python-fastapi-mm-zhcs-yj-api/common/YzyApi.py

#!/usr/bin/python3
# -*- coding: utf-8 -*-
import random
import string
import hashlib
import time
import base64
import json
from utils.redis_util import *
import requests
from exceptions import YzyException

# 应用名称：茂名市智慧应急平台
# https://open.weixin.qq.com/connect/Oauth2/authorize?appid=wld341060039&redirect_uri=http://19.155.220.206/#/&response_type=code&scope=snsapi_base&agentid=1004302&state=xxxxxx#wechat_redirect

YZY_HOST = "http://19.15.0.128:8080"
# YZY_HOST = "https://xtbg.digitalgd.com.cn"

YZY_AGENTID = 1004302
YZY_CORPID = "wld341060039"
YZY_CORPSECRET = "5_8aOBBjioNbP7KDwjyBKmwnJ05-y1WbaJlt4irM1eA"

YZY_ACCESS_TOKEN_REDIS_KEY = "YZY_ACCESS_TOKEN_REDIS_KEY"

YZH_PASSID = "yzy_demo"
YZH_PASSTOKEN = "WjKat55cv6PrJtpCHld0trrHsv1mbCqL"

def __get_access_token():
    url = "{}/ebus/yzyapi/cgi-bin/gettoken?corpid={}&corpsecret={}".format(YZY_HOST, YZY_CORPID, YZY_CORPSECRET) 

    timestamp = str(int(time.time()))
    nonce = ranstr(20)
    signature = calcResponseSign(timestamp, YZH_PASSTOKEN, nonce)

    headers = {
        'Content-Type': 'application/json;charset=UTF-8',
        "x-tif-signature": signature,
        "x-tif-timestamp": timestamp,
        "x-tif-nonce": nonce,
        "x-tif-paasid": YZH_PASSID
    }
    response = requests.get(url, headers=headers, timeout=15)
    print('yzy return:', response.text)
    if response.status_code == 200 :
        result = response.json()
        errcode = int(result['errcode'])
        if errcode == 0:
            return result['access_token']
        else:
            raise YzyException(errcode=errcode, errmsg=result['errmsg'])

def get_cache_access_token():
    access_token = redis_get(YZY_ACCESS_TOKEN_REDIS_KEY)
    if access_token is None:
        access_token = __get_access_token()
        redis_set_with_time(YZY_ACCESS_TOKEN_REDIS_KEY, access_token, 3600)
    
    return access_token

def send_textcard_message(users, title: str, description: str, detail_url: str):
    access_token = get_cache_access_token()
    url = "{}/ebus/yzyapi/cgi-bin/message/send?access_token={}".format(YZY_HOST, access_token)
    
    data = {
        "touser": "|".join(users),
        "msgtype" : "textcard",
        "agentid" : YZY_AGENTID,
        "textcard": {
            "title": title,
            "description": description,
            "url": detail_url
        }
    }

    return __post_url__(url, data)

def __post_url__(url, data):
    print('yzy url:', url)
    print('yzy data:', data)
    json_str = json.dumps(data, ensure_ascii=False)
    data = json_str.encode('utf-8')
    
    timestamp = str(int(time.time()))
    nonce = ranstr(20)
    signature = calcResponseSign(timestamp, YZH_PASSTOKEN, nonce)

    headers = {
        'Content-Type': 'application/json;charset=UTF-8',
        "x-tif-signature": signature,
        "x-tif-timestamp": timestamp,
        "x-tif-nonce": nonce,
        "x-tif-paasid": YZH_PASSID
    }
    response = requests.post(url, data=data,headers=headers, timeout=15)
    print('yzy return:', response.text)
    
    if response.status_code == 200 :
        result = response.json()
        errcode = int(result['errcode'])
        if errcode == 0:
            return True
        else:
            raise YzyException(errcode=errcode, errmsg=result['errmsg'])
        

def ranstr(num):
    salt = ''.join(random.sample(
        string.ascii_letters + string.digits, num))
    return salt

#
#
# 生成校验码
#
#
def authentication(timestamp, token, nonce, uid, uinfo, ext, signature):
    sign_data_sha256 = calcRequestSign(
        timestamp, token, nonce, uid, uinfo, ext)
    return sign_data_sha256 == signature.upper()

#
#
# 计算校验码
#
#
def calcResponseSign(timestamp, token, nonce):
    sign_data = "{}{}{}{}".format(timestamp, token, nonce, timestamp)
    return hashlib.sha256(
        sign_data.encode("utf8")
        ).hexdigest().upper()

#
#
# 计算校验码
#
#
def calcRequestSign(timestamp, token, nonce, uid, uinfo, ext):
    sign_data = "{}{}{},{},".format(
        timestamp, token, nonce, uid)

    if len(uinfo) == 0:
        sign_data = sign_data + ","
    else:
        sign_data = sign_data + uinfo + ","

    if len(ext) == 0:
        sign_data = sign_data
    else:
        sign_data = sign_data + ext

    sign_data = sign_data + timestamp

    return hashlib.sha256(
        sign_data.encode("utf8")
        ).hexdigest().upper()