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#! /usr/bin/env python3
# -*- coding: utf-8 -*-
# vim:fenc=utf-8
#
# Copyright © 2019 Maxime “pep” Buquet <pep@bouah.net>
#
# Distributed under terms of the zlib license.
"""
Usage
-----
Base64 encryption plugin.
This plugin also respects security guidelines listed in XEP-0419.
.. glossary::
/b64
**Usage:** ``/b64``
This command enables encryption of outgoing messages for the current
tab.
"""
from base64 import b64decode, b64encode
from poezio.plugin_e2ee import E2EEPlugin
from slixmpp import Message
class Plugin(E2EEPlugin):
"""Base64 Plugin"""
encryption_name = 'base64'
encryption_short_name = 'b64'
eme_ns = 'urn:xmpps:base64:0'
# This encryption mechanism is using <body/> as a container
replace_body_with_eme = False
def decrypt(self, message: Message, _tab) -> None:
"""
Decrypt base64
"""
body = message['body']
message['body'] = b64decode(body.encode()).decode()
def encrypt(self, message: Message, _tab) -> None:
"""
Encrypt to base64
"""
# TODO: Stop using <body/> for this. Put the encoded payload in another element.
body = message['body']
message['body'] = b64encode(body.encode()).decode()
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