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Replace npub/nprofile reference with usename on web pages

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This commit is contained in:
Daniele Tonon
2023-09-19 12:29:33 +02:00
parent 55479e3523
commit 89ba317ede
1 changed files with 30 additions and 16 deletions
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46
utils.go
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@@ -253,14 +253,38 @@ func replaceNostrURLsWithTags(input string) string {
return match
}
nip19 := submatch[2]
first6 := nip19[:6]
last6 := nip19[len(nip19)-6:]
replacement := fmt.Sprintf(`<a href="/%s" class="nostr">%s</a>`, nip19, first6+"…"+last6)
return replacement
first_chars := nip19[:8]
last_chars := nip19[len(nip19)-4:]
if strings.HasPrefix(nip19, "npub1") || strings.HasPrefix(nip19, "nprofile1") {
ctx, cancel := context.WithTimeout(context.Background(), time.Second*4)
defer cancel()
name := getNameFromNip19(ctx, nip19)
replacement := fmt.Sprintf(`<a href="/%s" class="nostr" ><strong>%s</strong> (<i>%s</i>)</a>`, nip19, name, first_chars+"…"+last_chars)
return replacement
} else {
replacement := fmt.Sprintf(`<a href="/%s" class="nostr">%s</a>`, nip19, first_chars+"…"+last_chars)
return replacement
}
})
return input
}
func getNameFromNip19(ctx context.Context, nip19 string) string {
author, err := getEvent(ctx, nip19)
if err != nil {
return nip19
}
metadata, err := nostr.ParseMetadata(*author)
if err != nil {
return nip19
}
if metadata.Name == "" {
return nip19
}
return metadata.Name
}
// replaces an npub/nprofile with the name of the author, if possible
func replaceUserReferencesWithNames(ctx context.Context, input []string) []string {
// Match and replace npup1 or nprofile1
@@ -274,18 +298,7 @@ func replaceUserReferencesWithNames(ctx context.Context, input []string) []strin
return match
}
nip19 := submatch[2]
author, err := getEvent(ctx, nip19)
if err != nil {
return nip19
}
metadata, err := nostr.ParseMetadata(*author)
if err != nil {
return nip19
}
if metadata.Name == "" {
return nip19
}
return metadata.Name
return getNameFromNip19(ctx, nip19)
})
}
return input
@@ -398,6 +411,7 @@ func sanitizeXSS(html string) string {
}
func basicFormatting(input string) string {
lines := strings.Split(input, "\n")
var processedLines []string
for _, line := range lines {