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carbon/api/handlers/oembed.js

45 lines
1014 B
JavaScript

/*
* See oEmbed standard here: https://oembed.com/
*/
const url = require('url')
const toIFrame = (url, width, height) =>
`<iframe
src="https://carbon.now.sh/embed${url}"
style="transform:scale(0.7); width:${width}px; height:${height}px; border:0; overflow:hidden;"
sandbox="allow-scripts allow-same-origin">
</iframe>
`
module.exports = (req, res) => {
let embedUrl = req.query.url
try {
embedUrl = decodeURIComponent(req.query.url)
} catch (e) {
// eslint-disable-next-line
console.log(e)
/* URL is already decoded */
}
try {
const { query } = url.parse(embedUrl)
const width = Math.min(Number(req.query.maxwidth) || Infinity, 1024)
const height = Math.min(Number(req.query.maxheight) || Infinity, 473)
const obj = {
version: '1.0',
type: 'rich',
provider_name: 'Carbon',
width,
height,
html: toIFrame(`?${query}`, width, height)
}
return res.json(obj)
} catch (e) {
return res.status(500).send()
}
}