python+Django原生 支付宝支付
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内容图文
- 需要配置沙箱环境
- 设置异步回调地址
- 更多信息转载自: https://www.cnblogs.com/liuwei0824/p/8493838.html
views视图处理
def AliPay(request):
if request.is_secure():
notify_url = "https://%s/xxx/xxx/" % request.get_host() # 异步通知
return_url = "https://%s/xxx/xxx/" % request.get_host() # 同步通知
else:
notify_url = "http://%s/xxx/xxx/" % request.get_host()
return_url = "http://%s/xxx/xxx/" % request.get_host()
# 沙箱环境地址
alipay = AliPay(
appid="",
app_notify_url=notify_url,
return_url=return_url,
app_private_key_path="",
alipay_public_key_path="",
# 打开文件模式
"""
app_private_key_path=os.path.join(os.path.dirname(os.path.abspath(__file__)), "keys/app_private_key.pem"),
alipay_public_key_path=os.path.join(os.path.dirname(os.path.abspath(__file__)), "keys/alipay_public_key.pem"), # 支付宝的公钥，验证支付宝回传消息使用，不是你自己的公钥,
"""
)
data = request.GET
money_key = data.get('money_key')
total_key = data.get('total_key')
query_params = alipay.direct_pay(
subject=WEBSITE_CONF[request.get_host()]["website_name"], # 名
out_trade_no=total_key, # 商户订单号
total_amount=money_key, # 交易金额
return_url=return_url,
)
alipay_url = "https://openapi.alipay.com/gateway.do?{0}".format(query_params)
response = HttpResponse(json.dumps({"alipay_url": alipay_url}))
return response
支付宝工具Utils
class AliPay():
"""支付宝支付接口(PC端支付接口)"""
# 初始化信息
def __init__(self, appid, app_notify_url, app_private_key_path,
alipay_public_key_path, return_url, debug=False):
self.appid = appid # 开发者的应用
self.app_notify_url = app_notify_url
self.app_private_key = RSA.importKey(app_private_key_path) # 公钥
self.alipay_public_key = RSA.importKey(alipay_public_key_path)
self.return_url = return_url # 返回的url
# 使用文件读取模式打开下面
"""
self.app_private_key_path = app_private_key_path
self.alipay_public_key_path = app_private_key_path
with open(self.app_private_key_path) as fp:
self.app_private_key = RSA.importKey(fp.read())
with open(self.alipay_public_key_path) as fp:
self.alipay_public_key = RSA.importKey(fp.read())
"""
if debug is True:
self.__gateway = "https://openapi.alipaydev.com/gateway.do"
else:
self.__gateway = "https://openapi.alipay.com/gateway.do"
def direct_pay(self, subject, out_trade_no, total_amount, return_url, **kwargs):
biz_content = {
"subject": subject, # 订单标题
"out_trade_no": out_trade_no, # 商户订单号
"total_amount": total_amount, # 订单金额
"product_code": "FAST_INSTANT_TRADE_PAY", # 快速即时贸易支付
'return_url': return_url
# "qr_pay_mode":4
}
biz_content.update(kwargs)
data = self.build_body("alipay.trade.page.pay", biz_content, self.return_url)
return self.sign_data(data)
def build_body(self, method, biz_content, return_url=None):
data = {
"app_id": self.appid,
"method": method,
"charset": "utf-8",
"sign_type": "RSA2",
"timestamp": datetime.now().strftime("%Y-%m-%d %H:%M:%S"),
"version": "1.0",
"biz_content": biz_content
}
if return_url is not None:
data["notify_url"] = self.app_notify_url
data["return_url"] = self.return_url
return data
def sign_data(self, data):
data.pop("sign", None)
# 排序后的字符串
unsigned_items = self.ordered_data(data)
unsigned_string = "&".join("{0}={1}".format(k, v) for k, v in unsigned_items)
sign = self.sign(unsigned_string.encode("utf-8"))
# ordered_items = self.ordered_data(data)
quoted_string = "&".join("{0}={1}".format(k, quote_plus(v)) for k, v in unsigned_items)
# 获得最终的订单信息字符串
signed_string = quoted_string + "&sign=" + quote_plus(sign)
return signed_string
def ordered_data(self, data):
complex_keys = []
for key, value in data.items():
if isinstance(value, dict):
complex_keys.append(key)
# 将字典类型的数据dump出来
for key in complex_keys:
data[key] = json.dumps(data[key], separators=(',', ':'))
return sorted([(k, v) for k, v in data.items()])
def sign(self, unsigned_string):
# 开始计算签名
key = self.app_private_key
signer = PKCS1_v1_5.new(key)
signature = signer.sign(SHA256.new(unsigned_string))
# base64 编码，转换为unicode表示并移除回车
sign = b64encode(signature).decode("utf8").replace("\n", "")
return sign
def _verify(self, raw_content, signature):
# 开始计算签名
key = self.alipay_public_key
signer = PKCS1_v1_5.new(key)
digest = SHA256.new()
digest.update(raw_content.encode("utf8"))
if signer.verify(digest, b64decode(signature.encode("utf8"))):
return True
return False
def verify(self, data, signature):
if "sign_type" in data:
sign_type = data.pop("sign_type")
# 排序后的字符串
unsigned_items = self.ordered_data(data)
message = "&".join(u"{}={}".format(k, v) for k, v in unsigned_items)
return self._verify(message, signature)
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