Fix static asset serving in devserver mode.

paskia/fastapi/admin.py

@@ -1,7 +1,7 @@
 import logging
 from uuid import UUID
 
-from fastapi import Body, FastAPI, HTTPException, Query, Request, Response
+from fastapi import Body, FastAPI, HTTPException, Query, Request
 from fastapi.responses import JSONResponse
 
 from paskia import aaguid as aaguid_mod
@@ -14,6 +14,7 @@ from paskia.db import User as UserDC
 from paskia.db.operations import _UNSET
 from paskia.db.structs import Client
 from paskia.fastapi import authz
+from paskia.fastapi.front import frontend
 from paskia.fastapi.response import MsgspecResponse
 from paskia.fastapi.session import AUTH_COOKIE
 from paskia.globals import passkey
@@ -78,7 +79,7 @@ async def general_exception_handler(_request, exc: Exception):  # pragma: no cov
 
 @app.get("/")
 async def adminapp(request: Request, auth=AUTH_COOKIE):
-    return Response(*await vitedev.read("/auth/admin/index.html"))
+    return await vitedev.handle(request, frontend, "/auth/admin/")
 
 
 # -------------------- Organizations --------------------

paskia/fastapi/api.py

@@ -20,7 +20,7 @@ from paskia.fastapi import authz, session, user
 from paskia.fastapi.response import MsgspecResponse
 from paskia.fastapi.session import AUTH_COOKIE, AUTH_COOKIE_NAME, get_client_ip
 from paskia.globals import passkey as global_passkey
-from paskia.util import hostutil, htmlutil, passphrase, userinfo, vitedev
+from paskia.util import hostutil, htmlutil, passphrase, userinfo
 from paskia.util.apistructs import ApiSettings, ApiTokenInfo, ApiValidateResponse
 
 bearer_auth = HTTPBearer(auto_error=False)
@@ -161,25 +161,15 @@ async def forward_authentication(
         # Clear cookie only if session is invalid (not for reauth)
         if e.clear_session:
             session.clear_session_cookie(response)
-
-        # Check Accept header to decide response format
-        accept = request.headers.get("accept", "")
-        wants_html = "text/html" in accept
-
-        if wants_html:
-            # Browser request - return full-page HTML with metadata
-            data_attrs = {"mode": e.mode, **e.metadata}
-            html = (await vitedev.read("/int/forward/index.html"))[0]
-            html = htmlutil.patch_html_data_attrs(html, **data_attrs)
-            return Response(
-                html, status_code=e.status_code, media_type="text/html; charset=UTF-8"
-            )
-        else:
-            # API request - return JSON with iframe srcdoc HTML
-            return JSONResponse(
-                status_code=e.status_code,
-                content=await authz.auth_error_content(e),
+        # Browser request? - return full-page HTML with metadata patched into data attrs
+        if "text/html" in request.headers.get("accept", ""):
+            return await htmlutil.patched_html_response(
+                request, "/int/forward/", e.status_code, mode=e.mode, **e.metadata
             )
+        # API request - return JSON with iframe srcdoc HTML
+        return JSONResponse(
+            status_code=e.status_code, content=await authz.auth_error_content(e)
+        )
 
 
 @app.get("/settings")

paskia/fastapi/mainapp.py

@@ -6,13 +6,15 @@ from pathlib import Path
 
 from fastapi import FastAPI, HTTPException, Request, Response
 from fastapi.responses import FileResponse, RedirectResponse
-from fastapi_vue import Frontend
 
 from paskia import authcode, globals
 from paskia.__main__ import DEVMODE
 from paskia.db import start_background, stop_background
 from paskia.db.logging import configure_db_logging
 from paskia.fastapi import admin, api, auth_host, oid, ws
+
+# Import frontend instance
+from paskia.fastapi.front import frontend
 from paskia.fastapi.logging import AccessLogMiddleware, configure_access_logging
 from paskia.fastapi.session import AUTH_COOKIE
 from paskia.util import hostutil, passphrase, vitedev
@@ -23,14 +25,6 @@ configure_db_logging()
 
 _access_logger = logging.getLogger("paskia.access")
 
-# Vue Frontend static files
-frontend = Frontend(
-    Path(__file__).parent.parent / "frontend-build",
-    cached=["/auth/assets/"],
-    favicon="/paskia.webp",
-)
-
-
 # Path to examples/index.html when running from source tree
 _EXAMPLES_DIR = Path(__file__).parent.parent.parent / "examples"
 
@@ -131,9 +125,9 @@ async def openid_configuration(request: Request):
 
 @app.get("/auth/restricted/iframe")
 @app.get("/auth/restricted/oidc")
-async def restricted_view():
+async def restricted_view(request: Request):
     """Serve the restricted/authentication UI for iframe or OpenID Connect."""
-    return Response(*await vitedev.read("/auth/restricted/index.html"))
+    return await vitedev.handle(request, frontend, "/auth/restricted/")
 
 
 # Navigable URLs are defined here. We support both / and /auth/ as the base path
@@ -148,7 +142,7 @@ async def frontapp(request: Request, response: Response, auth=AUTH_COOKIE):
     The frontend handles mode detection (host mode vs full profile) based on settings.
     Access control is handled via APIs.
     """
-    return Response(*await vitedev.read("/auth/index.html"))
+    return await vitedev.handle(request, frontend, "/auth/")
 
 
 @app.get("/admin", include_in_schema=False)
@@ -180,14 +174,13 @@ async def examples_page():
 
 
 # Frontend static files - must be before /{token} catch-all routes
-# (actual routes registered during lifespan after frontend.load())
 frontend.route(app, "/")
 
 
 # Note: this catch-all handler must be the last route defined
 @app.get("/{token}")
 @app.get("/auth/{token}")
-async def token_link(token: str):
+async def token_link(request: Request, token: str):
     """Serve the reset app for reset tokens (password reset / device addition).
 
     The frontend will validate the token via /auth/api/token-info.
@@ -195,4 +188,4 @@ async def token_link(token: str):
     if not passphrase.is_well_formed(token):
         raise HTTPException(status_code=404)
 
-    return Response(*await vitedev.read("/int/reset/index.html"))
+    return await vitedev.handle(request, frontend, "/int/reset/")

paskia/util/frontend.py

@@ -11,7 +11,7 @@ __all__ = ["path", "file", "read", "is_dev_mode"]
 
 def _get_dev_server() -> str | None:
     """Get the dev server URL from environment, or None if not in dev mode."""
-    return os.environ.get("FASTAPI_VUE_FRONTEND_URL") or None
+    return os.environ.get("PASKIA_VITE_URL") or None
 
 
 def _resolve_static_dir() -> Path:

paskia/util/htmlutil.py

@@ -2,6 +2,45 @@
 
 import re
 
+from paskia.fastapi.front import frontend
+from paskia.util import vitedev
+
+
+async def patched_html_response(request, filepath: str, status_code: int, **data_attrs):
+    """Fetch HTML from vitedev and patch with data attributes.
+
+    Strips caching/compression headers from request to get raw content,
+    patches the HTML body with data attributes, and strips caching headers
+    from response.
+
+    Args:
+        request: The FastAPI Request object
+        filepath: Path to HTML file, e.g. "/int/forward/"
+        status_code: HTTP status code for the response
+        **data_attrs: Key-value pairs for data attributes
+
+    Returns:
+        Patched Response object, or original response if not 200.
+    """
+    # Strip caching/compression headers to get raw uncompressed content
+    cache_headers = {b"if-none-match", b"if-modified-since", b"accept-encoding"}
+    request.scope["headers"] = [
+        (k, v) for k, v in request.scope["headers"] if k.lower() not in cache_headers
+    ]
+
+    resp = await vitedev.handle(request, frontend, filepath)
+    # Pass through non-200 responses
+    if resp.status_code != 200:
+        return resp
+    # Patch HTML with data attrs and strip caching headers from response
+    resp.body = patch_html_data_attrs(resp.body, **data_attrs)
+    resp.status_code = status_code
+    strip_headers = {b"etag", b"last-modified", b"content-length"}
+    resp.raw_headers = [
+        (k, v) for k, v in resp.raw_headers if k.lower() not in strip_headers
+    ]
+    return resp
+
 
 def patch_html_data_attrs(html: bytes, **data_attrs: str) -> bytes:
     """Patch HTML by adding data attributes to the <html> tag.

paskia/util/startupbox.py

@@ -69,7 +69,7 @@ def print_startup_config(config: "PaskiaConfig") -> None:
         lines.append(line(f"Auth Host:      {config.auth_host}"))
 
     # Show frontend URL if in dev mode
-    devmode = os.environ.get("FASTAPI_VUE_FRONTEND_URL")
+    devmode = os.environ.get("PASKIA_VITE_URL")
     if devmode:
         lines.append(line(f"Dev Frontend:   {devmode}"))
 

paskia/util/vitedev.py

@@ -1,39 +1,29 @@
 """Vite dev server proxy for fetching frontend files during development.
 
-In dev mode (FASTAPI_VUE_FRONTEND_URL set), fetches files from Vite.
+In dev mode (PASKIA_VITE_URL set), fetches files from Vite.
 In production, reads from the static build directory.
 
 This complements fastapi_vue.Frontend which handles static file serving
 but doesn't provide server-side fetching of HTML content.
 """
 
-import asyncio
 import mimetypes
 import os
 from importlib import resources
 from pathlib import Path
 
 import httpx
+from fastapi import Response
 
-__all__ = ["read"]
-
-
-def _get_dev_server() -> str | None:
-    """Get the dev server URL from environment, or None if not in dev mode."""
-    return os.environ.get("FASTAPI_VUE_FRONTEND_URL") or None
+__all__ = ["handle"]
 
 
 def _resolve_static_dir() -> Path:
-    """Resolve the static files directory."""
-
     # Try packaged path via importlib.resources (works for wheel/installed).
-    try:  # pragma: no cover - trivial path resolution
-        pkg_dir = resources.files("paskia") / "frontend-build"
-        fs_path = Path(str(pkg_dir))
-        if fs_path.is_dir():
-            return fs_path
-    except Exception:  # pragma: no cover - defensive
-        pass
+    pkg_dir = resources.files("paskia") / "frontend-build"
+    fs_path = Path(str(pkg_dir))
+    if fs_path.is_dir():
+        return fs_path
     # Fallback for editable/development before build.
     return Path(__file__).parent.parent / "frontend-build"
 
@@ -41,31 +31,36 @@ def _resolve_static_dir() -> Path:
 _static_dir: Path = _resolve_static_dir()
 
 
-async def read(filepath: str) -> tuple[bytes, int, dict[str, str]]:
-    """Read file content and return response tuple.
+async def handle(request, frontend, filepath: str):
+    """Read file content and return Response.
 
     In dev mode, fetches from the Vite dev server.
-    In production, reads from the static build directory.
+    In production, uses frontend.handle.
 
     Args:
+        request: The FastAPI Request object
+        frontend: The fastapi_vue.Frontend instance
         filepath: Path relative to frontend root, e.g. "/auth/index.html"
 
     Returns:
-        Tuple of (content, status_code, headers) suitable for
-        FastAPI Response(*args).
+        FastAPI Response object.
     """
-    dev_server = _get_dev_server()
-    if dev_server:
+    if dev_server := os.environ.get("PASKIA_VITE_URL"):
         async with httpx.AsyncClient() as client:
             resp = await client.get(f"{dev_server}{filepath}")
             resp.raise_for_status()
             mime = resp.headers.get("content-type", "application/octet-stream")
             # Strip charset suffix if present
             mime = mime.split(";")[0].strip()
-            return resp.content, resp.status_code, {"content-type": mime}
-    else:
-        # Production: read from static build
-        file_path = _static_dir / filepath.lstrip("/")
-        content = await asyncio.to_thread(file_path.read_bytes)
-        mime, _ = mimetypes.guess_type(str(file_path))
-        return content, 200, {"content-type": mime or "application/octet-stream"}
+            return Response(resp.content, resp.status_code, {"content-type": mime})
+
+    # Read from frontend cache directly to bypass any compression/processing
+    cached_content = getattr(frontend, "_files", {}).get(filepath)
+    if cached_content is not None:
+        mime, _ = mimetypes.guess_type(filepath)
+        return Response(
+            cached_content, 200, {"content-type": mime or "application/octet-stream"}
+        )
+
+    # Fallback to frontend.handle for cache negotiation
+    return frontend.handle(request, filepath)