Revert "Reapply "完善表情资产后台能力并补充群总结落库""

This reverts commit 079f363382.

wechat_ipad/client/tools.py

@@ -1,7 +1,6 @@
 import base64
 import io
 import os
-import imghdr
 import aiofiles
 
 import aiohttp
@@ -13,19 +12,19 @@ from wechat_ipad.client.base import WechatAPIClientBase, Proxy
 
 
 class ToolMixin(WechatAPIClientBase):
-    async def download_cdn_file(self, aeskey: str, file_url: str) -> str:
-        """通用 CDN 文件下载。
+    async def download_image(self, aeskey: str, cdnmidimgurl: str) -> str:
+        """CDN下载高清图片。
         {
           "Wxid": "string",
           "FileNo": "string",
           "FileAesKey": "string"
         }
         Args:
-            aeskey (str): 文件的AES密钥
-            file_url (str): 文件的CDN URL
+            aeskey (str): 图片的AES密钥
+            cdnmidimgurl (str): 图片的CDN URL
 
         Returns:
-            str: 文件的base64编码字符串
+            str: 图片的base64编码字符串
 
         Raises:
             UserLoggedOut: 未登录时调用
@@ -35,7 +34,7 @@ class ToolMixin(WechatAPIClientBase):
             raise UserLoggedOut("请先登录")
 
         async with aiohttp.ClientSession() as session:
-            json_param = {"Wxid": self.wxid, "FileAesKey": aeskey, "FileNo": file_url}
+            json_param = {"Wxid": self.wxid, "FileAesKey": aeskey, "FileNo": cdnmidimgurl}
             response = await session.post(f'http://{self.ip}:{self.port}/api/Tools/CdnDownloadImage', json=json_param)
             json_resp = await response.json()
 
@@ -44,10 +43,6 @@ class ToolMixin(WechatAPIClientBase):
             else:
                 self.error_handler(json_resp)
 
-    async def download_image(self, aeskey: str, cdnmidimgurl: str) -> str:
-        """CDN下载高清图片。"""
-        return await self.download_cdn_file(aeskey, cdnmidimgurl)
-
     async def download_voice(self, msg_id: str, voiceurl: str, length: int) -> str:
         """下载语音文件。
 
@@ -270,42 +265,6 @@ class ToolMixin(WechatAPIClientBase):
         except Exception as e:
             return False
 
-    @staticmethod
-    def guess_file_extension(file_bytes: bytes, default_ext: str = ".bin") -> str:
-        """根据文件头猜测扩展名。"""
-        if not file_bytes:
-            return default_ext
-        if file_bytes.startswith(b"GIF87a") or file_bytes.startswith(b"GIF89a"):
-            return ".gif"
-        if file_bytes.startswith(b"\x89PNG\r\n\x1a\n"):
-            return ".png"
-        if file_bytes.startswith(b"RIFF") and file_bytes[8:12] == b"WEBP":
-            return ".webp"
-        if file_bytes.startswith(b"\xff\xd8\xff"):
-            return ".jpg"
-        detected = imghdr.what(None, h=file_bytes)
-        if detected:
-            return f".{detected}"
-        return default_ext
-
-    @staticmethod
-    async def base64_to_file_autoext(base64_str: str, file_stem: str, file_path: str,
-                                     default_ext: str = ".bin") -> str:
-        """将base64写入文件，并自动识别扩展名。"""
-        os.makedirs(file_path, exist_ok=True)
-
-        if ',' in base64_str:
-            base64_str = base64_str.split(',')[1]
-
-        file_bytes = base64.b64decode(base64_str)
-        ext = ToolMixin.guess_file_extension(file_bytes, default_ext=default_ext)
-        full_path = os.path.join(file_path, f"{file_stem}{ext}")
-
-        async with aiofiles.open(full_path, 'wb') as f:
-            await f.write(file_bytes)
-
-        return full_path
-
     @staticmethod
     async def file_to_base64(file_path: str) -> str:
         """将文件转换为base64字符串。