Add "extension" attribute validation to IdP SPs#129396
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elasticsearchmachine merged 2 commits intoelastic:8.19from Jun 16, 2025
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This extends the change from elastic#128176 to validate the "custom attributes" on a per Service Provider basis. Each Service Provider (whether registered or wildcard based) has a field "attributes.extensions" which is a list of attribute names that may be provided by the caller of "/_idp/saml/init". Service Providers that have not be configured with extension attributes will reject any custom attributes in SAML init. This necessitates a new field in the service provider index (but only if the new `extensions` attribute is set). The template has been updated, but there is no data migration because the `saml-service-provider` index does not exist in any of the environments into which we wish to deploy this change. Backport of: elastic#128805, elastic#129233
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This extends the change from #128176 (#128796) to validate the "custom attributes" on a per Service Provider basis.
Each Service Provider (whether registered or wildcard based) has a field "attributes.extensions" which is a list of attribute names that may be provided by the caller of "/_idp/saml/init".
Service Providers that have not be configured with extension attributes will reject any custom attributes in SAML init.
This necessitates a new field in the service provider index (but only if the new
extensionsattribute is set).The template has been updated, but there is no data migration because the
saml-service-providerindex does not exist in any of the environments into which we wish to deploy this change.Backport of: #128805, #129233