nasso.dev
my fork of the bluesky client
bnewbold.net
1package main
2
3import (
4 "bytes"
5 "fmt"
6 "html/template"
7
8 appbsky "github.com/bluesky-social/indigo/api/bsky"
9 "github.com/bluesky-social/indigo/atproto/syntax"
10)
11
12func (srv *Server) postEmbedHTML(postView *appbsky.FeedDefs_PostView) (string, error) {
13 // ensure that there isn't an injection from the URI
14 aturi, err := syntax.ParseATURI(postView.Uri)
15 if err != nil {
16 log.Error("bad AT-URI in reponse", "aturi", aturi, "err", err)
17 return "", err
18 }
19
20 post, ok := postView.Record.Val.(*appbsky.FeedPost)
21 if !ok {
22 log.Error("bad post record value", "err", err)
23 return "", err
24 }
25
26 const tpl = `<blockquote class="bluesky-embed" data-bluesky-uri="{{ .PostURI }}" data-bluesky-cid="{{ .PostCID }}"><p{{ if .PostLang }} lang="{{ .PostLang }}"{{ end }}>{{ .PostText }}</p>— <a href="{{ .ProfileURL }}">{{ .PostAuthor }}</a> <a href="{{ .PostURL }}">{{ .PostIndexedAt }}</a></blockquote><script async src="{{ .WidgetURL }}" charset="utf-8"></script>`
27
28 t, err := template.New("snippet").Parse(tpl)
29 if err != nil {
30 log.Error("template parse error", "err", err)
31 return "", err
32 }
33
34 sortAt := postView.IndexedAt
35 createdAt, err := syntax.ParseDatetime(post.CreatedAt)
36 if nil == err && createdAt.String() < sortAt {
37 sortAt = createdAt.String()
38 }
39
40 var lang string
41 if len(post.Langs) > 0 {
42 lang = post.Langs[0]
43 }
44 var authorName string
45 if postView.Author.DisplayName != nil {
46 authorName = fmt.Sprintf("%s (@%s)", *postView.Author.DisplayName, postView.Author.Handle)
47 } else {
48 authorName = fmt.Sprintf("@%s", postView.Author.Handle)
49 }
50 data := struct {
51 PostURI template.URL
52 PostCID string
53 PostLang string
54 PostText string
55 PostAuthor string
56 PostIndexedAt string
57 ProfileURL template.URL
58 PostURL template.URL
59 WidgetURL template.URL
60 }{
61 PostURI: template.URL(postView.Uri),
62 PostCID: postView.Cid,
63 PostLang: lang,
64 PostText: post.Text,
65 PostAuthor: authorName,
66 PostIndexedAt: sortAt,
67 ProfileURL: template.URL(fmt.Sprintf("https://bsky.app/profile/%s?ref_src=embed", aturi.Authority())),
68 PostURL: template.URL(fmt.Sprintf("https://bsky.app/profile/%s/post/%s?ref_src=embed", aturi.Authority(), aturi.RecordKey())),
69 WidgetURL: template.URL("https://embed.bsky.app/static/embed.js"),
70 }
71
72 var buf bytes.Buffer
73 err = t.Execute(&buf, data)
74 if err != nil {
75 log.Error("template parse error", "err", err)
76 return "", err
77 }
78 return buf.String(), nil
79}