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SAML 2 NameID Attribute Definition

This does not define a <NameID> for use in the <Subject> of the assertion.

This attribute definition creates an attribute whose values are SAML 2 NameIDs.

1. Create the Definition

The definition is created with the element <resolver:AttributeDefinition xsi:type="SAML2NameID" xmlns="urn:mace:shibboleth:2.0:resolver:ad"> with the following required attributes:

  • id: A unique identifier used within the IdP's resolver and filter to reference this definition.
  • sourceAttributeID: The ID of an attribute to split with the regular expression. It must be supplied by a dependency.

and an optional attribute:

  • nameIdFormat: Becomes the Format attribute on the created SAML 2 <NameID> element. Defaults to urn:oasis:names:tc:SAML:1.1:nameid-format:unspecified.
  • nameIdQualifier: Becomes the NameQualifier attribute on the created SAML 2 <NameID> element. Defaults to the IdP's entity ID.
  • dependencyOnly: A boolean flag that indicates the attribute produced by this definition is used only by other resolver components and should never be released from the resolver. Defaults to false.
SAML 2 NameID Attribute Definition
<resolver:AttributeDefinition xsi:type="SAML2NameID" xmlns="urn:mace:shibboleth:2.0:resolver:ad"
                              id="UNIQUE_ID"
                              sourceAttributeID="ATTRIBUTE_ID">

     <!-- Remaining configuration from the next step goes here -->

</resolver:AttributeDefinition>

2. Define Dependencies

You must express, as a dependency, the attribute definition or data connector that produces the source attribute. Dependencies are declared using a <resolver:Dependency> with a ref attribute whose value is the unique ID of the dependent attribute definition or the data connector.

SAML 2 NameID Attribute Definition with Dependencies
<resolver:AttributeDefinition xsi:type="SAML2NameID" xmlns="urn:mace:shibboleth:2.0:resolver:ad"
                              id="UNIQUE_ID"
                              sourceAttributeID="ATTRIBUTE_ID">

     <resolver:Dependency ref="DEFINITION_ID_1" />

</resolver:AttributeDefinition>
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