To disable Spring-Boot Basic Authentication. To enable Spring-boot Basic Authentication, uncomment and in the application properties file Spring Boot, by default, secures all your pages with basic authentication. Step2: Application.properties file server.port=8081 Successful OTP (after every successful validation within the time limit, the server clears the cache). I have passed the admin credentials in the login screen and been redirected to the admin dashboard.ġ. Please refer to my DZone SonorQube article.
#Create otp code
The source code has been validated using SonorQube (code quality analyzer). Thymeleaf extras Spring Security4 2.1.3.Quick Steps to Configure OTP Concepts in Spring Boot If we want to configure it in a cluster environment or a load balancer, we can use Memcached. Google's Guava library caches the OTP number in server memory and validates the OTP in the same server. Note: This Sample is for a non-cluster server configuration application. I used Google's Guava library to cache the OTP number to validate and set the timer to the cached OTP expiry. If you want to implement this yourself (which I can highly recommend if you are doing this just for fun) you can use the following HMAC implementations that are already part of : HMACSHA1 (default), HMACSHA256, HMACSHA512 and HMACMD5. I have shown the steps to configure an OTP via email. Method of Delivering OTP in a Web Application. OTP passwords are generated using a mathematical algorithm I have used Random number concepts in this example.
#Create otp password
A second major advantage is that a user who uses the same (or similar) password for multiple systems, is not made vulnerable on all of them if the password for one of these is acquired by an attacker. This means that a potential intruder who manages to record an OTP that was already used to log into a service or to conduct a transaction will not be able to abuse it since it will no longer be valid. The most important advantage that is addressed by OTPs is that, in contrast to static passwords, they are not vulnerable to replay attacks. Mostly, this concept is used in banking systems and other secure websites. One Time Password (OTP) is a password to validate a user during a secure transaction. In this article, I have explained the way to handle One Time Password (OTP) in a Spring Boot web application using Google's Guava library.
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