44 lines
1.5 KiB
Go
44 lines
1.5 KiB
Go
package nostr
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import (
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"context"
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"fmt"
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"git.devvul.com/asara/gologger"
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"git.devvul.com/asara/well-goknown/config"
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"github.com/fiatjaf/khatru"
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"github.com/nbd-wtf/go-nostr"
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)
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func RejectUnregisteredNpubs(ctx context.Context, event *nostr.Event) (reject bool, msg string) {
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var err error
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l := gologger.Get(config.GetConfig().LogLevel).With().Str("context", "nostr-reject-unregistered").Logger()
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// always allow seals, lightning ephemeral messages, auth messages, addressable events
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if event.Kind == 13 || event.Kind == 21000 || event.Kind == 22242 || event.Kind == 30078 {
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return false, ""
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}
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// ensure pubkey has authenticated
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authenticatedUser := khatru.GetAuthed(ctx)
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if authenticatedUser == "" {
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l.Debug().Msgf("kind: %v, pubkey not authed: %s", event.Kind, event.PubKey)
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return true, fmt.Sprintf("auth-required: interacting with this relay requires authentication")
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}
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npubs := []string{authenticatedUser}
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// add recipients of dms/private dms/gift wraps/signature requests to npubs list
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if event.Kind == 4 || event.Kind == 14 || event.Kind == 1059 || 24133 {
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for _, npub := range event.Tags.GetAll([]string{"p"}) {
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npubs = append(npubs, npub.Value())
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}
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}
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// check if npubs are registered
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if authz := checknPubsInDb(npubs); authz == false {
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l.Debug().Msgf("kind: %v, pubkey: %s, error: %s", event.Kind, event.PubKey, err.Error())
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return true, fmt.Sprintf("restricted: pubkey %s is not registered to any users", authenticatedUser)
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}
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return false, ""
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}
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