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Fix #2084 - incorrect /event_auth response (#2085)

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* Fix #2084

* Return early

* Linting
This commit is contained in:
kegsay 2022-01-06 17:13:34 +00:00 • committed by GitHub
parent 161f145176
commit 173b1e8d3e
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3 changed files with 52 additions and 5 deletions
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4
roomserver/api/query.go
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@ -226,6 +226,10 @@ type QueryStateAndAuthChainRequest struct {
PrevEventIDs []string `json:"prev_event_ids"`
// The list of auth events for the event. Used to calculate the auth chain
AuthEventIDs []string `json:"auth_event_ids"`
// If true, the auth chain events for the auth event IDs given will be fetched only. Prev event IDs are ignored.
// If false, state and auth chain events for the prev event IDs and entire current state will be included.
// TODO: not a great API shape. It serves 2 main uses: false=>response for send_join, true=>response for /event_auth
OnlyFetchAuthChain bool `json:"only_fetch_auth_chain"`
// Should state resolution be ran on the result events?
// TODO: check call sites and remove if we always want to do state res
ResolveState bool `json:"resolve_state"`

15
roomserver/internal/query/query.go
View file

@ -457,6 +457,21 @@ func (r *Queryer) QueryStateAndAuthChain(
response.RoomExists = true
response.RoomVersion = info.RoomVersion
// handle this entirely separately to the other case so we don't have to pull out
// the entire current state of the room
// TODO: this probably means it should be a different query operation...
if request.OnlyFetchAuthChain {
var authEvents []*gomatrixserverlib.Event
authEvents, err = GetAuthChain(ctx, r.DB.EventsFromIDs, request.AuthEventIDs)
if err != nil {
return err
}
for _, event := range authEvents {
response.AuthChainEvents = append(response.AuthChainEvents, event.Headered(info.RoomVersion))
}
return nil
}
var stateEvents []*gomatrixserverlib.Event
stateEvents, err = r.loadStateAtEventIDs(ctx, *info, request.PrevEventIDs)
if err != nil {