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
|
# -*- coding: utf-8 -*-
"""
OnionShare | https://onionshare.org/
Copyright (C) 2014-2022 Micah Lee, et al. <micah@micahflee.com>
This program 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.
This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
"""
import time
from PySide2 import QtCore, QtWidgets
from onionshare_cli.onion import (
BundledTorCanceled,
TorErrorInvalidSetting,
TorErrorAutomatic,
TorErrorSocketPort,
TorErrorSocketFile,
TorErrorMissingPassword,
TorErrorUnreadableCookieFile,
TorErrorAuthError,
TorErrorProtocolError,
BundledTorTimeout,
BundledTorBroken,
TorTooOldEphemeral,
TorTooOldStealth,
PortNotAvailable,
)
from . import strings
class TorConnectionWidget(QtWidgets.QWidget):
"""
Connecting to Tor widget, with a progress bar
"""
open_tor_settings = QtCore.Signal()
success = QtCore.Signal()
fail = QtCore.Signal(str)
update_progress = QtCore.Signal(int)
def __init__(self, common, status_bar):
super(TorConnectionWidget, self).__init__(None)
self.common = common
self.common.log("TorConnectionWidget", "__init__")
self.status_bar = status_bar
self.label = QtWidgets.QLabel(strings._("connecting_to_tor"))
self.label.setAlignment(QtCore.Qt.AlignHCenter)
self.progress = QtWidgets.QProgressBar()
self.progress.setRange(0, 100)
self.cancel_button = QtWidgets.QPushButton(
strings._("gui_settings_button_cancel")
)
self.cancel_button.clicked.connect(self.cancel_clicked)
progress_layout = QtWidgets.QHBoxLayout()
progress_layout.addWidget(self.progress)
progress_layout.addWidget(self.cancel_button)
layout = QtWidgets.QVBoxLayout()
layout.addWidget(self.label)
layout.addLayout(progress_layout)
self.setLayout(layout)
# Start displaying the status at 0
self._tor_status_update(0, "")
def start(self, custom_settings=False, testing_settings=False, onion=None):
self.common.log("TorConnectionWidget", "start")
self.was_canceled = False
self.testing_settings = testing_settings
if custom_settings:
self.settings = custom_settings
else:
self.settings = self.common.settings
if self.testing_settings:
self.onion = onion
else:
self.onion = self.common.gui.onion
t = TorConnectionThread(self.common, self.settings, self)
t.tor_status_update.connect(self._tor_status_update)
t.connected_to_tor.connect(self._connected_to_tor)
t.canceled_connecting_to_tor.connect(self._canceled_connecting_to_tor)
t.error_connecting_to_tor.connect(self._error_connecting_to_tor)
t.start()
# The main thread needs to remain active, and checking for Qt events,
# until the thread is finished. Otherwise it won't be able to handle
# accepting signals.
self.active = True
while self.active:
time.sleep(0.1)
self.common.gui.qtapp.processEvents()
def cancel_clicked(self):
self.was_canceled = True
self.fail.emit("")
self._reset()
def wasCanceled(self):
return self.was_canceled
def _tor_status_update(self, progress, summary):
self.progress.setValue(int(progress))
self.update_progress.emit(int(progress))
self.label.setText(
f"<strong>{strings._('connecting_to_tor')}</strong><br>{summary}"
)
def _connected_to_tor(self):
self.common.log("TorConnectionWidget", "_connected_to_tor")
self.active = False
self.status_bar.clearMessage()
# Close the dialog after connecting
self.progress.setValue(self.progress.maximum())
self.update_progress.emit(int(self.progress.maximum()))
self.success.emit()
self._reset()
def _canceled_connecting_to_tor(self):
self.common.log("TorConnectionWidget", "_canceled_connecting_to_tor")
self.active = False
self.onion.cleanup()
# Cancel connecting to Tor
QtCore.QTimer.singleShot(1, self.cancel_clicked)
self._reset()
def _error_connecting_to_tor(self, msg):
self.common.log("TorConnectionWidget", "_error_connecting_to_tor")
self.active = False
self.fail.emit(msg)
self._reset()
def _reset(self):
self.label.setText("")
self.progress.setValue(0)
self.update_progress.emit(0)
class TorConnectionThread(QtCore.QThread):
tor_status_update = QtCore.Signal(str, str)
connected_to_tor = QtCore.Signal()
canceled_connecting_to_tor = QtCore.Signal()
error_connecting_to_tor = QtCore.Signal(str)
def __init__(self, common, settings, parent):
super(TorConnectionThread, self).__init__()
self.common = common
self.common.log("TorConnectionThread", "__init__")
self.settings = settings
self.parent = parent
def run(self):
self.common.log("TorConnectionThread", "run")
# Connect to the Onion
try:
self.parent.onion.connect(self.settings, False, self._tor_status_update)
if self.parent.onion.connected_to_tor:
self.connected_to_tor.emit()
else:
self.canceled_connecting_to_tor.emit()
except BundledTorCanceled:
self.common.log(
"TorConnectionThread", "run", "caught exception: BundledTorCanceled"
)
self.canceled_connecting_to_tor.emit()
except (
TorErrorInvalidSetting,
TorErrorAutomatic,
TorErrorSocketPort,
TorErrorSocketFile,
TorErrorMissingPassword,
TorErrorUnreadableCookieFile,
TorErrorAuthError,
TorErrorProtocolError,
BundledTorTimeout,
BundledTorBroken,
TorTooOldEphemeral,
TorTooOldStealth,
PortNotAvailable,
) as e:
message = self.common.gui.get_translated_tor_error(e)
self.common.log(
"TorConnectionThread", "run", f"caught exception: {message}"
)
self.error_connecting_to_tor.emit(message)
def _tor_status_update(self, progress, summary):
self.tor_status_update.emit(progress, summary)
# Return False if the dialog was canceled
return not self.parent.wasCanceled()
|