error page

lunaticsm · lunaticsm · commit d99845863a71 · 2025-11-15T08:56:01.000Z
diff --git a/app/core/exceptions.py b/app/core/exceptions.py
@@ -1,9 +1,31 @@
+from pathlib import Path
+
 from fastapi import FastAPI, Request
 from fastapi.responses import HTMLResponse, JSONResponse
 from starlette.exceptions import HTTPException as StarletteHTTPException
 
 from app.core.templates import render_template
 
+FRONTEND_INDEX = Path(__file__).resolve().parents[2] / "frontend" / "dist" / "index.html"
+SPA_REDIRECT_HTML = """<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8" />
+    <title>Redirecting…</title>
+    <meta http-equiv="refresh" content="0; url=/app/404" />
+    <script>
+      window.location.replace("/app/404");
+    </script>
+  </head>
+  <body style="font-family: sans-serif; background: #05070f; color: #f8fafc; text-align: center; padding: 3rem;">
+    <p>Routing you to the AlterBase CDN app…</p>
+    <noscript>
+      JavaScript is required for the dashboard. <a href="/app/404">Continue to the Not Found page</a>.
+    </noscript>
+  </body>
+</html>
+"""
+
 
 def register_exception_handlers(app: FastAPI) -> None:
     @app.exception_handler(404)
@@ -12,6 +34,9 @@ async def not_found_handler(request: Request, exc: StarletteHTTPException):
         detail = exc.detail if hasattr(exc, "detail") else "Not Found"
         if "application/json" in accept and "text/html" not in accept:
             return JSONResponse({"detail": detail}, status_code=404)
+        if FRONTEND_INDEX.exists() and ("text/html" in accept or "application/json" not in accept):
+            # Surface the React SPA's NotFound route while keeping a 404 status code
+            return HTMLResponse(content=SPA_REDIRECT_HTML, status_code=404)
         detail_text = (
             detail
             if detail not in (None, "", "Not found", "Not Found")
diff --git a/tests/test_app.py b/tests/test_app.py
@@ -23,10 +23,6 @@ def _prepare_client(tmp_path, monkeypatch, *, rate_limit="5", max_size=str(10 *
     monkeypatch.setenv("CACHE_MAX_AGE_SECONDS", cache_age)
     monkeypatch.setenv("ADMIN_PASSWORD", "test-admin")
     monkeypatch.setenv("ADMIN_LOCK_STEP_SECONDS", lock_step)
-    monkeypatch.setenv("MEGA_BACKUP_ENABLED", "false")
-    monkeypatch.setenv("MEGA_EMAIL", "")
-    monkeypatch.setenv("MEGA_PASSWORD", "")
-    monkeypatch.setenv("MEGA_FOLDER_NAME", "")
 
     # Reload modules so configuration changes take effect cleanly.
     module_order = [
