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About Yatin

The author is graduated in Electronics & Telecommunication. During his studies, he has been involved with a significant number of projects ranging from programming and software engineering to telecommunications analysis. He works as a technical lead in the information technology sector where he is primarily involved with projects based on Java/J2EE technologies platform and novel UI technologies.

Spring Security Roles and Privileges Example

Welcome readers, in this tutorial, we will implement the role-based access in the security module of the spring framework.

1. Introduction

  • Spring Boot is a module that provides rapid application development feature to the spring framework including auto-configuration, standalone-code, and production-ready code
  • It creates applications that are packaged as jar and are directly started using embedded servlet container (such as Tomcat, Jetty or Undertow). Thus, no need to deploy the war files
  • It simplifies the maven configuration by providing the starter template and helps to resolve the dependency conflicts. It automatically identifies the required dependencies and imports them in the application
  • It helps in removing the boilerplate code, extra annotations, and xml configurations
  • It provides a powerful batch processing and manages the rest endpoints
  • It provides an efficient jpa-starter library to effectively connect the application with the relational databases

1.1 Security module of the spring framework

Spring security is a powerful and high customizable authentication and access-control framework. It focuses on,

  • Providing authentication and authorization to the applications
  • Takes care of the incoming http requests via servlet filters and implements the user-defined security checking
  • Easy integration with servlet api and web mvc. This feature provides default login and logout functionalities

Now, open the eclipse ide and let’s see how to implement this tutorial in the spring boot module.

2. Spring Security Roles and Privileges Example

Here is a systematic guide for implementing this tutorial.

2.1 Tools Used

We are using Eclipse Kepler SR2, JDK 8, and Maven.

2.2 Project Structure

In case you are confused about where you should create the corresponding files or folder, let us review the project structure of the spring boot application.

Spring Security Roles and Privileges -  Application Structure
Fig. 1: Application Structure

2.3 Project Creation

This section will demonstrate how to create a Java-based Maven project with Eclipse. In Eclipse IDE, go to File -> New -> Maven Project.

Spring Security Roles and Privileges - Maven Project
Fig. 2: Create a Maven Project

In the New Maven Project window, it will ask you to select a project location. By default, ‘Use default workspace location’ will be selected. Just click on the next button to proceed.

Spring Security Roles and Privileges -  Project Details
Fig. 3: Project Details

Select the Maven Web App archetype from the list of options and click next.

Spring Security Roles and Privileges - Archetype Selection
Fig. 4: Archetype Selection

It will ask you to ‘Enter the group and the artifact id for the project’. We will input the details as shown in the below image. The version number will be by default: 0.0.1-SNAPSHOT.

Spring Security Roles and Privileges -   Archetype Parameters
Fig. 5: Archetype Parameters

Click on Finish and the creation of a maven project is completed. If you observe, it has downloaded the maven dependencies and a pom.xml file will be created. It will have the following code:


<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">

Let’s start building the application!

3. Creating a Spring Boot application

Below are the steps involved in developing the application.

3.1 Maven Dependencies

Here, we specify the dependencies for the Spring Boot and Security. Maven will automatically resolve the other dependencies. The updated file will have the following code.


<project xmlns="http://maven.apache.org/POM/4.0.0"
	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
	<name>Springsecurityrolebasedaccesstutorial Maven Webapp</name>

	<!-- spring boot parent dependency jar. -->
		<!-- to implement security in a spring boot application. -->
		<!-- spring boot web mvc jar. -->

3.2 Java Classes

Let’s write all the java classes involved in this application.

3.2.1 Implementation/Main class

Add the following code in the main class to bootstrap the application from the main method. Here,

  • The entry point of the spring boot application is the class containing the @SpringBootApplication annotation and the static main method
  • @EnableWebSecurity annotation enables web security in any web application


package com.ducat.spring.security;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;

// Enable spring security java configuration.
public class Myapplication {

	public static void main(String[] args) {
		SpringApplication.run(Myapplication.class, args);

3.2.2 Security configuration class

Add the following code to the configuration class to handle the role-based access and authentication.


package com.ducat.spring.security.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.crypto.password.NoOpPasswordEncoder;

public class Mysecurityconfig extends WebSecurityConfigurerAdapter {

	protected void configure(AuthenticationManagerBuilder auth) throws Exception {

	// Security based on role.
	// Here the user role will be shown the Http 403 - Access Denied Error. But the admin role will be shown the successful page.
	protected void configure(HttpSecurity http) throws Exception {

	public static NoOpPasswordEncoder passwordEncoder() {
		return (NoOpPasswordEncoder) NoOpPasswordEncoder.getInstance();

3.2.3 Controller class

Add the following code to the controller class designed to handle the incoming requests which are configured by the @RequestMapping annotation.


package com.ducat.spring.security.controller;

import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

public class Mycontroller {

	// Method will only be accessed by the user who has 'admin' role attached to it.
	public String getmsg() {
		System.out.println(getClass() + "- showing admin welcome page to the user.");
		return "Spring security - Role based access example!";

4. Run the Application

As we are ready with all the changes, let us compile the spring boot project and run the application as a java project. Right click on the Myapplication.java class, Run As -> Java Application.

Spring Security Roles and Privileges -     Deploy the Application
Fig. 6: Deploy the Application

Developers can debug the example and see what happens after every step. Enjoy!

5. Project Demo

Open your favorite browser and hit the following URL to display the authentication prompt.


Spring Security Roles and Privileges -      Authentication prompt
Fig. 7: Authentication prompt

Enter the admin credentials (myadmin/password1) and the secure page will be displayed as shown in Fig. 8.

Spring Security Roles and Privileges -        Secure page
Fig. 8: Secure page

Access the url again and enter the following credentials (myuser/password1). As the attached role is a user, HTTP 403 error page will be thrown as shown in Fig. 9.

Spring Security Roles and Privileges -         Error page
Fig. 9: Error page

That’s all for this tutorial and I hope the article served you whatever you were looking for. Happy Learning and don’t forget to share!

6. Conclusion

In this section, developers learned how to implement role-based authentication in spring security. Developers can download the sample application as an Eclipse project in the Downloads section.

7. Download the Eclipse Project

This was an example of implementing the role-based authentication in spring security.

You can download the full source code of this example here: Spring Security Roles and Privileges Example
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