Category: Web
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Log4Shell Vulnerability
In this article I show how the Log4Shell vulnerability can impact. I show how the JNDI commands are intercepted with an LDAP server, and how to protect against this vulnerability.
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Dependency Management with Poetry
In this article I show the usage of Poetry and Python to manage the dependencies. I show how to create a Poetry project, how to search and add dependencies and how to manage virtual environments of Python with Poetry.
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Flask Backend Setup
In this article I show the setup of a Flask and Python backend. I show the structure of a Flask project, how to add routes to Flask, how to group routes with Blueprints and how to handle errors.
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Slf4j, Lockback and Log4J2
In this article I show how to write logs in a Spring Boot application. I also show how to configure the Logback and Log4J2 loggers.
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Store the HTTP Session into Redis
In this article I show how to store the HTTP session into Redis with Spring Boot. I show the necessary dependencies and how to configure Spring Boot to not have the HTTP session stored only in the application.
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Tests Coverage with Jacoco, Unit and Integration Tests
In this article I show how to obtain the tests coverage with Jacoco, for both the unit and the integration tests. I show the configuration of the Surefire and Failsafe plugins to run the unit and integration tests separately. And finally I show how to use the Surefire and Failsafe plugins to feed Jacoco.
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OAuth2 Authentication with Spring Security and Github
In this article I will show how to authenticate using the OAuth2 system with Spring Security and Github. For that, I will need to create a Github login application and connect it to my Spring Boot application with Spring Security to allow it to perform the necessary requests.
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Cookie based authentication with Spring Security
In this article, I will show the cookie based authentication with Spring Security. I will authenticate a stateless application with the cookies. And I will show the differences with the JWT authentication.
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Random Values in the Unit Tests of Java with Podam
In this article I will show how to write random values in the unit tests of Java with Podam. Podam is a library to write random values in all the fields of an input object to the services to test.
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Integration Tests in Spring Boot with MockMvc, DBUnit and H2
How to write integration tests in Spring Boot with MockMvc. Then, I show how to write tests in Spring Boot with DBUnit and H2 against a database.
The Dev World - Sergio Lema 