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Move ApplyHistoryVisibilityFilter to internal

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This commit is contained in:
Till Faelligen 2022-06-03 06:51:03 +02:00
parent fae758b2bc
commit bb9e775a1b
2 changed files with 24 additions and 20 deletions
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25
syncapi/internal/history_visibility.go
View file

@ -84,8 +84,29 @@ func (v Visibility) Allowed(eventID string) (allowed bool) {
}
}
// GetStateForEvents returns a Visibility map containing the state before and at the given events.
func GetStateForEvents(ctx context.Context, db storage.Database, events []gomatrixserverlib.ClientEvent, userID string) (Visibility, error) {
// ApplyHistoryVisibilityFilter applies the room history visibility filter on gomatrixserverlib.ClientEvents.
// Returns the filtered events and an error, if any.
func ApplyHistoryVisibilityFilter(
ctx context.Context,
syncDB storage.Database,
clientEvents []gomatrixserverlib.ClientEvent,
userID string,
) ([]gomatrixserverlib.ClientEvent, error) {
clientEventsFiltered := []gomatrixserverlib.ClientEvent{}
stateForEvents, err := getStateForEvents(ctx, syncDB, clientEvents, userID)
if err != nil {
return clientEventsFiltered, err
}
for _, ev := range clientEvents {
if stateForEvents.Allowed(ev.EventID) {
clientEventsFiltered = append(clientEventsFiltered, ev)
}
}
return clientEventsFiltered, nil
}
// getStateForEvents returns a Visibility map containing the state before and at the given events.
func getStateForEvents(ctx context.Context, db storage.Database, events []gomatrixserverlib.ClientEvent, userID string) (Visibility, error) {
result := make(map[string]EventVisibility, len(events))
var (
membershipCurrent string

19
syncapi/routing/messages.go
View file

@ -251,23 +251,6 @@ func OnIncomingMessagesRequest(
}
}
func (r *messagesReq) applyHistoryVisibilityFilter(
clientEvents []gomatrixserverlib.ClientEvent,
userID string,
) ([]gomatrixserverlib.ClientEvent, error) {
clientEventsFiltered := []gomatrixserverlib.ClientEvent{}
stateForEvents, err := internal.GetStateForEvents(r.ctx, r.db, clientEvents, userID)
if err != nil {
return clientEventsFiltered, err
}
for _, ev := range clientEvents {
if stateForEvents.Allowed(ev.EventID) {
clientEventsFiltered = append(clientEventsFiltered, ev)
}
}
return clientEventsFiltered, nil
}
func checkIsRoomForgotten(ctx context.Context, roomID, userID string, rsAPI api.SyncRoomserverAPI) (forgotten bool, exists bool, err error) {
req := api.QueryMembershipForUserRequest{
RoomID: roomID,
@ -346,7 +329,7 @@ func (r *messagesReq) retrieveEvents() (
}
// Convert all events into client events and filter them.
clientEvents, err = r.applyHistoryVisibilityFilter(gomatrixserverlib.HeaderedToClientEvents(events, gomatrixserverlib.FormatAll), r.device.UserID)
clientEvents, err = internal.ApplyHistoryVisibilityFilter(r.ctx, r.db, gomatrixserverlib.HeaderedToClientEvents(events, gomatrixserverlib.FormatAll), r.device.UserID)
return clientEvents, start, end, err
}