auth_google.pl -- Enable login with Google

This module allows for configures login with Google. To enable this module:

1. Follow these steps to create a Google project and get
   • A client ID
   • A client secret
   • Register a redirect url. To test from localhost, this should be `http://localhost:3050/oauth2/google/reply`
2. COPY this file to config-enabled
3. EDIT the following server attributes (near the end of this file)
   • redirect_uri: the location of your swish server.
   • client_id: the client id you obtained from Google.
   • client_secret: the client secret you obtained from Google.

 oauth2:login(+Request, +ServerID, +TokenInfo)[multifile]

Called after the identity provider behind ServerID verified the user's identity. Now we have several options. If we do not have our own user admin, we associate the session with the user and we are done. If we have our own admin we have to check with our profile database. For new users we may wish to complete the profile. We may want to reject banned users or users that do not wish to complete their profile.

 swish_config:user_info(+Request, ?Server, -Info:dict) is semidet[multifile]

True if Info represents describes the currently logged in user.

 oauth2:server_attribute(?ServerID, ?Attribute, ?Value)[multifile]

Declare properties of an oauth2 identity provider. The values below are for a Unity server.

See also

- swish(lib/oauth2) for a description of the attributes.