wikijs-fork/server/modules/rendering/html-security/renderer.js

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const xss = require('xss')
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module.exports = {
async init(input, config) {
if (config.safeHTML) {
input = xss(input, {
whiteList: {
...xss.whiteList,
a: ['class', 'id', 'href', 'style', 'target', 'title'],
blockquote: ['class', 'id', 'style'],
code: ['class', 'style'],
div: ['class', 'id', 'style'],
em: ['class', 'style'],
h1: ['class', 'id', 'style'],
h2: ['class', 'id', 'style'],
h3: ['class', 'id', 'style'],
h4: ['class', 'id', 'style'],
h5: ['class', 'id', 'style'],
h6: ['class', 'id', 'style'],
img: ['alt', 'class', 'draggable', 'height', 'src', 'style', 'width'],
li: ['class', 'style'],
ol: ['class', 'style'],
p: ['class', 'style'],
path: ['d', 'style'],
pre: ['class', 'style'],
span: ['class', 'style'],
strong: ['class', 'style'],
svg: ['width', 'height', 'viewBox', 'preserveAspectRatio', 'style'],
table: ['border', 'class', 'id', 'style', 'width'],
tbody: ['class', 'style'],
td: ['align', 'class', 'colspan', 'rowspan', 'style', 'valign'],
th: ['align', 'class', 'colspan', 'rowspan', 'style', 'valign'],
thead: ['class', 'style'],
tr: ['class', 'rowspan', 'style', 'align', 'valign'],
ul: ['class', 'style']
},
css: false
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})
}
return input
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}
}