2025-08-12 21:30:41 +03:00
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extends RefCounted
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class_name GurtProtocol
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2025-11-07 20:47:41 +08:00
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static var DNS_SERVER_IP: String = "10.0.0.138"
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2025-09-07 18:49:32 +03:00
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static var DNS_SERVER_PORT: int = 4878
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static func set_dns_server(ip_port: String):
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if ":" in ip_port:
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var parts = ip_port.split(":")
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DNS_SERVER_IP = parts[0]
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DNS_SERVER_PORT = parts[1].to_int()
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else:
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DNS_SERVER_IP = ip_port
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DNS_SERVER_PORT = 4878
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2025-08-21 12:27:44 +03:00
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2025-08-12 21:30:41 +03:00
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static func is_gurt_domain(url: String) -> bool:
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2025-11-06 20:02:53 +08:00
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if url.begins_with("lw://"):
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2025-08-12 21:30:41 +03:00
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return true
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2025-08-14 20:29:19 +03:00
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if not url.contains("://"):
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2025-08-30 14:19:03 +03:00
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# Extract just the domain part (before any path)
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var domain = url.split("/")[0]
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2025-09-10 23:25:43 +03:00
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# Handle port numbers (e.g., localhost:4878)
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if domain.contains(":"):
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domain = domain.split(":")[0]
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# Check if it's a direct address (localhost, IP, etc.)
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if is_direct_address(domain):
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return true
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# Check if it's a standard domain (e.g., example.com)
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2025-08-30 14:19:03 +03:00
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var parts = domain.split(".")
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2025-08-14 20:29:19 +03:00
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return parts.size() == 2
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return false
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2025-08-12 21:30:41 +03:00
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2025-08-27 20:23:05 +03:00
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static func is_direct_address(domain: String) -> bool:
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# Check if it's already an IP address or localhost
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if domain.contains(":"):
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var parts = domain.split(":")
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domain = parts[0]
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2025-08-21 12:27:44 +03:00
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2025-08-27 20:23:05 +03:00
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return domain == "localhost" or domain == "127.0.0.1" or is_ip_address(domain)
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2025-08-12 21:30:41 +03:00
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2025-08-14 20:29:19 +03:00
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static func is_ip_address(address: String) -> bool:
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var parts = address.split(".")
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if parts.size() != 4:
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return false
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for part in parts:
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if not part.is_valid_int():
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return false
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var num = part.to_int()
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if num < 0 or num > 255:
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return false
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return true
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2025-08-27 20:23:05 +03:00
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static func resolve_gurt_domain(domain: String) -> String:
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if is_direct_address(domain):
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if domain == "localhost":
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return "127.0.0.1"
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return domain
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2025-08-21 12:27:44 +03:00
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2025-08-27 20:23:05 +03:00
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return domain
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2025-08-21 12:27:44 +03:00
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2025-08-12 21:30:41 +03:00
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static func get_error_type(error_message: String) -> Dictionary:
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if "DNS server is not responding" in error_message or "Domain not found" in error_message:
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2025-11-07 20:47:41 +08:00
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return {"code": "ERR_NAME_NOT_RESOLVED", "title": "连接站点时失败", "icon": "? :("}
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2025-08-12 21:30:41 +03:00
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elif "timeout" in error_message.to_lower() or "timed out" in error_message.to_lower():
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2025-11-07 20:47:41 +08:00
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return {"code": "ERR_CONNECTION_TIMED_OUT", "title": "连接站点时失败", "icon": "...?"}
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2025-08-14 20:29:19 +03:00
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elif "Failed to fetch" in error_message or "No response" in error_message:
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2025-11-07 20:47:41 +08:00
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return {"code": "ERR_CONNECTION_REFUSED", "title": "连接站点时失败", "icon": ">:("}
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2025-08-12 21:30:41 +03:00
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elif "Invalid domain format" in error_message:
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2025-11-06 15:39:58 +08:00
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return {"code": "ERR_INVALID_URL", "title": "页面没有在运作", "icon": ":|"}
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2025-08-12 21:30:41 +03:00
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else:
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2025-11-06 15:39:58 +08:00
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return {"code": "ERR_UNKNOWN", "title": "出现未知错误", "icon": ">_<"}
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2025-08-12 21:30:41 +03:00
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2025-08-15 13:52:01 +03:00
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static func create_error_page(error_message: String) -> PackedByteArray:
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2025-08-12 21:30:41 +03:00
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var error_info = get_error_type(error_message)
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2025-08-15 13:52:01 +03:00
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return ("""<head>
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2025-08-12 21:30:41 +03:00
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<title>""" + error_info.title + """ - GURT</title>
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<meta name="theme-color" content="#f8f9fa">
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<style>
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body { bg-[#ffffff] text-[#202124] font-sans p-0 m-0 }
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.error-container { flex flex-col items-center justify-center max-w-[600px] mx-auto px-6 text-center }
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.error-icon { text-6xl mb-6 opacity-60 w-32 h-32 }
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.error-title { text-[#202124] text-2xl font-normal mb-4 line-height-1.3 }
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.error-subtitle { text-[#5f6368] text-base mb-6 line-height-1.4 }
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.error-code { bg-[#f8f9fa] text-[#5f6368] px-3 py-2 rounded-md font-mono text-sm inline-block mb-6 }
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.suggestions { text-left max-w-[400px] w-[500px] }
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.suggestion-title { text-[#202124] text-lg font-normal mb-3 }
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.suggestion-list { text-[#5f6368] text-sm line-height-1.6 }
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.suggestion-item { mb-2 pl-4 relative }
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.suggestion-item:before { content-"•" absolute left-0 top-0 text-[#5f6368] }
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.retry-button { bg-[#1a73e8] text-[#ffffff] px-6 py-3 rounded-md font-medium text-sm hover:bg-[#1557b0] active:bg-[#1246a0] cursor-pointer border-none mt-4 }
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.details-section { mt-8 pt-6 border-t border-[#e8eaed] }
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.details-toggle { text-[#1a73e8] text-sm cursor-pointer hover:underline }
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.details-content { bg-[#f8f9fa] text-[#5f6368] text-xs font-mono p-4 rounded-md mt-3 text-left display-none }
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</style>
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<script>
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gurt.select("#reload"):on("click", function()
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gurt.location.reload()
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end)
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</script>
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</head>
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<body>
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<div style="error-container">
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<p style="error-icon">""" + error_info.icon + """</p>
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<h1 style="error-title">""" + error_info.title + """</h1>
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<p style="error-subtitle">""" + error_message + """</p>
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<div style="error-code">""" + error_info.code + """</div>
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<div style="suggestions">
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2025-11-06 15:39:58 +08:00
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<h2 style="suggestion-title">请尝试：</h2>
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2025-08-12 21:30:41 +03:00
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<ul style="suggestion-list">
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2025-11-06 15:39:58 +08:00
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<li style="suggestion-item">检查域名是否注册成功</li>
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<li style="suggestion-item">检查DNS服务器是否配置在正确</li>
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<li style="suggestion-item">检查你的网络连接</li>
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2025-08-12 21:30:41 +03:00
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</ul>
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</div>
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2025-11-06 15:39:58 +08:00
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<button style="retry-button" id="reload">重新加载</button>
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2025-08-12 21:30:41 +03:00
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</div>
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2025-08-15 13:52:01 +03:00
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</body>""").to_utf8_buffer()
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