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