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-rw-r--r--doc/source/dev/e2ee.rst55
-rw-r--r--doc/source/dev/index.rst1
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diff --git a/doc/source/dev/e2ee.rst b/doc/source/dev/e2ee.rst
new file mode 100644
index 00000000..08cae715
--- /dev/null
+++ b/doc/source/dev/e2ee.rst
@@ -0,0 +1,55 @@
+End-to-end Encryption API documentation
+=======================================
+
+E2EEPlugin
+----------
+
+.. module:: poezio.plugin_e2ee
+
+
+.. autoclass:: E2EEPlugin
+ :members:
+
+Builds on top of :py:class:`~BasePlugin` and requires the developer to
+implement two methods, `decrypt` and `encrypt`, as well as the
+`encryption_name` and `eme_ns` attribute.
+
+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()
diff --git a/doc/source/dev/index.rst b/doc/source/dev/index.rst
index 21ea6253..630abfad 100644
--- a/doc/source/dev/index.rst
+++ b/doc/source/dev/index.rst
@@ -14,6 +14,7 @@ About plugins
:maxdepth: 2
plugin
+ e2ee
events
slix
xep