Пример Spring Security 3 с клиентом AbstractAuthenticationProcessingFilter и пользовательским AbstractUserDetailsAuthenticationProvider

Question

Я пытаюсь реализовать пользовательские AbstractAuthenticationProcessingFilter, AbstractUserDetailsAuthenticationProvider и AbstractAuthenticationToken с помощью Spring Security 3. Я не могу найти хороший пример, есть предложения, где его найти? У меня проблемы с конфигурацией, а не с подклассами. У меня работает логин на основе формы, но я пытаюсь добавить пользовательскую аутентификацию на основе сообщения XML с внешнего веб-сайта. Есть примеры или идеи?

beans.xml

<beans>
<bean id="xmlAuthenticationFilter" class="com.dc.api.service.impl.XMLAuthenticationFilter"/>
    <bean id="xmlAuthenticationProvider" class="com.dc.api.service.impl.XMLAuthenticationProvider"/>
</beans>

security.xml:

<?xml version="1.0" encoding="UTF-8"?>
<beans:beans
    xmlns="http://www.springframework.org/schema/security"
    xmlns:beans="http://www.springframework.org/schema/beans"
    xmlns:util="http://www.springframework.org/schema/util"
    xmlns:context="http://www.springframework.org/schema/context"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://www.springframework.org/schema/beans
    http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
    http://www.springframework.org/schema/util
    http://www.springframework.org/schema/util/spring-util-3.0.xsd
    http://www.springframework.org/schema/security
    http://www.springframework.org/schema/security/spring-security-3.1.xsd
    http://www.springframework.org/schema/context
    http://www.springframework.org/schema/context/spring-context-3.0.xsd">
    <context:annotation-config />
    <context:component-scan base-package="dc" />
    <global-method-security />
    <http security="none" pattern="/javax.faces.resource/**" />
    <http security="none" pattern="/services/rest-api/1.0/**" />
    <http security="none" pattern="/preregistered/*" />
    <http access-denied-page="/auth/denied.html">
        <intercept-url
            pattern="/**/*.xhtml"
            access="ROLE_NONE_GETS_ACCESS" />
        <intercept-url
            pattern="/auth/**"
            access="ROLE_ANONYMOUS,ROLE_USER" />
         <intercept-url
            pattern="/auth/*"
            access="ROLE_ANONYMOUS" />
         <intercept-url
            pattern="/registered/*"
            access="ROLE_USER" />
          <intercept-url
            pattern="/*"
           access="ROLE_ANONYMOUS" />
        <form-login
            login-processing-url="/j_spring_security_check.html"
            login-page="/auth/login.html"
            default-target-url="/registered/home.html"
            authentication-failure-url="/auth/login.html" />
         <logout invalidate-session="true" 
              logout-success-url="/" 
              logout-url="/auth/logout.html"/>
        <anonymous username="guest" granted-authority="ROLE_ANONYMOUS"/>
        <remember-me user-service-ref="userManager" key="key value"/>
    </http>
    <http auto-config="true">
      <custom-filter after="FORM_LOGIN_FILTER" ref="xmlAuthenticationFilter"/>
    </http>
    <!-- Configure the authentication provider -->
    <authentication-manager alias="am">
        <authentication-provider user-service-ref="userManager">
                <password-encoder ref="passwordEncoder" />
        </authentication-provider>
        <authentication-provider ref="xmlAuthenticationProvider" />
    </authentication-manager>
</beans:beans>

web.xml:

    <?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" version="2.5">
  <context-param>
    <param-name>javax.faces.FACELETS_LIBRARIES</param-name>
    <param-value>/WEB-INF/facelet/dc.taglib.xml</param-value>
  </context-param>
  <context-param>
    <param-name>contextConfigLocation</param-name>
    <param-value>
    WEB-INF/dc-context-api.xml
    WEB-INF/dc-context-security.xml
    </param-value>
  </context-param>
  <context-param>
    <param-name>resteasy.resource.method-interceptors</param-name>
    <param-value>org.jboss.resteasy.core.ResourceMethodSecurityInterceptor</param-value>
  </context-param>
  <context-param>
    <param-name>resteasy.resources</param-name>
    <param-value>
     com.dc.web.actions.GlobalWebService</param-value>
  </context-param>
  <context-param>
    <param-name>resteasy.servlet.mapping.prefix</param-name>
    <param-value>/services/rest-api</param-value>
  </context-param>
  <context-param>
    <param-name>resteasy.media.type.mappings</param-name>
    <param-value>json : application/json, xml : application/xml</param-value>
  </context-param>
  <context-param>
    <param-name>resteasy.resources</param-name>
    <param-value>
        com.dc.web.api.DreamWebService
    </param-value>
  </context-param>
  <context-param>
    <param-name>primefaces.THEME</param-name>
    <param-value>none</param-value>
  </context-param>
  <context-param>
    <param-name>log4jConfigLocation</param-name>
    <param-value>/WEB-INF/log4j.properties</param-value>
    </context-param>
     <context-param>
    <param-name>log4jRefreshInterval</param-name>
    <param-value>1000</param-value>
    </context-param>
  <filter> 
    <filter-name>PrimeFaces FileUpload Filter</filter-name> 
        <filter-class>org.primefaces.webapp.filter.FileUploadFilter </filter-class>
        <init-param> 
            <param-name>thresholdSize</param-name> <param-value>51200</param-value>
        </init-param> 
        <init-param>
            <param-name>uploadDirectory</param-name>
            <param-value>/var/www/dreamagain.principal.com/uploads</param-value> 
        </init-param>
    </filter>
  <filter-mapping>
    <filter-name>PrimeFaces FileUpload Filter</filter-name>
    <servlet-name>Faces Servlet</servlet-name>
  </filter-mapping>
  <filter>
    <filter-name>springSecurityFilterChain</filter-name>
    <filter-class>org.springframework.web.filter.DelegatingFilterProxy</filter-class>
  </filter>
  <filter-mapping>
    <filter-name>springSecurityFilterChain</filter-name>
    <url-pattern>*.html</url-pattern>
    <dispatcher>FORWARD</dispatcher>
    <dispatcher>REQUEST</dispatcher>
  </filter-mapping>
  <filter-mapping>
    <filter-name>springSecurityFilterChain</filter-name>
    <url-pattern>*.xhtml</url-pattern>
    <dispatcher>FORWARD</dispatcher>
    <dispatcher>REQUEST</dispatcher>
  </filter-mapping>
  <listener>
    <listener-class>org.jboss.resteasy.plugins.server.servlet.ResteasyBootstrap</listener-class>
  </listener>
  <listener>
    <listener-class>org.jboss.resteasy.plugins.spring.SpringContextLoaderListener</listener-class>
  </listener>
  <listener>
    <listener-class>org.springframework.web.context.request.RequestContextListener</listener-class>
  </listener>
  <listener>
    <listener-class>org.springframework.web.util.Log4jConfigListener</listener-class>
    </listener>
  <servlet>
    <servlet-name>Resteasy</servlet-name>
    <servlet-class>org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher</servlet-class>
  </servlet>
  <servlet>
    <servlet-name>Faces Servlet</servlet-name>
    <servlet-class>javax.faces.webapp.FacesServlet</servlet-class>
    <load-on-startup>1</load-on-startup>
  </servlet>
  <servlet-mapping>
    <servlet-name>Resteasy</servlet-name>
    <url-pattern>/services/rest-api/*</url-pattern>
  </servlet-mapping>
  <servlet-mapping>
    <servlet-name>Faces Servlet</servlet-name>
    <url-pattern>*.html</url-pattern>
  </servlet-mapping>
  <session-config>
    <session-timeout>30</session-timeout>
  </session-config>
  <welcome-file-list>
    <welcome-file>index.jsp</welcome-file>
    <welcome-file>index.html</welcome-file>
  </welcome-file-list>
  <login-config>
    <auth-method>BASIC</auth-method>
  </login-config>
</web-app>

Исключение:

SEVERE: Exception sending context initialized event to listener instance of class org.jboss.resteasy.plugins.spring.SpringContextLoaderListener
org.springframework.beans.factory.BeanDefinitionStoreException: Unexpected exception parsing XML document from ServletContext resource [/WEB-INF/dc-context-security.xml]; nested exception is java.lang.NullPointerException
    at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadBeanDefinitions(XmlBeanDefinitionReader.java:412)
    at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:334)
    at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:302)
    at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:143)
    at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:178)
    at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:149)
    at org.springframework.web.context.support.XmlWebApplicationContext.loadBeanDefinitions(XmlWebApplicationContext.java:124)
    at org.springframework.web.context.support.XmlWebApplicationContext.loadBeanDefinitions(XmlWebApplicationContext.java:93)
    at org.springframework.context.support.AbstractRefreshableApplicationContext.refreshBeanFactory(AbstractRefreshableApplicationContext.java:130)
    at org.springframework.context.support.AbstractApplicationContext.obtainFreshBeanFactory(AbstractApplicationContext.java:467)
    at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:397)
    at org.springframework.web.context.ContextLoader.createWebApplicationContext(ContextLoader.java:276)
    at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:197)
    at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:47)
    at org.jboss.resteasy.plugins.spring.SpringContextLoaderListener.contextInitialized(SpringContextLoaderListener.java:44)
    at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4521)
    at org.apache.catalina.core.StandardContext$1.call(StandardContext.java:5004)
    at org.apache.catalina.core.StandardContext$1.call(StandardContext.java:4999)
    at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
    at java.util.concurrent.FutureTask.run(FutureTask.java:138)
    at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
    at java.lang.Thread.run(Thread.java:680)
Caused by: java.lang.NullPointerException
    at org.springframework.security.config.http.HttpSecurityBeanDefinitionParser.registerFilterChainProxy(HttpSecurityBeanDefinitionParser.java:261)
    at org.springframework.security.config.http.HttpSecurityBeanDefinitionParser.parse(HttpSecurityBeanDefinitionParser.java:89)
    at org.springframework.security.config.SecurityNamespaceHandler.parse(SecurityNamespaceHandler.java:65)
    at org.springframework.beans.factory.xml.BeanDefinitionParserDelegate.parseCustomElement(BeanDefinitionParserDelegate.java:1335)
    at org.springframework.beans.factory.xml.BeanDefinitionParserDelegate.parseCustomElement(BeanDefinitionParserDelegate.java:1325)
    at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.parseBeanDefinitions(DefaultBeanDefinitionDocumentReader.java:135)
    at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.registerBeanDefinitions(DefaultBeanDefinitionDocumentReader.java:93)
    at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.registerBeanDefinitions(XmlBeanDefinitionReader.java:493)
    at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadBeanDefinitions(XmlBeanDefinitionReader.java:390)
    ... 22 more