| Google | domain | If this is unset then you must whitelist individual email addresses using `users_whitelist`. |
| Github | organization | If this is unset then any GitHub user can obtain a token. The oauth client and secrets should be issued by the specified organization. |
| Github | organization | If this is unset then you must whitelist individual users using `users_whitelist`. The oauth client and secrets should be issued by the specified organization. |
