Definition by: Google Cloud Architecture
This project has been tested and confirmed to work with Java 6, Java 7 and Java 8, but may also work with other versions of Java. However, these other versions have not been tested.
Usage
- Build the project with the command
mvn package. - Deploy the generated
.warfile located in thetargetdirectory to thewebappsdirectory of your Tomcat installation. - Start the Tomcat server by running the
startupscript located in thebindirectory of your Tomcat installation.
Additional Configuration
You may need to modify the pom.xml file to add any necessary dependencies for your project. You can also modify the web.xml file located in the src/main/webapp/WEB-INF directory to configure your servlets and mappings.
If you need to configure any additional settings for your Tomcat installation, you can do so in the conf directory of your Tomcat installation.
Demonstration
This is a demonstration of rate limit working in an attack started by Owasp Zap tool with 5 threads requests.
Instructions to use
- Add RateLimit class in your project.
- Create an instance of the RateLimit class and run the doFilter method around your HTTP endpoint.
...
rateLimit = RateLimit.getInstance();
...
if (rateLimit.doFilter(request)) {
json = "{\"message\": \"ok\"}";
response.setStatus(200);
} else {
json = "{\"message\": \"too many requests\"}";
response.setStatus(429);
}
For more details, see the example of the MyServlet class.
Contributing
If you want to contribute to this project, please follow the guidelines below:
- Fork the repository.
- Create a new branch:
git checkout -b <my-new-branch> - Make changes and test them.
- Add the changes:
git add . - Commit your changes:
git commit -m "Add some feature" - Push to the branch:
git push origin <my-new-branch> - Submit a pull request to the original repository.
License
This project is licensed under the MIT License.
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