/Numcha

Numcha is a simple and customizable CAPTCHA (Completely Automated Public Turing test to tell Computers and Humans Apart) system designed to verify that the user interacting with a web application is a human and not a bot. It utilizes image rotation as a challenge for the user to solve.

Primary LanguageCSS

Numcha CAPTCHA System

Overview

Numcha is a simple and customizable CAPTCHA (Completely Automated Public Turing test to tell Computers and Humans Apart) system designed to verify that the user interacting with a web application is a human and not a bot. It utilizes image rotation as a challenge for the user to solve.

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Features

  • Image Rotation Challenge: Users are presented with an image that needs to be rotated to the correct orientation.
  • Random Image Selection: The system randomly selects a set of images for each challenge to enhance security.
  • Dynamic Image Rotation: The rotation angle of the image is set randomly, increasing the variability of challenges.

Project Structure

The project consists of the following files:

  • index.html: The main HTML file that contains the structure of the Numcha CAPTCHA system.
  • styles.css: The stylesheet file defining the visual appearance of the CAPTCHA system.
  • numcha.js: The JavaScript file containing the logic for generating and verifying CAPTCHA challenges.

Getting Started

  1. Clone the repository to your local machine.

    git clone https://github.com/MinightDev/Numcha.git

  2. Open the index.html file in a web browser to see the Numcha CAPTCHA system in action.

Usage

  • Click the CAPTCHA start button to initiate the challenge.
  • Rotate the presented image until it's correctly oriented.
  • Click the submit button to verify your response.
  • The system provides feedback on whether the CAPTCHA was successfully solved or not.

Customization

You can customize the CAPTCHA system by modifying the following parameters in the numcha.js file:

  • maxImages: Controls the maximum number of images in a challenge.
  • imageUrls: Array of URLs for the challenge images. Add or remove URLs to change the image set.

Contributing

Contributions are welcome! If you have any suggestions, bug reports, or feature requests, please open an issue or submit a pull request.

License

This project is licensed under the MIT License.

Acknowledgments

Numcha uses the Unsplash API to fetch placeholder images for the challenges. Special thanks to Unsplash for providing beautiful and freely-usable images.

Author

[MinightDev (Ayoub)]

Feel free to reach out if you have any questions or concerns. Thank you for using Numcha!