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- package org.jeecg.common.system.util;
- import com.auth0.jwt.JWT;
- import com.auth0.jwt.JWTVerifier;
- import com.auth0.jwt.algorithms.Algorithm;
- import com.auth0.jwt.exceptions.JWTDecodeException;
- import com.auth0.jwt.interfaces.DecodedJWT;
- import com.google.common.base.Joiner;
- import java.util.Date;
- import javax.servlet.http.HttpServletRequest;
- import javax.servlet.http.HttpSession;
- import org.apache.shiro.SecurityUtils;
- import org.jeecg.common.constant.CommonConstant;
- import org.jeecg.common.constant.DataBaseConstant;
- import org.jeecg.common.exception.JeecgBootException;
- import org.jeecg.common.system.vo.LoginUser;
- import org.jeecg.common.system.vo.SysUserCacheInfo;
- import org.jeecg.common.util.DateUtils;
- import org.jeecg.common.util.SpringContextUtils;
- import org.jeecg.common.util.oConvertUtils;
- /**
- * @Author Scott
- * @Date 2018-07-12 14:23
- * @Desc JWT工具类
- **/
- public class JwtUtil {
- // Token过期时间30分钟(用户登录过期时间是此时间的两倍,以token在reids缓存时间为准)
- public static final long EXPIRE_TIME = 30 * 60 * 1000;
- /**
- * 校验token是否正确
- *
- * @param token 密钥
- * @param secret 用户的密码
- * @return 是否正确
- */
- public static boolean verify(String token, String username, String secret) {
- try {
- // 根据密码生成JWT效验器
- Algorithm algorithm = Algorithm.HMAC256(secret);
- JWTVerifier verifier = JWT.require(algorithm).withClaim("username", username).build();
- // 效验TOKEN
- DecodedJWT jwt = verifier.verify(token);
- return true;
- } catch (Exception exception) {
- return false;
- }
- }
- /**
- * 获得token中的信息无需secret解密也能获得
- *
- * @return token中包含的用户名
- */
- public static String getUsername(String token) {
- try {
- DecodedJWT jwt = JWT.decode(token);
- return jwt.getClaim("username").asString();
- } catch (JWTDecodeException e) {
- return null;
- }
- }
- /**
- * 生成签名,5min后过期
- *
- * @param username 用户名
- * @param secret 用户的密码
- * @return 加密的token
- */
- public static String sign(String username, String secret) {
- Date date = new Date(System.currentTimeMillis() + EXPIRE_TIME);
- Algorithm algorithm = Algorithm.HMAC256(secret);
- // 附带username信息
- return JWT.create().withClaim("username", username).withExpiresAt(date).sign(algorithm);
- }
- /**
- * 根据request中的token获取用户账号
- *
- * @param request
- * @return
- * @throws JeecgBootException
- */
- public static String getUserNameByToken(HttpServletRequest request) throws JeecgBootException {
- String accessToken = request.getHeader("X-Access-Token");
- String username = getUsername(accessToken);
- if (oConvertUtils.isEmpty(username)) {
- throw new JeecgBootException("未获取到用户");
- }
- return username;
- }
-
- /**
- * 从session中获取变量
- * @param key
- * @return
- */
- public static String getSessionData(String key) {
- //${myVar}%
- //得到${} 后面的值
- String moshi = "";
- if(key.indexOf("}")!=-1){
- moshi = key.substring(key.indexOf("}")+1);
- }
- String returnValue = null;
- if (key.contains("#{")) {
- key = key.substring(2,key.indexOf("}"));
- }
- if (oConvertUtils.isNotEmpty(key)) {
- HttpSession session = SpringContextUtils.getHttpServletRequest().getSession();
- returnValue = (String) session.getAttribute(key);
- }
- //结果加上${} 后面的值
- if(returnValue!=null){returnValue = returnValue + moshi;}
- return returnValue;
- }
-
- /**
- * 从当前用户中获取变量
- * @param key
- * @param user
- * @return
- */
- //TODO 急待改造 sckjkdsjsfjdk
- public static String getUserSystemData(String key,SysUserCacheInfo user) {
- if(user==null) {
- user = JeecgDataAutorUtils.loadUserInfo();
- }
- //#{sys_user_code}%
-
- // 获取登录用户信息
- LoginUser sysUser = (LoginUser) SecurityUtils.getSubject().getPrincipal();
-
- String moshi = "";
- if(key.indexOf("}")!=-1){
- moshi = key.substring(key.indexOf("}")+1);
- }
- String returnValue = null;
- //针对特殊标示处理#{sysOrgCode},判断替换
- if (key.contains("#{")) {
- key = key.substring(2,key.indexOf("}"));
- } else {
- key = key;
- }
- //替换为系统登录用户帐号
- if (key.equals(DataBaseConstant.SYS_USER_CODE)|| key.toLowerCase().equals(DataBaseConstant.SYS_USER_CODE_TABLE)) {
- if(user==null) {
- returnValue = sysUser.getUsername();
- }else {
- returnValue = user.getSysUserCode();
- }
- }
- //替换为系统登录用户真实名字
- else if (key.equals(DataBaseConstant.SYS_USER_NAME)|| key.toLowerCase().equals(DataBaseConstant.SYS_USER_NAME_TABLE)) {
- if(user==null) {
- returnValue = sysUser.getRealname();
- }else {
- returnValue = user.getSysUserName();
- }
- }
-
- //替换为系统用户登录所使用的机构编码
- else if (key.equals(DataBaseConstant.SYS_ORG_CODE)|| key.toLowerCase().equals(DataBaseConstant.SYS_ORG_CODE_TABLE)) {
- if(user==null) {
- returnValue = sysUser.getOrgCode();
- }else {
- returnValue = user.getSysOrgCode();
- }
- }
- //替换为系统用户所拥有的所有机构编码
- else if (key.equals(DataBaseConstant.SYS_MULTI_ORG_CODE)|| key.toLowerCase().equals(DataBaseConstant.SYS_MULTI_ORG_CODE_TABLE)) {
- if(user==null){
- //TODO 暂时使用用户登录部门,存在逻辑缺陷,不是用户所拥有的部门
- returnValue = sysUser.getOrgCode();
- }else{
- if(user.isOneDepart()) {
- returnValue = user.getSysMultiOrgCode().get(0);
- }else {
- returnValue = Joiner.on(",").join(user.getSysMultiOrgCode());
- }
- }
- }
- //替换为当前系统时间(年月日)
- else if (key.equals(DataBaseConstant.SYS_DATE)|| key.toLowerCase().equals(DataBaseConstant.SYS_DATE_TABLE)) {
- returnValue = DateUtils.formatDate();
- }
- //替换为当前系统时间(年月日时分秒)
- else if (key.equals(DataBaseConstant.SYS_TIME)|| key.toLowerCase().equals(DataBaseConstant.SYS_TIME_TABLE)) {
- returnValue = DateUtils.now();
- }
- //流程状态默认值(默认未发起)
- else if (key.equals(DataBaseConstant.BPM_STATUS)|| key.toLowerCase().equals(DataBaseConstant.BPM_STATUS_TABLE)) {
- returnValue = "1";
- }
- //update-begin-author:taoyan date:20210330 for:多租户ID作为系统变量
- else if (key.equals(DataBaseConstant.TENANT_ID) || key.toLowerCase().equals(DataBaseConstant.TENANT_ID_TABLE)){
- returnValue = sysUser.getRelTenantIds();
- if(oConvertUtils.isEmpty(returnValue) || (returnValue!=null && returnValue.indexOf(",")>0)){
- returnValue = SpringContextUtils.getHttpServletRequest().getHeader(CommonConstant.TENANT_ID);
- }
- }
- //update-end-author:taoyan date:20210330 for:多租户ID作为系统变量
- if(returnValue!=null){returnValue = returnValue + moshi;}
- return returnValue;
- }
-
- // public static void main(String[] args) {
- // String token = "eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJleHAiOjE1NjUzMzY1MTMsInVzZXJuYW1lIjoiYWRtaW4ifQ.xjhud_tWCNYBOg_aRlMgOdlZoWFFKB_givNElHNw3X0";
- // System.out.println(JwtUtil.getUsername(token));
- // }
- }
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