Fix proxy

app.py

@@ -4,6 +4,7 @@ import os
 import traceback
 from datetime import datetime
 from typing import Any
+from urllib.parse import urlparse
 from uuid import uuid4
 
 import requests
@@ -242,6 +243,7 @@ def proxy(url: str) -> Any:
         for k, v in dict(request.headers).items()
         if k.lower() not in ["host", "cookie"]
     }
+    req_headers["Host"] = urlparse(url).netloc
     resp = requests.get(url, stream=True, headers=req_headers)
     app.logger.info(f"proxied req {url}: {resp!r}")
 

utils/template_filters.py

@@ -15,6 +15,7 @@ from little_boxes.activitypub import _to_list
 from little_boxes.errors import ActivityGoneError
 from little_boxes.errors import ActivityNotFoundError
 
+from config import BASE_URL
 from config import EMOJI_TPL
 from config import ID
 from config import MEDIA_CACHE
@@ -249,6 +250,8 @@ def _get_file_url(url, size, kind) -> str:
 
     # MEDIA_CACHE.cache(url, kind)
     _logger.error(f"cache not available for {url}/{size}/{kind}")
+    if url.startswith(BASE_URL):
+        return url
     return f"/p/{url}"