WX-Notice-Server/src/main/java/com/cybertogether/wx/notice/web/WxPushReceptionController.java

package com.cybertogether.wx.notice.web;

import com.cybertogether.wx.notice.infrastructure.Downstream;
import com.cybertogether.wx.notice.infrastructure.HttpClientUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;



/**
 * 接收微信推送通知
 * 授权流程文档
 * https://open.weixin.qq.com/cgi-bin/showdocument?action=dir_list&t=resource/res_list&verify=1&id=open1453779503&token=&lang=
 */
@RestController
@RequestMapping("/wx/pushReception")
public class WxPushReceptionController {
    private static final Logger LOGGER = LoggerFactory.getLogger(WxPushReceptionController.class);
    @Autowired
    Downstream downstream;

    /**
     * 接收微信的授权事件通知
     * 开发配置-开发资料-授权事件接收配置
     * localhost:8080/pandora/wx/pushReception/authorization?timestamp=34353535&nonce=4342344&msg_signature=ee661ba5dbbf82d488aaf18883808411d9c73b31
     * todo 应该在此处进行解密并验签，然后将解密后的数据体进行广播转发
     */
    @PostMapping("/authorization")
    public String receptionAuthorizationEvent(@RequestParam("timestamp") String timestamp,
                                              @RequestParam("nonce") String nonce,
                                              @RequestParam("msg_signature") String msgSignature,
                                              @RequestBody String encryptedXmlBodyText) {
        LOGGER.info("微信通知转发服务-收到微信授权通知");
        String urlParams = String.format("?timestamp=%s&nonce=%s&msg_signature=%s", timestamp, nonce, msgSignature);

        for (String url : downstream.getUrls()) {
            try {
                HttpClientUtils.postData(url + urlParams, encryptedXmlBodyText);
            }catch (Exception e) {
                // ignore
            }
        }

        return "success";
    }

    /**
     * 接收微信消息与事件通知
     * 开发配置-开发资料-消息与事件接收配置
     */
    @PostMapping("/msgEvent/{appId}")
    public String receptionMsgEvent(@RequestBody String requestBody, @PathVariable String appId) {
        LOGGER.info("微信通知转发服务-收到微信消息与事件通知-{}", requestBody);
        return "success";
    }
}