I implemented a rest authorization server that returns the public-key for a given keyId in the JWK format using the com.nimbusds:nimbus-jose-jwt:9.13 package. The code looks something like this: This code returns a JWK key in the following format: On the client side (java), I try to parse the jwk with the fol…
Tag: jwt
Is it possible to get Authentication as json response?
currently it returns String but I’d like to send response as json to client. it api check the jwt’s authentication. it appears email,nickname etc as string now. Answer Simply use org.json.simple.JSONObject create a jsonobject and put everything inside it as key value pair and return it to client a…
spring security with jwt token returns 401 html page not json
why spring returns 401 html page instead of my custom json api response with error? and what is the best way to fix it (override spring config) security: Filter: so i implemented custom exception handler and filter, and what i need is this type of error that what i get when login fo example, success case to g…
How to check if a JWT Token has expired without throw exceptions?
I’m developing a Java application (using Spring Boot) and I need some help: This application receives as input a JWT token which I process in a method. The method for now is the following: } However, I need to implement a logic that must check in several places whether the token obtained has expired or …
Heroku deployment error “required a bean of type ‘org.springframework.security.oauth2.jwt.JwtDecoder’ that could not be found.”
I am trying to deploy my springboot app to heroku but I am getting an error that it cannot find a JwtDecoder bean. I have tried googling it a bit but can’t find anything that helps. Everything works fine locally, just not when deployed to heroku. Here is my heroku log –tail: WebSecurityConfig: I&#…
Multiple WebSecurityConfigurerAdapters: JWT authentication and form login in spring security
I have spring boot app with thymeleaf. I am using spring security formLogin method for security and now I need to add JWT for only some APIs. by doing this JWT is working fine as just I need but the formlogin has stopped and calling “/signInProcess” now give 404: NOTE: if I change the order and ma…
TypeError: expressJwt is not a function
I’m trying to write middleware for user authorization in my app. I use this function to check if a route requires being sign in. The code is as follows: However, I get the following error: What could be the problem? None of the other answers seem to be helpful. Answer With the curly brackets you are try…
Spring Security – How to get the roles assigned to user
I am implementing JWT Role Based Authorization. I am testing my apis through postman. The users first makes a POST request and registers itself where we pass in the firstname, empid and password. The user on successfull registarion returns a response including a column roles which is null in the starting. The…
Caused by: java.lang.NoClassDefFoundError: io/jsonwebtoken/Jwts
i am using jjwt-0.9.1.jar and runtime gives this exception for jersey reset API call. When i use this code using java main() method, its works perfectly but when i call from servlet to that class, the method throws exception. When call servlet to java class method i.e.createJWTToken() gives following exceptio…
How to verify that a string is JWT token?
In Java How can we verify that i given String is a JWT Token without using Signature? I am using This works fine but I want to verify this without SECRET_KEY. I Just want to verify whether it is a JWT token or not. Answer Here is an example to check the structure of the JWT. You only need to