Reading Time: 2 minutesCustomAuthenticationFilter.java
public class CustomAuthenticationFilter extends
UsernamePasswordAuthenticationFilter {
@Autowired
private xxService xService;
static final Logger logger = Logger.getLogger(CustomAuthenticationFilter.class);
@Override
public Authentication attemptAuthentication(HttpServletRequest request,
HttpServletResponse response) throws AuthenticationException {
String username = request.getParameter(getUsernameParameter());
String password = request.getParameter(getPasswordParameter());
String server = request.getParameter("server");
if(username.trim().length() == 0 || password.trim().length() == 0){
logger.error("Error empty credentials entered " + username + password + server);
throw new BadCredentialsException("Error empty credentials entered!");
}
return logonToBO(request, response, username, password, server);
}
public Authentication logonToBO(HttpServletRequest request, HttpServletResponse response, String username, String password, String server){
List<GrantedAuthority> authorities = collectAuthorities(username, password, server);
UsernamePasswordAuthenticationToken token = new UsernamePasswordAuthenticationToken(username, password, authorities);
if(xService.checkUserEnterpriseLogOn(username, password,server)){
logger.debug("Access granted " + username+ password + server + token);
return token;
}else{
throw new BadCredentialsException("Error wrong credentials entered!");
}
}
public List<GrantedAuthority> collectAuthorities(String username, String password, String server){
List<GrantedAuthority> auths = new ArrayList<GrantedAuthority>();
String userAuth = xService.acquireUserAuthorityGroup(username, password, server);
if(userAuth.equals("YOUR_CUSTOM_AUTH_VALUE")){
auths.add(new GrantedAuthorityImpl("ROLE_USER"));
}
if(userAuth.equals("") || userAuth == ""){
logger.error("Unauthorized login " + username);
throw new BadCredentialsException("You aren't authorized beyond this point!");
}
return auths;
}
}
CustomAuthenticationProvider.java
public class CustomAuthenticationProvider implements AuthenticationProvider{
public Authentication authenticate(Authentication authentication)
throws AuthenticationException {
return authentication;
}
public boolean supports(Class<?> arg0) {
return true;
}
}
CustomLogoutHandler.java
@Autowired
private XXService XService;
public void logout(HttpServletRequest request,
HttpServletResponse response, Authentication authentication) {
//log out of BO Server
XService.terminateEnterpriseSession();
//return the values and log off from spring security as well
super.logout(request, response, authentication);
}
applicationContext.xml
<beans:beans xmlns="http://www.springframework.org/schema/security"
xmlns:beans="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.zkoss.org/2008/zkspring/core http://www.zkoss.org/2008/zkspring/core/zkspring-core.xsd
http://www.springframework.org/schema/security http://www.springframework.org/schema/security/spring-security.xsd
http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd">
<http auto-config="false" entry-point-ref="loginUrlAuthenticationEntryPoint">
<!-- ZK au has to be accessed anonymously -->
<intercept-url pattern="/zkau/**" access="IS_AUTHENTICATED_ANONYMOUSLY"
requires-channel="any" />
<!-- allowing access to css resources -->
<intercept-url pattern="/css/**" access="IS_AUTHENTICATED_ANONYMOUSLY"
requires-channel="any" />
<!-- allowing access to images resources -->
<intercept-url pattern="/images/**" access="IS_AUTHENTICATED_ANONYMOUSLY"
requires-channel="any" />
<!-- allowing access to layout resources -->
<intercept-url pattern="/layout/**" access="IS_AUTHENTICATED_ANONYMOUSLY"
requires-channel="any" />
<!-- allowing access to login page -->
<intercept-url pattern="/login.zul" access="IS_AUTHENTICATED_ANONYMOUSLY" />
<intercept-url pattern="/sectest.zul" access="IS_AUTHENTICATED_ANONYMOUSLY" />
<!-- After defining other resources secure all pages and links -->
<intercept-url pattern="/**" access="ROLE_USER" />
<!-- Custom Login Filter -->
<custom-filter ref="customAuthenticationFilter"
position="FORM_LOGIN_FILTER" />
<!-- Custom Logout Filter -->
<custom-filter ref="customLogoutFilter" position="LOGOUT_FILTER" />
</http>
<!-- Custom Authentication Filter -->
<beans:bean id="customAuthenticationFilter"
class="com.tugrulaslan.security.CustomAuthenticationFilter">
<beans:property name="authenticationManager" ref="authenticationManager" />
<beans:property name="authenticationFailureHandler"
ref="failureHandler" />
<beans:property name="authenticationSuccessHandler"
ref="successHandler" />
</beans:bean>
<!-- Custom Authentication Filter -->
<authentication-manager alias="authenticationManager">
<authentication-provider ref="customAuthenticationProvider" />
</authentication-manager>
<!-- Custom Authentication Provider For details check the regarding class -->
<beans:bean id="customAuthenticationProvider"
class="com.tugrulaslan.security.CustomAuthenticationProvider" />
<!-- Successful login handler -->
<beans:bean id="successHandler"
class="org.springframework.security.web.authentication.SimpleUrlAuthenticationSuccessHandler">
<beans:property name="defaultTargetUrl" value="/index.zul" />
</beans:bean>
<!-- Failure login handler -->
<beans:bean id="failureHandler"
class="org.springframework.security.web.authentication.SimpleUrlAuthenticationFailureHandler">
<beans:property name="defaultFailureUrl" value="/login.zul?login_error=1" />
</beans:bean>
<!-- Custom Logout Handler -->
<beans:bean id="customLogoutHandler" class="com.tugrulaslan.security.CustomLogoutHandler" />
<beans:bean id="customLogoutFilter"
class="org.springframework.security.web.authentication.logout.LogoutFilter">
<beans:constructor-arg value="/login.zul" />
<beans:constructor-arg>
<beans:list>
<beans:ref bean="customLogoutHandler" />
</beans:list>
</beans:constructor-arg>
<beans:property name="filterProcessesUrl" value="/j_spring_security_logout" />
</beans:bean>
<!-- Access Denied Handler -->
<beans:bean id="accessDeniedHandler"
class="org.springframework.security.web.access.AccessDeniedHandlerImpl">
<beans:property name="errorPage" value="/accessDenied.zul" />
</beans:bean>
<!-- Customized Login Entry Point -->
<beans:bean id="loginUrlAuthenticationEntryPoint" scope="prototype"
class="org.springframework.security.web.authentication.LoginUrlAuthenticationEntryPoint">
<beans:property name="loginFormUrl" value="/login.zul" />
</beans:bean>
</beans:beans>
login.zul
<?page title="Login" contentType="text/html;charset=UTF-8"?>
<?init class="org.zkoss.zkplus.databind.AnnotateDataBinderInit"?>
<?variable-resolver class="org.zkoss.zkplus.spring.DelegatingVariableResolver"?>
<zk>
<div style="width: 700px; margin-left: auto; margin-right: auto;">
<div height="90px" width="600px"
style="margin-left: auto; margin-right: auto;">
<label value="Login page"
style="font-size:16px; font-weight:bold; color:red" />
</div>
<window title="User Login Screen" border="normal"
width="600px">
<html:form id="loginForm" name="loginForm"
action="j_spring_security_check" method="POST"
xmlns:html="native">
<grid>
<rows>
<row>
<label value="Username" />
<textbox id="username" name="j_username" width="162px" />
</row>
<row>
<label value="Password" />
<textbox id="password" type="password"
name="j_password" width="162px" />
</row>
<row>
<label value="Server" />
<combobox id="server" name="server"
readonly="true" onCreate="self.setSelectedIndex(0)">
<comboitem value="SERVER 1"
label="SERVER 1" />
<comboitem value="SERVER 2"
label="SERVER 2" />
</combobox>
</row>
<row>
<label />
<button id="login" type="submit"
label="Giris" />
</row>
</rows>
</grid>
<html style="color:red"
if="${not empty param.login_error}">
<!-- Here spring failure messages printed -->
<![CDATA[Hata:
${SPRING_SECURITY_LAST_EXCEPTION.message} ]]>
</html>
</html:form>
</window>
</div>
</zk>
