对于目前众多的验证码解决方案来说，这个api有着中国电信这个重量级的运营商为靠山，应该是比较靠谱的了，而且还是免费的。
使用方式：
#定义app_id和app_secret
r = randcode('app_id',
'app_secret')
#支持平台的两种接口方式
#方式1：自定义接收验证码的回调url
r.send('phone number',
'http://yourdomain/rand_code.php', '3')
#方式2：自定义验证码内容
r.send_sms('phone
number', 189189)
#!/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)
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