1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
|
# Copyright (C) 2018 Philipp Hörist <philipp AT hoerist.com>
#
# This file is part of nbxmpp.
#
# SPDX-License-Identifier: GPL-3.0-or-later
from __future__ import annotations
from typing import TYPE_CHECKING
from nbxmpp.modules.base import BaseModule
from nbxmpp.modules.bits_of_binary import parse_bob_data
from nbxmpp.modules.dataforms import extend_form
from nbxmpp.namespaces import Namespace
from nbxmpp.protocol import Message
from nbxmpp.structs import CaptchaData
from nbxmpp.structs import MessageProperties
from nbxmpp.structs import StanzaHandler
if TYPE_CHECKING:
from nbxmpp.client import Client
class Captcha(BaseModule):
def __init__(self, client: Client) -> None:
BaseModule.__init__(self, client)
self._client = client
self.handlers = [
StanzaHandler(
name="message",
callback=self._process_captcha,
ns=Namespace.CAPTCHA,
priority=40,
),
]
def _process_captcha(
self, _client: Client, stanza: Message, properties: MessageProperties
) -> None:
captcha = stanza.getTag("captcha", namespace=Namespace.CAPTCHA)
if captcha is None:
return
data_form = captcha.getTag("x", namespace=Namespace.DATA)
if data_form is None:
self._log.warning("Invalid captcha form")
self._log.warning(stanza)
return
form = extend_form(node=data_form)
bob_data = parse_bob_data(stanza)
properties.captcha = CaptchaData(form=form, bob_data=bob_data)
|
