open-JSD-9915/src/main/java/com/eco/plugin/xx/xytsso/filter/SSOFilter.java

package com.eco.plugin.xx.xytsso.filter;

import com.eco.plugin.xx.xytsso.utils.FRUtils;
import com.eco.plugin.xx.xytsso.utils.Utils;
import com.fr.decision.fun.impl.AbstractGlobalRequestFilterProvider;
import com.fr.plugin.context.PluginContexts;
import com.fr.record.analyzer.EnableMetrics;
import com.fr.stable.fun.Authorize;

import javax.servlet.FilterChain;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

@EnableMetrics
@Authorize(callSignKey = "com.eco.plugin.xx.xytsso")
public class SSOFilter extends AbstractGlobalRequestFilterProvider {
    @Override
    public String filterName() {
        return "xytssoFilter";
    }

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

    @Override
    public void doFilter(HttpServletRequest req, HttpServletResponse res, FilterChain chain ){

        if(PluginContexts.currentContext().isAvailable()){
            if(FRUtils.isLogin(req)){
                release(req,res,chain);
                return ;
            }
            String username = req.getHeader("iv-user");

            if(Utils.isNullStr(username)){
                release(req,res,chain);
                return ;
            }

            String url = Utils.getRedirectUrl(req,"");
            FRUtils.login(req,res,username,url);
        }

        release(req,res,chain);
    }

    //放行拦截器
    private void release(HttpServletRequest req, HttpServletResponse res, FilterChain chain) {
        try{
            chain.doFilter(req,res);
        }catch (Exception e){
            FRUtils.FRLogInfo("拦截失败");
        }
    }
}