71 lines
2.7 KiB
Python
71 lines
2.7 KiB
Python
# This file is part of Radicale Server - Calendar Server
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# Copyright © 2008 Nicolas Kandel
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# Copyright © 2008 Pascal Halter
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# Copyright © 2008-2017 Guillaume Ayoub
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# Copyright © 2017-2018 Unrud <unrud@outlook.com>
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#
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# This library 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 library 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 Radicale. If not, see <http://www.gnu.org/licenses/>.
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from http import client
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from xml.etree import ElementTree as ET
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from radicale import httputils, storage, xmlutils
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def xml_delete(base_prefix, path, collection, href=None):
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"""Read and answer DELETE requests.
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Read rfc4918-9.6 for info.
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"""
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collection.delete(href)
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multistatus = ET.Element(xmlutils.make_tag("D", "multistatus"))
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response = ET.Element(xmlutils.make_tag("D", "response"))
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multistatus.append(response)
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href = ET.Element(xmlutils.make_tag("D", "href"))
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href.text = xmlutils.make_href(base_prefix, path)
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response.append(href)
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status = ET.Element(xmlutils.make_tag("D", "status"))
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status.text = xmlutils.make_response(200)
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response.append(status)
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return multistatus
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class ApplicationDeleteMixin:
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def do_DELETE(self, environ, base_prefix, path, user):
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"""Manage DELETE request."""
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if not self.access(user, path, "w"):
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return httputils.NOT_ALLOWED
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with self._storage.acquire_lock("w", user):
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item = next(self._storage.discover(path), None)
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if not item:
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return httputils.NOT_FOUND
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if not self.access(user, path, "w", item):
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return httputils.NOT_ALLOWED
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if_match = environ.get("HTTP_IF_MATCH", "*")
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if if_match not in ("*", item.etag):
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# ETag precondition not verified, do not delete item
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return httputils.PRECONDITION_FAILED
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if isinstance(item, storage.BaseCollection):
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xml_answer = xml_delete(base_prefix, path, item)
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else:
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xml_answer = xml_delete(
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base_prefix, path, item.collection, item.href)
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headers = {"Content-Type": "text/xml; charset=%s" % self._encoding}
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return client.OK, headers, self.write_xml_content(xml_answer)
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