ClickAuth
ClickAuth is an offline authentication plugin for Spigot/Paper that actually works.

Features

• Effortless. Ready to use out of the box.
• Secure. The server admins cannot see your password.
• No commands needed to log in, input is directly in chat.
• You only have to log in once.
  • Afterward, you'll be logged in automatically, unless your IP changes.
• Highly configurable.
• Players cannot execute any commands until they are logged in.
• Language support for English and German.

Security & Privacy

• Passwords are hashed and salted using the bcrypt algorithm.
• IP addresses are hashed using SHA256.

Commands

• /reset_password [player] - Resets your own or the given player's password. You will then be prompted to enter a new password.
  • Permissions: clickauth.reset_password.self, clickauth.reset_password.others
• /invalidate_session [player] - Invalidates your own or the given player's session. This will require them to log in again.
  • Permissions: clickauth.invalidate_session.self, clickauth.invalidate_session.others This will require them to log in again.

Configuration

• The configuration file is located at plugins/ClickAuth/config.yml.

License

• This project is licensed under the GPLv3 license.