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# -*- coding: utf-8 -*-
# vim: tabstop=4 expandtab shiftwidth=4 softtabstop=4
# Copyright (c) 2012 dput authors
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301, USA.
"""
HTTP Uploader implementation
"""
from dput.exceptions import UploadException
from dput.uploader import AbstractUploader
from dput.core import logger
import mmap
import urllib.parse
import urllib.request
import os.path
import mimetypes
class HttpUploadException(UploadException):
"""
Thrown in the event of a problem connecting, uploading to or
terminating the connection with the remote server. This is
a subclass of :class:`dput.exceptions.UploadException`.
"""
pass
class HTTPUploader(AbstractUploader):
"""
Provides an interface to upload files through HTTP. Supports only anonymous
uploads for the time being.
This is a subclass of :class:`dput.uploader.AbstractUploader`
"""
def initialize(self, **kwargs):
"""
See :meth:`dput.uploader.AbstractUploader.initialize`
"""
mimetypes.init()
# code below is fugly. Dear god, please write a mutable
# urlparse library. Pretty please. Hopefully the mangling below is
# reasonably sane
if not self._config['fqdn'].lower().startswith("http"):
self._config['fqdn'] = "{}://{}".format(
self._config['method'], self._config['fqdn'])
self._baseurl = urllib.parse.urlparse(self._config['fqdn'])
_netloc = self._baseurl.hostname
if self._baseurl.port:
_netloc += ":" + str(self._baseurl.port)
_incoming = self._config['incoming']
if not _incoming.startswith("/"):
_incoming = "/" + _incoming
if not _incoming.endswith("/"):
_incoming = _incoming + "/"
_path = self._baseurl.path
if not _path:
_path = _incoming
else:
_path = _path + _incoming
_params = self._baseurl.params
_query = self._baseurl.query
_fragment = self._baseurl.fragment
self._username = self._baseurl.username
self._password = self._baseurl.password
# XXX: Timeout, please.
self._baseurl = urllib.parse.urlunparse((self._baseurl.scheme,
_netloc, _path,
_params, _query, _fragment))
def upload_file(self, filename, upload_filename=None):
"""
See :meth:`dput.uploader.AbstractUploader.upload_file`
"""
upload_filename = self._baseurl + os.path.basename(filename)
logger.debug("Upload to %s" % (upload_filename))
(mime_type, _) = mimetypes.guess_type(filename)
fh = open(filename, 'rb')
mmaped_fh = mmap.mmap(fh.fileno(), 0, access=mmap.ACCESS_READ)
req = urllib.request.Request(
url=upload_filename,
data=fh.read(),
method='PUT',
)
if mime_type is not None:
req.add_header("Content-Type", mime_type)
if self._username is not None:
try:
password_mgr = urllib.request.HTTPPasswordMgrWithPriorAuth()
password_mgr.add_password(None, self._baseurl, self._username, self._password, is_authenticated=True)
except AttributeError:
password_mgr = urllib.request.HTTPPasswordMgrWithDefaultRealm()
password_mgr.add_password(None, self._baseurl, self._username, self._password)
handler = urllib.request.HTTPBasicAuthHandler(password_mgr)
opener = urllib.request.build_opener(handler)
else:
opener = urllib.request.build_opener()
try:
opener.open(req)
except urllib.error.HTTPError as e:
error_message = e.read().decode(
e.headers.get_content_charset(failobj='utf-8'))
if error_message:
error_message = error_message.strip()
if "\n" in error_message:
error_message = "\n\t" + "\n\t".join(error_message.splitlines())
logger.warning("HTTP error message: %s" % error_message)
if e.code == 403:
self.upload_write_error(e)
else:
raise HttpUploadException(e)
mmaped_fh.close()
fh.close()
def shutdown(self):
"""
See :meth:`dput.uploader.AbstractUploader.shutdown`
"""
pass
|
