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AntiSyncBots policy.

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This commit is contained in:
fiatjaf
2023-11-22 17:10:11 -03:00
parent 2edf754907
commit d592bd95a9
1 changed files with 9 additions and 0 deletions
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9
plugins/filters.go
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@@ -7,6 +7,7 @@ import (
"golang.org/x/exp/slices"
)
// NoComplexFilters disallows filters with more than 2 tags.
func NoComplexFilters(ctx context.Context, filter nostr.Filter) (reject bool, msg string) {
items := len(filter.Tags) + len(filter.Kinds)
@@ -17,6 +18,7 @@ func NoComplexFilters(ctx context.Context, filter nostr.Filter) (reject bool, ms
return false, ""
}
// NoEmptyFilters disallows filters that don't have at least a tag, a kind, an author or an id.
func NoEmptyFilters(ctx context.Context, filter nostr.Filter) (reject bool, msg string) {
c := len(filter.Kinds) + len(filter.IDs) + len(filter.Authors)
for _, tagItems := range filter.Tags {
@@ -28,6 +30,13 @@ func NoEmptyFilters(ctx context.Context, filter nostr.Filter) (reject bool, msg
return false, ""
}
// AntiSyncBots tries to prevent people from syncing kind:1s from this relay to else by always
// requiring an author parameter at least.
func AntiSyncBots(ctx context.Context, filter nostr.Filter) (reject bool, msg string) {
return (len(filter.Kinds) == 0 || slices.Contains(filter.Kinds, 1)) &&
len(filter.Authors) == 0, "an author must be specified to get their kind:1 notes"
}
func NoSearchQueries(ctx context.Context, filter nostr.Filter) (reject bool, msg string) {
if filter.Search != "" {
return true, "search is not supported"