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package com.ck.blog.controller;
import com.alibaba.fastjson.JSONObject;
import com.ck.blog.exception.StateErrorException;
import com.ck.blog.utils.QQHttpClient;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import java.net.URLEncoder;
import java.util.UUID;
/*** @author ck* @create 2019-05-18 20:32*/
@Controller
public class QQController {
@Value(“${qq.oauth.http}”)
private String http;
/*** 发起请求* @param session* @return*/
@GetMapping(“/qq/oauth”)
public String qq(HttpSession session){
//QQ互联中的回调地址 String backUrl = http + “/qq/callback”;
//用于第三方应用防止CSRF攻击 String uuid = UUID.randomUUID().toString().replaceAll(“-“,””);
session.setAttribute(“state”,uuid);
//Step1：获取Authorization Code String url = “https://graph.qq.com/oauth2.0/authorize?response_type=code”+
“&client_id=” + QQHttpClient.APPID +
“&redirect_uri=” + URLEncoder.encode(backUrl) +
“&state=” + uuid;
return “redirect:” + url;
}
/*** QQ回调* @param request* @return*/
@GetMapping(“/qq/callback”)
public String qqcallback(HttpServletRequest request) throws Exception {
HttpSession session = request.getSession();
//qq返回的信息：http://graph.qq.com/demo/index.jsp?code=9A5F************************06AF&state=test String code = request.getParameter(“code”);
String state = request.getParameter(“state”);
String uuid = (String) session.getAttribute(“state”);
if(uuid != null){
if(!uuid.equals(state)){
throw new StateErrorException(“QQ,state错误”);
}
}
//Step2：通过Authorization Code获取Access Token String backUrl = http + “/qq/callback”;
String url = “https://graph.qq.com/oauth2.0/token?grant_type=authorization_code”+
“&client_id=” + QQHttpClient.APPID +
“&client_secret=” + QQHttpClient.APPKEY +
“&code=” + code +
“&redirect_uri=” + backUrl;
String access_token = QQHttpClient.getAccessToken(url);
//Step3: 获取回调后的 openid 值 url = “https://graph.qq.com/oauth2.0/me?access_token=” + access_token;
String openid = QQHttpClient.getOpenID(url);
//Step4：获取QQ用户信息 url = “https://graph.qq.com/user/get_user_info?access_token=” + access_token +
“&oauth_consumer_key=”+ QQHttpClient.APPID +
“&openid=” + openid;
JSONObject jsonObject = QQHttpClient.getUserInfo(url);
//也可以放到Redis和mysql中 session.setAttribute(“openid”,openid); //openid,用来唯一标识qq用户 session.setAttribute(“nickname”,(String)jsonObject.get(“nickname”)); //QQ名 session.setAttribute(“figureurl_qq_2”,(String)jsonObject.get(“figureurl_qq_2”)); //大小为100*100像素的QQ头像URL
return “redirect:/home”;
}
}
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