Return M_NOT_FOUND for rejected events (#2371)

* Return M_NOT_FOUND for rejected events

* Add passing tests
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Till 2022-04-25 19:05:01 +02:00 committed by GitHub
parent e95fc5c5e3
commit e8ab2154aa
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4 changed files with 31 additions and 8 deletions

View file

@ -129,6 +129,13 @@ func getState(
return nil, nil, &resErr return nil, nil, &resErr
} }
if response.IsRejected {
return nil, nil, &util.JSONResponse{
Code: http.StatusNotFound,
JSON: jsonerror.NotFound("Event not found"),
}
}
if !response.RoomExists { if !response.RoomExists {
return nil, nil, &util.JSONResponse{Code: http.StatusNotFound, JSON: nil} return nil, nil, &util.JSONResponse{Code: http.StatusNotFound, JSON: nil}
} }

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@ -230,6 +230,8 @@ type QueryStateAndAuthChainResponse struct {
// The lists will be in an arbitrary order. // The lists will be in an arbitrary order.
StateEvents []*gomatrixserverlib.HeaderedEvent `json:"state_events"` StateEvents []*gomatrixserverlib.HeaderedEvent `json:"state_events"`
AuthChainEvents []*gomatrixserverlib.HeaderedEvent `json:"auth_chain_events"` AuthChainEvents []*gomatrixserverlib.HeaderedEvent `json:"auth_chain_events"`
// True if the queried event was rejected earlier.
IsRejected bool `json:"is_rejected"`
} }
// QueryRoomVersionCapabilitiesRequest asks for the default room version // QueryRoomVersionCapabilitiesRequest asks for the default room version

View file

@ -441,11 +441,11 @@ func (r *Queryer) QueryStateAndAuthChain(
} }
var stateEvents []*gomatrixserverlib.Event var stateEvents []*gomatrixserverlib.Event
stateEvents, err = r.loadStateAtEventIDs(ctx, info, request.PrevEventIDs) stateEvents, rejected, err := r.loadStateAtEventIDs(ctx, info, request.PrevEventIDs)
if err != nil { if err != nil {
return err return err
} }
response.IsRejected = rejected
response.PrevEventsExist = true response.PrevEventsExist = true
// add the auth event IDs for the current state events too // add the auth event IDs for the current state events too
@ -480,15 +480,23 @@ func (r *Queryer) QueryStateAndAuthChain(
return err return err
} }
func (r *Queryer) loadStateAtEventIDs(ctx context.Context, roomInfo *types.RoomInfo, eventIDs []string) ([]*gomatrixserverlib.Event, error) { func (r *Queryer) loadStateAtEventIDs(ctx context.Context, roomInfo *types.RoomInfo, eventIDs []string) ([]*gomatrixserverlib.Event, bool, error) {
roomState := state.NewStateResolution(r.DB, roomInfo) roomState := state.NewStateResolution(r.DB, roomInfo)
prevStates, err := r.DB.StateAtEventIDs(ctx, eventIDs) prevStates, err := r.DB.StateAtEventIDs(ctx, eventIDs)
if err != nil { if err != nil {
switch err.(type) { switch err.(type) {
case types.MissingEventError: case types.MissingEventError:
return nil, nil return nil, false, nil
default: default:
return nil, err return nil, false, err
}
}
// Currently only used on /state and /state_ids
rejected := false
for i := range prevStates {
if prevStates[i].IsRejected {
rejected = true
break
} }
} }
@ -497,10 +505,12 @@ func (r *Queryer) loadStateAtEventIDs(ctx context.Context, roomInfo *types.RoomI
ctx, prevStates, ctx, prevStates,
) )
if err != nil { if err != nil {
return nil, err return nil, rejected, err
} }
return helpers.LoadStateEvents(ctx, r.DB, stateEntries) events, err := helpers.LoadStateEvents(ctx, r.DB, stateEntries)
return events, rejected, err
} }
type eventsFromIDs func(context.Context, []string) ([]types.Event, error) type eventsFromIDs func(context.Context, []string) ([]types.Event, error)

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@ -709,4 +709,8 @@ Gapped incremental syncs include all state changes
Old leaves are present in gapped incremental syncs Old leaves are present in gapped incremental syncs
Leaves are present in non-gapped incremental syncs Leaves are present in non-gapped incremental syncs
Members from the gap are included in gappy incr LL sync Members from the gap are included in gappy incr LL sync
Presence can be set from sync Presence can be set from sync
/state returns M_NOT_FOUND for a rejected message event
/state_ids returns M_NOT_FOUND for a rejected message event
/state returns M_NOT_FOUND for a rejected state event
/state_ids returns M_NOT_FOUND for a rejected state event