use naddr as code in client urls when param-replaceable and fix relay filtering for nip19.

fixes https://github.com/fiatjaf/njump/issues/14

clients.go

@@ -0,0 +1,68 @@
+package main
+
+import (
+	"html/template"
+
+	"github.com/nbd-wtf/go-nostr"
+)
+
+type ClientReference struct {
+	ID   string
+	Name string
+	URL  template.URL
+}
+
+func generateClientList(style Style, code string, event *nostr.Event) []ClientReference {
+	if event.Kind == 1 || event.Kind == 6 {
+		return []ClientReference{
+			{ID: "native", Name: "your native client", URL: template.URL("nostr:" + code)},
+			{ID: "snort", Name: "Snort", URL: template.URL("https://Snort.social/e/" + code)},
+			{ID: "nostrudel", Name: "Nostrudel", URL: template.URL("https://nostrudel.ninja/#/n/" + code)},
+			{ID: "satellite", Name: "Satellite", URL: template.URL("https://satellite.earth/thread/" + event.ID)},
+			{ID: "coracle", Name: "Coracle", URL: template.URL("https://coracle.social/" + code)},
+			{ID: "primal", Name: "Primal", URL: template.URL("https://primal.net/thread/" + event.ID)},
+			{ID: "nostter", Name: "Nostter", URL: template.URL("https://nostter.vercel.app/" + code)},
+			{ID: "highlighter", Name: "Highlighter", URL: template.URL("https://highlighter.com/a/" + code)},
+			{ID: "iris", Name: "Iris", URL: template.URL("https://iris.to/" + code)},
+		}
+	} else if event.Kind == 0 {
+		return []ClientReference{
+			{ID: "native", Name: "your native client", URL: template.URL("nostr:" + code)},
+			{ID: "nosta", Name: "Nosta", URL: template.URL("https://nosta.me/" + code)},
+			{ID: "snort", Name: "Snort", URL: template.URL("https://snort.social/p/" + code)},
+			{ID: "satellite", Name: "Satellite", URL: template.URL("https://satellite.earth/@" + code)},
+			{ID: "coracle", Name: "Coracle", URL: template.URL("https://coracle.social/" + code)},
+			{ID: "primal", Name: "Primal", URL: template.URL("https://primal.net/profile/" + event.PubKey)},
+			{ID: "nostrudel", Name: "Nostrudel", URL: template.URL("https://nostrudel.ninja/#/u/" + code)},
+			{ID: "nostter", Name: "Nostter", URL: template.URL("https://nostter.vercel.app/" + code)},
+			{ID: "iris", Name: "Iris", URL: template.URL("https://iris.to/" + code)},
+		}
+	} else if event.Kind == 30023 || event.Kind == 30024 {
+		return []ClientReference{
+			{ID: "native", Name: "your native client", URL: template.URL("nostr:" + code)},
+			{ID: "yakihonne", Name: "YakiHonne", URL: template.URL("https://yakihonne.com/article/" + code)},
+			{ID: "habla", Name: "Habla", URL: template.URL("https://habla.news/a/" + code)},
+			{ID: "highlighter", Name: "Highlighter", URL: template.URL("https://highlighter.com/a/" + code)},
+			{ID: "blogstack", Name: "Blogstack", URL: template.URL("https://blogstack.io/" + code)},
+		}
+	} else if event.Kind == 1063 {
+		return []ClientReference{
+			{ID: "native", Name: "your native client", URL: template.URL("nostr:" + code)},
+			{ID: "snort", Name: "Snort", URL: template.URL("https://snort.social/p/" + code)},
+			{ID: "coracle", Name: "Coracle", URL: template.URL("https://coracle.social/" + code)},
+		}
+	} else if event.Kind == 30311 {
+		return []ClientReference{
+			{ID: "native", Name: "your native client", URL: template.URL("nostr:" + code)},
+			{ID: "zap.stream", Name: "zap.stream", URL: template.URL("https://zap.stream/" + code)},
+			{ID: "nostrudel", Name: "Nostrudel", URL: template.URL("https://nostrudel.ninja/#/streams/" + code)},
+		}
+	}
+	return nil
+}
+
+func generateRelayBrowserClientList(host string) []ClientReference {
+	return []ClientReference{
+		{ID: "coracle", Name: "Coracle", URL: template.URL("https://coracle.social/relays/" + host)},
+	}
+}

data.go

@@ -136,12 +136,15 @@ func grabData(ctx context.Context, code string, isProfileSitemap bool) (*Data, e
 	}
 
 	relaysForNip19 := make([]string, 0, 3)
-	for i, relay := range relays {
+	c := 0
-		relaysForNip19 = append(relaysForNip19, relay)
+	for _, relayUrl := range relays {
-		if i == 2 {
+		if shouldUseRelayForNip19(relayUrl) {
+			relaysForNip19 = append(relaysForNip19, relayUrl)
+			if c == 2 {
 				break
 			}
 		}
+	}
 
 	data := &Data{
 		event:  event,
@@ -160,18 +163,12 @@ func grabData(ctx context.Context, code string, isProfileSitemap bool) (*Data, e
 	data.modifiedAt = time.Unix(int64(event.CreatedAt), 0).Format("2006-01-02T15:04:05Z07:00")
 	data.authorRelays = []string{}
 
-	eventRelays := []string{}
+	if event.Kind >= 30000 && event.Kind < 40000 {
-	for _, relay := range relays {
+		if d := event.Tags.GetFirst([]string{"d", ""}); d != nil {
-		for _, excluded := range excludedRelays {
+			data.naddr, _ = nip19.EncodeEntity(event.PubKey, event.Kind, d.Value(), relaysForNip19)
-			if strings.Contains(relay, excluded) {
+			data.naddrNaked, _ = nip19.EncodeEntity(event.PubKey, event.Kind, d.Value(), nil)
-				continue
 		}
 	}
-		if strings.Contains(relay, "/npub1") {
-			continue // skip relays with personalyzed query like filter.nostr.wine
-		}
-		eventRelays = append(eventRelays, trimProtocol(relay))
-	}
 
 	if tag := event.Tags.GetFirst([]string{"alt", ""}); tag != nil {
 		data.alt = (*tag)[1]
@@ -259,8 +256,6 @@ func grabData(ctx context.Context, code string, isProfileSitemap bool) (*Data, e
 		}
 	case 30311:
 		data.templateId = LiveEvent
-		d := event.Tags.GetFirst([]string{"d", ""})
-		data.naddr, _ = nip19.EncodeEntity(event.PubKey, event.Kind, d.Value(), data.relays)
 		data.kind30311Metadata = &Kind30311Metadata{}
 
 		if tag := event.Tags.GetFirst([]string{"title", ""}); tag != nil {
@@ -288,12 +283,6 @@ func grabData(ctx context.Context, code string, isProfileSitemap bool) (*Data, e
 		}
 	default:
 		data.templateId = Other
-		if event.Kind >= 30000 && event.Kind < 40000 {
-			if d := event.Tags.GetFirst([]string{"d", ""}); d != nil {
-				data.naddr, _ = nip19.EncodeEntity(event.PubKey, event.Kind, d.Value(), relaysForNip19)
-				data.naddrNaked, _ = nip19.EncodeEntity(event.PubKey, event.Kind, d.Value(), nil)
-			}
-		}
 	}
 
 	if event.Kind == 0 {

render_event.go

@@ -279,6 +279,10 @@ func renderEvent(w http.ResponseWriter, r *http.Request) {
 			opengraph.SingleTitle = "by " + data.authorShort + " at " + humanDate(data.event.CreatedAt)
 		}
 
+		if data.naddr != "" {
+			code = data.naddr
+		}
+
 		err = NoteTemplate.Render(w, &NotePage{
 			OpenGraphPartial: opengraph,
 			HeadCommonPartial: HeadCommonPartial{

utils.go

@@ -8,6 +8,7 @@ import (
 	"html/template"
 	"io"
 	"net/http"
+	"net/url"
 	"regexp"
 	"strings"
 	"time"
@@ -118,67 +119,6 @@ var kindNIPs = map[int]string{
 	30078: "78",
 }
 
-type ClientReference struct {
-	ID   string
-	Name string
-	URL  template.URL
-}
-
-func generateClientList(style Style, code string, event *nostr.Event) []ClientReference {
-	if event.Kind == 1 || event.Kind == 6 {
-		return []ClientReference{
-			{ID: "native", Name: "your native client", URL: template.URL("nostr:" + code)},
-			{ID: "snort", Name: "Snort", URL: template.URL("https://Snort.social/e/" + code)},
-			{ID: "nostrudel", Name: "Nostrudel", URL: template.URL("https://nostrudel.ninja/#/n/" + code)},
-			{ID: "satellite", Name: "Satellite", URL: template.URL("https://satellite.earth/thread/" + event.ID)},
-			{ID: "coracle", Name: "Coracle", URL: template.URL("https://coracle.social/" + code)},
-			{ID: "primal", Name: "Primal", URL: template.URL("https://primal.net/thread/" + event.ID)},
-			{ID: "nostter", Name: "Nostter", URL: template.URL("https://nostter.vercel.app/" + code)},
-			{ID: "highlighter", Name: "Highlighter", URL: template.URL("https://highlighter.com/a/" + code)},
-			{ID: "iris", Name: "Iris", URL: template.URL("https://iris.to/" + code)},
-		}
-	} else if event.Kind == 0 {
-		return []ClientReference{
-			{ID: "native", Name: "your native client", URL: template.URL("nostr:" + code)},
-			{ID: "nosta", Name: "Nosta", URL: template.URL("https://nosta.me/" + code)},
-			{ID: "snort", Name: "Snort", URL: template.URL("https://snort.social/p/" + code)},
-			{ID: "satellite", Name: "Satellite", URL: template.URL("https://satellite.earth/@" + code)},
-			{ID: "coracle", Name: "Coracle", URL: template.URL("https://coracle.social/" + code)},
-			{ID: "primal", Name: "Primal", URL: template.URL("https://primal.net/profile/" + event.PubKey)},
-			{ID: "nostrudel", Name: "Nostrudel", URL: template.URL("https://nostrudel.ninja/#/u/" + code)},
-			{ID: "nostter", Name: "Nostter", URL: template.URL("https://nostter.vercel.app/" + code)},
-			{ID: "iris", Name: "Iris", URL: template.URL("https://iris.to/" + code)},
-		}
-	} else if event.Kind == 30023 || event.Kind == 30024 {
-		return []ClientReference{
-			{ID: "native", Name: "your native client", URL: template.URL("nostr:" + code)},
-			{ID: "yakihonne", Name: "YakiHonne", URL: template.URL("https://yakihonne.com/article/" + code)},
-			{ID: "habla", Name: "Habla", URL: template.URL("https://habla.news/a/" + code)},
-			{ID: "highlighter", Name: "Highlighter", URL: template.URL("https://highlighter.com/a/" + code)},
-			{ID: "blogstack", Name: "Blogstack", URL: template.URL("https://blogstack.io/" + code)},
-		}
-	} else if event.Kind == 1063 {
-		return []ClientReference{
-			{ID: "native", Name: "your native client", URL: template.URL("nostr:" + code)},
-			{ID: "snort", Name: "Snort", URL: template.URL("https://snort.social/p/" + code)},
-			{ID: "coracle", Name: "Coracle", URL: template.URL("https://coracle.social/" + code)},
-		}
-	} else if event.Kind == 30311 {
-		return []ClientReference{
-			{ID: "native", Name: "your native client", URL: template.URL("nostr:" + code)},
-			{ID: "zap.stream", Name: "zap.stream", URL: template.URL("https://zap.stream/" + code)},
-			{ID: "nostrudel", Name: "Nostrudel", URL: template.URL("https://nostrudel.ninja/#/streams/" + code)},
-		}
-	}
-	return nil
-}
-
-func generateRelayBrowserClientList(host string) []ClientReference {
-	return []ClientReference{
-		{ID: "coracle", Name: "Coracle", URL: template.URL("https://coracle.social/relays/" + host)},
-	}
-}
-
 type Style string
 
 const (
@@ -567,3 +507,22 @@ func humanDate(createdAt nostr.Timestamp) string {
 		return ts.UTC().Format("Mon, Jan _2 15:04 UTC")
 	}
 }
+
+func shouldUseRelayForNip19(relayUrl string) bool {
+	for _, excluded := range excludedRelays {
+		if strings.Contains(relayUrl, excluded) {
+			return false
+		}
+	}
+	urlp, err := url.Parse(relayUrl)
+	if err != nil {
+		return false
+	}
+	if urlp.Scheme != "wss" && urlp.Scheme != "ws" {
+		return false
+	}
+	if urlp.Path != "" && urlp.Path != "/" {
+		return false
+	}
+	return true
+}