package com.qianwen.license.common;
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import de.schlichtherle.license.*;
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import de.schlichtherle.xml.GenericCertificate;
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import de.schlichtherle.xml.XMLConstants;
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import org.apache.commons.lang3.StringUtils;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import java.beans.XMLDecoder;
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import java.io.BufferedInputStream;
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import java.io.ByteArrayInputStream;
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import java.io.UnsupportedEncodingException;
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import java.util.Date;
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import java.util.List;
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public class CustomLicenseManager extends LicenseManager {
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private static Logger logger = LoggerFactory.getLogger(CustomLicenseManager.class);
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public CustomLicenseManager(LicenseParam param) {
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super(param);
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}
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/**
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* 复写create方法
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*/
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@Override
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protected synchronized byte[] create(LicenseContent content, LicenseNotary notary) throws Exception {
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initialize(content);
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this.validateCreate(content);
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final GenericCertificate certificate = notary.sign(content);
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return getPrivacyGuard().cert2key(certificate);
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}
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/**
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* 复写install方法，其中validate方法调用本类中的validate方法，校验IP地址、Mac地址等其他信息
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*/
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@Override
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protected synchronized LicenseContent install(final byte[] key, final LicenseNotary notary) throws Exception {
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final GenericCertificate certificate = getPrivacyGuard().key2cert(key);
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notary.verify(certificate);
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final LicenseContent content = (LicenseContent) this.load(certificate.getEncoded());
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this.validate(content);
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setLicenseKey(key);
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setCertificate(certificate);
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return content;
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}
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/**
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* 复写verify方法，调用本类中的validate方法，校验IP地址、Mac地址等其他信息
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*/
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@Override
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protected synchronized LicenseContent verify(final LicenseNotary notary) throws Exception {
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// Load license key from preferences,
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final byte[] key = getLicenseKey();
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if (null == key) {
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throw new NoLicenseInstalledException(getLicenseParam().getSubject());
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}
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GenericCertificate certificate = getPrivacyGuard().key2cert(key);
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notary.verify(certificate);
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final LicenseContent content = (LicenseContent) this.load(certificate.getEncoded());
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this.validate(content);
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setCertificate(certificate);
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return content;
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}
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/**
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* 校验生成证书的参数信息
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*/
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protected synchronized void validateCreate(final LicenseContent content) throws LicenseContentException {
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final LicenseParam param = getLicenseParam();
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final Date now = new Date();
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final Date notBefore = content.getNotBefore();
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final Date notAfter = content.getNotAfter();
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if (null != notAfter && now.after(notAfter)) {
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throw new LicenseContentException("证书失效时间不能早于当前时间");
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}
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if (null != notBefore && null != notAfter && notAfter.before(notBefore)) {
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throw new LicenseContentException("证书生效时间不能晚于证书失效时间");
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}
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final String consumerType = content.getConsumerType();
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if (null == consumerType) {
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throw new LicenseContentException("用户类型不能为空");
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}
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}
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/**
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* 复写validate方法，用于增加我们额外的校验信息
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*/
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@Override
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protected synchronized void validate(final LicenseContent content) throws LicenseContentException {
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//1. 首先调用父类的validate方法
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super.validate(content);
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//2. 然后校验自定义的License参数，去校验我们的license信息
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LicenseExtraModel expectedCheckModel = (LicenseExtraModel) content.getExtra();
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// 做我们自定义的校验
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LicenseExtraModel serverCheckModel = getServerInfos();
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logger.info("获取的服务器信息：{}",serverCheckModel);
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// 做我们自定义的校验
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if(expectedCheckModel != null && serverCheckModel != null){
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//校验IP地址
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if(!checkIpAddress(expectedCheckModel.getIpAddress(),serverCheckModel.getIpAddress())){
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throw new LicenseContentException("当前服务器的IP没在授权范围内");
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}
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//校验Mac地址
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logger.info("预期的mac={}",expectedCheckModel.getMacAddress());
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if(!checkIpAddress(expectedCheckModel.getMacAddress(),serverCheckModel.getMacAddress())){
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throw new LicenseContentException("当前服务器的Mac地址没在授权范围内");
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}
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//校验主板序列号
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if(!checkSerial(expectedCheckModel.getMainBoardSerial(),serverCheckModel.getMainBoardSerial())){
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throw new LicenseContentException("当前服务器的主板序列号没在授权范围内");
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}
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//校验CPU序列号
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if(!checkSerial(expectedCheckModel.getCpuSerial(),serverCheckModel.getCpuSerial())){
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throw new LicenseContentException("当前服务器的CPU序列号没在授权范围内");
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}
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}else{
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throw new LicenseContentException("不能获取服务器硬件信息");
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}
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}
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/**
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* 重写XMLDecoder解析XML
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*/
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private Object load(String encoded) {
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BufferedInputStream inputStream = null;
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XMLDecoder decoder = null;
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try {
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inputStream = new BufferedInputStream(new ByteArrayInputStream(encoded.getBytes(XMLConstants.XML_CHARSET)));
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decoder = new XMLDecoder(new BufferedInputStream(inputStream, XMLConstants.DEFAULT_BUFSIZE), null, null);
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return decoder.readObject();
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} catch (UnsupportedEncodingException e) {
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e.printStackTrace();
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} finally {
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try {
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if (decoder != null) {
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decoder.close();
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}
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if (inputStream != null) {
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inputStream.close();
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}
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} catch (Exception e) {
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logger.error("XMLDecoder解析XML失败", e);
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}
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}
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return null;
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}
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/**
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* 校验当前服务器的IP/Mac地址是否在可被允许的IP范围内<br/>
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* 如果存在IP在可被允许的IP/Mac地址范围内，则返回true
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* @param expectedList
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* @param serverList
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* @return
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*/
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private boolean checkIpAddress(List<String> expectedList,List<String> serverList){
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if(expectedList != null && expectedList.size() > 0){
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if(serverList != null && serverList.size() > 0){
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for(String expected : expectedList){
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if(serverList.contains(expected.trim())){
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return true;
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}
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}
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}
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return false;
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}else {
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return true;
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}
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}
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/**
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* 校验当前服务器硬件（主板、CPU等）序列号是否在可允许范围内
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* @param expectedSerial
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* @param serverSerial
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* @return
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*/
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private boolean checkSerial(String expectedSerial,String serverSerial){
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if(StringUtils.isNotBlank(expectedSerial)){
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if(StringUtils.isNotBlank(serverSerial)){
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if(expectedSerial.equals(serverSerial)){
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return true;
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}
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}
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return false;
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}else{
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return true;
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}
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}
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/**
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* 获取当前服务器需要额外校验的License参数
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*/
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private LicenseExtraModel getServerInfos(){
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//操作系统类型
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String osName = System.getProperty("os.name").toLowerCase();
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AbstractServerInfos abstractServerInfos = null;
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//根据不同操作系统类型选择不同的数据获取方法
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if (osName.startsWith("windows")) {
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abstractServerInfos = new WindowsServerInfos();
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} else if (osName.startsWith("linux")) {
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abstractServerInfos = new LinuxServerInfos();
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}else{//其他服务器类型
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abstractServerInfos = new LinuxServerInfos();
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}
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return abstractServerInfos.getServerInfos();
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}
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}
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