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alipay_core.py
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alipay_core.py
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#coding:utf-8
import json
import re
import rsa
import base64
SIGN_TYPE = "SHA-1"
import urllib
from config import RSA_ALIPAY_PUBLIC, RSA_PRIVATE, RSA_PUBLIC
def params_to_query(params):
"""
生成需要签名的字符串
:param params:
:return:
"""
"""
:param params:
:return:
"""
query = ""
dict_items={}
for key,value in params.items():
if isinstance(value,dict)==True:
dict_items[key]=value
params[key]="%s"
all_str=''
for key in sorted(params.keys()):
all_str=all_str+'%s=%s&' %(key,params[key])
all_str=all_str.rstrip('&')
biz_content_dict=dict_items['biz_content']
content_str=''
for key in sorted(biz_content_dict.keys()):
if isinstance(biz_content_dict[key],basestring)==True:
content_str=content_str+'"%s":"%s",' %(key,biz_content_dict[key])
else:
content_str = content_str + '"%s":%s,' % (key, biz_content_dict[key])
content_str=content_str.rstrip(',')
content_str='{'+content_str+'}'
query=all_str %content_str
return query
def make_sign(message):
"""
签名
:param message:
:return:
"""
private_key = rsa.PrivateKey._load_pkcs1_pem(RSA_PRIVATE)
sign = rsa.sign(message, private_key, SIGN_TYPE)
b64sing = base64.b64encode(sign)
return b64sing
def check_sign(message, sign):
"""
验证自签名
:param message:
:param sign:
:return:
"""
sign = base64.b64decode(sign)
pubkey = rsa.PublicKey.load_pkcs1_openssl_pem(RSA_PUBLIC)
return rsa.verify(message, sign, pubkey)
def check_ali_sign(message, sign):
"""
验证ali签名
:param message:
:param sign:
:return:
"""
sign = base64.b64decode(sign)
pubkey = rsa.PublicKey.load_pkcs1_openssl_pem(RSA_ALIPAY_PUBLIC)
res = False
try:
res = rsa.verify(message, sign, pubkey)
except Exception as e:
print e
res = False
return res
def make_payment_request(params_dict):
"""
构造一个支付请求的信息，包含最终结果里面包含签名
:param params_dict:
:return:
"""
query_str = params_to_query(params_dict,) #拼接签名字符串
sign = make_sign(query_str) #生成签名
sign=urllib.quote(sign,safe='')
res = "%s&sign=%s" % (query_str, sign)
return res
def analysis_ali_response(body):
'''
对当前付款的返回的response进行解析 校验并且返回相关信息
:param body:
:return:
'''
result=False #分析结果
out_trade_no='' #交易号
qr_code='' #二维码url
if isinstance(body,basestring)==False or body=='':
return result,out_trade_no,qr_code
body_dict=json.loads(body)
if isinstance(body_dict,dict)==False:
return result, out_trade_no, qr_code
sign=body_dict.get('sign','')
if sign=='':
return result, out_trade_no, qr_code
alipay_trade_precreate_response=body_dict.get('alipay_trade_precreate_response',{})
if isinstance(alipay_trade_precreate_response,dict)==False or alipay_trade_precreate_response.keys().__len__()==0:
return result, out_trade_no, qr_code
re_result=re.findall(r'^.*"alipay_trade_precreate_response":({.*}),"sign"',body)
if re_result.__len__()==0:
return result, out_trade_no, qr_code
trade_str=re_result[0]
if check_ali_sign(trade_str,sign)==False:
return result, out_trade_no, qr_code
out_trade_no=alipay_trade_precreate_response.get('out_trade_no','')
qr_code=alipay_trade_precreate_response.get('qr_code','').replace('\/','/')
result=True
return result, out_trade_no, qr_code
def notify_make_query(params):
'''
对异步通知报文的参数组合成待签名的字符串
:param params: 知报文参数 type dict
:return:
'''
pop_keys=['sign','sign_type'] #需要剔除的key
for key in pop_keys:
params.pop(key)
params_str=''
for key in sorted(params.keys()):
params_str=params_str+'%s=%s&' %(key,params[key])
params_str=params_str.rstrip('&')
return params_str
def notify_check_sign(params):
'''
异步通知报文进行签名校验
:param params: 通知报文参数 type dict
:return:
'''
sign=params.get('sign','')
sign_str=notify_make_query(params)
sign=sign.encode("utf-8")
sign_str=sign_str.encode("utf-8")
return check_ali_sign(sign_str,sign)
if __name__ == '__main__':
# message='app_id=2016101000651561&biz_content={"out_trade_no":"20161114165856","subject":"test","total_amount":0.01}&charset=utf-8&method=alipay.trade.precreate¬ify_url=http://test.kaoala.com/zh-cn/test/&sign_type=RSA×tamp=2016-11-14 16:58:56&version=1.0'
# #sign='eR/DwMmfCgfDAI2VqsUA8gwIy00mk9hrmRanyjPFIk6y9x0B+7opBwHloZvuZ/KpKhaXcmvpJKXGJA+MM5WU9qu0dnPS+TGJlh4yIxs4pRsCdke18249yZ98ZfkRxfkMuI42w+Lilkd84ziOONoTIhJ1uhTnYmkbBx7FOSAOJjE='
# sign=make_sign(message)
# print sign
# re_message='{"alipay_trade_precreate_response":{"code":"10000","msg":"Success","out_trade_no":"20161114172110","qr_code":"https:\/\/qr.alipay.com\/bax017608vva6qhoi2zh0066"},"sign":"JRoEOO4v4Nz+2GCaE8fQWIzcCM89iVPIOWS5gC+ORriDqm16K+sbqFL6s8u4YtZHv5P143PK3vhHZqbQ9REOTw/DvAgRvLF08effQ9+xi00Oz6dblz/zB71I3/t9Zg35wQKOr6PvgBoSrR+OYnOGjeONMFjVo4wVA9mZu7WW9fs="}'
# #re_sign='eR/DwMmfCgfDAI2VqsUA8gwIy00mk9hrmRanyjPFIk6y9x0B+7opBwHloZvuZ/KpKhaXcmvpJKXGJA+MM5WU9qu0dnPS+TGJlh4yIxs4pRsCdke18249yZ98ZfkRxfkMuI42w+Lilkd84ziOONoTIhJ1uhTnYmkbBx7FOSAOJjE='
# print analysis_ali_response(re_message)
dict_pa={u'seller_email': u'[email protected]', u'app_id': u'2016101000651561', u'sign': u'nzhASvx9DkHh0VPHep7JtsgiFBfS/rjfuSPuyUnJvcm/LzIy9pX+3sg2slfWwO6sI4lCdRGOy+gLFagL8oBH+goXkPMARQ/ZzlVtIMYrTq9Wl7cBhsEorpMbWc3sLN9wk+gckJ/he4ouIcDdBF4+HHc5UZFH3AHs9XeiNCzfVs8=', u'buyer_pay_amount': u'0.01', u'point_amount': u'0.00', u'subject': u'\u6d4b\u8bd5\u6668\u66e6', u'open_id': u'20881017039022118566577291814882', u'buyer_logon_id': u'bun***@sandbox.com', u'gmt_create': u'2016-11-15 11:14:24', u'out_trade_no': u'20161115111349', u'invoice_amount': u'0.01', u'sign_type': u'RSA', u'fund_bill_list': u'[{"amount":"0.01","fundChannel":"ALIPAYACCOUNT"}]', u'receipt_amount': u'0.01', u'trade_status': u'TRADE_SUCCESS', u'gmt_payment': u'2016-11-15 11:14:30', u'trade_no': u'2016111521001004820200129318', u'seller_id': u'2088102178904484', u'total_amount': u'0.01', u'notify_time': u'2016-11-15 11:14:31', u'notify_id': u'031f33ccc4cfc3cf4368fbbfc58a110mbu', u'notify_type': u'trade_status_sync', u'buyer_id': u'2088102169592821'}
print notify_check_sign(dict_pa)