Support ADC for Google Workspace (dwd/no-dwd) #240
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This commit adds support for authenticating to the Google Workspace Directory API through [Application Default Credentials](https://cloud.google.com/docs/authentication/application-default-credentials). ADC is assumed if `ServiceAccount` is left empty. Authentication can be performed through domain-wide delegation of authority by impersonating a workspace user, or directly by granting the service account the necessary admin roles. See the [docs](https://cloud.google.com/identity/docs/how-to/setup#auth-no-dwd) for authenticating as a service account without domain-wide delegation of authority. This commit introduces a new config field, `ImpersonatePrincipal`. This field is used as a target service account to create a signed JWT for the Workspace user to impersonate. This is useful in a scenario where you are doing ADC with [External Account Credentials](https://google.aip.dev/auth/4117) but still need to impersonate a Workspace user through DWDoA. Since you don't have access to the service account's private key, you need an extra hop to the Service Account Credentials API to generate the signed JWT.
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Thanks, @torfjor! I'm having a look at this. Would you mind opening a PR for the documentation on the Vault repo? Thanks! |
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Thanks, @torfjor |
austingebauer
approved these changes
Jul 3, 2023
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Overview
This commit adds support for authenticating to the Google Workspace Directory API through Application Default Credentials. ADC is assumed if
ServiceAccountis left empty.Authentication can be performed through domain-wide delegation of authority by impersonating a workspace user, or directly by granting the service account the necessary admin roles.
See the docs for authenticating as a service account without domain-wide delegation of authority.
This commit introduces a new config field,
ImpersonatePrincipal. This field is used as a target service account to create a signed JWT for the Workspace user to impersonate. This is useful in a scenario where you are doing ADC with External Account Credentials but still need to impersonate a Workspace user through DWDoA. Since you don't have access to the service account's private key, you need an extra hop to the Service Account Credentials API to generate the signed JWT.Related Issues/Pull Requests
Contributor Checklist
Docs commit