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15.4. Identity Management
Identity Management provides a standard API for managing a Seam application's users and roles, regardless of the identity store (database, LDAP, etc.) used in back-end operations. The
identityManager component is at the core of the Identity Management API, and provides all methods for creating, modifying, and deleting users, granting and revoking roles, changing passwords, enabling and disabling user accounts, authenticating users, and listing users and roles.
Before use, the
identityManager must be configured with at least one IdentityStore. These components interact with the back-end security provider.
15.4.1. Configuring IdentityManager
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The
identityManager component allows you to configure separate identity stores for authentication and authorization. This means that users can be authenticated against one identity store (for example, an LDAP directory), but have their roles loaded from another identity store (such as a relational database).
Seam provides two
IdentityStore implementations out of the box. The default, JpaIdentityStore, uses a relational database to store user and role information. The other implementation is LdapIdentityStore, which uses an LDAP directory to store users and roles.
The
identityManager component has two configurable properties: identityStore and roleIndentityStore. The value for these properties must be an EL expression that refers to a Seam component with the IdentityStore interface. If left unconfigured, the default (JpaIdentityStore) will be used. If only the identityStore property is configured, the same value will be used for roleIdentityStore. For example, the following entry in components.xml will configure identityManager to use an LdapIdentityStore for both user-related and role-related operations:
<security:identity-manager identity-store="#{ldapIdentityStore}"/>
<security:identity-manager identity-store="#{ldapIdentityStore}"/>
The following example configures
identityManager to use an LdapIdentityStore for user-related operations, and JpaIdentityStore for role-related operations:
<security:identity-manager identity-store="#{ldapIdentityStore}"
role-identity-store="#{jpaIdentityStore}"/>
<security:identity-manager identity-store="#{ldapIdentityStore}"
role-identity-store="#{jpaIdentityStore}"/>
The following sections explain each identity storage method in greater detail.
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