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44 lines
1.5 KiB
44 lines
1.5 KiB
2 years ago
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import { getPageData } from "utils/api"
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import { parseCookies } from "utils/parse-cookies"
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const preview = async (req, res) => {
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// Check the secret and next parameters
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// This secret should only be known to this API route and the CMS
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if (req.query.secret !== (process.env.PREVIEW_SECRET || "secret-token")) {
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return res.status(401).json({ message: "Invalid token" })
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}
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const cookies = parseCookies(req)
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const slugArray = req.query.slug.split("/")
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// Fetch the headless CMS to check if the provided `slug` exists
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const pageData = await getPageData({
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locale,
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slug: slugArray.join("/"),
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preview: true,
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})
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// If the slug doesn't exist prevent preview mode from being enabled
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if (!pageData) {
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return res.status(401).json({ message: "Invalid slug" })
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}
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// Enable Preview Mode by setting the cookies
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res.setPreviewData({})
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// Redirect to the path from the fetched post
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// We don't redirect to req.query.slug as that might lead to open redirect vulnerabilities
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// Prefix with locale so previews are available in all languages
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res.writeHead(307, {
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Location: `/${pageData.locale}/${pageData.slug}`,
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})
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res.end()
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}
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export default preview
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// You can view Preview pages with URLs like this:
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// http://localhost:3000/api/preview?secret=<preview-secret>&slug=<slug>
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// where <preview-secret> is the secret token defined in your .env config
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// and where <slug> is the slug you entered in Strapi for your page
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// The slug must match the current locale
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