package com.zy.system.entity.license;
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import de.schlichtherle.license.*;
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import org.apache.logging.log4j.LogManager;
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import org.apache.logging.log4j.Logger;
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import java.io.File;
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import java.io.IOException;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.text.DateFormat;
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import java.text.MessageFormat;
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import java.text.SimpleDateFormat;
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import java.util.Base64;
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import java.util.prefs.Preferences;
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/**
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* License校验类
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*/
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public class LicenseVerify {
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private static Logger logger = LogManager.getLogger(LicenseVerify.class);
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/**
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* 安装License证书
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*/
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public synchronized LicenseContent install(LicenseVerifyParam param, String license) {
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LicenseContent result = null;
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DateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
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//1. 安装证书
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try {
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LicenseParam licenseParam = initLicenseParam(param);
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LicenseManager licenseManager = LicenseManagerHolder.getInstance(licenseParam);
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licenseManager.uninstall();
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File tempFileFromBase64 = createTempFileFromBase64(license);
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result = licenseManager.install(tempFileFromBase64);
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logger.info(MessageFormat.format("许可证加载成功,许可证有效期:{0} - {1}", format.format(result.getNotBefore()), format.format(result.getNotAfter())));
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} catch (Exception e) {
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logger.error("许可证加载失败!", e);
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}
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return result;
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}
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/**
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* 校验License证书
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*/
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public boolean verify(){
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try {
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LicenseManager licenseManager = LicenseManagerHolder.getInstance(null);
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DateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
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LicenseContent licenseContent = licenseManager.verify();
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logger.info(MessageFormat.format("许可证校验通过,许可证有效期:{0} - {1}",format.format(licenseContent.getNotBefore()),format.format(licenseContent.getNotAfter())));
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return true;
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}catch (Exception e){
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logger.error("许可证校验失败!",e);
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return false;
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}
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}
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/**
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* 校验License证书并获取证书信息
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*/
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public LicenseContent getVerifyInfo(){
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LicenseManager licenseManager = LicenseManagerHolder.getInstance(null);
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//校验证书
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try {
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LicenseContent licenseContent = licenseManager.verify();
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return licenseContent;
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}catch (Exception e){
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logger.error("许可证校验失败!",e);
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return null;
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}
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}
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/**
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* 初始化证书生成参数
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* @param param License校验类需要的参数
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* @return de.schlichtherle.license.LicenseParam
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*/
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private LicenseParam initLicenseParam(LicenseVerifyParam param){
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Preferences preferences = Preferences.userNodeForPackage(LicenseVerify.class);
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CipherParam cipherParam = new DefaultCipherParam(param.getStorePass());
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KeyStoreParam publicStoreParam = new CustomKeyStoreParam(LicenseVerify.class
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,param.getPublicKeysStorePath()
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,param.getPublicAlias()
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,param.getStorePass()
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,null);
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return new DefaultLicenseParam(param.getSubject()
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,preferences
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,publicStoreParam
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,cipherParam);
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}
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/**
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* 将Base64字符串转换为临时文件
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* @param base64String Base64编码的字符串
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* @param filePrefix 文件名前缀(例如 "license_")
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* @param fileSuffix 文件后缀(例如 ".lic")
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* @return 生成的临时File对象(自动在JVM退出时删除)
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* @throws IOException
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*/
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public File base64ToTempFile(String base64String, String filePrefix, String fileSuffix)
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throws IOException {
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// 解码Base64
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byte[] decodedBytes = Base64.getDecoder().decode(base64String);
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// 创建临时文件
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Path tempPath = Files.createTempFile(filePrefix, fileSuffix);
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// 写入内容
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Files.write(tempPath, decodedBytes);
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// 设置JVM退出时自动删除
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tempPath.toFile().deleteOnExit();
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return tempPath.toFile();
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}
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public File createTempFileFromBase64(String base64Data) throws IOException {
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return base64ToTempFile(base64Data, "temp_license_", ".bin");
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}
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}
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