embed.sanitizer: fix double-slash on path

- run: add app.session

litecord/embed/sanitizer.py

@@ -65,7 +65,7 @@ def proxify(url) -> str:
     return (
         # base mediaproxy url
         f'{proto}://{md_base_url}/img/'
-        f'{parsed.scheme}/{parsed.netloc}/{parsed.path}'
+        f'{parsed.scheme}/{parsed.netloc}{parsed.path}'
     )
 
 
@@ -73,7 +73,7 @@ async def fetch_metadata(url) -> dict:
     """Fetch metadata for a url."""
     parsed = url.parsed
 
-    md_path = f'{parsed.scheme}/{parsed.netloc}/{parsed.path}'
+    md_path = f'{parsed.scheme}/{parsed.netloc}{parsed.path}'
 
     md_base_url = app.config['MEDIA_PROXY']
     proto = 'https' if app.config['IS_SSL'] else 'http'

run.py

@@ -8,6 +8,7 @@ import websockets
 from quart import Quart, g, jsonify, request
 from logbook import StreamHandler, Logger
 from logbook.compat import redirect_logging
+from aiohttp import ClientSession
 
 # import the config set by instance owner
 import config
@@ -281,6 +282,8 @@ async def app_before_serving():
     g.app = app
     g.loop = asyncio.get_event_loop()
 
+    app.session = ClientSession()
+
     init_app_managers(app)
 
     # start the websocket, etc