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Securite/Linkwarden/lib/api/verifyToken.ts

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+import { NextApiRequest } from "next";
+import { JWT, getToken } from "next-auth/jwt";
+import { prisma } from "./db";
+
+type Props = {
+  req: NextApiRequest;
+};
+
+export default async function verifyToken({
+  req,
+}: Props): Promise<JWT | string> {
+  const token = await getToken({ req });
+  const userId = token?.id;
+
+  if (!userId) {
+    return "You must be logged in.";
+  }
+
+  if (token.exp < Date.now() / 1000) {
+    return "Your session has expired, please log in again.";
+  }
+
+  // check if token is revoked
+  const revoked = await prisma.accessToken.findFirst({
+    where: {
+      token: token.jti,
+      revoked: true,
+    },
+  });
+
+  if (revoked) {
+    return "Your session has expired, please log in again.";
+  }
+
+  return token;
+}