Secure File Orchestration and Synchronization System

A secure client-server application for file management with SSL/TLS encryption, user authentication, and a modern GUI interface.

Features

• Secure Communication

  • SSL/TLS encryption for all data transfers
  • Self-signed certificate support
  • Encrypted file storage
  • Secure user authentication

• User Management

  • Multiple user support
  • Password hashing with SHA-256
  • User-specific storage directories
  • Session management

• File Operations

  • Upload files
  • Download files
  • Delete files
  • View file previews
  • List files
  • Real-time file list updates

• Modern GUI Client

  • Tkinter-based graphical interface
  • Intuitive file operations
  • Progress indicators
  • Status updates
  • File preview window

• Robust Server

  • Multi-threaded connection handling
  • Graceful shutdown
  • Comprehensive logging
  • Error handling
  • Connection management

Screenshots

Login Page

Client Window

File Preview

Prerequisites

# Required Python packages
pip install cryptography
pip install pyOpenSSL
pip install tkinter

Project Structure

distributed-file-orchestration-and-synchronization/
├── config.py                 # Configuration settings
├── create_credentials.py     # User credential management
├── generate_certificate.py   # SSL certificate generation
├── gui_client.py            # GUI client application
├── ssl_server.py            # Secure server implementation
├── server_storage/          # File storage directory
├── logs/                    # Log files
└── temp/                    # Temporary files

Setup Instructions

1. Generate SSL Certificates

python generate_certificate.py

2. Create User Credentials

python create_credentials.py

3. Start the Server

python ssl_server.py

4. Launch the GUI Client

python gui_client.py

OR

Run the Script file

chmod +x run.sh
./run.sh

Default Credentials

• Admin User:

  • Username: admin
  • Password: admin123

• Regular User:

  • Username: user1
  • Password: user123

Configuration

The config.py file contains various settings:

• Server Configuration

  • Host and Port
  • Maximum Connections
  • Buffer Sizes
  • Storage Paths

• Security Settings

  • Login Attempt Limits
  • Session Timeouts
  • Password Requirements

• Logging Configuration

  • Log Levels
  • Log Formats
  • Log File Locations

Security Features

1. Data Protection

   • SSL/TLS encryption for transport
   • Fernet encryption for stored files
   • Secure password hashing

2. Access Control

   • User authentication
   • User-specific directories
   • Session management

3. System Security

   • Input validation
   • Error handling
   • Secure file operations

Usage

1. Login

   • Launch the GUI client
   • Enter credentials
   • Connect to server

2. File Operations

   • Upload: Select file to upload
   • Download: Select file and save location
   • Delete: Select file to remove
   • View: Preview file contents
   • Refresh: Update file list

Error Handling

The system includes comprehensive error handling for:

• Connection issues
• Authentication failures
• File operation errors
• Encryption/decryption problems
• Invalid inputs

Logging

Detailed logging is implemented for:

• Server operations
• Client connections
• File transfers
• Security events
• Error conditions

Development

To extend the system:

1. Add New Features

   • Implement new command in server
   • Add corresponding client function
   • Update GUI as needed

2. Modify Security

   • Edit SSL configuration
   • Update encryption methods
   • Enhance authentication

3. Custom Configuration

   • Modify config.py settings
   • Update server parameters
   • Adjust client behavior

Contributing

1. Fork the repository
2. Create a feature branch
3. Commit changes
4. Push to the branch
5. Create a Pull Request

Authors

• Snigdha SV
• Sujay SC
• Subham R Bhuyan
• Vaishnavi R

Acknowledgments

• Python SSL/TLS implementation
• Cryptography library
• Tkinter GUI framework