open-JSD-8075/src/main/java/com/fr/plugin/NDXloginFilter.java

package com.fr.plugin;

import com.fr.decision.fun.impl.AbstractGlobalRequestFilterProvider;
import com.fr.decision.webservice.v10.login.LoginService;
import com.fr.log.FineLoggerFactory;
import com.fr.plugin.transform.ExecuteFunctionRecord;
import com.fr.plugin.transform.FunctionRecorder;
import com.fr.stable.StringUtils;
import com.fr.web.utils.WebUtils;
import org.json.JSONObject;

import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.nio.charset.StandardCharsets;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.HashMap;
import java.util.Map;

@FunctionRecorder(localeKey = "ffe")
public class NDXloginFilter extends AbstractGlobalRequestFilterProvider {
    @Override
    public String filterName() {
        return "ndLoginxxxxxxx";
    }

    @Override
    public String[] urlPatterns() {
        return new String[]{
                "/dee"
        };
    }

    @Override
    public void init(FilterConfig filterConfig) {
        NDConfig.getInstance();
        FineLoggerFactory.getLogger().info("登录插件初始化");
        super.init(filterConfig);
    }

    @Override
    @ExecuteFunctionRecord
    public void doFilter(HttpServletRequest request, HttpServletResponse httpServletResponse, FilterChain filterChain) {
        try {
            String token = WebUtils.getHTTPRequestParameter(request, "token");
            if (StringUtils.isNotBlank(token)) {
                NDConfig ndConfig = NDConfig.getInstance();
                String url = String.format("%s?Token=%s&Sys=%s",ndConfig.getValAddr(),token,ndConfig.getAppId());
                Map<String, Object> params = new HashMap<>();
                params.put("Token", token);
                params.put("Sys", ndConfig.getAppId());
                String json = HttpUtils.httpPost(url, params);
                if (StringUtils.isNotBlank(json)) {
                    JSONObject jsonObject = new JSONObject(json);
                    String result = jsonObject.getString("result");
                    if (StringUtils.equals(result,"True")) {
                        String empNo = jsonObject.getString("empNo");
                        login(request, httpServletResponse, empNo);
                    }
                }
                FineLoggerFactory.getLogger().info("登录认证，收到token ：", token);
            }
            filterChain.doFilter(request, httpServletResponse);
        } catch (IOException | ServletException e) {
            printException2FrLog(e);
        } catch (Exception e) {
            printException2FrLog(e);
        }
    }

    public static void printException2FrLog(Throwable e) {
        StringWriter writer = new StringWriter();
        e.printStackTrace(new PrintWriter(writer));
        String s = writer.toString();
        FineLoggerFactory.getLogger().error("错误：{}", s);
    }

    private void sendRedirect(HttpServletResponse res, String url) {
        res.setStatus(HttpServletResponse.SC_MOVED_TEMPORARILY);
        res.setHeader("Location", url);
    }


    private void login(HttpServletRequest req, HttpServletResponse res, String username) {
        String token = null;
        try {
            token = LoginService.getInstance().login(req, res, username);
            req.setAttribute("fine_auth_token", token);
            FineLoggerFactory.getLogger().error("login success");
        } catch (Exception e) {
            FineLoggerFactory.getLogger().error(e.getMessage(), e);
            FineLoggerFactory.getLogger().error("login failed");
        }
    }

    private boolean isLogin(HttpServletRequest req) {
        return LoginService.getInstance().isLogged(req);
    }


}