Cloudflare Access

https://dev.classmethod.jp/articles/use-service-tokens-to-authenticate-cloudflare-access-from-my-application/

https://cloud.google.com/identity-platform/docs/web/chrome-extension?hl=ja

Hono OIDC（有力）

https://www.npmjs.com/package/@hono/oidc-auth

https://hono.dev/docs/middleware/third-party

https://github.com/honojs/middleware/tree/main/packages/oidc-auth

https://hnw.hatenablog.com/entry/2024/02/26/032539

OIDC Lgoto

https://blog.logto.io/ja/monetize-chrome-extension-with-oidc-auth

OAuthとOIDC

https://solution.kamome-e.com/blog/archive/blog-auth-20221108/