PDF Signer Application

Overview

This application allows users to upload multiple PDF files, sign them with a digital certificate, and store them in a specified destination folder. It supports signing with PFX certificates or Smart Cards, and provides a progress bar during the signing process. Signed PDFs are listed for easy access.

Features

• Upload multiple PDF files
• Select a destination folder for signed PDFs
• Display a progress bar during the signing process
• List signed PDFs

Installation

1. Clone the Repository:

   git clone https://github.com/jsuyog2/pdf-signer.git
   cd pdf-signer

2. Install Dependencies:

   Make sure you have Node.js installed. Then run:

   npm install

3. Install Additional Packages:

   Install additional required packages:

   npm install rimraf @chilkat/ck-node22-win64 express express-fileupload

Configuration

1. Certificates:

   Place your PFX certificate file in the key directory. Update the pfxPath and pfxPassword in index.js:

   const pfxPath = path.join(__dirname, 'key', 'name.pfx');
   const pfxPassword = '12345'; // Update with your PFX password

   For signing with Smart Cards, ensure the Smart Card reader is connected and configure the SmartCardPin in index.js.

2. Temporary Directory:

   The application uses a tmp directory for storing temporary files. Ensure this directory exists or is created automatically.

Usage

1. Start the Server:

   Run the following command to start the application:

   npm start

   To build the application and run in production mode:

   npm run build
   npm run prod

2. Access the Application:

   Open your web browser and navigate to http://localhost:3000 to use the application.

3. Upload and Sign PDFs:

   • Use the form to upload PDF files.
   • Monitor the progress bar as the files are signed.
   • Signed PDFs will be listed once the signing process is complete.

Configuration Files

• .babelrc: Configures Babel to use the @babel/preset-env preset.
• eslint.config.mjs: Configures ESLint with recommended settings for JavaScript.
• tailwind.config.js: Configures Tailwind CSS for styling.
• webpack.config.js: Configures Webpack for bundling the application.

Contributing

If you'd like to contribute to this project, please follow these steps:

1. Fork the Repository:

   Click the "Fork" button on the top-right corner of the repository page.

2. Create a Branch:

   git checkout -b feature/your-feature

3. Make Changes and Commit:

   git add .
   git commit -m "Add your message here"

4. Push to Your Fork:

   git push origin feature/your-feature

5. Submit a Pull Request:

   Go to the repository page and click on "New Pull Request."

License

This project is licensed under the MIT License - see the LICENSE file for details.

Acknowledgments

• Tailwind CSS for styling
• Chilkat for PDF signing functionality
• Express for server handling
• Socket.IO for real-time progress updates

Contact

For any questions or feedback, you can reach me at jsuyog2@gmail.com.