NodeBB Secure PDF Viewer Plugin

A professional, secure, and feature-rich PDF viewer plugin for NodeBB forums. Built on Mozilla's PDF.js, this plugin integrates a powerful PDF reading experience directly into your community.

🚀 Features

- Advanced Annotation Tools: Highlight text, draw freehand, add text notes, and insert shapes (rectangles, circles, lines, arrows).
- Persistent Annotations: Annotations are saved per page and persist across sessions (stored locally or via server implementation).
- Page Manipulation: Rotate pages left/right to correct orientation.
- Reading Modes:
- Sepia Mode: Reduces eye strain during long reading sessions.
- Dark Mode Support: UI adapts to system themes.
- Navigation:
- Sidebar with thumbnail navigation.
- Jump to page.
- Zoom controls (In, Out, Page Width).
- Responsive Design: Mobile-friendly toolbar and sidebar behavior.
- Security: Built-in security controls to manage PDF access.

📦 Installation

``bash
npm install nodebb-plugin-secure-pdf
`

🛠️ Usage

1. Upload PDF: Upload a PDF file to a post.
2. View: Click on the PDF attachment to open it in the Secure Viewer.
3. Annotate: Use the toolbar to select tools (Pen, Highlighter, Text, Shapes).

⌨️ Keyboard Shortcuts

| Key | Action |
|-----|--------|
| H | Toggle Highlighter |
| P | Toggle Pen |
| T | Toggle Text Tool |
| R | Toggle Shapes |
| E | Eraser |
| S | Toggle Sidebar |
| M | Toggle Reading Mode |
| Arrows` | Navigate Pages |

🤝 Contributing

Contributions are welcome! Please feel free to submit a Pull Request.

📄 License

This project is licensed under the MIT License.