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file_manager: fix reserved path handling during runtime 

If the user creates or moves a folder that was is reserved
reserved correctly ignore or remove watches as appropriate.

Signed-off-by:  Eric Callahan <arksine.code@gmail.com>
This commit is contained in:
Eric Callahan 2023-10-03 08:03:56 -04:00
parent a222ff0042
commit 0c6b4e0dad
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GPG Key ID: 5A1EB336DFB4C71B
1 changed files with 44 additions and 22 deletions
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66
moonraker/components/file_manager/file_manager.py
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@ -1645,6 +1645,9 @@ class InotifyNode:
return True
return self.parent_node.is_processing()
def has_child_node(self, child_name: str):
return child_name in self.child_nodes
def add_event(self, evt_name: str, timeout: float) -> None:
if evt_name in self.pending_node_events:
self.reset_event(evt_name, timeout)
@ -1912,11 +1915,9 @@ class InotifyObserver(BaseFileSystemObserver):
action = "delete_dir"
self.notify_filelist_changed(action, root, item_path)
def _schedule_pending_move(self,
evt: InotifyEvent,
parent_node: InotifyNode,
is_dir: bool
) -> None:
def _schedule_pending_move(
self, evt: InotifyEvent, parent_node: InotifyNode, is_dir: bool
) -> None:
hdl = self.event_loop.delay_callback(
INOTIFY_MOVE_TIME, self._handle_move_timeout,
evt.cookie, is_dir)
@ -1948,34 +1949,55 @@ class InotifyObserver(BaseFileSystemObserver):
node_path = node.get_path()
full_path = os.path.join(node_path, evt.name)
if evt.mask & iFlags.CREATE:
self.sync_lock.add_pending_path("create_dir", full_path)
logging.debug(f"Inotify directory create: {root}, "
f"{node_path}, {evt.name}")
node.create_child_node(evt.name)
logging.debug(f"Inotify directory create: {root}, {node_path}, {evt.name}")
if self.file_manager.check_reserved_path(full_path, True, False):
logging.debug(
f"Inotify - ignoring create watch at reserved path: {full_path}"
)
else:
self.sync_lock.add_pending_path("create_dir", full_path)
node.create_child_node(evt.name)
elif evt.mask & iFlags.DELETE:
logging.debug(f"Inotify directory delete: {root}, "
f"{node_path}, {evt.name}")
logging.debug(f"Inotify directory delete: {root}, {node_path}, {evt.name}")
node.schedule_child_delete(evt.name, True)
elif evt.mask & iFlags.MOVED_FROM:
logging.debug(f"Inotify directory move from: {root}, "
f"{node_path}, {evt.name}")
self._schedule_pending_move(evt, node, True)
logging.debug(
f"Inotify directory move from: {root}, {node_path}, {evt.name}"
)
if node.has_child_node(evt.name):
self._schedule_pending_move(evt, node, True)
else:
logging.debug(
f"Inotify - Child node with name {evt.name} does not exist"
)
elif evt.mask & iFlags.MOVED_TO:
logging.debug(f"Inotify directory move to: {root}, "
f"{node_path}, {evt.name}")
logging.debug(f"Inotify directory move to: {root}, {node_path}, {evt.name}")
moved_evt = self.pending_moves.pop(evt.cookie, None)
if moved_evt is not None:
self.sync_lock.add_pending_path("move_dir", full_path)
# Moved from a currently watched directory
prev_parent, child_name, hdl = moved_evt
hdl.cancel()
prev_parent.move_child_node(child_name, evt.name, node)
if self.file_manager.check_reserved_path(full_path, True, False):
# Previous node was renamed/moved to a reserved path. To API
# consumers this will appear as deleted
logging.debug(
f"Inotify - deleting prev folder {child_name} moved to "
f"reserved path: {full_path}"
)
prev_parent.schedule_child_delete(child_name, True)
else:
prev_parent.move_child_node(child_name, evt.name, node)
else:
# Moved from an unwatched directory, for our
# purposes this is the same as creating a
# directory
self.sync_lock.add_pending_path("create_dir", full_path)
node.create_child_node(evt.name)
# Moved from an unwatched directory, for our purposes this is the same
# as creating a directory
if self.file_manager.check_reserved_path(full_path, True, False):
logging.debug(
f"Inotify - ignoring moved folder to reserved path: {full_path}"
)
else:
self.sync_lock.add_pending_path("create_dir", full_path)
node.create_child_node(evt.name)
def _process_file_event(self, evt: InotifyEvent, node: InotifyNode) -> None:
ext: str = os.path.splitext(evt.name)[-1].lower()