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Fix panic in QueryRestrictedJoinAllowed

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This commit is contained in:
Neil Alexander 2022-06-06 08:56:06 +01:00
parent 3e9c734da5
commit 02597f15f0
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1 changed files with 7 additions and 4 deletions
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11
roomserver/internal/query/query.go
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@ -778,11 +778,18 @@ func (r *Queryer) QueryRestrictedJoinAllowed(ctx context.Context, req *api.Query
} else if !allowRestrictedJoins {
return nil
}
// Start off by populating the "resident" flag in the response. If we
// come across any rooms in the request that are missing, we will unset
// the flag.
res.Resident = true
// Get the join rules to work out if the join rule is "restricted".
joinRulesEvent, err := r.DB.GetStateEvent(ctx, req.RoomID, gomatrixserverlib.MRoomJoinRules, "")
if err != nil {
return fmt.Errorf("r.DB.GetStateEvent: %w", err)
}
if joinRulesEvent == nil {
return nil
}
var joinRules gomatrixserverlib.JoinRuleContent
if err = json.Unmarshal(joinRulesEvent.Content(), &joinRules); err != nil {
return fmt.Errorf("json.Unmarshal: %w", err)
@ -792,10 +799,6 @@ func (r *Queryer) QueryRestrictedJoinAllowed(ctx context.Context, req *api.Query
if !res.Restricted {
return nil
}
// Start off by populating the "resident" flag in the response. If we
// come across any rooms in the request that are missing, we will unset
// the flag.
res.Resident = true
// If the user is already invited to the room then the join is allowed
// but we don't specify an authorised via user, since the event auth
// will allow the join anyway.