def wechat(request):
r1 = redis_client()
WECHAT_TOKEN = r1.get('WECHAT_ESPUSH_TOKEN')
if not WECHAT_TOKEN:
logger.error('未配置TOKEN,失败')
return HttpResponseServerError("服务端错误，未配置")
signature = request.GET.get('signature')
timestamp = request.GET.get('timestamp')
nonce = request.GET.get('nonce')
echostr = request.GET.get('echostr')
if (not nonce) or (not timestamp) or (not signature):
return HttpResponseBadRequest('ERROR')
sOut = hashlib.sha1(''.join(sorted([WECHAT_TOKEN, timestamp,
nonce]))).hexdigest()
logger.info('signature: [%s], [%s]', signature, sOut)
if sOut != signature:
logger.warn('签名不正确，忽略')
return HttpResponseBadRequest("ERROR")
if request.method == 'GET':
return HttpResponse(echostr)
if request.method == 'POST':
msg = parse_user_msg(request.body)
logger.info(u'消息: [%s]', msg.type)
if msg.type == 'subscribe':
return subscribe_msg(request, msg)
elif msg.type == 'unsubscribe':
return unsubscribe_msg(request, msg)
elif msg.type == 'view':
logger.info('页面跳转事件，忽略')
return HttpResponse("")
elif msg.type == 'text':
logger.info('用户直接沟通反馈')
weuser = wechat_get_user(msg.source)
feedback_msg = WechatFeedback(content=msg.content,
wechat_user=weuser)
feedback_msg.save()
rsp_content = '小E已经收到您的呼唤，我会尽快给您回复'
rsp = TextReply(message=msg, content=rsp_content)
return HttpResponse(rsp.render())
else:
logger.warn('未知消息类型')
content = '小E也不知道您在嘀咕个啥'
rsp = TextReply(message=msg, content=content)
return HttpResponse(rsp.render())
def unsubscribe_msg(request, msg):
user_openid = msg.source
wechat_users = WechatUser.objects.filter(openid=user_openid, stat='VALID')
if not wechat_users:
logger.warn('未保存的微信用户 [%s] 取消关注', user_openid)
else:
wechat_user = wechat_users[0]
wechat_user.stat = 'UNFOLLOWED'
wechat_user.save()
retmsg = TextReply(message=msg, content='bye')
return HttpResponse(retmsg.render())
def subscribe_msg(request, msg):
user_openid = msg.source
wechat_get_user(user_openid)
welcome_url = 'https://espush.cn/weixin/wechat_webapp/'
quoted_welcome_url = get_wechat_redirect_url(welcome_url)
content = """欢迎关注ESPUSH
ESPUSH 是专门为ESP8266 WIFI物联网而开发的云平台，针对云端远程控制、数据采集等应用场景做了深度优化。
<a href="%s">点这里手机控制您的WIFI</a>
有什么意见，您也可以直接微信与我沟通，收到您的反馈后我会尽快回复您。
""" % quoted_welcome_url
retmsg = TextReply(message=msg, content=content)
return HttpResponse(retmsg.render())
