extends RefCounted
class_name GurtProtocol
static var DNS_SERVER_IP: String = "135.125.163.131"
static var DNS_SERVER_PORT: int = 4878
static func set_dns_server(ip_port: String):
if ":" in ip_port:
var parts = ip_port.split(":")
DNS_SERVER_IP = parts[0]
DNS_SERVER_PORT = parts[1].to_int()
else:
DNS_SERVER_IP = ip_port
DNS_SERVER_PORT = 4878
static func is_gurt_domain(url: String) -> bool:
if url.begins_with("lw://"):
return true
if not url.contains("://"):
# Extract just the domain part (before any path)
var domain = url.split("/")[0]
# Handle port numbers (e.g., localhost:4878)
if domain.contains(":"):
domain = domain.split(":")[0]
# Check if it's a direct address (localhost, IP, etc.)
if is_direct_address(domain):
return true
# Check if it's a standard domain (e.g., example.com)
var parts = domain.split(".")
return parts.size() == 2
return false
static func is_direct_address(domain: String) -> bool:
# Check if it's already an IP address or localhost
if domain.contains(":"):
var parts = domain.split(":")
domain = parts[0]
return domain == "localhost" or domain == "127.0.0.1" or is_ip_address(domain)
static func is_ip_address(address: String) -> bool:
var parts = address.split(".")
if parts.size() != 4:
return false
for part in parts:
if not part.is_valid_int():
return false
var num = part.to_int()
if num < 0 or num > 255:
return false
return true
static func resolve_gurt_domain(domain: String) -> String:
if is_direct_address(domain):
if domain == "localhost":
return "127.0.0.1"
return domain
return domain
static func get_error_type(error_message: String) -> Dictionary:
if "DNS server is not responding" in error_message or "Domain not found" in error_message:
return {"code": "ERR_NAME_NOT_RESOLVED", "title": "无法连接到站点", "icon": "? :("}
elif "timeout" in error_message.to_lower() or "timed out" in error_message.to_lower():
return {"code": "ERR_CONNECTION_TIMED_OUT", "title": "连接网站中超时", "icon": "...?"}
elif "Failed to fetch" in error_message or "No response" in error_message:
return {"code": "ERR_CONNECTION_REFUSED", "title": "连接出现问题", "icon": ">:("}
elif "Invalid domain format" in error_message:
return {"code": "ERR_INVALID_URL", "title": "页面没有在运作", "icon": ":|"}
else:
return {"code": "ERR_UNKNOWN", "title": "出现未知错误", "icon": ">_<"}
static func create_error_page(error_message: String) -> PackedByteArray:
var error_info = get_error_type(error_message)
return ("""
""" + error_info.title + """ - GURT