🎥 YouTube Clone – Full Stack Java Application (Memoli)

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This project was developed as the final project for an advanced programming course👨‍💻🥇. A full-featured YouTube Clone built entirely in Java, with a JavaFX client, Socket-based communication, RESTful media streaming, and MySQL database using Hibernate ORM. This application replicates the core experience of YouTube — including video playback, user interaction, and content management — with a strong emphasis on security, performance, and modular design.

Now ready to go!🎉🎉🎉

🧰 Technology Stack

Layer	Technology
Client (UI)
Server
Database
ORM
Networking
Streaming
Email

🚀 Features

✅ Core Functionalities

• 🔐 User Authentication: Login, Registration, Email verification
• 🏠 Home Page: Personalized feed with video previews & thumbnails
• 🔎 Search: Search videos by title, tags, or description
• 📥 Video Uploading: Add videos with metadata and tags
• 🏷️ Tags: Categorize videos using searchable tags
• 📺 Streaming Player:
  • Real-time streaming without full download
  • Playback controls: speed, volume, seek
• 💬 Comments:
  • Comment on videos
  • Like, dislike, and reply to comments
• 📂 Playlists: Create and manage custom playlists
• 🔔 Notifications: See updates from subscriptions
• 👤 User Profiles & Channels: View channel pages and video lists
• ❤️ Like/Dislike Videos
• 📥 Video Downloading: Download videos directly to local storage
• 🤖 Simple Video Recommendations: Based on tags and viewing history
• 📌 Subscriptions: Follow users and view content from subscribed channels

🧱 Architecture Overview

This application is built using a client-server architecture with clear separation of concerns across UI, networking, and business logic.

🔗 Communication

• Java Sockets are used for real-time communication between client and server
• Designed using a custom, structured Socket API
• All communication is encrypted to ensure privacy and integrity

📡 Media Transfer

• Videos are streamed via a Java RESTful API
• Supports byte-range (partial content) to enable seamless playback and seeking
• Videos can also be downloaded by users as needed

🗂️ Project Structure

/java
 ┣ /Client
 ┃ ┣ /ClientEncryption.java         # Client-side encryption
 ┃ ┗ /Youtube.java                  # JavaFX Application
 ┣ /Server
 ┃ ┣ /Database                 # Database Manager
 ┃ ┣ /Server.java              # Server 
 ┃ ┣ /ClientHandler.java
 ┃ ┣ /ServerEncryption.java    # Server-side encryption
 ┃ /Shared              
 ┃ ┣ /Api                      # DTOs 
 ┃ ┗ /Models                   # JPA entities
 ┣ /database
 ┃ ┗ schema.sql                # MySQL schema setup
 ┗ README.md

🔐 Security

• 🔒 Encrypted socket communication using custom RSA and AES encryption/decryption methods implemented in ServerEncryption and ClientEncryption classes to secure server-client data exchange.
• 🔑 Secure login with email-based verification

• 🛡️ Built-in checks to protect user actions and prevent data tampering

📹 Media Streaming & Download

• Videos are served via a dedicated REST API supporting:

  • HTTP byte-range for fast and smooth seeking
  • Video streaming with minimal startup delay
  • Video download for offline viewing

• The media player supports:

  • Adaptive playback speed
  • Volume control
  • Seek functionality
  • Stream without full file download

🎨User Interface (GUI)

The user interface for this project was developed using the JavaFX framework, enhanced with CSS for styling. Below are some of the key UI features:

• Responsive(all pages)
• Interactive(primary buttons|searchbar|hovering)
• Input validation before backend check(Minimums for name&username|constraints for password field)
• Shortcuts

🤝Contributing

Contributions are the heart of the open-source community, fostering learning, inspiration, and creativity. Your contributions are highly valued and appreciated.

If you have suggestions for improvements, please fork the repository and submit a pull request. Alternatively, you can open an issue with the “enhancement” tag.

Don’t forget to star🌟 the project! Thanks again!

🌟Acknowledgments

I would like to express my sincere gratitude to the following individuals for their invaluable contributions and support throughout this project:

• Mohsen Minavand, Ehsan Habibagahi and Mehrdad Shirvani (Contributors)
• Dr. Saeed R Kheradpishe (Instructor)
• Farid Karimi (Teaching Assistant(TA))
• Video and Image Files

📄 License

MIT License – See LICENSE file.