kekingcn/kkFileView

Features

• Multi-Format Document Rendering - Renders a wide variety of office documents, PDFs, and 3D models directly in the browser.
• File Preview Servers - Implements a Spring Boot-based server that renders office files, PDFs, images, and CAD models for browser viewing.
• CAD Format Converters - Converts complex CAD drawings into web-friendly formats for visualization without specialized local software.
• CAD to SVG Converters - Provides a processing engine that transforms CAD drawings into web-compatible SVG or TIF formats.
• CAD to Web Format Converters - Transforms CAD drawings into SVG or TIF formats for seamless browser-based visualization.
• In-Browser Previews - Provides browser-based preview capabilities for a wide variety of office documents and media files.
• Document Viewers - Provides a unified interface for rendering and displaying office files, PDFs, and 3D models without requiring local software.
• Secure Rendering Services - Offers a secure rendering service featuring basic authentication, password-protected file decryption, and upload risk filtering.
• Document Format Conversions - Transforms complex documents and CAD files into browser-compatible formats like SVG or PDF for viewing.
• Multi-Format Media Browsers - Provides a unified interface to display a wide range of office files, PDFs, images, and 3D models.
• Extension-Based Rendering Strategies - Determines the optimal display method by mapping file extensions to specialized rendering engines.
• Spring Boot Integrations - Built as a Spring Boot microservice to manage dependency injection and configuration for the rendering server.
• REST APIs - Provides a RESTful API for integrating universal file rendering capabilities into external business applications via standard HTTP calls.
• Temporary Artifact Management - Manages the lifecycle and automated cleanup of temporary files created during the document conversion process.
• Document Conversion Caches - Stores processed versions of files locally to reduce repeated conversion overhead and improve performance.
• Adaptive Content Previews - Displays content using the most appropriate format based on file type to optimize user experience.
• REST API Interfaces - Implements a RESTful API that allows external systems to trigger file previews programmatically.
• Document Decryption - Decrypts password-protected office documents and compressed archives to enable online previewing.
• File Upload Security - Prevents the upload of high-risk or unsupported file types using a configurable extension blacklist.
• Secure File Access - Protects file previews and management operations using basic authentication, key management, and captcha verification.
• Document Encryption - Manages protected or encrypted files for online viewing through integrated authentication and decryption workflows.
• Cache Management - Implements automated cleanup processes for stored converted files to reclaim disk space and optimize performance.
• File Previewers - Provides a standard HTTP interface to embed file preview capabilities into external business applications.

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