minor changes pt.2

src/pages/api/validate.ts

@@ -0,0 +1,29 @@
+import type { NextApiRequest, NextApiResponse } from 'next'
+
+export default async function handler(
+  req: NextApiRequest,
+  res: NextApiResponse
+) {
+  const { link } = req.query as { link: string }
+  let MissingParam: string | null = null
+  if (!link) {
+    MissingParam = 'link'
+  }
+
+  if (MissingParam) {
+    return res.status(400).json({ error: `Hiányzó paraméter: ${MissingParam}` })
+  }
+
+  const domain = link.split('/')[2]
+  if (domain !== 'dload-oktatas.educatio.hu') {
+    return res.status(400).json({ error: 'Érvénytelen link' })
+  }
+
+  try {
+    const response = await fetch(link, { method: 'HEAD' })
+    const status = response.status
+    res.status(200).json({ status })
+  } catch (error) {
+    res.status(500).json({ error: 'Hiányzó paraméterek:' })
+  }
+}