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[chore] Refactor HTML templates and CSS (#2480)

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* [chore] Refactor HTML templates and CSS

* eslint

* ignore "Local"

* rss tests

* fiddle with OG just a tiny bit

* dick around with polls a bit more so SR stops saying "clickable"

* remove break

* oh lord

* don't lazy load avatar

* fix ogmeta tests

* clean up some cruft

* catch remaining calls to c.HTML

* fix error rendering + stack overflow in tag

* allow templating attributes

* fix indent

* set aria-hidden on status complementary content, since it's already present in the label anyway

* tidy up templating calls a little

* try to make styling a bit more consistent + readable

* fix up some remaining CSS issues

* fix up reports
This commit is contained in:
tobi 2023-12-27 11:23:52 +01:00 • committed by GitHub
commit 0ff52b71f2
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77 changed files with 3262 additions and 1736 deletions
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91
internal/text/emojify.go
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@ -20,18 +20,76 @@ package text
import (
"bytes"
"html"
"html/template"
apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model"
"github.com/superseriousbusiness/gotosocial/internal/regexes"
)
// Emojify replaces shortcodes in `inputText` with the emoji in `emojis`.
//
// Callers should ensure that inputText and resulting text are escaped
// appropriately depending on what they're used for.
func Emojify(emojis []apimodel.Emoji, inputText string) string {
emojisMap := make(map[string]apimodel.Emoji, len(emojis))
// EmojifyWeb replaces emoji shortcodes like `:example:` in the given HTML
// fragment with `<img>` tags suitable for rendering on the web frontend.
func EmojifyWeb(emojis []apimodel.Emoji, html template.HTML) template.HTML {
out := emojify(
emojis,
string(html),
func(url, code string, buf *bytes.Buffer) {
buf.WriteString(`<img src="`)
buf.WriteString(url)
buf.WriteString(`" title=":`)
buf.WriteString(code)
buf.WriteString(`:" alt=":`)
buf.WriteString(code)
buf.WriteString(`:" class="emoji" `)
// Lazy load emojis when
// they scroll into view.
buf.WriteString(`loading="lazy" `)
// Limit size to avoid showing
// huge emojis when unstyled.
buf.WriteString(`width="25" height="25"/>`)
},
)
// If input was safe,
// we can trust output.
return template.HTML(out) // #nosec G203
}
// EmojifyRSS replaces emoji shortcodes like `:example:` in the given text
// fragment with `<img>` tags suitable for rendering as RSS content.
func EmojifyRSS(emojis []apimodel.Emoji, text string) string {
return emojify(
emojis,
text,
func(url, code string, buf *bytes.Buffer) {
buf.WriteString(`<img src="`)
buf.WriteString(url)
buf.WriteString(`" title=":`)
buf.WriteString(code)
buf.WriteString(`:" alt=":`)
buf.WriteString(code)
buf.WriteString(`:" `)
// Limit size to avoid showing
// huge emojis in RSS readers.
buf.WriteString(`width="25" height="25"/>`)
},
)
}
// Demojify replaces emoji shortcodes like `:example:` in the given text
// fragment with empty strings, essentially stripping them from the text.
// This is useful for text used in OG Meta headers.
func Demojify(text string) string {
return regexes.EmojiFinder.ReplaceAllString(text, "")
}
func emojify(
emojis []apimodel.Emoji,
input string,
write func(url, code string, buf *bytes.Buffer),
) string {
// Build map of shortcodes. Normalize each
// shortcode by readding closing colons.
emojisMap := make(map[string]apimodel.Emoji, len(emojis))
for _, emoji := range emojis {
shortcode := ":" + emoji.Shortcode + ":"
emojisMap[shortcode] = emoji
@ -39,27 +97,20 @@ func Emojify(emojis []apimodel.Emoji, inputText string) string {
return regexes.ReplaceAllStringFunc(
regexes.EmojiFinder,
inputText,
input,
func(shortcode string, buf *bytes.Buffer) string {
// Look for emoji according to this shortcode
// Look for emoji with this shortcode.
emoji, ok := emojisMap[shortcode]
if !ok {
return shortcode
}
// Escape raw emoji content
safeURL := html.EscapeString(emoji.URL)
safeCode := html.EscapeString(emoji.Shortcode)
// Write HTML emoji repr to buffer
buf.WriteString(`<img src="`)
buf.WriteString(safeURL)
buf.WriteString(`" title=":`)
buf.WriteString(safeCode)
buf.WriteString(`:" alt=":`)
buf.WriteString(safeCode)
buf.WriteString(`:" class="emoji"/>`)
// Escape raw emoji content.
url := html.EscapeString(emoji.URL)
code := html.EscapeString(emoji.Shortcode)
// Write emoji repr to buffer.
write(url, code, buf)
return buf.String()
},
)