Update hash method

jarvis_core/util/__init__.py

@@ -48,8 +48,9 @@ async def hash(
     Hash an object.
 
     Args:
-        hash_func: Hash function, default `hashlib.sha256`
         data: URL or text to hash
+        method: Hash function/function name, default `hashlib.sha256`
+        size: Blocksize, default `8 MB`
 
     Returns:
         Tuple of hash hex, data size, and content type

jarvis_core/util/http.py

@@ -24,4 +24,4 @@ async def get_size(link: str) -> int:
     async with ClientSession() as session:
         resp = await session.get(link)
         resp.raise_for_status()
-        return resp.content_length
+        return resp.content_length or -1