1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
|
/*
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
}
|
