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backport 6306 (#6308)

This commit is contained in:
techknowlogick 2019-03-12 06:58:49 -04:00 committed by Lunny Xiao
parent 59a64c0e1d
commit c7bbfd8f5e
2 changed files with 53 additions and 3 deletions
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8
models/repo.go
View File

@ -719,10 +719,12 @@ var (
// DescriptionHTML does special handles to description and return HTML string.
func (repo *Repository) DescriptionHTML() template.HTML {
sanitize := func(s string) string {
return fmt.Sprintf(`<a href="%[1]s" target="_blank" rel="noopener noreferrer">%[1]s</a>`, s)
desc, err := markup.RenderDescriptionHTML([]byte(repo.Description), repo.HTMLURL(), repo.ComposeMetas())
if err != nil {
log.Error(4, "Failed to render description for %s (ID: %d): %v", repo.Name, repo.ID, err)
return template.HTML(markup.Sanitize(repo.Description))
}
return template.HTML(descPattern.ReplaceAllStringFunc(markup.Sanitize(repo.Description), sanitize))
return template.HTML(markup.Sanitize(string(desc)))
}
// LocalCopyPath returns the local repository copy path.

48
modules/markup/html.go
View File

@ -234,6 +234,23 @@ func RenderCommitMessage(
return ctx.postProcess(rawHTML)
}
// RenderDescriptionHTML will use similar logic as PostProcess, but will
// use a single special linkProcessor.
func RenderDescriptionHTML(
rawHTML []byte,
urlPrefix string,
metas map[string]string,
) ([]byte, error) {
ctx := &postProcessCtx{
metas: metas,
urlPrefix: urlPrefix,
procs: []processor{
descriptionLinkProcessor,
},
}
return ctx.postProcess(rawHTML)
}
var byteBodyTag = []byte("<body>")
var byteBodyTagClosing = []byte("</body>")
@ -668,3 +685,34 @@ func genDefaultLinkProcessor(defaultLink string) processor {
node.FirstChild, node.LastChild = ch, ch
}
}
// descriptionLinkProcessor creates links for DescriptionHTML
func descriptionLinkProcessor(ctx *postProcessCtx, node *html.Node) {
m := linkRegex.FindStringIndex(node.Data)
if m == nil {
return
}
uri := node.Data[m[0]:m[1]]
replaceContent(node, m[0], m[1], createDescriptionLink(uri, uri))
}
func createDescriptionLink(href, content string) *html.Node {
textNode := &html.Node{
Type: html.TextNode,
Data: content,
}
linkNode := &html.Node{
FirstChild: textNode,
LastChild: textNode,
Type: html.ElementNode,
Data: "a",
DataAtom: atom.A,
Attr: []html.Attribute{
{Key: "href", Val: href},
{Key: "target", Val: "_blank"},
{Key: "rel", Val: "noopener noreferrer"},
},
}
textNode.Parent = linkNode
return linkNode
}