mirror of
https://github.com/GNS3/gns3-server
synced 2024-12-27 01:08:33 +00:00
165 lines
6.0 KiB
Python
165 lines
6.0 KiB
Python
# -*- coding: utf-8 -*-
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#
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# Copyright (C) 2015 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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import aiohttp
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import stat
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import io
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import tarfile
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import asyncio
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from ..config import Config
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from ..web.route import Route
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from ..utils.images import remove_checksum, md5sum
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class UploadHandler:
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@classmethod
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@Route.get(
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r"/upload",
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description="Manage upload of GNS3 images",
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api_version=None
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)
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def index(request, response):
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uploaded_files = []
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try:
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for root, _, files in os.walk(UploadHandler.image_directory()):
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for filename in files:
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if not filename.startswith(".") and not filename.endswith(".md5sum"):
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image_file = os.path.join(root, filename)
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uploaded_files.append(image_file)
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except OSError:
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pass
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iourc_path = os.path.join(os.path.expanduser("~/"), ".iourc")
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if os.path.exists(iourc_path):
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uploaded_files.append(iourc_path)
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response.template("upload.html", files=uploaded_files)
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@classmethod
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@Route.post(
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r"/upload",
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description="Manage upload of GNS3 images",
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api_version=None
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)
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def upload(request, response):
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data = yield from request.post()
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if not data["file"]:
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response.redirect("/upload")
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return
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if data["type"] not in ["IOU", "IOURC", "QEMU", "IOS", "IMAGES", "PROJECTS"]:
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raise aiohttp.web.HTTPForbidden(text="You are not authorized to upload this kind of image {}".format(data["type"]))
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try:
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if data["type"] == "IMAGES":
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UploadHandler._restore_directory(data["file"], UploadHandler.image_directory())
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elif data["type"] == "PROJECTS":
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UploadHandler._restore_directory(data["file"], UploadHandler.project_directory())
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else:
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if data["type"] == "IOURC":
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destination_dir = os.path.expanduser("~/")
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destination_path = os.path.join(destination_dir, ".iourc")
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else:
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destination_dir = os.path.join(UploadHandler.image_directory(), data["type"])
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destination_path = os.path.join(destination_dir, data["file"].filename)
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os.makedirs(destination_dir, exist_ok=True)
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remove_checksum(destination_path)
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with open(destination_path, "wb+") as f:
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while True:
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chunk = data["file"].file.read(512)
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if not chunk:
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break
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f.write(chunk)
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md5sum(destination_path)
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st = os.stat(destination_path)
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os.chmod(destination_path, st.st_mode | stat.S_IXUSR)
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except OSError as e:
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response.html("Could not upload file: {}".format(e))
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response.set_status(200)
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return
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response.redirect("/upload")
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@classmethod
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@Route.get(
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r"/backup/images.tar",
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description="Backup GNS3 images",
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api_version=None
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)
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def backup_images(request, response):
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yield from UploadHandler._backup_directory(request, response, UploadHandler.image_directory())
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@classmethod
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@Route.get(
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r"/backup/projects.tar",
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description="Backup GNS3 projects",
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api_version=None
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)
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def backup_images(request, response):
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yield from UploadHandler._backup_directory(request, response, UploadHandler.project_directory())
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@staticmethod
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def _restore_directory(file, directory):
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"""
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Extract from HTTP stream the content of a tar
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"""
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destination_path = os.path.join(directory, "archive.tar")
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os.makedirs(directory, exist_ok=True)
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with open(destination_path, "wb+") as f:
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chunk = file.file.read()
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f.write(chunk)
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t = tarfile.open(destination_path)
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t.extractall(directory)
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t.close()
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os.remove(destination_path)
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@staticmethod
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@asyncio.coroutine
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def _backup_directory(request, response, directory):
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"""
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Return a tar archive from a directory
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"""
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response.content_type = 'application/x-gtar'
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response.set_status(200)
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response.enable_chunked_encoding()
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# Very important: do not send a content length otherwise QT close the connection but curl can consume the Feed
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response.content_length = None
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response.start(request)
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buffer = io.BytesIO()
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with tarfile.open('arch.tar', 'w', fileobj=buffer) as tar:
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for root, dirs, files in os.walk(directory):
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for file in files:
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path = os.path.join(root, file)
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tar.add(os.path.join(root, file), arcname=os.path.relpath(path, directory))
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response.write(buffer.getvalue())
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yield from response.drain()
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buffer.truncate(0)
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buffer.seek(0)
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yield from response.write_eof()
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@staticmethod
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def image_directory():
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server_config = Config.instance().get_section_config("Server")
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return os.path.expanduser(server_config.get("images_path", "~/GNS3/images"))
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@staticmethod
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def project_directory():
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server_config = Config.instance().get_section_config("Server")
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return os.path.expanduser(server_config.get("projects_path", "~/GNS3/projects"))
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