GCAuth

Grasscutter Authentication System

Version Compatibility

GCAuth	Grasscutter Development	Grasscutter Stable
2.5.0-fix	1.3.2-dev
2.5.0+	1.2.3-dev	1.1.0
2.4.0	1.2.0-dev - 1.2.2-dev	1.2.0
2.3.1	1.1.2-dev ( 141b191 and after )	-
2.2.1 - 2.3.0	1.1.2-dev ( before 141b191 )	-
2.1.4 - 2.1.6	1.1.1-dev	-
2.0.0 - 2.1.3	1.0.3-dev	1.1.0
1.0.0	1.0.2-dev	-

Usage :

• Place jar inside plugins folder of Grasscutter.
• To change hash algorithm change Hash in config.json inside plugins/GCAuth (Only Bcrypt and Scrypt is supported)
• To use access control, you need set the ACCESS_KEY in config.json inside plugins/GCAuth. (Optional)
• All payload must be send with application/json and Compact JSON format ( without unnecessary spaces )
• Auth endpoint is:
  • Authentication Checking : /authentication/type (GET) , it'll return GCAuthAuthenticationHandler if GCAuth is loaded and enabled.
  • Register: /authentication/register (POST)

  {"username":"username","password":"password","password_confirmation":"password_confirmation"}
  

  • Login: /authentication/login (POST)

  {"username":"username","password":"password"}
  

  • Change password: /authentication/change_password (POST)

  {"username":"username","new_password":"new_password","new_password_confirmation":"new_password_confirmation","old_password":"old_password"}
  

• If you set ACCESS_KEY you must add access_key: ACCESS_KEY in your payload.
• Response is JSON with following keys:
  • status : success or error
  • message :
    • AUTH_ENABLED : Plugin is enabled
    • AUTH_DISABLED : Plugin is disabled
    • EMPTY_BODY : No data was sent with the request
    • USERNAME_TAKEN : Username is already taken
    • PASSWORD_MISMATCH : Password does not match
    • UNKNOWN : Unknown error
    • INVALID_ACCOUNT : Username or password is invalid
    • NO_PASSWORD : Password is not set, please set password first by resetting it (change password)
    • ERROR_ACCESS_KEY : Access key is invalid (if access control is enabled)
  • jwt : JWT token if success with body :
    • token : Token used for authentication, paste it in username field of client.
    • username : Username of the user.
    • uid : UID of the user.

Config :

• hash : Hash algorithm used for password hashing. (Only Bcrypt and Scrypt is supported)
• jwtSecret : Secret used for JWT token.
• jwtExpiration : Expiration time of JWT token.
• otpExpiration : Expiration time of OTP.
• defaultPermission : Default permission of user.
• accessKey : Access key used for access control. (Optional)
• rateLimit :
  • maxRequests : Maximum requests per timeUnit.
  • timeUnit : Time unit of rateLimit. (seconds, minutes, hours, days)
  • endPoints[] : Endpoint to rate limit. (login, register, change_password)