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End-to-end Encryption API documentation
=======================================
E2EEPlugin
----------
.. module:: poezio.plugin_e2ee
.. autoclass:: E2EEPlugin
:members: decrypt, encrypt, encryption_name, encryption_short_name, eme_ns, replace_body_with_eme, stanza_encryption, tag_whitelist
Please refer to :py:class:`~BasePlugin` for more information on how to
write plugins.
Example plugins
---------------
**Example 1:** Base64 plugin
.. code-block:: python
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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