package com.dsh.utils.login;
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import cn.mb.cloud.common.core.exception.BusinessException;
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import com.dsh.constant.AuthConstants;
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import com.dsh.constant.MsgConstants;
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import com.dsh.upms.model.bo.UserDetailBo;
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import com.dsh.upms.model.vo.LoginUserVo;
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import com.dsh.utils.CacheUtils;
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import com.dsh.utils.DateUtils;
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import com.dsh.utils.ObjectUtils;
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import com.dsh.utils.ServletUtils;
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import lombok.extern.slf4j.Slf4j;
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import org.apache.commons.lang3.StringUtils;
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import org.springframework.util.Assert;
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import javax.servlet.http.HttpServletRequest;
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import java.lang.reflect.Type;
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import java.time.LocalDateTime;
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import java.util.UUID;
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/**
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* * @author: lihong .
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* * @email: 765907456@qq.com .
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* * @createTime: 19-7-15 上午11:44 .
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* * description: 登录帮助工具.
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**/
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@Slf4j
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public final class LoginHelper {
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/**
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* admin后台操作记录userId Key
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*/
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public static final String ADMINUSERID = "adminUserId";
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/**
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* 获取用户.
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*
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* @return
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*/
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public static LoginUserVo getUser(String authorization) {
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LoginUserVo userByCache = getUserByCache(authorization);
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if (userByCache != null) {
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return userByCache;
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}
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return null;
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}
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/**
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* 转换
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*
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* @param convert
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* @param types
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* @param <T>
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* @return
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*/
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public static <T> T convert(Convert<T> convert, Type... types) {
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return convert.convert(ObjectUtils.newInstance((Class) ObjectUtils.buildType(types)));
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}
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/**
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* 获取当前推送设备号.
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* @return
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*/
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public static String getCurrentPushDevice(){
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HttpServletRequest httpServletRequest = ServletUtils.getHttpServletRequest();
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String jPushDevice = httpServletRequest.getHeader(AuthConstants.J_PUSH_DEVICE);
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return jPushDevice;
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}
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/**
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* token生成.
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*
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* @return
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*/
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public static String tokenGenerate() {
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return UUID.randomUUID().toString().replace("-", "");
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}
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/**
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* 更新用户.
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*/
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public static void update(LoginUserVo loginUserVo, long expire) {
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Assert.notNull(loginUserVo, "用户信息不能为空.");
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log.info("{}更新了token缓存时间", loginUserVo.getName());
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CacheUtils.put(loginUserVo.getToken(), loginUserVo, expire, CacheUtils.CacheTimeUnit.MILLISECONDS);
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}
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public static boolean isExpired(LoginUserVo loginUserVo) {
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Assert.notNull(loginUserVo, "用户信息不能为空.");
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//更新缓存中用户信息
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long diff = DateUtils.diff(loginUserVo.getStartTime(), LocalDateTime.now());
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if (diff < loginUserVo.getExpire()) {
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return true;
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} else {
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CacheUtils.delete(loginUserVo.getToken());
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return false;
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}
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}
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/**
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* 添加用户
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*
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* @param userBo
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* @param token
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* @param expire
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*/
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public static LoginUserVo addUser(UserDetailBo userBo, String token, Long expire) {
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Assert.notNull(userBo, "用户信息不能为空.");
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Assert.hasText(token, "令牌不能为空.");
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Assert.notNull(expire, "过期时间不能为空");
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LoginUserVo loginUserVo = covertUser(userBo, null);
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loginUserVo.setToken(token);
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loginUserVo.setExpire(expire);
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loginUserVo.setStartTime(LocalDateTime.now());
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CacheUtils.put(token, loginUserVo, expire, CacheUtils.CacheTimeUnit.MILLISECONDS);
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return loginUserVo;
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}
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/**
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* 移除用户信息
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*/
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public static void remove() {
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String authorization = getCurrentUserToken();
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CacheUtils.delete(authorization);
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}
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public static void remove(String tomke) {
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CacheUtils.delete(tomke);
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}
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/**
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* 用户是否存在.
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*
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* @param token
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* @return
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*/
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public static boolean userExist(String token) {
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if (StringUtils.isNotEmpty(token)) {
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return CacheUtils.exist(token);
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} else {
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return false;
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}
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}
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/**
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* 查询当前用户是否存在.
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*
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* @return
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*/
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public static boolean userExist() throws BusinessException {
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String authorization = getCurrentUserToken();
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if (StringUtils.isEmpty(authorization)) {
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throw new BusinessException(MsgConstants.USER_NOT_HAS_AUTH);
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}
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return userExist(authorization);
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}
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/**
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* 获取用户当前的设备号
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*
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* @return
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*/
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public static String getCurrentDevice() {
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HttpServletRequest request = ServletUtils.getHttpServletRequest();
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return request.getHeader(AuthConstants.DEVICE_HEADER);
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}
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/**
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* 设备号是否存在.
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*
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* @return
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*/
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public static boolean deviceExist() {
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return true;
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}
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/**
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* 转换用户信息.
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*
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* @param userBo
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* @param loginUserVo
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* @return
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*/
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public static LoginUserVo covertUser(UserDetailBo userBo, LoginUserVo loginUserVo) {
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if (loginUserVo == null) {
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loginUserVo = new LoginUserVo();
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}
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loginUserVo.setUsername(userBo.getUsername())
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.setName(userBo.getName())
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.setLockFlag(userBo.getLockFlag())
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.setId(userBo.getId());
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return loginUserVo;
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}
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/**
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* 从缓存中获取用户
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*
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* @param token
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* @return
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*/
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public static LoginUserVo getUserByCache(String token) {
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if (StringUtils.isNotEmpty(token)) {
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Boolean hasUser = CacheUtils.exist(token);
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if (hasUser != null && hasUser) {
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return CacheUtils.get(token);
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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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* 获取当前用户token
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*
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* @return
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*/
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private static String getCurrentUserToken() {
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try {
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HttpServletRequest request = ServletUtils.getHttpServletRequest();
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//获取是否存在
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String authorization = request.getHeader(AuthConstants.AUTH_HEADER);
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return authorization;
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}catch (Exception e){
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e.printStackTrace();
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return null;
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}
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}
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}
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