blob: 913b6525aa34cb8c9133b1ad487020ae2da14c9e (
plain)
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
|
package util
import (
"github.com/microcosm-cc/bluemonday"
md "github.com/russross/blackfriday"
"html/template"
"strings"
)
//Some default rules, plus and minus some.
var mdOptions = 0 |
md.EXTENSION_AUTOLINK |
md.EXTENSION_HARD_LINE_BREAK |
md.EXTENSION_NO_EMPTY_LINE_BEFORE_BLOCK |
md.EXTENSION_NO_INTRA_EMPHASIS |
md.EXTENSION_SPACE_HEADERS |
md.EXTENSION_STRIKETHROUGH
var htmlFlags = 0 |
md.HTML_USE_XHTML |
md.HTML_SMARTYPANTS_FRACTIONS |
md.HTML_SAFELINK |
md.HTML_NOREFERRER_LINKS |
md.HTML_HREF_TARGET_BLANK
func init() {
HtmlMdRenderer = md.HtmlRenderer(htmlFlags, "", "")
}
var HtmlMdRenderer md.Renderer
// TODO: restrict certain types of markdown
func MarkdownToHTML(markdown string) template.HTML {
if len(markdown) >= 3 && markdown[:3] == ">" {
markdown = ">" + markdown[3:]
}
markdown = strings.Replace(markdown,"\n>","\n>", -1)
unsafe := md.MarkdownOptions([]byte(markdown), HtmlMdRenderer, md.Options{Extensions: mdOptions})
html := bluemonday.UGCPolicy().SanitizeBytes(unsafe)
return template.HTML(html)
}
|
