81 lines
2.7 KiB
C#
81 lines
2.7 KiB
C#
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using System;
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using System.Management;
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using System.Text;
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using PCL.Core.Logging;
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using PCL.Core.Utils.Exts;
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using PCL.Core.Utils.Hash;
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namespace PCL.Core.Utils.Secret;
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public class Identify
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{
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public static byte[] RawId { get => field ??= _GetRawId(); } = null!;
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public static string LauncherId { get => field ??= _getLauncherId(); } = null!;
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private static byte[] _GetRawId()
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{
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var code = new StringBuilder();
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try
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{
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code.Append("UUID:").Append(_GetWmiProperty("Win32_ComputerSystemProduct", "UUID"))
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.Append("|MB_Prod:").Append(_GetWmiProperty("Win32_BaseBoard", "Product"))
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.Append("|MB_SN:").Append(_GetWmiProperty("Win32_BaseBoard", "SerialNumber"))
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.Append("|CPU:").Append(_GetWmiProperty("Win32_Processor", "ProcessorId"));
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}
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catch (Exception ex)
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{
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LogWrapper.Error(ex, "Identify", "获取设备基础信息失败");
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}
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return Encoding.UTF8.GetBytes(SHA512Provider.Instance.ComputeHash(code.ToString()).ToHexString());
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}
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private static string _GetWmiProperty(string className, string propertyName)
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{
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try
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{
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using var searcher =
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new ManagementObjectSearcher($"SELECT {propertyName} FROM {className}");
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using var results = searcher.Get();
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foreach (var obj in results)
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{
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if (obj[propertyName] is not null)
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return (obj[propertyName].ToString() ?? string.Empty).Trim();
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}
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}
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catch { /* Ignore */ }
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return string.Empty;
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}
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private static string _getLauncherId()
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{
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try
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{
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var prefix = "PCL-CE|"u8.ToArray();
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var ctx = RawId;
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var suffix = "|LauncherId"u8.ToArray();
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var buffer = new byte[prefix.Length + ctx.Length + suffix.Length];
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var bufferSpan = buffer.AsSpan();
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prefix.CopyTo(bufferSpan[..prefix.Length]);
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ctx.CopyTo(bufferSpan.Slice(prefix.Length, ctx.Length));
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suffix.CopyTo(bufferSpan.Slice(prefix.Length + ctx.Length, suffix.Length));
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Array.Clear(ctx);
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var sample = SHA512Provider.Instance.ComputeHash(bufferSpan).ToHexString();
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bufferSpan.Clear();
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// 16 in length, 8 bytes, 64 bits, enough for us
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return sample.Substring(64, 16)
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.ToUpper()
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.Insert(4, "-")
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.Insert(9, "-")
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.Insert(14, "-");
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}
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catch (Exception ex)
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{
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LogWrapper.Error(ex, "Identify", "无法获取识别码");
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return "PCL2-CECE-GOOD-2025";
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}
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}
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}
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