mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2024-12-23 10:42:12 +00:00
79fb8bad04
* allow markdown footnotes + hard line breaks * don't keep whitespace w/minify (unnecessary now) * test markdown a bit more
64 lines
1.8 KiB
Go
64 lines
1.8 KiB
Go
/*
|
|
GoToSocial
|
|
Copyright (C) 2021-2022 GoToSocial Authors admin@gotosocial.org
|
|
|
|
This program is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU Affero General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU Affero General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Affero General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
package text
|
|
|
|
import (
|
|
"context"
|
|
|
|
"github.com/russross/blackfriday/v2"
|
|
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
|
|
"github.com/superseriousbusiness/gotosocial/internal/log"
|
|
"github.com/tdewolff/minify/v2"
|
|
"github.com/tdewolff/minify/v2/html"
|
|
)
|
|
|
|
var (
|
|
bfExtensions = blackfriday.CommonExtensions | blackfriday.HardLineBreak | blackfriday.Footnotes
|
|
m *minify.M
|
|
)
|
|
|
|
func (f *formatter) FromMarkdown(ctx context.Context, md string, mentions []*gtsmodel.Mention, tags []*gtsmodel.Tag) string {
|
|
// format tags nicely
|
|
content := f.ReplaceTags(ctx, md, tags)
|
|
|
|
// format mentions nicely
|
|
content = f.ReplaceMentions(ctx, content, mentions)
|
|
|
|
// parse markdown
|
|
contentBytes := blackfriday.Run([]byte(content), blackfriday.WithExtensions(bfExtensions))
|
|
|
|
// clean anything dangerous out of it
|
|
content = SanitizeHTML(string(contentBytes))
|
|
|
|
if m == nil {
|
|
m = minify.New()
|
|
m.Add("text/html", &html.Minifier{
|
|
KeepEndTags: true,
|
|
KeepQuotes: true,
|
|
})
|
|
}
|
|
|
|
minified, err := m.String("text/html", content)
|
|
if err != nil {
|
|
log.Errorf("error minifying markdown text: %s", err)
|
|
}
|
|
|
|
return minified
|
|
}
|