In MongoDB with Spring Data, various annotations are used to map Java classes to MongoDB documents and configure how the data is stored and retrieved. Below are the key annotations provided by Spring Data MongoDB along with examples of how to use them: 1. @Document The @Document annotation is used to mark a class…
Introduction In Spring Security, the Principal represents the currently authenticated user, while Authentication contains the user's authentication information, including their roles and permissions. Understanding how to access and utilize these details is crucial for implementing security in your Spring applications. This tutorial will guide you through the process of accessing Principal and Authentication details…
Introduction Lightweight Directory Access Protocol (LDAP) is a protocol used to access and maintain directory information services over an Internet Protocol (IP) network. LDAP is widely used for authentication and authorization purposes in enterprise environments. Integrating LDAP with Spring Security, a powerful and highly customizable authentication and access-control framework, can help organizations manage user…
Introduction Role-Based Access Control (RBAC) is a common method for managing user permissions based on roles assigned to users. In an RBAC system, permissions to perform operations are assigned to roles, and users are assigned to roles, which simplifies the management of individual permissions. Spring Security provides robust support for RBAC, enabling developers to…
Introduction The Security Context in Spring Security is a fundamental concept that holds the security information of the currently authenticated user. It encapsulates details about the principal (the user), the granted authorities (roles and permissions), and other security-related information. This tutorial will guide you through understanding and working with the Security Context in Spring…
Introduction Security filters play a crucial role in Spring Security by intercepting and processing HTTP requests before they reach your application's endpoints. They are used for various security-related tasks such as authentication, authorization, logging, and request modification. This tutorial will guide you through the process of working with security filters in Spring Security, including…
Introduction Spring Framework is one of the most popular Java frameworks, offering a robust infrastructure to develop enterprise-level applications. At the core of Spring is the Inversion of Control (IoC) container, responsible for managing the lifecycle of beans (objects) and their dependencies. Within the Spring IoC container, BeanFactory and ApplicationContext are two primary interfaces.…
Introduction Handling security exceptions is a critical aspect of implementing robust security in any application. Spring Security provides mechanisms to handle various security-related exceptions, such as authentication failures, access denials, and more. This tutorial will guide you through the process of handling security exceptions in a Spring Boot application. Prerequisites Before starting, ensure you…
As organizations increasingly adopt microservices and cloud-native architectures, securing these systems has become a critical concern. OAuth2 and OpenID Connect (OIDC) have emerged as leading standards for securing APIs and managing user identities. Spring Security, a powerful and customizable authentication and access-control framework for Java applications, provides robust support for integrating OAuth2 and OpenID…
Guide to Token-Based Authentication with JWT in Spring Security Token-based authentication has become a popular mechanism for securing modern web applications. JSON Web Tokens (JWT) are a particularly common choice due to their compact, self-contained nature. This guide will walk you through implementing JWT-based authentication using Spring Security, a robust and customizable framework for…