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https://github.com/go-gitea/gitea
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Use media links for img in post-process (#10515)
* use media links for img in post-process * do not visit text of anchors
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@ -290,7 +290,7 @@ func (ctx *postProcessCtx) postProcess(rawHTML []byte) ([]byte, error) {
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}
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for _, node := range nodes {
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ctx.visitNode(node)
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ctx.visitNode(node, true)
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}
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// Create buffer in which the data will be placed again. We know that the
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@ -313,7 +313,7 @@ func (ctx *postProcessCtx) postProcess(rawHTML []byte) ([]byte, error) {
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return res, nil
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}
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func (ctx *postProcessCtx) visitNode(node *html.Node) {
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func (ctx *postProcessCtx) visitNode(node *html.Node, visitText bool) {
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// Add user-content- to IDs if they don't already have them
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for idx, attr := range node.Attr {
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if attr.Key == "id" && !(strings.HasPrefix(attr.Val, "user-content-") || blackfridayExtRegex.MatchString(attr.Val)) {
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@ -323,13 +323,37 @@ func (ctx *postProcessCtx) visitNode(node *html.Node) {
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// We ignore code, pre and already generated links.
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switch node.Type {
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case html.TextNode:
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ctx.textNode(node)
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if visitText {
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ctx.textNode(node)
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}
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case html.ElementNode:
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if node.Data == "a" || node.Data == "code" || node.Data == "pre" {
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if node.Data == "img" {
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attrs := node.Attr
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for idx, attr := range attrs {
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if attr.Key != "src" {
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continue
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}
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link := []byte(attr.Val)
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if len(link) > 0 && !IsLink(link) {
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prefix := ctx.urlPrefix
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if ctx.isWikiMarkdown {
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prefix = util.URLJoin(prefix, "wiki", "raw")
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}
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prefix = strings.Replace(prefix, "/src/", "/media/", 1)
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lnk := string(link)
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lnk = util.URLJoin(prefix, lnk)
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link = []byte(lnk)
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}
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node.Attr[idx].Val = string(link)
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}
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} else if node.Data == "a" {
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visitText = false
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} else if node.Data == "code" || node.Data == "pre" {
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return
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}
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for n := node.FirstChild; n != nil; n = n.NextSibling {
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ctx.visitNode(n)
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ctx.visitNode(n, visitText)
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}
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}
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// ignore everything else
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