抖音解析新增Cookie配置并接入本地后备提取链路

变更项：

- 配置文件新增 cookie 与 cookie_file 两个参数，支持账号态提取

- 解析请求与媒资下载统一接入请求头构建，按配置自动注入 Cookie

- yt-dlp Python/命令行两种后备提取方式均支持 Cookie 注入

- Cookie 注入策略为 cookie_file 优先、cookie 次之，提升受限场景下无水印链接提取成功率

plugins/douyin_parser/main.py

@@ -91,6 +91,12 @@ class DouyinParserPlugin(MessagePluginInterface):
         douyin_config = self._config.get("Douyin", {})
         self.enable = douyin_config.get("enable", True)
         self.http_proxy = douyin_config.get("http_proxy", "")
+        # Cookie 配置说明：
+        # 1) cookie: 直接粘贴请求头 Cookie 字符串；
+        # 2) cookie_file: Netscape 格式 cookies 文件路径；
+        # 3) 当二者同时存在时，后备提取优先 cookie_file（兼容性更好）。
+        self.cookie = douyin_config.get("cookie", "") or ""
+        self.cookie_file = douyin_config.get("cookie_file", "") or ""
         self.download_mode = douyin_config.get("download_mode", "card")  # card或file
 
         self.LOG.debug(f"[{self.name}] 插件初始化完成，代理设置: {self.http_proxy}")
@@ -261,10 +267,30 @@ class DouyinParserPlugin(MessagePluginInterface):
             return {"http": self.http_proxy, "https": self.http_proxy}
         return None
 
+    def _build_request_headers(self) -> Dict[str, str]:
+        """
+        构建通用请求头。
+
+        设计说明：
+        - User-Agent 保持常规浏览器标识，降低被目标站点直接拒绝的概率；
+        - Cookie 在有配置时注入到请求头，提升受限资源的提取成功率。
+        """
+        headers = {
+            "User-Agent": (
+                "Mozilla/5.0 (Windows NT 10.0; Win64; x64) "
+                "AppleWebKit/537.36 (KHTML, like Gecko) "
+                "Chrome/124.0.0.0 Safari/537.36"
+            )
+        }
+        if self.cookie:
+            headers["Cookie"] = self.cookie
+        return headers
+
     def _parse_from_internal_api(self, clean_url: str) -> Optional[Dict[str, Any]]:
         try:
             endpoint = "http://192.168.2.32:8999/api/hybrid/video_data"
-            headers = {"accept": "application/json"}
+            headers = self._build_request_headers()
+            headers["accept"] = "application/json"
             params = {"url": clean_url, "minimal": "false"}
             response = requests.get(endpoint, headers=headers, params=params, timeout=10, proxies=self._build_proxies())
             if response.status_code != 200:
@@ -325,7 +351,13 @@ class DouyinParserPlugin(MessagePluginInterface):
         try:
             pay_api_url = "https://api.pearktrue.cn/api/video/api.php"
             params = {"url": clean_url, "key": "f56c1fed0c6e64e7"}
-            response = requests.post(pay_api_url, params=params, timeout=10, proxies=self._build_proxies())
+            response = requests.post(
+                pay_api_url,
+                params=params,
+                headers=self._build_request_headers(),
+                timeout=10,
+                proxies=self._build_proxies(),
+            )
             if response.status_code != 200:
                 return None
             data = response.json() or {}
@@ -391,7 +423,13 @@ class DouyinParserPlugin(MessagePluginInterface):
         """
         try:
             # 发送GET请求，启用流式传输
-            response = requests.get(url, stream=True)
+            response = requests.get(
+                url,
+                stream=True,
+                headers=self._build_request_headers(),
+                proxies=self._build_proxies(),
+                timeout=30,
+            )
 
             # 检查请求是否成功
             response.raise_for_status()  # 如果状态码不是200，将抛出异常
@@ -423,7 +461,12 @@ class DouyinParserPlugin(MessagePluginInterface):
 
     def _download_image_bytes(self, url: str) -> Optional[bytes]:
         try:
-            resp = requests.get(url, timeout=15, proxies=self._build_proxies())
+            resp = requests.get(
+                url,
+                headers=self._build_request_headers(),
+                timeout=15,
+                proxies=self._build_proxies(),
+            )
             if resp.status_code == 200:
                 return resp.content
             return None
@@ -540,6 +583,13 @@ class DouyinParserPlugin(MessagePluginInterface):
             "proxy": self.http_proxy or None,
             "nocheckcertificate": True,
         }
+        # Cookie 注入策略：
+        # - 优先使用 cookie_file（yt-dlp 官方支持的 cookies 文件，兼容性更高）；
+        # - 否则回退到手工 Cookie 请求头。
+        if self.cookie_file and os.path.exists(self.cookie_file):
+            ydl_opts["cookiefile"] = self.cookie_file
+        elif self.cookie:
+            ydl_opts["http_headers"] = {"Cookie": self.cookie}
         with yt_dlp.YoutubeDL(ydl_opts) as ydl:
             info = ydl.extract_info(clean_url, download=False)
             if isinstance(info, dict):
@@ -559,6 +609,11 @@ class DouyinParserPlugin(MessagePluginInterface):
         cmd = [yt_dlp_bin, "-J", "--no-warnings", "--skip-download", clean_url]
         if self.http_proxy:
             cmd.extend(["--proxy", self.http_proxy])
+        # 命令行模式下同样注入 Cookie，确保与 Python 模式行为一致。
+        if self.cookie_file and os.path.exists(self.cookie_file):
+            cmd.extend(["--cookies", self.cookie_file])
+        elif self.cookie:
+            cmd.extend(["--add-header", f"Cookie: {self.cookie}"])
 
         result = subprocess.run(cmd, capture_output=True, text=True, timeout=25)
         if result.returncode != 0: