This C# CLI provides functionality for encrypting and decrypting files locally and interacting with Cloudflare R2 Storage Bucket.

• Local file encryption and decryption
• Download files from R2 storage
• Upload files to R2 storage
• Encrypt and decrypt downloaded files
• Progress tracking for file uploads and downloads

• .NET Core SDK (version compatible with the program)
• DotNetEnv package for environment variable management
• Active R2 storage account and API access

1. Clone the repository or download the source code.
2. Create Worker based on R2 Example with API Secret for authentication.
3. Create a .env file in the project root with the following variables:

   R2API_URL=your_r2_api_url
   API_SECRET=your_api_secret
   

4. Install required packages:

   dotnet add package DotNetEnv
   

Run the program using:

dotnet run

Follow the on-screen prompts to:

1. Choose operation mode: (F)etch, (P)ut, or (L)ocal
2. Provide file paths or names as requested
3. Select encryption or decryption operations
4. Enter encryption/decryption passwords when prompted

• Fetch (F): Download a file from R2 storage
• Put (P): Upload a local file to R2 storage
• Local (L): Perform encryption/decryption on local files