Wednesday, June 26, 2013

Spring Security: JDBC + Customized 403 & Login Form



Let’s start building the spring security application:

Basic Requirement :

 Create two tables in MYSQL :



CREATE TABLE `users` (

  `USER_ID` INT(10) UNSIGNED NOT NULL,

  `USERNAME` VARCHAR(45) NOT NULL,

  `PASSWORD` VARCHAR(45) NOT NULL,

  `ENABLED` tinyint(1) NOT NULL,

  PRIMARY KEY (`USER_ID`)

);



CREATE TABLE `user_roles` (

  `USER_ROLE_ID` INT(10) UNSIGNED NOT NULL,

  `USER_ID` INT(10) UNSIGNED NOT NULL,

  `AUTHORITY` VARCHAR(45) NOT NULL,

  PRIMARY KEY (`USER_ROLE_ID`),

  KEY `FK_user_roles` (`USER_ID`),

  CONSTRAINT `FK_user_roles` FOREIGN KEY (`USER_ID`) REFERENCES `users` (`USER_ID`) ON DELETE CASCADE

);

Insert values :
INSERT INTO testdb1.users (USER_ID, USERNAME,PASSWORD, ENABLED)

VALUES (100, 'kumar', 'kumar', TRUE);



INSERT INTO testdb1.user_roles (USER_ROLE_ID, USER_ID,AUTHORITY)

VALUES (1, 100, 'ROLE_USER');



INSERT INTO testdb1.users (USER_ID, USERNAME,PASSWORD, ENABLED)

VALUES (200, 'sushil', 'sushil', TRUE);



INSERT INTO testdb1.user_roles (USER_ROLE_ID, USER_ID,AUTHORITY)

VALUES (2, 200, 'ROLE_ADMIN');

Code Structure in Eclipse

 


LoginController.java:
package com.sushil.spring.security.controller;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.core.userdetails.User;
import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;

@Controller
public class LoginController {

       @RequestMapping(value="/welcome", method = RequestMethod.GET)
       public String printWelcome(ModelMap model) {

       User user = (User)SecurityContextHolder.getContext().getAuthentication().getPrincipal();
              String name = user.getUsername();
              System.out.println("in Welcome module");
              model.addAttribute("username", name);
              model.addAttribute("message", "Spring Security login + database example");
              return "hello";
       }

       @RequestMapping(value="/login", method = RequestMethod.GET)
       public String login(ModelMap model) {
              System.out.println("in login module");
              return "login";
       }
      
       @RequestMapping(value="/loginfailed", method = RequestMethod.GET)
       public String loginerror(ModelMap model) {
              System.out.println("in login failed module");
              model.addAttribute("error", "true");
              return "login";
       }
      
       @RequestMapping(value="/logout", method = RequestMethod.GET)
       public String logout(ModelMap model) {
              return "login";
       }
      
       @RequestMapping(value="/403", method = RequestMethod.GET)
       public String accessDenied(){
              return "403";
       }
}

login.jsp

<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
<html>
<head>
<title>Login Page</title>
<style>
.errorblock {
       color: #ff00cc;
       background-color: #ffEEEE;
       border: 10px solid #ff0000;
       padding: 10px;
       margin: 20px;
}
</style>
</head>
<body onload='document.f.j_username.focus();'>
       <h3>Login Authentication with Database</h3>

       <c:if test="${not empty error}">
              <div class="errorblock">
                     Your login attempt was not successful, try again.<br />
Caused : ${sessionScope["SPRING_SECURITY_LAST_EXCEPTION"].message}
              </div>
       </c:if>

       <form name='f' action="<c:url value='j_spring_security_check' />"
              method='POST'>
              <table border="2">
                     <tr>
                           <td colspan="2">User:</td>
                           <td></td>
                           <td><input type='text' name='j_username' value=''>
                           </td>
                     </tr>
                     <tr>
                           <td colspan="2">Password:</td>
                           <td></td>
                           <td><input type='password' name='j_password' />
                           </td>
                     </tr>
                     <tr>
                           <td colspan='2'><input name="submit" type="submit"
                                  value="submit" />
                           </td>
                           <td></td>
                           <td colspan='1'><input name="reset" type="reset" />
                           </td>
                     </tr>
                     <tr> </tr>
              </table>
       </form>
</body>
</html>

hello.jsp:

<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
<html>
<body>
       <h3>Message : ${message}</h3>    
       <h3>Username : ${username}</h3>  
       <a href="<c:url value="/j_spring_security_logout" />" > Logout</a>
</body>
</html>

403.jsp:

<html>
<body>
       <h1><font color="red">WARNING : ${msg}</font></h1>           
</body>
</html>


SpringMvcSecurityDatabase-servlet.xml

<beans xmlns="http://www.springframework.org/schema/beans"
       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/context
        http://www.springframework.org/schema/context/spring-context-3.0.xsd">

       <context:component-scan base-package="com.sushil.spring.security.controller" />


       <bean id="accessDeniedHandler" 
class="com.sushil.spring.security.handler.MyAccessDeniedHandler">
              <property name="accessDeniedUrl" value="403" />
   </bean>
  
   <bean id="dataSource"
              class="org.springframework.jdbc.datasource.DriverManagerDataSource">
              <property name="driverClassName" value="com.mysql.jdbc.Driver" />
              <property name="url" value="jdbc:mysql://localhost:3306/testdb1" />
              <property name="username" value="root" />
              <property name="password" value="admin" />
       </bean>
  
       <bean
              class="org.springframework.web.servlet.view.InternalResourceViewResolver">
              <property name="prefix">
                     <value>/WEB-INF/pages/</value>
              </property>
              <property name="suffix">
                     <value>.jsp</value>
              </property>
       </bean>

       <bean id="messageSource"
              class="org.springframework.context.support.ResourceBundleMessageSource">
              <property name="basenames">
                     <list>
                           <value>mymessages</value>
                     </list>
              </property>
       </bean>
      
</beans>

spring-security.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.springframework.org/schema/beans
       http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
       http://www.springframework.org/schema/security
       http://www.springframework.org/schema/security/spring-security-3.1.xsd">

       <http auto-config="true">
              <intercept-url pattern="/welcome*" access="ROLE_ADMIN" />
              <form-login login-page="/login" default-target-url="/welcome" authentication-failure-url="/loginfailed" />
              <logout logout-success-url="/logout" />
              <access-denied-handler ref="accessDeniedHandler"/>
       </http>

       <authentication-manager>
              <authentication-provider>
                     <jdbc-user-service data-source-ref="dataSource"
                        users-by-username-query="select username,password, enabled
                                  from users where USERNAME=?"
                                 authorities-by-username-query=" select u.username, ur.authority from users u, user_roles ur where u.user_id = ur.user_id and u.username =?  " />
              </authentication-provider>
       </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/j2ee" xmlns:javaee="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/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd" id="WebApp_ID" version="2.4">
  <display-name>Spring MVC + Security Application</display-name>
  <servlet>
    <servlet-name>SpringMvcSecurityDatabase</servlet-name>
    <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
    <load-on-startup>1</load-on-startup>
  </servlet>
  <servlet-mapping>
    <servlet-name>SpringMvcSecurityDatabase</servlet-name>
    <url-pattern>/</url-pattern>
  </servlet-mapping>
  <listener>
    <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
  </listener>
  <context-param>
    <param-name>contextConfigLocation</param-name>
    <param-value>
                     /WEB-INF/SpringMvcSecurityDatabase-servlet.xml,
                     /WEB-INF/spring-security.xml
              </param-value>
  </context-param>
  <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>/*</url-pattern>
  </filter-mapping>
</web-app>

Output Screens :


Just hit ‘http://localhost:8080/Example2/welcome’ on the browser :

Customized login form :




 
Enter Wrong Password / login name


 Enter authorized user name and password 'sushil' , 'sushil'

Enter UnAuthorized user details 'kumar' , 'kumar'




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