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90 lines
2.8 KiB
90 lines
2.8 KiB
# -*- coding: utf-8 -*-
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#
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# Copyright (C) 2014 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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"""
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Simple file upload & listing handler.
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"""
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import os
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import stat
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import tornado.web
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from ..version import __version__
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from ..config import Config
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import logging
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log = logging.getLogger(__name__)
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class FileUploadHandler(tornado.web.RequestHandler):
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"""
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File upload handler.
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:param application: Tornado Application instance
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:param request: Tornado Request instance
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"""
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def __init__(self, application, request, **kwargs):
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super().__init__(application, request, **kwargs)
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config = Config.instance()
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server_config = config.get_default_section()
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self._upload_dir = os.path.expandvars(
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os.path.expanduser(server_config.get("upload_directory", "~/Documents/GNS3/images")))
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self._host = request.host
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try:
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os.makedirs(self._upload_dir)
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log.info("upload directory '{}' created".format(self._upload_dir))
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except FileExistsError:
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pass
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except OSError as e:
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log.error("could not create the upload directory {}: {}".format(self._upload_dir, e))
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def get(self):
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"""
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Invoked on GET request.
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"""
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items = []
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path = self._upload_dir
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for filename in os.listdir(path):
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items.append(filename)
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self.render("upload.html",
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version=__version__,
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host=self._host,
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path=path,
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items=items)
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def post(self):
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"""
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Invoked on POST request.
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"""
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if "file" in self.request.files:
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fileinfo = self.request.files["file"][0]
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destination_path = os.path.join(self._upload_dir, fileinfo['filename'])
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try:
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with open(destination_path, 'wb') as f:
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f.write(fileinfo['body'])
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except OSError as e:
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self.write("Could not upload {}: {}".format(fileinfo['filename'], e))
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return
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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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self.redirect("/upload")
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