - } - - var guestsCanJoin bool - switch r.Preset { - case presetPrivateChat: - joinRuleContent.JoinRule = spec.Invite - historyVisibilityContent.HistoryVisibility = historyVisibilityShared - guestsCanJoin = true - case presetTrustedPrivateChat: - joinRuleContent.JoinRule = spec.Invite - historyVisibilityContent.HistoryVisibility = historyVisibilityShared - for _, invitee := range r.Invite { - powerLevelContent.Users[invitee] = 100 - } - guestsCanJoin = true - case presetPublicChat: - joinRuleContent.JoinRule = spec.Public - historyVisibilityContent.HistoryVisibility = historyVisibilityShared - } - - createEvent := fledglingEvent{ - Type: spec.MRoomCreate, - Content: createContent, - } - powerLevelEvent := fledglingEvent{ - Type: spec.MRoomPowerLevels, - Content: powerLevelContent, - } - joinRuleEvent := fledglingEvent{ - Type: spec.MRoomJoinRules, - Content: joinRuleContent, - } - historyVisibilityEvent := fledglingEvent{ - Type: spec.MRoomHistoryVisibility, - Content: historyVisibilityContent, - } - membershipEvent := fledglingEvent{ - Type: spec.MRoomMember, - StateKey: userID, - Content: gomatrixserverlib.MemberContent{ - Membership: spec.Join, - DisplayName: profile.DisplayName, - AvatarURL: profile.AvatarURL, - }, - } - - var nameEvent *fledglingEvent - var topicEvent *fledglingEvent - var guestAccessEvent *fledglingEvent - var aliasEvent *fledglingEvent - - if r.Name != "" { - nameEvent = &fledglingEvent{ - Type: spec.MRoomName, - Content: eventutil.NameContent{ - Name: r.Name, - }, - } - } - - if r.Topic != "" { - topicEvent = &fledglingEvent{ - Type: spec.MRoomTopic, - Content: eventutil.TopicContent{ - Topic: r.Topic, - }, - } - } - - if guestsCanJoin { - guestAccessEvent = &fledglingEvent{ - Type: spec.MRoomGuestAccess, - Content: eventutil.GuestAccessContent{ - GuestAccess: "can_join", - }, - } - } - - var roomAlias string - if r.RoomAliasName != "" { - roomAlias = fmt.Sprintf("#%s:%s", r.RoomAliasName, userDomain) - // check it's free TODO: This races but is better than nothing - hasAliasReq := roomserverAPI.GetRoomIDForAliasRequest{ - Alias: roomAlias, - IncludeAppservices: false, - } - - var aliasResp roomserverAPI.GetRoomIDForAliasResponse - err = rsAPI.GetRoomIDForAlias(ctx, &hasAliasReq, &aliasResp) - if err != nil { - util.GetLogger(ctx).WithError(err).Error("aliasAPI.GetRoomIDForAlias failed") - return util.JSONResponse{ - Code: http.StatusInternalServerError, - JSON: spec.InternalServerError{}, - } - } - if aliasResp.RoomID != "" { - return util.JSONResponse{ - Code: http.StatusBadRequest, - JSON: spec.RoomInUse("Room ID already exists."), - } - } - - aliasEvent = &fledglingEvent{ - Type: spec.MRoomCanonicalAlias, - Content: eventutil.CanonicalAlias{ - Alias: roomAlias, - }, - } - } - - var initialStateEvents []fledglingEvent - for i := range r.InitialState { - if r.InitialState[i].StateKey != "" { - initialStateEvents = append(initialStateEvents, r.InitialState[i]) - continue - } - - switch r.InitialState[i].Type { - case spec.MRoomCreate: - continue - - case spec.MRoomPowerLevels: - powerLevelEvent = r.InitialState[i] - - case spec.MRoomJoinRules: - joinRuleEvent = r.InitialState[i] - - case spec.MRoomHistoryVisibility: - historyVisibilityEvent = r.InitialState[i] - - case spec.MRoomGuestAccess: - guestAccessEvent = &r.InitialState[i] - - case spec.MRoomName: - nameEvent = &r.InitialState[i] - - case spec.MRoomTopic: - topicEvent = &r.InitialState[i] - - default: - initialStateEvents = append(initialStateEvents, r.InitialState[i]) - } - } - - // send events into the room in order of: - // 1- m.room.create - // 2- room creator join member - // 3- m.room.power_levels - // 4- m.room.join_rules - // 5- m.room.history_visibility - // 6- m.room.canonical_alias (opt) - // 7- m.room.guest_access (opt) - // 8- other initial state items - // 9- m.room.name (opt) - // 10- m.room.topic (opt) - // 11- invite events (opt) - with is_direct flag if applicable TODO - // 12- 3pid invite events (opt) TODO - // This differs from Synapse slightly. Synapse would vary the ordering of 3-7 - // depending on if those events were in "initial_state" or not. This made it - // harder to reason about, hence sticking to a strict static ordering. - // TODO: Synapse has txn/token ID on each event. Do we need to do this here? - eventsToMake := []fledglingEvent{ - createEvent, membershipEvent, powerLevelEvent, joinRuleEvent, historyVisibilityEvent, - } - if guestAccessEvent != nil { - eventsToMake = append(eventsToMake, *guestAccessEvent) - } - eventsToMake = append(eventsToMake, initialStateEvents...) - if nameEvent != nil { - eventsToMake = append(eventsToMake, *nameEvent) - } - if topicEvent != nil { - eventsToMake = append(eventsToMake, *topicEvent) - } - if aliasEvent != nil { - // TODO: bit of a chicken and egg problem here as the alias doesn't exist and cannot until we have made the room. - // This means we might fail creating the alias but say the canonical alias is something that doesn't exist. - eventsToMake = append(eventsToMake, *aliasEvent) - } - - // TODO: invite events - // TODO: 3pid invite events - - verImpl, err := gomatrixserverlib.GetRoomVersion(roomVersion) - if err != nil { - return util.JSONResponse{ - Code: http.StatusBadRequest, - JSON: spec.BadJSON("unknown room version"), - } - } - - var builtEvents []*types.HeaderedEvent - authEvents := gomatrixserverlib.NewAuthEvents(nil) - for i, e := range eventsToMake { - depth := i + 1 // depth starts at 1 - - builder := verImpl.NewEventBuilderFromProtoEvent(&gomatrixserverlib.ProtoEvent{ - Sender: userID, - RoomID: roomID, - Type: e.Type, - StateKey: &e.StateKey, - Depth: int64(depth), - }) - err = builder.SetContent(e.Content) - if err != nil { - util.GetLogger(ctx).WithError(err).Error("builder.SetContent failed") - return util.JSONResponse{ - Code: http.StatusInternalServerError, - JSON: spec.InternalServerError{}, - } - } - if i > 0 { - builder.PrevEvents = []string{builtEvents[i-1].EventID()} - } - var ev gomatrixserverlib.PDU - if err = builder.AddAuthEvents(&authEvents); err != nil { - util.GetLogger(ctx).WithError(err).Error("AddAuthEvents failed") - return util.JSONResponse{ - Code: http.StatusInternalServerError, - JSON: spec.InternalServerError{}, - } - } - ev, err = builder.Build(evTime, userDomain, cfg.Matrix.KeyID, cfg.Matrix.PrivateKey) - if err != nil { - util.GetLogger(ctx).WithError(err).Error("buildEvent failed") - return util.JSONResponse{ - Code: http.StatusInternalServerError, - JSON: spec.InternalServerError{}, - } - } - - if err = gomatrixserverlib.Allowed(ev, &authEvents); err != nil { - util.GetLogger(ctx).WithError(err).Error("gomatrixserverlib.Allowed failed") - return util.JSONResponse{ - Code: http.StatusInternalServerError, - JSON: spec.InternalServerError{}, - } - } - - // Add the event to the list of auth events - builtEvents = append(builtEvents, &types.HeaderedEvent{PDU: ev}) - err = authEvents.AddEvent(ev) - if err != nil { - util.GetLogger(ctx).WithError(err).Error("authEvents.AddEvent failed") - return util.JSONResponse{ - Code: http.StatusInternalServerError, - JSON: spec.InternalServerError{}, - } - } - } - - inputs := make([]roomserverAPI.InputRoomEvent, 0, len(builtEvents)) - for _, event := range builtEvents { - inputs = append(inputs, roomserverAPI.InputRoomEvent{ - Kind: roomserverAPI.KindNew, - Event: event, - Origin: userDomain, - SendAsServer: roomserverAPI.DoNotSendToOtherServers, - }) - } - if err = roomserverAPI.SendInputRoomEvents(ctx, rsAPI, device.UserDomain(), inputs, false); err != nil { - util.GetLogger(ctx).WithError(err).Error("roomserverAPI.SendInputRoomEvents failed") - return util.JSONResponse{ - Code: http.StatusInternalServerError, - JSON: spec.InternalServerError{}, - } - } - - // TODO(#269): Reserve room alias while we create the room. This stops us - // from creating the room but still failing due to the alias having already - // been taken. - if roomAlias != "" { - aliasReq := roomserverAPI.SetRoomAliasRequest{ - Alias: roomAlias, - RoomID: roomID, - UserID: userID, - } - - var aliasResp roomserverAPI.SetRoomAliasResponse - err = rsAPI.SetRoomAlias(ctx, &aliasReq, &aliasResp) - if err != nil { - util.GetLogger(ctx).WithError(err).Error("aliasAPI.SetRoomAlias failed") - return util.JSONResponse{ - Code: http.StatusInternalServerError, - JSON: spec.InternalServerError{}, - } - } - - if aliasResp.AliasExists { - return util.JSONResponse{ - Code: http.StatusBadRequest, - JSON: spec.RoomInUse("Room alias already exists."), - } - } - } - - // If this is a direct message then we should invite the participants. - if len(r.Invite) > 0 { - // Build some stripped state for the invite. - var globalStrippedState []fclient.InviteV2StrippedState - for _, event := range builtEvents { - // Chosen events from the spec: - // https://spec.matrix.org/v1.3/client-server-api/#stripped-state - switch event.Type() { - case spec.MRoomCreate: - fallthrough - case spec.MRoomName: - fallthrough - case spec.MRoomAvatar: - fallthrough - case spec.MRoomTopic: - fallthrough - case spec.MRoomCanonicalAlias: - fallthrough - case spec.MRoomEncryption: - fallthrough - case spec.MRoomMember: - fallthrough - case spec.MRoomJoinRules: - ev := event.PDU - globalStrippedState = append( - globalStrippedState, - fclient.NewInviteV2StrippedState(ev), - ) - } - } - - // Process the invites. - var inviteEvent *types.HeaderedEvent - for _, invitee := range r.Invite { - // Build the invite event. - inviteEvent, err = buildMembershipEvent( - ctx, invitee, "", profileAPI, device, spec.Invite, - roomID, r.IsDirect, cfg, evTime, rsAPI, asAPI, - ) - if err != nil { - util.GetLogger(ctx).WithError(err).Error("buildMembershipEvent failed") - continue - } - inviteStrippedState := append( - globalStrippedState, - fclient.NewInviteV2StrippedState(inviteEvent.PDU), - ) - // Send the invite event to the roomserver. - event := inviteEvent - err = rsAPI.PerformInvite(ctx, &roomserverAPI.PerformInviteRequest{ - Event: event, - InviteRoomState: inviteStrippedState, - RoomVersion: event.Version(), - SendAsServer: string(userDomain), - }) - switch e := err.(type) { - case roomserverAPI.ErrInvalidID: - return util.JSONResponse{ - Code: http.StatusBadRequest, - JSON: spec.Unknown(e.Error()), - } - case roomserverAPI.ErrNotAllowed: - return util.JSONResponse{ - Code: http.StatusForbidden, - JSON: spec.Forbidden(e.Error()), - } - case nil: - default: - util.GetLogger(ctx).WithError(err).Error("PerformInvite failed") - sentry.CaptureException(err) - return util.JSONResponse{ - Code: http.StatusInternalServerError, - JSON: spec.InternalServerError{}, - } - } - } - } - - if r.Visibility == spec.Public { - // expose this room in the published room list - if err = rsAPI.PerformPublish(ctx, &roomserverAPI.PerformPublishRequest{ - RoomID: roomID, - Visibility: spec.Public, - }); err != nil { - util.GetLogger(ctx).WithError(err).Error("failed to publish room") - return util.JSONResponse{ - Code: http.StatusInternalServerError, - JSON: spec.InternalServerError{}, - } - } + roomAlias, createRes := rsAPI.PerformCreateRoom(ctx, *userID, *roomID, &req) + if createRes != nil { + return *createRes } response := createRoomResponse{ - RoomID: roomID, + RoomID: roomID.String(), RoomAlias: roomAlias, } diff --git a/clientapi/routing/joinroom_test.go b/clientapi/routing/joinroom_test.go index 4b67b09f..0ddff8a9 100644 --- a/clientapi/routing/joinroom_test.go +++ b/clientapi/routing/joinroom_test.go @@ -11,6 +11,7 @@ import ( "github.com/matrix-org/dendrite/internal/sqlutil" "github.com/matrix-org/dendrite/setup/jetstream" "github.com/matrix-org/gomatrixserverlib" + "github.com/matrix-org/gomatrixserverlib/spec" "github.com/matrix-org/dendrite/appservice" "github.com/matrix-org/dendrite/roomserver" @@ -63,7 +64,7 @@ func TestJoinRoomByIDOrAlias(t *testing.T) { IsDirect: true, Topic: "testing", Visibility: "public", - Preset: presetPublicChat, + Preset: spec.PresetPublicChat, RoomAliasName: "alias", Invite: []string{bob.ID}, }, aliceDev, &cfg.ClientAPI, userAPI, rsAPI, asAPI, time.Now()) @@ -78,7 +79,7 @@ func TestJoinRoomByIDOrAlias(t *testing.T) { IsDirect: true, Topic: "testing", Visibility: "public", - Preset: presetPublicChat, + Preset: spec.PresetPublicChat, Invite: []string{charlie.ID}, }, aliceDev, &cfg.ClientAPI, userAPI, rsAPI, asAPI, time.Now()) crRespWithGuestAccess, ok := resp.JSON.(createRoomResponse) diff --git a/clientapi/routing/membership.go b/clientapi/routing/membership.go index 4f2a0e39..0fe0a4ad 100644 --- a/clientapi/routing/membership.go +++ b/clientapi/routing/membership.go @@ -16,12 +16,14 @@ package routing import ( "context" + "crypto/ed25519" "fmt" "net/http" "time" "github.com/getsentry/sentry-go" "github.com/matrix-org/gomatrixserverlib" + "github.com/matrix-org/gomatrixserverlib/fclient" "github.com/matrix-org/gomatrixserverlib/spec" appserviceAPI "github.com/matrix-org/dendrite/appservice/api" @@ -308,6 +310,41 @@ func sendInvite( }, nil } +func buildMembershipEventDirect( + ctx context.Context, + targetUserID, reason string, userDisplayName, userAvatarURL string, + sender string, senderDomain spec.ServerName, + membership, roomID string, isDirect bool, + keyID gomatrixserverlib.KeyID, privateKey ed25519.PrivateKey, evTime time.Time, + rsAPI roomserverAPI.ClientRoomserverAPI, +) (*types.HeaderedEvent, error) { + proto := gomatrixserverlib.ProtoEvent{ + Sender: sender, + RoomID: roomID, + Type: "m.room.member", + StateKey: &targetUserID, + } + + content := gomatrixserverlib.MemberContent{ + Membership: membership, + DisplayName: userDisplayName, + AvatarURL: userAvatarURL, + Reason: reason, + IsDirect: isDirect, + } + + if err := proto.SetContent(content); err != nil { + return nil, err + } + + identity := &fclient.SigningIdentity{ + ServerName: senderDomain, + KeyID: keyID, + PrivateKey: privateKey, + } + return eventutil.QueryAndBuildEvent(ctx, &proto, identity, evTime, rsAPI, nil) +} + func buildMembershipEvent( ctx context.Context, targetUserID, reason string, profileAPI userapi.ClientUserAPI, @@ -321,31 +358,13 @@ func buildMembershipEvent( return nil, err } - proto := gomatrixserverlib.ProtoEvent{ - Sender: device.UserID, - RoomID: roomID, - Type: "m.room.member", - StateKey: &targetUserID, - } - - content := gomatrixserverlib.MemberContent{ - Membership: membership, - DisplayName: profile.DisplayName, - AvatarURL: profile.AvatarURL, - Reason: reason, - IsDirect: isDirect, - } - - if err = proto.SetContent(content); err != nil { - return nil, err - } - identity, err := cfg.Matrix.SigningIdentityFor(device.UserDomain()) if err != nil { return nil, err } - return eventutil.QueryAndBuildEvent(ctx, &proto, cfg.Matrix, identity, evTime, rsAPI, nil) + return buildMembershipEventDirect(ctx, targetUserID, reason, profile.DisplayName, profile.AvatarURL, + device.UserID, device.UserDomain(), membership, roomID, isDirect, identity.KeyID, identity.PrivateKey, evTime, rsAPI) } // loadProfile lookups the profile of a given user from the database and returns diff --git a/clientapi/routing/profile.go b/clientapi/routing/profile.go index 76129f0a..2c9d0cbb 100644 --- a/clientapi/routing/profile.go +++ b/clientapi/routing/profile.go @@ -387,7 +387,7 @@ func buildMembershipEvents( return nil, err } - event, err := eventutil.QueryAndBuildEvent(ctx, &proto, cfg.Matrix, identity, evTime, rsAPI, nil) + event, err := eventutil.QueryAndBuildEvent(ctx, &proto, identity, evTime, rsAPI, nil) if err != nil { return nil, err } diff --git a/clientapi/routing/redaction.go b/clientapi/routing/redaction.go index ed70e5c5..88312642 100644 --- a/clientapi/routing/redaction.go +++ b/clientapi/routing/redaction.go @@ -137,7 +137,7 @@ func SendRedaction( } var queryRes roomserverAPI.QueryLatestEventsAndStateResponse - e, err := eventutil.QueryAndBuildEvent(req.Context(), &proto, cfg.Matrix, identity, time.Now(), rsAPI, &queryRes) + e, err := eventutil.QueryAndBuildEvent(req.Context(), &proto, identity, time.Now(), rsAPI, &queryRes) if errors.Is(err, eventutil.ErrRoomNoExists{}) { return util.JSONResponse{ Code: http.StatusNotFound, diff --git a/clientapi/routing/sendevent.go b/clientapi/routing/sendevent.go index bc14642f..1a2e25c9 100644 --- a/clientapi/routing/sendevent.go +++ b/clientapi/routing/sendevent.go @@ -293,7 +293,7 @@ func generateSendEvent( } var queryRes api.QueryLatestEventsAndStateResponse - e, err := eventutil.QueryAndBuildEvent(ctx, &proto, cfg.Matrix, identity, evTime, rsAPI, &queryRes) + e, err := eventutil.QueryAndBuildEvent(ctx, &proto, identity, evTime, rsAPI, &queryRes) switch specificErr := err.(type) { case nil: case eventutil.ErrRoomNoExists: diff --git a/clientapi/routing/server_notices.go b/clientapi/routing/server_notices.go index ad50cc80..06714ed1 100644 --- a/clientapi/routing/server_notices.go +++ b/clientapi/routing/server_notices.go @@ -155,7 +155,7 @@ func SendServerNotice( Invite: []string{r.UserID}, Name: cfgNotices.RoomName, Visibility: "private", - Preset: presetPrivateChat, + Preset: spec.PresetPrivateChat, CreationContent: cc, RoomVersion: roomVersion, PowerLevelContentOverride: pl, diff --git a/clientapi/threepid/invites.go b/clientapi/threepid/invites.go index c296939d..9f4f62e4 100644 --- a/clientapi/threepid/invites.go +++ b/clientapi/threepid/invites.go @@ -380,7 +380,7 @@ func emit3PIDInviteEvent( } queryRes := api.QueryLatestEventsAndStateResponse{} - event, err := eventutil.QueryAndBuildEvent(ctx, proto, cfg.Matrix, identity, evTime, rsAPI, &queryRes) + event, err := eventutil.QueryAndBuildEvent(ctx, proto, identity, evTime, rsAPI, &queryRes) if err != nil { return err } diff --git a/cmd/dendrite-upgrade-tests/tests.go b/cmd/dendrite-upgrade-tests/tests.go index 03438bd4..692ab34e 100644 --- a/cmd/dendrite-upgrade-tests/tests.go +++ b/cmd/dendrite-upgrade-tests/tests.go @@ -9,6 +9,7 @@ import ( "github.com/Masterminds/semver/v3" "github.com/matrix-org/gomatrix" "github.com/matrix-org/gomatrixserverlib" + "github.com/matrix-org/gomatrixserverlib/spec" ) const userPassword = "this_is_a_long_password" @@ -56,7 +57,7 @@ func runTests(baseURL string, v *semver.Version) error { // create DM room, join it and exchange messages createRoomResp, err := users[0].client.CreateRoom(&gomatrix.ReqCreateRoom{ - Preset: "trusted_private_chat", + Preset: spec.PresetTrustedPrivateChat, Invite: []string{users[1].userID}, IsDirect: true, }) @@ -98,7 +99,7 @@ func runTests(baseURL string, v *semver.Version) error { publicRoomID := "" createRoomResp, err = users[0].client.CreateRoom(&gomatrix.ReqCreateRoom{ RoomAliasName: "global", - Preset: "public_chat", + Preset: spec.PresetPublicChat, }) if err != nil { // this is okay and expected if the room already exists and the aliases clash // try to join it diff --git a/federationapi/routing/join.go b/federationapi/routing/join.go index 4cbfc5e8..03d3309a 100644 --- a/federationapi/routing/join.go +++ b/federationapi/routing/join.go @@ -121,7 +121,7 @@ func MakeJoin( queryRes := api.QueryLatestEventsAndStateResponse{ RoomVersion: roomVersion, } - event, err := eventutil.QueryAndBuildEvent(httpReq.Context(), proto, cfg.Matrix, identity, time.Now(), rsAPI, &queryRes) + event, err := eventutil.QueryAndBuildEvent(httpReq.Context(), proto, identity, time.Now(), rsAPI, &queryRes) switch e := err.(type) { case nil: case eventutil.ErrRoomNoExists: diff --git a/federationapi/routing/leave.go b/federationapi/routing/leave.go index 3e576e09..a767168d 100644 --- a/federationapi/routing/leave.go +++ b/federationapi/routing/leave.go @@ -66,7 +66,7 @@ func MakeLeave( } queryRes := api.QueryLatestEventsAndStateResponse{} - event, err := eventutil.QueryAndBuildEvent(httpReq.Context(), proto, cfg.Matrix, identity, time.Now(), rsAPI, &queryRes) + event, err := eventutil.QueryAndBuildEvent(httpReq.Context(), proto, identity, time.Now(), rsAPI, &queryRes) switch e := err.(type) { case nil: case eventutil.ErrRoomNoExists: diff --git a/go.mod b/go.mod index 360ddf5b..0e979de6 100644 --- a/go.mod +++ b/go.mod @@ -22,7 +22,7 @@ require ( github.com/matrix-org/dugong v0.0.0-20210921133753-66e6b1c67e2e github.com/matrix-org/go-sqlite3-js v0.0.0-20220419092513-28aa791a1c91 github.com/matrix-org/gomatrix v0.0.0-20220926102614-ceba4d9f7530 - github.com/matrix-org/gomatrixserverlib v0.0.0-20230524095531-95ba6c68efb6 + github.com/matrix-org/gomatrixserverlib v0.0.0-20230531143710-c681a0658246 github.com/matrix-org/pinecone v0.11.1-0.20230210171230-8c3b24f2649a github.com/matrix-org/util v0.0.0-20221111132719-399730281e66 github.com/mattn/go-sqlite3 v1.14.16 diff --git a/go.sum b/go.sum index 4a6054af..8baa50e8 100644 --- a/go.sum +++ b/go.sum @@ -323,8 +323,8 @@ github.com/matrix-org/go-sqlite3-js v0.0.0-20220419092513-28aa791a1c91 h1:s7fexw github.com/matrix-org/go-sqlite3-js v0.0.0-20220419092513-28aa791a1c91/go.mod h1:e+cg2q7C7yE5QnAXgzo512tgFh1RbQLC0+jozuegKgo= github.com/matrix-org/gomatrix v0.0.0-20220926102614-ceba4d9f7530 h1:kHKxCOLcHH8r4Fzarl4+Y3K5hjothkVW5z7T1dUM11U= github.com/matrix-org/gomatrix v0.0.0-20220926102614-ceba4d9f7530/go.mod h1:/gBX06Kw0exX1HrwmoBibFA98yBk/jxKpGVeyQbff+s= -github.com/matrix-org/gomatrixserverlib v0.0.0-20230524095531-95ba6c68efb6 h1:FQpdh/KGCCQJytz4GAdG6pbx3DJ1HNzdKFc/BCZ0hP0= -github.com/matrix-org/gomatrixserverlib v0.0.0-20230524095531-95ba6c68efb6/go.mod h1:H9V9N3Uqn1bBJqYJNGK1noqtgJTaCEhtTdcH/mp50uU= +github.com/matrix-org/gomatrixserverlib v0.0.0-20230531143710-c681a0658246 h1:1sYXx7p9BIf0R7OIV/TZg3SCvNehEQPCKNqwV1ONfwU= +github.com/matrix-org/gomatrixserverlib v0.0.0-20230531143710-c681a0658246/go.mod h1:H9V9N3Uqn1bBJqYJNGK1noqtgJTaCEhtTdcH/mp50uU= github.com/matrix-org/pinecone v0.11.1-0.20230210171230-8c3b24f2649a h1:awrPDf9LEFySxTLKYBMCiObelNx/cBuv/wzllvCCH3A= github.com/matrix-org/pinecone v0.11.1-0.20230210171230-8c3b24f2649a/go.mod h1:HchJX9oKMXaT2xYFs0Ha/6Zs06mxLU8k6F1ODnrGkeQ= github.com/matrix-org/util v0.0.0-20221111132719-399730281e66 h1:6z4KxomXSIGWqhHcfzExgkH3Z3UkIXry4ibJS4Aqz2Y= diff --git a/internal/eventutil/events.go b/internal/eventutil/events.go index ca052c31..0f73db2d 100644 --- a/internal/eventutil/events.go +++ b/internal/eventutil/events.go @@ -22,7 +22,6 @@ import ( "github.com/matrix-org/dendrite/roomserver/api" "github.com/matrix-org/dendrite/roomserver/types" - "github.com/matrix-org/dendrite/setup/config" "github.com/matrix-org/gomatrixserverlib/fclient" "github.com/matrix-org/gomatrixserverlib/spec" @@ -51,7 +50,7 @@ func (e ErrRoomNoExists) Unwrap() error { // Returns an error if something else went wrong func QueryAndBuildEvent( ctx context.Context, - proto *gomatrixserverlib.ProtoEvent, cfg *config.Global, + proto *gomatrixserverlib.ProtoEvent, identity *fclient.SigningIdentity, evTime time.Time, rsAPI api.QueryLatestEventsAndStateAPI, queryRes *api.QueryLatestEventsAndStateResponse, ) (*types.HeaderedEvent, error) { @@ -64,14 +63,14 @@ func QueryAndBuildEvent( // This can pass through a ErrRoomNoExists to the caller return nil, err } - return BuildEvent(ctx, proto, cfg, identity, evTime, eventsNeeded, queryRes) + return BuildEvent(ctx, proto, identity, evTime, eventsNeeded, queryRes) } // BuildEvent builds a Matrix event from the builder and QueryLatestEventsAndStateResponse // provided. func BuildEvent( ctx context.Context, - proto *gomatrixserverlib.ProtoEvent, cfg *config.Global, + proto *gomatrixserverlib.ProtoEvent, identity *fclient.SigningIdentity, evTime time.Time, eventsNeeded *gomatrixserverlib.StateNeeded, queryRes *api.QueryLatestEventsAndStateResponse, ) (*types.HeaderedEvent, error) { diff --git a/roomserver/api/api.go b/roomserver/api/api.go index 213e16e5..571aa40b 100644 --- a/roomserver/api/api.go +++ b/roomserver/api/api.go @@ -5,6 +5,7 @@ import ( "github.com/matrix-org/gomatrixserverlib" "github.com/matrix-org/gomatrixserverlib/spec" + "github.com/matrix-org/util" asAPI "github.com/matrix-org/dendrite/appservice/api" fsAPI "github.com/matrix-org/dendrite/federationapi/api" @@ -169,6 +170,7 @@ type ClientRoomserverAPI interface { GetRoomIDForAlias(ctx context.Context, req *GetRoomIDForAliasRequest, res *GetRoomIDForAliasResponse) error GetAliasesForRoomID(ctx context.Context, req *GetAliasesForRoomIDRequest, res *GetAliasesForRoomIDResponse) error + PerformCreateRoom(ctx context.Context, userID spec.UserID, roomID spec.RoomID, createRequest *PerformCreateRoomRequest) (string, *util.JSONResponse) // PerformRoomUpgrade upgrades a room to a newer version PerformRoomUpgrade(ctx context.Context, roomID, userID string, roomVersion gomatrixserverlib.RoomVersion) (newRoomID string, err error) PerformAdminEvacuateRoom(ctx context.Context, roomID string) (affected []string, err error) diff --git a/roomserver/api/perform.go b/roomserver/api/perform.go index c6e5f5a1..8d9742c6 100644 --- a/roomserver/api/perform.go +++ b/roomserver/api/perform.go @@ -1,6 +1,10 @@ package api import ( + "crypto/ed25519" + "encoding/json" + "time" + "github.com/matrix-org/dendrite/roomserver/types" "github.com/matrix-org/gomatrixserverlib" "github.com/matrix-org/gomatrixserverlib/fclient" @@ -8,6 +12,26 @@ import ( "github.com/matrix-org/util" ) +type PerformCreateRoomRequest struct { + InvitedUsers []string + RoomName string + Visibility string + Topic string + StatePreset string + CreationContent json.RawMessage + InitialState []gomatrixserverlib.FledglingEvent + RoomAliasName string + RoomVersion gomatrixserverlib.RoomVersion + PowerLevelContentOverride json.RawMessage + IsDirect bool + + UserDisplayName string + UserAvatarURL string + KeyID gomatrixserverlib.KeyID + PrivateKey ed25519.PrivateKey + EventTime time.Time +} + type PerformJoinRequest struct { RoomIDOrAlias string `json:"room_id_or_alias"` UserID string `json:"user_id"` diff --git a/roomserver/internal/alias.go b/roomserver/internal/alias.go index 4d2de9a5..52b90cf4 100644 --- a/roomserver/internal/alias.go +++ b/roomserver/internal/alias.go @@ -208,7 +208,7 @@ func (r *RoomserverInternalAPI) RemoveRoomAlias( return err } - newEvent, err := eventutil.BuildEvent(ctx, proto, &r.Cfg.Global, identity, time.Now(), &eventsNeeded, stateRes) + newEvent, err := eventutil.BuildEvent(ctx, proto, identity, time.Now(), &eventsNeeded, stateRes) if err != nil { return err } diff --git a/roomserver/internal/api.go b/roomserver/internal/api.go index 81904c8b..f61f8918 100644 --- a/roomserver/internal/api.go +++ b/roomserver/internal/api.go @@ -6,6 +6,7 @@ import ( "github.com/getsentry/sentry-go" "github.com/matrix-org/gomatrixserverlib" "github.com/matrix-org/gomatrixserverlib/spec" + "github.com/matrix-org/util" "github.com/nats-io/nats.go" "github.com/sirupsen/logrus" @@ -40,6 +41,7 @@ type RoomserverInternalAPI struct { *perform.Forgetter *perform.Upgrader *perform.Admin + *perform.Creator ProcessContext *process.ProcessContext DB storage.Database Cfg *config.Dendrite @@ -191,6 +193,11 @@ func (r *RoomserverInternalAPI) SetFederationAPI(fsAPI fsAPI.RoomserverFederatio Queryer: r.Queryer, Leaver: r.Leaver, } + r.Creator = &perform.Creator{ + DB: r.DB, + Cfg: &r.Cfg.RoomServer, + RSAPI: r, + } if err := r.Inputer.Start(); err != nil { logrus.WithError(err).Panic("failed to start roomserver input API") @@ -206,6 +213,12 @@ func (r *RoomserverInternalAPI) SetAppserviceAPI(asAPI asAPI.AppServiceInternalA r.asAPI = asAPI } +func (r *RoomserverInternalAPI) PerformCreateRoom( + ctx context.Context, userID spec.UserID, roomID spec.RoomID, createRequest *api.PerformCreateRoomRequest, +) (string, *util.JSONResponse) { + return r.Creator.PerformCreateRoom(ctx, userID, roomID, createRequest) +} + func (r *RoomserverInternalAPI) PerformInvite( ctx context.Context, req *api.PerformInviteRequest, diff --git a/roomserver/internal/input/input_events.go b/roomserver/internal/input/input_events.go index 02a1a280..386083f6 100644 --- a/roomserver/internal/input/input_events.go +++ b/roomserver/internal/input/input_events.go @@ -872,7 +872,7 @@ func (r *Inputer) kickGuests(ctx context.Context, event gomatrixserverlib.PDU, r return err } - event, err := eventutil.BuildEvent(ctx, fledglingEvent, r.Cfg.Matrix, r.SigningIdentity, time.Now(), &eventsNeeded, latestRes) + event, err := eventutil.BuildEvent(ctx, fledglingEvent, r.SigningIdentity, time.Now(), &eventsNeeded, latestRes) if err != nil { return err } diff --git a/roomserver/internal/perform/perform_admin.go b/roomserver/internal/perform/perform_admin.go index 8d21b782..575525e2 100644 --- a/roomserver/internal/perform/perform_admin.go +++ b/roomserver/internal/perform/perform_admin.go @@ -119,7 +119,7 @@ func (r *Admin) PerformAdminEvacuateRoom( continue } - event, err = eventutil.BuildEvent(ctx, fledglingEvent, r.Cfg.Matrix, identity, time.Now(), &eventsNeeded, latestRes) + event, err = eventutil.BuildEvent(ctx, fledglingEvent, identity, time.Now(), &eventsNeeded, latestRes) if err != nil { return nil, err } @@ -312,7 +312,7 @@ func (r *Admin) PerformAdminDownloadState( return err } - ev, err := eventutil.BuildEvent(ctx, proto, r.Cfg.Matrix, identity, time.Now(), &eventsNeeded, queryRes) + ev, err := eventutil.BuildEvent(ctx, proto, identity, time.Now(), &eventsNeeded, queryRes) if err != nil { return fmt.Errorf("eventutil.BuildEvent: %w", err) } diff --git a/roomserver/internal/perform/perform_create_room.go b/roomserver/internal/perform/perform_create_room.go new file mode 100644 index 00000000..0f917008 --- /dev/null +++ b/roomserver/internal/perform/perform_create_room.go @@ -0,0 +1,498 @@ +// Copyright 2023 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 perform + +import ( + "context" + "encoding/json" + "fmt" + "net/http" + + "github.com/getsentry/sentry-go" + "github.com/matrix-org/dendrite/internal/eventutil" + "github.com/matrix-org/dendrite/roomserver/api" + "github.com/matrix-org/dendrite/roomserver/storage" + "github.com/matrix-org/dendrite/roomserver/types" + "github.com/matrix-org/dendrite/setup/config" + "github.com/matrix-org/gomatrixserverlib" + "github.com/matrix-org/gomatrixserverlib/fclient" + "github.com/matrix-org/gomatrixserverlib/spec" + "github.com/matrix-org/util" +) + +const ( + historyVisibilityShared = "shared" +) + +type Creator struct { + DB storage.Database + Cfg *config.RoomServer + RSAPI api.RoomserverInternalAPI +} + +// PerformCreateRoom handles all the steps necessary to create a new room. +// nolint: gocyclo +func (c *Creator) PerformCreateRoom(ctx context.Context, userID spec.UserID, roomID spec.RoomID, createRequest *api.PerformCreateRoomRequest) (string, *util.JSONResponse) { + verImpl, err := gomatrixserverlib.GetRoomVersion(createRequest.RoomVersion) + if err != nil { + return "", &util.JSONResponse{ + Code: http.StatusBadRequest, + JSON: spec.BadJSON("unknown room version"), + } + } + + createContent := map[string]interface{}{} + if len(createRequest.CreationContent) > 0 { + if err = json.Unmarshal(createRequest.CreationContent, &createContent); err != nil { + util.GetLogger(ctx).WithError(err).Error("json.Unmarshal for creation_content failed") + return "", &util.JSONResponse{ + Code: http.StatusBadRequest, + JSON: spec.BadJSON("invalid create content"), + } + } + } + createContent["creator"] = userID.String() + createContent["room_version"] = createRequest.RoomVersion + powerLevelContent := eventutil.InitialPowerLevelsContent(userID.String()) + joinRuleContent := gomatrixserverlib.JoinRuleContent{ + JoinRule: spec.Invite, + } + historyVisibilityContent := gomatrixserverlib.HistoryVisibilityContent{ + HistoryVisibility: historyVisibilityShared, + } + + if createRequest.PowerLevelContentOverride != nil { + // Merge powerLevelContentOverride fields by unmarshalling it atop the defaults + err = json.Unmarshal(createRequest.PowerLevelContentOverride, &powerLevelContent) + if err != nil { + util.GetLogger(ctx).WithError(err).Error("json.Unmarshal for power_level_content_override failed") + return "", &util.JSONResponse{ + Code: http.StatusBadRequest, + JSON: spec.BadJSON("malformed power_level_content_override"), + } + } + } + + var guestsCanJoin bool + switch createRequest.StatePreset { + case spec.PresetPrivateChat: + joinRuleContent.JoinRule = spec.Invite + historyVisibilityContent.HistoryVisibility = historyVisibilityShared + guestsCanJoin = true + case spec.PresetTrustedPrivateChat: + joinRuleContent.JoinRule = spec.Invite + historyVisibilityContent.HistoryVisibility = historyVisibilityShared + for _, invitee := range createRequest.InvitedUsers { + powerLevelContent.Users[invitee] = 100 + } + guestsCanJoin = true + case spec.PresetPublicChat: + joinRuleContent.JoinRule = spec.Public + historyVisibilityContent.HistoryVisibility = historyVisibilityShared + } + + createEvent := gomatrixserverlib.FledglingEvent{ + Type: spec.MRoomCreate, + Content: createContent, + } + powerLevelEvent := gomatrixserverlib.FledglingEvent{ + Type: spec.MRoomPowerLevels, + Content: powerLevelContent, + } + joinRuleEvent := gomatrixserverlib.FledglingEvent{ + Type: spec.MRoomJoinRules, + Content: joinRuleContent, + } + historyVisibilityEvent := gomatrixserverlib.FledglingEvent{ + Type: spec.MRoomHistoryVisibility, + Content: historyVisibilityContent, + } + membershipEvent := gomatrixserverlib.FledglingEvent{ + Type: spec.MRoomMember, + StateKey: userID.String(), + Content: gomatrixserverlib.MemberContent{ + Membership: spec.Join, + DisplayName: createRequest.UserDisplayName, + AvatarURL: createRequest.UserAvatarURL, + }, + } + + var nameEvent *gomatrixserverlib.FledglingEvent + var topicEvent *gomatrixserverlib.FledglingEvent + var guestAccessEvent *gomatrixserverlib.FledglingEvent + var aliasEvent *gomatrixserverlib.FledglingEvent + + if createRequest.RoomName != "" { + nameEvent = &gomatrixserverlib.FledglingEvent{ + Type: spec.MRoomName, + Content: eventutil.NameContent{ + Name: createRequest.RoomName, + }, + } + } + + if createRequest.Topic != "" { + topicEvent = &gomatrixserverlib.FledglingEvent{ + Type: spec.MRoomTopic, + Content: eventutil.TopicContent{ + Topic: createRequest.Topic, + }, + } + } + + if guestsCanJoin { + guestAccessEvent = &gomatrixserverlib.FledglingEvent{ + Type: spec.MRoomGuestAccess, + Content: eventutil.GuestAccessContent{ + GuestAccess: "can_join", + }, + } + } + + var roomAlias string + if createRequest.RoomAliasName != "" { + roomAlias = fmt.Sprintf("#%s:%s", createRequest.RoomAliasName, userID.Domain()) + // check it's free + // TODO: This races but is better than nothing + hasAliasReq := api.GetRoomIDForAliasRequest{ + Alias: roomAlias, + IncludeAppservices: false, + } + + var aliasResp api.GetRoomIDForAliasResponse + err = c.RSAPI.GetRoomIDForAlias(ctx, &hasAliasReq, &aliasResp) + if err != nil { + util.GetLogger(ctx).WithError(err).Error("aliasAPI.GetRoomIDForAlias failed") + return "", &util.JSONResponse{ + Code: http.StatusInternalServerError, + JSON: spec.InternalServerError{}, + } + } + if aliasResp.RoomID != "" { + return "", &util.JSONResponse{ + Code: http.StatusBadRequest, + JSON: spec.RoomInUse("Room ID already exists."), + } + } + + aliasEvent = &gomatrixserverlib.FledglingEvent{ + Type: spec.MRoomCanonicalAlias, + Content: eventutil.CanonicalAlias{ + Alias: roomAlias, + }, + } + } + + var initialStateEvents []gomatrixserverlib.FledglingEvent + for i := range createRequest.InitialState { + if createRequest.InitialState[i].StateKey != "" { + initialStateEvents = append(initialStateEvents, createRequest.InitialState[i]) + continue + } + + switch createRequest.InitialState[i].Type { + case spec.MRoomCreate: + continue + + case spec.MRoomPowerLevels: + powerLevelEvent = createRequest.InitialState[i] + + case spec.MRoomJoinRules: + joinRuleEvent = createRequest.InitialState[i] + + case spec.MRoomHistoryVisibility: + historyVisibilityEvent = createRequest.InitialState[i] + + case spec.MRoomGuestAccess: + guestAccessEvent = &createRequest.InitialState[i] + + case spec.MRoomName: + nameEvent = &createRequest.InitialState[i] + + case spec.MRoomTopic: + topicEvent = &createRequest.InitialState[i] + + default: + initialStateEvents = append(initialStateEvents, createRequest.InitialState[i]) + } + } + + // send events into the room in order of: + // 1- m.room.create + // 2- room creator join member + // 3- m.room.power_levels + // 4- m.room.join_rules + // 5- m.room.history_visibility + // 6- m.room.canonical_alias (opt) + // 7- m.room.guest_access (opt) + // 8- other initial state items + // 9- m.room.name (opt) + // 10- m.room.topic (opt) + // 11- invite events (opt) - with is_direct flag if applicable TODO + // 12- 3pid invite events (opt) TODO + // This differs from Synapse slightly. Synapse would vary the ordering of 3-7 + // depending on if those events were in "initial_state" or not. This made it + // harder to reason about, hence sticking to a strict static ordering. + // TODO: Synapse has txn/token ID on each event. Do we need to do this here? + eventsToMake := []gomatrixserverlib.FledglingEvent{ + createEvent, membershipEvent, powerLevelEvent, joinRuleEvent, historyVisibilityEvent, + } + if guestAccessEvent != nil { + eventsToMake = append(eventsToMake, *guestAccessEvent) + } + eventsToMake = append(eventsToMake, initialStateEvents...) + if nameEvent != nil { + eventsToMake = append(eventsToMake, *nameEvent) + } + if topicEvent != nil { + eventsToMake = append(eventsToMake, *topicEvent) + } + if aliasEvent != nil { + // TODO: bit of a chicken and egg problem here as the alias doesn't exist and cannot until we have made the room. + // This means we might fail creating the alias but say the canonical alias is something that doesn't exist. + eventsToMake = append(eventsToMake, *aliasEvent) + } + + // TODO: invite events + // TODO: 3pid invite events + + var builtEvents []*types.HeaderedEvent + authEvents := gomatrixserverlib.NewAuthEvents(nil) + for i, e := range eventsToMake { + depth := i + 1 // depth starts at 1 + + builder := verImpl.NewEventBuilderFromProtoEvent(&gomatrixserverlib.ProtoEvent{ + Sender: userID.String(), + RoomID: roomID.String(), + Type: e.Type, + StateKey: &e.StateKey, + Depth: int64(depth), + }) + err = builder.SetContent(e.Content) + if err != nil { + util.GetLogger(ctx).WithError(err).Error("builder.SetContent failed") + return "", &util.JSONResponse{ + Code: http.StatusInternalServerError, + JSON: spec.InternalServerError{}, + } + } + if i > 0 { + builder.PrevEvents = []string{builtEvents[i-1].EventID()} + } + var ev gomatrixserverlib.PDU + if err = builder.AddAuthEvents(&authEvents); err != nil { + util.GetLogger(ctx).WithError(err).Error("AddAuthEvents failed") + return "", &util.JSONResponse{ + Code: http.StatusInternalServerError, + JSON: spec.InternalServerError{}, + } + } + ev, err = builder.Build(createRequest.EventTime, userID.Domain(), createRequest.KeyID, createRequest.PrivateKey) + if err != nil { + util.GetLogger(ctx).WithError(err).Error("buildEvent failed") + return "", &util.JSONResponse{ + Code: http.StatusInternalServerError, + JSON: spec.InternalServerError{}, + } + } + + if err = gomatrixserverlib.Allowed(ev, &authEvents); err != nil { + util.GetLogger(ctx).WithError(err).Error("gomatrixserverlib.Allowed failed") + return "", &util.JSONResponse{ + Code: http.StatusInternalServerError, + JSON: spec.InternalServerError{}, + } + } + + // Add the event to the list of auth events + builtEvents = append(builtEvents, &types.HeaderedEvent{PDU: ev}) + err = authEvents.AddEvent(ev) + if err != nil { + util.GetLogger(ctx).WithError(err).Error("authEvents.AddEvent failed") + return "", &util.JSONResponse{ + Code: http.StatusInternalServerError, + JSON: spec.InternalServerError{}, + } + } + } + + inputs := make([]api.InputRoomEvent, 0, len(builtEvents)) + for _, event := range builtEvents { + inputs = append(inputs, api.InputRoomEvent{ + Kind: api.KindNew, + Event: event, + Origin: userID.Domain(), + SendAsServer: api.DoNotSendToOtherServers, + }) + } + if err = api.SendInputRoomEvents(ctx, c.RSAPI, userID.Domain(), inputs, false); err != nil { + util.GetLogger(ctx).WithError(err).Error("roomserverAPI.SendInputRoomEvents failed") + return "", &util.JSONResponse{ + Code: http.StatusInternalServerError, + JSON: spec.InternalServerError{}, + } + } + + // TODO(#269): Reserve room alias while we create the room. This stops us + // from creating the room but still failing due to the alias having already + // been taken. + if roomAlias != "" { + aliasReq := api.SetRoomAliasRequest{ + Alias: roomAlias, + RoomID: roomID.String(), + UserID: userID.String(), + } + + var aliasResp api.SetRoomAliasResponse + err = c.RSAPI.SetRoomAlias(ctx, &aliasReq, &aliasResp) + if err != nil { + util.GetLogger(ctx).WithError(err).Error("aliasAPI.SetRoomAlias failed") + return "", &util.JSONResponse{ + Code: http.StatusInternalServerError, + JSON: spec.InternalServerError{}, + } + } + + if aliasResp.AliasExists { + return "", &util.JSONResponse{ + Code: http.StatusBadRequest, + JSON: spec.RoomInUse("Room alias already exists."), + } + } + } + + // If this is a direct message then we should invite the participants. + if len(createRequest.InvitedUsers) > 0 { + // Build some stripped state for the invite. + var globalStrippedState []fclient.InviteV2StrippedState + for _, event := range builtEvents { + // Chosen events from the spec: + // https://spec.matrix.org/v1.3/client-server-api/#stripped-state + switch event.Type() { + case spec.MRoomCreate: + fallthrough + case spec.MRoomName: + fallthrough + case spec.MRoomAvatar: + fallthrough + case spec.MRoomTopic: + fallthrough + case spec.MRoomCanonicalAlias: + fallthrough + case spec.MRoomEncryption: + fallthrough + case spec.MRoomMember: + fallthrough + case spec.MRoomJoinRules: + ev := event.PDU + globalStrippedState = append( + globalStrippedState, + fclient.NewInviteV2StrippedState(ev), + ) + } + } + + // Process the invites. + var inviteEvent *types.HeaderedEvent + for _, invitee := range createRequest.InvitedUsers { + proto := gomatrixserverlib.ProtoEvent{ + Sender: userID.String(), + RoomID: roomID.String(), + Type: "m.room.member", + StateKey: &invitee, + } + + content := gomatrixserverlib.MemberContent{ + Membership: spec.Invite, + DisplayName: createRequest.UserDisplayName, + AvatarURL: createRequest.UserAvatarURL, + Reason: "", + IsDirect: createRequest.IsDirect, + } + + if err = proto.SetContent(content); err != nil { + return "", &util.JSONResponse{ + Code: http.StatusInternalServerError, + JSON: spec.InternalServerError{}, + } + } + + // Build the invite event. + identity := &fclient.SigningIdentity{ + ServerName: userID.Domain(), + KeyID: createRequest.KeyID, + PrivateKey: createRequest.PrivateKey, + } + inviteEvent, err = eventutil.QueryAndBuildEvent(ctx, &proto, identity, createRequest.EventTime, c.RSAPI, nil) + + if err != nil { + util.GetLogger(ctx).WithError(err).Error("buildMembershipEvent failed") + continue + } + inviteStrippedState := append( + globalStrippedState, + fclient.NewInviteV2StrippedState(inviteEvent.PDU), + ) + // Send the invite event to the roomserver. + event := inviteEvent + err = c.RSAPI.PerformInvite(ctx, &api.PerformInviteRequest{ + Event: event, + InviteRoomState: inviteStrippedState, + RoomVersion: event.Version(), + SendAsServer: string(userID.Domain()), + }) + switch e := err.(type) { + case api.ErrInvalidID: + return "", &util.JSONResponse{ + Code: http.StatusBadRequest, + JSON: spec.Unknown(e.Error()), + } + case api.ErrNotAllowed: + return "", &util.JSONResponse{ + Code: http.StatusForbidden, + JSON: spec.Forbidden(e.Error()), + } + case nil: + default: + util.GetLogger(ctx).WithError(err).Error("PerformInvite failed") + sentry.CaptureException(err) + return "", &util.JSONResponse{ + Code: http.StatusInternalServerError, + JSON: spec.InternalServerError{}, + } + } + } + } + + if createRequest.Visibility == spec.Public { + // expose this room in the published room list + if err = c.RSAPI.PerformPublish(ctx, &api.PerformPublishRequest{ + RoomID: roomID.String(), + Visibility: spec.Public, + }); err != nil { + util.GetLogger(ctx).WithError(err).Error("failed to publish room") + return "", &util.JSONResponse{ + Code: http.StatusInternalServerError, + JSON: spec.InternalServerError{}, + } + } + } + + // TODO: visibility/presets/raw initial state + // TODO: Create room alias association + // Make sure this doesn't fall into an application service's namespace though! + + return roomAlias, nil +} diff --git a/roomserver/internal/perform/perform_join.go b/roomserver/internal/perform/perform_join.go index 5f4ad186..34bea5b6 100644 --- a/roomserver/internal/perform/perform_join.go +++ b/roomserver/internal/perform/perform_join.go @@ -284,7 +284,7 @@ func (r *Joiner) performJoinRoomByID( if err != nil { return "", "", fmt.Errorf("error joining local room: %q", err) } - event, err := eventutil.QueryAndBuildEvent(ctx, &proto, r.Cfg.Matrix, identity, time.Now(), r.RSAPI, &buildRes) + event, err := eventutil.QueryAndBuildEvent(ctx, &proto, identity, time.Now(), r.RSAPI, &buildRes) switch err.(type) { case nil: diff --git a/roomserver/internal/perform/perform_leave.go b/roomserver/internal/perform/perform_leave.go index e71b3e90..90102aee 100644 --- a/roomserver/internal/perform/perform_leave.go +++ b/roomserver/internal/perform/perform_leave.go @@ -183,7 +183,7 @@ func (r *Leaver) performLeaveRoomByID( if err != nil { return nil, fmt.Errorf("SigningIdentityFor: %w", err) } - event, err := eventutil.QueryAndBuildEvent(ctx, &proto, r.Cfg.Matrix, identity, time.Now(), r.RSAPI, &buildRes) + event, err := eventutil.QueryAndBuildEvent(ctx, &proto, identity, time.Now(), r.RSAPI, &buildRes) if err != nil { return nil, fmt.Errorf("eventutil.QueryAndBuildEvent: %w", err) } diff --git a/roomserver/internal/perform/perform_upgrade.go b/roomserver/internal/perform/perform_upgrade.go index 60085cb6..ff4a6a1d 100644 --- a/roomserver/internal/perform/perform_upgrade.go +++ b/roomserver/internal/perform/perform_upgrade.go @@ -35,13 +35,6 @@ type Upgrader struct { URSAPI api.RoomserverInternalAPI } -// fledglingEvent is a helper representation of an event used when creating many events in succession. -type fledglingEvent struct { - Type string `json:"type"` - StateKey string `json:"state_key"` - Content interface{} `json:"content"` -} - // PerformRoomUpgrade upgrades a room from one version to another func (r *Upgrader) PerformRoomUpgrade( ctx context.Context, @@ -154,7 +147,7 @@ func (r *Upgrader) restrictOldRoomPowerLevels(ctx context.Context, evTime time.T restrictedPowerLevelContent.EventsDefault = restrictedDefaultPowerLevel restrictedPowerLevelContent.Invite = restrictedDefaultPowerLevel - restrictedPowerLevelsHeadered, resErr := r.makeHeaderedEvent(ctx, evTime, userID, roomID, fledglingEvent{ + restrictedPowerLevelsHeadered, resErr := r.makeHeaderedEvent(ctx, evTime, userID, roomID, gomatrixserverlib.FledglingEvent{ Type: spec.MRoomPowerLevels, StateKey: "", Content: restrictedPowerLevelContent, @@ -216,7 +209,7 @@ func (r *Upgrader) clearOldCanonicalAliasEvent(ctx context.Context, oldRoom *api } } - emptyCanonicalAliasEvent, resErr := r.makeHeaderedEvent(ctx, evTime, userID, roomID, fledglingEvent{ + emptyCanonicalAliasEvent, resErr := r.makeHeaderedEvent(ctx, evTime, userID, roomID, gomatrixserverlib.FledglingEvent{ Type: spec.MRoomCanonicalAlias, Content: map[string]interface{}{}, }) @@ -298,7 +291,7 @@ func (r *Upgrader) userIsAuthorized(ctx context.Context, userID, roomID string, } // nolint:gocyclo -func (r *Upgrader) generateInitialEvents(ctx context.Context, oldRoom *api.QueryLatestEventsAndStateResponse, userID, roomID string, newVersion gomatrixserverlib.RoomVersion, tombstoneEvent *types.HeaderedEvent) ([]fledglingEvent, error) { +func (r *Upgrader) generateInitialEvents(ctx context.Context, oldRoom *api.QueryLatestEventsAndStateResponse, userID, roomID string, newVersion gomatrixserverlib.RoomVersion, tombstoneEvent *types.HeaderedEvent) ([]gomatrixserverlib.FledglingEvent, error) { state := make(map[gomatrixserverlib.StateKeyTuple]*types.HeaderedEvent, len(oldRoom.StateEvents)) for _, event := range oldRoom.StateEvents { if event.StateKey() == nil { @@ -361,7 +354,7 @@ func (r *Upgrader) generateInitialEvents(ctx context.Context, oldRoom *api.Query EventID: tombstoneEvent.EventID(), RoomID: roomID, } - newCreateEvent := fledglingEvent{ + newCreateEvent := gomatrixserverlib.FledglingEvent{ Type: spec.MRoomCreate, StateKey: "", Content: newCreateContent, @@ -374,7 +367,7 @@ func (r *Upgrader) generateInitialEvents(ctx context.Context, oldRoom *api.Query newMembershipContent := map[string]interface{}{} _ = json.Unmarshal(oldMembershipEvent.Content(), &newMembershipContent) newMembershipContent["membership"] = spec.Join - newMembershipEvent := fledglingEvent{ + newMembershipEvent := gomatrixserverlib.FledglingEvent{ Type: spec.MRoomMember, StateKey: userID, Content: newMembershipContent, @@ -400,13 +393,13 @@ func (r *Upgrader) generateInitialEvents(ctx context.Context, oldRoom *api.Query "join_rule": spec.Invite, // sane default } _ = json.Unmarshal(oldJoinRulesEvent.Content(), &newJoinRulesContent) - newJoinRulesEvent := fledglingEvent{ + newJoinRulesEvent := gomatrixserverlib.FledglingEvent{ Type: spec.MRoomJoinRules, StateKey: "", Content: newJoinRulesContent, } - eventsToMake := make([]fledglingEvent, 0, len(state)) + eventsToMake := make([]gomatrixserverlib.FledglingEvent, 0, len(state)) eventsToMake = append( eventsToMake, newCreateEvent, newMembershipEvent, tempPowerLevelsEvent, newJoinRulesEvent, @@ -415,7 +408,7 @@ func (r *Upgrader) generateInitialEvents(ctx context.Context, oldRoom *api.Query // For some reason Sytest expects there to be a guest access event. // Create one if it doesn't exist. if _, ok := state[gomatrixserverlib.StateKeyTuple{EventType: spec.MRoomGuestAccess, StateKey: ""}]; !ok { - eventsToMake = append(eventsToMake, fledglingEvent{ + eventsToMake = append(eventsToMake, gomatrixserverlib.FledglingEvent{ Type: spec.MRoomGuestAccess, Content: map[string]string{ "guest_access": "forbidden", @@ -430,7 +423,7 @@ func (r *Upgrader) generateInitialEvents(ctx context.Context, oldRoom *api.Query // are already in `eventsToMake`. continue } - newEvent := fledglingEvent{ + newEvent := gomatrixserverlib.FledglingEvent{ Type: tuple.EventType, StateKey: tuple.StateKey, } @@ -444,7 +437,7 @@ func (r *Upgrader) generateInitialEvents(ctx context.Context, oldRoom *api.Query // If we sent a temporary power level event into the room before, // override that now by restoring the original power levels. if powerLevelsOverridden { - eventsToMake = append(eventsToMake, fledglingEvent{ + eventsToMake = append(eventsToMake, gomatrixserverlib.FledglingEvent{ Type: spec.MRoomPowerLevels, Content: powerLevelContent, }) @@ -452,7 +445,7 @@ func (r *Upgrader) generateInitialEvents(ctx context.Context, oldRoom *api.Query return eventsToMake, nil } -func (r *Upgrader) sendInitialEvents(ctx context.Context, evTime time.Time, userID string, userDomain spec.ServerName, newRoomID string, newVersion gomatrixserverlib.RoomVersion, eventsToMake []fledglingEvent) error { +func (r *Upgrader) sendInitialEvents(ctx context.Context, evTime time.Time, userID string, userDomain spec.ServerName, newRoomID string, newVersion gomatrixserverlib.RoomVersion, eventsToMake []gomatrixserverlib.FledglingEvent) error { var err error var builtEvents []*types.HeaderedEvent authEvents := gomatrixserverlib.NewAuthEvents(nil) @@ -527,14 +520,14 @@ func (r *Upgrader) makeTombstoneEvent( "body": "This room has been replaced", "replacement_room": newRoomID, } - event := fledglingEvent{ + event := gomatrixserverlib.FledglingEvent{ Type: "m.room.tombstone", Content: content, } return r.makeHeaderedEvent(ctx, evTime, userID, roomID, event) } -func (r *Upgrader) makeHeaderedEvent(ctx context.Context, evTime time.Time, userID, roomID string, event fledglingEvent) (*types.HeaderedEvent, error) { +func (r *Upgrader) makeHeaderedEvent(ctx context.Context, evTime time.Time, userID, roomID string, event gomatrixserverlib.FledglingEvent) (*types.HeaderedEvent, error) { proto := gomatrixserverlib.ProtoEvent{ Sender: userID, RoomID: roomID, @@ -555,7 +548,7 @@ func (r *Upgrader) makeHeaderedEvent(ctx context.Context, evTime time.Time, user return nil, fmt.Errorf("failed to get signing identity for %q: %w", senderDomain, err) } var queryRes api.QueryLatestEventsAndStateResponse - headeredEvent, err := eventutil.QueryAndBuildEvent(ctx, &proto, r.Cfg.Matrix, identity, evTime, r.URSAPI, &queryRes) + headeredEvent, err := eventutil.QueryAndBuildEvent(ctx, &proto, identity, evTime, r.URSAPI, &queryRes) switch e := err.(type) { case nil: case eventutil.ErrRoomNoExists: @@ -581,7 +574,7 @@ func (r *Upgrader) makeHeaderedEvent(ctx context.Context, evTime time.Time, user return headeredEvent, nil } -func createTemporaryPowerLevels(powerLevelContent *gomatrixserverlib.PowerLevelContent, userID string) (fledglingEvent, bool) { +func createTemporaryPowerLevels(powerLevelContent *gomatrixserverlib.PowerLevelContent, userID string) (gomatrixserverlib.FledglingEvent, bool) { // Work out what power level we need in order to be able to send events // of all types into the room. neededPowerLevel := powerLevelContent.StateDefault @@ -612,7 +605,7 @@ func createTemporaryPowerLevels(powerLevelContent *gomatrixserverlib.PowerLevelC } // Then return the temporary power levels event. - return fledglingEvent{ + return gomatrixserverlib.FledglingEvent{ Type: spec.MRoomPowerLevels, Content: tempPowerLevelContent, }, powerLevelsOverridden