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Prefix all user-generated IDs in markup (#9477)

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* Prefix all user-generated IDs in markup
* Add user-content- to IDs in unit-tests
* fixup markdown_test.go
* update the hrefs for the wiki test
* Add blackfriday extension regex

Signed-off-by: jolheiser <john.olheiser@gmail.com>
This commit is contained in:
John Olheiser 2019-12-23 16:38:50 -06:00 committed by zeripath
parent 071e7c4f0a
commit e6ceb6880a
5 changed files with 24 additions and 24 deletions
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9
modules/markup/html.go
View File

@ -58,6 +58,9 @@ var (
emailRegex = regexp.MustCompile("(?:\\s|^|\\(|\\[)([a-zA-Z0-9.!#$%&'*+\\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\\.[a-zA-Z0-9]{2,}(?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)+)(?:\\s|$|\\)|\\]|\\.(\\s|$))")
linkRegex, _ = xurls.StrictMatchingScheme("https?://")
// blackfriday extensions create IDs like fn:user-content-footnote
blackfridayExtRegex = regexp.MustCompile(`[^:]*:user-content-`)
)
// CSS class for action keywords (e.g. "closes: #1")
@ -312,6 +315,12 @@ func (ctx *postProcessCtx) postProcess(rawHTML []byte) ([]byte, error) {
}
func (ctx *postProcessCtx) visitNode(node *html.Node) {
// Add user-content- to IDs if they don't already have them
for idx, attr := range node.Attr {
if attr.Key == "id" && !(strings.HasPrefix(attr.Val, "user-content-") || blackfridayExtRegex.MatchString(attr.Val)) {
node.Attr[idx].Val = "user-content-" + attr.Val
}
}
// We ignore code, pre and already generated links.
switch node.Type {
case html.TextNode:

2
modules/markup/markdown/markdown.go
View File

@ -147,6 +147,8 @@ func RenderRaw(body []byte, urlPrefix string, wikiMarkdown bool) []byte {
renderer := &Renderer{
Renderer: blackfriday.NewHTMLRenderer(blackfriday.HTMLRendererParameters{
Flags: blackfridayHTMLFlags,
FootnoteAnchorPrefix: "user-content-",
HeadingIDPrefix: "user-content-",
}),
URLPrefix: urlPrefix,
IsWiki: wikiMarkdown,

16
modules/markup/markdown/markdown_test.go
View File

@ -116,11 +116,11 @@ func testAnswers(baseURLContent, baseURLImages string) []string {
<li><a href="` + baseURLContent + `/plot_var_example" rel="nofollow">Plot var helper</a></li>
</ul>
`,
`<h2 id="what-is-wine-staging">What is Wine Staging?</h2>
`<h2 id="user-content-what-is-wine-staging">What is Wine Staging?</h2>
<p><strong>Wine Staging</strong> on website <a href="http://wine-staging.com" rel="nofollow">wine-staging.com</a>.</p>
<h2 id="quick-links">Quick Links</h2>
<h2 id="user-content-quick-links">Quick Links</h2>
<p>Here are some links to the most important topics. You can find the full list of pages at the sidebar.</p>
@ -149,11 +149,11 @@ func testAnswers(baseURLContent, baseURLImages string) []string {
<a href="` + baseURLImages + `/images/2.png" rel="nofollow"><img src="` + baseURLImages + `/images/2.png" title="2.png" alt="images/2.png"/></a></li>
</ol>
<h2 id="custom-id">More tests</h2>
<h2 id="user-content-custom-id">More tests</h2>
<p>(from <a href="https://www.markdownguide.org/extended-syntax/" rel="nofollow">https://www.markdownguide.org/extended-syntax/</a>)</p>
<h3 id="definition-list">Definition list</h3>
<h3 id="user-content-definition-list">Definition list</h3>
<dl>
<dt>First Term</dt>
@ -163,18 +163,18 @@ func testAnswers(baseURLContent, baseURLImages string) []string {
<dd>This is another definition of the second term.</dd>
</dl>
<h3 id="footnotes">Footnotes</h3>
<h3 id="user-content-footnotes">Footnotes</h3>
<p>Here is a simple footnote,<sup id="fnref:1"><a href="#fn:1" rel="nofollow">1</a></sup> and here is a longer one.<sup id="fnref:bignote"><a href="#fn:bignote" rel="nofollow">2</a></sup></p>
<p>Here is a simple footnote,<sup id="fnref:user-content-1"><a href="#fn:user-content-1" rel="nofollow">1</a></sup> and here is a longer one.<sup id="fnref:user-content-bignote"><a href="#fn:user-content-bignote" rel="nofollow">2</a></sup></p>
<div>
<hr/>
<ol>
<li id="fn:1">This is the first footnote.</li>
<li id="fn:user-content-1">This is the first footnote.</li>
<li id="fn:bignote"><p>Here is one with multiple paragraphs and code.</p>
<li id="fn:user-content-bignote"><p>Here is one with multiple paragraphs and code.</p>
<p>Indent paragraphs to include them in the footnote.</p>

4
routers/api/v1/misc/markdown_test.go
View File

@ -87,11 +87,11 @@ Here are some links to the most important topics. You can find the full list of
[[images/icon-bug.png]]
`,
// rendered
`<h2 id="what-is-wine-staging">What is Wine Staging?</h2>
`<h2 id="user-content-what-is-wine-staging">What is Wine Staging?</h2>
<p><strong>Wine Staging</strong> on website <a href="http://wine-staging.com" rel="nofollow">wine-staging.com</a>.</p>
<h2 id="quick-links">Quick Links</h2>
<h2 id="user-content-quick-links">Quick Links</h2>
<p>Here are some links to the most important topics. You can find the full list of pages at the sidebar.</p>

15
web_src/js/index.js
View File

@ -2472,21 +2472,10 @@ $(document).ready(() => {
// Set anchor.
$('.markdown').each(function () {
const headers = {};
$(this).find('h1, h2, h3, h4, h5, h6').each(function () {
let node = $(this);
const val = encodeURIComponent(node.text().toLowerCase().replace(/[^\u00C0-\u1FFF\u2C00-\uD7FF\w\- ]/g, '').replace(/[ ]/g, '-'));
let name = val;
if (headers[val] > 0) {
name = `${val}-${headers[val]}`;
}
if (headers[val] === undefined) {
headers[val] = 1;
} else {
headers[val] += 1;
}
node = node.wrap(`<div id="${name}" class="anchor-wrap" ></div>`);
node.append(`<a class="anchor" href="#${name}"><span class="octicon octicon-link"></span></a>`);
node = node.wrap('<div class="anchor-wrap"></div>');
node.append(`<a class="anchor" href="#${encodeURIComponent(node.attr('id'))}"><span class="octicon octicon-link"></span></a>`);
});
});