Commit b8ff3d19 authored by Philipp Hörist's avatar Philipp Hörist
Browse files

[omemo] Use Gajims encryption API

parent de369fc6
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# -*- coding: utf-8 -*-
#
# Copyright 2015 Bahtiar `kalkin-` Gadimov <bahtiar@gadimov.de>
# Copyright 2015 Daniel Gultsch <daniel@cgultsch.de>
#
# This file is part of Gajim-OMEMO plugin.
#
# The Gajim-OMEMO plugin 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, either version 3 of the License, or (at your option) any
# later version.
#
# Gajim-OMEMO 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
# the Gajim-OMEMO plugin. If not, see <http://www.gnu.org/licenses/>.
#
'''
Copyright 2015 Bahtiar `kalkin-` Gadimov <bahtiar@gadimov.de>
Copyright 2015 Daniel Gultsch <daniel@cgultsch.de>
Copyright 2016 Philipp Hörist <philipp@hoerist.com>
This file is part of Gajim-OMEMO plugin.
The Gajim-OMEMO plugin 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, either version 3 of the License, or (at your option) any
later version.
Gajim-OMEMO 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
the Gajim-OMEMO plugin. If not, see <http://www.gnu.org/licenses/>.
'''
import binascii
import logging
import os
import message_control
from gi.repository import GObject, Gtk, GdkPixbuf, Gdk
from enum import IntEnum, unique
# pylint: disable=import-error
import gtkgui_helpers
from common import gajim
from dialogs import YesNoDialog
from plugins.gui import GajimPluginConfigDialog
from gi.repository import Gtk, GdkPixbuf, Gdk
from axolotl.state.sessionrecord import SessionRecord
from common import configpaths
log = logging.getLogger('gajim.plugin_system.omemo')
......@@ -43,285 +38,17 @@ except Exception as e:
log.exception('Error:')
log.error('python-qrcode or dependencies of it, are not available')
# pylint: enable=import-error
UNDECIDED = 2
TRUSTED = 1
UNTRUSTED = 0
class OmemoButton(Gtk.Button):
def __init__(self, plugin, chat_control, ui, enabled):
super(OmemoButton, self).__init__(label=None, stock=None)
self.chat_control = chat_control
self.set_property('relief', Gtk.ReliefStyle.NONE)
self.set_property('can-focus', False)
self.set_sensitive(True)
icon = Gtk.Image.new_from_file(
plugin.local_file_path('omemo16x16.png'))
self.set_image(icon)
self.set_tooltip_text('OMEMO Encryption')
self.connect('clicked', self.on_click)
self.menu = OmemoMenu(ui, enabled)
def on_click(self, widget):
"""
Popup omemo menu
"""
gtkgui_helpers.popup_emoticons_under_button(
self.menu, widget, self.chat_control.parent_win)
def set_omemo_state(self, state):
self.menu.set_omemo_state(state)
class OmemoMenu(Gtk.Menu):
def __init__(self, ui, enabled):
super(OmemoMenu, self).__init__()
self.ui = ui
self.item_omemo_state = Gtk.CheckMenuItem('Activate OMEMO')
self.item_omemo_state.set_active(enabled)
self.item_omemo_state.connect('activate', self.on_toggle_omemo)
self.append(self.item_omemo_state)
item = Gtk.ImageMenuItem('Fingerprints')
icon = Gtk.Image.new_from_stock(Gtk.STOCK_DIALOG_AUTHENTICATION,
Gtk.IconSize.MENU)
item.set_image(icon)
item.connect('activate', self.on_open_fingerprint_window)
self.append(item)
self.show_all()
def on_toggle_omemo(self, widget):
self.ui.set_omemo_state(widget.get_active())
def on_open_fingerprint_window(self, widget):
self.ui.show_fingerprint_window()
def set_omemo_state(self, state):
self.item_omemo_state.handler_block_by_func(self.on_toggle_omemo)
self.item_omemo_state.set_active(state)
self.item_omemo_state.handler_unblock_by_func(self.on_toggle_omemo)
class Ui(object):
def __init__(self, plugin, chat_control, enabled, state):
self.contact = chat_control.contact
self.chat_control = chat_control
self.plugin = plugin
self.state = state
self.account = self.contact.account.name
self.windowinstances = {}
self.groupchat = False
if chat_control.type_id == message_control.TYPE_GC:
self.groupchat = True
self.omemo_capable = False
self.room = self.chat_control.room_jid
self.display_omemo_state()
self.refresh_auth_lock_icon()
self.omemobutton = OmemoButton(plugin, chat_control, self, enabled)
self.actions_hbox = chat_control.xml.get_object('actions_hbox')
send_button = chat_control.xml.get_object('send_button')
send_button_pos = self.actions_hbox.child_get_property(send_button,
'position')
self.actions_hbox.add(self.omemobutton)
self.actions_hbox.reorder_child(self.omemobutton, send_button_pos - 1)
self.omemobutton.show_all()
# add a OMEMO entry to the context/advanced menu
self.chat_control.omemo_orig_prepare_context_menu = \
self.chat_control.prepare_context_menu
def omemo_prepare_context_menu(hide_buttonbar_items=False):
menu = self.chat_control. \
omemo_orig_prepare_context_menu(hide_buttonbar_items)
submenu = OmemoMenu(self, self.encryption_active())
item = Gtk.ImageMenuItem('OMEMO Encryption')
icon_path = plugin.local_file_path('omemo16x16.png')
item.set_image(Gtk.Image.new_from_file(icon_path))
item.set_submenu(submenu)
if self.groupchat:
item.set_sensitive(self.omemo_capable)
# at index 8 is the separator after the esession encryption entry
menu.insert(item, 8)
return menu
self.chat_control.prepare_context_menu = omemo_prepare_context_menu
# Hook into Send Button so we can check Stuff before sending
self.chat_control.orig_send_message = \
self.chat_control.send_message
def omemo_send_message(message, keyID='', chatstate=None, xhtml=None,
process_commands=True, attention=False):
self.new_fingerprints_available()
if self.encryption_active() and \
self.plugin.are_keys_missing(self.account,
self.contact.jid):
log.debug(self.account + ' => No Trusted Fingerprints for ' +
self.contact.jid)
self.no_trusted_fingerprints_warning()
else:
self.chat_control.orig_send_message(message, keyID, chatstate,
xhtml, process_commands,
attention)
log.debug(self.account + ' => Sending Message to ' +
self.contact.jid)
def omemo_send_gc_message(message, xhtml=None, process_commands=True):
self.new_fingerprints_available()
if self.encryption_active():
missing = True
own_jid = gajim.get_jid_from_account(self.account)
for nick in self.plugin.groupchat[self.room]:
real_jid = self.plugin.groupchat[self.room][nick]
if real_jid == own_jid:
continue
if not self.plugin.are_keys_missing(self.account,
real_jid):
missing = False
if missing:
log.debug(self.account +
' => No Trusted Fingerprints for ' +
self.room)
self.no_trusted_fingerprints_warning()
else:
self.chat_control.orig_send_message(message, xhtml,
process_commands)
log.debug(self.account + ' => Sending Message to ' +
self.room)
else:
self.chat_control.orig_send_message(message, xhtml,
process_commands)
log.debug(self.account + ' => Sending Message to ' +
self.room)
if self.groupchat:
self.chat_control.send_message = omemo_send_gc_message
else:
self.chat_control.send_message = omemo_send_message
def set_omemo_state(self, enabled):
"""
Enable or disable OMEMO for this window's contact and update the
window ui accordingly
"""
if enabled:
log.debug(self.contact.account.name + ' => Enable OMEMO for ' +
self.contact.jid)
self.plugin.omemo_enable_for(self.contact.jid,
self.contact.account.name)
self.refresh_auth_lock_icon()
else:
log.debug(self.contact.account.name + ' => Disable OMEMO for ' +
self.contact.jid)
self.plugin.omemo_disable_for(self.contact.jid,
self.contact.account.name)
self.refresh_auth_lock_icon()
self.omemobutton.set_omemo_state(enabled)
self.display_omemo_state()
def sensitive(self, value):
self.omemobutton.set_sensitive(value)
self.omemo_capable = value
if value:
self.chat_control.prepare_context_menu
def encryption_active(self):
return self.state.encryption.is_active(self.contact.jid)
def activate_omemo(self):
if not self.encryption_active():
self.set_omemo_state(True)
def new_fingerprints_available(self):
jid = self.contact.jid
if self.groupchat and self.room in self.plugin.groupchat:
for nick in self.plugin.groupchat[self.room]:
real_jid = self.plugin.groupchat[self.room][nick]
fingerprints = self.state.store. \
getNewFingerprints(real_jid)
if fingerprints:
self.show_fingerprint_window(fingerprints)
elif not self.groupchat:
fingerprints = self.state.store.getNewFingerprints(jid)
if fingerprints:
self.show_fingerprint_window(fingerprints)
def show_fingerprint_window(self, fingerprints=None):
if 'dialog' not in self.windowinstances:
if self.groupchat:
self.windowinstances['dialog'] = \
FingerprintWindow(self.plugin, self.contact,
self.chat_control.parent_win.window,
self.windowinstances, groupchat=True)
else:
self.windowinstances['dialog'] = \
FingerprintWindow(self.plugin, self.contact,
self.chat_control.parent_win.window,
self.windowinstances)
self.windowinstances['dialog'].show_all()
if fingerprints:
log.debug(self.account +
' => Showing Fingerprint Prompt for ' +
self.contact.jid)
self.state.store.setShownFingerprints(fingerprints)
else:
self.windowinstances['dialog'].update_context_list()
if fingerprints:
self.state.store.setShownFingerprints(fingerprints)
def plain_warning(self):
self.chat_control.print_conversation_line(
'Received plaintext message! ' +
'Your next message will still be encrypted!', 'status', '', None)
def display_omemo_state(self):
if self.encryption_active():
msg = u'OMEMO encryption enabled'
else:
msg = u'OMEMO encryption disabled'
self.chat_control.print_conversation_line(msg, 'status', '', None)
def no_trusted_fingerprints_warning(self):
msg = "To send an encrypted message, you have to " \
"first trust the fingerprint of your contact!"
self.chat_control.print_conversation_line(msg, 'status', '', None)
from common import gajim
from common import configpaths
from dialogs import YesNoDialog
from plugins.gui import GajimPluginConfigDialog
def refresh_auth_lock_icon(self):
if self.groupchat:
return
if self.encryption_active():
if self.state.getUndecidedFingerprints(self.contact.jid):
self.chat_control._show_lock_image(True, 'OMEMO', True, True,
False)
else:
self.chat_control._show_lock_image(True, 'OMEMO', True, True,
True)
else:
self.chat_control._show_lock_image(False, 'OMEMO', False, True,
False)
def removeUi(self):
self.actions_hbox.remove(self.omemobutton)
self.chat_control._show_lock_image(False, 'OMEMO', False, True,
False)
self.chat_control.prepare_context_menu = \
self.chat_control.omemo_orig_prepare_context_menu
self.chat_control.send_message = self.chat_control.orig_send_message
@unique
class State(IntEnum):
UNTRUSTED = 0
TRUSTED = 1
UNDECIDED = 2
class OMEMOConfigDialog(GajimPluginConfigDialog):
......@@ -480,7 +207,7 @@ class OMEMOConfigDialog(GajimPluginConfigDialog):
mod, paths = self.fpr_view.get_selection().get_selected_rows()
def on_yes(checked, identity_key):
state.store.setTrust(identity_key, TRUSTED)
state.store.setTrust(identity_key, State.TRUSTED)
try:
if self.plugin.ui_list[account]:
self.plugin.ui_list[account][jid]. \
......@@ -490,7 +217,7 @@ class OMEMOConfigDialog(GajimPluginConfigDialog):
self.update_context_list()
def on_no(identity_key):
state.store.setTrust(identity_key, UNTRUSTED)
state.store.setTrust(identity_key, State.UNTRUSTED)
try:
if jid in self.plugin.ui_list[account]:
self.plugin.ui_list[account][jid]. \
......@@ -700,17 +427,11 @@ class FingerprintWindow(Gtk.Dialog):
mod, paths = self.fpr_view.get_selection().get_selected_rows()
def on_yes(checked, identity_key):
state.store.setTrust(identity_key, TRUSTED)
if not self.groupchat:
self.plugin.ui_list[self.account][self.contact.jid]. \
refresh_auth_lock_icon()
state.store.setTrust(identity_key, State.TRUSTED)
self.update_context_list()
def on_no(identity_key):
state.store.setTrust(identity_key, UNTRUSTED)
if not self.groupchat:
self.plugin.ui_list[self.account][self.contact.jid]. \
refresh_auth_lock_icon()
state.store.setTrust(identity_key, State.UNTRUSTED)
self.update_context_list()
for path in paths:
......
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