#!/usr/bin/env python # coding: utf-8 from time import strftime, localtime import urllib, urllib2, json import hmac, hashlib class RandCode(object):  APP_ID = ''  APP_SECRET = ''  ACCESS_TOKEN = ''  RANDCODE_TOKEN = ''  TOKEN_API = 'https://oauth.api.189.cn/emp/oauth2/v2/access_token'  RANDCODE_TOKEN_API = 'http://api.189.cn/v2/dm/randcode/token'  RANDCODE_SEND_API = 'http://api.189.cn/v2/dm/randcode/send'  RANDCODE_SENDSMS_API = 'http://api.189.cn/v2/dm/randcode/sendSms'  def __init__(self, app_id='', app_secret='', access_token=''):   self.APP_ID = app_id or RandCode.APP_ID   self.APP_SECRET = app_secret or RandCode.APP_SECRET   self.ACCESS_TOKEN = access_token or self.__fetch_access_token()   self.RANDCODE_TOKEN = self.__fetch_randcode_token()  def send(self, phone, url, exp_time):   result = False   if self.ACCESS_TOKEN and self.RANDCODE_TOKEN:    data = {     'app_id':self.APP_ID,     'access_token':self.ACCESS_TOKEN,     'token':self.RANDCODE_TOKEN,     'phone':phone,     'url':url,     'exp_time':exp_time,     'timestamp':self.__date_time(),     }    data = self.__build_request_string(data)    data = self.__data_sign(data)    if data:     res = self.__request_data('post', data, self.RANDCODE_SEND_API)     json_data = json.loads(res)     if json_data['res_code'] == 0:      result = True   return result  def send_sms(self, phone, randcode, exp_time='2'):   result = False   if self.ACCESS_TOKEN and self.RANDCODE_TOKEN:    data = {     'app_id':self.APP_ID,     'access_token':self.ACCESS_TOKEN,     'token':self.RANDCODE_TOKEN,     'phone':phone,     'randcode':str(randcode),     'exp_time':exp_time,     'timestamp':self.__date_time(),     }    data = self.__build_request_string(data)    data = self.__data_sign(data)    if data:     res = self.__request_data('post', data, self.RANDCODE_SENDSMS_API)     json_data = json.loads(res)     if json_data['res_code'] == 0:      result = True   return result   pass  def __request_data(self, method, data, url):   if isinstance(data, dict):    data = urllib.urlencode(data)   if method == 'post':    req = urllib2.Request(url, data)   else:    url = '%s?%s' % (url, data)    req = urllib2.Request(url)   return urllib2.urlopen(req).read()  def __fetch_access_token(self):   access_token = self.ACCESS_TOKEN   if access_token == '':    data = {     'grant_type':'client_credentials',     'app_id':self.APP_ID,     'app_secret':self.APP_SECRET,     }    res = self.__request_data('post', data, self.TOKEN_API)    json_data = json.loads(res)    if json_data['res_code'] == '0':     access_token = json_data['access_token']    else:     raise ValueError(json_data['res_message'])   return access_token  def __fetch_randcode_token(self):   result = ''   if self.ACCESS_TOKEN != '':    data = {     'app_id':self.APP_ID,     'access_token':self.ACCESS_TOKEN,     'timestamp':self.__date_time(),     }    data = self.__build_request_string(data)    data = self.__data_sign(data)    if data:     res = self.__request_data('get', data, self.RANDCODE_TOKEN_API)     json_data = json.loads(res)     if json_data['res_code'] == 0:      result = json_data['token']     else:      raise ValueError(json_data['res_message'])   return result  def __data_sign(self, data):   result = ''   if data:    if isinstance(data, dict):     data = self.__build_request_string(data)     sign = hmac.new(self.APP_SECRET, urllib.urlencode(data), hashlib.sha1).digest()    elif isinstance(data, unicode):     sign = hmac.new(self.APP_SECRET, data, hashlib.sha1).digest()    if data:     result = "%s&sign=%s" % ( data, urllib.quote(sign.encode('base64').strip()) )   return result  def __build_request_string(self, dict):   keys = dict.keys()   keys.sort()   return '&'.join([ key + "=" + dict[key] for key in keys ])  def __date_time(self):   return strftime("%Y-%m-%d %H:%M:%S", localtime())   if __name__  == '__main__':  r = RandCode('app_id', 'app_secret')  r.send('phone number', 'http://yourdomain/rand_code.php', '3')  r.send_sms('phone number', 189189)