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bring back the voiding of bloated queries in a better place.

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fiatjaf 2023-11-12 09:33:44 -03:00
parent 52cd98b3b3
commit e0e9b09608
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1 changed files with 6 additions and 9 deletions
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15
relay.go
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@ -61,15 +61,12 @@ func validateAndFilterReports(ctx context.Context, event *nostr.Event) (reject b
return false, "" return false, ""
} }
func discardFiltersWithTooManyAuthors(ctx context.Context, filter nostr.Filter) (reject bool, msg string) {
if len(filter.Authors) > len(whitelist) {
return true, "rejecting query with more authors than we even have in the relay"
}
return false, ""
}
func removeAuthorsNotWhitelisted(ctx context.Context, filter *nostr.Filter) { func removeAuthorsNotWhitelisted(ctx context.Context, filter *nostr.Filter) {
if n := len(filter.Authors); n > 0 { if n := len(filter.Authors); n > len(whitelist)*11/10 {
// this query was clearly badly constructed, so we will not bother even looking
filter.Limit = 0 // this causes the query to be short cut
} else if n > 0 {
// otherwise we go through the authors list and remove the irrelevant ones
newAuthors := make([]string, 0, n) newAuthors := make([]string, 0, n)
for i := 0; i < n; i++ { for i := 0; i < n; i++ {
k := filter.Authors[i] k := filter.Authors[i]
@ -80,7 +77,7 @@ func removeAuthorsNotWhitelisted(ctx context.Context, filter *nostr.Filter) {
filter.Authors = newAuthors filter.Authors = newAuthors
if len(newAuthors) == 0 { if len(newAuthors) == 0 {
filter.Limit = 0 filter.Limit = 0 // this causes the query to be short cut
} }
} }
} }