Finalize Paskia integration and built-in authentication.

Implement Admin Settings dialog for user management and toggling the public server flag, not needing CLI for maintenance anymore.

.gitignore

@@ -1,7 +1,8 @@
 .*
+*.lock
 !.gitignore
 __pycache__/
 *.egg-info/
 /cista/_version.py
-/cista/wwwroot/*
+/cista/frontend-build/
 /dist

README.md

@@ -1,78 +1,123 @@
-# Web File Storage
-
-The Python package installs a `cista` executable. Use `hatch shell` to initiate and install in a virtual environment, or `pip install` it on your system. Alternatively `hatch run cista` may be used to skip the shell step but stay virtual. `pip install hatch` first if needed.
-
-Create your user account:
-
-```sh
-cista --user admin --privileged
-```
-
-## Running the server
-
-Serve your files on localhost:8000:
-
-```sh
-cista -l :8000 /path/to/files
-```
-
-The Git repository does not contain a frontend build, so you should first do that...
-
-## Build frontend
-
-Frontend needs to be built before using and after any frontend changes:
-
-```sh
-cd frontend
-npm install
-npm run build
-```
-
-This will place the front in `cista/wwwroot` from where the backend server delivers it, and that also gets included in the Python package built via `hatch build`.
-
-## Development setup
-
-For rapid turnaround during development, you should run `npm run dev` Vite development server on the Vue frontend. While that is running, start the backend on another terminal `hatch run cista --dev -l :8000` and connect to the frontend.
-
-The backend and the frontend will each reload automatically at any code or config changes.
-
-## System deployment
-
-Clone the repository to `/srv/cista/cista-storage` or other suitable location accessible to the storage user account you plan to use. `sudo -u storage -s` and build the frontend if you hadn't already.
-
-Create **/etc/systemd/system/cista@.service**:
-
-```ini
-[Unit]
-Description=Cista storage %i
-
-[Service]
-User=storage
-WorkingDirectory=/srv/cista/cista-storage
-ExecStart=hatch run cista -c /srv/cista/%i -l /srv/cista/%i/socket /media/storage/@%i/
-TimeoutStopSec=2
-Restart=always
-
-[Install]
-WantedBy=multi-user.target
-```
-
-This assumes you may want to run multiple separate storages, each having their files under `/media/storage/<domain>` and configuration under `/srv/cista/<domain>/`. Instead of numeric ports, we use UNIX sockets for convenience.
-
-```sh
-systemctl daemon-reload
-systemctl enable --now cista@foo.example.com
-systemctl enable --now cista@bar.example.com
-```
-
-Exposing this publicly online is the most convenient using the [Caddy](https://caddyserver.com/) web server but you can of course use Nginx or others as well. Or even run the server with `-l domain.example.com` given TLS certificates in the config folder.
-
-**/etc/caddy/Caddyfile**:
-
-```Caddyfile
-foo.example.com, bar.example.com {
-    reverse_proxy unix//srv/cista/{host}/socket
-}
-```
-
-Using the `{host}` placeholder we can just put all the domains on the same block. That's the full server configuration you need. `systemctl enable --now caddy` or `systemctl restart caddy` for the config to take effect.
+# Cista Web Storage
+
+<img src="https://git.zi.fi/Vasanko/cista-storage/raw/branch/main/docs/cista.webp" align=left width=250>
+
+Cista takes its name from the ancient *cistae*, metal containers used by Greeks and Egyptians to safeguard valuable items. This modern application provides a browser interface for secure and accessible file storage, echoing the trust and reliability of its historical namesake.
+
+This is a cutting-edge **file and document server** designed for speed, efficiency, and unparalleled ease of use. Experience **lightning-fast browsing**, thanks to the file list maintained directly in your browser and updated from server filesystem events, coupled with our highly optimized code. Fully **keyboard-navigable** and with a responsive layout, Cista flawlessly adapts to your devices, providing a seamless experience wherever you are. Our powerful **instant search** means you're always just a few keystrokes away from finding exactly what you need. Press **1/2/3** to switch ordering, navigate with all four arrow keys (+Shift to select). Or click your way around on **breadcrumbs that remember where you were**.
+
+**Built-in document and media previews** let you quickly view files without downloading them. Cista shows PDF and other documents, video and image thumbnails, with **HDR10 support** video previews and image formats, including HEIC and AVIF. It also has a player for music and video files.
+
+The Cista project started as an inevitable remake of [Droppy](https://github.com/droppyjs/droppy) which we used and loved despite its numerous bugs. Cista Storage stands out in handling even the most exotic filenames, ensuring a smooth experience where others falter.
+
+All of this is wrapped in an intuitive interface with automatic light and dark themes, making Cista Storage the ideal choice for anyone seeking a reliable, versatile, and quick file storage solution. Quickly setup your own Cista where your files are just a click away, safe, and always accessible.
+
+Experience Cista by visiting [Cista Demo](https://drop.zi.fi) for a test run and perhaps upload something...
+
+
+## Getting Started
+### Running the Server
+
+We recommend using [UV](https://docs.astral.sh/uv/getting-started/installation/) to directly run Cista:
+
+Create an account: (otherwise the server is public for all)
+```fish
+uvx cista --user yourname --privileged
+```
+
+Serve your files at http://localhost:8000:
+```fish
+uvx cista -l :8000 /path/to/files
+```
+
+Alternatively, you can install with `pip` or `uv pip`. This enables using the `cista` command directly without `uvx` or `uv run`.
+
+```fish
+pip install cista --break-system-packages
+```
+
+The server remembers its settings in the config folder (default `~/.local/share/cista/`), including the listen port and directory, for future runs without arguments.
+
+### Internet Access
+
+Most admins find the [Caddy](https://caddyserver.com/) web server convenient for its auto TLS certificates and all. A proxy also allows running multiple web services or Cista instances on the same IP address but different (sub)domains.
+
+`/etc/caddy/Caddyfile`:
+
+```Caddyfile
+cista.example.com {
+    reverse_proxy :8000
+}
+```
+
+Nxing or other proxy may be similarly used, or alternatively you can place cert and key in cista config dir and run `cista -l cista.example.com`
+
+## System Deployment
+
+This setup allows easy addition of storages, each with its own domain, configuration, and files.
+
+Assuming a restricted user account `storage` for serving files and that UV is installed system-wide or on this account. Only UV is required: this does not use git or bun/npm.
+
+Create `/etc/systemd/system/cista@.service`:
+
+```ini
+[Unit]
+Description=Cista storage %i
+
+[Service]
+User=storage
+ExecStart=uvx cista -c /srv/cista/%i -l /srv/cista/%i/socket /media/storage/%i
+Restart=always
+
+[Install]
+WantedBy=multi-user.target
+```
+
+This setup supports multiple storages, each under `/media/storage/<domain>` for files and `/srv/cista/<domain>/` for configuration. UNIX sockets are used instead of numeric ports for convenience.
+
+```fish
+systemctl daemon-reload
+systemctl enable --now cista@foo.example.com
+systemctl enable --now cista@bar.example.com
+```
+
+Public exposure is easiest using the Caddy web server.
+
+`/etc/caddy/Caddyfile`:
+
+```Caddyfile
+foo.example.com, bar.example.com {
+    reverse_proxy unix//srv/cista/{host}/socket
+}
+```
+
+## Development setup
+
+For rapid development, we use the Vite development server for the Vue frontend, while running the backend on port 8000 that Vite proxies backend requests to. Each server live reloads whenever its code or configuration are modified.
+
+Make sure you have git, uv and bun (or npm) installed.
+
+Backend (Python) – setup and run:
+
+```fish
+git clone https://git.zi.fi/Vasanko/cista-storage.git
+cd cista-storage
+uv sync --dev
+uv run cista --dev -l :8000 /path/to/files
+```
+
+Frontend (Vue/Vite) – run the dev server in another terminal:
+
+```fish
+cd frontend
+bun install
+bun run dev
+```
+
+Building the package for release (frontend + Python wheel/sdist):
+
+```fish
+uv build
+```
+
+Vue is used to build files in `cista/wwwroot`, included prebuilt in the Python package. `uv build` runs the project build hooks to bundle the frontend and produce a NodeJS-independent Python package.

cista/__main__.py

@@ -1,3 +1,4 @@
+import os
 import sys
 from pathlib import Path
 
@@ -9,8 +10,24 @@ from cista.util import pwgen
 
 del app, server80.app  # Only import needed, for Sanic multiprocessing
 
-doc = f"""Cista {cista.__version__} - A file storage for the web.
 
+def create_banner():
+    """Create a framed banner with the Cista version."""
+    title = f"Cista {cista.__version__}"
+    subtitle = "A file storage for the web"
+    width = max(len(title), len(subtitle)) + 4
+
+    return f"""\
+╭{"─" * width}╮
+│{title:^{width}}│
+│{subtitle:^{width}}│
+╰{"─" * width}╯
+"""
+
+
+banner = create_banner()
+
+doc = """\
 Usage:
   cista [-c <confdir>] [-l <host>] [--import-droppy] [--dev] [<path>]
   cista [-c <confdir>] --user <name> [--privileged] [--password]
@@ -25,13 +42,25 @@ Options:
   --import-droppy   Import Droppy config from ~/.droppy/config
   --dev             Developer mode (reloads, friendlier crashes, more logs)
 
-Listen address, path and imported options are preserved in config, and only
-custom config dir and dev mode need to be specified on subsequent runs.
+Listen address and path are preserved in config,
+and only config dir and dev mode need to be specified on subsequent runs.
 
 User management:
   --user NAME       Create or modify user
   --privileged      Give the user full admin rights
   --password        Reset password
+
+Environment:
+  PASKIA_BACKEND_URL   Paskia single sign-on (e.g. http://localhost:4401)
+                       https://git.zi.fi/leovasanko/paskia
+"""
+
+first_time_help = """\
+No config file found! Get started with:
+  cista --user yourname --privileged     # If you want user accounts
+  cista -l :8000 /path/to/files          # Run the server on localhost:8000
+
+See cista --help for other options!
 """
 
 
@@ -43,11 +72,19 @@ def main():
     try:
         return _main()
     except Exception as e:
-        print("Error:", e)
+        sys.stderr.write(f"Error: {e}\n")
         return 1
 
 
 def _main():
+    # The banner printing differs by mode, and needs to be done before docopt() printing its messages
+    if any(arg in sys.argv for arg in ("--help", "-h")):
+        sys.stdout.write(banner)
+    elif "--version" in sys.argv:
+        sys.stdout.write(f"cista {cista.__version__}\n")
+        return 0
+    else:
+        sys.stderr.write(banner)
     args = docopt(doc)
     if args["--user"]:
         return _user(args)
@@ -62,13 +99,10 @@ def _main():
     _confdir(args)
     exists = config.conffile.exists()
     import_droppy = args["--import-droppy"]
-    necessary_opts = exists or import_droppy or path and listen
+    necessary_opts = exists or import_droppy or path
     if not necessary_opts:
         # Maybe run without arguments
-        print(doc)
-        print(
-            "No config file found! Get started with:\n  cista -l :8000 /path/to/files, or\n  cista -l example.com --import-droppy  # Uses Droppy files\n",
-        )
+        sys.stderr.write(first_time_help)
         return 1
     settings = {}
     if import_droppy:
@@ -77,12 +111,17 @@ def _main():
                 f"Importing Droppy: First remove the existing configuration:\n  rm {config.conffile}",
             )
         settings = droppy.readconf()
+        # Droppy's public flag is kept as-is (same name in our config)
     if path:
         settings["path"] = path
+    elif not exists:
+        settings["path"] = Path.home() / "Downloads"
     if listen:
         settings["listen"] = listen
+    elif not exists:
+        settings["listen"] = ":8000"
     operation = config.update_config(settings)
-    print(f"Config {operation}: {config.conffile}")
+    sys.stderr.write(f"Config {operation}: {config.conffile}\n")
     # Prepare to serve
     unix = None
     url, _ = serve.parse_listen(config.config.listen)
@@ -92,7 +131,7 @@ def _main():
     dev = args["--dev"]
     if dev:
         extra += " (dev mode)"
-    print(f"Serving {config.config.path} at {url}{extra}")
+    sys.stderr.write(f"Serving {config.config.path} at {url}{extra}\n")
     # Run the server
     serve.run(dev=dev)
     return 0
@@ -107,16 +146,29 @@ def _confdir(args):
                 raise ValueError("Config path is not a directory")
             # Accidentally pointed to the db.toml, use parent
             confdir = confdir.parent
-        config.conffile = confdir / config.conffile.name
+        os.environ["CISTA_HOME"] = confdir.as_posix()
+    config.init_confdir()  # Uses environ if available
 
 
 def _user(args):
     _confdir(args)
-    config.load_config()
+    if config.conffile.exists():
+        config.load_config()
+        operation = False
+    else:
+        # Defaults for new config when user is created
+        operation = config.update_config(
+            {
+                "listen": ":8000",
+                "path": Path.home() / "Downloads",
+                "public": False,
+            }
+        )
+        sys.stderr.write(f"Config {operation}: {config.conffile}\n\n")
+
     name = args["--user"]
     if not name or not name.isidentifier():
         raise ValueError("Invalid username")
-    config.load_config()
     u = config.config.users.get(name)
     info = f"User {name}" if u else f"New user {name}"
     changes = {}
@@ -128,11 +180,16 @@ def _user(args):
         info += " (admin)" if oldadmin else ""
     if args["--password"] or not u:
         changes["password"] = pw = pwgen.generate()
-        info += f"\n  Password: {pw}"
-    res = config.update_user(args["--user"], changes)
-    print(info)
+        info += f"\n  Password: {pw}\n"
+    res = config.update_user(name, changes)
+    sys.stderr.write(f"{info}\n")
     if res == "read":
-        print("  No changes")
+        sys.stderr.write("  No changes\n")
+
+    if operation == "created":
+        sys.stderr.write(
+            "Now you can run the server:\n  cista    # defaults set: -l :8000 ~/Downloads\n"
+        )
 
 
 if __name__ == "__main__":

cista/api.py

@@ -3,9 +3,10 @@ import typing
 from secrets import token_bytes
 
 import msgspec
-from sanic import Blueprint
+from sanic import Blueprint, json
+from sanic.exceptions import BadRequest
 
-from cista import __version__, config, watching
+from cista import __version__, auth, config, sso, watching
 from cista.fileio import FileServer
 from cista.protocol import ControlTypes, FileRange, StatusMsg
 from cista.util.apphelpers import asend, websocket_wrapper
@@ -15,12 +16,12 @@ fileserver = FileServer()
 
 
 @bp.before_server_start
-async def start_fileserver(app, _):
+async def start_fileserver(app):
     await fileserver.start()
 
 
 @bp.after_server_stop
-async def stop_fileserver(app, _):
+async def stop_fileserver(app):
     await fileserver.stop()
 
 
@@ -92,6 +93,23 @@ async def control(req, ws):
 @bp.websocket("watch")
 @websocket_wrapper
 async def watch(req, ws):
+    # Build user info from either built-in auth or SSO
+    user_info = None
+    if sso_user := getattr(req.ctx, "sso_user", None):
+        # SSO auth (paskia mode): extract from validation response
+        ctx = sso_user.get("ctx", {})
+        perms = ctx.get("permissions", [])
+        user_info = {
+            "username": ctx.get("user", {}).get("display_name", ""),
+            "privileged": "cista:admin" in perms,
+        }
+    elif req.ctx.user:
+        # Built-in auth: use local user database
+        user_info = {
+            "username": req.ctx.username,
+            "privileged": req.ctx.user.privileged,
+        }
+
     await ws.send(
         msgspec.json.encode(
             {
@@ -99,25 +117,51 @@ async def watch(req, ws):
                     "name": config.config.name or config.config.path.name,
                     "version": __version__,
                     "public": config.config.public,
+                    "paskia": sso.paskia_enabled(),
                 },
-                "user": {
-                    "username": req.ctx.username,
-                    "privileged": req.ctx.user.privileged,
-                }
-                if req.ctx.user
-                else None,
+                "user": user_info,
             }
         ).decode()
     )
     uuid = token_bytes(16)
     try:
-        with watching.state.lock:
-            q = watching.pubsub[uuid] = asyncio.Queue()
-            # Init with disk usage and full tree
-            await ws.send(watching.format_space(watching.state.space))
-            await ws.send(watching.format_root(watching.state.root))
+        q, space, root = await asyncio.get_event_loop().run_in_executor(
+            req.app.ctx.threadexec, subscribe, uuid, ws
+        )
+        await ws.send(space)
+        await ws.send(root)
         # Send updates
         while True:
             await ws.send(await q.get())
+    except RuntimeError as e:
+        if str(e) == "cannot schedule new futures after shutdown":
+            return  # Server shutting down, drop the WebSocket
+        raise
     finally:
-        del watching.pubsub[uuid]
+        watching.pubsub.pop(uuid, None)  # Remove whether it got added yet or not
+
+
+def subscribe(uuid, ws):
+    with watching.state.lock:
+        q = watching.pubsub[uuid] = asyncio.Queue()
+        # Init with disk usage and full tree
+        return (
+            q,
+            watching.format_space(watching.state.space),
+            watching.format_root(watching.state.root),
+        )
+
+
+@bp.put("config/public")
+async def update_public(request):
+    await auth.verify(request, privileged=True)
+    try:
+        public = request.json["public"]
+        if not isinstance(public, bool):
+            raise ValueError("public must be a boolean")
+    except KeyError:
+        raise BadRequest("Missing public field") from None
+    except ValueError as e:
+        raise BadRequest(str(e)) from None
+    config.update_config({"public": public})
+    return json({"message": "Public access setting updated", "public": public})

cista/app.py

@@ -1,21 +1,24 @@
 import asyncio
 import datetime
 import mimetypes
+import threading
 from concurrent.futures import ThreadPoolExecutor
+from multiprocessing import cpu_count
 from pathlib import Path, PurePath, PurePosixPath
 from stat import S_IFDIR, S_IFREG
 from urllib.parse import unquote
 from wsgiref.handlers import format_date_time
 
-import brotli
 import sanic.helpers
 from blake3 import blake3
-from sanic import Blueprint, Sanic, empty, raw
-from sanic.exceptions import Forbidden, NotFound, ServerError
-from sanic.log import logging
+from sanic import Blueprint, Sanic, empty, raw, redirect
+from sanic.exceptions import Forbidden, NotFound
+from sanic.log import logger
+from setproctitle import setproctitle
 from stream_zip import ZIP_AUTO, stream_zip
+from zstandard import ZstdCompressor
 
-from cista import auth, config, session, watching
+from cista import auth, config, preview, session, sso, watching
 from cista.api import bp
 from cista.util.apphelpers import handle_sanic_exception
 
@@ -23,24 +26,38 @@ from cista.util.apphelpers import handle_sanic_exception
 sanic.helpers._ENTITY_HEADERS = frozenset()
 
 app = Sanic("cista", strict_slashes=True)
-app.blueprint(auth.bp)
+# Register either SSO proxy or built-in auth routes based on PASKIA_BACKEND_URL
+if sso.paskia_enabled():
+    app.blueprint(sso.bp)  # SSO proxy for /auth/* routes
+else:
+    app.blueprint(auth.bp)  # Built-in auth routes
+app.blueprint(preview.bp)
 app.blueprint(bp)
 app.exception(Exception)(handle_sanic_exception)
 
 
+setproctitle("cista-main")
+
+
 @app.before_server_start
-async def main_start(app, loop):
+async def main_start(app):
     config.load_config()
-    await watching.start(app, loop)
+    setproctitle(f"cista {config.config.path.name}")
+    workers = max(2, min(8, cpu_count()))
     app.ctx.threadexec = ThreadPoolExecutor(
-        max_workers=8, thread_name_prefix="cista-ioworker"
+        max_workers=workers, thread_name_prefix="cista-ioworker"
     )
+    watching.start(app)
 
 
-@app.after_server_stop
-async def main_stop(app, loop):
-    await watching.stop(app, loop)
+# Sanic sometimes fails to execute after_server_stop, so we do it before instead (potentially interrupting handlers)
+@app.before_server_stop
+async def main_stop(app):
+    quit.set()
+    watching.stop(app)
     app.ctx.threadexec.shutdown()
+    await sso.close_client()
+    logger.debug("Cista worker threads all finished")
 
 
 @app.on_request
@@ -62,10 +79,23 @@ async def use_session(req):
         raise Forbidden("Invalid origin: Cross-Site requests not permitted")
 
 
+@app.on_response
+async def forward_sso_cookies(req, res):
+    """Forward Set-Cookie headers from SSO validation to client."""
+    if cookies := getattr(req.ctx, "sso_cookies", None):
+        for cookie in cookies:
+            res.headers.add("set-cookie", cookie)
+
+
 @app.before_server_start
-def http_fileserver(app, _):
+def http_fileserver(app):
     bp = Blueprint("fileserver")
-    bp.on_request(auth.verify)
+
+    @bp.on_request
+    async def verify_fileserver(request):
+        """Verify access to file server routes."""
+        await auth.verify(request)
+
     bp.static(
         "/files/",
         config.config.path,
@@ -81,8 +111,9 @@ www = {}
 
 def _load_wwwroot(www):
     wwwnew = {}
-    base = Path(__file__).with_name("wwwroot")
+    base = Path(__file__).with_name("frontend-build")
     paths = [PurePath()]
+    zstd = ZstdCompressor(level=18)
     while paths:
         path = paths.pop(0)
         current = base / path
@@ -114,16 +145,25 @@ def _load_wwwroot(www):
                 else "no-cache",
                 "content-type": mime,
             }
-            # Precompress with Brotli
-            br = brotli.compress(data)
-            if len(br) >= len(data):
-                br = False
-            wwwnew[name] = data, br, headers
+            # Precompress with ZSTD
+            zs = zstd.compress(data)
+            if len(zs) >= len(data):
+                zs = False
+            wwwnew[name] = data, zs, headers
     if not wwwnew:
-        raise ServerError(
-            "Web frontend missing. Did you forget npm run build?",
-            extra={"wwwroot": str(base)},
-            quiet=True,
+        msg = f"Web frontend missing from {base}\n  Did you forget: hatch build\n"
+        if not www:
+            logger.warning(msg)
+        if not app.debug:
+            msg = "Web frontend missing. Cista installation is broken.\n"
+        wwwnew[""] = (
+            msg.encode(),
+            False,
+            {
+                "etag": "error",
+                "content-type": "text/plain",
+                "cache-control": "no-store",
+            },
         )
     return wwwnew
 
@@ -132,7 +172,7 @@ def _load_wwwroot(www):
 async def start(app):
     await load_wwwroot(app)
     if app.debug:
-        app.add_task(refresh_wwwroot())
+        app.add_task(refresh_wwwroot(), name="refresh_wwwroot")
 
 
 async def load_wwwroot(app):
@@ -142,27 +182,31 @@ async def load_wwwroot(app):
     )
 
 
+quit = threading.Event()
+
+
 async def refresh_wwwroot():
-    while True:
-        await asyncio.sleep(0.5)
-        try:
-            wwwold = www
-            await load_wwwroot(app)
-            changes = ""
-            for name in sorted(www):
-                attr = www[name]
-                if wwwold.get(name) == attr:
-                    continue
-                headers = attr[2]
-                changes += f"{headers['last-modified']} {headers['etag']} /{name}\n"
-            for name in sorted(set(wwwold) - set(www)):
-                changes += f"Deleted /{name}\n"
-            if changes:
-                print(f"Updated wwwroot:\n{changes}", end="", flush=True)
-        except Exception as e:
-            print("Error loading wwwroot", e)
-        if not app.debug:
-            return
+    try:
+        while not quit.is_set():
+            try:
+                wwwold = www
+                await load_wwwroot(app)
+                changes = ""
+                for name in sorted(www):
+                    attr = www[name]
+                    if wwwold.get(name) == attr:
+                        continue
+                    headers = attr[2]
+                    changes += f"{headers['last-modified']} {headers['etag']} /{name}\n"
+                for name in sorted(set(wwwold) - set(www)):
+                    changes += f"Deleted /{name}\n"
+                if changes:
+                    logger.info(f"Updated wwwroot:\n{changes}", end="", flush=True)
+            except Exception as e:
+                logger.error(f"Error loading wwwroot: {e!r}")
+            await asyncio.sleep(0.5)
+    except asyncio.CancelledError:
+        pass
 
 
 @app.route("/<path:path>", methods=["GET", "HEAD"])
@@ -171,17 +215,23 @@ async def wwwroot(req, path=""):
     name = unquote(path)
     if name not in www:
         raise NotFound(f"File not found: /{path}", extra={"name": name})
-    data, br, headers = www[name]
+    data, zs, headers = www[name]
     if req.headers.if_none_match == headers["etag"]:
         # The client has it cached, respond 304 Not Modified
         return empty(304, headers=headers)
-    # Brotli compressed?
-    if br and "br" in req.headers.accept_encoding.split(", "):
-        headers = {**headers, "content-encoding": "br"}
-        data = br
+    # Zstandard compressed?
+    if zs and "zstd" in req.headers.accept_encoding.split(", "):
+        headers = {**headers, "content-encoding": "zstd"}
+        data = zs
     return raw(data, headers=headers)
 
 
+@app.route("/favicon.ico", methods=["GET", "HEAD"])
+async def favicon(req):
+    # Browsers keep asking for it when viewing files (not HTML with icon link)
+    return redirect("/assets/logo-ctv8tVwU.svg", status=308)
+
+
 def get_files(wanted: set) -> list[tuple[PurePosixPath, Path]]:
     loc = PurePosixPath()
     idx = 0
@@ -207,6 +257,10 @@ def get_files(wanted: set) -> list[tuple[PurePosixPath, Path]]:
 @app.get("/zip/<keys>/<zipfile:ext=zip>")
 async def zip_download(req, keys, zipfile, ext):
     """Download a zip archive of the given keys"""
+    if config.config.authentication == "paskia":
+        await auth.verify_sso(req)
+    else:
+        auth.verify(req)
 
     wanted = set(keys.split("+"))
     files = get_files(wanted)
@@ -242,7 +296,7 @@ async def zip_download(req, keys, zipfile, ext):
             for chunk in stream_zip(local_files(files)):
                 asyncio.run_coroutine_threadsafe(queue.put(chunk), loop).result()
         except Exception:
-            logging.exception("Error streaming ZIP")
+            logger.exception("Error streaming ZIP")
             raise
         finally:
             asyncio.run_coroutine_threadsafe(queue.put(None), loop)

cista/auth.py

@@ -10,6 +10,175 @@ from sanic import Blueprint, html, json, redirect
 from sanic.exceptions import BadRequest, Forbidden, Unauthorized
 
 from cista import config, session
+from cista.util import pwgen
+
+_LOGIN_PAGE_CSS = """\
+/* ===========================================
+   LOGIN PAGE STYLES
+   Must match ModalDialog.vue global styles.
+   =========================================== */
+* { box-sizing: border-box; }
+body {
+    font-family: 'Roboto', system-ui, -apple-system, sans-serif;
+    font-size: 1rem;
+    margin: 0;
+    min-height: 100vh;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    background: transparent;
+}
+.login-card {
+    background: #ddd;
+    color: #000;
+    border-radius: 0.5rem;
+    box-shadow: 0 0 1rem #0008;
+    width: 100%;
+    max-width: 320px;
+}
+h1 {
+    background: #146;
+    color: #fff;
+    margin: 0;
+    padding: 0.5rem 1rem;
+    font-size: 1.2rem;
+    font-weight: normal;
+    border-radius: 0.5rem 0.5rem 0 0;
+}
+.content {
+    padding: 1rem;
+}
+.message {
+    color: #444;
+    margin: 0 0 0.5rem 0;
+    font-size: 0.875rem;
+}
+form {
+    display: grid;
+    grid-template-columns: auto 1fr;
+    gap: 0.5rem 1rem;
+    align-items: center;
+}
+label {
+    font-size: 1rem;
+}
+input[type="text"],
+input[type="password"] {
+    font: inherit;
+    font-size: 1rem;
+    padding: 0.5rem;
+    border: 2px solid #888;
+    border-radius: 0.25rem;
+    background: #fff;
+    color: #000;
+    min-width: 0;
+}
+input:focus {
+    outline: none;
+    border-color: #f80;
+}
+.button-row {
+    grid-column: 1 / -1;
+    display: flex;
+    justify-content: flex-end;
+    margin-top: 0.5rem;
+}
+button {
+    font: inherit;
+    font-size: 1rem;
+    padding: 0.5rem 1rem;
+    background: #146;
+    color: #fff;
+    border: none;
+    border-radius: 0.25rem;
+    cursor: pointer;
+}
+button:hover { background: #f80; }
+button:disabled {
+    background: #888;
+    cursor: not-allowed;
+}
+.error {
+    grid-column: 1 / -1;
+    color: #c00;
+    font-size: 0.875rem;
+    min-height: 1.2em;
+    margin: 0;
+}
+"""
+
+_LOGIN_PAGE_JS = """\
+const form = document.getElementById('loginForm');
+const error = document.getElementById('error');
+const submitBtn = document.getElementById('submitBtn');
+const usernameField = document.getElementById('username');
+const passwordField = document.getElementById('password');
+const isInIframe = window.parent !== window;
+
+// Focus username field on load
+usernameField.focus();
+
+const showError = (msg) => {
+    error.textContent = msg;
+    submitBtn.disabled = false;
+    submitBtn.textContent = 'Log in';
+    // Focus and select the relevant field
+    if (msg.toLowerCase().includes('password')) {
+        passwordField.focus();
+        passwordField.select();
+    } else {
+        usernameField.focus();
+        usernameField.select();
+    }
+};
+
+form.onsubmit = async (e) => {
+    e.preventDefault();
+    error.textContent = '';
+    submitBtn.disabled = true;
+    submitBtn.textContent = 'Logging in...';
+
+    try {
+        const res = await fetch('/auth/login', {
+            method: 'POST',
+            headers: {
+                'Content-Type': 'application/json',
+                'Accept': 'application/json'
+            },
+            body: JSON.stringify({
+                username: usernameField.value,
+                password: passwordField.value
+            })
+        });
+
+        if (res.ok) {
+            if (isInIframe) {
+                window.parent.postMessage({type: 'auth-success'}, '*');
+            } else {
+                window.location.href = '/';
+            }
+        } else {
+            const data = await res.json();
+            showError(data.message || data.detail || 'Login failed');
+        }
+    } catch (err) {
+        showError('Connection error. Please try again.');
+    }
+};
+"""
+
+# Import for SSO validation (lazily loaded to avoid circular imports)
+_sso_module = None
+
+
+def _get_sso():
+    global _sso_module
+    if _sso_module is None:
+        from cista import sso
+
+        _sso_module = sso
+    return _sso_module
+
 
 _argon = argon2.PasswordHasher()
 _droppyhash = re.compile(r"^([a-f0-9]{64})\$([a-f0-9]{8})$")
@@ -62,62 +231,109 @@ class LoginResponse(msgspec.Struct):
     error: str = ""
 
 
-def verify(request, *, privileged=False):
-    """Raise Unauthorized or Forbidden if the request is not authorized"""
-    if privileged:
-        if request.ctx.user:
-            if request.ctx.user.privileged:
-                return
-            raise Forbidden("Access Forbidden: Only for privileged users", quiet=True)
-    elif config.config.public or request.ctx.user:
+async def verify(request, *, privileged=False):
+    """Verify that the request is authorized.
+
+    For paskia mode (PASKIA_BACKEND_URL set), validates against the SSO backend.
+    For built-in mode, checks session-based authentication.
+    For public mode (config.public=True), allows all requests.
+
+    All 401/403 responses include auth.iframe URL for consistent frontend handling
+    via the paskia library's showAuthIframe().
+
+    Args:
+        request: The Sanic request object
+        privileged: If True, requires admin privileges
+
+    Raises:
+        Unauthorized: If authentication is required
+        Forbidden: If access is denied
+    """
+    sso = _get_sso()
+    if sso.paskia_enabled():
+        # SSO validation against auth backend
+        # Always check cista:login; privileged flag comes from response perm list
+        perm = "cista:admin" if privileged else "cista:login"
+        await sso.validate_sso_request(request, perm=perm)
         return
-    raise Unauthorized("Login required", "cookie", quiet=True)
+
+    user = getattr(request.ctx, "user", None)
+    if privileged:
+        if user:
+            if user.privileged:
+                return
+            raise Forbidden(
+                "Access Forbidden: Only for privileged users",
+                quiet=True,
+            )
+    elif config.config.public or user:
+        return
+    # Return iframe URL for paskia library to show login dialog
+    raise Unauthorized(
+        f"Login required for {request.path}",
+        "cookie",
+        context={"auth": {"iframe": "/auth/restricted"}},
+        quiet=True,
+    )
 
 
-bp = Blueprint("auth")
+# Blueprint for built-in auth (only registered when paskia is NOT enabled)
+bp = Blueprint("auth", url_prefix="/auth")
 
 
-@bp.get("/login")
+@bp.get("/restricted")
 async def login_page(request):
-    doc = Document("Cista Login")
-    with doc.div(id="login"):
-        with doc.form(method="POST", autocomplete="on"):
-            doc.h1("Login")
-            doc.input(
-                name="username",
-                placeholder="Username",
-                autocomplete="username",
-                required=True,
-            ).br
-            doc.input(
-                type="password",
-                name="password",
-                placeholder="Password",
-                autocomplete="current-password",
-                required=True,
-            ).br
-            doc.input(type="submit", value="Login")
-        s = session.get(request)
-        if s:
-            name = s["username"]
-            with doc.form(method="POST", action="/logout"):
-                doc.input(type="submit", value=f"Logout {name}")
-    flash = request.cookies.message
-    if flash:
-        doc.dialog(
-            flash,
-            id="flash",
-            open=True,
-            style="position: fixed; top: 0; left: 0; width: 100%; opacity: .8",
-        )
+    """Login page that works both standalone and in paskia iframe."""
+    s = session.get(request)
+
+    # Check if already logged in
+    if s:
+        # Already authenticated - signal success if in iframe
+        return html(_login_success_page(s["username"]))
+
+    doc = Document("Cista - Login")
+    # Add paskia-compatible styling and scripts
+    doc.style(_LOGIN_PAGE_CSS)
+    with doc.div(class_="login-card"):
+        doc.h1("Authentication Required")
+        with doc.div(class_="content"):
+            with doc.form(method="POST", id="loginForm", autocomplete="on"):
+                doc.label("Username:", for_="username")
+                doc.input(
+                    type="text",
+                    id="username",
+                    name="username",
+                    autocomplete="username webauthn",
+                    required=True,
+                )
+                doc.label("Password:", for_="password")
+                doc.input(
+                    type="password",
+                    id="password",
+                    name="password",
+                    autocomplete="current-password webauthn",
+                    required=True,
+                )
+                with doc.div(class_="button-row"):
+                    doc.button("Log in", type="submit", id="submitBtn")
+                doc.p("", class_="error", id="error")
+
+    # JavaScript for AJAX login and postMessage communication
+    doc.script_(_LOGIN_PAGE_JS)
+
     res = html(doc)
-    if flash:
-        res.cookies.delete_cookie("flash")
     if s is False:
         session.delete(res)
     return res
 
 
+def _login_success_page(username: str) -> str:
+    """Minimal page that signals auth-success to parent iframe."""
+    return str(
+        Document().script_("window.parent.postMessage({type:'auth-success'},'*')")
+    )
+
+
 @bp.post("/login")
 async def login_post(request):
     try:
@@ -148,7 +364,7 @@ async def login_post(request):
     return res
 
 
-@bp.post("/logout")
+@bp.post("/api/logout")
 async def logout_post(request):
     s = request.ctx.session
     msg = "Logged out" if s else "Not logged in"
@@ -159,3 +375,124 @@ async def logout_post(request):
         res = json({"message": msg})
     session.delete(res)
     return res
+
+
+@bp.post("/password-change")
+async def change_password(request):
+    try:
+        if request.headers.content_type == "application/json":
+            username = request.json["username"]
+            pwchange = request.json["passwordChange"]
+            password = request.json["password"]
+        else:
+            username = request.form["username"][0]
+            pwchange = request.form["passwordChange"][0]
+            password = request.form["password"][0]
+        if not username or not password:
+            raise KeyError
+    except KeyError:
+        raise BadRequest(
+            "Missing username, passwordChange or password",
+        ) from None
+    try:
+        user = login(username, password)
+        set_password(user, pwchange)
+    except ValueError as e:
+        raise Forbidden(str(e), context={"redirect": "/login"}) from e
+
+    if "text/html" in request.headers.accept:
+        res = redirect("/")
+        session.flash(res, "Password updated")
+    else:
+        res = json({"message": "Password updated"})
+    session.create(res, username)
+    return res
+
+
+@bp.get("/users")
+async def list_users(request):
+    await verify(request, privileged=True)
+    users = []
+    for name, user in config.config.users.items():
+        users.append(
+            {
+                "username": name,
+                "privileged": user.privileged,
+                "lastSeen": user.lastSeen,
+            }
+        )
+    return json({"users": users})
+
+
+@bp.post("/users")
+async def create_user(request):
+    await verify(request, privileged=True)
+    try:
+        if request.headers.content_type == "application/json":
+            username = request.json["username"]
+            password = request.json.get("password")
+            privileged = request.json.get("privileged", False)
+        else:
+            username = request.form["username"][0]
+            password = request.form.get("password", [None])[0]
+            privileged = request.form.get("privileged", ["false"])[0].lower() == "true"
+        if not username or not username.isidentifier():
+            raise ValueError("Invalid username")
+    except (KeyError, ValueError) as e:
+        raise BadRequest(str(e)) from e
+    if username in config.config.users:
+        raise BadRequest("User already exists")
+    if not password:
+        password = pwgen.generate()
+    changes = {"privileged": privileged}
+    changes["hash"] = _argon.hash(_pwnorm(password))
+    try:
+        config.update_user(username, changes)
+    except Exception as e:
+        raise BadRequest(str(e)) from e
+    return json({"message": f"User {username} created", "password": password})
+
+
+@bp.put("/users/<username>")
+async def update_user(request, username):
+    await verify(request, privileged=True)
+    try:
+        if request.headers.content_type == "application/json":
+            changes = request.json
+        else:
+            changes = {}
+            if "password" in request.form:
+                changes["password"] = request.form["password"][0]
+            if "privileged" in request.form:
+                changes["privileged"] = request.form["privileged"][0].lower() == "true"
+    except KeyError as e:
+        raise BadRequest("Missing fields") from e
+    password_response = None
+    if "password" in changes:
+        if changes["password"] == "":
+            changes["password"] = pwgen.generate()
+        password_response = changes["password"]
+        changes["hash"] = _argon.hash(_pwnorm(changes["password"]))
+        del changes["password"]
+    if not changes:
+        return json({"message": "No changes"})
+    try:
+        config.update_user(username, changes)
+    except Exception as e:
+        raise BadRequest(str(e)) from e
+    response = {"message": f"User {username} updated"}
+    if password_response:
+        response["password"] = password_response
+    return json(response)
+
+
+@bp.delete("/users/<username>")
+async def delete_user(request, username):
+    await verify(request, privileged=True)
+    if username not in config.config.users:
+        raise BadRequest("User does not exist")
+    try:
+        config.del_user(username)
+    except Exception as e:
+        raise BadRequest(str(e)) from e
+    return json({"message": f"User {username} deleted"})

cista/config.py

@@ -1,13 +1,17 @@
 from __future__ import annotations
 
+import os
 import secrets
 import sys
+from contextlib import suppress
 from functools import wraps
 from hashlib import sha256
 from pathlib import Path, PurePath
-from time import time
+from time import sleep, time
+from typing import Callable, Concatenate, Literal, ParamSpec
 
 import msgspec
+import msgspec.toml
 
 
 class Config(msgspec.Struct):
@@ -20,6 +24,13 @@ class Config(msgspec.Struct):
     links: dict[str, Link] = {}
 
 
+# Typing: arguments for config-modifying functions
+P = ParamSpec("P")
+ResultStr = Literal["modified", "created", "read"]
+RawModifyFunc = Callable[Concatenate[Config, P], Config]
+ModifyPublic = Callable[P, ResultStr]
+
+
 class User(msgspec.Struct, omit_defaults=True):
     privileged: bool = False
     hash: str = ""
@@ -32,8 +43,24 @@ class Link(msgspec.Struct, omit_defaults=True):
     expires: int = 0
 
 
-config = None
-conffile = Path.home() / ".local/share/cista/db.toml"
+# Global variables - initialized during application startup
+config: Config
+conffile: Path
+
+
+def init_confdir() -> None:
+    global conffile
+    if p := os.environ.get("CISTA_HOME"):
+        home = Path(p)
+    else:
+        xdg = os.environ.get("XDG_CONFIG_HOME")
+        home = (
+            Path(xdg).expanduser() / "cista" if xdg else Path.home() / ".config/cista"
+        )
+    if not home.is_dir():
+        home.mkdir(parents=True, exist_ok=True)
+        home.chmod(0o700)
+    conffile = home / "db.toml"
 
 
 def derived_secret(*params, len=8) -> bytes:
@@ -59,10 +86,10 @@ def dec_hook(typ, obj):
     raise TypeError
 
 
-def config_update(modify):
+def config_update(
+    modify: RawModifyFunc,
+) -> ResultStr | Literal["collision"]:
     global config
-    if not conffile.exists():
-        conffile.parent.mkdir(parents=True, exist_ok=True)
     tmpname = conffile.with_suffix(".tmp")
     try:
         f = tmpname.open("xb")
@@ -76,12 +103,8 @@ def config_update(modify):
             old = conffile.read_bytes()
             c = msgspec.toml.decode(old, type=Config, dec_hook=dec_hook)
         except FileNotFoundError:
-            # No existing config file, make sure we have a folder...
-            confdir = conffile.parent
-            confdir.mkdir(parents=True, exist_ok=True)
-            confdir.chmod(0o700)
             old = b""
-            c = None
+            c = Config(path=Path(), listen="", secret=secrets.token_hex(12))
         c = modify(c)
         new = msgspec.toml.encode(c, enc_hook=enc_hook)
         if old == new:
@@ -92,7 +115,9 @@ def config_update(modify):
         f.write(new)
         f.close()
         if sys.platform == "win32":
-            conffile.unlink()  # Windows doesn't support atomic replace
+            # Windows doesn't support atomic replace
+            with suppress(FileNotFoundError):
+                conffile.unlink()
         tmpname.rename(conffile)  # Atomic replace
     except:
         f.close()
@@ -102,17 +127,23 @@ def config_update(modify):
     return "modified" if old else "created"
 
 
-def modifies_config(modify):
-    """Decorator for functions that modify the config file"""
+def modifies_config(
+    modify: Callable[Concatenate[Config, P], Config],
+) -> Callable[P, ResultStr]:
+    """Decorator for functions that modify the config file
+
+    The decorated function takes as first arg Config and returns it modified.
+    The wrapper handles atomic modification and returns a string indicating the result.
+    """
 
     @wraps(modify)
-    def wrapper(*args, **kwargs):
-        def m(c):
+    def wrapper(*args: P.args, **kwargs: P.kwargs) -> ResultStr:
+        def m(c: Config) -> Config:
             return modify(c, *args, **kwargs)
 
         # Retry modification in case of write collision
         while (c := config_update(m)) == "collision":
-            time.sleep(0.01)
+            sleep(0.01)
         return c
 
     return wrapper
@@ -120,14 +151,23 @@ def modifies_config(modify):
 
 def load_config():
     global config
-    config = msgspec.toml.decode(conffile.read_bytes(), type=Config, dec_hook=dec_hook)
+    init_confdir()
+    raw = conffile.read_bytes()
+    config = msgspec.toml.decode(raw, type=Config, dec_hook=dec_hook)
+    # Migrate from old authentication field if present
+    raw_dict = msgspec.toml.decode(raw)
+    if "authentication" in raw_dict and "public" not in raw_dict:
+        # Old config with authentication mode: migrate to public bool
+        new_public = raw_dict["authentication"] == "none"
+        config = msgspec.structs.replace(config, public=new_public)
+        update_config({})  # Save the migrated config
 
 
 @modifies_config
 def update_config(conf: Config, changes: dict) -> Config:
     """Create/update the config with new values, respecting changes done by others."""
     # Encode into dict, update values with new, convert to Config
-    settings = {} if conf is None else msgspec.to_builtins(conf, enc_hook=enc_hook)
+    settings = msgspec.to_builtins(conf, enc_hook=enc_hook)
     settings.update(changes)
     return msgspec.convert(settings, Config, dec_hook=dec_hook)
 
@@ -137,7 +177,12 @@ def update_user(conf: Config, name: str, changes: dict) -> Config:
     """Create/update a user with new values, respecting changes done by others."""
     # Encode into dict, update values with new, convert to Config
     try:
-        u = conf.users[name].__copy__()
+        # Copy user by converting to dict and back
+        u = msgspec.convert(
+            msgspec.to_builtins(conf.users[name], enc_hook=enc_hook),
+            User,
+            dec_hook=dec_hook,
+        )
     except KeyError:
         u = User()
     if "password" in changes:
@@ -155,6 +200,7 @@ def update_user(conf: Config, name: str, changes: dict) -> Config:
 @modifies_config
 def del_user(conf: Config, name: str) -> Config:
     """Delete named user account."""
-    ret = conf.__copy__()
-    ret.users.pop(name)
-    return ret
+    # Create a copy by converting to dict and back
+    settings = msgspec.to_builtins(conf, enc_hook=enc_hook)
+    settings["users"].pop(name)
+    return msgspec.convert(settings, Config, dec_hook=dec_hook)

cista/preview.py

@@ -0,0 +1,267 @@
+import asyncio
+import gc
+import io
+import mimetypes
+import urllib.parse
+from pathlib import PurePosixPath
+from time import perf_counter
+from urllib.parse import unquote
+from wsgiref.handlers import format_date_time
+
+import av
+import fitz  # PyMuPDF
+import numpy as np
+import pillow_heif
+from PIL import Image
+from sanic import Blueprint, empty, raw, redirect
+from sanic.exceptions import NotFound
+from sanic.log import logger
+
+from cista import auth, config
+from cista.util.filename import sanitize
+
+pillow_heif.register_heif_opener()
+
+bp = Blueprint("preview", url_prefix="/preview")
+
+
+@bp.on_request
+async def verify_preview(request):
+    """Verify access to preview routes."""
+    await auth.verify(request)
+
+
+# Map EXIF Orientation value to a corresponding PIL transpose
+EXIF_ORI = {
+    2: Image.Transpose.FLIP_LEFT_RIGHT,
+    3: Image.Transpose.ROTATE_180,
+    4: Image.Transpose.FLIP_TOP_BOTTOM,
+    5: Image.Transpose.TRANSPOSE,
+    6: Image.Transpose.ROTATE_270,
+    7: Image.Transpose.TRANSVERSE,
+    8: Image.Transpose.ROTATE_90,
+}
+
+
+@bp.get("/<path:path>")
+async def preview(req, path):
+    """Preview a file"""
+    maxsize = int(req.args.get("px", 1024))
+    maxzoom = float(req.args.get("zoom", 2.0))
+    quality = int(req.args.get("q", 60))
+    rel = PurePosixPath(sanitize(unquote(path)))
+    filepath = config.config.path / rel
+    stat = filepath.lstat()
+    etag = config.derived_secret(
+        "preview", rel, stat.st_mtime_ns, quality, maxsize, maxzoom
+    ).hex()
+    savename = PurePosixPath(filepath.name).with_suffix(".avif")
+    headers = {
+        "etag": etag,
+        "last-modified": format_date_time(stat.st_mtime),
+        "cache-control": "max-age=604800, immutable"
+        + ("" if config.config.public else ", private"),
+        "content-type": "image/avif",
+        "content-disposition": f"inline; filename*=UTF-8''{urllib.parse.quote(savename.as_posix())}",
+    }
+    if req.headers.if_none_match == etag:
+        # The client has it cached, respond 304 Not Modified
+        return empty(304, headers=headers)
+
+    if not filepath.is_file():
+        raise NotFound("File not found")
+
+    img = await asyncio.get_event_loop().run_in_executor(
+        req.app.ctx.threadexec, dispatch, filepath, quality, maxsize, maxzoom
+    )
+    if not img:
+        # Preview generation failed, redirect to the file itself
+        return redirect(f"/files/{path}", status=303)
+    return raw(img, headers=headers)
+
+
+def dispatch(path, quality, maxsize, maxzoom):
+    try:
+        if path.suffix.lower() in (".pdf", ".xps", ".epub", ".mobi"):
+            return process_pdf(path, quality=quality, maxsize=maxsize, maxzoom=maxzoom)
+        type, _ = mimetypes.guess_type(path.name)
+        if type and type.startswith("video/"):
+            return process_video(path, quality=quality, maxsize=maxsize)
+        return process_image(path, quality=quality, maxsize=maxsize)
+    except ValueError as e:
+        logger.warning(f"Cannot generate preview for {path.name}: {e}")
+    except Exception as e:
+        logger.exception(f"Error generating preview for {path.name}: {e}")
+
+
+def process_image(path, *, maxsize, quality):
+    t_load = perf_counter()
+    with Image.open(path) as img:
+        # Force decode to include I/O in load timing
+        img.load()
+        t_proc = perf_counter()
+        # Resize
+        w, h = img.size
+        img.thumbnail((min(w, maxsize), min(h, maxsize)))
+        # Transpose pixels according to EXIF Orientation
+        orientation = img.getexif().get(274, 1)
+        if orientation in EXIF_ORI:
+            img = img.transpose(EXIF_ORI[orientation])
+        # Save as AVIF
+        imgdata = io.BytesIO()
+        t_save = perf_counter()
+        img.save(imgdata, format="avif", quality=quality, speed=10, max_threads=1)
+
+    t_end = perf_counter()
+    ret = imgdata.getvalue()
+
+    load_ms = (t_proc - t_load) * 1000
+    proc_ms = (t_save - t_proc) * 1000
+    save_ms = (t_end - t_save) * 1000
+    logger.debug(
+        "Preview image %s: load=%.1fms process=%.1fms save=%.1fms",
+        path.name,
+        load_ms,
+        proc_ms,
+        save_ms,
+    )
+
+    return ret
+
+
+def process_pdf(path, *, maxsize, maxzoom, quality, page_number=0):
+    t_load_start = perf_counter()
+    pdf = fitz.open(path)
+    page = pdf.load_page(page_number)
+    w, h = page.rect[2:4]
+    zoom = min(maxsize / w, maxsize / h, maxzoom)
+    mat = fitz.Matrix(zoom, zoom)
+    pix = page.get_pixmap(matrix=mat)
+    t_load_end = perf_counter()
+
+    t_save_start = perf_counter()
+    ret = pix.pil_tobytes(format="avif", quality=quality, speed=10, max_threads=1)
+    t_save_end = perf_counter()
+
+    logger.debug(
+        "Preview pdf %s: load+render=%.1fms save=%.1fms",
+        path.name,
+        (t_load_end - t_load_start) * 1000,
+        (t_save_end - t_save_start) * 1000,
+    )
+    return ret
+
+
+def process_video(path, *, maxsize, quality):
+    frame = None
+    imgdata = io.BytesIO()
+    istream = ostream = icc = occ = frame = None
+    t_load_start = perf_counter()
+    # Initialize to avoid "possibly unbound" in static analysis when exceptions occur
+    t_load_end = t_load_start
+    t_save_start = t_load_start
+    t_save_end = t_load_start
+    with (
+        av.open(str(path)) as icontainer,
+        av.open(imgdata, "w", format="avif") as ocontainer,
+    ):
+        istream = icontainer.streams.video[0]
+        istream.codec_context.skip_frame = "NONKEY"
+        icontainer.seek((icontainer.duration or 0) // 8)
+        for frame in icontainer.decode(istream):
+            if frame.dts is not None:
+                break
+        else:
+            raise RuntimeError("No frames found in video")
+
+        # Resize frame to thumbnail size
+        if frame.width > maxsize or frame.height > maxsize:
+            scale_factor = min(maxsize / frame.width, maxsize / frame.height)
+            new_width = int(frame.width * scale_factor)
+            new_height = int(frame.height * scale_factor)
+            frame = frame.reformat(width=new_width, height=new_height)
+
+        # Apply EXIF rotation if present
+        if frame.rotation:
+            # frame.rotation indicates clockwise rotation needed to display correctly
+            # np.rot90 rotates counter-clockwise, so we negate k
+            k = (frame.rotation // 90) % 4  # Convert to counter-clockwise rotations
+            if k == 2:
+                # 180° rotation can be done in YUV420p, preserving HDR
+                try:
+                    fplanes = frame.to_ndarray()
+                    # Split into Y, U, V planes of proper dimensions
+                    planes = [
+                        fplanes[: frame.height],
+                        fplanes[
+                            frame.height : frame.height + frame.height // 4
+                        ].reshape(frame.height // 2, frame.width // 2),
+                        fplanes[frame.height + frame.height // 4 :].reshape(
+                            frame.height // 2, frame.width // 2
+                        ),
+                    ]
+                    # Rotate each plane by 180°
+                    planes = [np.rot90(p, 2) for p in planes]
+                    # Restore PyAV format
+                    planes = np.hstack([p.flat for p in planes]).reshape(
+                        -1, planes[0].shape[1]
+                    )
+                    frame = av.VideoFrame.from_ndarray(planes, format=frame.format.name)
+                    del planes, fplanes
+                except Exception as e:
+                    logger.exception(f"Error rotating video frame by 180°: {e}")
+            elif k in (1, 3):
+                # 90° or 270° rotation requires RGB conversion (loses HDR)
+                try:
+                    rgb = frame.to_ndarray(format="rgb24")
+                    rgb = np.rot90(rgb, k)
+                    frame = av.VideoFrame.from_ndarray(rgb, format="rgb24")
+                    frame = frame.reformat(
+                        format="yuv420p"
+                    )  # Convert back for encoding
+                    del rgb
+                except Exception as e:
+                    logger.exception(
+                        f"Error rotating video frame by {frame.rotation}°: {e}"
+                    )
+        t_load_end = perf_counter()
+
+        t_save_start = perf_counter()
+        crf = str(int(63 * (1 - quality / 100) ** 2))  # Closely matching PIL quality-%
+        ostream = ocontainer.add_stream(
+            "av1",
+            options={
+                "crf": crf,
+                "usage": "realtime",
+                "cpu-used": "8",
+                "threads": "1",
+            },
+        )
+        assert isinstance(ostream, av.VideoStream)
+        ostream.width = frame.width
+        ostream.height = frame.height
+        ostream.pix_fmt = frame.format.name
+        icc = istream.codec_context
+        occ = ostream.codec_context
+
+        # Copy HDR metadata from input video stream
+        occ.color_primaries = icc.color_primaries
+        occ.color_trc = icc.color_trc
+        occ.colorspace = icc.colorspace
+        occ.color_range = icc.color_range
+
+        ocontainer.mux(ostream.encode(frame))
+        ocontainer.mux(ostream.encode(None))  # Flush the stream
+        t_save_end = perf_counter()
+
+    # Capture frame dimensions before cleanup
+    ret = imgdata.getvalue()
+    logger.debug(
+        "Preview video %s: load+decode=%.1fms save=%.1fms",
+        path.name,
+        (t_load_end - t_load_start) * 1000,
+        (t_save_end - t_save_start) * 1000,
+    )
+    del imgdata, istream, ostream, icc, occ, frame
+    gc.collect()
+    return ret

cista/protocol.py

@@ -112,7 +112,7 @@ class ErrorMsg(msgspec.Struct):
 ## Directory listings
 
 
-class FileEntry(msgspec.Struct, array_like=True):
+class FileEntry(msgspec.Struct, array_like=True, frozen=True):
     level: int
     name: str
     key: str
@@ -120,12 +120,14 @@ class FileEntry(msgspec.Struct, array_like=True):
     size: int
     isfile: int
 
-    def __repr__(self):
+    def __str__(self):
         return self.key or "FileEntry()"
 
+    def __repr__(self):
+        return f"{self.name} ({self.size}, {self.mtime})"
 
-class Update(msgspec.Struct, array_like=True):
-    ...
+
+class Update(msgspec.Struct, array_like=True): ...
 
 
 class UpdKeep(Update, tag="k"):

cista/serve.py

@@ -26,7 +26,6 @@ def run(*, dev=False):
         motd=False,
         dev=dev,
         auto_reload=dev,
-        reload_dir={confdir},
         access_log=True,
     )  # type: ignore
     if dev:
@@ -51,7 +50,7 @@ def parse_listen(listen):
             raise ValueError(
                 f"Directory for unix socket does not exist: {unix.parent}/",
             )
-        return "http://localhost", {"unix": unix}
+        return "http://localhost", {"unix": unix.as_posix()}
     if re.fullmatch(r"(\w+(-\w+)*\.)+\w{2,}", listen, re.UNICODE):
         return f"https://{listen}", {"host": listen, "port": 443, "ssl": True}
     try:

cista/sso.py

@@ -0,0 +1,324 @@
+"""SSO (paskia) authentication proxy and validation module.
+
+When paskia mode is enabled (PASKIA_BACKEND_URL is set):
+- Backend validates requests against PASKIA_BACKEND_URL/auth/api/validate?perm=cista:login
+- All /auth/* requests are proxied to the paskia backend
+
+Environment variables:
+  PASKIA_BACKEND_URL - URL of the paskia auth server (e.g., http://localhost:4401)
+                       Must include scheme (http/https), no trailing slash
+"""
+
+import asyncio
+import os
+import re
+
+import httpx
+import websockets
+from sanic import Blueprint
+from sanic.exceptions import Forbidden, SanicException, Unauthorized
+from sanic.log import logger
+
+# Auth backend URL for SSO validation (from env, no trailing slash)
+_raw_url = os.environ.get("PASKIA_BACKEND_URL", "").rstrip("/")
+
+# Validate and set PASKIA_BACKEND_URL
+if _raw_url:
+    if not re.match(r"^https?://[^\s/]+$", _raw_url):
+        raise ValueError(
+            f"Invalid PASKIA_BACKEND_URL: {_raw_url!r} - "
+            "must be http(s)://host[:port] with no path or trailing slash"
+        )
+    PASKIA_BACKEND_URL = _raw_url
+else:
+    PASKIA_BACKEND_URL = ""
+
+
+def paskia_enabled() -> bool:
+    """Check if paskia SSO mode is enabled (PASKIA_BACKEND_URL is set)."""
+    return bool(PASKIA_BACKEND_URL)
+
+
+# Shared httpx client for SSO requests (reused for connection pooling)
+_client: httpx.AsyncClient | None = None
+
+
+async def get_client() -> httpx.AsyncClient:
+    """Get or create the shared httpx client."""
+    global _client
+    if _client is None or _client.is_closed:
+        _client = httpx.AsyncClient(timeout=1.0)
+    return _client
+
+
+async def close_client():
+    """Close the shared httpx client."""
+    global _client
+    if _client is not None and not _client.is_closed:
+        await _client.aclose()
+        _client = None
+
+
+async def validate_sso_request(request, *, perm: str = "cista:login") -> dict | None:
+    """Validate an SSO request against the auth backend.
+
+    Args:
+        request: The Sanic request object
+        perm: Permission to validate (default: cista:login, privileged also cista:admin)
+
+    Returns:
+        User info dict if valid, None if validation fails with auth required response
+
+    Raises:
+        Forbidden: If access is denied (403)
+        Unauthorized: If authentication is required (401)
+    """
+    if not paskia_enabled():
+        return None
+
+    client = await get_client()
+
+    headers = {}
+    if "host" in request.headers:
+        headers["host"] = request.headers["host"]
+    if "cookie" in request.headers:
+        headers["cookie"] = request.headers["cookie"]
+    if "authorization" in request.headers:
+        headers["authorization"] = request.headers["authorization"]
+    headers["accept"] = "application/json"
+    headers["x-forwarded-for"] = request.client_ip
+    headers["x-forwarded-host"] = request.host
+    headers["x-forwarded-proto"] = request.scheme
+
+    url = f"{PASKIA_BACKEND_URL}/auth/api/validate?perm={perm}"
+
+    try:
+        response = await client.post(
+            url,
+            headers=headers,
+        )
+
+        if response.status_code == 200:
+            try:
+                data = response.json()
+                request.ctx.sso_user = data
+                if "set-cookie" in response.headers:
+                    request.ctx.sso_cookies = response.headers.get_list("set-cookie")
+                return data
+            except Exception:
+                request.ctx.sso_user = {}
+                return {}
+
+        try:
+            error_data = response.json()
+        except Exception:
+            error_data = {"detail": response.text or "Authentication error"}
+
+        if response.status_code == 401:
+            if "auth" in error_data and "iframe" in error_data["auth"]:
+                error_data["auth"]["iframe"] += "&theme=light"
+            raise Unauthorized(
+                error_data.get("detail", "Authentication required"),
+                "cookie",
+                context=error_data,
+                quiet=True,
+            )
+        elif response.status_code == 403:
+            raise Forbidden(
+                error_data.get("detail", "Access denied"),
+                context=error_data,
+                quiet=True,
+            )
+        else:
+            detail = error_data.get("detail", "")
+            logger.warning(
+                f"SSO validation {url} returned {response.status_code}: {detail}"
+            )
+            raise Forbidden(
+                detail or "Authentication error",
+                context=error_data,
+                quiet=True,
+            )
+
+    except httpx.RequestError as e:
+        logger.error(f"SSO validation {url} network error: {e}")
+        raise SanicException(
+            "Authentication service unavailable",
+            status_code=502,
+            quiet=True,
+        )
+
+
+async def proxy_auth_request(request):
+    """Proxy a request to the auth backend.
+
+    All requests under /auth/ are proxied when paskia mode is enabled.
+    """
+    client = await get_client()
+
+    path = request.path
+    query_string = request.query_string
+    url = f"{PASKIA_BACKEND_URL}{path}"
+    if query_string:
+        url = f"{url}?{query_string}"
+
+    skip_headers = {
+        "connection",
+        "keep-alive",
+        "transfer-encoding",
+        "te",
+        "trailer",
+        "upgrade",
+        "proxy-authorization",
+        "proxy-authenticate",
+        "forwarded",
+        "x-forwarded-for",
+        "x-forwarded-host",
+        "x-forwarded-proto",
+    }
+
+    headers = [
+        (key, value)
+        for key, value in request.headers.items()
+        if key.lower() not in skip_headers
+    ]
+    headers.append(("x-forwarded-for", request.client_ip))
+    headers.append(("x-forwarded-host", request.host))
+    headers.append(("x-forwarded-proto", request.scheme))
+
+    try:
+        async with client.stream(
+            method=request.method,
+            url=url,
+            headers=headers,
+            content=request.body if request.body else None,
+        ) as response:
+            raw_content = b"".join([chunk async for chunk in response.aiter_raw()])
+
+            resp_hop_by_hop = {
+                "connection",
+                "keep-alive",
+                "transfer-encoding",
+                "te",
+                "trailer",
+                "upgrade",
+            }
+
+            resp_headers = [
+                (key, value)
+                for key, value in response.headers.multi_items()
+                if key.lower() not in resp_hop_by_hop
+            ]
+
+            from sanic import raw as raw_response
+
+            return raw_response(
+                raw_content,
+                status=response.status_code,
+                headers=resp_headers,
+                content_type=response.headers.get("content-type", "application/json"),
+            )
+
+    except httpx.RequestError as e:
+        logger.error(f"Auth proxy request failed: {e}")
+        from sanic import json
+
+        return json(
+            {"detail": "Authentication service unavailable", "error": str(e)},
+            status=503,
+        )
+
+
+async def proxy_auth_websocket(request, ws):
+    """Proxy a WebSocket connection to the auth backend."""
+    path = request.path
+    query_string = request.query_string
+    ws_backend = PASKIA_BACKEND_URL.replace("http://", "ws://").replace(
+        "https://", "wss://"
+    )
+    url = f"{ws_backend}{path}"
+    if query_string:
+        url = f"{url}?{query_string}"
+
+    additional_headers = {}
+    if "cookie" in request.headers:
+        additional_headers["cookie"] = request.headers["cookie"]
+    if "authorization" in request.headers:
+        additional_headers["authorization"] = request.headers["authorization"]
+    if "origin" in request.headers:
+        additional_headers["origin"] = request.headers["origin"]
+    if "user-agent" in request.headers:
+        additional_headers["user-agent"] = request.headers["user-agent"]
+    additional_headers["x-forwarded-for"] = request.ip
+    additional_headers["x-forwarded-host"] = request.host
+    additional_headers["x-forwarded-proto"] = request.scheme
+
+    try:
+        async with websockets.connect(
+            url, additional_headers=additional_headers
+        ) as backend_ws:
+
+            async def forward_to_backend():
+                try:
+                    async for message in ws:
+                        await backend_ws.send(message)
+                except Exception:
+                    pass
+
+            async def forward_to_client():
+                try:
+                    async for message in backend_ws:
+                        await ws.send(message)
+                except Exception:
+                    pass
+
+            await asyncio.gather(
+                forward_to_backend(),
+                forward_to_client(),
+                return_exceptions=True,
+            )
+    except Exception as e:
+        logger.error(f"WebSocket proxy to {url} failed: {e}")
+
+
+def _is_websocket_request(request) -> bool:
+    """Check if the request is a WebSocket upgrade request."""
+    connection = request.headers.get("connection", "").lower()
+    upgrade = request.headers.get("upgrade", "").lower()
+    connection_tokens = [t.strip() for t in connection.split(",")]
+    return "upgrade" in connection_tokens and upgrade == "websocket"
+
+
+async def _handle_websocket_upgrade(request):
+    """Handle WebSocket upgrade and proxy the connection."""
+    protocol = request.transport.get_protocol()
+    ws = await protocol.websocket_handshake(request, subprotocols=None)
+    await proxy_auth_websocket(request, ws)
+
+
+# Blueprint for auth proxy routes (only registered when paskia_enabled())
+bp = Blueprint("sso", url_prefix="/auth")
+
+
+@bp.route(
+    "/<path:path>", methods=["GET", "POST", "PUT", "DELETE", "PATCH", "OPTIONS", "HEAD"]
+)
+async def auth_proxy(request, path=""):
+    """Proxy all auth requests to the auth backend."""
+    if _is_websocket_request(request):
+        await _handle_websocket_upgrade(request)
+        from sanic import empty
+
+        return empty()
+    return await proxy_auth_request(request)
+
+
+@bp.route("/", methods=["GET", "POST", "PUT", "DELETE", "PATCH", "OPTIONS", "HEAD"])
+async def auth_proxy_root(request):
+    """Proxy root auth requests to the auth backend."""
+    if _is_websocket_request(request):
+        await _handle_websocket_upgrade(request)
+        from sanic import empty
+
+        return empty()
+    return await proxy_auth_request(request)

cista/util/apphelpers.py

@@ -21,7 +21,6 @@ def jres(data, **kwargs):
 
 
 async def handle_sanic_exception(request, e):
-    logger.exception(e)
     context, code = {}, 500
     message = str(e)
     if isinstance(e, SanicException):
@@ -30,10 +29,15 @@ async def handle_sanic_exception(request, e):
     if not message or not request.app.debug and code == 500:
         message = "Internal Server Error"
     message = f"⚠️ {message}" if code < 500 else f"🛑 {message}"
+    if code == 500:
+        logger.exception(e)
     # Non-browsers get JSON errors
     if "text/html" not in request.headers.accept:
+        # Include auth context if present (for SSO auth required responses)
+        # Auth must be at top level for paskia library to detect it
+        response_data = {"code": code, "message": message, "detail": message, **context}
         return jres(
-            ErrorMsg({"code": code, "message": message, **context}),
+            response_data,
             status=code,
         )
     # Redirections flash the error message via cookies
@@ -42,7 +46,7 @@ async def handle_sanic_exception(request, e):
         res.cookies.add_cookie("message", message, max_age=5)
         return res
     # Otherwise use Sanic's default error page
-    return errorpages.HTMLRenderer(request, e, debug=request.app.debug).full()
+    return errorpages.HTMLRenderer(request, e, debug=request.app.debug).render()
 
 
 def websocket_wrapper(handler):
@@ -51,16 +55,17 @@ def websocket_wrapper(handler):
     @wraps(handler)
     async def wrapper(request, ws, *args, **kwargs):
         try:
-            auth.verify(request)
+            await auth.verify(request)
             await handler(request, ws, *args, **kwargs)
         except Exception as e:
-            logger.exception(e)
             context, code, message = {}, 500, str(e) or "Internal Server Error"
             if isinstance(e, SanicException):
                 context = e.context or {}
                 code = e.status_code
             message = f"⚠️ {message}" if code < 500 else f"🛑 {message}"
             await asend(ws, ErrorMsg({"code": code, "message": message, **context}))
+            if not getattr(e, "quiet", False) or code == 500:
+                logger.exception(f"{code} {e!r}")
             raise
 
     return wrapper

cista/util/lrucache.py

@@ -1,4 +1,5 @@
 from time import monotonic
+from typing import Callable
 
 
 class LRUCache:
@@ -12,7 +13,7 @@ class LRUCache:
         cache (list): Internal list storing the cache items.
     """
 
-    def __init__(self, open: callable, *, capacity: int, maxage: float):
+    def __init__(self, open: Callable, *, capacity: int, maxage: float):
         """
         Initialize LRUCache.
 
@@ -50,7 +51,6 @@ class LRUCache:
         # Add/restore to end of cache
         self.cache.insert(0, (key, f, monotonic()))
         self.expire_items()
-        print(self.cache)
         return f
 
     def expire_items(self):

cista/watching.py

@@ -1,15 +1,16 @@
 import asyncio
 import shutil
-import stat
 import sys
 import threading
 import time
+from contextlib import suppress
 from os import stat_result
 from pathlib import Path, PurePosixPath
+from stat import S_ISDIR, S_ISREG
 
 import msgspec
 from natsort import humansorted, natsort_keygen, ns
-from sanic.log import logging
+from sanic.log import logger
 
 from cista import config
 from cista.fileio import fuid
@@ -23,7 +24,7 @@ class State:
     def __init__(self):
         self.lock = threading.RLock()
         self._space = Space(0, 0, 0, 0)
-        self._listing: list[FileEntry] = []
+        self.root: list[FileEntry] = []
 
     @property
     def space(self):
@@ -35,264 +36,282 @@ class State:
         with self.lock:
             self._space = space
 
-    @property
-    def root(self) -> list[FileEntry]:
-        with self.lock:
-            return self._listing[:]
 
-    @root.setter
-    def root(self, listing: list[FileEntry]):
-        with self.lock:
-            self._listing = listing
+def treeiter(rootmod):
+    relpath = PurePosixPath()
+    for i, entry in enumerate(rootmod):
+        if entry.level > 0:
+            relpath = PurePosixPath(*relpath.parts[: entry.level - 1]) / entry.name
+        yield i, relpath, entry
 
-    def _slice(self, idx: PurePosixPath | tuple[PurePosixPath, int]):
-        relpath, relfile = idx if isinstance(idx, tuple) else (idx, 0)
-        begin, end = 0, len(self._listing)
-        level = 0
-        isfile = 0
 
-        # Special case for root
-        if not relpath.parts:
-            return slice(begin, end)
+def treeget(rootmod: list[FileEntry], path: PurePosixPath):
+    begin = None
+    ret = []
 
-        begin += 1
-        for part in relpath.parts:
+    for i, relpath, entry in treeiter(rootmod):
+        if begin is None:
+            if relpath == path:
+                begin = i
+                ret.append(entry)
+            continue
+        if entry.level <= len(path.parts):
+            break
+        ret.append(entry)
+
+    return begin, ret
+
+
+def treeinspos(rootmod: list[FileEntry], relpath: PurePosixPath, relfile: int):
+    # Find the first entry greater than the new one
+    # precondition: the new entry doesn't exist
+    isfile = 0
+    level = 0
+    i = 0
+    for i, rel, entry in treeiter(rootmod):
+        if entry.level > level:
+            # We haven't found item at level, skip subdirectories
+            continue
+        if entry.level < level:
+            # We have passed the level, so the new item is the first
+            return i
+        if level == 0:
+            # root
             level += 1
-            found = False
+            continue
 
-            while begin < end:
-                entry = self._listing[begin]
+        ename = rel.parts[level - 1]
+        name = relpath.parts[level - 1]
 
-                if entry.level < level:
-                    break
+        esort = sortkey(ename)
+        nsort = sortkey(name)
+        # Non-leaf are always folders, only use relfile at leaf
+        isfile = relfile if len(relpath.parts) == level else 0
 
-                if entry.level == level:
-                    if entry.name == part:
-                        found = True
-                        if level == len(relpath.parts):
-                            isfile = relfile
-                        else:
-                            begin += 1
-                        break
-                    cmp = entry.isfile - isfile or sortkey(entry.name) > sortkey(part)
-                    if cmp > 0:
-                        break
+        # First compare by isfile, then by sorting order and if that too matches then case sensitive
+        cmp = (
+            entry.isfile - isfile
+            or (esort > nsort) - (esort < nsort)
+            or (ename > name) - (ename < name)
+        )
 
-                begin += 1
+        if cmp > 0:
+            return i
+        if cmp < 0:
+            continue
 
-            if not found:
-                return slice(begin, begin)
+        level += 1
+        if level > len(relpath.parts):
+            logger.error(
+                f"insertpos level overflow: relpath={relpath}, i={i}, entry.name={entry.name}, entry.level={entry.level}, level={level}"
+            )
+            break
+    else:
+        i += 1
 
-        # Found the starting point, now find the end of the slice
-        for end in range(begin + 1, len(self._listing) + 1):
-            if end == len(self._listing) or self._listing[end].level <= level:
-                break
-        return slice(begin, end)
-
-    def __getitem__(self, index: PurePosixPath | tuple[PurePosixPath, int]):
-        with self.lock:
-            return self._listing[self._slice(index)]
-
-    def __setitem__(
-        self, index: tuple[PurePosixPath, int], value: list[FileEntry]
-    ) -> None:
-        rel, isfile = index
-        with self.lock:
-            if rel.parts:
-                parent = self._slice(rel.parent)
-                if parent.start == parent.stop:
-                    raise ValueError(
-                        f"Parent folder {rel.as_posix()} is missing for {rel.name}"
-                    )
-            self._listing[self._slice(index)] = value
-
-    def __delitem__(self, relpath: PurePosixPath):
-        with self.lock:
-            del self._listing[self._slice(relpath)]
+    return i
 
 
 state = State()
 rootpath: Path = None  # type: ignore
-quit = False
-modified_flags = (
-    "IN_CREATE",
-    "IN_DELETE",
-    "IN_DELETE_SELF",
-    "IN_MODIFY",
-    "IN_MOVE_SELF",
-    "IN_MOVED_FROM",
-    "IN_MOVED_TO",
-)
+quit = threading.Event()
+
+## Filesystem scanning
 
 
-def watcher_thread(loop):
-    global rootpath
-    import inotify.adapters
-
-    while not quit:
-        rootpath = config.config.path
-        i = inotify.adapters.InotifyTree(rootpath.as_posix())
-        # Initialize the tree from filesystem
-        new = walk()
-        with state.lock:
-            old = state.root
-            if old != new:
-                state.root = new
-                broadcast(format_update(old, new), loop)
-
-        # The watching is not entirely reliable, so do a full refresh every 30 seconds
-        refreshdl = time.monotonic() + 30.0
-
-        for event in i.event_gen():
-            if quit:
-                return
-            # Disk usage update
-            du = shutil.disk_usage(rootpath)
-            space = Space(*du, storage=state.root[0].size)
-            if space != state.space:
-                state.space = space
-                broadcast(format_space(space), loop)
-                break
-            # Do a full refresh?
-            if time.monotonic() > refreshdl:
-                break
-            if event is None:
-                continue
-            _, flags, path, filename = event
-            if not any(f in modified_flags for f in flags):
-                continue
-            # Update modified path
-            path = PurePosixPath(path) / filename
-            try:
-                update(path.relative_to(rootpath), loop)
-            except Exception as e:
-                print("Watching error", e, path, rootpath)
-                raise
-        i = None  # Free the inotify object
-
-
-def watcher_thread_poll(loop):
-    global rootpath
-
-    while not quit:
-        rootpath = config.config.path
-        new = walk()
-        with state.lock:
-            old = state.root
-            if old != new:
-                state.root = new
-                broadcast(format_update(old, new), loop)
-
-        # Disk usage update
-        du = shutil.disk_usage(rootpath)
-        space = Space(*du, storage=state.root[0].size)
-        if space != state.space:
-            state.space = space
-            broadcast(format_space(space), loop)
-
-        time.sleep(2.0)
-
-
-def walk(rel=PurePosixPath()) -> list[FileEntry]:  # noqa: B008
-    path = rootpath / rel
-    try:
-        st = path.stat()
-    except OSError:
-        return []
-    return _walk(rel, int(not stat.S_ISDIR(st.st_mode)), st)
-
-
-def _walk(rel: PurePosixPath, isfile: int, st: stat_result) -> list[FileEntry]:
-    entry = FileEntry(
-        level=len(rel.parts),
-        name=rel.name,
-        key=fuid(st),
-        mtime=int(st.st_mtime),
-        size=st.st_size if isfile else 0,
-        isfile=isfile,
-    )
-    if isfile:
-        return [entry]
-    ret = [entry]
+def walk(rel: PurePosixPath, stat: stat_result | None = None) -> list[FileEntry]:
     path = rootpath / rel
+    ret = []
     try:
+        st = stat or path.stat()
+        isfile = int(not S_ISDIR(st.st_mode))
+        entry = FileEntry(
+            level=len(rel.parts),
+            name=rel.name,
+            key=fuid(st),
+            mtime=int(st.st_mtime),
+            size=st.st_size if isfile else 0,
+            isfile=isfile,
+        )
+        if isfile:
+            return [entry]
+        # Walk all entries of the directory
+        ret: list[FileEntry] = [...]  # type: ignore
         li = []
         for f in path.iterdir():
-            if quit:
+            if quit.is_set():
                 raise SystemExit("quit")
             if f.name.startswith("."):
                 continue  # No dotfiles
-            s = f.stat()
-            li.append((int(not stat.S_ISDIR(s.st_mode)), f.name, s))
-        for [isfile, name, s] in humansorted(li):
-            if quit:
-                raise SystemExit("quit")
-            subtree = _walk(rel / name, isfile, s)
-            child = subtree[0]
-            entry.mtime = max(entry.mtime, child.mtime)
-            entry.size += child.size
-            ret.extend(subtree)
+            with suppress(FileNotFoundError):
+                s = f.lstat()
+                isfile = S_ISREG(s.st_mode)
+                isdir = S_ISDIR(s.st_mode)
+                if not isfile and not isdir:
+                    continue
+                li.append((int(isfile), f.name, s))
+        # Build the tree as a list of FileEntries
+        for [_, name, s] in humansorted(li):
+            sub = walk(rel / name, stat=s)
+            child = sub[0]
+            entry = FileEntry(
+                level=entry.level,
+                name=entry.name,
+                key=entry.key,
+                size=entry.size + child.size,
+                mtime=max(entry.mtime, child.mtime),
+                isfile=entry.isfile,
+            )
+            ret.extend(sub)
     except FileNotFoundError:
         pass  # Things may be rapidly in motion
     except OSError as e:
-        print("OS error walking path", path, e)
+        if e.errno == 13:  # Permission denied
+            pass
+        logger.error(f"Watching {path=}: {e!r}")
+    if ret:
+        ret[0] = entry
     return ret
 
 
-def update(relpath: PurePosixPath, loop):
-    """Called by inotify updates, check the filesystem and broadcast any changes."""
-    if rootpath is None or relpath is None:
-        print("ERROR", rootpath, relpath)
+def update_root(loop):
+    """Full filesystem scan"""
+    old = state.root
+    new = walk(PurePosixPath())
+    if old != new:
+        update = format_update(old, new)
+        with state.lock:
+            broadcast(update, loop)
+            state.root = new
+
+
+def update_path(rootmod: list[FileEntry], relpath: PurePosixPath, loop):
+    """Called on FS updates, check the filesystem and broadcast any changes."""
     new = walk(relpath)
-    with state.lock:
-        old = state[relpath]
-        if old == new:
-            return
-        old = state.root
-        if new:
-            state[relpath, new[0].isfile] = new
-        else:
-            del state[relpath]
-        broadcast(format_update(old, state.root), loop)
+    obegin, old = treeget(rootmod, relpath)
+
+    if old == new:
+        return
+
+    if obegin is not None:
+        del rootmod[obegin : obegin + len(old)]
+
+    if new:
+        i = treeinspos(rootmod, relpath, new[0].isfile)
+        rootmod[i:i] = new
+
+
+def update_space(loop):
+    """Called periodically to update the disk usage."""
+    du = shutil.disk_usage(rootpath)
+    space = Space(*du, storage=state.root[0].size)
+    # Update only on difference above 1 MB
+    tol = 10**6
+    old = msgspec.structs.astuple(state.space)
+    new = msgspec.structs.astuple(space)
+    if any(abs(o - n) > tol for o, n in zip(old, new, strict=True)):
+        state.space = space
+        broadcast(format_space(space), loop)
+
+
+## Messaging
 
 
 def format_update(old, new):
     # Make keep/del/insert diff until one of the lists ends
     oidx, nidx = 0, 0
+    oremain, nremain = set(old), set(new)
     update = []
     keep_count = 0
+    iteration_count = 0
+    # Precompute index maps to allow deterministic tie-breaking when both
+    # candidates exist in both sequences but are not equal (rename/move cases)
+    old_pos = {e: i for i, e in enumerate(old)}
+    new_pos = {e: i for i, e in enumerate(new)}
+
     while oidx < len(old) and nidx < len(new):
+        iteration_count += 1
+
+        # Emergency brake for potential infinite loops
+        if iteration_count > 50000:
+            logger.error(
+                f"format_update potential infinite loop! iteration={iteration_count}, oidx={oidx}, nidx={nidx}"
+            )
+            raise Exception(
+                f"format_update infinite loop detected at iteration {iteration_count}"
+            )
+
+        modified = False
+        # Matching entries are kept
         if old[oidx] == new[nidx]:
+            entry = old[oidx]
+            oremain.discard(entry)
+            nremain.discard(entry)
             keep_count += 1
             oidx += 1
             nidx += 1
             continue
+
         if keep_count > 0:
+            modified = True
             update.append(UpdKeep(keep_count))
             keep_count = 0
 
+        # Items only in old are deleted
         del_count = 0
-        rest = new[nidx:]
-        while oidx < len(old) and old[oidx] not in rest:
+        while oidx < len(old) and old[oidx] not in nremain:
+            oremain.remove(old[oidx])
             del_count += 1
             oidx += 1
         if del_count:
             update.append(UpdDel(del_count))
             continue
 
+        # Items only in new are inserted
         insert_items = []
-        rest = old[oidx:]
-        while nidx < len(new) and new[nidx] not in rest:
-            insert_items.append(new[nidx])
+        while nidx < len(new) and new[nidx] not in oremain:
+            entry = new[nidx]
+            nremain.discard(entry)
+            insert_items.append(entry)
             nidx += 1
-        update.append(UpdIns(insert_items))
+        if insert_items:
+            modified = True
+            update.append(UpdIns(insert_items))
+
+        if not modified:
+            # Tie-break: both items exist in both lists but don't match here.
+            # Decide whether to delete old[oidx] first or insert new[nidx] first
+            # based on which alignment is closer.
+            if oidx >= len(old) or nidx >= len(new):
+                break
+            cur_old = old[oidx]
+            cur_new = new[nidx]
+
+            pos_old_in_new = new_pos.get(cur_old)
+            pos_new_in_old = old_pos.get(cur_new)
+
+            # Default distances if not present (shouldn't happen if in remain sets)
+            dist_del = (pos_old_in_new - nidx) if pos_old_in_new is not None else 1
+            dist_ins = (pos_new_in_old - oidx) if pos_new_in_old is not None else 1
+
+            # Prefer the operation with smaller forward distance; tie => delete
+            if dist_del <= dist_ins:
+                # Delete current old item
+                oremain.discard(cur_old)
+                update.append(UpdDel(1))
+                oidx += 1
+            else:
+                # Insert current new item
+                nremain.discard(cur_new)
+                update.append(UpdIns([cur_new]))
+                nidx += 1
 
     # Diff any remaining
     if keep_count > 0:
         update.append(UpdKeep(keep_count))
-    if oidx < len(old):
-        update.append(UpdDel(len(old) - oidx))
-    elif nidx < len(new):
+    if oremain:
+        update.append(UpdDel(len(oremain)))
+    elif nremain:
         update.append(UpdIns(new[nidx:]))
 
     return msgspec.json.encode({"update": update}).decode()
@@ -316,20 +335,125 @@ async def abroadcast(msg):
             queue.put_nowait(msg)
     except Exception:
         # Log because asyncio would silently eat the error
-        logging.exception("Broadcast error")
+        logger.exception("Broadcast error")
 
 
-async def start(app, loop):
+## Watcher thread
+
+
+def watcher_inotify(loop):
+    """Inotify watcher thread (Linux only)"""
+    import inotify.adapters
+
+    modified_flags = (
+        "IN_CREATE",
+        "IN_DELETE",
+        "IN_DELETE_SELF",
+        "IN_MODIFY",
+        "IN_MOVE_SELF",
+        "IN_MOVED_FROM",
+        "IN_MOVED_TO",
+    )
+    while not quit.is_set():
+        i = inotify.adapters.InotifyTree(rootpath.as_posix())
+        # Initialize the tree from filesystem
+        update_root(loop)
+        trefresh = time.monotonic() + 300.0
+        tspace = time.monotonic() + 5.0
+        # Watch for changes (frequent wakeups needed for quiting)
+        while not quit.is_set():
+            t = time.monotonic()
+            # The watching is not entirely reliable, so do a full refresh every 30 seconds
+            if t >= trefresh:
+                break
+            # Disk usage update
+            if t >= tspace:
+                tspace = time.monotonic() + 5.0
+                update_space(loop)
+            # Inotify events, update the tree
+            dirty = False
+            rootmod = state.root[:]
+            for event in i.event_gen(yield_nones=False, timeout_s=0.1):
+                assert event
+                if quit.is_set():
+                    return
+                interesting = any(f in modified_flags for f in event[1])
+                if interesting:
+                    # Update modified path
+                    path = PurePosixPath(event[2]) / event[3]
+                    try:
+                        rel_path = path.relative_to(rootpath)
+                        update_path(rootmod, rel_path, loop)
+                    except Exception as e:
+                        logger.error(
+                            f"Error processing inotify event for path {path}: {e}"
+                        )
+                        raise
+                    if not dirty:
+                        t = time.monotonic()
+                        dirty = True
+                # Wait a maximum of 0.2s to push the updates
+                if dirty and time.monotonic() >= t + 0.2:
+                    break
+            if dirty and state.root != rootmod:
+                try:
+                    update = format_update(state.root, rootmod)
+                    with state.lock:
+                        broadcast(update, loop)
+                        state.root = rootmod
+                except Exception:
+                    logger.exception(
+                        "format_update failed; falling back to full rescan"
+                    )
+                    # Fallback: full rescan and try diff again; last resort send full root
+                    try:
+                        fresh = walk(PurePosixPath())
+                        try:
+                            update = format_update(state.root, fresh)
+                            with state.lock:
+                                broadcast(update, loop)
+                                state.root = fresh
+                        except Exception:
+                            logger.exception(
+                                "Fallback diff failed; sending full root snapshot"
+                            )
+                            with state.lock:
+                                broadcast(format_root(fresh), loop)
+                                state.root = fresh
+                    except Exception:
+                        logger.exception(
+                            "Full rescan failed; dropping this batch of updates"
+                        )
+
+        del i  # Free the inotify object
+
+
+def watcher_poll(loop):
+    """Polling version of the watcher thread."""
+    while not quit.is_set():
+        t0 = time.perf_counter()
+        update_root(loop)
+        update_space(loop)
+        dur = time.perf_counter() - t0
+        if dur > 1.0:
+            logger.debug(f"Reading the full file list took {dur:.1f}s")
+        quit.wait(0.1 + 8 * dur)
+
+
+def start(app):
+    global rootpath
     config.load_config()
+    rootpath = config.config.path
     use_inotify = sys.platform == "linux"
     app.ctx.watcher = threading.Thread(
-        target=watcher_thread if use_inotify else watcher_thread_poll,
-        args=[loop],
+        target=watcher_inotify if use_inotify else watcher_poll,
+        args=[app.loop],
+        # Descriptive name for system monitoring
+        name=f"cista-watcher {rootpath}",
     )
     app.ctx.watcher.start()
 
 
-async def stop(app, loop):
-    global quit
-    quit = True
+def stop(app):
+    quit.set()
     app.ctx.watcher.join()

frontend/.npmrc

@@ -0,0 +1,2 @@
+audit=false
+fund=false

frontend/README.md

@@ -1,40 +1,46 @@
-# cista-front
-
-This template should help get you started developing with Vue 3 in Vite.
-
-## Recommended IDE Setup
-
-[VSCode](https://code.visualstudio.com/) + [Volar](https://marketplace.visualstudio.com/items?itemName=Vue.volar) (and disable Vetur) + [TypeScript Vue Plugin (Volar)](https://marketplace.visualstudio.com/items?itemName=Vue.vscode-typescript-vue-plugin).
-
-## Type Support for `.vue` Imports in TS
-
-TypeScript cannot handle type information for `.vue` imports by default, so we replace the `tsc` CLI with `vue-tsc` for type checking. In editors, we need [TypeScript Vue Plugin (Volar)](https://marketplace.visualstudio.com/items?itemName=Vue.vscode-typescript-vue-plugin) to make the TypeScript language service aware of `.vue` types.
-
-If the standalone TypeScript plugin doesn't feel fast enough to you, Volar has also implemented a [Take Over Mode](https://github.com/johnsoncodehk/volar/discussions/471#discussioncomment-1361669) that is more performant. You can enable it by the following steps:
-
-1. Disable the built-in TypeScript Extension
-    1) Run `Extensions: Show Built-in Extensions` from VSCode's command palette
-    2) Find `TypeScript and JavaScript Language Features`, right click and select `Disable (Workspace)`
-2. Reload the VSCode window by running `Developer: Reload Window` from the command palette.
-
-## Customize configuration
-
-See [Vite Configuration Reference](https://vitejs.dev/config/).
-
-## Project Setup
-
-```sh
-npm install
-```
-
-### Compile and Hot-Reload for Development
-
-```sh
-npm run dev
-```
-
-### Type-Check, Compile and Minify for Production
-
-```sh
-npm run build
-```
+# Cista Vue Frontend
+
+The frontend is a Single-Page App implemented with Vue 3. Development uses the Vite server together with the main Python backend, but in production the latter also serves the prebuilt frontend files.
+
+## Recommended IDE Setup
+
+[VSCode](https://code.visualstudio.com/) + [Volar](https://marketplace.visualstudio.com/items?itemName=Vue.volar) (and disable Vetur) + [TypeScript Vue Plugin (Volar)](https://marketplace.visualstudio.com/items?itemName=Vue.vscode-typescript-vue-plugin).
+
+## Type Support for `.vue` Imports in TS
+
+TypeScript cannot handle type information for `.vue` imports by default, so we replace the `tsc` CLI with `vue-tsc` for type checking. In editors, we need [TypeScript Vue Plugin (Volar)](https://marketplace.visualstudio.com/items?itemName=Vue.vscode-typescript-vue-plugin) to make the TypeScript language service aware of `.vue` types.
+
+If the standalone TypeScript plugin doesn't feel fast enough to you, Volar has also implemented a [Take Over Mode](https://github.com/johnsoncodehk/volar/discussions/471#discussioncomment-1361669) that is more performant. You can enable it by the following steps:
+
+1. Disable the built-in TypeScript Extension
+    1) Run `Extensions: Show Built-in Extensions` from VSCode's command palette
+    2) Find `TypeScript and JavaScript Language Features`, right click and select `Disable (Workspace)`
+2. Reload the VSCode window by running `Developer: Reload Window` from the command palette.
+
+## Hot-Reload for Development
+
+### Run the backend
+
+```fish
+uv sync --dev
+uv run cista --dev -l :8000
+```
+
+### And the Vite server (in another terminal)
+
+```fish
+cd frontend
+bun install
+bun run dev
+```
+Browse to Vite, which will proxy API requests to port 8000. Both servers live reload changes.
+
+
+### Type-Check, Compile and Minify for Production
+
+This is also called by `uv build` during Python packaging:
+
+```fish
+bun run build
+```
+

frontend/env.d.ts

@@ -1 +1,7 @@
 /// <reference types="vite/client" />
+
+declare module '*.vue' {
+  import type { DefineComponent } from 'vue'
+  const component: DefineComponent<{}, {}, any>
+  export default component
+}

frontend/index.html

@@ -2,11 +2,10 @@
 <html lang=en>
 <meta charset=UTF-8>
 <title>Cista Storage</title>
-<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
+<meta name="viewport" content="width=device-width, initial-scale=1, interactive-widget=resizes-content">
 <link rel="icon" href="/src/assets/logo.svg">
 <link rel="preconnect" href="https://fonts.googleapis.com">
 <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
 <link href="https://fonts.googleapis.com/css2?family=Roboto+Mono&family=Roboto:wght@400;700&display=swap" rel="stylesheet">
 <script type="module" src="/src/main.ts"></script>
-
-<div id="app"></div>
+<body id="app">

frontend/package.json

@@ -12,41 +12,44 @@
     "lint": "eslint . --ext .vue,.js,.jsx,.cjs,.mjs,.ts,.tsx,.cts,.mts --fix --ignore-path .gitignore",
     "format": "prettier --write src/"
   },
+  "engines": {
+    "node": ">=18.0.0"
+  },
   "dependencies": {
-    "@imengyu/vue3-context-menu": "^1.3.3",
-    "@vueuse/core": "^10.4.1",
-    "esbuild": "^0.19.5",
-    "lodash": "^4.17.21",
-    "lodash-es": "^4.17.21",
-    "pinia": "^2.1.6",
-    "pinia-plugin-persistedstate": "^3.2.0",
-    "unplugin-vue-components": "^0.25.2",
-    "vite-plugin-rewrite-all": "^1.0.1",
-    "vite-svg-loader": "^4.0.0",
-    "vue": "^3.3.4",
-    "vue-router": "^4.2.4"
+    "@imengyu/vue3-context-menu": "^1.5.3",
+    "@vueuse/core": "^14.1.0",
+    "esbuild": "^0.27.2",
+    "lodash": "^4.17.23",
+    "lodash-es": "^4.17.23",
+    "paskia": "^0.1.2",
+    "pinia": "^3.0.4",
+    "pinia-plugin-persistedstate": "^4.7.1",
+    "unplugin-vue-components": "^31.0.0",
+    "vite-svg-loader": "^5.1.0",
+    "vue": "^3.5.27",
+    "vue-router": "^5.0.1"
   },
   "devDependencies": {
-    "@rushstack/eslint-patch": "^1.3.3",
-    "@tsconfig/node18": "^18.2.2",
-    "@types/jsdom": "^21.1.3",
-    "@types/lodash-es": "^4.17.10",
-    "@types/node": "^18.17.17",
-    "@vitejs/plugin-vue": "^4.3.4",
-    "@vue/eslint-config-prettier": "^8.0.0",
-    "@vue/eslint-config-typescript": "^12.0.0",
-    "@vue/test-utils": "^2.4.1",
-    "@vue/tsconfig": "^0.4.0",
+    "@rushstack/eslint-patch": "^1.15.0",
+    "@tsconfig/node18": "^18.2.6",
+    "@types/jsdom": "^27.0.0",
+    "@types/lodash-es": "^4.17.12",
+    "@types/node": "^25.1.0",
+    "@vitejs/plugin-vue": "^6.0.3",
+    "@vue/eslint-config-prettier": "^10.2.0",
+    "@vue/eslint-config-typescript": "^14.6.0",
+    "@vue/test-utils": "^2.4.6",
+    "@vue/tsconfig": "^0.8.1",
     "babel-eslint": "^10.1.0",
-    "eslint": "^8.52.0",
-    "eslint-plugin-vue": "^9.18.1",
-    "jsdom": "^22.1.0",
-    "npm-run-all2": "^6.0.6",
-    "prettier": "^3.0.3",
-    "typescript": "~5.2.0",
-    "vite": "^4.4.9",
-    "vitest": "^0.34.4",
-    "vue-tsc": "^1.8.11"
+    "eslint": "^9.39.2",
+    "eslint-plugin-vue": "^10.7.0",
+    "jsdom": "^27.4.0",
+    "npm-run-all2": "^8.0.4",
+    "prettier": "^3.8.1",
+    "typescript": "~5.9.3",
+    "vite": "^7.3.1",
+    "vitest": "^4.0.18",
+    "vue-tsc": "^3.2.4"
   },
   "prettier": {
     "semi": false,

frontend/src/App.vue

@@ -1,14 +1,23 @@
 <template>
-  <LoginModal />
+  <div v-if="store.error && !store.authInProgress" class="toast-message" @click="store.error = ''">
+    {{ store.error }}
+  </div>
+  <SettingsModal />
+  <UserManagementModal />
+  <AccessDeniedModal />
   <header>
     <HeaderMain ref="headerMain" :path="path.pathList" :query="path.query">
       <HeaderSelected :path="path.pathList" />
     </HeaderMain>
-    <BreadCrumb :path="path.pathList" tabindex="-1"/>
+    <BreadCrumb :path="path.pathList" primary />
   </header>
   <main>
     <RouterView :path="path.pathList" :query="path.query" />
   </main>
+  <footer>
+    <TransferBar :status=store.uprogress @cancel=store.cancelUploads class=upload />
+    <TransferBar :status=store.dprogress @cancel=store.cancelDownloads class=download />
+  </footer>
 </template>
 
 <script setup lang="ts">
@@ -21,6 +30,10 @@ import { useMainStore } from '@/stores/main'
 
 import { computed } from 'vue'
 import Router from '@/router/index'
+import type { SortOrder } from './utils/docsort'
+import type SettingsModalVue from './components/SettingsModal.vue'
+import UserManagementModal from './components/UserManagementModal.vue'
+import AccessDeniedModal from './components/AccessDeniedModal.vue'
 
 interface Path {
   path: string
@@ -30,10 +43,10 @@ interface Path {
 const store = useMainStore()
 const path: ComputedRef<Path> = computed(() => {
   const p = decodeURIComponent(Router.currentRoute.value.path).split('//')
-  const pathList = p[0].split('/').filter(value => value !== '')
+  const pathList = (p[0] ?? '').split('/').filter(value => value !== '')
   const query = p.slice(1).join('//')
   return {
-    path: p[0],
+    path: p[0] ?? '',
     pathList,
     query
   }
@@ -48,70 +61,95 @@ const headerMain = ref<typeof HeaderMain | null>(null)
 let vert = 0
 let timer: any = null
 const globalShortcutHandler = (event: KeyboardEvent) => {
+  if (store.dialog) {
+    if (timer) {
+      clearTimeout(timer)
+      timer = null
+    }
+    return
+  }
   const fileExplorer = store.fileExplorer as any
   if (!fileExplorer) return
   const c = fileExplorer.isCursor()
+  const input = (event.target as HTMLElement).tagName === 'INPUT'
   const keyup = event.type === 'keyup'
   if (event.repeat) {
     if (
       event.key === 'ArrowUp' ||
       event.key === 'ArrowDown' ||
+      event.key === 'ArrowLeft' ||
+      event.key === 'ArrowRight' ||
       (c && event.code === 'Space')
     ) {
-      event.preventDefault()
+      if (!input) event.preventDefault()
     }
     return
   }
   //console.log("key pressed", event)
-  // For up/down implement custom fast repeat
-  if (event.key === 'ArrowUp') vert = keyup ? 0 : event.altKey ? -10 : -1
-  else if (event.key === 'ArrowDown') vert = keyup ? 0 : event.altKey ? 10 : 1
+  /// Long if-else machina for all keys we handle here
+  let arrow = ''
+  if (!input && event.key.startsWith("Arrow")) arrow = event.key.slice(5).toLowerCase()
   // Find: process on keydown so that we can bypass the built-in search hotkey
   else if (!keyup && event.key === 'f' && (event.ctrlKey || event.metaKey)) {
     headerMain.value!.toggleSearchInput()
   }
-  // Select all (toggle); keydown to prevent builtin
-  else if (!keyup && event.key === 'a' && (event.ctrlKey || event.metaKey)) {
+  // Search also on / (UNIX style)
+  else if (!input && keyup && event.key === '/') {
+    headerMain.value!.toggleSearchInput()
+  }
+  // Globally close search, clear errors on Escape
+  else if (keyup && event.key === 'Escape') {
+    store.error = ''
+    headerMain.value!.closeSearch(event)
+    store.focusBreadcrumb()
+  }
+  else if (!input && keyup && event.key === 'Backspace') {
+    Router.back()
+  }
+  // Select all (toggle); keydown to precede and prevent builtin
+  else if (!input && !keyup && event.key === 'a' && (event.ctrlKey || event.metaKey)) {
     fileExplorer.toggleSelectAll()
   }
-  // Keys 1-3 to sort columns
+  // G toggles Gallery
+  else if (!input && keyup && event.key === 'g') {
+    store.prefs.gallery = !store.prefs.gallery
+  }
+  // Keys Backquote-1-2-3 to sort columns
   else if (
-    c &&
+    !input &&
     keyup &&
-    (event.key === '1' || event.key === '2' || event.key === '3')
+    (event.code === 'Backquote' || event.key === '1' || event.key === '2' || event.key === '3')
   ) {
-    fileExplorer.toggleSortColumn(+event.key)
+    store.sort(['', 'name', 'modified', 'size'][+event.key || 0] as SortOrder)
   }
   // Rename
-  else if (c && keyup && !event.ctrlKey && (event.key === 'F2' || event.key === 'r')) {
+  else if (!input && c && keyup && !event.ctrlKey && (event.key === 'F2' || event.key === 'r')) {
     fileExplorer.cursorRename()
   }
   // Toggle selections on file explorer; ignore all spaces to prevent scrolling built-in hotkey
-  else if (c && event.code === 'Space') {
+  else if (!input && c && event.code === 'Space') {
     if (keyup && !event.altKey && !event.ctrlKey)
       fileExplorer.cursorSelect()
-  } else return
-  event.preventDefault()
-  if (!vert) {
-    if (timer) {
-      clearTimeout(timer) // Good for either timeout or interval
-      timer = null
-    }
-    return
   }
-  if (!timer) {
+  else return
+  /// We are handling this!
+  event.preventDefault()
+  if (timer) {
+    clearTimeout(timer) // Good for either timeout or interval
+    timer = null
+  }
+  let f: any
+  switch (arrow) {
+    case 'up': f = () => fileExplorer.up(event); break
+    case 'down': f = () => fileExplorer.down(event); break
+    case 'left': f = () => fileExplorer.left(event); break
+    case 'right': f = () => fileExplorer.right(event); break
+  }
+  if (f && !keyup) {
     // Initial move, then t0 delay until repeats at tr intervals
-    const select = event.shiftKey
-    fileExplorer.cursorMove(vert, select)
-    const t0 = 200,
-      tr = 30
-    timer = setTimeout(
-      () =>
-        (timer = setInterval(() => {
-          fileExplorer.cursorMove(vert, select)
-        }, tr)),
-      t0 - tr
-    )
+    const t0 = 200, tr = event.altKey ? 20 : 100
+    f()
+    timer = setTimeout(() => { timer = setInterval(f, tr) }, t0 - tr)
   }
 }
 onMounted(() => {
@@ -124,4 +162,23 @@ onUnmounted(() => {
 })
 export type { Path }
 </script>
-@/stores/main
+
+<style>
+/* Toast notifications - fixed at top center of viewport */
+.toast-message {
+  position: fixed;
+  top: 1rem;
+  left: 50%;
+  transform: translateX(-50%);
+  z-index: 2000;
+  padding: 0.75rem 1.5rem;
+  background: var(--accent-color);
+  color: #000;
+  font-weight: bold;
+  border-radius: 0.25rem;
+  box-shadow: 0 0.25rem 1rem rgba(0, 0, 0, 0.3);
+  cursor: pointer;
+  max-width: 90vw;
+  text-align: center;
+}
+</style>

frontend/src/assets/main.css

@@ -14,7 +14,7 @@
   /* The following are overridden by responsive layouts */
   --root-font-size: 1rem;
   --header-font-size: 1rem;
-  --header-height: calc(6.5 * var(--header-font-size));
+  --header-height: 4rem;
 }
 @media (prefers-color-scheme: dark) {
   :root {
@@ -37,12 +37,6 @@
   :root {
     --root-font-size: calc(8px + 8 * 100vw / 1000);
   }
-  header .buttons:has(input[type='search']) > div {
-    display: none;
-  }
-  header .buttons > div:has(input[type='search']) {
-    display: inherit;
-  }
 }
 @media screen and (min-width: 2000px) {
   :root {
@@ -54,6 +48,7 @@
   :root {
     --header-font-size: calc(10px + 10 * 100vh / 600);  /* 20px at 600px height */
     --root-font-size: 0.8rem;
+    --header-height: 2rem;
   }
   header .breadcrumb > * {
     padding-top: calc(8 + 8 * 100vh / 600) !important;
@@ -78,17 +73,13 @@
   }
   header {
     display: flex;
-    flex-direction: row-reverse;
     justify-content: space-between;
-    align-items: end;
   }
-  header .breadcrumb {
-    flex-shrink: 1;
-  }
-  header .breadcrumb > * {
-    flex-shrink: 1;
-    padding-top: 1rem !important;
-    padding-bottom: 1rem !important;
+  header .headermain { order: 1; }
+  header .breadcrumb { align-self: stretch; }
+  header .action-button {
+    width: 2em;
+    height: 2em;
   }
 }
 @media print {
@@ -98,10 +89,10 @@
     --header-background: none;
     --header-color: black;
   }
-  nav,
+  .headermain,
   .menu,
   .rename-button {
-    display: none;
+    display: none !important;
   }
   .breadcrumb > a {
     color: black !important;
@@ -116,16 +107,32 @@
   }
   .breadcrumb svg {
     fill: black !important;
+    margin: 0 .5rem 0 1rem !important;
+  }
+  body#app {
+    position: static !important;
+    height: auto !important;
   }
   main {
-    height: auto !important;
     padding-bottom: 0 !important;
   }
   thead tr {
+    font-size: 1rem !important;
     position: static !important;
     background: none !important;
     border-bottom: 1pt solid black !important;
   }
+  audio::-webkit-media-controls-timeline,
+  video::-webkit-media-controls-timeline {
+    display: none;
+  }
+  audio::-webkit-media-controls,
+  video::-webkit-media-controls {
+    display: none;
+  }
+  tr, figure {
+    page-break-inside: avoid;
+  }
   .selection {
     min-width: 0 !important;
     padding: 0 !important;
@@ -142,14 +149,13 @@
     left: 0;
   }
 }
+* {
+  box-sizing: border-box;
+}
 html {
   font-size: var(--root-font-size);
   overflow: hidden;
 }
-/* Hide scrollbar for all browsers */
-main::-webkit-scrollbar {
-  display: none;
-}
 main {
   -ms-overflow-style: none; /* IE and Edge */
   scrollbar-width: none; /* Firefox */
@@ -160,12 +166,18 @@ body {
   font-family: 'Roboto';
   color: var(--primary-color);
   margin: 0;
+  /* Prevent any scrolling on body */
+  overflow: hidden;
+  /* Fallback for older browsers */
+  height: 100vh;
+  height: 100dvh;
 }
 tbody .size,
 tbody .modified {
   font-family: 'Roboto Mono';
 }
 header {
+  flex: 0 0 auto;
   background-color: var(--header-background);
   color: var(--header-color);
   font-size: var(--header-font-size);
@@ -207,21 +219,25 @@ table {
   border: 0;
   gap: 0;
 }
-#app {
-  height: 100%;
+body#app {
+  position: fixed;
+  inset: 0;
   display: flex;
   flex-direction: column;
 }
+main {
+  flex: 1 1 auto;
+  min-height: 0; /* Allow flex child to shrink below content size */
+  padding-bottom: 3em; /* convenience space on the bottom */
+  overflow-y: scroll;
+  text-align: center;
+}
+
 header nav.headermain {
   /* Position so that tooltips can appear on top of other positioned elements */
   position: relative;
   z-index: 100;
 }
-main {
-  height: calc(100svh - var(--header-height));
-  padding-bottom: 3em; /* convenience space on the bottom */
-  overflow-y: scroll;
-}
 .spacer { flex-grow: 1 }
 .smallgap { flex-shrink: 1; width: 2em }
 
@@ -229,6 +245,7 @@ main {
   z-index: 101;
   content: attr(data-tooltip);
   position: absolute;
+  pointer-events: none;
   font-size: 1rem;
   text-align: center;
   padding: .5rem 1rem;
@@ -240,9 +257,6 @@ main {
   white-space: pre;
   animation: appearbriefly calc(10 * var(--transition-time)) linear forwards;
 }
-.modified [data-tooltip]:hover:after {
-  transform: translate(calc(1rem + 1ex + -100%), calc(-1.5rem + 100%));
-}
 @keyframes appearbriefly {
   from {
     opacity: 0;

frontend/src/assets/svg/index.ts

@@ -0,0 +1,137 @@
+// SVG icon index - all icons bundled together
+import AddFile from './add-file.svg'
+import AddFolder from './add-folder.svg'
+import Arrow from './arrow.svg'
+import ArrowsH from './arrows-h.svg'
+import ArrowsV from './arrows-v.svg'
+import Check from './check.svg'
+import Code from './code.svg'
+import Cog from './cog.svg'
+import Copy from './copy.svg'
+import CreateFile from './create-file.svg'
+import CreateFolder from './create-folder.svg'
+import Cross from './cross.svg'
+import Disk from './disk.svg'
+import Download from './download.svg'
+import Exclamation from './exclamation.svg'
+import Eye from './eye.svg'
+import Find from './find.svg'
+import Fullscreen from './fullscreen.svg'
+import Github from './github.svg'
+import Home from './home.svg'
+import Info from './info.svg'
+import Link from './link.svg'
+import Logo from './logo.svg'
+import Loop from './loop.svg'
+import Menu from './menu.svg'
+import Next from './next.svg'
+import Open from './open.svg'
+import Paste from './paste.svg'
+import Pause from './pause.svg'
+import Pencil from './pencil.svg'
+import Play from './play.svg'
+import Plus from './plus.svg'
+import Previous from './previous.svg'
+import Reload from './reload.svg'
+import Rename from './rename.svg'
+import Scissors from './scissors.svg'
+import Shuffle from './shuffle.svg'
+import Signin from './signin.svg'
+import Signout from './signout.svg'
+import Skip from './skip.svg'
+import Spinner from './spinner.svg'
+import Stop from './stop.svg'
+import Trash from './trash.svg'
+import Triangle from './triangle.svg'
+import Unfullscreen from './unfullscreen.svg'
+import UpArrow from './up-arrow.svg'
+import UploadCloud from './upload-cloud.svg'
+import UserCog from './user-cog.svg'
+import User from './user.svg'
+import VolumeHigh from './volume-high.svg'
+import VolumeLow from './volume-low.svg'
+import VolumeMedium from './volume-medium.svg'
+import VolumeMute from './volume-mute.svg'
+import WindowCross from './window-cross.svg'
+import Window from './window.svg'
+import Wordwrap from './wordwrap.svg'
+import Zoomin from './zoomin.svg'
+import Zoomout from './zoomout.svg'
+
+// Named exports for direct imports
+export {
+  AddFile, AddFolder, Arrow, ArrowsH, ArrowsV,
+  Check, Code, Cog, Copy, CreateFile, CreateFolder, Cross,
+  Disk, Download, Exclamation, Eye, Find, Fullscreen,
+  Github, Home, Info, Link, Logo, Loop, Menu,
+  Next, Open, Paste, Pause, Pencil, Play, Plus, Previous,
+  Reload, Rename, Scissors, Shuffle, Signin, Signout, Skip,
+  Spinner, Stop, Trash, Triangle, Unfullscreen, UpArrow,
+  UploadCloud, UserCog, User, VolumeHigh, VolumeLow,
+  VolumeMedium, VolumeMute, WindowCross, Window, Wordwrap,
+  Zoomin, Zoomout
+}
+
+// Icon lookup by kebab-case name (for SvgButton compatibility)
+export const icons = {
+  'add-file': AddFile,
+  'add-folder': AddFolder,
+  'arrow': Arrow,
+  'arrows-h': ArrowsH,
+  'arrows-v': ArrowsV,
+  'check': Check,
+  'code': Code,
+  'cog': Cog,
+  'copy': Copy,
+  'create-file': CreateFile,
+  'create-folder': CreateFolder,
+  'cross': Cross,
+  'disk': Disk,
+  'download': Download,
+  'exclamation': Exclamation,
+  'eye': Eye,
+  'find': Find,
+  'fullscreen': Fullscreen,
+  'github': Github,
+  'home': Home,
+  'info': Info,
+  'link': Link,
+  'logo': Logo,
+  'loop': Loop,
+  'menu': Menu,
+  'next': Next,
+  'open': Open,
+  'paste': Paste,
+  'pause': Pause,
+  'pencil': Pencil,
+  'play': Play,
+  'plus': Plus,
+  'previous': Previous,
+  'reload': Reload,
+  'rename': Rename,
+  'scissors': Scissors,
+  'shuffle': Shuffle,
+  'signin': Signin,
+  'signout': Signout,
+  'skip': Skip,
+  'spinner': Spinner,
+  'stop': Stop,
+  'trash': Trash,
+  'triangle': Triangle,
+  'unfullscreen': Unfullscreen,
+  'up-arrow': UpArrow,
+  'upload-cloud': UploadCloud,
+  'user-cog': UserCog,
+  'user': User,
+  'volume-high': VolumeHigh,
+  'volume-low': VolumeLow,
+  'volume-medium': VolumeMedium,
+  'volume-mute': VolumeMute,
+  'window-cross': WindowCross,
+  'window': Window,
+  'wordwrap': Wordwrap,
+  'zoomin': Zoomin,
+  'zoomout': Zoomout,
+} as const
+
+export type IconName = keyof typeof icons

frontend/src/components/AccessDeniedModal.vue

@@ -0,0 +1,46 @@
+<template>
+  <div v-if="store.dialog === 'accessdenied'" class="modal-overlay">
+    <div class="modal-dialog" id="accessdenied">
+      <div class="modal-content access-denied">
+        <p class="icon">⛔</p>
+        <p class="message">Access Denied</p>
+        <button @click="reload" class="button">Reload</button>
+      </div>
+    </div>
+  </div>
+</template>
+
+<script setup lang="ts">
+import { useMainStore } from '@/stores/main'
+import { holdGlobalBackdrop } from 'paskia'
+import { watchEffect } from 'vue'
+
+const store = useMainStore()
+
+const reload = () => {
+  location.reload()
+}
+
+// Keep backdrop active when this dialog shows
+watchEffect(() => {
+  if (store.dialog === 'accessdenied') {
+    holdGlobalBackdrop()
+  }
+})
+</script>
+
+<style scoped>
+.access-denied {
+  text-align: center;
+  padding: 2rem !important;
+}
+.access-denied .icon {
+  font-size: 4rem;
+  margin: 0 0 1rem 0;
+}
+.access-denied .message {
+  font-size: 1.5rem;
+  font-weight: bold;
+  margin: 0 0 1.5rem 0;
+}
+</style>

frontend/src/components/BreadCrumb.vue

@@ -2,14 +2,19 @@
   <nav
     class="breadcrumb"
     aria-label="Breadcrumb"
-    @keyup.left.stop="move(-1)"
-    @keyup.right.stop="move(1)"
+    @keydown.left.stop="move(-1)"
+    @keydown.right.stop="move(1)"
     @keyup.enter="move(0)"
+    @focus=focusCurrent
+    tabindex=0
   >
     <a href="#/"
       :ref="el => setLinkRef(0, el)"
+      class="home"
       :class="{ current: !!isCurrent(0) }"
       :aria-current="isCurrent(0)"
+      @click.prevent="navigate(0)"
+      title="/"
     >
       <component :is="home" />
     </a>
@@ -19,16 +24,19 @@
         :aria-current="isCurrent(index + 1)"
         @click.prevent="navigate(index + 1)"
         :ref="el => setLinkRef(index + 1, el)"
+        :title="`/${longest.slice(0, index + 1).join('/')}`"
       >{{ location }}</a>
     </template>
   </nav>
 </template>
 
 <script setup lang="ts">
-import home from '@/assets/svg/home.svg'
-import { onBeforeUpdate, ref, watchEffect } from 'vue'
+import { Home } from '@/assets/svg'
+import { nextTick, onBeforeUpdate, ref, watchEffect } from 'vue'
 import { useRouter } from 'vue-router'
+import { exists } from '@/utils/fileutil'
 
+const home = Home
 const router = useRouter()
 
 const links = [] as Array<HTMLElement>
@@ -37,22 +45,33 @@ onBeforeUpdate(() => { links.length = 1 })  // 1 to keep home
 
 const props = defineProps<{
   path: Array<string>
+  primary?: boolean
 }>()
 
 const longest = ref<Array<string>>([])
 
 const isCurrent = (index: number) => index == props.path.length ? 'location' : undefined
 
+const focusCurrent = () => {
+  nextTick(() => {
+    const index = props.path.length
+    if (index < links.length) links[index]!.focus()
+  })
+}
+
 const navigate = (index: number) => {
   const link = links[index]
   if (!link) throw Error(`No link at index ${index} (path: ${props.path})`)
-  const url = `/${longest.value.slice(0, index).join('/')}/`
-  const here = `/${longest.value.join('/')}/`
-  const current = decodeURIComponent(location.hash.slice(1).split('//')[0])
+  const url = index ? `/${longest.value.slice(0, index).join('/')}/` : '/'
+  const long = longest.value.length ? `/${longest.value.join('/')}/` : '/'
+  const browser = decodeURIComponent(location.hash.slice(1).split('//')[0] ?? '')
   const u = url.replaceAll('?', '%3F').replaceAll('#', '%23')
-  if (here.startsWith(current)) router.replace(u)
+  // Clicking on current link clears the rest of the path and adds new history
+  if (isCurrent(index)) { longest.value.splice(index); router.push(u) }
+  // Moving along breadcrumbs doesn't create new history
+  else if (long.startsWith(browser)) router.replace(u)
+  // Nornal navigation from elsewhere (e.g. search result breadcrumbs)
   else router.push(u)
-  link.focus()
 }
 
 const move = (dir: number) => {
@@ -64,13 +83,25 @@ const move = (dir: number) => {
 watchEffect(() => {
   const longcut = longest.value.slice(0, props.path.length)
   const same = longcut.every((value, index) => value === props.path[index])
+  // Navigated out of previous path, reset longest to current
   if (!same) longest.value = props.path
   else if (props.path.length > longcut.length) {
     longest.value = longcut.concat(props.path.slice(longcut.length))
   }
-})
-watchEffect(() => {
-  if (links.length) navigate(props.path.length)
+  else {
+    // Prune deleted folders from longest
+    for (let i = props.path.length; i < longest.value.length; ++i) {
+      if (!exists(longest.value.slice(0, i + 1))) {
+        longest.value = longest.value.slice(0, i)
+        break
+      }
+    }
+  }
+  // If needed, focus primary navigation to new location
+  if (props.primary) nextTick(() => {
+    const act = document.activeElement as HTMLElement
+    if (!act || [...links, document.body].includes(act)) focusCurrent()
+  })
 })
 </script>
 
@@ -85,31 +116,36 @@ watchEffect(() => {
   --breadcrumb-transtime: 0.3s;
 }
 .breadcrumb {
+  flex: 1 1 auto;
   display: flex;
-  list-style: none;
+  min-width: 20%;
+  max-width: 100%;
+  min-height: 2em;
   margin: 0;
   padding: 0 1em 0 0;
+  overflow: hidden;
 }
 .breadcrumb > a {
+  flex: 0 4 auto;
+  display: flex;
+  align-items: center;
   margin: 0 -0.5em 0 -0.5em;
   padding: 0;
-  max-width: 8em;
   white-space: nowrap;
   text-overflow: ellipsis;
   overflow: hidden;
-  height: 1.5em;
   color: var(--breadcrumb-color);
   padding: 0.3em 1.5em;
   clip-path: polygon(0 0, 1em 50%, 0 100%, 100% 100%, 100% 0, 0 0);
   transition: all var(--breadcrumb-transtime);
 }
-.breadcrumb a:first-child {
-  margin-left: 0;
-  padding-left: .2em;
+.breadcrumb > a:first-child {
+  flex: 0 0 auto;
+  padding-left: 1.5em;
+  padding-right: 1.7em;
   clip-path: none;
 }
-.breadcrumb a:last-child {
-  max-width: none;
+.breadcrumb > a:last-child {
   clip-path: polygon(
     0 0,
     calc(100% - 1em) 0,
@@ -120,7 +156,7 @@ watchEffect(() => {
     0 0
   );
 }
-.breadcrumb a:only-child {
+.breadcrumb > a:only-child {
   clip-path: polygon(
     0 0,
     calc(100% - 1em) 0,
@@ -132,9 +168,9 @@ watchEffect(() => {
 }
 .breadcrumb svg {
   /* FIXME: Custom positioning to align it well; needs proper solution */
-  padding-left: 0.8em;
   width: 1.3em;
   height: 1.3em;
+  margin: -.5em;
   fill: var(--breadcrumb-color);
   transition: fill var(--breadcrumb-transtime);
 }
@@ -154,6 +190,6 @@ watchEffect(() => {
 }
 .breadcrumb a:hover { color: var(--breadcrumb-hover-color) }
 .breadcrumb a:hover svg { fill: var(--breadcrumb-hover-color) }
-.breadcrumb a.current { color: var(--accent-color) }
+.breadcrumb a.current { color: var(--accent-color); max-width: none; flex: 0 1 auto; }
 .breadcrumb a.current svg { fill: var(--accent-color) }
 </style>

frontend/src/components/CursorTooltip.vue

@@ -0,0 +1,132 @@
+<template>
+  <Teleport to="body">
+    <div v-if="visible" class="cursor-tooltip" :style="tooltipStyle">
+      <slot></slot>
+    </div>
+  </Teleport>
+</template>
+
+<script lang="ts">
+// Global activation state - shared across all instances
+let globalActive = false
+let globalDeactivateTimer: ReturnType<typeof setTimeout> | null = null
+// Track if we've seen real mouse movement (not touch-simulated)
+let hasRealMouse = false
+</script>
+
+<script setup lang="ts">
+import { computed, ref } from 'vue'
+
+const props = defineProps<{
+  text: string
+  delay?: number
+}>()
+
+const visible = ref(false)
+const mouseX = ref(0)
+const mouseY = ref(0)
+let settleTimer: ReturnType<typeof setTimeout> | null = null
+let lastMoveX = 0
+let lastMoveY = 0
+
+// Movement threshold (pixels) - cursor must settle within this radius
+const SETTLE_THRESHOLD = 8
+
+const tooltipStyle = computed(() => ({
+  left: `${mouseX.value}px`,
+  top: `${mouseY.value}px`,
+}))
+
+// Check if the device likely has a real mouse (fine pointer)
+const hasFinePointer = () => window.matchMedia('(pointer: fine)').matches
+
+const showTooltip = () => {
+  visible.value = true
+  globalActive = true
+}
+
+const scheduleTooltip = () => {
+  if (settleTimer) clearTimeout(settleTimer)
+  if (globalDeactivateTimer) {
+    clearTimeout(globalDeactivateTimer)
+    globalDeactivateTimer = null
+  }
+  const delay = globalActive ? 0 : (props.delay ?? 900)
+  settleTimer = setTimeout(showTooltip, delay)
+}
+
+const startHover = (e: MouseEvent) => {
+  // Ignore touch events (no fine pointer and no confirmed real mouse)
+  if (!hasFinePointer() && !hasRealMouse) return
+
+  mouseX.value = e.clientX
+  mouseY.value = e.clientY
+  lastMoveX = e.clientX
+  lastMoveY = e.clientY
+}
+
+const updatePosition = (e: MouseEvent) => {
+  // Detect real mouse via movement (touch events don't generate continuous mousemove)
+  if (e.movementX !== 0 || e.movementY !== 0) hasRealMouse = true
+  if (!hasFinePointer() && !hasRealMouse) return
+
+  mouseX.value = e.clientX
+  mouseY.value = e.clientY
+
+  // If tooltip is already visible, just update position
+  if (visible.value) return
+
+  const dx = e.clientX - lastMoveX
+  const dy = e.clientY - lastMoveY
+  const distance = Math.sqrt(dx * dx + dy * dy)
+
+  // If cursor moved beyond threshold, reset settle timer
+  if (distance > SETTLE_THRESHOLD) {
+    lastMoveX = e.clientX
+    lastMoveY = e.clientY
+    if (settleTimer) {
+      clearTimeout(settleTimer)
+      settleTimer = null
+    }
+  }
+
+  // Schedule tooltip when cursor settles
+  if (!settleTimer) {
+    scheduleTooltip()
+  }
+}
+
+const endHover = () => {
+  if (settleTimer) {
+    clearTimeout(settleTimer)
+    settleTimer = null
+  }
+  visible.value = false
+  // Deactivate global state after a short delay if no new tooltip started
+  if (globalDeactivateTimer) clearTimeout(globalDeactivateTimer)
+  globalDeactivateTimer = setTimeout(() => {
+    globalActive = false
+  }, 400)
+}
+
+defineExpose({
+  startHover,
+  updatePosition,
+  endHover,
+})
+</script>
+
+<style scoped>
+.cursor-tooltip {
+  position: fixed;
+  z-index: 10000;
+  padding: .5rem 1rem;
+  border-radius: 3rem 0 3rem 0;
+  box-shadow: 0 0 1rem var(--accent-color);
+  background-color: var(--accent-color);
+  color: var(--primary-color);
+  white-space: nowrap;
+  pointer-events: none;
+  font-size: 1rem;
+}
+</style>

frontend/src/components/DownloadButton.vue

@@ -0,0 +1,177 @@
+<template>
+  <SvgButton name="download" data-tooltip="Download" @click="download" />
+</template>
+
+<script setup lang="ts">
+import { useMainStore } from '@/stores/main'
+import { apiFetch } from '@/repositories/Client'
+import type { SelectedItems } from '@/repositories/Document'
+import { reactive } from 'vue';
+
+const store = useMainStore()
+
+const status_init = {
+  total: 0,
+  xfer: 0,
+  t0: 0,
+  tlast: 0,
+  statbytes: 0,
+  statdur: 0,
+  files: [] as string[],
+  filestart: 0,
+  fileidx: 0,
+  filecount: 0,
+  filename: '',
+  filesize: 0,
+  filepos: 0,
+  status: 'idle',
+}
+store.dprogress = {...status_init}
+setInterval(() => {
+  if (Date.now() - store.dprogress.tlast > 3000) {
+    // Reset
+    store.dprogress.statbytes = 0
+    store.dprogress.statdur = 1
+  } else {
+    // Running average by decay
+    store.dprogress.statbytes *= .9
+    store.dprogress.statdur *= .9
+  }
+}, 100)
+const statReset = () => {
+  Object.assign(store.dprogress, status_init)
+  store.dprogress.t0 = Date.now()
+  store.dprogress.tlast = store.dprogress.t0 + 1
+}
+const cancelDownloads = () => {
+  location.reload()  // FIXME
+}
+
+
+const linkdl = (href: string) => {
+  const a = document.createElement('a')
+  a.href = href
+  a.download = ''
+  a.click()
+}
+
+const filesystemdl = async (sel: SelectedItems, handle: FileSystemDirectoryHandle) => {
+  let hdir = ''
+  let h = handle
+  console.log('Downloading to filesystem', sel.recursive)
+  for (const [rel, full, doc] of sel.recursive) {
+    if (doc.dir) continue
+    store.dprogress.files.push(rel)
+    ++store.dprogress.filecount
+    store.dprogress.total += doc.size
+  }
+  for (const [rel, full, doc] of sel.recursive) {
+    // Create any missing directories
+    if (hdir && !rel.startsWith(hdir + '/')) {
+      hdir = ''
+      h = handle
+    }
+    const r = rel.slice(hdir.length)
+    for (const dir of r.split('/').slice(0, doc.dir ? undefined : -1)) {
+      if (!dir) continue
+      hdir += `${dir}/`
+      try {
+        h = await h.getDirectoryHandle(dir.normalize('NFC'), { create: true })
+      } catch (error) {
+        console.error('Failed to create directory', hdir, error)
+        throw new Error(`Failed to create directory ${hdir}: ${error}`)
+      }
+      console.log('Created', hdir)
+    }
+    if (doc.dir) continue // Target was a folder and was created
+    const name = rel.split('/').pop()!.normalize('NFC')
+    // Download file
+    let fileHandle
+    try {
+      fileHandle = await h.getFileHandle(name, { create: true })
+    } catch (error) {
+      console.error('Failed to create file', rel, full, hdir + name, error)
+      throw new Error(`Failed to create file ${hdir + name}: ${error}`)
+    }
+    try {
+      const writable = await fileHandle.createWritable()
+      const url = `/files/${rel}`
+      console.log('Fetching', url)
+      const res = await apiFetch(url)
+      if (!res.ok) {
+        store.error = `Failed to download ${url}: ${res.status} ${res.statusText}`
+        throw new Error(`Failed to download ${url}: ${res.status} ${res.statusText}`)
+      }
+      if (res.body) {
+        ++store.dprogress.fileidx
+        const reader = res.body.getReader()
+        await writable.truncate(0)
+        store.error = "Direct download."
+        store.dprogress.tlast = Date.now()
+        while (true) {
+          const { value, done } = await reader.read()
+          if (done) break
+          await writable.write(value)
+          const now = Date.now()
+          const size = value.byteLength
+          store.dprogress.xfer += size
+          store.dprogress.filepos += size
+          store.dprogress.statbytes += size
+          store.dprogress.statdur += now - store.dprogress.tlast
+          store.dprogress.tlast = now
+        }
+      }
+      await writable.close()
+      console.log('Saved', hdir + name)
+    } catch (error) {
+      console.error('Failed to write file', hdir + name, error)
+      throw new Error(`Failed to write file ${hdir + name}: ${error}`)
+    }
+  }
+  statReset()
+}
+
+const download = async () => {
+  const sel = store.selectedFiles
+  console.log('Download', sel)
+  if (sel.keys.length === 0) {
+    console.warn('Attempted download but no files found. Missing selected keys:', sel.missing)
+    store.error = 'No existing files selected'
+    store.selected.clear()
+    return
+  }
+  // Plain old a href download if only one file (ignoring any folders)
+  const files = sel.recursive.filter(([rel, full, doc]) => !doc.dir)
+  if (files.length === 1) {
+    store.selected.clear()
+    store.error = "Single file via browser downloads"
+    return linkdl(`/files/${files[0]![1]}`)
+  }
+  // Use FileSystem API if multiple files and the browser supports it
+  if ('showDirectoryPicker' in window) {
+    try {
+      // @ts-ignore
+      const handle = await window.showDirectoryPicker({
+        startIn: 'downloads',
+        mode: 'readwrite'
+      })
+      await filesystemdl(sel, handle)
+      store.selected.clear()
+      return
+    } catch (e) {
+      console.error('Download to folder aborted', e)
+    }
+  }
+  // Otherwise, zip and download
+  console.log("Falling back to zip download")
+  const name = sel.keys.length === 1 ? sel.docs[sel.keys[0]!]!.name : 'download'
+  linkdl(`/zip/${Array.from(sel.keys).join('+')}/${name}.zip`)
+  store.error = "Downloading as ZIP via browser downloads"
+  store.selected.clear()
+}
+
+</script>
+
+<style scoped>
+
+</style>

frontend/src/components/EmptyFolder.vue

@@ -0,0 +1,42 @@
+<template>
+  <div v-if="!props.path || documents.length === 0" class="empty-container">
+    <component :is="cog" :class="['cog', { stopped: store.dialog === 'accessdenied' || store.authInProgress }]"/>
+    <p v-if="store.dialog === 'accessdenied'">Access Denied</p>
+    <p v-else-if="!store.connected">No Connection</p>
+    <p v-else-if="store.document.length === 0">Waiting for File List</p>
+    <p v-else-if="store.query">No matches!</p>
+    <p v-else-if="!exists(props.path)">Folder not found</p>
+    <p v-else>Empty folder</p>
+  </div>
+</template>
+
+<script setup lang="ts">
+import { useMainStore } from '@/stores/main'
+import { Cog } from '@/assets/svg'
+import { exists } from '@/utils/fileutil'
+
+const cog = Cog
+const store = useMainStore()
+const props = defineProps<{
+  path: string[],
+  documents: Document[],
+}>()
+</script>
+
+<style scoped>
+@keyframes rotate {
+  0% { transform: rotate(0deg); }
+  100% { transform: rotate(360deg); }
+}
+svg.cog {
+  width: 10rem;
+  height: 10rem;
+  margin: 0 auto;
+  animation: rotate 10s linear infinite;
+  filter: drop-shadow(0 0 1rem black);
+  fill: #888;
+}
+svg.cog.stopped {
+  animation: none;
+}
+</style>

frontend/src/components/FileExplorer.vue

@@ -17,7 +17,7 @@
         <td class="name">
           <FileRenameInput :doc="editing" :rename="mkdir" :exit="() => {editing = null}" />
         </td>
-        <FileModified :doc=editing :key=nowkey />
+        <FileModified :doc=editing :now=nowkey />
         <FileSize :doc=editing />
         <td class="menu"></td>
       </tr>
@@ -28,11 +28,11 @@
 
         <tr
           :id="`file-${doc.key}`"
-          :class="{ file: !doc.dir, folder: doc.dir, cursor: cursor === doc }"
-          @click="cursor = cursor === doc ? null : doc"
+          :class="{ file: !doc.dir, folder: doc.dir, cursor: store.cursor === doc.key }"
+          @click="store.cursor = store.cursor === doc.key ? '' : doc.key"
           @contextmenu.prevent="contextMenu($event, doc)"
         >
-          <td class="selection" @click.up.stop="cursor = cursor === doc ? doc : null">
+          <td class="selection" @click.up.stop="store.cursor = store.cursor === doc.key ? doc.key : ''">
             <input
               type="checkbox"
               tabindex="-1"
@@ -49,22 +49,16 @@
               <FileRenameInput :doc="doc" :rename="rename" :exit="() => {editing = null}" />
             </template>
             <template v-else>
-              <a
-                :href="doc.url"
-                tabindex="-1"
-                @contextmenu.prevent
-                @focus.stop="cursor = doc"
-                @keyup.left="router.back()"
-                @keyup.right.stop="ev => { if (doc.dir) (ev.target as HTMLElement).click() }"
-                >{{ doc.name }}</a
-              >
-              <button v-if="cursor == doc" class="rename-button" @click="() => (editing = doc)">🖊️</button>
+              <a :href=doc.url tabindex=-1 @contextmenu.stop @focus.stop="store.cursor = doc.key">
+                {{ doc.name }}
+              </a>
+              <button tabindex=-1 v-if="store.cursor == doc.key" class="rename-button" @click="() => (editing = doc)">🖊️</button>
             </template>
           </td>
-          <FileModified :doc=doc :key=nowkey />
+          <FileModified :doc=doc :now=nowkey />
           <FileSize :doc=doc />
           <td class="menu">
-            <button tabindex="-1" @click.stop="contextMenu($event, doc)">⋮</button>
+            <button tabindex=-1 @click.stop="contextMenu($event, doc)">⋮</button>
           </td>
         </tr>
       </template>
@@ -75,7 +69,6 @@
       </tr>
     </tbody>
   </table>
-  <div v-else class="empty-container">Nothing to see here</div>
 </template>
 
 <script setup lang="ts">
@@ -87,7 +80,6 @@ import { connect, controlUrl } from '@/repositories/WS'
 import { formatSize } from '@/utils'
 import { useRouter } from 'vue-router'
 import ContextMenu from '@imengyu/vue3-context-menu'
-import type { SortOrder } from '@/utils/docsort'
 
 const props = defineProps<{
   path: Array<string>
@@ -95,7 +87,6 @@ const props = defineProps<{
 }>()
 const store = useMainStore()
 const router = useRouter()
-const cursor = shallowRef<Doc | null>(null)
 // File rename
 const editing = shallowRef<Doc | null>(null)
 const rename = (doc: Doc, newName: string) => {
@@ -124,6 +115,7 @@ const rename = (doc: Doc, newName: string) => {
 }
 defineExpose({
   newFolder() {
+    console.log("New folder")
     const now = Math.floor(Date.now() / 1000)
     editing.value = new Doc({
       loc: loc.value,
@@ -133,52 +125,57 @@ defineExpose({
       mtime: now,
       size: 0,
     })
+    store.cursor = editing.value.key
   },
   toggleSelectAll() {
     console.log('Select')
     allSelected.value = !allSelected.value
   },
-  toggleSortColumn(column: number) {
-    const order = ['', 'name', 'modified', 'size', ''][column]
-    if (order) store.toggleSort(order as SortOrder)
-  },
   isCursor() {
-    return cursor.value !== null && editing.value === null
+    return store.cursor && editing.value === null
   },
   cursorRename() {
-    editing.value = cursor.value
+    editing.value = props.documents.find(doc => doc.key === store.cursor) ?? null
   },
   cursorSelect() {
-    const doc = cursor.value
-    if (!doc) return
-    if (store.selected.has(doc.key)) {
-      store.selected.delete(doc.key)
+    const key = store.cursor
+    if (!key) return
+    if (store.selected.has(key)) {
+      store.selected.delete(key)
     } else {
-      store.selected.add(doc.key)
+      store.selected.add(key)
     }
-    this.cursorMove(1)
+    this.cursorMove(1, null)
   },
-  cursorMove(d: number, select = false) {
+  up(ev: KeyboardEvent) { this.cursorMove(-1, ev) },
+  down(ev: KeyboardEvent) { this.cursorMove(1, ev) },
+  left(ev: KeyboardEvent) { router.back() },
+  right(ev: KeyboardEvent) {
+    const a = document.querySelector(`#file-${store.cursor} a`) as HTMLAnchorElement | null
+    if (a) a.click()
+  },
+  cursorMove(d: number, ev: KeyboardEvent | null) {
+    const select = !!ev?.shiftKey
     // Move cursor up or down (keyboard navigation)
     const docs = props.documents
     if (docs.length === 0) {
-      cursor.value = null
+      store.cursor = ''
       return
     }
     const N = docs.length
     const mod = (a: number, b: number) => ((a % b) + b) % b
     const increment = (i: number, d: number) => mod(i + d, N + 1)
     const index =
-      cursor.value !== null ? docs.indexOf(cursor.value) : docs.length
+      store.cursor ? docs.findIndex(doc => doc.key === store.cursor) : docs.length
     const moveto = increment(index, d)
-    cursor.value = docs[moveto] ?? null
-    const tr = cursor.value ? document.getElementById(`file-${cursor.value.key}`) : null
+    store.cursor = docs[moveto]?.key ?? ''
+    const tr = store.cursor ? document.getElementById(`file-${store.cursor}`) : ''
     if (select) {
       // Go forwards, possibly wrapping over the end; the last entry is not toggled
       let [begin, end] = d > 0 ? [index, moveto] : [moveto, index]
       for (let p = begin; p !== end; p = increment(p, 1)) {
         if (p === N) continue
-        const key = docs[p].key
+        const key = docs[p]!.key
         if (store.selected.has(key)) store.selected.delete(key)
         else store.selected.add(key)
       }
@@ -202,18 +199,18 @@ const focusBreadcrumb = () => {
 let scrolltimer: any = null
 let scrolltr: any = null
 watchEffect(() => {
-  if (cursor.value && cursor.value !== editing.value) editing.value = null
-  if (editing.value) cursor.value = editing.value
-  if (cursor.value) {
+  if (store.cursor && store.cursor !== editing.value?.key) editing.value = null
+  if (editing.value) store.cursor = editing.value?.key
+  if (store.cursor) {
     const a = document.querySelector(
-      `#file-${cursor.value.key} .name a`
+      `#file-${store.cursor} .name a`
     ) as HTMLAnchorElement | null
     if (a) a.focus()
   }
 })
 watchEffect(() => {
-  if (!props.documents.length && cursor.value) {
-    cursor.value = null
+  if (!props.documents.length && store.cursor) {
+    store.cursor = ''
     focusBreadcrumb()
   }
 })
@@ -222,7 +219,14 @@ let modifiedTimer: any = null
 const updateModified = () => {
   nowkey.value = Math.floor(Date.now() / 1000)
 }
-onMounted(() => { updateModified(); modifiedTimer = setInterval(updateModified, 1000) })
+onMounted(() => {
+  updateModified(); modifiedTimer = setInterval(updateModified, 1000)
+  const active = document.querySelector('.cursor') as HTMLElement | null
+  if (active) {
+    active.scrollIntoView({ block: 'center', behavior: 'instant' })
+    active.focus()
+  }
+})
 onUnmounted(() => { clearInterval(modifiedTimer) })
 const mkdir = (doc: Doc, name: string) => {
   const control = connect(controlUrl, {
@@ -251,8 +255,8 @@ const mkdir = (doc: Doc, name: string) => {
 }
 const showFolderBreadcrumb = (i: number) => {
   const docs = props.documents
-  const docloc = docs[i].loc
-  return i === 0 ? docloc !== loc.value : docloc !== docs[i - 1].loc
+  const docloc = docs[i]!.loc
+  return i === 0 ? docloc !== loc.value : docloc !== docs[i - 1]!.loc
 }
 const selectionIndeterminate = computed({
   get: () => {
@@ -287,7 +291,7 @@ const allSelected = computed({
 const loc = computed(() => props.path.join('/'))
 
 const contextMenu = (ev: MouseEvent, doc: Doc) => {
-  cursor.value = doc
+  store.cursor = doc.key
   ContextMenu.showContextMenu({
     x: ev.x, y: ev.y, items: [
       { label: 'Rename', onClick: () => { editing.value = doc } },
@@ -310,29 +314,36 @@ tbody tr {
   position: relative;
   z-index: auto;
 }
-table thead input[type='checkbox'] {
+table thead .selection input[type='checkbox'] {
   position: inherit;
-  width: 1em;
-  height: 1em;
-  padding: 0.5rem 0.5em;
+  width: 1rem;
+  height: 1rem;
+  padding: 0;
+  margin: auto;
 }
-table tbody input[type='checkbox'] {
+table tbody .selection input[type='checkbox'] {
   width: 2rem;
   height: 2rem;
 }
 table .selection {
-  width: 2rem;
+  width: 3rem;
   text-align: center;
   text-overflow: clip;
+  padding: 0;
+}
+table .selection input {
+  margin: auto;
 }
 table .modified {
-  width: 9em;
+  width: 10rem;
+  text-overflow: clip;
 }
 table .size {
-  width: 5em;
+  width: 7rem;
+  text-overflow: clip;
 }
 table .menu {
-  width: 1rem;
+  width: 2rem;
 }
 tbody td {
   font-size: 1.2rem;
@@ -367,7 +378,7 @@ table td {
   }
 }
 thead tr {
-  font-size: var(--header-font-size);
+  font-size: 0.8rem;
   background: linear-gradient(to bottom, #eee, #fff 30%, #ddd);
   color: #000;
   box-shadow: 0 0 .2rem black;
@@ -388,9 +399,11 @@ tbody tr.cursor {
   padding-right: 1.5rem;
 }
 .sortcolumn::after {
+  font-size: 1rem;
   content: '▸';
   color: #888;
-  margin-left: 0.5em;
+  margin-left: 0.5rem;
+  margin-top: -.2rem;
   position: absolute;
   transition: all var(--transition-time) linear;
 }

frontend/src/components/FileModified.vue

@@ -1,22 +1,39 @@
 <template>
   <td class="modified right">
-    <time :data-tooltip=tooltip :datetime=datetime>{{ doc.modified }}</time>
+    <time
+      :datetime=datetime
+      @mouseenter="tooltip?.startHover"
+      @mousemove="tooltip?.updatePosition"
+      @mouseleave="tooltip?.endHover"
+    >{{ modified }}</time>
+    <CursorTooltip ref="tooltip" :text="tooltipText">{{ tooltipText }}</CursorTooltip>
   </td>
 </template>
 
 <script setup lang="ts">
 import { Doc } from '@/repositories/Document'
-import { computed } from 'vue'
+import { formatUnixDate } from '@/utils'
+import { computed, ref } from 'vue'
+import CursorTooltip from './CursorTooltip.vue'
+
+const props = defineProps<{
+    doc: Doc
+    now: number
+}>()
+
+const tooltip = ref<InstanceType<typeof CursorTooltip> | null>(null)
+
+// Reference props.now to trigger reactivity when time updates
+const modified = computed(() => {
+  props.now  // trigger reactivity
+  return formatUnixDate(props.doc.mtime)
+})
 
 const datetime = computed(() =>
   new Date(1000 * props.doc.mtime).toISOString().replace('.000Z', 'Z')
 )
 
-const tooltip = computed(() =>
-  datetime.value.replace('T', '\n').replace('Z', ' UTC')
+const tooltipText = computed(() =>
+  datetime.value.replace('T', ' ').replace('Z', ' UTC')
 )
-
-const props = defineProps<{
-    doc: Doc
-}>()
 </script>

frontend/src/components/FileRenameInput.vue

@@ -56,4 +56,10 @@ input#FileRenameInput {
   outline: none;
   font: inherit;
 }
+.gallery input#FileRenameInput {
+  padding: .75em;
+  font-weight: 600;
+  width: auto;
+}
+
 </style>

frontend/src/components/FileSize.vue

@@ -7,7 +7,7 @@ import { Doc } from '@/repositories/Document'
 import { computed } from 'vue'
 
 const sizeClass = computed(() => {
-  const unit = props.doc.sizedisp.split('\u202F').slice(-1)[0]
+  const unit = props.doc.sizedisp.split('\u202F').slice(-1)[0]!
   return +unit ? "bytes" : unit
 })
 

frontend/src/components/Gallery.vue

@@ -0,0 +1,274 @@
+<template>
+  <div v-if="props.documents.length || editing" class="gallery" ref="gallery">
+    <GalleryFigure v-if="editing?.key === 'new'" :doc="editing" :key=editing.key :editing="{rename: mkdir, exit}" />
+    <template v-for="(doc, index) in documents" :key=doc.key>
+      <BreadCrumb v-if="showFolderBreadcrumb(index)" :path="doc.loc ? doc.loc.split('/') : []" class="folder-indicator"/>
+      <GalleryFigure :doc=doc :editing="editing === doc ? {rename, exit} : null" @menu="contextMenu($event, doc)" :class="{ 'folder-start': showFolderBreadcrumb(index) }" />
+    </template>
+  </div>
+</template>
+
+<script setup lang="ts">
+import { ref, computed, watchEffect, shallowRef, onMounted, onUnmounted } from 'vue'
+import { useMainStore } from '@/stores/main'
+import { Doc } from '@/repositories/Document'
+import { connect, controlUrl } from '@/repositories/WS'
+import { useRouter } from 'vue-router'
+import ContextMenu from '@imengyu/vue3-context-menu'
+import type { SortOrder } from '@/utils/docsort'
+
+const props = defineProps<{
+  path: Array<string>
+  documents: Doc[]
+}>()
+const store = useMainStore()
+const router = useRouter()
+// File rename
+const editing = shallowRef<Doc | null>(null)
+const exit = () => { editing.value = null }
+const rename = (doc: Doc, newName: string) => {
+  const oldName = doc.name
+  const control = connect(controlUrl, {
+    message(ev: MessageEvent) {
+      const msg = JSON.parse(ev.data)
+      if ('error' in msg) {
+        console.error('Rename failed', msg.error.message, msg.error)
+        doc.name = oldName
+      } else {
+        console.log('Rename succeeded', msg)
+      }
+    }
+  })
+  control.onopen = () => {
+    control.send(
+      JSON.stringify({
+        op: 'rename',
+        path: `${doc.loc}/${oldName}`,
+        to: newName
+      })
+    )
+  }
+  doc.name = newName // We should get an update from watch but this is quicker
+}
+const gallery = ref<HTMLElement>()
+const columnCount = ref(1)
+const updateColumns = () => {
+  if (!gallery.value) return
+  columnCount.value = getComputedStyle(gallery.value).gridTemplateColumns.split(' ').length
+}
+const columns = computed(() => columnCount.value)
+defineExpose({
+  newFolder() {
+    const now = Math.floor(Date.now() / 1000)
+    editing.value = new Doc({
+      loc: loc.value,
+      key: 'new',
+      name: 'New Folder',
+      dir: true,
+      mtime: now,
+      size: 0,
+    })
+    store.cursor = editing.value.key
+  },
+  toggleSelectAll() {
+    console.log('Select')
+    allSelected.value = !allSelected.value
+  },
+  toggleSortColumn(column: number) {
+    const order = ['', 'name', 'modified', 'size', ''][column]
+    if (order) store.toggleSort(order as SortOrder)
+  },
+  isCursor() {
+    return store.cursor && editing.value === null
+  },
+  cursorRename() {
+    editing.value = props.documents.find(doc => doc.key === store.cursor) ?? null
+  },
+  cursorSelect() {
+    const key = store.cursor
+    if (!key) return
+    if (store.selected.has(key)) {
+      store.selected.delete(key)
+    } else {
+      store.selected.add(key)
+    }
+    this.cursorMove(1, null)
+  },
+  up(ev: KeyboardEvent) { this.cursorMove(-columns.value, ev) },
+  down(ev: KeyboardEvent) { this.cursorMove(columns.value, ev) },
+  left(ev: KeyboardEvent) { this.cursorMove(-1, ev) },
+  right(ev: KeyboardEvent) { this.cursorMove(1, ev) },
+  cursorMove(d: number, ev: KeyboardEvent | null) {
+    const select = !!ev?.shiftKey
+    // Move cursor up or down (keyboard navigation)
+    const docs = props.documents
+    if (docs.length === 0) {
+      store.cursor = ''
+      return
+    }
+    const N = docs.length
+    const mod = (a: number, b: number) => ((a % b) + b) % b
+    const increment = (i: number, d: number) => mod(i + d, N + 1)
+    const index =
+      store.cursor ? docs.findIndex(doc => doc.key === store.cursor) : N
+    // Stop navigation sideways away from the grid (only with up/down)
+    if (ev && index === 0 && ev.key === "ArrowLeft") return
+    if (ev && index === N - 1 && ev.key === "ArrowRight") return
+    // Calculate new position
+    let moveto
+    if (index === N) moveto = d > 0 ? 0 : N - 1
+    else {
+      moveto = increment(index, d)
+      // Wrapping either end, just land outside the list
+      if (Math.abs(d) >= N || Math.sign(d) !== Math.sign(moveto - index)) moveto = N
+    }
+    store.cursor = docs[moveto]?.key ?? ''
+    const tr = store.cursor ? document.getElementById(`file-${store.cursor}`) : ''
+    if (select) {
+      // Go forwards, possibly wrapping over the end; the last entry is not toggled
+      let [begin, end] = d > 0 ? [index, moveto] : [moveto, index]
+      for (let p = begin; p !== end; p = increment(p, 1)) {
+        if (p === N) continue
+        const key = docs[p]!.key
+        if (store.selected.has(key)) store.selected.delete(key)
+        else store.selected.add(key)
+      }
+    }
+    // @ts-ignore
+    scrolltr = tr
+    if (!scrolltimer) {
+      scrolltimer = setTimeout(() => {
+        if (scrolltr)
+          scrolltr.scrollIntoView({ block: 'center', behavior: 'smooth' })
+        scrolltimer = null
+      }, 300)
+    }
+    if (moveto === N) focusBreadcrumb()
+  }
+})
+const focusBreadcrumb = () => {
+  const el = document.querySelector('.breadcrumb') as HTMLElement | null
+  if (el) el.focus()
+}
+let scrolltimer: any = null
+let scrolltr: any = null
+watchEffect(() => {
+  if (store.cursor && store.cursor !== editing.value?.key) editing.value = null
+  if (editing.value) store.cursor = editing.value.key
+  if (store.cursor) {
+    const a = document.querySelector(`#file-${store.cursor}`) as HTMLAnchorElement | null
+    if (a) { a.focus(); a.scrollIntoView({ block: 'center', behavior: 'smooth' }) }
+  }
+})
+watchEffect(() => {
+  if (!props.documents.length && store.cursor) {
+    store.cursor = ''
+    focusBreadcrumb()
+  }
+})
+let resizeObserver: ResizeObserver | null = null
+onMounted(() => {
+  const active = document.querySelector('.cursor') as HTMLElement | null
+  if (active) {
+    active.scrollIntoView({ block: 'center', behavior: 'instant' })
+    active.focus()
+  }
+  updateColumns()
+  if (gallery.value) {
+    resizeObserver = new ResizeObserver(updateColumns)
+    resizeObserver.observe(gallery.value)
+  }
+})
+onUnmounted(() => {
+  resizeObserver?.disconnect()
+})
+const mkdir = (doc: Doc, name: string) => {
+  const control = connect(controlUrl, {
+    open() {
+      control.send(
+        JSON.stringify({
+          op: 'mkdir',
+          path: `${doc.loc}/${name}`
+        })
+      )
+    },
+    message(ev: MessageEvent) {
+      const msg = JSON.parse(ev.data)
+      if ('error' in msg) {
+        console.error('Mkdir failed', msg.error.message, msg.error)
+        editing.value = null
+      } else {
+        console.log('mkdir', msg)
+        router.push(doc.urlrouter)
+      }
+    }
+  })
+  // We should get an update from watch but this is quicker
+  doc.name = name
+  doc.key = crypto.randomUUID()
+}
+const showFolderBreadcrumb = (i: number) => {
+  const docs = props.documents
+  const docloc = docs[i]!.loc
+  return i === 0 ? docloc !== loc.value : docloc !== docs[i - 1]!.loc
+}
+
+
+const selectionIndeterminate = computed({
+  get: () => {
+    return (
+      props.documents.length > 0 &&
+      props.documents.some((doc: Doc) => store.selected.has(doc.key)) &&
+      !allSelected.value
+    )
+  },
+  // eslint-disable-next-line @typescript-eslint/no-unused-vars
+  set: (value: boolean) => {}
+})
+const allSelected = computed({
+  get: () => {
+    return (
+      props.documents.length > 0 &&
+      props.documents.every((doc: Doc) => store.selected.has(doc.key))
+    )
+  },
+  set: (value: boolean) => {
+    console.log('Setting allSelected', value)
+    for (const doc of props.documents) {
+      if (value) {
+        store.selected.add(doc.key)
+      } else {
+        store.selected.delete(doc.key)
+      }
+    }
+  }
+})
+
+const loc = computed(() => props.path.join('/'))
+
+const contextMenu = (ev: MouseEvent, doc: Doc) => {
+  store.cursor = doc.key
+  ContextMenu.showContextMenu({
+    x: ev.x, y: ev.y, items: [
+      { label: 'Rename', onClick: () => { editing.value = doc } },
+    ],
+  })
+}
+</script>
+
+<style scoped>
+.gallery {
+  padding: 1em;
+  width: 100%;
+  display: grid;
+  gap: .5em;
+  grid-template-columns: repeat(auto-fill, minmax(15em, 1fr));
+  align-items: end;
+}
+.folder-indicator {
+  grid-column: 1 / -1;
+}
+.folder-start {
+  grid-column-start: 1;
+}
+</style>

frontend/src/components/GalleryFigure.vue

@@ -0,0 +1,130 @@
+<template>
+  <a :id="`file-${doc.key}`" :href=doc.url tabindex=-1
+    :class="{ file: !doc.dir, folder: doc.dir, cursor: store.cursor === doc.key }"
+    @contextmenu.stop
+    @focus.stop="store.cursor = doc.key"
+    @click=onclick
+    @mouseenter="tooltip?.startHover"
+    @mousemove="tooltip?.updatePosition"
+    @mouseleave="tooltip?.endHover"
+  >
+    <figure>
+      <slot></slot>
+      <MediaPreview ref=m :doc="doc" tabindex=-1 quality="sz=512" class="figcontent" />
+      <div class="titlespacer"></div>
+      <figcaption @click.prevent @contextmenu.prevent="$emit('menu', $event)">
+        <template v-if="editing">
+          <FileRenameInput :doc=doc :rename=editing.rename :exit=editing.exit />
+        </template>
+        <template v-else>
+          <SelectBox :doc=doc @click="store.cursor = doc.key"/>
+          <span>{{ doc.name }}</span>
+          <div class=namespacer></div>
+        </template>
+      </figcaption>
+    </figure>
+    <CursorTooltip ref="tooltip" :text="tooltipText">
+      <div class="tooltip-name">{{ doc.name }}</div>
+      <div class="tooltip-details">{{ doc.modified }} — {{ doc.sizedisp }}</div>
+    </CursorTooltip>
+  </a>
+</template>
+
+<script setup lang=ts>
+import { ref, computed } from 'vue'
+import { useMainStore } from '@/stores/main'
+import { Doc } from '@/repositories/Document'
+import MediaPreview from '@/components/MediaPreview.vue'
+import CursorTooltip from './CursorTooltip.vue'
+
+const store = useMainStore()
+type EditingProp = {
+  rename: (name: string) => void;
+  exit: () => void;
+}
+
+const props = defineProps<{
+  doc: Doc,
+  editing?: EditingProp,
+}>()
+const m = ref<typeof MediaPreview | null>(null)
+const tooltip = ref<InstanceType<typeof CursorTooltip> | null>(null)
+
+const tooltipText = computed(() => props.doc.key)
+
+const onclick = (ev: Event) => {
+  if (m.value!.play()) ev.preventDefault()
+  store.cursor = props.doc.key
+}
+</script>
+
+<style scoped>
+.tooltip-name {
+  font-weight: 600;
+  text-align: center;
+}
+.tooltip-details {
+  text-align: center;
+}
+figure {
+  max-height: 15em;
+  position: relative;
+  border-radius: .5em;
+  overflow: hidden;
+  margin: 0;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  overflow: hidden;
+}
+figure > article {
+  flex: 0 0 auto;
+}
+figure :deep(.video-container) {
+  height: 15em;
+}
+.titlespacer {
+  flex-shrink: 100000;
+  width: 100%;
+  height: 2em;
+}
+figcaption {
+  position: absolute;
+  overflow: hidden;
+  bottom: 0;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  width: 100%;
+}
+figcaption input[type='checkbox'] {
+  width: 1.5em;
+  height: 1.5em;
+  margin: .25em 0 .25em .25em;
+  opacity: 0;
+  flex-shrink: 0;
+  transition: opacity var(--transition-time) ease-in-out;
+}
+figcaption input[type='checkbox']:checked, figcaption:hover input[type='checkbox'] {
+  opacity: 1;
+}
+figcaption span {
+  cursor: default;
+  padding: .5em;
+  color: #fff;
+  font-weight: 600;
+  text-shadow: 0 0 .2em #000, 0 0 .2em #000;
+  text-wrap: nowrap;
+  text-overflow: ellipsis;
+  overflow: hidden;
+}
+.cursor figcaption span {
+  color: var(--accent-color);
+}
+figcaption .namespacer {
+  flex-shrink: 100000;
+  height: 2em;
+  width: 2em;
+}
+</style>

frontend/src/components/HeaderMain.vue

@@ -1,45 +1,44 @@
 <template>
-  <nav class="headermain">
-    <div class="buttons">
-      <template v-if="store.error">
-        <div class="error-message" @click="store.error = ''">{{ store.error }}</div>
-        <div class="smallgap"></div>
-      </template>
-      <UploadButton :path="props.path" />
-      <SvgButton
-        name="create-folder"
-        data-tooltip="New folder"
-        @click="() => store.fileExplorer!.newFolder()"
+  <nav class="headermain buttons">
+    <UploadButton :path="props.path" />
+    <SvgButton
+      name="create-folder"
+      data-tooltip="New folder"
+      @click="() => {  console.log('New', store.fileExplorer); store.fileExplorer!.newFolder(); console.log('Done')}"
+    />
+    <slot></slot>
+    <div class="spacer smallgap"></div>
+    <template v-if="showSearchInput">
+      <input
+        ref="search"
+        type="search"
+        :value="query"
+        @input="updateSearch"
+        placeholder="Find files"
+        class="margin-input"
       />
-      <slot></slot>
-      <div class="spacer smallgap"></div>
-      <template v-if="showSearchInput">
-        <input
-          ref="search"
-          type="search"
-          :value="query"
-          @input="updateSearch"
-          placeholder="Search words"
-          class="margin-input"
-          @keyup.escape="closeSearch"
-        />
-      </template>
-      <SvgButton ref="searchButton" name="find" @click.prevent="toggleSearchInput" />
-      <SvgButton name="cog" @click="settingsMenu" />
-    </div>
+    </template>
+    <SvgButton ref="searchButton" name="find" @click.prevent="toggleSearchInput" />
+    <SvgButton name="eye" @click="store.prefs.gallery = !store.prefs.gallery" />
+    <SvgButton name="cog" @click="settingsMenu" />
   </nav>
 </template>
 
 <script setup lang="ts">
 import { useMainStore } from '@/stores/main'
+import { useSsoAuthStore } from '@/stores/ssoAuth'
 import { ref, nextTick, watchEffect } from 'vue'
 import ContextMenu from '@imengyu/vue3-context-menu'
+import { showAuthIframe } from 'paskia'
+import { resumeWatching } from '@/repositories/WS'
 import router from '@/router';
 
 const store = useMainStore()
+const ssoStore = useSsoAuthStore()
 const showSearchInput = ref<boolean>(false)
 const search = ref<HTMLInputElement | null>()
 const searchButton = ref<HTMLButtonElement | null>()
+
   const props = defineProps<{
   path: Array<string>
   query: string
@@ -75,10 +74,36 @@ watchEffect(() => {
 const settingsMenu = (e: Event) => {
   // show the context menu
   const items = []
+
+  // For external auth, show user name as link to /auth/
+  if (ssoStore.isExternalAuth && store.user.isLoggedIn) {
+    items.push({
+      label: '👤 ' + (store.user.username || 'User Account'),
+      onClick: () => { window.location.href = '/auth/' }
+    })
+  }
+
+  // Only show password change for non-SSO users
+  if (!ssoStore.isExternalAuth && store.user.isLoggedIn) {
+    items.push({ label: '🔑 Change Password', onClick: () => { store.dialog = 'settings' }})
+  }
+
+  if (store.user.privileged) {
+    items.push({ label: '⚙️ Admin Settings', onClick: () => { store.dialog = 'usermgmt' }})
+  }
+
   if (store.user.isLoggedIn) {
-    items.push({ label: `Logout ${store.user.username ?? ''}`, onClick: () => store.logout() })
-  } else {
-    items.push({ label: 'Login', onClick: () => store.loginDialog() })
+    items.push({ label: '🚪 Logout', onClick: () => store.logout() })
+  } else if (!ssoStore.isExternalAuth) {
+    // Show login in paskia iframe overlay
+    items.push({ label: '🔐 Login', onClick: async () => {
+      try {
+        await showAuthIframe('/auth/restricted')
+        resumeWatching()
+      } catch (e) {
+        console.log('Login cancelled')
+      }
+    }})
   }
   ContextMenu.showContextMenu({
     // @ts-ignore
@@ -94,24 +119,18 @@ defineExpose({
 
 <style scoped>
 .buttons {
+  flex: 1000 0 auto;
   padding: 0;
   display: flex;
   align-items: center;
-  height: 3.5em;
   z-index: 10;
 }
-.buttons > * {
-  flex-shrink: 1;
-}
 input[type='search'] {
   background: var(--input-background);
   color: var(--input-color);
   border: 0;
   border-radius: 0.1em;
-  padding: 0.5em;
   outline: none;
-  font-size: 1.5em;
-  max-width: 30vw;
+  max-width: 15ch;
 }
 </style>
-@/stores/main

frontend/src/components/HeaderSelected.vue

@@ -2,7 +2,7 @@
   <template v-if="store.selected.size">
     <div class="smallgap"></div>
     <p class="select-text">{{ store.selected.size }} selected ➤</p>
-    <SvgButton name="download" data-tooltip="Download" @click="download" />
+    <DownloadButton />
     <SvgButton name="copy" data-tooltip="Copy here" @click="op('cp', dst)" />
     <SvgButton name="paste" data-tooltip="Move here" @click="op('mv', dst)" />
     <SvgButton name="trash" data-tooltip="Delete ⚠️" @click="op('rm')" />
@@ -14,7 +14,6 @@
 import {connect, controlUrl} from '@/repositories/WS'
 import { useMainStore } from '@/stores/main'
 import { computed } from 'vue'
-import type { SelectedItems } from '@/repositories/Document'
 
 const store = useMainStore()
 const props = defineProps({
@@ -27,7 +26,7 @@ const op = (op: string, dst?: string) => {
   const msg = {
     op,
     sel: sel.keys.map(key => {
-      const doc = sel.docs[key]
+      const doc = sel.docs[key]!
       return doc.loc ? `${doc.loc}/${doc.name}` : doc.name
     })
   }
@@ -53,95 +52,6 @@ const op = (op: string, dst?: string) => {
   }
 }
 
-const linkdl = (href: string) => {
-  const a = document.createElement('a')
-  a.href = href
-  a.download = ''
-  a.click()
-}
-
-const filesystemdl = async (sel: SelectedItems, handle: FileSystemDirectoryHandle) => {
-  let hdir = ''
-  let h = handle
-  console.log('Downloading to filesystem', sel.recursive)
-  for (const [rel, full, doc] of sel.recursive) {
-    // Create any missing directories
-    if (hdir && !rel.startsWith(hdir + '/')) {
-      hdir = ''
-      h = handle
-    }
-    const r = rel.slice(hdir.length)
-    for (const dir of r.split('/').slice(0, doc.dir ? undefined : -1)) {
-      hdir += `${dir}/`
-      try {
-        h = await h.getDirectoryHandle(dir.normalize('NFC'), { create: true })
-      } catch (error) {
-        console.error('Failed to create directory', hdir, error)
-        return
-      }
-      console.log('Created', hdir)
-    }
-    if (doc.dir) continue // Target was a folder and was created
-    const name = rel.split('/').pop()!.normalize('NFC')
-    // Download file
-    let fileHandle
-    try {
-      fileHandle = await h.getFileHandle(name, { create: true })
-    } catch (error) {
-      console.error('Failed to create file', rel, full, hdir + name, error)
-      return
-    }
-    const writable = await fileHandle.createWritable()
-    const url = `/files/${rel}`
-    console.log('Fetching', url)
-    const res = await fetch(url)
-    if (!res.ok)
-      throw new Error(`Failed to download ${url}: ${res.status} ${res.statusText}`)
-    if (res.body) await res.body.pipeTo(writable)
-    else {
-      // Zero-sized files don't have a body, so we need to create an empty file
-      await writable.truncate(0)
-      await writable.close()
-    }
-    console.log('Saved', hdir + name)
-  }
-}
-
-const download = async () => {
-  const sel = store.selectedFiles
-  console.log('Download', sel)
-  if (sel.keys.length === 0) {
-    console.warn('Attempted download but no files found. Missing selected keys:', sel.missing)
-    store.selected.clear()
-    return
-  }
-  // Plain old a href download if only one file (ignoring any folders)
-  const files = sel.recursive.filter(([rel, full, doc]) => !doc.dir)
-  if (files.length === 1) {
-    store.selected.clear()
-    return linkdl(`/files/${files[0][1]}`)
-  }
-  // Use FileSystem API if multiple files and the browser supports it
-  if ('showDirectoryPicker' in window) {
-    try {
-      // @ts-ignore
-      const handle = await window.showDirectoryPicker({
-        startIn: 'downloads',
-        mode: 'readwrite'
-      })
-      filesystemdl(sel, handle).then(() => {
-        store.selected.clear()
-      })
-      return
-    } catch (e) {
-      console.error('Download to folder aborted', e)
-    }
-  }
-  // Otherwise, zip and download
-  const name = sel.keys.length === 1 ? sel.docs[sel.keys[0]].name : 'download'
-  linkdl(`/zip/${Array.from(sel.keys).join('+')}/${name}.zip`)
-  store.selected.clear()
-}
 </script>
 
 <style>
@@ -150,6 +60,6 @@ const download = async () => {
   white-space: nowrap;
   overflow: hidden;
   text-overflow: ellipsis;
+  margin: 0;
 }
 </style>
-@/stores/main

frontend/src/components/LoginModal.vue

@@ -1,102 +0,0 @@
-<template>
-  <ModalDialog v-if="store.user.isOpenLoginModal" title="Authentication required" @blur="store.user.isOpenLoginModal = false">
-    <form @submit.prevent="login">
-      <div class="login-container">
-        <label for="username">Username:</label>
-        <input
-          id="username"
-          name="username"
-          autocomplete="username"
-          spellcheck="false"
-          autocorrect="off"
-          required
-          v-model="loginForm.username"
-        />
-        <label for="password">Password:</label>
-        <input
-          id="password"
-          name="password"
-          type="password"
-          autocomplete="current-password"
-          spellcheck="false"
-          autocorrect="off"
-          required
-          v-model="loginForm.password"
-        />
-      </div>
-      <h3 class="error-text">
-        {{ loginForm.error || '\u00A0' }}
-      </h3>
-      <div class="dialog-buttons">
-        <div class="spacer"></div>
-        <input id="submit" type="submit" value="Login" class="button-login" />
-      </div>
-    </form>
-  </ModalDialog>
-</template>
-
-<script lang="ts" setup>
-import { reactive, ref } from 'vue'
-import { loginUser } from '@/repositories/User'
-import type { ISimpleError } from '@/repositories/Client'
-import { useMainStore } from '@/stores/main'
-
-const confirmLoading = ref<boolean>(false)
-const store = useMainStore()
-
-const loginForm = reactive({
-  username: '',
-  password: '',
-  error: ''
-})
-
-const login = async () => {
-  try {
-    loginForm.error = ''
-    confirmLoading.value = true
-    const msg = await loginUser(loginForm.username, loginForm.password)
-    store.login(msg.data.username, !!msg.data.privileged)
-  } catch (error) {
-    const httpError = error as ISimpleError
-    loginForm.error = httpError.message || '🛑 Unknown error'
-  } finally {
-    confirmLoading.value = false
-  }
-}
-</script>
-
-<style scoped>
-.login-container {
-  display: grid;
-  gap: 1rem;
-  grid-template-columns: 1fr 2fr;
-  justify-content: center;
-  align-items: center;
-  margin: 1rem 0;
-}
-.dialog-buttons {
-  display: flex;
-  justify-content: space-between;
-  align-items: center;
-}
-.button-login {
-  color: #fff;
-  background: var(--soft-color);
-  cursor: pointer;
-  font-weight: bold;
-  border: 0;
-  border-radius: .5rem;
-  padding: .5rem 2rem;
-  margin-left: auto;
-  transition: all var(--transition-time) linear;
-}
-.button-login:hover, .button-login:focus {
-  background: var(--accent-color);
-  box-shadow: 0 0 .3rem #000;
-}
-.error-text {
-  color: var(--red-color);
-  height: 1em;
-}
-</style>
-@/stores/main

frontend/src/components/MediaPreview.vue

@@ -0,0 +1,211 @@
+<template>
+  <img v-if=preview() :src="`${doc.previewurl}?${quality}&t=${doc.mtime}`" alt="">
+  <img v-else-if=doc.img :src=doc.url alt="">
+  <span v-else-if=doc.dir class="folder icon"></span>
+  <div v-else-if=video() class="video-container">
+    <video ref=vid :src=doc.url :poster=poster preload=none @play=onplay @pause=onpaused @ended=next @seeking=media!.play()></video>
+    <div class="play-overlay"><PlayIcon /></div>
+  </div>
+  <div v-else-if=audio() class="audio icon">
+    <audio ref=aud :src=doc.url class=icon preload=none @play=onplay @pause=onpaused @ended=next @seeking=media!.play()></audio>
+  </div>
+  <span v-else-if=archive() class="archive icon"></span>
+  <span v-else class="file icon" :class="`ext-${doc.ext}`"></span>
+</template>
+
+<script setup lang=ts>
+import { computed, ref } from 'vue'
+import type { Doc } from '@/repositories/Document'
+import { Play as PlayIcon } from '@/assets/svg'
+
+const aud = ref<HTMLAudioElement | null>(null)
+const vid = ref<HTMLVideoElement | null>(null)
+const media = computed(() => aud.value || vid.value)
+const poster = computed(() => `${props.doc.previewurl}?${props.quality}&t=${props.doc.mtime}`)
+const props = defineProps<{
+  doc: Doc
+  quality: string
+}>()
+
+const onplay = () => {
+  if (!media.value) return
+  media.value.controls = true
+  media.value.setAttribute('data-playing', '')
+}
+const onpaused = () => {
+  if (!media.value) return
+  media.value.controls = false
+  media.value.removeAttribute('data-playing')
+}
+let fscurrent: HTMLVideoElement | null = null
+const next = () => {
+  if (!media.value) return
+  media.value.load()  // Restore poster
+  const medias = Array.from(document.querySelectorAll('video, audio')) as (HTMLAudioElement | HTMLVideoElement)[]
+  if (medias.length === 0) return
+  let el: HTMLAudioElement | HTMLVideoElement | null = null
+  for (const i in medias) {
+    if (medias[i] === (fscurrent || media.value)) {
+      el = medias[+i + 1] ?? medias[0] ?? null
+      break
+    }
+  }
+  if (!el) return
+  if (el.tagName === "VIDEO" && document.fullscreenElement === media.value) {
+    // Fullscreen needs to use the current video element for the next video
+    // because we are not allowed to fullscreen the next one.
+    // FIXME: Write our own player to avoid this problem...
+    const elem = media.value as HTMLVideoElement
+    const playing = el as HTMLVideoElement
+    if (elem === playing) {
+      playing.play()  // Only one video, just replay
+      return
+    }
+    if (!fscurrent) {
+      elem.addEventListener('fullscreenchange', ev => {
+        if (!fscurrent) return
+        // Restore the original video element and continue with the one that was playing
+        fscurrent.currentTime = elem.currentTime
+        fscurrent.click()
+        if (!elem.paused) fscurrent.play()
+        fscurrent = null
+        elem.src = props.doc.url
+        elem.poster = poster.value
+        onpaused()
+      }, {once: true})
+    }
+    fscurrent = playing
+    elem.src = playing.src
+    elem.poster = ''
+    elem.play()
+  } else {
+    document.exitFullscreen()
+    el.click()
+  }
+}
+defineExpose({
+  play() {
+    if (!media.value) return false
+    if (media.value.paused) {
+      media.value.play()
+      for (const el of Array.from(document.querySelectorAll('video, audio')) as (HTMLAudioElement | HTMLVideoElement)[]) {
+        if (el === media.value) continue
+        el.pause()
+      }
+    } else {
+      media.value.pause()
+    }
+    return true
+  },
+  media,
+})
+
+
+const video = () => ['mkv', 'mp4', 'webm', 'mov', 'avi'].includes(props.doc.ext)
+const audio = () => ['mp3', 'flac', 'ogg', 'aac'].includes(props.doc.ext)
+const archive = () => ['zip', 'tar', 'gz', 'bz2', 'xz', '7z', 'rar'].includes(props.doc.ext)
+const preview = () => (
+  ['bmp', 'ico', 'tif', 'tiff', 'heic', 'heif', 'pdf', 'epub', 'mobi'].includes(props.doc.ext) ||
+  props.doc.size > 500000 &&
+  ['avif', 'webp', 'png', 'jpg', 'jpeg'].includes(props.doc.ext)
+)
+</script>
+
+<style scoped>
+img, embed, .icon, audio, video {
+  font-size: 8em;
+  overflow: hidden;
+  min-width: 50%;
+  max-width: 100%;
+  max-height: 100%;
+  border-radius: calc(.5em / 8);
+}
+.folder::before {
+  content: '📁';
+}
+.folder:hover::before, .cursor .folder::before {
+  content: '📂';
+}
+.archive::before {
+  content: '📦';
+}
+.file::before {
+  content: '📄';
+}
+.ext-img::before {
+  content: '💿';
+}
+.ext-exe::before, .ext-msi::before, .ext-dmg::before, .ext-pkg::before {
+  content: '⚙️';
+}
+.ext-torrent::before {
+  content: '🏴‍☠️';
+}
+.audio audio {
+  opacity: 0;
+  transition: opacity var(--transition-time) ease-in-out;
+}
+.audio:hover audio {
+  opacity: 1;
+}
+.audio.icon::before {
+  width: 100%;
+  content: '🔈';
+}
+.audio.icon:has(audio[data-playing])::before {
+  position: absolute;
+  content: '🔊';
+  bottom: 0;
+}
+.icon {
+  filter: brightness(0.9);
+}
+figure.cursor .icon {
+  filter: brightness(1);
+}
+img::before {
+  /* broken image */
+  text-shadow: 0 0 .5rem #000;
+  filter: grayscale(1);
+  content: '❌';
+}
+.video-container {
+  position: relative;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  min-width: 50%;
+  max-width: 100%;
+  max-height: 100%;
+}
+.video-container video {
+  width: 100%;
+  height: 100%;
+  border-radius: calc(.5em / 8);
+  object-fit: contain;
+}
+.play-overlay {
+  position: absolute;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  pointer-events: none;
+  width: 4em;
+  height: 4em;
+  background: rgba(0, 0, 0, 0.2);
+  border-radius: 50%;
+  transition: opacity 0.2s ease, transform 0.2s ease;
+}
+.play-overlay svg {
+  width: 2em;
+  height: 2em;
+  fill: white;
+  margin-left: 0.25em;  /* Visual centering for play triangle */
+}
+.video-container:hover .play-overlay {
+  transform: scale(1.1);
+}
+video[data-playing] + .play-overlay {
+  opacity: 0;
+}
+</style>

frontend/src/components/ModalDialog.vue

@@ -1,79 +1,279 @@
 <template>
-  <dialog ref="dialog">
-    <h1 v-if="props.title">{{ props.title }}</h1>
-    <div>
-      <slot>
-        Dialog with no content
-        <button onclick="dialog.close()">OK</button>
-      </slot>
+  <div v-if="store.dialog === name" class="modal-overlay" @click.self="close" @keydown.escape="close" tabindex="-1" ref="overlay">
+    <div class="modal-dialog" :id="props.name" ref="dialog">
+      <h1 v-if="props.title">{{ props.title }}</h1>
+      <div class="modal-content">
+        <slot>
+          Dialog with no content
+          <button @click="close">OK</button>
+        </slot>
+      </div>
     </div>
-  </dialog>
+  </div>
 </template>
 
 <script setup lang="ts">
-import { ref, onMounted } from 'vue'
+import { ref, watchEffect, nextTick } from 'vue'
+import { useMainStore } from '@/stores/main'
+import { holdGlobalBackdrop, releaseGlobalBackdrop } from 'paskia'
 
-const dialog = ref<HTMLDialogElement | null>(null)
+const overlay = ref<HTMLDivElement | null>(null)
+const dialog = ref<HTMLDivElement | null>(null)
+const store = useMainStore()
 
-const props = withDefaults(
-  defineProps<{
-    title: string
-  }>(),
-  {
-    title: ''
-  }
-)
-const show = () => {
-  dialog.value!.showModal()
+const close = () => {
+  store.dialog = ''
+  releaseGlobalBackdrop()
 }
-defineExpose({ show })
-onMounted(() => {
-  show()
+
+const props = defineProps<{
+    title: string,
+    name: typeof store.dialog,
+  }>()
+
+const show = () => {
+  store.dialog = props.name
+  holdGlobalBackdrop()
+  nextTick(() => {
+    overlay.value?.focus()
+    const input = dialog.value?.querySelector('input')
+    if (input) input.focus()
+  })
+}
+defineExpose({ show, close })
+watchEffect(() => {
+  if (overlay.value) {
+    overlay.value.focus()
+    const input = dialog.value?.querySelector('input')
+    if (input) input.focus()
+  }
 })
 </script>
 
 <style>
-/* Style for the background */
-dialog::backdrop {
-  content: '';
-  display: block;
+/* ===========================================
+   MODAL DIALOG GLOBAL STYLES
+   Shared styling for all modal dialogs.
+   Login page (auth.py) has matching CSS.
+   =========================================== */
+
+/* Overlay - covers entire viewport */
+.modal-overlay {
   position: fixed;
-  top: 0;
-  left: 0;
-  width: 100%;
-  height: 100%;
-  background: #0008;
-  backdrop-filter: blur(0.4em);
-  z-index: 1000;
+  inset: 0;
+  z-index: 1100;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  /* No backdrop - paskia handles that */
 }
 
-/* Hide the dialog by default */
-dialog[open] {
+/* Dialog container */
+.modal-dialog {
   background: #ddd;
-  color: black;
-  display: block;
+  color: #000;
   border: none;
-  font-size: 1.2rem;
   border-radius: 0.5rem;
-  box-shadow: 0.2rem 0.2rem 1rem #000;
-  padding: 1rem;
-  position: fixed;
-  top: 0;
-  left: 0;
-  z-index: 1001;
+  box-shadow: 0 0 1rem #0008;
+  padding: 0;
+  max-width: 90vw;
+  max-height: 90vh;
+  overflow: auto;
+  font-size: 1rem;
 }
-input {
-  font: inherit;
-}
-dialog[open] > h1 {
-  background: var(--soft-color);
+
+/* Dialog title bar */
+.modal-dialog > h1 {
+  background: #146;
   color: #fff;
   font-size: 1.2rem;
-  margin: -1rem -1rem 0 -1rem;
-  padding: 0.5rem 1rem 0.5rem 1rem;
+  font-weight: normal;
+  margin: 0;
+  padding: 0.5rem 1rem;
+  position: sticky;
+  top: 0;
 }
 
-dialog[open] > div {
-  padding: 1em 0;
+/* Dialog content area */
+.modal-dialog > .modal-content {
+  padding: 1rem;
+}
+
+/* Section headings inside dialog */
+.modal-dialog h3 {
+  font-size: 1rem;
+  font-weight: 600;
+  margin: 1rem 0 0.5rem 0;
+}
+.modal-dialog h3:first-child {
+  margin-top: 0;
+}
+
+/* Links */
+.modal-dialog a {
+  color: #146;
+}
+.modal-dialog a:hover {
+  color: #f80;
+}
+
+/* Form inputs */
+.modal-dialog input[type="text"],
+.modal-dialog input[type="password"],
+.modal-dialog select {
+  font: inherit;
+  font-size: 1rem;
+  padding: 0.5rem;
+  border: 2px solid #888;
+  border-radius: 0.25rem;
+  background: #fff;
+  color: #000;
+  min-width: 12rem;
+}
+
+.modal-dialog input[type="text"]:focus,
+.modal-dialog input[type="password"]:focus,
+.modal-dialog select:focus {
+  outline: none;
+  border-color: #f80;
+}
+
+/* Labels */
+.modal-dialog label {
+  font-size: 1rem;
+}
+
+/* Buttons */
+.modal-dialog button,
+.modal-dialog input[type="submit"],
+.modal-dialog input[type="reset"],
+.modal-dialog .button {
+  font: inherit;
+  font-size: 1rem;
+  padding: 0.5rem 1rem;
+  background: #146;
+  color: #fff;
+  border: none;
+  border-radius: 0.25rem;
+  cursor: pointer;
+}
+
+.modal-dialog button:hover,
+.modal-dialog input[type="submit"]:hover,
+.modal-dialog input[type="reset"]:hover,
+.modal-dialog .button:hover {
+  background: #f80;
+}
+
+.modal-dialog button:disabled,
+.modal-dialog input[type="submit"]:disabled,
+.modal-dialog input[type="reset"]:disabled,
+.modal-dialog .button:disabled {
+  background: #888;
+  cursor: not-allowed;
+}
+
+/* Small button variant */
+.modal-dialog .button.small {
+  padding: 0.25rem 0.5rem;
+  font-size: 0.875rem;
+}
+
+/* Danger button variant */
+.modal-dialog .button.danger {
+  background: #c00;
+}
+.modal-dialog .button.danger:hover:not(:disabled) {
+  background: #f00;
+}
+
+/* Form row layout (label + input side by side) */
+.modal-dialog .form-row {
+  display: grid;
+  grid-template-columns: auto 1fr;
+  gap: 0.5rem 1rem;
+  align-items: center;
+  margin-bottom: 0.5rem;
+}
+
+/* Form grid for multiple label+input pairs */
+.modal-dialog .form-grid {
+  display: grid;
+  grid-template-columns: auto 1fr;
+  gap: 0.5rem 1rem;
+  align-items: center;
+}
+
+/* Dialog button row (footer) */
+.modal-dialog .dialog-buttons {
+  display: flex;
+  justify-content: flex-end;
+  align-items: center;
+  gap: 0.5rem;
+  margin-top: 1rem;
+}
+
+/* Error text */
+.modal-dialog .error-text {
+  color: #c00;
+  font-size: 0.875rem;
+  min-height: 1.2em;
+  margin: 0.5rem 0;
+}
+
+/* Success message */
+.modal-dialog .success-message {
+  background: #f80;
+  color: #000;
+  padding: 0.5rem;
+  border-radius: 0.25rem;
+  margin: 0.5rem 0;
+  display: flex;
+  align-items: center;
+  gap: 0.5rem;
+  font-size: 0.875rem;
+}
+
+/* Data tables inside dialogs */
+.modal-dialog table {
+  width: 100%;
+  border-collapse: collapse;
+  margin: 0.5rem 0;
+  font-size: 1rem;
+}
+
+.modal-dialog th,
+.modal-dialog td {
+  border: 1px solid #888;
+  padding: 0.5rem;
+  text-align: left;
+}
+
+.modal-dialog th {
+  background: #146;
+  color: #fff;
+  font-weight: normal;
+}
+
+.modal-dialog td {
+  background: #fff;
+}
+
+/* Checkbox alignment in tables */
+.modal-dialog td input[type="checkbox"] {
+  margin: 0;
+}
+
+/* Paragraph text */
+.modal-dialog p {
+  margin: 0 0 0.5rem 0;
+  font-size: 1rem;
+}
+
+/* Loading state */
+.modal-dialog .loading {
+  padding: 2rem;
+  text-align: center;
+  color: #666;
 }
 </style>

frontend/src/components/SelectBox.vue

@@ -0,0 +1,22 @@
+<template>
+  <input type=checkbox tabindex=-1 :checked="store.selected.has(doc.key)" @click.stop
+    @change="ev => {
+      if ((ev.target as HTMLInputElement).checked) {
+        store.selected.add(doc.key)
+      } else {
+        store.selected.delete(doc.key)
+      }
+    }"
+  >
+</template>
+
+<script setup lang=ts>
+import { useMainStore } from '@/stores/main'
+import type { Doc } from '@/repositories/Document'
+
+const props = defineProps<{
+  doc: Doc
+}>()
+const store = useMainStore()
+
+</script>

frontend/src/components/SettingsModal.vue

@@ -0,0 +1,91 @@
+<template>
+  <ModalDialog name=settings title="Settings">
+    <form>
+      <template v-if="store.user.isLoggedIn">
+        <h3>Update your authentication</h3>
+        <div class="form-grid">
+          <label for="passwordChange">New password:</label>
+          <input
+            ref="passwordChange"
+            id="passwordChange"
+            type="password"
+            autocomplete="new-password"
+            spellcheck="false"
+            autocorrect="off"
+            v-model="form.passwordChange"
+          />
+          <label for="password">Current password:</label>
+          <input
+            ref="password"
+            id="password"
+            name="password"
+            type="password"
+            autocomplete="current-password"
+            spellcheck="false"
+            autocorrect="off"
+            v-model="form.password"
+          />
+        </div>
+        <div class="dialog-buttons">
+          <input id="close" type="reset" value="Close" class="button" @click=close />
+          <div class="spacer"></div>
+          <input id="submit" type="submit" value="Submit" class="button" @click.prevent="submit" />
+        </div>
+      </template>
+      <template v-else>
+        <p>No settings are available because you have not logged in.</p>
+        <div class="dialog-buttons">
+          <div class="spacer"></div>
+          <input id="close" type="reset" value="Close" class="button" @click=close />
+        </div>
+      </template>
+    </form>
+  </ModalDialog>
+</template>
+
+<script lang="ts" setup>
+import { reactive, ref } from 'vue'
+import { changePassword } from '@/repositories/User'
+import type { ISimpleError } from '@/repositories/Client'
+import { useMainStore } from '@/stores/main'
+
+const confirmLoading = ref<boolean>(false)
+const store = useMainStore()
+
+const passwordChange = ref()
+const password = ref()
+
+const form = reactive({
+  passwordChange: '',
+  password: ''
+})
+
+const close = () => {
+  form.passwordChange = ''
+  form.password = ''
+  store.dialog = ''
+}
+const submit = async (ev: Event) => {
+  ev.preventDefault()
+  try {
+    if (form.passwordChange) {
+      if (!form.password) {
+        store.error = '⚠️ Current password is required'
+        password.value!.focus()
+        return
+      }
+      await changePassword(store.user.username, form.passwordChange, form.password)
+    }
+    close()
+  } catch (error) {
+    const httpError = error as ISimpleError
+    store.error = httpError.message || '🛑 Unknown error'
+  } finally {
+    confirmLoading.value = false
+  }
+}
+</script>
+
+<style scoped>
+/* Component-specific styles - most styling comes from ModalDialog.vue global styles */
+</style>

frontend/src/components/SvgButton.vue

@@ -1,18 +1,16 @@
 <template>
   <button class="action-button">
-    <component :is="icon" />
+    <component :is="icons[name]" />
     <slot></slot>
   </button>
 </template>
 
 <script setup lang="ts">
-import { defineAsyncComponent, defineProps } from 'vue'
+import { icons, type IconName } from '@/assets/svg'
 
-const props = defineProps<{
-  name: string
+defineProps<{
+  name: IconName
 }>()
-
-const icon = defineAsyncComponent(() => import(`@/assets/svg/${props.name}.svg`))
 </script>
 
 <style>

frontend/src/components/TransferBar.vue

@@ -0,0 +1,94 @@
+<template>
+  <div class="transferprogress" v-if="status.total" :style="`background: linear-gradient(to right, var(--bar) 0, var(--bar) ${percent}%, var(--nobar) ${percent}%, var(--nobar) 100%);`">
+    <div class="statustext">
+      <span v-if="status.filecount > 1" class="index">
+        [{{ status.fileidx }}/{{ status.filecount }}]
+      </span>
+      <span class="filename">{{ status.filename.split('/').pop() }}
+        <span v-if="status.filesize > 1e7" class="percent">
+          {{ (status.filepos / status.filesize * 100).toFixed(0) + '\u202F%' }}
+        </span>
+      </span>
+      <span class="position" v-if="status.total > 1e7">
+        {{ (status.xfer / 1e6).toFixed(0) + '\u202F/\u202F' + (status.total / 1e6).toFixed(0) + '\u202FMB' }}
+      </span>
+      <span class="speed">{{ speeddisp }}</span>
+      <button class="close" @click="$emit('cancel')">❌</button>
+    </div>
+  </div>
+</template>
+
+<script setup lang="ts">
+import { computed } from 'vue';
+
+defineEmits(['cancel'])
+
+const props = defineProps<{
+  status: {
+    total: number
+    xfer: number
+    filecount: number
+    fileidx: number
+    filesize: number
+    filepos: number
+    filename: string
+    statbytes: number
+    statdur: number
+    tlast: number
+  }
+}>()
+
+const percent = computed(() => props.status.xfer / props.status.total * 100)
+const speed = computed(() => {
+  let s = props.status.statbytes / props.status.statdur / 1e3
+  const tsince = (Date.now() - props.status.tlast) / 1e3
+  if (tsince > 5 / s) return 0  // Less than fifth of previous speed => stalled
+  if (tsince > 1 / s) return 1 / tsince  // Next block is late or not coming, decay
+  return s  // "Current speed"
+})
+const speeddisp = computed(() => speed.value ? speed.value.toFixed(speed.value < 10 ? 1 : 0) + '\u202FMB/s': 'stalled')
+
+</script>
+
+<style scoped>
+.transferprogress {
+  --bar: var(--accent-color);
+  --nobar: var(--header-background);
+  display: flex;
+  flex-direction: column;
+  color: var(--primary-color);
+  width: 100%;
+}
+.statustext {
+  display: flex;
+  align-items: center;
+  margin: 0 .5em;
+  padding: 0.5rem 0;
+}
+span {
+  color: #ccc;
+  white-space: nowrap;
+  text-align: right;
+  padding: 0 0.5em;
+}
+.filename {
+  color: #fff;
+  flex: 1 1;
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  text-align: left;
+}
+.index { min-width: 3.5em }
+.position { min-width: 4em }
+.speed { min-width: 4em }
+
+.upload .statustext::before {
+  font-size: 1.5em;
+  content: '🔺'
+}
+.download .statustext::before {
+  font-size: 1.5em;
+  content: '🔻'
+}
+</style>

frontend/src/components/UploadButton.vue

@@ -1,8 +1,17 @@
+<template>
+  <template>
+    <input ref="fileInput" @change="uploadHandler" type="file" multiple>
+    <input ref="folderInput" @change="uploadHandler" type="file" webkitdirectory>
+  </template>
+  <SvgButton name="add-file" data-tooltip="Upload files" @click="fileInput.click()" />
+  <SvgButton name="add-folder" data-tooltip="Upload folder" @click="folderInput.click()" />
+</template>
+
 <script setup lang="ts">
 import { connect, uploadUrl } from '@/repositories/WS';
 import { useMainStore } from '@/stores/main'
 import { collator } from '@/utils';
-import { computed, onMounted, onUnmounted, reactive, ref } from 'vue'
+import { onMounted, onUnmounted, reactive, ref } from 'vue'
 
 const fileInput = ref()
 const folderInput = ref()
@@ -94,7 +103,7 @@ const cancelUploads = () => {
 
 const uprogress_init = {
   total: 0,
-  uploaded: 0,
+  xfer: 0,
   t0: 0,
   tlast: 0,
   statbytes: 0,
@@ -108,59 +117,50 @@ const uprogress_init = {
   filepos: 0,
   status: 'idle',
 }
-const uprogress = reactive({...uprogress_init})
-const percent = computed(() => uprogress.uploaded / uprogress.total * 100)
-const speed = computed(() => {
-  let s = uprogress.statbytes / uprogress.statdur / 1e3
-  const tsince = (Date.now() - uprogress.tlast) / 1e3
-  if (tsince > 5 / s) return 0  // Less than fifth of previous speed => stalled
-  if (tsince > 1 / s) return 1 / tsince  // Next block is late or not coming, decay
-  return s  // "Current speed"
-})
-const speeddisp = computed(() => speed.value ? speed.value.toFixed(speed.value < 10 ? 1 : 0) + '\u202FMB/s': 'stalled')
+store.uprogress = {...uprogress_init}
 setInterval(() => {
-  if (Date.now() - uprogress.tlast > 3000) {
+  if (Date.now() - store.uprogress.tlast > 3000) {
     // Reset
-    uprogress.statbytes = 0
-    uprogress.statdur = 1
+    store.uprogress.statbytes = 0
+    store.uprogress.statdur = 1
   } else {
     // Running average by decay
-    uprogress.statbytes *= .9
-    uprogress.statdur *= .9
+    store.uprogress.statbytes *= .9
+    store.uprogress.statdur *= .9
   }
 }, 100)
 const statUpdate = ({name, size, start, end}: {name: string, size: number, start: number, end: number}) => {
-  if (name !== uprogress.filename) return  // If stats have been reset
+  if (name !== store.uprogress.filename) return  // If stats have been reset
   const now = Date.now()
-  uprogress.uploaded = uprogress.filestart + end
-  uprogress.filepos = end
-  uprogress.statbytes += end - start
-  uprogress.statdur += now - uprogress.tlast
-  uprogress.tlast = now
+  store.uprogress.xfer = store.uprogress.filestart + end
+  store.uprogress.filepos = end
+  store.uprogress.statbytes += end - start
+  store.uprogress.statdur += now - store.uprogress.tlast
+  store.uprogress.tlast = now
   // File finished?
   if (end === size) {
-    uprogress.filestart += size
+    store.uprogress.filestart += size
     statNextFile()
-    if (++uprogress.fileidx >= uprogress.filecount) statReset()
+    if (++store.uprogress.fileidx >= store.uprogress.filecount) statReset()
   }
 }
 const statNextFile = () => {
-  const f = uprogress.files.shift()
+  const f = store.uprogress.files.shift()
   if (!f) return statReset()
-  uprogress.filepos = 0
-  uprogress.filesize = f.file.size
-  uprogress.filename = f.cloudName
+  store.uprogress.filepos = 0
+  store.uprogress.filesize = f.file.size
+  store.uprogress.filename = f.cloudName
 }
 const statReset = () => {
-  Object.assign(uprogress, uprogress_init)
-  uprogress.t0 = Date.now()
-  uprogress.tlast = uprogress.t0 + 1
+  Object.assign(store.uprogress, uprogress_init)
+  store.uprogress.t0 = Date.now()
+  store.uprogress.tlast = store.uprogress.t0 + 1
 }
 const statsAdd = (f: CloudFile[]) => {
-  if (uprogress.files.length === 0) statReset()
-  uprogress.total += f.reduce((a, b) => a + b.file.size, 0)
-  uprogress.filecount += f.length
-  uprogress.files = [...uprogress.files, ...f]
+  if (store.uprogress.files.length === 0) statReset()
+  store.uprogress.total += f.reduce((a, b) => a + b.file.size, 0)
+  store.uprogress.filecount += f.length
+  store.uprogress.files = [...store.uprogress.files, ...f]
   statNextFile()
 }
 let upqueue = [] as CloudFile[]
@@ -190,7 +190,7 @@ const WSCreate = async () => await new Promise<WebSocket>(resolve => {
   // @ts-ignore
   ws.sendData = async (data: any) => {
     // Wait until the WS is ready to send another message
-    uprogress.status = "uploading"
+    store.uprogress.status = "uploading"
     await new Promise(resolve => {
       const t = setInterval(() => {
         if (ws.bufferedAmount > 1<<20) return
@@ -198,14 +198,14 @@ const WSCreate = async () => await new Promise<WebSocket>(resolve => {
         clearInterval(t)
       }, 1)
     })
-    uprogress.status = "processing"
+    store.uprogress.status = "processing"
     ws.send(data)
   }
 })
 const worker = async () => {
   const ws = await WSCreate()
   while (upqueue.length) {
-    const f = upqueue[0]
+    const f = upqueue[0]!
     const start = f.cloudPos
     const end = Math.min(f.file.size, start + (1<<20))
     const control = { name: f.cloudName, size: f.file.size, start, end }
@@ -219,7 +219,7 @@ const worker = async () => {
     if (f.cloudPos === f.file.size) upqueue.shift()
   }
   if (upqueue.length) startWorker()
-  uprogress.status = "idle"
+  store.uprogress.status = "idle"
   workerRunning = false
 }
 let workerRunning: any = false
@@ -242,64 +242,3 @@ onUnmounted(() => {
   removeEventListener('drop', uploadHandler)
 })
 </script>
-<template>
-  <template>
-    <input ref="fileInput" @change="uploadHandler" type="file" multiple>
-    <input ref="folderInput" @change="uploadHandler" type="file" webkitdirectory>
-  </template>
-  <SvgButton name="add-file" data-tooltip="Upload files" @click="fileInput.click()" />
-  <SvgButton name="add-folder" data-tooltip="Upload folder" @click="folderInput.click()" />
-  <div class="uploadprogress" v-if="uprogress.total" :style="`background: linear-gradient(to right, var(--bar) 0, var(--bar) ${percent}%, var(--nobar) ${percent}%, var(--nobar) 100%);`">
-    <div class="statustext">
-      <span v-if="uprogress.filecount > 1" class="index">
-        [{{ uprogress.fileidx }}/{{ uprogress.filecount }}]
-      </span>
-      <span class="filename">{{ uprogress.filename.split('/').pop() }}
-        <span v-if="uprogress.filesize > 1e7" class="percent">
-          {{ (uprogress.filepos / uprogress.filesize * 100).toFixed(0) + '\u202F%' }}
-        </span>
-      </span>
-      <span class="position" v-if="uprogress.total > 1e7">
-        {{ (uprogress.uploaded / 1e6).toFixed(0) + '\u202F/\u202F' + (uprogress.total / 1e6).toFixed(0) + '\u202FMB' }}
-      </span>
-      <span class="speed">{{ speeddisp }}</span>
-      <button class="close" @click="cancelUploads">❌</button>
-    </div>
-  </div>
-</template>
-
-<style scoped>
-.uploadprogress {
-  --bar: var(--accent-color);
-  --nobar: var(--header-background);
-  display: flex;
-  flex-direction: column;
-  color: var(--primary-color);
-  position: fixed;
-  left: 0;
-  bottom: 0;
-  width: 100vw;
-}
-.statustext {
-  display: flex;
-  padding: 0.5rem 0;
-}
-span {
-  color: #ccc;
-  white-space: nowrap;
-  text-align: right;
-  padding: 0 0.5em;
-}
-.filename {
-  color: #fff;
-  flex: 1 1;
-  white-space: nowrap;
-  overflow: hidden;
-  text-overflow: ellipsis;
-  text-align: left;
-}
-.index { min-width: 3.5em }
-.position { min-width: 4em }
-.speed { min-width: 4em }
-</style>
-@/stores/main

frontend/src/components/UserManagementModal.vue

@@ -0,0 +1,228 @@
+<template>
+  <ModalDialog name=usermgmt title="Admin Settings">
+    <div v-if="loading" class="loading">Loading...</div>
+    <div v-else>
+      <h3>Server Settings</h3>
+      <div class="form-row">
+        <label for="publicAccess">
+          <input
+            type="checkbox"
+            id="publicAccess"
+            v-model="serverSettings.public"
+            @change="updateServerSettings"
+          />
+          Public access (anyone can read and write)
+        </label>
+      </div>
+      <template v-if="store.server.paskia">
+        <h3>User Management</h3>
+        <p>See <a href="/auth/admin/">Paskia Admin</a>.</p>
+      </template>
+      <template v-else>
+        <h3>Users</h3>
+        <button @click="addUser" class="button" title="Add new user">➕ Add User</button>
+        <div v-if="success" class="success-message" @click="copySuccess(false)">
+          {{ success }}
+          <button v-if="success.includes('Password:') || success.includes('New password:')" @click.stop="copySuccess(true)" class="button small" title="Copy to clipboard">{{ copyButtonText }}</button>
+        </div>
+        <table>
+          <thead>
+            <tr>
+              <th>Username</th>
+              <th>Admin</th>
+              <th>Actions</th>
+            </tr>
+          </thead>
+          <tbody>
+            <tr v-for="user in users" :key="user.username">
+              <td>{{ user.username }}</td>
+              <td>
+                <input
+                  type="checkbox"
+                  :checked="user.privileged"
+                  @change="toggleAdmin(user, $event)"
+                  :disabled="user.username === store.user.username"
+                />
+              </td>
+              <td>
+                <button @click="renameUser(user)" class="button small" title="Rename user">✏️</button>
+                <button @click="resetPassword(user)" class="button small" title="Reset password">🔑</button>
+                <button @click="deleteUserAction(user.username)" class="button small danger" :disabled="user.username === store.user.username" title="Delete user">🗑️</button>
+              </td>
+            </tr>
+          </tbody>
+        </table>
+      </template>
+      <div class="dialog-buttons">
+        <button @click="close" class="button">Close</button>
+      </div>
+    </div>
+  </ModalDialog>
+</template>
+
+<script lang="ts" setup>
+import { ref, reactive, onMounted, watch } from 'vue'
+import { listUsers, createUser, updateUser, deleteUser, updatePublic } from '@/repositories/User'
+import type { ISimpleError } from '@/repositories/Client'
+import { useMainStore } from '@/stores/main'
+
+interface User {
+  username: string
+  privileged: boolean
+  lastSeen: number
+}
+
+const store = useMainStore()
+const loading = ref(true)
+const users = ref<User[]>([])
+const success = ref('')
+const copyButtonText = ref('📋')
+const serverSettings = reactive({
+  public: false
+})
+
+const close = () => {
+  store.dialog = ''
+  success.value = ''
+}
+
+const loadUsers = async () => {
+  try {
+    loading.value = true
+    const data = await listUsers()
+    users.value = data.users
+  } catch (e) {
+    const httpError = e as ISimpleError
+    store.error = httpError.message || 'Failed to load users'
+  } finally {
+    loading.value = false
+  }
+}
+
+const addUser = async () => {
+  const username = window.prompt('Enter username for new user:')
+  if (!username || !username.trim()) return
+  try {
+    success.value = ''
+    const result = await createUser(username.trim(), undefined, false)
+    await loadUsers()
+    if (result.password) {
+      success.value = `User ${username.trim()} created. Password: ${result.password}`
+    }
+  } catch (e) {
+    const httpError = e as ISimpleError
+    store.error = httpError.message || 'Failed to add user'
+  }
+}
+
+const toggleAdmin = async (user: User, event: Event) => {
+  const target = event.target as HTMLInputElement
+  try {
+    await updateUser(user.username, { privileged: target.checked })
+    user.privileged = target.checked
+  } catch (e) {
+    const httpError = e as ISimpleError
+    store.error = httpError.message || 'Failed to update user'
+    target.checked = user.privileged // revert
+  }
+}
+
+const renameUser = async (user: User) => {
+  const newName = window.prompt('Enter new username:', user.username)
+  if (!newName || !newName.trim() || newName.trim() === user.username) return
+  // For rename, we need to create new user and delete old, or have a rename endpoint
+  // Since no rename endpoint, perhaps delete and create
+  try {
+    success.value = ''
+    const result = await createUser(newName.trim(), undefined, user.privileged)
+    await deleteUser(user.username)
+    await loadUsers()
+    if (result.password) {
+      success.value = `User renamed to ${newName.trim()}. New password: ${result.password}`
+    }
+  } catch (e) {
+    const httpError = e as ISimpleError
+    store.error = httpError.message || 'Failed to rename user'
+  }
+}
+
+const resetPassword = async (user: User) => {
+  if (!confirm(`Reset password for ${user.username}? A new password will be generated.`)) return
+  try {
+    success.value = ''
+    const result = await updateUser(user.username, { password: "" })
+    if (result.password) {
+      success.value = `Password reset for ${user.username}. New password: ${result.password}`
+    }
+  } catch (e) {
+    const httpError = e as ISimpleError
+    store.error = httpError.message || 'Failed to reset password'
+  }
+}
+
+const deleteUserAction = async (username: string) => {
+  if (!confirm(`Delete user ${username}?`)) return
+  try {
+    await deleteUser(username)
+    await loadUsers()
+  } catch (e) {
+    const httpError = e as ISimpleError
+    store.error = httpError.message || 'Failed to delete user'
+  }
+}
+
+const copySuccess = async (isButtonClick: boolean = false) => {
+  const passwordMatch = success.value.match(/(?:Password|New password): (.+)/)
+  if (passwordMatch) {
+    await navigator.clipboard.writeText(passwordMatch[1]!)
+    if (isButtonClick) {
+      // Show "Copied!" indication on button
+      copyButtonText.value = '✅ Copied!'
+      // Hide password and button immediately after copying
+      const baseMessage = success.value.replace(/(?:Password|New password): .+/, 'Password copied to clipboard!')
+      success.value = baseMessage
+      // Hide the entire message after 3 seconds
+      setTimeout(() => {
+        success.value = ''
+        copyButtonText.value = '📋'
+      }, 3000)
+    } else {
+      // Just hide the message when clicking elsewhere
+      success.value = ''
+    }
+  }
+}
+
+const updateServerSettings = async () => {
+  try {
+    success.value = ''
+    await updatePublic(serverSettings.public)
+    // Update store
+    store.server.public = serverSettings.public
+    success.value = 'Server settings updated'
+  } catch (e) {
+    const httpError = e as ISimpleError
+    store.error = httpError.message || 'Failed to update settings'
+  }
+}
+
+onMounted(() => {
+  serverSettings.public = store.server.public || false
+  loading.value = false
+})
+
+// Load users when dialog opens (only in built-in auth mode)
+watch(() => store.dialog, (newVal) => {
+  if (newVal === 'usermgmt' && !store.server.paskia) {
+    loadUsers()
+  }
+})
+
+watch(() => store.server.public, (newVal) => {
+  serverSettings.public = newVal || false
+})
+</script>
+
+<style scoped>
+/* Component-specific styles - most styling comes from ModalDialog.vue global styles */
+</style>

frontend/src/repositories/Client.ts

@@ -1,21 +1,71 @@
+import { apiJson, apiFetch, AuthCancelledError } from 'paskia'
+
+// Type for API error responses
+interface ApiError {
+  error: {
+    code: number
+    message: string
+  }
+}
+
+function hasError(msg: unknown): msg is ApiError {
+  return typeof msg === 'object' && msg !== null && 'error' in msg
+}
+
 class ClientClass {
-  async post(url: string, data?: Record<string, any>): Promise<any> {
-    const res = await fetch(url, {
-      method: 'POST',
-      headers: {
-        accept: 'application/json',
-        'content-type': 'application/json'
-      },
-      body: data !== undefined ? JSON.stringify(data) : undefined
-    })
-    let msg
+  async get(url: string): Promise<any> {
     try {
-      msg = await res.json()
+      const msg = await apiJson(url, { method: 'GET' })
+      if (hasError(msg)) throw new SimpleError(msg.error.code, msg.error.message)
+      return msg
     } catch (e) {
-      throw new SimpleError(res.status, `🛑 ${res.status} ${res.statusText}`)
+      if (e instanceof AuthCancelledError) {
+        throw new SimpleError(401, 'Authentication cancelled')
+      }
+      throw e
+    }
+  }
+  async post(url: string, data?: Record<string, any>): Promise<any> {
+    try {
+      const msg = await apiJson(url, {
+        method: 'POST',
+        body: data
+      })
+      if (hasError(msg)) throw new SimpleError(msg.error.code, msg.error.message)
+      return msg
+    } catch (e) {
+      if (e instanceof AuthCancelledError) {
+        throw new SimpleError(401, 'Authentication cancelled')
+      }
+      throw e
+    }
+  }
+  async put(url: string, data?: Record<string, any>): Promise<any> {
+    try {
+      const msg = await apiJson(url, {
+        method: 'PUT',
+        body: data
+      })
+      if (hasError(msg)) throw new SimpleError(msg.error.code, msg.error.message)
+      return msg
+    } catch (e) {
+      if (e instanceof AuthCancelledError) {
+        throw new SimpleError(401, 'Authentication cancelled')
+      }
+      throw e
+    }
+  }
+  async delete(url: string): Promise<any> {
+    try {
+      const msg = await apiJson(url, { method: 'DELETE' })
+      if (hasError(msg)) throw new SimpleError(msg.error.code, msg.error.message)
+      return msg
+    } catch (e) {
+      if (e instanceof AuthCancelledError) {
+        throw new SimpleError(401, 'Authentication cancelled')
+      }
+      throw e
     }
-    if ('error' in msg) throw new SimpleError(msg.error.code, msg.error.message)
-    return msg
   }
 }
 
@@ -32,4 +82,5 @@ class SimpleError extends Error implements ISimpleError {
   }
 }
 
+export { apiFetch }
 export default Client

frontend/src/repositories/Document.ts

@@ -12,15 +12,20 @@ export type DocProps = {
 }
 
 export class Doc {
-  private _name: string = ""
   public loc: string = ""
   public key: FUID = ""
   public size: number = 0
   public mtime: number = 0
   public haystack: string = ""
   public dir: boolean = false
+  /** @internal Use the name getter/setter instead */
+  public _name: string = ""
 
-  constructor(props: Partial<DocProps> = {}) { Object.assign(this, props) }
+  constructor(props: Partial<DocProps> = {}) {
+    const { name, ...rest } = props
+    Object.assign(this, rest)
+    if (name) this.name = name  // Use setter for validation
+  }
   get name() { return this._name }
   set name(name: string) {
     if (name.includes('/') || name.startsWith('.')) throw Error(`Invalid name: ${name}`)
@@ -36,6 +41,26 @@ export class Doc {
   get urlrouter(): string {
     return this.url.replace(/^\/#/, '')
   }
+  get img(): boolean {
+    // Folders cannot be images
+    if (this.dir) return false
+    return ['jpg', 'jpeg', 'png', 'gif', 'webp', 'avif', 'heic', 'heif', 'svg'].includes(this.ext)
+  }
+  get previewable(): boolean {
+    // Folders cannot be previewable
+    if (this.dir) return false
+    if (this.img) return true
+    // Not a comprehensive list, but good enough for now
+    return ['mp4', 'mkv', 'webm', 'ogg', 'mp3', 'flac', 'aac', 'pdf'].includes(this.ext)
+  }
+  get previewurl(): string {
+    return this.url.replace(/^\/files/, '/preview')
+  }
+  get ext(): string {
+    const dotIndex = this.name.lastIndexOf('.')
+    if (dotIndex === -1 || dotIndex === this.name.length - 1) return ''
+    return this.name.slice(dotIndex + 1).toLowerCase()
+  }
 }
 export type errorEvent = {
   error: {

frontend/src/repositories/User.ts

@@ -1,6 +1,8 @@
 import Client from '@/repositories/Client'
-export const url_login = '/login'
-export const url_logout = '/logout '
+import { useMainStore } from '@/stores/main'
+export const url_login = '/auth/login'
+export const url_logout = '/auth/api/logout'
+export const url_password = '/auth/password-change'
 
 export async function loginUser(username: string, password: string) {
   const user = await Client.post(url_login, {
@@ -13,3 +15,43 @@ export async function logoutUser() {
   const data = await Client.post(url_logout)
   return data
 }
+
+export async function changePassword(username: string, passwordChange: string, password: string) {
+  const data = await Client.post(url_password, {
+    username,
+    passwordChange,
+    password
+  })
+  return data
+}
+
+export const url_users = '/auth/users'
+
+export async function listUsers() {
+  const data = await Client.get(url_users)
+  return data
+}
+
+export async function createUser(username: string, password?: string, privileged?: boolean) {
+  const data = await Client.post(url_users, {
+    username,
+    password,
+    privileged
+  })
+  return data
+}
+
+export async function updateUser(username: string, changes: { password?: string, privileged?: boolean }) {
+  const data = await Client.put(`${url_users}/${username}`, changes)
+  return data
+}
+
+export async function deleteUser(username: string) {
+  const data = await Client.delete(`${url_users}/${username}`)
+  return data
+}
+
+export async function updatePublic(isPublic: boolean) {
+  const data = await Client.put('/api/config/public', { public: isPublic })
+  return data
+}

frontend/src/repositories/WS.ts

@@ -1,4 +1,5 @@
 import { useMainStore } from "@/stores/main"
+import { showAuthIframe, AuthCancelledError, isAuthIframeOpen } from 'paskia'
 import type { FileEntry, UpdateEntry, errorEvent } from "./Document"
 
 export const controlUrl = '/api/control'
@@ -8,6 +9,13 @@ export const watchUrl = '/api/watch'
 let tree = [] as FileEntry[]
 let reconnDelay = 500
 let wsWatch = null as WebSocket | null
+// Track when we're awaiting authentication to prevent reconnection loops
+let awaitingAuth = false
+
+// Clear the local tree cache (called on logout/auth failure)
+export const clearTree = () => {
+  tree = []
+}
 
 export const loadSession = () => {
   const s = localStorage['cista-files']
@@ -34,6 +42,44 @@ export const connect = (path: string, handlers: Partial<Record<keyof WebSocketEv
   return webSocket
 }
 
+// Handle auth error from WebSocket - show paskia iframe and reconnect on success
+async function handleWsAuthError(msg: any) {
+  const iframe = msg.error?.auth?.iframe
+  if (iframe) {
+    // Clear sensitive data immediately on auth failure
+    const store = useMainStore()
+    store.clearSensitiveData()
+    clearTree()
+    // Stop reconnection attempts while showing auth dialog
+    awaitingAuth = true
+    store.authInProgress = true
+    store.error = ''  // Clear any connection message
+    if (watchTimeout !== null) {
+      clearTimeout(watchTimeout)
+      watchTimeout = null
+    }
+    try {
+      await showAuthIframe(iframe)
+      // Auth succeeded - reconnect
+      awaitingAuth = false
+      store.authInProgress = false
+      watchConnect()
+    } catch (e) {
+      awaitingAuth = false
+      store.authInProgress = false
+      if (e instanceof AuthCancelledError) {
+        console.log('User cancelled authentication')
+        // Show access denied dialog
+        store.dialog = 'accessdenied'
+      } else {
+        console.error('Auth iframe error:', e)
+      }
+    }
+    return true
+  }
+  return false
+}
+
 export const watchConnect = () => {
   if (watchTimeout !== null) {
     clearTimeout(watchTimeout)
@@ -51,9 +97,9 @@ export const watchConnect = () => {
     if (store.connected) return
     const msg = JSON.parse(event.data)
     if ('error' in msg) {
-      if (msg.error.code === 401) {
-        store.user.isLoggedIn = false
-        store.user.isOpenLoginModal = true
+      if (msg.error.code === 401 || msg.error.code === 403) {
+        // Show paskia auth iframe (works for both password and paskia modes)
+        handleWsAuthError(msg)
       } else {
         store.error = msg.error.message
       }
@@ -67,7 +113,6 @@ export const watchConnect = () => {
       store.error = ''
       if (msg.user) store.login(msg.user.username, msg.user.privileged)
       else if (store.isUserLogged) store.logout()
-      if (!msg.server.public && !msg.user) store.user.isOpenLoginModal = true
     }
   })
 }
@@ -78,18 +123,33 @@ export const watchDisconnect = () => {
   wsWatch = null
 }
 
+// Reset auth state and reconnect - call after successful authentication
+export const resumeWatching = () => {
+  awaitingAuth = false
+  if (watchTimeout !== null) {
+    clearTimeout(watchTimeout)
+    watchTimeout = null
+  }
+  watchConnect()
+}
+
 let watchTimeout: any = null
 
 const watchReconnect = (event: MessageEvent) => {
   const store = useMainStore()
+  // Don't reconnect if we're awaiting authentication or auth iframe is showing
+  if (awaitingAuth || isAuthIframeOpen()) {
+    console.log('Skipping reconnect - awaiting authentication')
+    return
+  }
   if (store.connected) {
     console.warn("Disconnected from server", event)
     store.connected = false
     store.error = 'Reconnecting...'
   }
+  if (watchTimeout !== null) clearTimeout(watchTimeout)
   reconnDelay = Math.min(5000, reconnDelay + 500)
   // The server closes the websocket after errors, so we need to reopen it
-  if (watchTimeout !== null) clearTimeout(watchTimeout)
   watchTimeout = setTimeout(watchConnect, reconnDelay)
 }
 
@@ -147,9 +207,9 @@ function handleUpdateMessage(updateData: { update: UpdateEntry[] }) {
 
 function handleError(msg: errorEvent) {
   const store = useMainStore()
-  if (msg.error.code === 401) {
-    store.user.isOpenLoginModal = true
-    store.user.isLoggedIn = false
+  if (msg.error.code === 401 || msg.error.code === 403) {
+    // Show paskia auth iframe (works for both password and paskia modes)
+    handleWsAuthError(msg as any)
     return
   }
 }

frontend/src/stores/main.ts

@@ -1,42 +1,48 @@
 import type { FileEntry, FUID, SelectedItems } from '@/repositories/Document'
 import { Doc } from '@/repositories/Document'
-import { defineStore } from 'pinia'
+import { defineStore, type StateTree } from 'pinia'
 import { collator } from '@/utils'
-import { logoutUser } from '@/repositories/User'
-import { watchConnect } from '@/repositories/WS'
-import { shallowRef } from 'vue'
+import { watchConnect, resumeWatching } from '@/repositories/WS'
 import { sorted, type SortOrder } from '@/utils/docsort'
 
-type User = {
-  username: string
-  privileged: boolean
-  isOpenLoginModal: boolean
-  isLoggedIn: boolean
-}
-
-export const useMainStore = defineStore({
-  id: 'main',
+export const useMainStore = defineStore('main', {
   state: () => ({
-    document: shallowRef<Doc[]>([]),
-    selected: new Set<FUID>(),
+    document: [] as Doc[],
+    selected: new Set<FUID>([]),
     query: '' as string,
     fileExplorer: null as any,
     error: '' as string,
     connected: false,
-    server: {} as Record<string, any>,
+    authInProgress: false,
+    cursor: '' as string,
+    server: {} as Record<string, any> & { public?: boolean, paskia?: boolean },
+    dialog: '' as '' | 'settings' | 'usermgmt' | 'accessdenied',
+    uprogress: {} as any,
+    dprogress: {} as any,
     prefs: {
+      gallery: false,
       sortListing: '' as SortOrder,
       sortFiltered: '' as SortOrder,
     },
     user: {
-      username: '',
-      privileged: false,
-      isLoggedIn: false,
-      isOpenLoginModal: false
-    } as User
+      username: '' as string,
+      privileged: false as boolean,
+      isLoggedIn: false as boolean,
+    }
   }),
   persist: {
-    paths: ['prefs'],
+    pick: ['prefs', 'cursor', 'selected'],
+    serializer: {
+      deserialize: (data: string): StateTree => {
+        const ret = JSON.parse(data)
+        ret.selected = new Set(ret.selected)
+        return ret
+      },
+      serialize: (tree: StateTree): string => {
+        tree.selected = Array.from(tree.selected)
+        return JSON.stringify(tree)
+      }
+    },
   },
   actions: {
     updateRoot(root: FileEntry[]) {
@@ -60,23 +66,54 @@ export const useMainStore = defineStore({
       this.user.username = username
       this.user.privileged = privileged
       this.user.isLoggedIn = true
-      this.user.isOpenLoginModal = false
-      if (!this.connected) watchConnect()
+      this.dialog = ''
+      if (!this.connected) resumeWatching()
     },
-    loginDialog() {
-      this.user.isOpenLoginModal = true
+    clearSensitiveData() {
+      // Clear all sensitive state on logout or auth failure
+      localStorage.removeItem('cista-files')
+      this.document = []
+      this.selected.clear()
+      this.user.username = ''
+      this.user.privileged = false
+      this.user.isLoggedIn = false
+      this.connected = false
+      this.dialog = ''
+      this.cursor = ''
     },
     async logout() {
       console.log("Logout")
-      await logoutUser()
-      this.$reset()
-      localStorage.clear()
-      history.go() // Reload page
+      try {
+        const res = await fetch('/auth/api/logout', { method: 'POST' })
+        if (!res.ok) {
+          const data = await res.json().catch(() => ({}))
+          this.error = data.message || data.detail || 'Logout failed'
+          return
+        }
+      } catch (e) {
+        this.error = 'Logout failed'
+        return
+      }
+      this.clearSensitiveData()
+      resumeWatching()
     },
     toggleSort(name: SortOrder) {
       if (this.query) this.prefs.sortFiltered = this.prefs.sortFiltered === name ? '' : name
       else this.prefs.sortListing = this.prefs.sortListing === name ? '' : name
     },
+    sort(name: SortOrder | '') {
+      if (this.query) this.prefs.sortFiltered = name
+      else this.prefs.sortListing = name
+    },
+    focusBreadcrumb() {
+      (document.querySelector('.breadcrumb') as HTMLAnchorElement).focus()
+    },
+    cancelDownloads() {
+      location.reload()  // FIXME
+    },
+    cancelUploads() {
+      location.reload()  // FIXME
+    },
   },
   getters: {
     sortOrder(): SortOrder { return this.query ? this.prefs.sortFiltered : this.prefs.sortListing },
@@ -108,7 +145,7 @@ export const useMainStore = defineStore({
         ret.recursive.push([rel, full, doc])
       }
       for (const key of ret.keys) {
-        const base = ret.docs[key]
+        const base = ret.docs[key]!
         const basepath = base.loc ? `${base.loc}/${base.name}` : base.name
         const nremove = base.loc.length
         add(base.name, basepath, base)

frontend/src/stores/ssoAuth.ts

@@ -0,0 +1,19 @@
+import { defineStore } from 'pinia'
+import { computed } from 'vue'
+import { useMainStore } from './main'
+import { clearTree } from '@/repositories/WS'
+
+export const useSsoAuthStore = defineStore('ssoAuth', () => {
+  const isExternalAuth = computed(() => {
+    const mainStore = useMainStore()
+    return mainStore.server?.paskia === true
+  })
+
+  function clearDataOnUnauth() {
+    const mainStore = useMainStore()
+    mainStore.clearSensitiveData()
+    clearTree()
+  }
+
+  return { isExternalAuth, clearDataOnUnauth }
+})

frontend/src/utils/docsort.ts

@@ -13,3 +13,50 @@ export const sorted = (documents: Doc[], order: SortOrder) => {
   sorted.sort(ordering[order])
   return sorted
 }
+
+/**
+ * Sort documents while keeping files grouped by their folder.
+ * - name: folders sorted by folder path, items within by name
+ * - modified: folders sorted by newest item within results, items within by mtime
+ * - size: folders sorted by largest file within results, items within by size
+ */
+export const sortedGrouped = (documents: Doc[], order: SortOrder) => {
+  if (!order) return documents
+
+  const compare = ordering[order]
+
+  // Group documents by their folder location
+  const byFolder = new Map<string, Doc[]>()
+  for (const doc of documents) {
+    const folder = doc.loc
+    if (!byFolder.has(folder)) byFolder.set(folder, [])
+    byFolder.get(folder)!.push(doc)
+  }
+
+  // Sort items within each folder
+  for (const docs of byFolder.values()) {
+    docs.sort(compare)
+  }
+
+  // Find the "best" item in each folder (first after sorting = best according to criteria)
+  const folderBest = new Map<string, Doc>()
+  for (const [folder, docs] of byFolder) {
+    folderBest.set(folder, docs[0]!)
+  }
+
+  // Sort folders: by path for name sort, by best item for modified/size
+  const sortedFolders = [...byFolder.keys()].sort((a, b) => {
+    if (order === 'name') {
+      return collator.compare(a, b)
+    }
+    return compare(folderBest.get(a)!, folderBest.get(b)!)
+  })
+
+  // Flatten back into a single array with folder grouping preserved
+  const result: Doc[] = []
+  for (const folder of sortedFolders) {
+    result.push(...byFolder.get(folder)!)
+  }
+
+  return result
+}

frontend/src/utils/fileutil.ts

@@ -0,0 +1,8 @@
+import { useMainStore } from '@/stores/main'
+
+
+export const exists = (path: string[]) => {
+  const store = useMainStore()
+  const p = path.join('/')
+  return store.document.some(doc => (doc.loc ? `${doc.loc}/${doc.name}` : doc.name) === p)
+}

frontend/src/utils/index.ts

@@ -50,12 +50,11 @@ export function formatUnixDate(t: number) {
 }
 
 export function getFileExtension(filename: string) {
-  const parts = filename.split('.')
-  if (parts.length > 1) {
-    return parts[parts.length - 1]
-  } else {
-    return '' // No hay extensión
+  const dotIndex = filename.lastIndexOf('.')
+  if (dotIndex === -1 || dotIndex === filename.length - 1) {
+    return '' // No extension
   }
+  return filename.slice(dotIndex + 1)
 }
 interface FileTypes {
   [key: string]: string[]
@@ -68,9 +67,10 @@ const filetypes: FileTypes = {
 }
 
 export function getFileType(name: string): string {
-  const ext = name.split('.').pop()?.toLowerCase()
-  if (!ext || ext.length === name.length) return 'unknown'
-  return Object.keys(filetypes).find(type => filetypes[type].includes(ext)) || 'unknown'
+  const dotIndex = name.lastIndexOf('.')
+  if (dotIndex === -1 || dotIndex === name.length - 1) return 'unknown'
+  const ext = name.slice(dotIndex + 1).toLowerCase()
+  return Object.keys(filetypes).find(type => filetypes[type]!.includes(ext)) || 'unknown'
 }
 
 // Prebuilt for fast & consistent sorting

frontend/src/views/ExplorerView.vue

@@ -1,19 +1,28 @@
 <template>
-  <FileExplorer
+  <Gallery
+    v-if="store.prefs.gallery"
     ref="fileExplorer"
-    :key="Router.currentRoute.value.path"
+    :key="`gallery-${Router.currentRoute.value.path}`"
     :path="props.path"
     :documents="documents"
-    v-if="props.path"
   />
+  <FileExplorer
+    v-else
+    ref="fileExplorer"
+    :key="`explorer-${Router.currentRoute.value.path}`"
+    :path="props.path"
+    :documents="documents"
+  />
+  <EmptyFolder :documents=documents :path=props.path />
 </template>
 
 <script setup lang="ts">
-import { watchEffect, ref, computed } from 'vue'
+import { watchEffect, ref, computed, watch } from 'vue'
 import { useMainStore } from '@/stores/main'
 import Router from '@/router/index'
-import { needleFormat, localeIncludes, collator } from '@/utils';
-import { sorted } from '@/utils/docsort';
+import { needleFormat, localeIncludes, collator } from '@/utils'
+import { sorted, sortedGrouped } from '@/utils/docsort'
+import FileExplorer from '@/components/FileExplorer.vue'
 
 const store = useMainStore()
 const fileExplorer = ref()
@@ -40,9 +49,9 @@ const documents = computed(() => {
     }
   }
   const locsub = loc + '/'
-  // Custom sort override in effect?
+  // Custom sort override in effect? Use grouped sorting to keep folders together
   const order = store.prefs.sortFiltered
-  if (order) return sorted(docs, order)
+  if (order) return sortedGrouped(docs, order)
   // Sort by relevance - current folder, then subfolders, then others
   docs.sort((a, b) => (
     // @ts-ignore
@@ -63,4 +72,24 @@ watchEffect(() => {
   store.fileExplorer = fileExplorer.value
   store.query = props.query
 })
+
+// Only auto-switch gallery mode when entering a new folder or on initial file list load
+watch([() => props.path.join('/'), () => store.document.length], ([path, len], [oldPath, oldLen]) => {
+  // React to path change or initial document load (0 → non-zero)
+  if (path === oldPath && oldLen !== undefined && oldLen > 0) return
+  store.prefs.gallery = documents.value.some(d => d.previewable)
+}, { immediate: true })
 </script>
+
+<style scoped>
+.empty-container {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  height: 100%;
+  font-size: 2rem;
+  text-shadow: 0 0 .3rem #000, 0 0 2rem #0008;
+  color: var(--accent-color);
+}
+</style>

frontend/vite-plugin-fastapi.js

@@ -0,0 +1,35 @@
+/**
+ * FastAPI-Vue Vite Plugin
+ *
+ * Configures Vite for FastAPI backend integration:
+ * - Proxies /api/* requests to the FastAPI backend
+ * - Builds to the Python module's frontend-build directory
+ *
+ * Environment variables (with defaults):
+ *   FASTAPI_VUE_BACKEND_URL=http://localhost:5180 - Backend API URL for proxying
+ */
+
+const backendUrl = process.env.FASTAPI_VUE_BACKEND_URL || "http://localhost:5180"
+
+export default function fastapiVue({ paths = ["/api"] } = {}) {
+  // Build proxy configuration for each path
+  const proxy = {}
+  for (const path of paths) {
+    proxy[path] = {
+      target: backendUrl,
+      changeOrigin: false,
+      ws: true,
+    }
+  }
+
+  return {
+    name: "fastapi-vite",
+    config: () => ({
+      server: { proxy },
+      build: {
+        outDir: "../cista/frontend-build",
+        emptyOutDir: true,
+      },
+    }),
+  }
+}

frontend/vite.config.ts

@@ -1,27 +1,19 @@
 import { fileURLToPath, URL } from 'node:url'
+import fastapiVue from './vite-plugin-fastapi.js'
 
 import { defineConfig } from 'vite'
 import vue from '@vitejs/plugin-vue'
 
 // @ts-ignore
-import pluginRewriteAll from 'vite-plugin-rewrite-all'
 import svgLoader from 'vite-svg-loader'
 import Components from 'unplugin-vue-components/vite'
 
-// Development mode:
-// npm run dev           # Run frontend that proxies to dev_backend
-// cista -l :8000 --dev  # Run backend
-const dev_backend = {
-  target: "http://localhost:8000",
-  changeOrigin: false,  // Use frontend "host" to match "origin" from browser
-  ws: true,
-}
-
 // https://vitejs.dev/config/
+// Note: fastapiVue() handles proxy and build output (uses FASTAPI_VUE_BACKEND_URL env)
 export default defineConfig({
   plugins: [
+    fastapiVue({ paths: ["/api", "/auth", "/files", "/zip", "/preview"] }),
     vue(),
-    pluginRewriteAll(),
     svgLoader(),          // import svg files
     Components(),         // auto import components
   ],
@@ -38,17 +30,16 @@ export default defineConfig({
       '@': fileURLToPath(new URL('./src', import.meta.url))
     }
   },
-  server: {
-    proxy: {
-      "/api": dev_backend,
-      "/files": dev_backend,
-      "/login": dev_backend,
-      "/logout": dev_backend,
-      "/zip": dev_backend,
-    }
-  },
   build: {
-    outDir: "../cista/wwwroot",
-    emptyOutDir: true,
-  }
+    rollupOptions: {
+      output: {
+        manualChunks: {
+          // Bundle all SVG icons into a single chunk
+          icons: [
+            '/src/assets/svg/index.ts',
+          ],
+        },
+      },
+    },
+  },
 })

pyproject.toml

@@ -10,22 +10,42 @@ readme = "README.md"
 authors = [
     { name = "Vasanko" },
 ]
+maintainers = [
+    { name = "Vasanko" },
+]
+keywords = ["file-server", "web-interface", "dropbox", "storage"]
 classifiers = [
+    "Development Status :: 5 - Production/Stable",
+    "Environment :: Web Environment",
+    "Intended Audience :: End Users/Desktop",
+    "Intended Audience :: System Administrators",
+    "License :: Public Domain",
+    "License :: OSI Approved :: MIT License",
 ]
 requires-python = ">=3.11"
 dependencies = [
-    "argon2-cffi",
-    "blake3",
-    "brotli",
-    "docopt",
-    "inotify",
-    "msgspec",
-    "natsort",
-    "pathvalidate",
-    "pyjwt",
-    "sanic",
-    "stream-zip",
-    "tomli_w",
+    "argon2-cffi>=25.1.0",
+    "av>=15.0.0",
+    "blake3>=1.0.5",
+    "docopt>=0.6.2",
+    "fastapi-vue>=0.5.1",
+    "fastapi[standard]>=0.128.0",
+    "html5tagger>=1.3.0",
+    "httpx>=0.28.0",
+    "inotify>=0.2.12",
+    "msgspec>=0.19.0",
+    "natsort>=8.4.0",
+    "numpy>=2.3.2",
+    "pathvalidate>=3.3.1",
+    "pillow>=11.3.0",
+    "pillow-heif>=1.1.0",
+    "pyjwt>=2.10.1",
+    "pymupdf>=1.26.3",
+    "sanic>=25.12.0",
+    "setproctitle>=1.3.6",
+    "stream-zip>=0.0.83",
+    "tomli_w>=1.2.0",
+    "zstandard>=0.24.0",
 ]
 
 [project.urls]
@@ -36,66 +56,105 @@ cista = "cista.__main__:main"
 
 [project.optional-dependencies]
 dev = [
-    "pytest",
-    "ruff",
+    "pytest>=8.4.1",
+    "ruff>=0.8.0",
+    "mypy>=1.13.0",
+    "pre-commit>=4.0.0",
+]
+test = [
+    "pytest>=8.4.1",
+    "pytest-cov>=6.0.0",
+    "pytest-asyncio>=0.25.0",
+]
+docs = [
+    "sphinx>=8.0.0",
+    "sphinx-rtd-theme>=3.0.0",
 ]
 
 [tool.hatch.version]
 source = "vcs"
 
 [tool.hatch.build]
-artifacts = ["cista/wwwroot"]
-hooks.custom.path = "scripts/build-frontend.py"
+artifacts = ["cista/frontend-build"]
+targets.sdist.hooks.custom.path = "scripts/fastapi-vue/build-frontend.py"
+targets.sdist.include = [
+    "/cista",
+]
 hooks.vcs.version-file = "cista/_version.py"
 hooks.vcs.template = """
 # This file is automatically generated by hatch build.
 __version__ = {version!r}
 """
 only-packages = true
-targets.sdist.include = [
-    "/cista",
-]
+packages = ["cista"]
 
 [tool.pytest.ini_options]
 addopts = [
     "--import-mode=importlib",
-    "--verbosity=-1",
-    "-p no:warnings",
+    "--verbosity=2",
+    "--strict-markers",
+    "--strict-config",
+    "--cov=cista",
+    "--cov-report=term-missing",
+    "--cov-report=html",
+    "--cov-branch",
 ]
-testpaths = [
-    "tests",
+testpaths = ["tests"]
+python_files = ["test_*.py", "*_test.py"]
+python_classes = ["Test*"]
+python_functions = ["test_*"]
+markers = [
+    "slow: marks tests as slow (deselect with '-m \"not slow\"')",
+    "integration: marks tests as integration tests",
+]
+filterwarnings = [
+    "error",
+    "ignore::UserWarning",
+    "ignore::DeprecationWarning",
 ]
 
-[tool.ruff]
-select = ["ALL"]
-ignore = [
-    "A0",
-    "ARG001",
-    "ANN",
-    "B018",
-    "BLE001",
-    "C901",
-    "COM812",  # conflicts with ruff format
-    "D",
-    "E501",
-    "EM1",
-    "FIX002",
-    "ISC001",  # conflicts with ruff format
-    "PGH003",
-    "PLR0912",
-    "PLR2004",
-    "PLW0603",
-    "S101",
-    "SLF001",
-    "T201",
-    "TD0",
-    "TRY",
+[tool.ruff.lint]
+isort.known-first-party = ["cista"]
+per-file-ignores."tests/*" = ["S", "ANN", "D", "INP", "PLR2004"]
+per-file-ignores."scripts/*" = ["T20"]
+
+[dependency-groups]
+dev = [
+    "pytest>=8.4.1",
+    "ruff>=0.8.0",
+    "mypy>=1.13.0",
+    "pre-commit>=4.0.0",
+    "httpx>=0.28.1",
+]
+test = [
+    "pytest>=8.4.1",
+    "pytest-cov>=6.0.0",
+    "pytest-asyncio>=0.25.0",
 ]
-show-source = true
-show-fixes = true
 
-[tool.ruff.isort]
-known-first-party = ["cista"]
+[tool.coverage.run]
+source = ["cista"]
+branch = true
+omit = [
+    "*/tests/*",
+    "*/test_*",
+    "*/__pycache__/*",
+    "cista/_version.py",
+]
 
-[tool.ruff.per-file-ignores]
-"tests/*" = ["S", "ANN", "D", "INP"]
+[tool.coverage.report]
+exclude_lines = [
+    "pragma: no cover",
+    "def __repr__",
+    "if self.debug:",
+    "if settings.DEBUG",
+    "raise AssertionError",
+    "raise NotImplementedError",
+    "if 0:",
+    "if __name__ == .__main__.:",
+    "class .*\\bProtocol\\):",
+    "@(abc\\.)?abstractmethod",
+]
+show_missing = true
+skip_covered = false
+precision = 2

scripts/build-frontend.py

@@ -1,12 +0,0 @@
-# noqa: INP001
-import subprocess
-
-from hatchling.builders.hooks.plugin.interface import BuildHookInterface
-
-
-class CustomBuildHook(BuildHookInterface):
-    def initialize(self, version, build_data):
-        super().initialize(version, build_data)
-        print("Building Cista frontend...")
-        subprocess.run("npm install --prefix frontend".split(" "), check=True)  # noqa: S603
-        subprocess.run("npm run build --prefix frontend".split(" "), check=True)  # noqa: S603

scripts/devserver.py

@@ -0,0 +1,107 @@
+#!/usr/bin/env -S uv run
+"""Run Vite development server for frontend and Cista backend with auto-reload.
+
+Usage:
+    uv run scripts/devserver.py [frontend] [--backend backend]
+
+Options:
+    frontend    Vite frontend endpoint (default: localhost:5173)
+    --backend   Cista backend endpoint (default: from config, or :8000)
+
+Environment:
+    JS_RUNTIME  Path or name of JS runtime to use (deno, npm/node or bun).
+"""
+
+import argparse
+import asyncio
+import contextlib
+import os
+import sys
+from pathlib import Path
+
+# Import devutil from scripts/fastapi-vue (not a package, so we adjust sys.path)
+sys.path.insert(0, str(Path(__file__).with_name("fastapi-vue")))
+from devutil import ProcessGroup, logger, ready, setup_vite  # type: ignore
+
+from cista import config
+from cista.serve import parse_listen
+
+DEFAULT_BACKEND_PORT = 8000
+
+
+def setup_sanic_backend(listen: str | None) -> tuple[str, list[str]]:
+    """Parse backend listen address and build cista dev command.
+
+    Returns (url, cmd).
+    """
+    config.load_config()
+    listen = listen or config.config.listen or f":{DEFAULT_BACKEND_PORT}"
+    url, opts = parse_listen(listen)
+    port = opts.get("port", DEFAULT_BACKEND_PORT)
+    host = opts.get("host", "localhost") or "localhost"
+
+    cmd = ["cista", "--dev", "-l", listen]
+    return f"http://{host}:{port}", cmd
+
+
+async def run_devserver(frontend: str | None, backend: str | None) -> None:
+    reporoot = Path(__file__).parent.parent
+    front = reporoot / "frontend"
+    if not (front / "package.json").exists():
+        logger.warning("Frontend source not found at %s", front)
+        raise SystemExit(1)
+
+    frontend_url, npm_install, vite = setup_vite(frontend or "")
+    backend_url, sanic_cmd = setup_sanic_backend(backend)
+
+    # Tell vite where to proxy API requests
+    os.environ["FASTAPI_VUE_BACKEND_URL"] = backend_url
+
+    async with ProcessGroup() as pg:
+        install_proc = await pg.spawn(*npm_install, cwd=str(front))
+        await asyncio.sleep(0.2)  # reduce message overlap
+        await pg.spawn(*sanic_cmd, cwd=str(reporoot))
+
+        # Wait for both install and backend to be ready
+        async with asyncio.TaskGroup() as tg:
+            tg.create_task(pg.wait(install_proc))
+            tg.create_task(ready(backend_url, path="/api/health?from=devserver.py"))
+
+        # Start Vite dev server (ProcessGroup waits for any exit, then terminates others)
+        await pg.spawn(*vite, cwd=str(front))
+
+
+def main():
+    parser = argparse.ArgumentParser(
+        description="Run Vite and Cista (Sanic) development servers",
+        formatter_class=argparse.RawDescriptionHelpFormatter,
+        epilog=HELP_EPILOG,
+    )
+    parser.add_argument(
+        "frontend",
+        nargs="?",
+        metavar="host:port",
+        help="Vite frontend endpoint (default: localhost:5173)",
+    )
+    parser.add_argument(
+        "--backend",
+        "-l",
+        metavar="host:port",
+        help="Cista backend endpoint (default: from config, or :8000)",
+    )
+    args = parser.parse_args()
+    with contextlib.suppress(KeyboardInterrupt):
+        asyncio.run(run_devserver(args.frontend, args.backend))
+
+
+HELP_EPILOG = """
+  scripts/devserver.py                       # Default ports
+  scripts/devserver.py 3000                  # Vite on localhost:3000
+  scripts/devserver.py :3000 --backend 8080  # Vite on *:3000, backend on :8080
+
+  JS_RUNTIME environment variable can be used to select the JS runtime
+"""
+
+
+if __name__ == "__main__":
+    main()

scripts/fastapi-vue/build-frontend.py

@@ -0,0 +1,15 @@
+"""Hatch build hook for building Vue frontend during package build."""
+
+import sys
+from pathlib import Path
+
+from hatchling.builders.hooks.plugin.interface import BuildHookInterface  # type: ignore
+
+sys.path.insert(0, str(Path(__file__).parent))
+from buildutil import build
+
+
+class CustomBuildHook(BuildHookInterface):
+    def initialize(self, version, build_data):
+        super().initialize(version, build_data)
+        build("frontend")

scripts/fastapi-vue/buildutil.py

@@ -0,0 +1,191 @@
+"""Utilities used at build time and in devserver script. No dependencies."""
+
+import logging
+import os
+import re
+import shutil
+import subprocess
+from pathlib import Path
+
+
+class _PrefixFormatter(logging.Formatter):
+    """Formatter that adds prefix based on log level."""
+
+    def format(self, record: logging.LogRecord) -> str:
+        if record.levelno >= logging.WARNING:
+            return f"┃ ⚠️  {record.getMessage()}"
+        return record.getMessage()
+
+
+_handler = logging.StreamHandler()
+_handler.setFormatter(_PrefixFormatter())
+logger = logging.getLogger("fastapi-vue")
+logger.addHandler(_handler)
+logger.setLevel(logging.INFO)
+
+
+def _check_node_version(node_path: str) -> None:
+    """Check if Node.js version is >= 20.
+
+    Raises RuntimeError if version is too old or cannot be determined.
+    """
+    try:
+        result = subprocess.run(
+            [node_path, "--version"], capture_output=True, text=True, check=True
+        )
+        version_str = result.stdout.strip()
+        # Parse version like "v20.10.0" or "v18.17.1"
+        match = re.match(r"v(\d+)", version_str)
+        if match:
+            major_version = int(match.group(1))
+            if major_version >= 20:
+                return
+            raise RuntimeError(
+                f"Node.js {version_str} found, but v20+ required (install with nvm)"
+            )
+    except (subprocess.CalledProcessError, FileNotFoundError, ValueError):
+        pass
+    raise RuntimeError("Could not determine Node.js version")
+
+
+def find_js_runtime() -> tuple[str, str]:
+    """Find a JavaScript runtime from JS_RUNTIME env or auto-detect.
+
+    Returns (tool_path, tool_name) where tool_name is "deno", "npm", or "bun".
+    Raises JSRuntimeError if no suitable runtime is found.
+    """
+    options = ["npm", "deno", "bun"]
+    node_version_error: RuntimeError | None = None
+
+    # Check for JS_RUNTIME environment variable
+    if js_runtime_env := os.environ.get("JS_RUNTIME"):
+        js_runtime = js_runtime_env
+        js_path = Path(js_runtime)
+        runtime_name = js_path.name
+        # Map node to npm
+        if runtime_name == "node":
+            runtime_name = "npm"
+            js_runtime = str(js_path.parent / "npm") if js_path.parent.name else "npm"
+        for option in options:
+            if option == runtime_name or runtime_name.startswith(option):
+                tool = shutil.which(js_runtime)
+                if tool is None:
+                    raise RuntimeError(
+                        f"JS_RUNTIME={js_runtime_env}: {option} not found"
+                    )
+                # Check Node.js version if using npm
+                if option == "npm":
+                    node_path = shutil.which("node", path=str(Path(tool).parent))
+                    if node_path is None:
+                        raise RuntimeError(
+                            f"JS_RUNTIME={js_runtime_env}: node not found"
+                        )
+                    _check_node_version(node_path)  # Raises on failure
+                return tool, option
+        raise RuntimeError(f"JS_RUNTIME={js_runtime_env} not recognized")
+
+    # Auto-detect
+    for option in options:
+        if tool := shutil.which(option):
+            # Check Node.js version if using npm
+            if option == "npm":
+                node_path = shutil.which("node", path=str(Path(tool).parent))
+                if node_path is None:
+                    continue
+                try:
+                    _check_node_version(node_path)
+                except RuntimeError as e:
+                    node_version_error = e
+                    continue  # Try next runtime
+            return tool, option
+
+    # No runtime found - provide helpful error
+    if node_version_error:
+        raise node_version_error
+    raise RuntimeError("Node.js (v20+), Deno or Bun is required but none was found")
+
+
+def find_build_tool():
+    """Find JavaScript runtime and construct install/build commands.
+
+    Returns (install_cmd, build_cmd) tuples of command lists.
+    Raises RuntimeError if no runtime is found.
+    """
+    install = {
+        "deno": ("install", "--allow-scripts=npm:vue-demi"),
+        "npm": ("install",),
+        "bun": ("--bun", "install"),
+    }
+    # Run vite directly for deno to avoid npm-run-all2/run-p issues
+    build = {
+        "deno": ("run", "-A", "npm:vite", "build"),
+        "npm": ("run", "build"),
+        "bun": ("--bun", "run", "build"),
+    }
+
+    tool, name = find_js_runtime()
+    return [tool, *install[name]], [tool, *build[name]]
+
+
+def find_dev_tool() -> list[str]:
+    """Find JavaScript runtime and construct dev command.
+
+    Returns dev_cmd (without vite-specific args).
+    Raises RuntimeError if no runtime is found.
+    """
+    dev_args = {
+        "deno": ("run", "dev", "--"),
+        "npm": ("--silent", "run", "dev", "--"),
+        "bun": ("run", "dev", "--"),
+    }
+
+    tool, name = find_js_runtime()
+
+    if name == "bun":
+        logger.warning(
+            "Bun has a bug in WS proxying (https://github.com/oven-sh/bun/issues/9882). Consider using npm instead."
+        )
+
+    return [tool, *dev_args[name]]
+
+
+def find_install_tool() -> list[str]:
+    """Find JavaScript runtime and construct install command.
+
+    Returns install_cmd.
+    Raises RuntimeError if no runtime is found.
+    """
+    install_args = {
+        "deno": ("install", "--quiet", "--allow-scripts=npm:vue-demi"),
+        "npm": ("install", "--silent"),
+        "bun": ("install", "--silent"),
+    }
+
+    tool, name = find_js_runtime()
+    return [tool, *install_args[name]]
+
+
+def build(folder: str = "frontend") -> None:
+    """Build the frontend in the specified folder.
+
+    Raises SystemExit(1) on failure.
+    """
+    logger.info(">>> Building %s", folder)
+
+    try:
+        install_cmd, build_cmd = find_build_tool()
+    except RuntimeError as e:
+        logger.warning(e)
+        raise SystemExit(1)
+
+    def run(cmd):
+        display_cmd = [Path(cmd[0]).name, *cmd[1:]]
+        logger.info("### %s", " ".join(display_cmd))
+        subprocess.run(cmd, check=True, cwd=folder)
+
+    try:
+        run(install_cmd)
+        logger.info("")
+        run(build_cmd)
+    except subprocess.CalledProcessError:
+        raise SystemExit(1)

scripts/fastapi-vue/devutil.py

@@ -0,0 +1,157 @@
+"""Utilities meant for devserver script, used only in source repository with dev deps."""
+
+import asyncio
+from pathlib import Path
+
+import httpx
+from buildutil import find_dev_tool, find_install_tool, logger
+from fastapi_vue.hostutil import parse_endpoint
+
+DEFAULT_VITE_PORT = 5173
+DEFAULT_BACKEND_PORT = 5180
+
+
+class ProcessGroup:
+    """Manage async subprocesses with automatic cleanup, like TaskGroup for processes."""
+
+    def __init__(self):
+        self._procs: list[asyncio.subprocess.Process] = []
+
+    async def spawn(
+        self, *cmd: str, cwd: str | None = None
+    ) -> asyncio.subprocess.Process:
+        """Spawn a subprocess and track it."""
+        logger.info(">>> %s", " ".join([Path(cmd[0]).name, *cmd[1:]]))
+        proc = await asyncio.create_subprocess_exec(*cmd, cwd=cwd)
+        self._procs.append(proc)
+        return proc
+
+    async def wait(self, proc: asyncio.subprocess.Process) -> None:
+        """Wait for a process to complete, raise SystemExit(1) on failure."""
+        if await proc.wait() != 0:
+            logger.warning("Command failed")
+            raise SystemExit(1)
+
+    async def __aenter__(self):
+        return self
+
+    async def __aexit__(self, exc_type, *_):
+        """Wait for one process to exit, terminate others, then wait for all."""
+        cleanup_task = asyncio.create_task(self._cleanup())
+        try:
+            await asyncio.shield(cleanup_task)
+        except asyncio.CancelledError:
+            # Shield was cancelled but cleanup_task continues - wait for it
+            await cleanup_task
+
+    async def _cleanup(self):
+        running = [p for p in self._procs if p.returncode is None]
+        if not running:
+            return
+
+        # Wait for any one process to exit
+        await asyncio.wait(
+            [asyncio.create_task(p.wait()) for p in running],
+            return_when=asyncio.FIRST_COMPLETED,
+        )
+
+        # Terminate remaining processes
+        for p in self._procs:
+            if p.returncode is None:
+                try:
+                    p.terminate()
+                except ProcessLookupError:
+                    pass
+
+        # Wait for all to finish (with overall timeout)
+        still_running = [p for p in self._procs if p.returncode is None]
+        if still_running:
+            try:
+                await asyncio.wait_for(
+                    asyncio.gather(*[p.wait() for p in still_running]),
+                    timeout=10,
+                )
+            except TimeoutError:
+                for p in self._procs:
+                    if p.returncode is None:
+                        try:
+                            p.kill()
+                        except ProcessLookupError:
+                            pass
+                        await p.wait()
+
+
+async def ready(url: str, path: str = "") -> None:
+    """Wait for the server to be ready by polling an endpoint.
+
+    Raises SystemExit(1) if server doesn't start in time.
+    """
+    max_attempts = 50
+    full_url = f"{url}{path}"
+
+    async with httpx.AsyncClient() as client:
+        for attempt in range(max_attempts):
+            try:
+                await client.get(full_url, timeout=1.0)
+                logger.info("✓ Backend ready!")
+                return
+            except httpx.RequestError:
+                if attempt == max_attempts - 1:
+                    logger.warning("Backend didn't start in time")
+                    raise SystemExit(1)
+                await asyncio.sleep(0.1)
+
+
+def setup_vite(endpoint: str) -> tuple[str, list[str], list[str]]:
+    """Parse frontend endpoint and build commands.
+
+    Returns (url, install_cmd, dev_cmd).
+    Raises SystemExit(1) on invalid config.
+    """
+    endpoints = parse_endpoint(endpoint, DEFAULT_VITE_PORT)
+
+    if "uds" in endpoints[0]:
+        logger.warning("Unix sockets not supported with vite devserver")
+        raise SystemExit(1)
+
+    port = endpoints[0]["port"]
+    host = endpoints[0]["host"]
+
+    install_cmd = find_install_tool()
+    dev_cmd = find_dev_tool()
+    if host != "localhost":
+        dev_cmd.append("--host" if len(endpoints) > 1 else f"--host={host}")
+    if port != 5173:
+        dev_cmd.append(f"--port={port}")
+
+    return f"http://{host}:{port}", install_cmd, dev_cmd
+
+
+def setup_fastapi(
+    endpoint: str, module: str, default_port: int = DEFAULT_BACKEND_PORT
+) -> tuple[str, list[str]]:
+    """Parse backend endpoint and build fastapi dev command.
+
+    Returns (url, cmd).
+    Raises SystemExit(1) on invalid config.
+    """
+    endpoints = parse_endpoint(endpoint, default_port)
+
+    if "uds" in endpoints[0]:
+        logger.warning("Unix sockets not supported with vite devserver")
+        raise SystemExit(1)
+
+    host = endpoints[0]["host"]
+    port = endpoints[0]["port"]
+
+    cmd = [
+        "fastapi",
+        "dev",
+        "--entrypoint",
+        module,
+        "--host",
+        host,
+        "--port",
+        str(port),
+    ]
+    return f"http://{host}:{port}", cmd

tests/test_watching.py

@@ -1,10 +1,7 @@
-from pathlib import PurePosixPath
-
 import msgspec
-import pytest
 
 from cista.protocol import FileEntry, UpdateMessage, UpdDel, UpdIns, UpdKeep
-from cista.watching import State, format_update
+from cista.watching import format_update
 
 
 def decode(data: str):
@@ -37,6 +34,14 @@ def test_insertions():
     assert decode(format_update(old_list, new_list)) == expected
 
 
+def test_insertion_at_end():
+    old_list = [*f(3), FileEntry(1, "xxx", "xxx", 0, 0, 1)]
+    newfile = FileEntry(1, "yyy", "yyy", 0, 0, 1)
+    new_list = [*old_list, newfile]
+    expected = [UpdKeep(4), UpdIns([newfile])]
+    assert decode(format_update(old_list, new_list)) == expected
+
+
 def test_deletions():
     old_list = f(3)
     new_list = [old_list[0], old_list[2]]
@@ -83,54 +88,3 @@ def test_longer_lists():
 def sortkey(name):
     # Define the sorting key for names here
     return name.lower()
-
-
-@pytest.fixture()
-def state():
-    entries = [
-        FileEntry(0, "", "root", 0, 0, 0),
-        FileEntry(1, "bar", "bar", 0, 0, 0),
-        FileEntry(2, "baz", "bar/baz", 0, 0, 0),
-        FileEntry(1, "foo", "foo", 0, 0, 0),
-        FileEntry(1, "xxx", "xxx", 0, 0, 0),
-        FileEntry(2, "yyy", "xxx/yyy", 0, 0, 1),
-    ]
-    s = State()
-    s._listing = entries
-    return s
-
-
-def test_existing_directory(state):
-    path = PurePosixPath("bar")
-    expected_slice = slice(1, 3)  # Includes 'bar' and 'baz'
-    assert state._slice(path) == expected_slice
-
-
-def test_existing_file(state):
-    path = PurePosixPath("xxx/yyy")
-    expected_slice = slice(5, 6)  # Only includes 'yyy'
-    assert state._slice(path) == expected_slice
-
-
-def test_nonexistent_directory(state):
-    path = PurePosixPath("zzz")
-    expected_slice = slice(6, 6)  # 'zzz' would be inserted at end
-    assert state._slice(path) == expected_slice
-
-
-def test_nonexistent_file(state):
-    path = (PurePosixPath("bar/mmm"), 1)
-    expected_slice = slice(3, 3)  # A file would be inserted after 'baz' under 'bar'
-    assert state._slice(path) == expected_slice
-
-
-def test_root_directory(state):
-    path = PurePosixPath()
-    expected_slice = slice(0, 6)  # Entire tree
-    assert state._slice(path) == expected_slice
-
-
-def test_directory_with_subdirs_and_files(state):
-    path = PurePosixPath("xxx")
-    expected_slice = slice(4, 6)  # Includes 'xxx' and 'yyy'
-    assert state._slice(path) == expected_slice