Merge pull request #1258 from RockChinQ/feat/slack

feat: add slack adapter

pkg/utils/image.py

@@ -212,4 +212,19 @@ async def extract_b64_and_format(image_base64_data: str) -> typing.Tuple[str, st
     """
     base64_str = image_base64_data.split(',')[-1]
     image_format = image_base64_data.split(':')[-1].split(';')[0].split('/')[-1]
-    return base64_str, image_format
+    return base64_str, image_format
+
+
+
+async def get_slack_image_to_base64(pic_url:str, bot_token:str):
+    headers = {"Authorization": f"Bearer {bot_token}"}
+    try:
+        async with aiohttp.ClientSession() as session:
+            async with session.get(pic_url, headers=headers) as resp:
+                image_data = await resp.read()
+                return base64.b64encode(image_data).decode('utf-8')
+    except Exception as e:
+        raise(e)
+
+
+