v1.6: Platform Gateway — Amazon/JD/Taobao/PDD/TikTok 5平台API集成 + start_provision_v2.sh

2026-06-05 04:30:28 +00:00
parent 351c9b82fb
commit 989e21d1f6
19 changed files with 1760 additions and 15 deletions
@@ -0,0 +1,121 @@
+# -*- coding: utf-8 -*-
+"""TikTok/Douyin (抖音) open platform adapter.
+
+Endpoint: https://open.douyin.com/ (multiple paths)
+Auth:     client_key + client_secret + access_token (OAuth 2.0)
+Sign:     HMAC-SHA256 (different from MD5 platforms)
+Method:   /goods/detail  (by goods_id)  -- requires video/goods scope
+
+cred shape:
+  {"client_key": "...", "client_secret": "...", "access_token": "..."}
+
+query shape:
+  {"goods_id": "12345"}   -> /goods/detail
+  {"sku": "12345"}        -> alias
+"""
+
+from __future__ import annotations
+
+import hashlib
+import hmac
+import json
+import logging
+import time
+from typing import Any
+from urllib.parse import urlencode, quote
+
+import httpx
+
+from .base import UnifiedResult
+
+log = logging.getLogger("chathub.gateway.tiktok")
+
+OAUTH_TOKEN_URL = "https://open.douyin.com/oauth/access_token/"
+GOODS_DETAIL_URL = "https://open.douyin.com/goods/detail"
+
+
+def _hmac_sign(secret: str, message: str) -> str:
+    """Douyin HMAC-SHA256 hex (lowercase)."""
+    return hmac.new(secret.encode("utf-8"), message.encode("utf-8"), hashlib.sha256).hexdigest()
+
+
+async def fetch(creds: dict, query: dict) -> UnifiedResult:
+    goods_id = query.get("goods_id") or query.get("sku")
+
+    client_key = creds.get("client_key") or creds.get("app_id") or creds.get("app_key")
+    client_secret = creds.get("client_secret") or creds.get("app_secret")
+    access_token = creds.get("access_token") or creds.get("refresh_token")
+
+    if not client_key or not client_secret:
+        return UnifiedResult(
+            status="no_creds",
+            error="missing client_key/client_secret (set them via channelAuth)",
+            channel="tiktok",
+        )
+    if not access_token:
+        return UnifiedResult(
+            status="no_creds",
+            error="missing access_token (obtain via 抖音 OAuth authorization; 2hr TTL, refresh via refresh_token)",
+            channel="tiktok",
+        )
+    if not goods_id:
+        return UnifiedResult(status="error", error="missing goods_id", channel="tiktok")
+
+    params = {
+        "access_token": access_token,
+        "goods_id": str(goods_id),
+        "app_id": client_key,
+    }
+    param_json = json.dumps({"goods_id": str(goods_id)}, ensure_ascii=False, separators=(",", ":"))
+    base_string = f"app_id={client_key}&goods_id={goods_id}&access_token={access_token}"
+    signature = _hmac_sign(client_secret, base_string)
+
+    try:
+        async with httpx.AsyncClient(timeout=8.0) as client:
+            r = await client.post(
+                GOODS_DETAIL_URL,
+                params={"access_token": access_token, "app_id": client_key, "goods_id": str(goods_id), "sign": signature},
+            )
+            r.raise_for_status()
+            payload = r.json()
+    except httpx.HTTPStatusError as e:
+        return UnifiedResult(
+            status="error",
+            error=f"HTTP {e.response.status_code}: {e.response.text[:200]}",
+            channel="tiktok",
+        )
+    except Exception as e:
+        return UnifiedResult(status="error", error=str(e)[:200], channel="tiktok")
+
+    err_code = str(payload.get("err_no", payload.get("code", "")))
+    if err_code not in ("", "0"):
+        return UnifiedResult(
+            status="error",
+            error=f"Douyin err_no={err_code} msg={payload.get('message', payload.get('errmsg', ''))}",
+            channel="tiktok",
+        )
+
+    data = payload.get("data") or payload.get("goods_detail") or {}
+    if not data:
+        return UnifiedResult(status="error", error=f"goods_id {goods_id} not found", channel="tiktok")
+
+    price = data.get("price") or data.get("min_price")
+    if price and isinstance(price, str):
+        try:
+            price = float(price) / 100
+        except (ValueError, TypeError):
+            pass
+
+    return UnifiedResult(
+        status="success",
+        data={
+            "title": data.get("title") or data.get("goods_name") or f"goods {goods_id}",
+            "price": price,
+            "currency": "CNY",
+            "url": data.get("share_url") or data.get("detail_url") or f"https://haohuo.jinritemai.com/GoodsDetail?goods_id={goods_id}",
+            "image": (data.get("cover") or {}).get("url") if isinstance(data.get("cover"), dict) else data.get("cover"),
+            "in_stock": (data.get("stock") or 0) > 0,
+            "sales": data.get("sales"),
+        },
+        channel="tiktok",
+    )