refactor: Organize mail, stripe, gift, and Claude authentication modules into a new core package and update imports.

core/gift_checker.py

@@ -0,0 +1,75 @@
+from curl_cffi import requests  # 用于模拟指纹
+
+from config import PRODUCT_ID, get_proxy
+from core.models import ClaudeAccount
+from core.identity import random_address
+
+
+class GiftChecker:
+    def __init__(self, account: ClaudeAccount):
+        self.account = account
+
+    def purchase(self, pm_id):
+        """尝试购买 Gift"""
+        url = f"https://claude.ai/api/billing/{self.account.org_uuid}/gift/purchase"
+        
+        headers = {
+            "Host": "claude.ai",
+            "User-Agent": self.account.user_agent,
+            "Content-Type": "application/json",
+            "Accept": "*/*",
+            "Anthropic-Client-Version": "1.0.0",
+            "Anthropic-Client-Platform": "web_claude_ai",
+            "Anthropic-Device-Id": self.account.device_id,
+            "Origin": "https://claude.ai",
+            "Referer": "https://claude.ai/gift",
+            "Cookie": f"sessionKey={self.account.session_key}"
+        }
+
+        payload = {
+            "product_id": PRODUCT_ID,
+            "currency": "USD",
+            "payment_method_id": pm_id,
+            "to_email": self.account.email,
+            "to_name": "",
+            "from_name": "Checker",
+            "from_email": self.account.email,
+            "gift_message": "",
+            "card_color": "clay",
+            "billing_address": random_address(),
+            "scheduled_delivery_at": None
+        }
+
+        try:
+            print(f"[*] 正在尝试扣款 (Gift Purchase)...")
+            resp = requests.post(url, json=payload, headers=headers, impersonate="chrome124", proxies=get_proxy())
+            
+            resp_json = {}
+            try:
+                resp_json = resp.json()
+            except:
+                pass
+
+            if resp.status_code == 200:
+                print("[$$$] 成功! CHARGED! 该卡有效 (Live)!")
+                return "LIVE"
+            elif resp.status_code == 402:
+                err_msg = resp_json.get("error", {}).get("message", "Unknown error")
+                print(f"[-] 支付失败 (402): {err_msg}")
+                
+                if "declined" in err_msg.lower():
+                    return "DECLINED"
+                elif "insufficient" in err_msg.lower():
+                    return "INSUFFICIENT_FUNDS"
+                elif "security code" in err_msg.lower() or "cvc" in err_msg.lower():
+                    print("[!] CCN LIVE (CVC 错误，说明卡号有效)")
+                    return "CCN_LIVE"
+                else:
+                    return "DEAD"
+            else:
+                print(f"[-] 未知响应 Code: {resp.status_code}, Body: {resp.text}")
+                return "ERROR"
+
+        except Exception as e:
+            print(f"[-] 购买请求异常: {e}")
+            return "ERROR"