's'

app/payment/zpay.py

@@ -0,0 +1,153 @@
+"""
+ZPAY 支付渠道实现
+文档: https://z-pay.cn/doc.html
+支持：页面跳转支付、API 接口支付、异步通知验签
+"""
+import hashlib
+from typing import Any, Dict, Optional
+
+import requests
+
+from .base import PaymentProvider
+
+
+class ZPayProvider(PaymentProvider):
+    """ZPAY 支付（易支付兼容接口）"""
+
+    # API 地址
+    SUBMIT_URL = "https://zpayz.cn/submit.php"  # 页面跳转
+    MAPI_URL = "https://zpayz.cn/mapi.php"  # API 接口
+
+    def __init__(self, pid: str, key: str):
+        self.pid = pid
+        self.key = key
+
+    @property
+    def name(self) -> str:
+        return "zpay"
+
+    def _md5_sign(self, params: Dict[str, Any], exclude: Optional[set] = None) -> str:
+        """
+        ZPAY MD5 签名算法：
+        1. 参数按 ASCII 排序，sign/sign_type/空值不参与
+        2. 拼接为 a=b&c=d
+        3. sign = md5(拼接串 + KEY)，小写
+        """
+        exclude = exclude or {"sign", "sign_type"}
+        filtered = {k: v for k, v in params.items() if k not in exclude and v is not None and v != ""}
+        sorted_keys = sorted(filtered.keys())
+        parts = [f"{k}={filtered[k]}" for k in sorted_keys]
+        raw = "&".join(parts) + self.key
+        return hashlib.md5(raw.encode("utf-8")).hexdigest().lower()
+
+    def create_order(
+        self,
+        *,
+        order_id: str,
+        name: str,
+        total_fee_yuan: str,
+        pay_type: str,
+        notify_url: str,
+        return_url: Optional[str] = None,
+        client_ip: Optional[str] = None,
+        extra: Optional[Dict[str, Any]] = None,
+    ) -> Dict[str, Any]:
+        # ZPAY: alipay / wxpay（pay_type 可为业务类型或支付方式，此处按支付方式解析）
+        channel_type = "wxpay" if str(pay_type).lower() in ("wx", "wechat", "wxpay") else "alipay"
+        params = {
+            "pid": self.pid,
+            "type": channel_type,
+            "out_trade_no": order_id,
+            "notify_url": notify_url,
+            "name": name,
+            "money": total_fee_yuan,
+            "return_url": return_url or notify_url,
+        }
+        if client_ip:
+            params["clientip"] = client_ip
+        if extra and extra.get("param"):
+            params["param"] = str(extra["param"])
+        params["sign_type"] = "MD5"
+        params["sign"] = self._md5_sign(params)
+
+        # 页面跳转方式：返回 form 提交 URL 和参数
+        return {
+            "status": "ok",
+            "provider": self.name,
+            "params": params,
+            "pay_url": self.SUBMIT_URL,
+            "submit_method": "POST",
+        }
+
+    def create_order_api(
+        self,
+        *,
+        order_id: str,
+        name: str,
+        total_fee_yuan: str,
+        pay_type: str,
+        notify_url: str,
+        return_url: Optional[str] = None,
+        client_ip: str = "127.0.0.1",
+        device: str = "pc",
+        extra: Optional[Dict[str, Any]] = None,
+    ) -> Dict[str, Any]:
+        """
+        ZPAY API 接口支付（返回 payurl/qrcode 等）
+        适用于需要二维码或 H5 跳转的场景
+        """
+        channel_type = "wxpay" if pay_type.lower() in ("wx", "wechat", "wxpay") else "alipay"
+        params = {
+            "pid": self.pid,
+            "type": channel_type,
+            "out_trade_no": order_id,
+            "notify_url": notify_url,
+            "name": name,
+            "money": total_fee_yuan,
+            "clientip": client_ip or "127.0.0.1",
+            "device": device,
+        }
+        if return_url:
+            params["return_url"] = return_url
+        if extra and extra.get("param"):
+            params["param"] = str(extra["param"])
+        params["sign_type"] = "MD5"
+        params["sign"] = self._md5_sign(params)
+
+        resp = requests.post(self.MAPI_URL, data=params, timeout=15)
+        result = resp.json() if resp.headers.get("content-type", "").startswith("application/json") else {}
+        if isinstance(result, dict) and result.get("code") == 1:
+            return {
+                "status": "ok",
+                "provider": self.name,
+                "payurl": result.get("payurl"),
+                "payurl2": result.get("payurl2"),  # 微信 H5
+                "qrcode": result.get("qrcode"),
+                "img": result.get("img"),
+                "O_id": result.get("O_id"),
+                "trade_no": result.get("trade_no"),
+            }
+        return {
+            "status": "error",
+            "provider": self.name,
+            "msg": result.get("msg", resp.text),
+        }
+
+    def verify_notify(self, data: Dict[str, Any]) -> bool:
+        received = data.get("sign", "")
+        calculated = self._md5_sign(data)
+        return calculated == received
+
+    def parse_notify(self, data: Dict[str, Any]) -> Dict[str, Any]:
+        # ZPAY 通知：trade_status 为 TRADE_SUCCESS 表示成功
+        status = "success" if data.get("trade_status") == "TRADE_SUCCESS" else "pending"
+        return {
+            "order_id": data.get("out_trade_no", ""),
+            "trade_no": data.get("trade_no", ""),
+            "pay_price": data.get("money", ""),
+            "pay_time": "",  # ZPAY 通知未明确返回
+            "trade_status": status,
+        }
+
+    def success_response(self) -> str:
+        return "success"