mirror of
https://github.com/aljazceru/njump.git
synced 2025-12-17 06:14:22 +01:00
91 lines
2.3 KiB
Go
91 lines
2.3 KiB
Go
package main
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import (
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"context"
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"net/http"
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"strings"
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"time"
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"github.com/nbd-wtf/go-nostr"
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"github.com/nbd-wtf/go-nostr/nip11"
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"github.com/nbd-wtf/go-nostr/nip19"
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)
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func renderRelayPage(w http.ResponseWriter, r *http.Request) {
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code := r.URL.Path[1:]
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hostname := code[2:]
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typ := "relay"
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if strings.HasSuffix(hostname, ".xml") {
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hostname = hostname[:len(hostname)-4]
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typ = "relay_sitemap"
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}
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ctx, cancel := context.WithTimeout(r.Context(), time.Second*5)
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defer cancel()
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// relay metadata
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info, _ := nip11.Fetch(r.Context(), hostname)
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if info == nil {
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info = &nip11.RelayInformationDocument{
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Name: hostname,
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}
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}
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// last notes
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events_num := 1000
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if typ == "relay_sitemap" {
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events_num = 5000
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}
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var lastNotes []*nostr.Event
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if relay, err := pool.EnsureRelay(hostname); err == nil {
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lastNotes, _ = relay.QuerySync(ctx, nostr.Filter{
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Kinds: []int{1},
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Limit: events_num,
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})
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}
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renderableLastNotes := make([]*Event, len(lastNotes))
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lastEventAt := time.Now()
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relay := []string{"wss://" + hostname}
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for i, n := range lastNotes {
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nevent, _ := nip19.EncodeEvent(n.ID, relay, n.PubKey)
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npub, _ := nip19.EncodePublicKey(n.PubKey)
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npubShort := npub[:8] + "…" + npub[len(npub)-4:]
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renderableLastNotes[i] = &Event{
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Npub: npub,
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NpubShort: npubShort,
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Nevent: nevent,
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Content: n.Content,
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CreatedAt: time.Unix(int64(n.CreatedAt), 0).Format("2006-01-02 15:04:05"),
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ModifiedAt: time.Unix(int64(n.CreatedAt), 0).Format("2006-01-02T15:04:05Z07:00"),
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ParentNevent: getParentNevent(n),
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}
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if i == 0 {
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lastEventAt = time.Unix(int64(n.CreatedAt), 0)
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}
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}
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params := map[string]any{
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"clients": []ClientReference{
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{Name: "Coracle", URL: "https://coracle.social/relays/" + hostname},
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},
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"type": "relay",
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"info": info,
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"hostname": hostname,
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"proxy": "https://" + hostname + "/njump/proxy?src=",
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"lastNotes": renderableLastNotes,
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"modifiedAt": lastEventAt.Format("2006-01-02T15:04:05Z07:00"),
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"s": s,
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}
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if len(renderableLastNotes) != 0 {
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w.Header().Set("Cache-Control", "max-age=3600")
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} else {
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w.Header().Set("Cache-Control", "max-age=60")
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}
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if err := tmpl.ExecuteTemplate(w, templateMapping[typ], params); err != nil {
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log.Error().Err(err).Msg("error rendering")
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return
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}
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}
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