lain/megolm_filter
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megolm_filter/README.md
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2025-01-30 11:46:05 -03:00

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megolm_filter.py

Modify your offline megolm key backups from a shell.

The main use of megolm_filter is to filter what keys you'd like to share with another user. Let's say you have a 1:1 chat, and the other user lost all their keys and you need to give them access without giving access to all of your rooms.

There is currently no Element-based support for this, so this script can help in the meantime.

Install

pip install megolm-filter

Command Line Interface

usage: megolm_filter [-h] [-o OUTPUT] [--plain] [file] [room_id]

Operate on megolm session backups.

positional arguments:
  file                 megolm session data
  room_id              Room id to filter (optional)

options:
  -h, --help           show this help message and exit
  -o, --output OUTPUT  Output to file
  -p, --plain          Returns the plain unencrypted content

You can filter your keys fairly easily running:

megolm_filter element-keys.txt '!room1:matrix.org' '!room2:matrix.org' ...

Copyright (C) 2019 Aleksa Sarai cyphar@cyphar.com
Copyright (C) 2025 Lain Iwakura lain@serialexperiments.club

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 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 General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see https://www.gnu.org/licenses/.