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59 lines
1.3 KiB
JavaScript
59 lines
1.3 KiB
JavaScript
3 years ago
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/*
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* See oEmbed standard here: https://oembed.com/
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*/
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const url = require('url')
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const { send } = require('micro')
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const toIFrame = (url, width, height) =>
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`<iframe
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src="https://carbon.now.sh/embed${url}"
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width="${width}px"
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height="${height}px"
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style="width:${width}px; height:${height}px; border:0; overflow:auto;"
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sandbox="allow-scripts allow-same-origin"
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scrolling="auto">
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</iframe>
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`
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module.exports = (req, res) => {
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let embedUrl = req.query.url
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try {
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embedUrl = decodeURIComponent(embedUrl)
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} catch (e) {
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// eslint-disable-next-line
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console.log(e)
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/* URL is already decoded */
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}
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try {
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const { query: queryString, pathname } = url.parse(embedUrl)
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const snippetID = pathname.split('/').pop()
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const width = Math.min(Number(req.query.maxwidth) || Infinity, 1024)
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const height = Math.min(Number(req.query.maxheight) || Infinity, 480)
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const obj = {
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version: '1.0',
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type: 'rich',
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provider_name: 'Carbon',
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width,
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height,
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html: toIFrame(
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`${snippetID && snippetID !== 'undefined' ? `/${snippetID}` : ''}?${
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queryString ? queryString : ''
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}`,
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width,
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height
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)
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}
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return send(res, 200, obj)
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} catch (e) {
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// eslint-disable-next-line
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console.error(e)
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return send(res, 500, e.message)
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}
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}
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