func getData(t html.Token, dt html.Token) (ok bool, href string, descr string) {
for _, a := range t.Attr {
if a.Key == "href" {
href = a.Val
descr = dt.String()
}
if a.Key == "class" {
if strings.HasPrefix(a.Val, "title may-blank") {
ok = true
}
}
}
return
}
func sanitizeAttributes(u *url.URL, t *html.Token) {
var attrs []html.Attribute
var isLink = false
for _, a := range t.Attr {
if a.Key == "target" {
} else if a.Key == "style" {
a.Val = sanitizeStyle(a.Val)
attrs = append(attrs, a)
} else if acceptableAttributes[a.Key] {
if a.Key == "href" || a.Key == "src" {
a.Val = sanitizeLink(u, strings.TrimSpace(a.Val))
}
if a.Key == "href" {
isLink = true
}
attrs = append(attrs, a)
}
}
if isLink {
attrs = append(attrs, html.Attribute{
Key: "target",
Val: "_blank",
})
}
t.Attr = attrs
}
func swapBrackets(token html.Token) string {
t := token.String()
t = strings.Replace(t, "<", "<", 1)
return strings.Replace(t, ">", ">", 1)
}
