カスタムのauthenticationFilter(AUTHENTICATION_PROCESSING_FILTERを拡張)とauthenticationProviderを使用したsecurityContext.xml構成ファイルの例を次に示します。ユーザー認証データは、jdbc 接続によって提供されます。構成はSpring Security 2.0.x用です
<?xml version="1.0" encoding="UTF-8"?>
<sec:global-method-security />
<sec:http auto-config="false" realm="CUSTOM" create-session="always" servlet-api-provision="true"
entry-point-ref="authenticationProcessingFilterEntryPoint" access-denied-page="/notauthorized.xhtml"
session-fixation-protection="migrateSession">
<sec:port-mappings>
<sec:port-mapping http="80" https="443" />
</sec:port-mappings>
<sec:anonymous granted-authority="ROLE_ANONYMOUS" username="Anonymous" />
<sec:intercept-url pattern="/**" access="ROLE_ANONYMOUS, ROLE_USER" />
<sec:logout logout-url="/logoff" logout-success-url="/home.xhtml" invalidate-session="false" />
</sec:http>
<bean id="authenticationProcessingFilterEntryPoint" class="org.springframework.security.ui.webapp.AuthenticationProcessingFilterEntryPoint">
<property name="loginFormUrl" value="/login.xhtml" />
<property name="forceHttps" value="false" />
</bean>
<bean id="authenticationProcessingFilter" class="mypackage.CustomAuthenticationProcessingFilter">
<sec:custom-filter position="AUTHENTICATION_PROCESSING_FILTER" />
<property name="defaultTargetUrl" value="/" />
<property name="filterProcessesUrl" value="/logon" />
<property name="authenticationFailureUrl" value="/loginError.xhtml" />
<property name="alwaysUseDefaultTargetUrl" value="false" />
<property name="authenticationManager" ref="authenticationManager" />
</bean>
<jee:jndi-lookup id="securityDataSource" jndi-name="jdbc/DB_DS" />
<bean id="myUserDetailsService" class="mypackage.CustomJdbcDaoImpl">
<property name="dataSource" ref="securityDataSource" />
<property name="rolePrefix" value="ROLE_" />
</bean>
<bean id="apcAuthenticationProvider" class="mypackage.CustomDaoAuthenticationProvider">
<property name="userDetailsService" ref="myUserDetailsService" />
<sec:custom-authentication-provider />
</bean>
<bean id="authenticationManager" class="org.springframework.security.providers.ProviderManager">
<property name="providers">
<list>
<ref local="apcAuthenticationProvider" />
</list>
</property>
</bean>
</beans>