Enhance CDN Infrastructure: Secure Server and File Management

[gapcomputer]

Enhance CDN Infrastructure: Secure Server and File Management

Description

Summary of Work

Overview

This pull request introduces a robust and secure infrastructure for our CDN service, focusing on server configuration, file management, and security best practices.

Key Objectives

• Establish a flexible and secure Express server framework
• Implement comprehensive file path validation
• Provide a scalable foundation for CDN file storage

Strategic Improvements

• Advanced server creation with dynamic port handling
• Secure file path validation to prevent directory traversal
• Comprehensive test coverage across server and configuration layers

Architecture Highlights

• Modular server configuration with clean shutdown mechanism
• Path resolution strategy ensuring cross-platform compatibility
• Centralized configuration management for CDN file operations

Security Considerations

• Implemented strict path validation checks
• Prevented potential directory traversal vulnerabilities
• Ensured controlled file system access for CDN operations

Developer Experience

• TypeScript type safety
• Flexible server initialization
• Consistent error handling
• Comprehensive unit testing

Potential Future Enhancements

• Expand CDN file management capabilities
• Implement more granular access controls
• Add support for distributed file storage

Changes Made

• Created flexible Express server configuration
• Implemented secure CDN file path validation
• Added comprehensive test suites for server and configuration
• Established cross-platform path resolution strategies
• Enhanced type safety with TypeScript interfaces
• Implemented secure file path traversal prevention

Tests and Verification

• Verified server port configuration dynamics
• Tested health check endpoint functionality
• Validated CDN path validation mechanisms
• Confirmed security against directory traversal attempts
• Ensured consistent behavior across different file path scenarios
• Validated error handling for invalid file paths

PRs Merged

The following pull requests have been merged:

• #1: [WIP] Setup CDN File Storage Directory with Secure Permissions from @Vuk7912
• #2: [WIP] Initial Express Server Setup: Basic Application Structure from @souravg77
• #3: Configure Secure CDN Root Directory with Robust Initialization from @riksnelders
• #4: Implement Basic Express Server Setup with Configurable Port from @souravg77
• #5: Setup Express CDN Server Project Structure and Dependencies from @gapcomputer
• #6: [WIP] Setup Basic Express Server with Configurable Port from @Vuk7912
• #7: Configure Secure CDN Root Directory for File Storage from @ItsHugoo
• #8: Setup Express CDN Server Project Structure and Initial Configuration from @revonetworx
• #9: Implement Basic Express Server Setup with Configurable Port from @Merango

Signatures

Staking Key

GaAX5SsXwQtnAZpYuM8xiQy6jT6y45ZwceSDM44YmRDC: ZwRJgjUcgks54Tb5KLxKxPy58jvZVj3dbPAVv5yoHUTjjjwUgZYuAJCkzYxQ7figu96xNomZc4wzB21SeW6Y8yipBUmtR2uqKBo7hZaasFfZh4HHjbW4xN8y8FjfnubLB2mznTGRGPgmA86Wwmmid97vD5Jkw4LsN9M8GZonNYG1mHfM9rPZshrkBJjQ6LFRQiHQ43ic615hnSkXtrKwmWFhs77FQYcBGncocuxALagmgmneh2uyNFgjCqBvoJxp1tyNAwuvNNPadHLHxpLudLtX214r8Y7GLRkcLtXseRnZfmwS71TBMPThqVFiai7kREFMPUHrZ9RcyF4AKWR2TvTWPPK7W17xC1tiPSW66RoMtiYPC6ULmyyCRukYe3dxXYVLBEALDrNi7sosbryBQPcheokVofSHvC5u24

Public Key

HUqT8zPGT5GXD98yLtdhg35nBeSMJgZoHW26vXQkDe7o: AeKPhmKUMTXbotg9kSn69yrTSR6W3JrWwLA1tLorucWLCm7GzYZpU1fqYE9mhmJGRAVkUHFVxjyrczW4qz7byKrgVLys32beCoynvQ2XFihGUa1YKLMP9A3LfN1onQhm8DGscsEqqujPRkscaB8muoFxv6n4iAa4JTBkPHgv9oga9QiP3p6BxEtDu7iVoewvEcwfcEENU8Ljbyi7RTkRHypw3nSBvogoPa53qTWq2J6PNUBuRt6hUBvDtcWBvFHkSY4GhkM7SqdoqsKkpo8jh7KTYpKKTg7oXh3zEbay4e6syi9o326Bb8Q3H9Emw8CHsNrdor78K6dmVpGNgZitQ18ogbe17UXF6q7dANvKviJXX7RyUkszoWnTqjJV6xP7T8tLWZURT5GnkcV9Fwe6nbZExqfFvap4MuaRNt