Newer
Older
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
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
# -*- coding: utf-8 -*-
## This file is part of Gajim.
##
## Gajim 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; version 3 only.
##
## Gajim 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 Gajim. If not, see <http://www.gnu.org/licenses/>.
##
'''
Block some incoming messages
:author: Yann Leboulanger <asterix@lagaule.org>
:since: 16 August 2012
:copyright: Copyright (2012) Yann Leboulanger <asterix@lagaule.org>
:license: GPLv3
'''
from gi.repository import Gtk
import nbxmpp
from common import gajim, ged
from plugins import GajimPlugin
from plugins.helpers import log, log_calls
from plugins.gui import GajimPluginConfigDialog
class AntiSpamPlugin(GajimPlugin):
@log_calls('AntiSpamPlugin')
def init(self):
self.description = _('Allows to block some kind of incoming messages')
self.config_dialog = AntiSpamPluginConfigDialog(self)
self.gui_extension_points = {
}
self.events_handlers = {
'atom-entry-received': (ged.POSTCORE,
self._nec_atom_entry_received),
'message-received': (ged.PRECORE,
self._nec_message_received_received),
'decrypted-message-received': (ged.PRECORE,
self._nec_decrypted_message_received_received),
'subscribe-presence-received': (ged.POSTCORE,
self._nec_subscribe_presence_received),
'message-outgoing': (ged.OUT_PRECORE,
self._nec_message_outgoing)
}
self.config_default_values = {
'block_pubsub_messages': (False, 'If True, Gajim will block incoming messages from pubsub.'),
'disable_xhtml_muc': (False, ''),
'disable_xhtml_pm': (False, ''),
'block_subscription_requests': (False, ''),
'msgtxt_limit': (-1, ''),
'msgtxt_question': ('Please answer: 12 x 12 =', ''),
'msgtxt_answer': ('', ''),
'antispam_for_conference': (False, ''),
'conference_white_list': ([], ''), # conference private chat jid's
}
# List of outgoing jid's
# Needs to avoid chat of two anti spam plugins
# Contain all jid's where are you initiate a chat
self.outgoing_jids = []
@log_calls('AntiSpamPlugin')
def _nec_atom_entry_received(self, obj):
if self.config['block_pubsub_messages']:
log.info('discarding pubdubd message')
return True
@log_calls('AntiSpamPlugin')
def _nec_message_received_received(self, obj):
if self.config['disable_xhtml_muc'] and obj.mtype == 'groupchat':
self.remove_xhtml(obj)
if self.config['disable_xhtml_pm'] and obj.gc_control and \
obj.resource and obj.mtype == 'chat':
self.remove_xhtml(obj)
return False
@log_calls('AntiSpamPlugin')
def _nec_decrypted_message_received_received(self, obj):
if not obj.msgtxt:
return False
if self._nec_decrypted_message_received_question(obj):
return True
limit = self.config['msgtxt_limit']
if limit > -1 and len(obj.msgtxt) > limit:
return True
return False
@log_calls('AntiSpamPlugin')
def _nec_subscribe_presence_received(self, obj):
if self.config['block_subscription_requests'] and \
not gajim.contacts.get_contacts(obj.conn.name, obj.jid):
log.info('discarding subscription request from %s' % obj.jid)
return True
@log_calls('AntiSpamPlugin')
def _nec_decrypted_message_received_question(self, obj):
if obj.mtype != 'chat' and obj.mtype != 'normal':
return False
tjid = obj.jid if obj.mtype == 'normal' else obj.fjid
if tjid in self.outgoing_jids:
return False
answer = self.config['msgtxt_answer']
if len(answer) == 0:
return False
block_conference = self.config['antispam_for_conference']
is_conference = gajim.contacts.is_gc_contact(obj.conn.name, obj.fjid)
if not block_conference and is_conference:
return False
jid = obj.jid if not is_conference else obj.fjid
# If we receive conference privat message or direct message from unknown user than
# anti spam question will send in background mode, without any notification for us
# There are two methods to see who wrote you and not passed filter:
# 1. Using XML console
# 2. Running Gajim with log info messages and see logs (probably gajim.log file)
if is_conference or not gajim.contacts.get_contacts(obj.conn.name, jid):
if not self.contain_answer(obj.msgtxt, answer):
if is_conference and jid in self.config['conference_white_list']:
return False
self.send_question(obj, jid)
return True
else:
if is_conference and jid not in self.config['conference_white_list']:
self.config['conference_white_list'].append(jid)
# Need to save because 'append' method does not implement __setitem__ method
self.config.save()
return False
@log_calls('AntiSpamPlugin')
def _nec_message_outgoing(self, obj):
if obj.type_ != 'chat' and obj.type_ != 'normal':
return
if isinstance(obj.jid, list):
for i in obj.jid:
if i not in self.outgoing_jids:
self.outgoing_jids.append(i)
else:
if obj.jid not in self.outgoing_jids:
self.outgoing_jids.append(obj.jid)
def send_question(self, obj, jid):
if obj.mtype != 'chat' and obj.mtype != 'normal':
log.info('Anti_spam wrong message type: %s', obj.mtype)
return
# only for 'chat' messages
if obj.receipt_request_tag and obj.mtype == 'chat':
receipt = nbxmpp.Message(to=obj.fjid, typ='chat')
receipt.setTag('received', namespace='urn:xmpp:receipts', attrs={'id': obj.id_})
if obj.thread_id:
receipt.setThread(obj.thread_id)
gajim.connections[obj.conn.name].connection.send(receipt, now=True)
question = self.config['msgtxt_question']
log.info('Anti_spam enabled for %s, question: %s', jid, question)
message = _('Antispam enabled. Please answer the question. The message must only ' + \
'contain the answer. (Messages sent before the correct answer, will be lost): ') \
+ question
if obj.mtype == 'chat':
stanza = nbxmpp.Message(to=jid, body=message, typ=obj.mtype)
else: # for 'normal' type
stanza = nbxmpp.Message(to=jid, body=message, subject='Antispam enabled', typ=obj.mtype)
gajim.connections[obj.conn.name].connection.send(stanza, now=True)
def contain_answer(self, msg, answer):
return answer in msg.split('\n')
def remove_xhtml(self, obj):
html_node = obj.stanza.getTag('html')
if html_node:
obj.stanza.delChild(html_node)
class AntiSpamPluginConfigDialog(GajimPluginConfigDialog):
def init(self):
self.GTK_BUILDER_FILE_PATH = self.plugin.local_file_path(
'config_dialog.ui')
self.xml = Gtk.Builder()
self.xml.set_translation_domain('gajim_plugins')
self.xml.add_objects_from_file(self.GTK_BUILDER_FILE_PATH,
['anti_spam_config_vbox'])
self.config_vbox = self.xml.get_object('anti_spam_config_vbox')
self.get_child().pack_start(self.config_vbox, True, True, 0)
self.block_pubsub_messages_checkbutton = self.xml.get_object(
'block_pubsub_messages_checkbutton')
self.xml.connect_signals(self)
def on_run(self):
self.block_pubsub_messages_checkbutton.set_active(self.plugin.config[
'block_pubsub_messages'])
widget = self.xml.get_object('disable_xhtml_muc_checkbutton')
widget.set_active(self.plugin.config['disable_xhtml_muc'])
widget = self.xml.get_object('disable_xhtml_pm_checkbutton')
widget.set_active(self.plugin.config['disable_xhtml_pm'])
widget = self.xml.get_object('block_subscription_requests_checkbutton')
widget.set_active(self.plugin.config['block_subscription_requests'])
widget = self.xml.get_object('message_size_limit_entry')
widget.set_text(str(self.plugin.config['msgtxt_limit']))
widget = self.xml.get_object('antispam_question')
widget.set_text(str(self.plugin.config['msgtxt_question']))
widget = self.xml.get_object('antispam_answer')
widget.set_text(str(self.plugin.config['msgtxt_answer']))
widget = self.xml.get_object('antispam_for_conference')
widget.set_active(self.plugin.config['antispam_for_conference'])
def on_block_pubsub_messages_checkbutton_toggled(self, button):
self.plugin.config['block_pubsub_messages'] = button.get_active()
def on_disable_xhtml_muc_checkbutton_toggled(self, button):
self.plugin.config['disable_xhtml_muc'] = button.get_active()
def on_disable_xhtml_pm_checkbutton_toggled(self, button):
self.plugin.config['disable_xhtml_pm'] = button.get_active()
def on_block_subscription_requests_checkbutton_toggled(self, button):
self.plugin.config['block_subscription_requests'] = button.get_active()
def on_message_size_limit_entry_changed(self, entry):
try:
self.plugin.config['msgtxt_limit'] = int(entry.get_text())
except Exception:
pass
def on_message_question_entry_changed(self, entry):
try:
self.plugin.config['msgtxt_question'] = entry.get_text()
except Exception:
pass
def on_message_answer_entry_changed(self, entry):
try:
self.plugin.config['msgtxt_answer'] = entry.get_text()
except Exception:
pass
def on_antispam_for_conference_checkbutton_toggled(self, button):
self.plugin.config['antispam_for_conference'] = button.get_active()