README

Google Workspace login for the Magento 2 admin panel.

A thin Google provider plugin for the provider-agnostic admin-sso capability. It supplies the Google OIDC preset — a fixed discovery URL, default scopes, optional hosted-domain restriction, login-button branding — while all OIDC protocol lives in sso-core and all admin logic in admin-sso. Installing it pulls admin-sso and sso-core automatically.

Installation

composer require magedevgroup/module-admin-sso-google
bin/magento module:enable MageDevGroup_SsoCore MageDevGroup_AdminSso MageDevGroup_AdminSsoGoogle
bin/magento setup:upgrade

Create the Google OAuth 2.0 client

In the Google Cloud Console → APIs & Services → Credentials:

Create credentials → OAuth client ID, application type Web application.
Authorized redirect URI — the admin-sso callback: https://<admin-host>/<admin-path>/adminsso/sso/callback (<admin-path> is the backend frontName, default admin). It must match the admin URL used at runtime exactly.
Create, then copy the Client ID and Client secret.

No discovery/tenant configuration is needed — Google exposes a single, tenant-independent OIDC discovery document (https://accounts.google.com/.well-known/openid-configuration).

Configuration

Admin → Stores → Configuration → MageDevGroup → Admin SSO.

General (magedevgroup_admin_sso/general/*):

Field	Value
Enable Admin SSO	Yes
Identity Provider	Google Workspace
Client ID	from the Google OAuth client
Client Secret	from the Google OAuth client

Google Workspace (magedevgroup_admin_sso/google/*, shown when Google is selected):

Field	Value
Allowed Workspace Domain	optional; restrict sign-in to one Workspace domain, e.g. `example.com`

When Allowed Workspace Domain is set, sign-in is enforced against Google's hd (hosted-domain) claim: accounts outside the domain — including personal Google accounts, which carry no hd — are rejected on callback. Leave it empty to allow any Google account.

Enforce-SSO/break-glass are configured in admin-sso; see that module's README.

No groups in the Google token — role mapping limitation

Google Workspace does not include group membership in the OIDC ID token. There is no groups claim over standard OIDC, so admin-sso's group → ACL-role mapping cannot resolve from a Google login: a provisioned admin falls back to the default role configured in admin-sso. The practical Google control is who may sign in (the Allowed Workspace Domain above), not what role they get.

Fetching group memberships would require the Google Admin SDK Directory API (a service account with domain-wide delegation) — out of scope for v1.

Requirements

Magento 2.4.x
PHP 8.3 – 8.5

Part of the MageDevGroup identity suite

Repo	Role
`sso-core`	Shared OIDC engine (installed automatically)
`admin-sso` · `admin-sso-<idp>`	Admin-panel SSO login
`customer-sso` · `customer-sso-<idp>`	Storefront SSO login
`admin-scim` · `admin-scim-<idp>`	Admin-user provisioning (SCIM 2.0)

magedevgroup / module-admin-sso-google

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