Allow multiple commands on control socket without disconnecting.

cista/api.py

@@ -6,7 +6,7 @@ from sanic import Blueprint
 
 from cista import watching
 from cista.fileio import FileServer
-from cista.protocol import ControlBase, FileRange, StatusMsg
+from cista.protocol import ControlTypes, FileRange, StatusMsg
 from cista.util.apphelpers import asend, websocket_wrapper
 
 bp = Blueprint("api", url_prefix="/api")
@@ -76,9 +76,10 @@ async def download(req, ws):
 @bp.websocket("control")
 @websocket_wrapper
 async def control(req, ws):
-    cmd = msgspec.json.decode(await ws.recv(), type=ControlBase)
-    await asyncio.to_thread(cmd)
-    await asend(ws, StatusMsg(status="ack", req=cmd))
+    while True:
+        cmd = msgspec.json.decode(await ws.recv(), type=ControlTypes)
+        await asyncio.to_thread(cmd)
+        await asend(ws, StatusMsg(status="ack", req=cmd))
 
 
 @bp.websocket("watch")

cista/app.py

@@ -2,12 +2,13 @@ import mimetypes
 from importlib.resources import files
 from urllib.parse import unquote
 
+import asyncio
+import brotli
 from sanic import Blueprint, Sanic, raw
 from sanic.exceptions import Forbidden, NotFound
 
 from cista import auth, config, session, watching
 from cista.api import bp
-from cista.util import filename
 from cista.util.apphelpers import handle_sanic_exception
 
 app = Sanic("cista", strict_slashes=True)
@@ -58,15 +59,54 @@ def http_fileserver(app, _):
     app.blueprint(bp)
 
 
+www = {}
+
+
+@app.before_server_start
+def load_wwwroot(app):
+    global www
+    wwwnew = {}
+    base = files("cista") / "wwwroot"
+    paths = ["."]
+    while paths:
+        path = paths.pop(0)
+        current = base / path
+        for p in current.iterdir():
+            if p.is_dir():
+                paths.append(current / p.parts[-1])
+                continue
+            name = p.relative_to(base).as_posix()
+            mime = mimetypes.guess_type(name)[0] or "application/octet-stream"
+            data = p.read_bytes()
+            # Use old data if not changed
+            if name in www and www[name][0] == data:
+                wwwnew[name] = www[name]
+                continue
+            # Precompress with Brotli
+            br = brotli.compress(data)
+            if len(br) >= len(data):
+                br = False
+            wwwnew[name] = data, br, mime
+    www = wwwnew
+
+
+@app.add_task
+async def refresh_wwwroot():
+    while app.debug:
+        await asyncio.sleep(0.5)
+        load_wwwroot(app)
+
+
 @app.get("/<path:path>", static=True)
 async def wwwroot(req, path=""):
     """Frontend files only"""
-    name = filename.sanitize(unquote(path)) if path else "index.html"
-    try:
-        index = files("cista").joinpath("wwwroot", name).read_bytes()
-    except OSError as e:
-        raise NotFound(
-            f"File not found: /{path}", extra={"name": name, "exception": repr(e)}
-        )
-    mime = mimetypes.guess_type(name)[0] or "application/octet-stream"
-    return raw(index, content_type=mime)
+    name = unquote(path) or "index.html"
+    if name not in www:
+        raise NotFound(f"File not found: /{path}", extra={"name": name})
+    data, br, mime = www[name]
+    headers = {}
+    # Brotli compressed?
+    if br and "br" in req.headers.accept_encoding.split(", "):
+        headers["content-encoding"] = "br"
+        data = br
+    return raw(data, content_type=mime, headers=headers)

cista/protocol.py

@@ -78,6 +78,9 @@ class Cp(ControlBase):
             )
 
 
+ControlTypes = MkDir | Rename | Rm | Mv | Cp
+
+
 ## File uploads and downloads
 
 

pyproject.toml

@@ -15,6 +15,7 @@ classifiers = [
 ]
 dependencies = [
     "argon2-cffi",
+    "brotli",
     "docopt",
     "inotify",
     "msgspec",