Add support for custom JWT claims

[giceratops]

Add support for custom JWT claims.

This allows adding additional claims to the JWT generated by Convex Auth.

To add some context on the use case. This make it possible to verify and use claims in the auth middleware, or other services.

// middleware.ts

import { convexAuthNextjsMiddleware } from "@convex-dev/auth/nextjs/server";
import { jwtVerify } from "jose";
import { NextResponse } from "next/server";

export default convexAuthNextjsMiddleware(async (request, { convexAuth }) => {
  const token = await convexAuth.getToken()
  if (token) {
    const { payload } = await jwtVerify(
      token,
      pubKey, // jwks
      { issuer: "..." } // convex site url
    )
    // use payload...
  }

  return NextResponse.next()
});

export const config = {
  // The following matcher runs middleware on all routes
  // except static assets.
  matcher: [
    "/((?!.*\\..*|_next).*)",
    "/",
    "/(api|trpc)(.*)",
  ],
};

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Name	Status	Preview	Updated (UTC)
convex-auth-docs	✅ Ready (Inspect)	Visit Preview	Apr 11, 2025 0:41am