Authentication and User Management

You can query the Firebase Auth backend through a REST API. This can be used for various operations such as creating new users, signing in existing ones and editing or deleting these users.
This plugin offers several methods to call these APIs just with one line of code.

Contents on this page:

• Signup with Email
• Login with Email
• Examples

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Signup with Email

From inside of Godot after you have set your configurations in the Firebase.gd script, you are able to call

Firebase.Auth.signup_with_email(email, password)

This will create the login_request_body variable and insert the correct data into it.

var login_request_body = {
    "email":"",
    "password":"",
    "returnSecureToken": true
   }

From there the script will POST the data to the signup_request_url and add the user to the application

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Login with Email

From inside of Godot after you have set your configurations in the Firebase.gd script, you are able to call

Firebase.Auth.login_with_email(email, password)

This will create the login_request_body variable and insert the correct data into it.

var login_request_body = {
    "email":"",
    "password":"",
    "returnSecureToken": true
   }

From there the script will POST the data to the signin_request_url, and wait for a response. The function func _on_FirebaseAuth_request_completed(result, response_code, headers, body) will take that response and parse it out for you.

Unable to parse body

If the script is unable to parse the body, it will print our an error to the console and 'return' out of the function

Body has RESPONSE_SIGNIN, RESPONSE_SIGNUP

If the response body has RESPONSE_SIGNIN, RESPONSE_SIGNUP, the user will be logged in and the refresh countdown will start This refresh is needed for Firebase, as there is a limit to how long a connection can be left open, and you need the connection to stay open for updates

Body has RESPONSE_USERDATA

If the response body has RESPONSE_USERDATA, the script will emit a signal "userdata_received" with the userdata

Body has INVALID_EMAIL, EMAIL_NOT_FOUND, INVALID_PASSWORD, USER_DISABLED or WEAK_PASSWORD

If the response body has INVALID_EMAIL, EMAIL_NOT_FOUND, INVALID_PASSWORD, USER_DISABLED or WEAK_PASSWORD, the login has failed and the script will emit a signal "login_failed". It will also pass the error code and error message to be printed into the console

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Examples

extends Node2D

func _ready():
	Firebase.Auth.connect("login_succeeded", self, "_on_FirebaseAuth_login_succeeded")
	Firebase.Auth.connect("login_failed", self, "on_login_failed")

func _on_login_pressed():
	var email = $email.text
	var password = $password.text
	Firebase.Auth.login_with_email_and_password(email, password)

func _on_register_pressed():
	var email = $email.text
	var password = $password.text
	Firebase.Auth.signup_with_email_and_password(email, password)

func _on_FirebaseAuth_login_succeeded(auth):
	var user = Firebase.Auth.get_user_data()
	print(user)
    
func on_login_failed(error_code, message):
	print("error code: " + str(error_code))
	print("message: " + str(message))

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