Add legal consent and reliable external redirects

scripts/autoload/auth_state.gd

@@ -22,6 +22,11 @@ var expires_at := ""
 var expiration_unix := 0.0
 var refresh_in_progress := false
 var warning_active := false
+var requires_legal_acceptance := false
+var terms_version := ""
+var privacy_version := ""
+var terms_url := ""
+var privacy_url := ""
 var auth_base_url := DEFAULT_AUTH_BASE_URL
 var expiry_timer: Timer
 var refresh_request: HTTPRequest
@@ -42,7 +47,7 @@ func _ready() -> void:
 	refresh_request.request_completed.connect(_on_refresh_completed)
 	add_child(refresh_request)
 
-func set_session(new_username: String, token: String, new_refresh_token: String = "", new_role: String = "", token_expiration: String = "") -> void:
+func set_session(new_username: String, token: String, new_refresh_token: String = "", new_role: String = "", token_expiration: String = "", legal: Dictionary = {}) -> void:
 	session_revision += 1
 	is_logged_in = not token.is_empty()
 	username = new_username
@@ -54,6 +59,7 @@ func set_session(new_username: String, token: String, new_refresh_token: String
 	refresh_in_progress = false
 	refresh_revision = -1
 	warning_active = false
+	set_legal_state(legal, false)
 	if is_logged_in and expiration_unix > 0.0:
 		expiry_timer.start()
 	else:
@@ -63,6 +69,16 @@ func set_session(new_username: String, token: String, new_refresh_token: String
 		_evaluate_expiry.call_deferred()
 
 
+func set_legal_state(legal: Dictionary, notify := true) -> void:
+	requires_legal_acceptance = bool(legal.get("requiresLegalAcceptance", false))
+	terms_version = str(legal.get("termsVersion", terms_version))
+	privacy_version = str(legal.get("privacyVersion", privacy_version))
+	terms_url = str(legal.get("termsUrl", terms_url))
+	privacy_url = str(legal.get("privacyUrl", privacy_url))
+	if notify:
+		auth_changed.emit()
+
+
 func clear_session() -> void:
 	_clear_session_fields()
 	auth_changed.emit()
@@ -175,6 +191,9 @@ func _on_refresh_completed(result: int, response_code: int, _headers: PackedStri
 	expires_at = new_expiration
 	expiration_unix = new_expiration_unix
 	warning_active = false
+	var legal_value: Variant = parsed.get("legal", {})
+	if typeof(legal_value) == TYPE_DICTIONARY:
+		set_legal_state(legal_value, false)
 	session_revision += 1
 	expiry_timer.start()
 	auth_changed.emit()
@@ -197,6 +216,11 @@ func _clear_session_fields() -> void:
 	refresh_in_progress = false
 	refresh_revision = -1
 	warning_active = false
+	requires_legal_acceptance = false
+	terms_version = ""
+	privacy_version = ""
+	terms_url = ""
+	privacy_url = ""
 
 
 func _parse_expiration(value: String, token: String = "") -> float: