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Return M_NOT_FOUND for rejected events (#2371)

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* Return M_NOT_FOUND for rejected events

* Add passing tests
This commit is contained in:
Till 2022-04-25 19:05:01 +02:00 committed by GitHub
parent e95fc5c5e3
commit e8ab2154aa
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GPG key ID: 4AEE18F83AFDEB23
4 changed files with 31 additions and 8 deletions
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7
federationapi/routing/state.go
View file

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

2
roomserver/api/query.go
View file

@ -230,6 +230,8 @@ type QueryStateAndAuthChainResponse struct {
// The lists will be in an arbitrary order.
StateEvents []*gomatrixserverlib.HeaderedEvent `json:"state_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

24
roomserver/internal/query/query.go
View file

@ -441,11 +441,11 @@ func (r *Queryer) QueryStateAndAuthChain(
}
var stateEvents []*gomatrixserverlib.Event
stateEvents, err = r.loadStateAtEventIDs(ctx, info, request.PrevEventIDs)
stateEvents, rejected, err := r.loadStateAtEventIDs(ctx, info, request.PrevEventIDs)
if err != nil {
return err
}
response.IsRejected = rejected
response.PrevEventsExist = true
// add the auth event IDs for the current state events too
@ -480,15 +480,23 @@ func (r *Queryer) QueryStateAndAuthChain(
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)
prevStates, err := r.DB.StateAtEventIDs(ctx, eventIDs)
if err != nil {
switch err.(type) {
case types.MissingEventError:
return nil, nil
return nil, false, nil
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,
)
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)

6
sytest-whitelist
View file

@ -709,4 +709,8 @@ Gapped incremental syncs include all state changes
Old leaves are present in gapped incremental syncs
Leaves are present in non-gapped incremental syncs
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