React Login Logout With Spring Boot Security

React Spring Security Here in this example I am going to integrate React JS front-end with Spring Boot Security framework. When user will try to access the home page the user will be redirected to the login page if the user has not been authenticated already. Spring Boot’s default security mechanism asks for username and password when a user tries…

PreAuthorize HasPermission Security Using Spring Boot Data JPA

Spring Security – has permission The ability of hasPermission() method in Spring Boot Security applications is to determine the accessibility of a particular user for the application. The permission of an access can be read, write, etc. So, a particular user has defined set of access permission by which a user can perform certain activities in the application. The most…

Error bean securityConfig: unresolvable circular reference

Problem Recently while I was working with Spring Security in recent versions of Spring Boot framework (2.6.6/2.6.7), I was getting the following error (Requested bean is currently in creation: Is there an unresolvable circular reference?):

PreAuthorize HasRole Security Using Spring Boot Data JPA

Spring Security Has Role PreAuthorize hasRole Spring security will determine whether a user can invoke a method or not based on his/her role. hasRole() method returns true if the current principal has the specified role. By default if the supplied role does not start with ROLE_ will be added. This can be customized by modifying the defaultRolePrefix on DefaultWebSecurityExpressionHandler. In…

Spring Security Pre-Authentication with Spring Data JPA

Introduction In this example I am going to show you Spring Security Pre-authentication hasrole with Spring Data JPA. In my another example I had shown the similar example on Spring Security Pre-Authentication with Spring JDBC Template. There are situations where you want to use Spring Security for authorization, but the user has already been reliably authenticated by some external system…

Spring Cloud Gateway Security with JWT (JSON Web Token)

Spring Cloud Gateway Security In this tutorial I am going to show you an example on Spring Cloud Gateway Security with JWT. JSON Web Tokens (JWT) are an open, industry standard RFC 7519 method for representing claims securely between two parties. JWT.IO allows you to decode, verify and generate JWT. The Spring Cloud Gateway sits in front of your microservices…

Spring Boot OAuth2 SSO Example with AWS Cognito

Here in this example I am going to show you how to allow users for OAuth2 SSO (Single Sign On) using AWS (Amazon Web Services) Cognito. I had explained how to do OAuth2 Single Sign On using Spring Boot and GitHub account. Here I am going to use AWS Cognito. You can use any other providers, such as, Google, Facebook,…

Spring Boot Security Angular Login Logout Example

Angular Spring Security Here I will create Spring Boot Security Angular Login Logout Example which will show you how to integrate Spring Security with Angular to login to the application. I will redirect user to the login page if user is not already logged in. Similarly I will redirect user to the home page if user is already logged in….

Spring Security – Authentication and Role Based Authorization using JWT

Spring Security JWT Auth In this post you will see an example on Spring Security authentication and role based authorization using JWT (JSON Web Token) on REST or RESTful services. I won’t explain here about JWT as there is already very good article on JWT. I will implement Spring Security’s UserDetailsService to load user from database. I will use Spring…

Spring Boot Security – Form Based Authentication – Persistence Token – Remember Me

Remember Me Authentication – Persistence Token The example Spring Boot Security form based authentication persistence token remember me will show you how to use custom login form with Spring’s j_spring_security_check to authenticate a user. You may also look into form based authentication remember me – persistent token – on Spring MVC framework. The similar example I will implement here but using Spring Boot framework….