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# This file is part of Radicale Server - Calendar Server # Copyright © 2008 Nicolas Kandel # Copyright © 2008 Pascal Halter # Copyright © 2008-2017 Guillaume Ayoub # Copyright © 2017-2018 Unrud <unrud@outlook.com> # # This library 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 3 of the License, or # (at your option) any later version. # # This library 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 Radicale. If not, see <http://www.gnu.org/licenses/>. import posixpath from http import client from urllib.parse import quote from radicale import app, httputils, pathutils, storage, xmlutils from radicale.log import logger def propose_filename(collection): """Propose a filename for a collection.""" tag = collection.get_meta("tag") if tag == "VADDRESSBOOK": fallback_title = "Address book" suffix = ".vcf" elif tag == "VCALENDAR": fallback_title = "Calendar" suffix = ".ics" else: fallback_title = posixpath.basename(collection.path) suffix = "" title = collection.get_meta("D:displayname") or fallback_title if title and not title.lower().endswith(suffix.lower()): title += suffix return title class ApplicationGetMixin: def _content_disposition_attachement(self, filename): value = "attachement" try: encoded_filename = quote(filename, encoding=self._encoding) except UnicodeEncodeError: logger.warning("Failed to encode filename: %r", filename, exc_info=True) encoded_filename = "" if encoded_filename: value += "; filename*=%s''%s" % (self._encoding, encoded_filename) return value def do_GET(self, environ, base_prefix, path, user): """Manage GET request.""" # Redirect to .web if the root URL is requested if not pathutils.strip_path(path): web_path = ".web" if not environ.get("PATH_INFO"): web_path = posixpath.join(posixpath.basename(base_prefix), web_path) return (client.FOUND, {"Location": web_path, "Content-Type": "text/plain"}, "Redirected to %s" % web_path) # Dispatch .web URL to web module if path == "/.web" or path.startswith("/.web/"): return self._web.get(environ, base_prefix, path, user) access = app.Access(self._rights, user, path) if not access.check("r") and "i" not in access.permissions: return httputils.NOT_ALLOWED with self._storage.acquire_lock("r", user): item = next(self._storage.discover(path), None) if not item: return httputils.NOT_FOUND if access.check("r", item): limited_access = False elif "i" in access.permissions: limited_access = True else: return httputils.NOT_ALLOWED if isinstance(item, storage.BaseCollection): tag = item.get_meta("tag") if not tag: return (httputils.NOT_ALLOWED if limited_access else httputils.DIRECTORY_LISTING) content_type = xmlutils.MIMETYPES[tag] content_disposition = self._content_disposition_attachement( propose_filename(item)) elif limited_access: return httputils.NOT_ALLOWED else: content_type = xmlutils.OBJECT_MIMETYPES[item.name] content_disposition = "" headers = { "Content-Type": content_type, "Last-Modified": item.last_modified, "ETag": item.etag} if content_disposition: headers["Content-Disposition"] = content_disposition answer = item.serialize() return client.OK, headers, answer