mirror of
https://github.com/GNS3/gns3-server.git
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77 lines
2.3 KiB
Python
77 lines
2.3 KiB
Python
#!/usr/bin/env python
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#
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# Copyright (C) 2016 GNS3 Technologies Inc.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import os
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from pathlib import Path
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from fastapi import HTTPException, status
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from ..config import Config
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def get_default_project_directory():
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"""
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Return the default location for the project directory
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depending of the operating system
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"""
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server_config = Config.instance().settings.Server
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path = os.path.expanduser(server_config.projects_path)
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path = os.path.normpath(path)
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try:
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os.makedirs(path, exist_ok=True)
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except OSError as e:
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raise HTTPException(status_code=status.HTTP_409_CONFLICT, detail=f"Could not create project directory: {e}")
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return path
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def is_safe_path(file_path: str, basedir: str) -> bool:
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"""
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Check that file path is safe.
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(the file is stored inside directory or one of its sub-directory)
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"""
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test_path = (Path(basedir) / file_path).resolve()
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return Path(basedir).resolve() in test_path.resolve().parents
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def check_path_allowed(path: str):
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"""
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If the server is non local raise an error if
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the path is outside project directories
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Raise a 403 in case of error
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"""
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project_directory = get_default_project_directory()
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if len(os.path.commonprefix([project_directory, path])) == len(project_directory):
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return
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raise HTTPException(status_code=status.HTTP_403_FORBIDDEN, detail=f"The path {path} is not allowed")
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def get_mountpoint(path: str):
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"""
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Find the mount point of a path.
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"""
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path = os.path.abspath(path)
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while path != os.path.sep:
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if os.path.ismount(path):
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return path
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path = os.path.abspath(os.path.join(path, os.pardir))
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return path
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