fix HLS key URL modification

mediaflow_proxy/handlers.py

@@ -124,7 +124,7 @@ async def fetch_and_process_m3u8(url: str, headers: dict, request: Request, key_
         try:
             streamer = Streamer(client)
             content = await streamer.get_text(url, headers)
-            processor = M3U8Processor(request, HttpUrl)
+            processor = M3U8Processor(request, key_url)
             processed_content = await processor.process_m3u8(content, str(streamer.response.url))
             return Response(
                 content=processed_content,

mediaflow_proxy/utils/m3u8_processor.py

@@ -56,9 +56,8 @@ class M3U8Processor:
             original_uri = uri_match.group(1)
             uri = parse.urlparse(original_uri)
             if self.key_url:
-                uri.scheme = self.key_url.scheme
-                uri.netloc = self.key_url.netloc
-            new_uri = await self.proxy_url(str(uri), base_url)
+                uri = uri._replace(scheme=self.key_url.scheme, netloc=self.key_url.host)
+            new_uri = await self.proxy_url(uri.geturl(), base_url)
             line = line.replace(f'URI="{original_uri}"', f'URI="{new_uri}"')
         return line