@nadeshikon/plugin-nextjs/demos/next-auth/pages/api/examples/protected.ts

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// This is an example of to protect an API route
import { getSession } from "next-auth/react"
import type { NextApiRequest, NextApiResponse } from "next"

const protectedContentExample =  async (req: NextApiRequest, res: NextApiResponse) => {
  const session = await getSession({ req })

  if (session) {
    res.send({
      content:
        "This is protected content. You can access this content because you are signed in.",
    })
  } else {
    res.send({
      error: "You must be signed in to view the protected content on this page.",
    })
  }
}

export default protectedContentExample;