org.springframework.security.ldap.authentication

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Java Source Code / Java Documentation  » Security » spring security 3.0.1 » org.springframework.security.ldap.authentication 
org.springframework.security.ldap.authentication

The LDAP authentication provider package. Interfaces are provided for both authentication and retrieval of user roles from an LDAP server.

The main provider class is LdapAuthenticationProvider. This is configured with an LdapAuthenticator instance and an LdapAuthoritiesPopulator. The latter is used to obtain the list of roles for the user.

Java Source File NameTypeComment
AbstractLdapAuthenticator.javaClass Base class for the authenticator implementations.
BindAuthenticator.javaClass An authenticator which binds as a user.
LdapAuthenticationProvider.javaClass An org.springframework.security.authentication.AuthenticationProvider implementation that authenticates against an LDAP server.

There are many ways in which an LDAP directory can be configured so this class delegates most of its responsibilities to two separate strategy interfaces, LdapAuthenticator and LdapAuthoritiesPopulator .

LdapAuthenticator

This interface is responsible for performing the user authentication and retrieving the user's information from the directory.
LdapAuthenticator.javaInterface The strategy interface for locating and authenticating an Ldap user.
NullLdapAuthoritiesPopulator.javaClass
PasswordComparisonAuthenticator.javaClass An org.springframework.security.ldap.authentication.LdapAuthenticator LdapAuthenticator which compares the login password with the value stored in the directory using a remote LDAP "compare" operation.

If passwords are stored in digest form in the repository, then a suitable PasswordEncoder implementation must be supplied.

SpringSecurityAuthenticationSource.javaClass An AuthenticationSource to retrieve authentication information stored in Spring Security's SecurityContextHolder .
UserDetailsServiceLdapAuthoritiesPopulator.javaClass Simple LdapAuthoritiesPopulator which delegates to a UserDetailsService, using the name which was supplied at login as the username.
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