PeerTube/shared/core-utils/renderer/html.ts

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export function getSanitizeOptions () {
return {
allowedTags: [ 'a', 'p', 'span', 'br', 'strong', 'em', 'ul', 'ol', 'li' ],
allowedSchemes: [ 'http', 'https' ],
allowedAttributes: {
'a': [ 'href', 'class', 'target', 'rel' ],
'*': [ 'data-*' ]
},
transformTags: {
a: (tagName: string, attribs: any) => {
let rel = 'noopener noreferrer'
if (attribs.rel === 'me') rel += ' me'
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return {
tagName,
attribs: Object.assign(attribs, {
target: '_blank',
rel
})
}
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}
}
}
}
export function getCustomMarkupSanitizeOptions (additionalAllowedTags: string[] = []) {
const base = getSanitizeOptions()
return {
allowedTags: [
...base.allowedTags,
...additionalAllowedTags,
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'div', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'img'
],
allowedSchemes: base.allowedSchemes,
allowedAttributes: {
...base.allowedAttributes,
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'img': [ 'src', 'alt' ],
'*': [ 'data-*', 'style' ]
}
}
}
// Thanks: https://stackoverflow.com/a/12034334
export function escapeHTML (stringParam: string) {
if (!stringParam) return ''
const entityMap = {
'&': '&',
'<': '&lt;',
'>': '&gt;',
'"': '&quot;',
'\'': '&#39;',
'/': '&#x2F;',
'`': '&#x60;',
'=': '&#x3D;'
}
return String(stringParam).replace(/[&<>"'`=/]/g, s => entityMap[s])
}