mautrix-telegram/mautrix_telegram/util/sane_mimetypes.py

38 lines
1.2 KiB
Python

# mautrix-telegram - A Matrix-Telegram puppeting bridge
# Copyright (C) 2019 Tulir Asokan
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
import mimetypes
mimetypes.init()
sanity_overrides = {
"image/jpeg": ".jpeg",
"image/tiff": ".tiff",
"text/plain": ".txt",
"text/html": ".html",
"audio/mpeg": ".mp3",
"audio/ogg": ".ogg",
"application/xml": ".xml",
"application/octet-stream": "",
"application/x-msdos-program": ".exe",
}
def guess_extension(mime: str) -> str:
try:
return sanity_overrides[mime]
except KeyError:
return mimetypes.guess_extension(mime)