openresty 钉钉签名计算

local function temp_code_get_unionid(code)

    --时间戳
    local timestamp = ngx.now()*1000

    --签名计算
    local app_secret = appsecret
    local hmac_sha256 = hmac:new(app_secret, hmac.ALGOS.SHA256)
        if not hmac_sha256 then
            return false,"failed to create the hmac_sha1 object"
        end
    local ok = hmac_sha256:update(tostring(timestamp))
        if not ok then
            return false,"failed to add data"
        end
    local mac = hmac_sha256:final()  -- binary mac
    local signature=ngx.encode_base64(mac)
    if not hmac_sha256:reset() then
        return false,"failed to reset hmac_sha256"
    end
    local sign = urlEncode(signature)
    -- appid 是创建扫码登陆中的appid

    --获取用户信息
    local user_info_url = 'https://oapi.dingtalk.com/sns/getuserinfo_bycode?signature='..sign..'&timestamp='..timestamp..'&accessKey='..appid
    local data={tmp_auth_code = code }
    local res,err=post(user_info_url,cjson.encode(data))
    if res == nil or cjson.decode(res.body)['errcode']~=0 then
        return false,"获取用户unionid失败"
    end
    return true,cjson.decode(res.body)["user_info"]["unionid"]

end

python版本

import requests
import json
import time
import hmac
import hashlib
import base64
import urllib.parse


#计算签名
timestamp = str(round(time.time() * 1000))

#相当于(钉钉后台->登陆->扫码登录->appid)
app_key='adfadfadfasdf'
#相当于app_secret(钉钉后台->登陆->扫码登录->appSecret)
app_secret = 'this is secret'
app_secret_enc = app_secret.encode('utf-8')
hmac_code = hmac.new(app_secret_enc, timestamp.encode("utf-8"), digestmod=hashlib.sha256).digest()
#转urlencode
sign = urllib.parse.quote_plus(base64.b64encode(hmac_code))
#VxX%2BHojnQ9N7svwrDN8HsztRtbhHYwRxaW%2BSIVE%2BkOI%3D


#请求用户信息
url = "https://oapi.dingtalk.com/sns/getuserinfo_bycode?signature={}&timestamp={}&accessKey={}".format(sign,timestamp,app_key)

#code来自于回掉地址
payload_j={
    'tmp_auth_code':'7a084e1b50d2361ab4d04cd7a9199063'
}
headers = {
    'Content-Type':"application/json;charset=UTF-8"
}

response = requests.request("POST", url, headers=headers, data = json.dumps(payload_j))

print(response.text)