增加运营端kidgrow-opration-center

克 刘

2020-04-01 665fea41ef63806c26c9767907ca94ecbf370a79

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package com.xxl.job.admin.controller.interceptor;
 
import com.xxl.job.admin.controller.annotation.PermessionLimit;
import com.xxl.job.admin.core.conf.XxlJobAdminConfig;
import com.xxl.job.admin.core.util.CookieUtil;
import org.springframework.stereotype.Component;
import org.springframework.util.DigestUtils;
import org.springframework.web.method.HandlerMethod;
import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;
 
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.math.BigInteger;
 
/**
 * 权限拦截, 简易版
 *
 * @author xuxueli 2015-12-12 18:09:04
 */
@Component
public class PermissionInterceptor extends HandlerInterceptorAdapter {
 
 
    public static final String LOGIN_IDENTITY_KEY = "XXL_JOB_LOGIN_IDENTITY";
    private static String LOGIN_IDENTITY_TOKEN;
    public static String getLoginIdentityToken() {
        if (LOGIN_IDENTITY_TOKEN == null) {
            String username = XxlJobAdminConfig.getAdminConfig().getLoginUsername();
            String password = XxlJobAdminConfig.getAdminConfig().getLoginPassword();
 
            // login token
            String tokenTmp = DigestUtils.md5DigestAsHex(String.valueOf(username + "_" + password).getBytes());        //.getBytes("UTF-8")
            tokenTmp = new BigInteger(1, tokenTmp.getBytes()).toString(16);
 
            LOGIN_IDENTITY_TOKEN = tokenTmp;
        }
        return LOGIN_IDENTITY_TOKEN;
    }
 
    public static boolean login(HttpServletResponse response, String username, String password, boolean ifRemember){
 
        // login token
        String tokenTmp = DigestUtils.md5DigestAsHex(String.valueOf(username + "_" + password).getBytes());
        tokenTmp = new BigInteger(1, tokenTmp.getBytes()).toString(16);
 
        if (!getLoginIdentityToken().equals(tokenTmp)){
            return false;
        }
 
        // do login
        CookieUtil.set(response, LOGIN_IDENTITY_KEY, getLoginIdentityToken(), ifRemember);
        return true;
    }
    public static void logout(HttpServletRequest request, HttpServletResponse response){
        CookieUtil.remove(request, response, LOGIN_IDENTITY_KEY);
    }
    public static boolean ifLogin(HttpServletRequest request){
        String indentityInfo = CookieUtil.getValue(request, LOGIN_IDENTITY_KEY);
        if (indentityInfo==null || !getLoginIdentityToken().equals(indentityInfo.trim())) {
            return false;
        }
        return true;
    }
 
 
 
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        
        if (!(handler instanceof HandlerMethod)) {
            return super.preHandle(request, response, handler);
        }
        
        if (!ifLogin(request)) {
            HandlerMethod method = (HandlerMethod)handler;
            PermessionLimit permission = method.getMethodAnnotation(PermessionLimit.class);
            if (permission == null || permission.limit()) {
                response.sendRedirect(request.getContextPath() + "/toLogin");
                //request.getRequestDispatcher("/toLogin").forward(request, response);
                return false;
            }
        }
        
        return super.preHandle(request, response, handler);
    }
    
}