Document that the Google OpenID auth backend matches users by their (mutable) email#68391
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Document that the Google OpenID auth backend matches users by their (mutable) email#68391potiuk wants to merge 1 commit into
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…mutable) email Generated-by: Claude Opus 4.8 (1M context) following the guidelines at https://github.com/apache/airflow/blob/main/contributing-docs/05_pull_requests.rst#gen-ai-assisted-contributions
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The Google OpenID API auth backend (
airflow.providers.google.common.auth_backend.google_openid) authenticates a request by matching the verifiedemailclaim of the Google ID token against an existing Airflow user, and does not consult the immutablesubclaim. Because email addresses are mutable (corporate reassignment, domain recycling), this documents that the email-to-user mapping is part of the deployment's identity lifecycle:google_oauth2_audienceto your own deployment keeps tokens minted for unrelated audiences out of scope.Docs-only change to the existing
google-openid.rst(this backend is an Airflow 2.x mechanism).Was generative AI tooling used to co-author this PR?
Generated-by: Claude Opus 4.8 (1M context) following the guidelines at
https://github.com/apache/airflow/blob/main/contributing-docs/05_pull_requests.rst#gen-ai-assisted-contributions