81 lines
2.8 KiB
Java
81 lines
2.8 KiB
Java
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package com.yj.earth.common.util;
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import lombok.extern.slf4j.Slf4j;
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import oshi.SystemInfo;
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import oshi.hardware.*;
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import java.security.MessageDigest;
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import java.security.NoSuchAlgorithmException;
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import java.util.List;
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import java.util.HexFormat;
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/**
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* 服务器唯一标识工具类
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* 基于CPU、主板、磁盘、网卡硬件信息生成唯一标识、不更换核心硬件则标识不变
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*/
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@Slf4j
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public class ServerUniqueIdUtil {
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/**
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* 获取服务器唯一标识
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*/
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public static String getServerUniqueId() {
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// 初始化系统信息（oshi核心入口）
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SystemInfo systemInfo = new SystemInfo();
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HardwareAbstractionLayer hardware = systemInfo.getHardware();
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try {
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// 收集稳定的核心硬件信息
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StringBuilder hardwareRawInfo = new StringBuilder();
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// CPU唯一标识
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CentralProcessor cpu = hardware.getProcessor();
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String cpuId = cpu.getProcessorIdentifier().getProcessorID();
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if (cpuId != null && !cpuId.trim().isEmpty()) {
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hardwareRawInfo.append(cpuId).append("|");
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}
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// 主板UUID
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ComputerSystem mainBoard = hardware.getComputerSystem();
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String boardUuid = mainBoard.getHardwareUUID();
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if (boardUuid != null && !boardUuid.trim().isEmpty()) {
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hardwareRawInfo.append(boardUuid).append("|");
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}
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// 第一个物理磁盘序列号
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List<HWDiskStore> disks = hardware.getDiskStores();
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for (HWDiskStore disk : disks) {
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// 过滤虚拟磁盘（
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if (!disk.getModel().toLowerCase().contains("virtual") && disk.getSize() > 0) {
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String diskSerial = disk.getSerial();
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if (diskSerial != null && !diskSerial.trim().isEmpty()) {
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hardwareRawInfo.append(diskSerial).append("|");
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break;
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}
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}
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}
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// 第一个物理网卡MAC地址
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List<NetworkIF> netCards = hardware.getNetworkIFs();
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for (NetworkIF netCard : netCards) {
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String mac = netCard.getMacaddr();
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// 过滤条件非空、非全零MAC、非回环网卡
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if (mac != null && !mac.trim().isEmpty() && !mac.startsWith("00:00:00:00:00:00")) {
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hardwareRawInfo.append(mac).append("|");
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break;
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}
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}
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// MD5哈希
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MessageDigest md = MessageDigest.getInstance("MD5");
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byte[] hashBytes = md.digest(hardwareRawInfo.toString().getBytes());
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// 字节数组转十六进制字符串
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return HexFormat.of().formatHex(hashBytes).toUpperCase();
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} catch (Exception e) {
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return "unknown";
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}
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}
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}
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