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862 lines
30 KiB
862 lines
30 KiB
4 years ago
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#!/usr/bin/env python
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# coding: utf-8
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"""
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__init__.py
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~~~~~~~~~~
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"""
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import json
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from datetime import datetime
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from functools import partial
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import hashlib
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import OpenSSL
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from Cryptodome.Hash import SHA, SHA256
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from Cryptodome.PublicKey import RSA
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from Cryptodome.Signature import PKCS1_v1_5
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from .compat import decodebytes, encodebytes, quote_plus, urlopen
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from .exceptions import AliPayException, AliPayValidationError
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from .utils import AliPayConfig
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from .loggers import logger
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# 常见加密算法
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CryptoAlgSet = (
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b'rsaEncryption',
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b'md2WithRSAEncryption',
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b'md5WithRSAEncryption',
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b'sha1WithRSAEncryption',
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b'sha256WithRSAEncryption',
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b'sha384WithRSAEncryption',
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b'sha512WithRSAEncryption'
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)
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class BaseAliPay:
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@property
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def appid(self):
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return self._appid
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@property
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def sign_type(self):
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return self._sign_type
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@property
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def app_private_key(self):
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"""签名用"""
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return self._app_private_key
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@property
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def alipay_public_key(self):
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"""验证签名用"""
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return self._alipay_public_key
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def __init__(
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self,
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appid,
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app_notify_url,
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app_private_key_string=None,
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alipay_public_key_string=None,
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sign_type="RSA2",
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debug=False,
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verbose=False,
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config=None
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):
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"""
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初始化:
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alipay = AliPay(
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appid="",
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app_notify_url="http://example.com",
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sign_type="RSA2"
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)
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"""
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self._appid = str(appid)
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self._app_notify_url = app_notify_url
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self._app_private_key_string = app_private_key_string
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self._alipay_public_key_string = alipay_public_key_string
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self._verbose = verbose
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self._config = config or AliPayConfig()
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self._app_private_key = None
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self._alipay_public_key = None
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if sign_type not in ("RSA", "RSA2"):
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message = "Unsupported sign type {}".format(sign_type)
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raise AliPayException(None, message)
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self._sign_type = sign_type
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if debug:
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self._gateway = "https://openapi.alipaydev.com/gateway.do"
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else:
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self._gateway = "https://openapi.alipay.com/gateway.do"
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# load key file immediately
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self._load_key()
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def _load_key(self):
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# load private key
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content = self._app_private_key_string
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self._app_private_key = RSA.importKey(content)
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# load public key
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content = self._alipay_public_key_string
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self._alipay_public_key = RSA.importKey(content)
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def _sign(self, unsigned_string):
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"""
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通过如下方法调试签名
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方法1
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key = rsa.PrivateKey.load_pkcs1(open(self._app_private_key_string).read())
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sign = rsa.sign(unsigned_string.encode(), key, "SHA-1")
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# base64 编码，转换为unicode表示并移除回车
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sign = base64.encodebytes(sign).decode().replace("\n", "")
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方法2
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key = RSA.importKey(open(self._app_private_key_string).read())
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signer = PKCS1_v1_5.new(key)
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signature = signer.sign(SHA.new(unsigned_string.encode()))
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# base64 编码，转换为unicode表示并移除回车
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sign = base64.encodebytes(signature).decode().replace("\n", "")
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方法3
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echo "abc" | openssl sha1 -sign alipay.key | openssl base64
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"""
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# 开始计算签名
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key = self.app_private_key
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signer = PKCS1_v1_5.new(key)
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if self._sign_type == "RSA":
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signature = signer.sign(SHA.new(unsigned_string.encode()))
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else:
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signature = signer.sign(SHA256.new(unsigned_string.encode()))
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# base64 编码，转换为unicode表示并移除回车
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sign = encodebytes(signature).decode().replace("\n", "")
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return sign
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def _ordered_data(self, data):
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for k, v in data.items():
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if isinstance(v, dict):
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# 将字典类型的数据dump出来
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data[k] = json.dumps(v, separators=(',', ':'))
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return sorted(data.items())
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def build_body(self, method, biz_content, **kwargs):
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data = {
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"app_id": self._appid,
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"method": method,
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"charset": "utf-8",
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"sign_type": self._sign_type,
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"timestamp": datetime.now().strftime("%Y-%m-%d %H:%M:%S"),
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"version": "1.0",
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"biz_content": biz_content
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}
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data.update(kwargs)
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if method in (
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"alipay.trade.app.pay", "alipay.trade.wap.pay",
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"alipay.trade.page.pay", "alipay.trade.pay",
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"alipay.trade.precreate", "alipay.trade.create"
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) and not data.get("notify_url") and self._app_notify_url:
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data["notify_url"] = self._app_notify_url
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if self._verbose:
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logger.debug("data to be signed")
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logger.debug(data)
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return data
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def sign_data(self, data):
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# 排序后的字符串
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ordered_items = self._ordered_data(data)
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raw_string = "&".join("{}={}".format(k, v) for k, v in ordered_items)
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sign = self._sign(raw_string)
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unquoted_items = ordered_items + [('sign', sign)]
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# 获得最终的订单信息字符串
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signed_string = "&".join("{}={}".format(k, quote_plus(v)) for k, v in unquoted_items)
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if self._verbose:
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logger.debug("signed srtring")
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logger.debug(signed_string)
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return signed_string
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def _verify(self, raw_content, signature):
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# 开始计算签名
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key = self.alipay_public_key
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signer = PKCS1_v1_5.new(key)
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if self._sign_type == "RSA":
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digest = SHA.new()
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else:
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digest = SHA256.new()
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digest.update(raw_content.encode())
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return bool(signer.verify(digest, decodebytes(signature.encode())))
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def verify(self, data, signature):
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if "sign_type" in data:
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sign_type = data.pop("sign_type")
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if sign_type != self._sign_type:
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raise AliPayException(None, "Unknown sign type: {}".format(sign_type))
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# 排序后的字符串
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unsigned_items = self._ordered_data(data)
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message = "&".join(u"{}={}".format(k, v) for k, v in unsigned_items)
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return self._verify(message, signature)
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def client_api(self, api_name, biz_content, **kwargs):
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"""
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alipay api without http request
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"""
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data = self.build_body(api_name, biz_content, **kwargs)
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return self.sign_data(data)
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def server_api(self, api_name, biz_content, **kwargs):
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"""
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alipay api with http request
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"""
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data = self.build_body(api_name, biz_content, **kwargs)
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# alipay.trade.query => alipay_trade_query_response
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response_type = api_name.replace(".", "_") + "_response"
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print(data)
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return self.verified_sync_response(data, response_type)
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def api_alipay_trade_wap_pay(
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self, subject, out_trade_no, total_amount,
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return_url=None, notify_url=None, **kwargs
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):
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biz_content = {
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"subject": subject,
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"out_trade_no": out_trade_no,
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"total_amount": total_amount,
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"product_code": "QUICK_WAP_PAY"
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}
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biz_content.update(kwargs)
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data = self.build_body(
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"alipay.trade.wap.pay",
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biz_content,
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return_url=return_url,
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notify_url=notify_url
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)
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return self.sign_data(data)
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def api_alipay_trade_app_pay(
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self, subject, out_trade_no, total_amount, notify_url=None, **kwargs
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):
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biz_content = {
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"subject": subject,
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"out_trade_no": out_trade_no,
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"total_amount": total_amount,
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"product_code": "QUICK_MSECURITY_PAY"
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}
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biz_content.update(kwargs)
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data = self.build_body("alipay.trade.app.pay", biz_content, notify_url=notify_url)
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return self.sign_data(data)
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def api_alipay_trade_page_pay(self, subject, out_trade_no, total_amount,
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return_url=None, notify_url=None, **kwargs):
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biz_content = {
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"subject": subject,
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"out_trade_no": out_trade_no,
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"total_amount": total_amount,
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"product_code": "FAST_INSTANT_TRADE_PAY"
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}
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biz_content.update(kwargs)
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data = self.build_body(
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"alipay.trade.page.pay",
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biz_content,
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return_url=return_url,
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notify_url=notify_url
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)
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return self.sign_data(data)
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def api_alipay_trade_query(self, out_trade_no=None, trade_no=None):
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"""
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response = {
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"alipay_trade_query_response": {
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"trade_no": "2017032121001004070200176844",
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"code": "10000",
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"invoice_amount": "20.00",
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"open_id": "20880072506750308812798160715407",
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"fund_bill_list": [
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{
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"amount": "20.00",
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"fund_channel": "ALIPAYACCOUNT"
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}
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],
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"buyer_logon_id": "csq***@sandbox.com",
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"send_pay_date": "2017-03-21 13:29:17",
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"receipt_amount": "20.00",
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"out_trade_no": "out_trade_no15",
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"buyer_pay_amount": "20.00",
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"buyer_user_id": "2088102169481075",
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"msg": "Success",
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"point_amount": "0.00",
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"trade_status": "TRADE_SUCCESS",
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"total_amount": "20.00"
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},
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"sign": ""
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}
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"""
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assert (out_trade_no is not None) or (trade_no is not None), \
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"Both trade_no and out_trade_no are None"
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biz_content = {}
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if out_trade_no:
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biz_content["out_trade_no"] = out_trade_no
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if trade_no:
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biz_content["trade_no"] = trade_no
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data = self.build_body("alipay.trade.query", biz_content)
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response_type = "alipay_trade_query_response"
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return self.verified_sync_response(data, response_type)
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def api_alipay_trade_pay(
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self, out_trade_no, scene, auth_code, subject, notify_url=None, **kwargs
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):
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"""
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eg:
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self.api_alipay_trade_pay(
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out_trade_no,
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"bar_code/wave_code",
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auth_code,
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subject,
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total_amount=12,
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discountable_amount=10
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)
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failed response = {
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"alipay_trade_pay_response": {
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"code": "40004",
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"msg": "Business Failed",
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"sub_code": "ACQ.INVALID_PARAMETER",
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"sub_msg": "",
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"buyer_pay_amount": "0.00",
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"invoice_amount": "0.00",
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"point_amount": "0.00",
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"receipt_amount": "0.00"
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},
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"sign": ""
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}
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succeeded response =
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{
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"alipay_trade_pay_response": {
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"trade_no": "2017032121001004070200176846",
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"code": "10000",
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"invoice_amount": "20.00",
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"open_id": "20880072506750308812798160715407",
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"fund_bill_list": [
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{
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"amount": "20.00",
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"fund_channel": "ALIPAYACCOUNT"
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}
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],
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"buyer_logon_id": "csq***@sandbox.com",
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"receipt_amount": "20.00",
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"out_trade_no": "out_trade_no18",
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"buyer_pay_amount": "20.00",
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"buyer_user_id": "2088102169481075",
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"msg": "Success",
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"point_amount": "0.00",
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"gmt_payment": "2017-03-21 15:07:29",
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"total_amount": "20.00"
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},
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"sign": ""
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}
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"""
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assert scene in ("bar_code", "wave_code"), 'scene not in ("bar_code", "wave_code")'
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biz_content = {
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|
|
"out_trade_no": out_trade_no,
|
||
|
|
"scene": scene,
|
||
|
|
"auth_code": auth_code,
|
||
|
|
"subject": subject
|
||
|
|
}
|
||
|
|
biz_content.update(**kwargs)
|
||
|
|
data = self.build_body("alipay.trade.pay", biz_content, notify_url=notify_url)
|
||
|
|
response_type = "alipay_trade_pay_response"
|
||
|
|
return self.verified_sync_response(data, response_type)
|
||
|
|
|
||
|
|
def api_alipay_trade_refund(self, refund_amount, out_trade_no=None, trade_no=None, **kwargs):
|
||
|
|
biz_content = {
|
||
|
|
"refund_amount": refund_amount
|
||
|
|
}
|
||
|
|
biz_content.update(**kwargs)
|
||
|
|
if out_trade_no:
|
||
|
|
biz_content["out_trade_no"] = out_trade_no
|
||
|
|
if trade_no:
|
||
|
|
biz_content["trade_no"] = trade_no
|
||
|
|
|
||
|
|
data = self.build_body("alipay.trade.refund", biz_content)
|
||
|
|
response_type = "alipay_trade_refund_response"
|
||
|
|
return self.verified_sync_response(data, response_type)
|
||
|
|
|
||
|
|
def api_alipay_trade_cancel(self, out_trade_no=None, trade_no=None):
|
||
|
|
"""
|
||
|
|
response = {
|
||
|
|
"alipay_trade_cancel_response": {
|
||
|
|
"msg": "Success",
|
||
|
|
"out_trade_no": "out_trade_no15",
|
||
|
|
"code": "10000",
|
||
|
|
"retry_flag": "N"
|
||
|
|
}
|
||
|
|
}
|
||
|
|
"""
|
||
|
|
|
||
|
|
assert (out_trade_no is not None) or (trade_no is not None), \
|
||
|
|
"Both trade_no and out_trade_no are None"
|
||
|
|
|
||
|
|
biz_content = {}
|
||
|
|
if out_trade_no:
|
||
|
|
biz_content["out_trade_no"] = out_trade_no
|
||
|
|
if trade_no:
|
||
|
|
biz_content["trade_no"] = trade_no
|
||
|
|
|
||
|
|
data = self.build_body("alipay.trade.cancel", biz_content)
|
||
|
|
response_type = "alipay_trade_cancel_response"
|
||
|
|
return self.verified_sync_response(data, response_type)
|
||
|
|
|
||
|
|
def api_alipay_trade_close(self, out_trade_no=None, trade_no=None, operator_id=None):
|
||
|
|
"""
|
||
|
|
response = {
|
||
|
|
"alipay_trade_close_response": {
|
||
|
|
"code": "10000",
|
||
|
|
"msg": "Success",
|
||
|
|
"trade_no": "2013112111001004500000675971",
|
||
|
|
"out_trade_no": "YX_001"a
|
||
|
|
}
|
||
|
|
}
|
||
|
|
"""
|
||
|
|
|
||
|
|
assert (out_trade_no is not None) or (trade_no is not None), \
|
||
|
|
"Both trade_no and out_trade_no are None"
|
||
|
|
|
||
|
|
biz_content = {}
|
||
|
|
if out_trade_no:
|
||
|
|
biz_content["out_trade_no"] = out_trade_no
|
||
|
|
if trade_no:
|
||
|
|
biz_content["trade_no"] = trade_no
|
||
|
|
if operator_id:
|
||
|
|
biz_content["operator_id"] = operator_id
|
||
|
|
|
||
|
|
data = self.build_body("alipay.trade.close", biz_content)
|
||
|
|
response_type = "alipay_trade_close_response"
|
||
|
|
return self.verified_sync_response(data, response_type)
|
||
|
|
|
||
|
|
def api_alipay_trade_create(
|
||
|
|
self, subject, out_trade_no, total_amount, notify_url=None, **kwargs
|
||
|
|
):
|
||
|
|
biz_content = {
|
||
|
|
"subject": subject,
|
||
|
|
"out_trade_no": out_trade_no,
|
||
|
|
"total_amount": total_amount
|
||
|
|
}
|
||
|
|
biz_content.update(kwargs)
|
||
|
|
data = self.build_body("alipay.trade.create", biz_content, notify_url=notify_url)
|
||
|
|
response_type = "alipay_trade_create"
|
||
|
|
return self.verified_sync_response(data, response_type)
|
||
|
|
|
||
|
|
def api_alipay_trade_precreate(
|
||
|
|
self, subject, out_trade_no, total_amount, notify_url=None, **kwargs
|
||
|
|
):
|
||
|
|
"""
|
||
|
|
success response = {
|
||
|
|
"alipay_trade_precreate_response": {
|
||
|
|
"msg": "Success",
|
||
|
|
"out_trade_no": "out_trade_no17",
|
||
|
|
"code": "10000",
|
||
|
|
"qr_code": "https://qr.alipay.com/bax03431ljhokirwl38f00a7"
|
||
|
|
},
|
||
|
|
"sign": ""
|
||
|
|
}
|
||
|
|
|
||
|
|
failed response = {
|
||
|
|
"alipay_trade_precreate_response": {
|
||
|
|
"msg": "Business Failed",
|
||
|
|
"sub_code": "ACQ.TOTAL_FEE_EXCEED",
|
||
|
|
"code": "40004",
|
||
|
|
"sub_msg": "订单金额超过限额"
|
||
|
|
},
|
||
|
|
"sign": ""
|
||
|
|
}
|
||
|
|
|
||
|
|
"""
|
||
|
|
biz_content = {
|
||
|
|
"out_trade_no": out_trade_no,
|
||
|
|
"total_amount": total_amount,
|
||
|
|
"subject": subject
|
||
|
|
}
|
||
|
|
biz_content.update(**kwargs)
|
||
|
|
data = self.build_body("alipay.trade.precreate", biz_content, notify_url=notify_url)
|
||
|
|
response_type = "alipay_trade_precreate_response"
|
||
|
|
return self.verified_sync_response(data, response_type)
|
||
|
|
|
||
|
|
def api_alipay_trade_fastpay_refund_query(
|
||
|
|
self, out_request_no, trade_no=None, out_trade_no=None
|
||
|
|
):
|
||
|
|
assert (out_trade_no is not None) or (trade_no is not None), \
|
||
|
|
"Both trade_no and out_trade_no are None"
|
||
|
|
|
||
|
|
biz_content = {"out_request_no": out_request_no}
|
||
|
|
if trade_no:
|
||
|
|
biz_content["trade_no"] = trade_no
|
||
|
|
else:
|
||
|
|
biz_content["out_trade_no"] = out_trade_no
|
||
|
|
|
||
|
|
data = self.build_body("alipay.trade.fastpay.refund.query", biz_content)
|
||
|
|
response_type = "alipay_trade_fastpay_refund_query_response"
|
||
|
|
return self.verified_sync_response(data, response_type)
|
||
|
|
|
||
|
|
def api_alipay_fund_trans_toaccount_transfer(
|
||
|
|
self, out_biz_no, payee_type, payee_account, amount, **kwargs
|
||
|
|
):
|
||
|
|
assert payee_type in ("ALIPAY_USERID", "ALIPAY_LOGONID"), "unknown payee type"
|
||
|
|
biz_content = {
|
||
|
|
"out_biz_no": out_biz_no,
|
||
|
|
"payee_type": payee_type,
|
||
|
|
"payee_account": payee_account,
|
||
|
|
"amount": amount
|
||
|
|
}
|
||
|
|
biz_content.update(kwargs)
|
||
|
|
data = self.build_body("alipay.fund.trans.toaccount.transfer", biz_content)
|
||
|
|
response_type = "alipay_fund_trans_toaccount_transfer_response"
|
||
|
|
return self.verified_sync_response(data, response_type)
|
||
|
|
|
||
|
|
def api_alipay_fund_trans_order_query(self, out_biz_no=None, order_id=None):
|
||
|
|
if out_biz_no is None and order_id is None:
|
||
|
|
raise Exception("Both out_biz_no and order_id are None!")
|
||
|
|
|
||
|
|
biz_content = {}
|
||
|
|
if out_biz_no:
|
||
|
|
biz_content["out_biz_no"] = out_biz_no
|
||
|
|
if order_id:
|
||
|
|
biz_content["order_id"] = order_id
|
||
|
|
|
||
|
|
data = self.build_body("alipay.fund.trans.order.query", biz_content)
|
||
|
|
response_type = "alipay_fund_trans_order_query_response"
|
||
|
|
return self.verified_sync_response(data, response_type)
|
||
|
|
|
||
|
|
def api_alipay_trade_order_settle(
|
||
|
|
self,
|
||
|
|
out_request_no,
|
||
|
|
trade_no,
|
||
|
|
royalty_parameters,
|
||
|
|
**kwargs
|
||
|
|
):
|
||
|
|
biz_content = {
|
||
|
|
"out_request_no": out_request_no,
|
||
|
|
"trade_no": trade_no,
|
||
|
|
"royalty_parameters": royalty_parameters,
|
||
|
|
}
|
||
|
|
biz_content.update(kwargs)
|
||
|
|
data = self.build_body("alipay.trade.order.settle", biz_content)
|
||
|
|
response_type = "alipay_trade_order_settle_response"
|
||
|
|
return self.verified_sync_response(data, response_type)
|
||
|
|
|
||
|
|
def api_alipay_ebpp_invoice_token_batchquery(self, invoice_token=None, scene=None):
|
||
|
|
if scene is None:
|
||
|
|
scene = "INVOICE_EXPENSE"
|
||
|
|
if invoice_token is None:
|
||
|
|
raise Exception("invoice_token is None!")
|
||
|
|
|
||
|
|
biz_content = {
|
||
|
|
"invoice_token": invoice_token,
|
||
|
|
"scene": scene
|
||
|
|
}
|
||
|
|
data = self.build_body("alipay.ebpp.invoice.token.batchquery", biz_content)
|
||
|
|
response_type = "alipay_ebpp_invoice_token_batchquery_response"
|
||
|
|
return self.verified_sync_response(data, response_type)
|
||
|
|
|
||
|
|
def _verify_and_return_sync_response(self, raw_string, response_type):
|
||
|
|
"""
|
||
|
|
return response if verification succeeded, raise exception if not
|
||
|
|
|
||
|
|
As to issue #69, json.loads(raw_string)[response_type] should not be returned directly,
|
||
|
|
use json.loads(plain_content) instead
|
||
|
|
|
||
|
|
failed response is like this
|
||
|
|
{
|
||
|
|
"alipay_trade_query_response": {
|
||
|
|
"sub_code": "isv.invalid-app-id",
|
||
|
|
"code": "40002",
|
||
|
|
"sub_msg": "无效的AppID参数",
|
||
|
|
"msg": "Invalid Arguments"
|
||
|
|
}
|
||
|
|
}
|
||
|
|
"""
|
||
|
|
response = json.loads(raw_string)
|
||
|
|
# raise exceptions
|
||
|
|
if "sign" not in response.keys():
|
||
|
|
result = response[response_type]
|
||
|
|
raise AliPayException(
|
||
|
|
code=result.get("code", "0"),
|
||
|
|
message=raw_string
|
||
|
|
)
|
||
|
|
|
||
|
|
sign = response["sign"]
|
||
|
|
|
||
|
|
# locate string to be signed
|
||
|
|
plain_content = self._get_string_to_be_signed(raw_string, response_type)
|
||
|
|
|
||
|
|
if not self._verify(plain_content, sign):
|
||
|
|
raise AliPayValidationError
|
||
|
|
return json.loads(plain_content)
|
||
|
|
|
||
|
|
def verified_sync_response(self, data, response_type):
|
||
|
|
url = self._gateway + "?" + self.sign_data(data)
|
||
|
|
raw_string = urlopen(url, timeout=self._config.timeout).read().decode()
|
||
|
|
return self._verify_and_return_sync_response(raw_string, response_type)
|
||
|
|
|
||
|
|
def _get_string_to_be_signed(self, raw_string, response_type):
|
||
|
|
"""
|
||
|
|
https://docs.open.alipay.com/200/106120
|
||
|
|
从同步返回的接口里面找到待签名的字符串
|
||
|
|
"""
|
||
|
|
balance = 0
|
||
|
|
start = end = raw_string.find("{", raw_string.find(response_type))
|
||
|
|
# 从response_type之后的第一个｛的下一位开始匹配，
|
||
|
|
# 如果是｛则balance加1; 如果是｝而且balance=0，就是待验签字符串的终点
|
||
|
|
for i, c in enumerate(raw_string[start + 1:], start + 1):
|
||
|
|
if c == "{":
|
||
|
|
balance += 1
|
||
|
|
elif c == "}":
|
||
|
|
if balance == 0:
|
||
|
|
end = i + 1
|
||
|
|
break
|
||
|
|
balance -= 1
|
||
|
|
return raw_string[start:end]
|
||
|
|
|
||
|
|
|
||
|
|
class AliPay(BaseAliPay):
|
||
|
|
pass
|
||
|
|
|
||
|
|
|
||
|
|
class DCAliPay(BaseAliPay):
|
||
|
|
"""
|
||
|
|
数字证书 (digital certificate) 版本
|
||
|
|
"""
|
||
|
|
|
||
|
|
def __init__(
|
||
|
|
self,
|
||
|
|
appid,
|
||
|
|
app_notify_url,
|
||
|
|
app_private_key_string,
|
||
|
|
app_public_key_cert_string,
|
||
|
|
alipay_public_key_cert_string,
|
||
|
|
alipay_root_cert_string,
|
||
|
|
sign_type="RSA2",
|
||
|
|
debug=False
|
||
|
|
):
|
||
|
|
"""
|
||
|
|
初始化
|
||
|
|
DCAlipay(
|
||
|
|
appid='',
|
||
|
|
app_notify_url='http://example.com',
|
||
|
|
app_private_key_string='',
|
||
|
|
app_public_key_cert_string='',
|
||
|
|
alipay_public_key_cert_sring='',
|
||
|
|
aplipay_root_cert_string='',
|
||
|
|
)
|
||
|
|
"""
|
||
|
|
self._app_public_key_cert_string = app_public_key_cert_string
|
||
|
|
self._alipay_public_key_cert_string = alipay_public_key_cert_string
|
||
|
|
self._alipay_root_cert_string = alipay_root_cert_string
|
||
|
|
alipay_public_key_string = self.load_alipay_public_key_string()
|
||
|
|
super().__init__(
|
||
|
|
appid=appid,
|
||
|
|
app_notify_url=app_notify_url,
|
||
|
|
app_private_key_string=app_private_key_string,
|
||
|
|
alipay_public_key_string=alipay_public_key_string,
|
||
|
|
sign_type=sign_type,
|
||
|
|
debug=debug
|
||
|
|
)
|
||
|
|
|
||
|
|
def api_alipay_open_app_alipaycert_download(self, alipay_cert_sn):
|
||
|
|
"""
|
||
|
|
下载支付宝证书
|
||
|
|
验签使用，支付宝公钥证书无感知升级机制
|
||
|
|
"""
|
||
|
|
biz_content = {
|
||
|
|
"alipay_cert_sn": alipay_cert_sn
|
||
|
|
}
|
||
|
|
data = self.build_body("alipay.open.app.alipaycert.download", biz_content)
|
||
|
|
return self.sign_data(data)
|
||
|
|
|
||
|
|
def build_body(self, *args, **kwargs):
|
||
|
|
data = super().build_body(*args, **kwargs)
|
||
|
|
data["app_cert_sn"] = self.app_cert_sn
|
||
|
|
data["alipay_root_cert_sn"] = self.alipay_root_cert_sn
|
||
|
|
if self._verbose:
|
||
|
|
logger.debug("data to be signed")
|
||
|
|
logger.debug(data)
|
||
|
|
return data
|
||
|
|
|
||
|
|
def load_alipay_public_key_string(self):
|
||
|
|
cert = OpenSSL.crypto.load_certificate(
|
||
|
|
OpenSSL.crypto.FILETYPE_PEM, self._alipay_public_key_cert_string
|
||
|
|
)
|
||
|
|
return OpenSSL.crypto.dump_publickey(
|
||
|
|
OpenSSL.crypto.FILETYPE_PEM, cert.get_pubkey()
|
||
|
|
).decode("utf-8")
|
||
|
|
|
||
|
|
@staticmethod
|
||
|
|
def get_cert_sn(cert):
|
||
|
|
"""
|
||
|
|
获取证书 SN 算法
|
||
|
|
"""
|
||
|
|
cert = OpenSSL.crypto.load_certificate(OpenSSL.crypto.FILETYPE_PEM, cert)
|
||
|
|
certIssue = cert.get_issuer()
|
||
|
|
name = 'CN={},OU={},O={},C={}'.format(certIssue.CN, certIssue.OU, certIssue.O, certIssue.C)
|
||
|
|
string = name + str(cert.get_serial_number())
|
||
|
|
return hashlib.md5(string.encode()).hexdigest()
|
||
|
|
|
||
|
|
@staticmethod
|
||
|
|
def read_pem_cert_chain(certContent):
|
||
|
|
"""解析根证书"""
|
||
|
|
# 根证书中，每个 cert 中间有两个回车间隔
|
||
|
|
items = [i for i in certContent.split('\n\n') if i]
|
||
|
|
load_cert = partial(OpenSSL.crypto.load_certificate, OpenSSL.crypto.FILETYPE_PEM)
|
||
|
|
return [load_cert(c) for c in items]
|
||
|
|
|
||
|
|
@staticmethod
|
||
|
|
def get_root_cert_sn(rootCert):
|
||
|
|
""" 根证书 SN 算法"""
|
||
|
|
certs = DCAliPay.read_pem_cert_chain(rootCert)
|
||
|
|
rootCertSN = None
|
||
|
|
for cert in certs:
|
||
|
|
try:
|
||
|
|
sigAlg = cert.get_signature_algorithm()
|
||
|
|
except ValueError:
|
||
|
|
continue
|
||
|
|
if sigAlg in CryptoAlgSet:
|
||
|
|
certIssue = cert.get_issuer()
|
||
|
|
name = 'CN={},OU={},O={},C={}'.format(
|
||
|
|
certIssue.CN, certIssue.OU, certIssue.O, certIssue.C
|
||
|
|
)
|
||
|
|
string = name + str(cert.get_serial_number())
|
||
|
|
certSN = hashlib.md5(string.encode()).hexdigest()
|
||
|
|
if not rootCertSN:
|
||
|
|
rootCertSN = certSN
|
||
|
|
else:
|
||
|
|
rootCertSN = rootCertSN + '_' + certSN
|
||
|
|
return rootCertSN
|
||
|
|
|
||
|
|
@property
|
||
|
|
def app_cert_sn(self):
|
||
|
|
if not hasattr(self, "_app_cert_sn"):
|
||
|
|
self._app_cert_sn = self.get_cert_sn(self._app_public_key_cert_string)
|
||
|
|
return getattr(self, "_app_cert_sn")
|
||
|
|
|
||
|
|
@property
|
||
|
|
def alipay_root_cert_sn(self):
|
||
|
|
if not hasattr(self, "_alipay_root_cert_sn"):
|
||
|
|
self._alipay_root_cert_sn = self.get_root_cert_sn(self._alipay_root_cert_string)
|
||
|
|
return getattr(self, "_alipay_root_cert_sn")
|
||
|
|
|
||
|
|
def api_alipay_fund_trans_uni_transfer(
|
||
|
|
self, out_biz_no, identity_type, identity, trans_amount, name=None, **kwargs
|
||
|
|
):
|
||
|
|
"""
|
||
|
|
单笔转账接口, 只支持公钥证书模式
|
||
|
|
文档地址: https://opendocs.alipay.com/apis/api_28/alipay.fund.trans.uni.transfer
|
||
|
|
"""
|
||
|
|
assert identity_type in ("ALIPAY_USER_ID", "ALIPAY_LOGON_ID"), "unknown identity type"
|
||
|
|
|
||
|
|
biz_content = {
|
||
|
|
"payee_info": {
|
||
|
|
"identity": identity,
|
||
|
|
"identity_type": identity_type,
|
||
|
|
},
|
||
|
|
"out_biz_no": out_biz_no,
|
||
|
|
"trans_amount": trans_amount,
|
||
|
|
"product_code": "TRANS_ACCOUNT_NO_PWD",
|
||
|
|
"biz_scene": "DIRECT_TRANSFER",
|
||
|
|
}
|
||
|
|
biz_content["payee_info"]["name"] = name if name else None
|
||
|
|
biz_content.update(kwargs)
|
||
|
|
|
||
|
|
response_type = "alipay_fund_trans_uni_transfer_response"
|
||
|
|
data = self.build_body("alipay.fund.trans.uni.transfer", biz_content)
|
||
|
|
return self.verified_sync_response(data, response_type)
|
||
|
|
|
||
|
|
|
||
|
|
class ISVAliPay(BaseAliPay):
|
||
|
|
|
||
|
|
def __init__(
|
||
|
|
self,
|
||
|
|
appid,
|
||
|
|
app_notify_url,
|
||
|
|
app_private_key_string=None,
|
||
|
|
alipay_public_key_string=None,
|
||
|
|
sign_type="RSA2",
|
||
|
|
debug=False,
|
||
|
|
app_auth_token=None,
|
||
|
|
app_auth_code=None
|
||
|
|
):
|
||
|
|
if not app_auth_token and not app_auth_code:
|
||
|
|
raise Exception("Both app_auth_code and app_auth_token are None !!!")
|
||
|
|
|
||
|
|
self._app_auth_token = app_auth_token
|
||
|
|
self._app_auth_code = app_auth_code
|
||
|
|
super().__init__(
|
||
|
|
appid,
|
||
|
|
app_notify_url,
|
||
|
|
app_private_key_string=app_private_key_string,
|
||
|
|
alipay_public_key_string=alipay_public_key_string,
|
||
|
|
sign_type=sign_type,
|
||
|
|
debug=debug
|
||
|
|
)
|
||
|
|
|
||
|
|
@property
|
||
|
|
def app_auth_token(self):
|
||
|
|
# 没有则换取token
|
||
|
|
if not self._app_auth_token:
|
||
|
|
result = self.api_alipay_open_auth_token_app(self._app_auth_code)
|
||
|
|
self._app_auth_token = result.get("app_auth_token")
|
||
|
|
if not self._app_auth_token:
|
||
|
|
msg = "Get auth token by auth code failed: {}"
|
||
|
|
raise Exception(msg.format(self._app_auth_code))
|
||
|
|
return self._app_auth_token
|
||
|
|
|
||
|
|
def build_body(self, *args, **kwargs):
|
||
|
|
data = super().build_body(*args, **kwargs)
|
||
|
|
if self._app_auth_token:
|
||
|
|
data["app_auth_token"] = self._app_auth_token
|
||
|
|
if self._verbose:
|
||
|
|
logger.debug("data to be signed")
|
||
|
|
logger.debug(data)
|
||
|
|
|
||
|
|
return data
|
||
|
|
|
||
|
|
def api_alipay_open_auth_token_app(self, refresh_token=None):
|
||
|
|
"""
|
||
|
|
response = {
|
||
|
|
"code": "10000",
|
||
|
|
"msg": "Success",
|
||
|
|
"app_auth_token": "201708BB28623ce3d10f4f62875e9ef5cbeebX07",
|
||
|
|
"app_refresh_token": "201708BB108a270d8bb6409890d16175a04a7X07",
|
||
|
|
"auth_app_id": "appid",
|
||
|
|
"expires_in": 31536000,
|
||
|
|
"re_expires_in": 32140800,
|
||
|
|
"user_id": "2088xxxxx
|
||
|
|
}
|
||
|
|
"""
|
||
|
|
|
||
|
|
if refresh_token:
|
||
|
|
biz_content = {
|
||
|
|
"grant_type": "refresh_token",
|
||
|
|
"refresh_token": refresh_token
|
||
|
|
}
|
||
|
|
else:
|
||
|
|
biz_content = {
|
||
|
|
"grant_type": "authorization_code",
|
||
|
|
"code": self._app_auth_code
|
||
|
|
}
|
||
|
|
data = self.build_body(
|
||
|
|
"alipay.open.auth.token.app",
|
||
|
|
biz_content,
|
||
|
|
)
|
||
|
|
response_type = "alipay_open_auth_token_app_response"
|
||
|
|
return self.verified_sync_response(data, response_type)
|
||
|
|
|
||
|
|
def api_alipay_open_auth_token_app_query(self):
|
||
|
|
biz_content = {"app_auth_token": self.app_auth_token}
|
||
|
|
data = self.build_body(
|
||
|
|
"alipay.open.auth.token.app.query",
|
||
|
|
biz_content,
|
||
|
|
)
|
||
|
|
response_type = "alipay_open_auth_token_app_query_response"
|
||
|
|
return self.verified_sync_response(data, response_type)
|