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file_manager: disallow requests for paths outside of a root 

Signed-off-by:  Eric Callahan <arksine.code@gmail.com>
This commit is contained in:
Arksine 2021-05-25 19:37:46 -04:00
parent 5f7cff9af8
commit 3d0d1e1dcb
1 changed files with 11 additions and 4 deletions
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15
moonraker/components/file_manager.py
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@ -317,10 +317,14 @@ class FileManager:
root = parts[0]
if root not in self.file_paths:
raise self.server.error(f"Invalid root path ({root})")
disk_path = self.file_paths[root]
root_path = dest_path = self.file_paths[root]
if len(parts) > 1:
disk_path = os.path.join(disk_path, parts[1])
return root, disk_path
dest_path = os.path.abspath(os.path.join(dest_path, parts[1]))
if not dest_path.startswith(root_path):
raise self.server.error(
f"Invalid path request, '{request_path}'' is outside "
f"root '{root}'")
return root, dest_path
async def _handle_file_move_copy(self,
web_request: WebRequest
@ -677,7 +681,10 @@ class FileManager:
raise self.server.error(
f"Path not available for DELETE: {path}", 405)
root_path = self.file_paths[root]
full_path = os.path.join(root_path, filename)
full_path = os.path.abspath(os.path.join(root_path, filename))
if not full_path.startswith(root_path):
raise self.server.error(
f"Delete request on file outside of root: {path}")
if not os.path.isfile(full_path):
raise self.server.error(f"Invalid file path: {path}")
try: