highperfocused/khatru
1
0
Fork 0
mirror of https://github.com/fiatjaf/khatru.git synced 2025-03-17 21:32:55 +01:00
Code Issues Packages Projects Releases Wiki Activity

plugins.PreventLargeTags()

Browse Source
This commit is contained in:
fiatjaf 2023-11-13 16:26:27 -03:00
parent 1abeab4851
commit 7a3eb6fb08
No known key found for this signature in database
GPG Key ID: BAD43C4BE5C1A3A1
1 changed files with 14 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
plugins/events.go
View File

@ -23,6 +23,20 @@ func PreventTooManyIndexableTags(max int) func(context.Context, *nostr.Event) (b
}
}
// PreventLargeTags rejects events that have indexable tag values greater than maxTagValueLen.
func PreventLargeTags(maxTagValueLen int) func(context.Context, *nostr.Event) (bool, string) {
return func(ctx context.Context, event *nostr.Event) (reject bool, msg string) {
for _, tag := range event.Tags {
if len(tag) > 1 && len(tag[0]) == 1 {
if len(tag[1]) > maxTagValueLen {
return true, "event contains too large tags"
}
}
}
return false, ""
}
}
// RestrictToSpecifiedKinds returns a function that can be used as a RejectFilter that will reject
// any events with kinds different than the specified ones.
func RestrictToSpecifiedKinds(kinds ...uint16) func(context.Context, *nostr.Event) (bool, string) {