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Merge pull request #3560 from G-Ambatte/fixAttributeLeaking-#3559

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Limit htmlString to the first element ONLY
This commit is contained in:
Trevor Buckner
2024-07-06 18:01:26 -04:00
committed by GitHub
parent 1b96dae27f 0a199e750f
commit da1d08f8a9
2 changed files with 13 additions and 4 deletions
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10
shared/naturalcrit/markdown.js
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@@ -787,11 +787,13 @@ const processStyleTags = (string)=>{
};
};
//Given a string representing an HTML element, extract all of its properties (id, class, style, and other attributes)
const extractHTMLStyleTags = (htmlString)=>{
const id = htmlString.match(/id="([^"]*)"/)?.[1] || null;
const classes = htmlString.match(/class="([^"]*)"/)?.[1] || null;
const styles = htmlString.match(/style="([^"]*)"/)?.[1] || null;
const attributes = htmlString.match(/[a-zA-Z]+="[^"]*"/g)
const firstElementOnly = htmlString.split('>')[0];
const id = firstElementOnly.match(/id="([^"]*)"/)?.[1] || null;
const classes = firstElementOnly.match(/class="([^"]*)"/)?.[1] || null;
const styles = firstElementOnly.match(/style="([^"]*)"/)?.[1] || null;
const attributes = firstElementOnly.match(/[a-zA-Z]+="[^"]*"/g)
?.filter((attr)=>!attr.startsWith('class="') && !attr.startsWith('style="') && !attr.startsWith('id="'))
.reduce((obj, attr)=>{
const index = attr.indexOf('=');

7
tests/markdown/mustache-syntax.test.js
View File

@@ -333,6 +333,13 @@ describe('Injection: When an injection tag follows an element', ()=>{
expect(rendered, `Input:\n${source}`, { showPrefix: false }).toBe('<p><span class="inline-block" style="color:red;">text</span>{background:blue}</p>');
});
it('Renders an parent and child element, each modified by an injector', function() {
const source = dedent`**bolded text**{color:red}
{color:blue}`;
const rendered = Markdown.render(source).trimReturns();
expect(rendered, `Input:\n${source}`, { showPrefix: false }).toBe('<p style="color:blue;"><strong style="color:red;">bolded text</strong></p>');
});
it('Renders an image with added attributes', function() {
const source = `![homebrew mug](https://i.imgur.com/hMna6G0.png) {position:absolute,bottom:20px,left:130px,width:220px,a="b and c",d=e}`;
const rendered = Markdown.render(source).trimReturns();