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policies: nip70 enforcer.

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fiatjaf 2025-03-11 17:42:27 -03:00
parent 0d736cff82
commit 650d9209c3
1 changed files with 8 additions and 0 deletions
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8
policies/events.go
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@ -8,6 +8,7 @@ import (
"time" "time"
"github.com/nbd-wtf/go-nostr" "github.com/nbd-wtf/go-nostr"
"github.com/nbd-wtf/go-nostr/nip70"
) )
// PreventTooManyIndexableTags returns a function that can be used as a RejectFilter that will reject // PreventTooManyIndexableTags returns a function that can be used as a RejectFilter that will reject
@ -107,3 +108,10 @@ func PreventTimestampsInTheFuture(threshold time.Duration) func(context.Context,
func RejectEventsWithBase64Media(ctx context.Context, evt *nostr.Event) (bool, string) { func RejectEventsWithBase64Media(ctx context.Context, evt *nostr.Event) (bool, string) {
return strings.Contains(evt.Content, "data:image/") || strings.Contains(evt.Content, "data:video/"), "event with base64 media" return strings.Contains(evt.Content, "data:image/") || strings.Contains(evt.Content, "data:video/"), "event with base64 media"
} }
func OnlyAllowNIP70ProtectedEvents(ctx context.Context, event *nostr.Event) (reject bool, msg string) {
if nip70.IsProtected(event) {
return false, ""
}
return true, "blocked: we only accept events protected with the nip70 \"-\" tag"
}