| import { getPreviewPostBySlug } from "@lib/api"; | |
| export default async function preview(req, res) { | |
| const { secret, slug } = req.query; | |
| if (secret !== process.env.DOTCMS_PREVIEW_SECRET || !slug) { | |
| return res.status(401).json({ message: "Invalid token" }); | |
| } | |
| // Fetch the headless CMS to check if the provided `slug` exists | |
| const post = await getPreviewPostBySlug(slug, true); | |
| // If the slug doesn't exist prevent preview mode from being enabled | |
| if (Object.keys(post.post).length < 1) { | |
| return res.status(401).json({ message: "Invalid slug" }); | |
| } | |
| // Enable Draft Mode by setting the cookie | |
| res.setDraftMode({ enable: true }); | |
| // Redirect to the path from the fetched post | |
| const url = `/posts/${post.post.urlTitle}`; | |
| res.setHeader("Content-Type", "text/html"); | |
| res.write( | |
| `<!DOCTYPE html><html><head><meta http-equiv="Refresh" content="0; url=${url}" /> | |
| <script>window.location.href = '${url}'</script> | |
| </head> | |
| </html>`, | |
| ); | |
| res.end(); | |
| } | |