Custom Authentication for Google Cloud Endpoints (instead of OAuth2)
问题 We are super excited about App Engine's support for Google Cloud Endpoints. That said we don't use OAuth2 yet and usually authenticate users with username/password so we can support customers that don't have Google accounts. We want to migrate our API over to Google Cloud Endpoints because of all the benefits we then get for free (API Console, Client Libraries, robustness, …) but our main question is … How to add custom authentication to cloud endpoints where we previously check for a valid