5f5c0759ce
1. 修改 SysNotification 实体，新增 senderId, senderName, targetType 字段 2. 新增 SendNotificationRequest 请求DTO 3. 扩展通知类型至6种（新增用户通知、课程通知） 4. 实现角色层级权限控制，支持多级管理员通知下级 5. 支持老师群发课程通知给学生 6. 新增批量发送接口和权限配置
141 lines
3.5 KiB
Java
141 lines
3.5 KiB
Java
package art.kexue.sxwz.common.util;
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import lombok.extern.slf4j.Slf4j;
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import org.apache.commons.lang3.StringUtils;
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import jakarta.servlet.http.HttpServletRequest;
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import java.net.InetAddress;
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import java.net.UnknownHostException;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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/**
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* @author laoxu
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**/
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@Slf4j
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public class IpUtil {
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public final static String ERROR_IP = "127.0.0.1";
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public final static Pattern pattern = Pattern.
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compile("(2[5][0-5]|2[0-4]\\d|1\\d{2}|\\d{1,2})\\.(25[0-5]|2[0-4]\\d|1\\d{2}|\\d{1,2})\\.(25[0-5]|2[0-4]\\d|1\\d{2}|\\d{1,2})\\.(25[0-5]|2[0-4]\\d|1\\d{2}|\\d{1,2})");
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/**
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* 取外网IP
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*
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* @param request
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* @return
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*/
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public static String getRemoteIp(HttpServletRequest request) {
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String ip = request.getHeader("x-real-ip");
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if (ip == null) {
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ip = request.getRemoteAddr();
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}
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//过滤反向代理的ip
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String[] stemps = ip.split(",");
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if (stemps != null && stemps.length >= 1) {
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//得到第一个IP，即客户端真实IP
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ip = stemps[0];
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}
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ip = ip.trim();
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if (ip.length() > 23) {
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ip = ip.substring(0, 23);
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}
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return ip;
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}
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/**
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* 获取用户的真实ip
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*
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* @param request
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* @return
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*/
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public static String getUserIP(HttpServletRequest request) {
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// 优先取X-Real-IP
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String ip = request.getHeader("X-Real-IP");
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if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
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ip = request.getHeader("x-forwarded-for");
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}
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if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
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ip = request.getRemoteAddr();
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if ("0:0:0:0:0:0:0:1".equals(ip)) {
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ip = ERROR_IP;
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}
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}
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if ("unknown".equalsIgnoreCase(ip)) {
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ip = ERROR_IP;
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return ip;
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}
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int pos = ip.indexOf(',');
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if (pos >= 0) {
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ip = ip.substring(0, pos);
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}
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return ip;
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}
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public static String getLastIpSegment(HttpServletRequest request) {
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String ip = getUserIP(request);
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if (ip != null) {
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ip = ip.substring(ip.lastIndexOf('.') + 1);
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} else {
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ip = "0";
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}
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return ip;
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}
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public static boolean isValidIP(HttpServletRequest request) {
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String ip = getUserIP(request);
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return isValidIP(ip);
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}
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/**
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* 判断我们获取的ip是否是一个符合规则ip
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*
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* @param ip
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* @return
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*/
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public static boolean isValidIP(String ip) {
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if (StringUtils.isEmpty(ip)) {
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log.debug("ip is null. valid result is false");
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return false;
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}
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Matcher matcher = pattern.matcher(ip);
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boolean isValid = matcher.matches();
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log.debug("valid ip:" + ip + " result is: " + isValid);
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return isValid;
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}
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public static String getLastServerIpSegment() {
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String ip = getServerIP();
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if (ip != null) {
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ip = ip.substring(ip.lastIndexOf('.') + 1);
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} else {
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ip = "0";
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}
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return ip;
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}
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public static String getServerIP() {
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InetAddress inet;
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try {
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inet = InetAddress.getLocalHost();
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String hostAddress = inet.getHostAddress();
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return hostAddress;
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} catch (UnknownHostException e) {
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e.printStackTrace();
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}
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return "127.0.0.1";
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}
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}
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