Back-end advanced road - in-depth understanding of Spring Security configuration (2)

foreword

"Author's Homepage" : Sprite Youbai Bubbles
"Personal Website" : Sprite's personal website
"Recommendation Column" :

★ Java one-stop service ★
★ Front-end cool code sharing
★ ★ uniapp-from construction to promotion ★
★ From 0 to hero, Vue's road to god ★
★ Solving algorithm, one column is enough ★
★ Let's talk about architecture from 0 ★
★ The subtle way of data circulation ★

★ The road to advanced backend ★

1 Introduction

Spring Security is a powerful and widely used security framework for protecting Java applications from unauthorized access and attacks. In today's digital world, protecting the security of user data and application resources is paramount. Spring Security provides a set of enterprise-level security solutions to help developers easily integrate authentication, authorization, and other security functions into their applications.

1.1 The role and importance of Spring Security

Spring
Security is dedicated to protecting applications from various security threats, including authentication, authorization, session management, cross-site request forgery (CSRF), and more. It provides a set of features and tools that enable developers to easily build secure applications.

article title	article link
Back-end advanced road - a review of Spring Security authentication, authorization (1)	click to jump

1.2 The necessity of configuring users, roles, permissions and access rules

Configuring users, roles, permissions, and access rules is a critical step in securing your application, here's why these configurations are necessary:

1. User Management : By configuring user information, we can ensure that only authenticated users can access the application. User information includes username, password, and other relevant attributes such as email, phone number, etc. By authenticating users, we can determine whether they are authorized to access protected resources.

2. Role and permission management : By configuring roles and permissions, we can achieve fine-grained access control. A role is a collection of permissions that define the actions a user can perform or the resources they can access. By assigning roles to users, we can restrict their access and manipulation of application functionality.

3. Access rules : By configuring access rules, we can define which URL paths, HTTP methods and other conditions need to be authenticated and authorized. This ensures that only authenticated and authorized users can access protected resources. Access rules can be configured based on roles, permissions, IP addresses, time and other conditions to meet the security requirements of applications.

In summary, by configuring users, roles, permissions, and access rules, we can establish a robust security mechanism that ensures that applications only allow authenticated and authorized users to access protected resources. Spring
Security provides a simple and flexible configuration method that enables developers to easily define and manage security rules to protect the integrity and reliability of applications.

When you start a Spring-based project, you need to do some configuration and add the required dependencies. Below is an example of a basic Spring project setup with common dependencies added.

2. Create a basic Spring project

First, you need to create a new Java project and set it to use the Spring framework.

2.2 Create a project using Maven

If you use the Maven build tool, you can create a basic Spring project by following these steps:

1. Open a command line or terminal window.
2. Navigate to the directory where you want to create the project.
3. Create a new Maven project by running the following command:

mvn archetype:generate -DgroupId=com.example -DartifactId=your-project-name -DarchetypeArtifactId=maven-archetype-quickstart -DinteractiveMode=false

Among them, com.exampleis the groupId of your project, your-project-nameand is the artifactId of your project. You can modify them according to your needs.

4. Change into the newly created project directory:

cd your-project-name

2.3 Add Spring dependencies

Next, you need to pom.xmladd the required Spring dependencies in your project's files. Here is an example pom.xmlfile that includes common Spring dependencies:

<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">
    <modelVersion>4.0.0</modelVersion>

    <groupId>com.example</groupId>
    <artifactId>your-project-name</artifactId>
    <version>1.0-SNAPSHOT</version>

    <properties>
        <maven.compiler.source>1.8</maven.compiler.source>
        <maven.compiler.target>1.8</maven.compiler.target>
    </properties>

    <dependencies>
        <!-- Spring Core -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-core</artifactId>
            <version>5.2.9.RELEASE</version>
        </dependency>

        <!-- Spring Context -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
            <version>5.2.9.RELEASE</version>
        </dependency>

        <!-- 其他Spring依赖项 -->
    </dependencies>
</project>

In the above example, we added spring-coreand spring-contextdependencies. You can add other required Spring dependencies according to your project requirements.

After completing the above steps, the setup and dependency configuration of your basic Spring project is complete. You can start writing your own Spring code.

summary:

In this article, we introduced
the role and importance of Spring Security and discussed the necessity of configuring users, roles, permissions and access rules. We then demonstrated how to create a basic Spring project.

First, we created a new project using Maven. Maven is a popular build tool that helps us manage project dependencies and build process.

Next, we added a dependency for Spring Security. Spring
Security is a powerful security framework that helps us protect applications from various common security threats.

By going through these steps, we have set up a basic skeleton for our project to start securing our application with Spring Security.

In the following content, we will learn how to configure users, roles, permissions and access rules in depth, and use Spring Security to implement authentication and authorization functions.