mirror of
https://github.com/onionshare/onionshare.git
synced 2024-10-01 01:35:40 -04:00
252 lines
8.2 KiB
Python
252 lines
8.2 KiB
Python
# -*- coding: utf-8 -*-
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"""
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OnionShare | https://onionshare.org/
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Copyright (C) 2014-2018 Micah Lee <micah@micahflee.com>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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"""
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import time
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import threading
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from PyQt5 import QtCore, QtWidgets, QtGui
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from onionshare import strings
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from onionshare.common import ShutdownTimer
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from .server_status import ServerStatus
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from .onion_thread import OnionThread
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from .widgets import Alert
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class Mode(QtWidgets.QWidget):
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"""
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The class that ShareMode and ReceiveMode inherit from.
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"""
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start_server_finished = QtCore.pyqtSignal()
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stop_server_finished = QtCore.pyqtSignal()
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starting_server_step2 = QtCore.pyqtSignal()
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starting_server_step3 = QtCore.pyqtSignal()
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starting_server_error = QtCore.pyqtSignal(str)
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set_server_active = QtCore.pyqtSignal(bool)
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def __init__(self, common, qtapp, app, web, status_bar, server_status_label, system_tray, filenames=None):
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super(Mode, self).__init__()
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self.common = common
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self.qtapp = qtapp
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self.app = app
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self.web = web
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self.status_bar = status_bar
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self.server_status_label = server_status_label
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self.system_tray = system_tray
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self.filenames = filenames
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# Server status
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self.server_status = ServerStatus(self.common, self.qtapp, self.app, self.web)
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self.server_status.server_started.connect(self.start_server)
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self.server_status.server_stopped.connect(self.stop_server)
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self.server_status.server_canceled.connect(self.cancel_server)
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self.start_server_finished.connect(self.server_status.start_server_finished)
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self.stop_server_finished.connect(self.server_status.stop_server_finished)
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self.starting_server_step2.connect(self.start_server_step2)
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self.starting_server_step3.connect(self.start_server_step3)
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self.starting_server_error.connect(self.start_server_error)
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# Primary action layout
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self.primary_action_layout = QtWidgets.QVBoxLayout()
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self.primary_action_layout.addWidget(self.server_status)
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self.primary_action = QtWidgets.QWidget()
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self.primary_action.setLayout(self.primary_action_layout)
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# Layout
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self.layout = QtWidgets.QVBoxLayout()
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self.layout.addWidget(self.primary_action)
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self.setLayout(self.layout)
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def init(self):
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"""
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Add custom initialization here.
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"""
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pass
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def timer_callback(self):
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"""
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This method is called regularly on a timer.
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"""
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pass
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def start_server(self):
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"""
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Start the onionshare server. This uses multiple threads to start the Tor onion
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server and the web app.
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"""
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self.common.log('Mode', 'start_server')
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self.start_server_custom()
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self.set_server_active.emit(True)
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self.app.set_stealth(self.common.settings.get('use_stealth'))
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# Clear the status bar
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self.status_bar.clearMessage()
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self.server_status_label.setText('')
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# Reset web counters
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self.web.download_count = 0
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self.web.error404_count = 0
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# start the onion service in a new thread
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def start_onion_service(self):
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try:
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self.app.start_onion_service()
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self.starting_server_step2.emit()
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except (TorTooOld, TorErrorInvalidSetting, TorErrorAutomatic, TorErrorSocketPort, TorErrorSocketFile, TorErrorMissingPassword, TorErrorUnreadableCookieFile, TorErrorAuthError, TorErrorProtocolError, BundledTorTimeout, OSError) as e:
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self.starting_server_error.emit(e.args[0])
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return
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self.app.stay_open = not self.common.settings.get('close_after_first_download')
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# start onionshare http service in new thread
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t = threading.Thread(target=self.web.start, args=(self.app.port, self.app.stay_open, self.common.settings.get('slug')))
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t.daemon = True
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t.start()
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# wait for modules in thread to load, preventing a thread-related cx_Freeze crash
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time.sleep(0.2)
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self.common.log('Mode', 'start_server', 'Starting an onion thread')
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self.t = OnionThread(self.common, function=start_onion_service, kwargs={'self': self})
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self.t.daemon = True
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self.t.start()
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def start_server_custom(self):
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"""
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Add custom initialization here.
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"""
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pass
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def start_server_step2(self):
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"""
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Step 2 in starting the onionshare server.
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"""
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self.common.log('Mode', 'start_server_step2')
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self.start_server_step2_custom()
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# Nothing to do here.
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# start_server_step2_custom has call these to move on:
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# self.starting_server_step3.emit()
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# self.start_server_finished.emit()
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def start_server_step2_custom(self):
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"""
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Add custom initialization here.
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"""
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pass
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def start_server_step3(self):
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"""
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Step 3 in starting the onionshare server.
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"""
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self.common.log('Mode', 'start_server_step3')
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self.start_server_step3_custom()
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if self.common.settings.get('shutdown_timeout'):
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# Convert the date value to seconds between now and then
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now = QtCore.QDateTime.currentDateTime()
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self.timeout = now.secsTo(self.server_status.timeout)
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# Set the shutdown timeout value
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if self.timeout > 0:
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self.app.shutdown_timer = ShutdownTimer(self.common, self.timeout)
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self.app.shutdown_timer.start()
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# The timeout has actually already passed since the user clicked Start. Probably the Onion service took too long to start.
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else:
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self.stop_server()
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self.start_server_error(strings._('gui_server_started_after_timeout'))
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def start_server_step3_custom(self):
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"""
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Add custom initialization here.
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"""
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pass
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def start_server_error(self, error):
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"""
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If there's an error when trying to start the onion service
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"""
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self.common.log('Mode', 'start_server_error')
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Alert(self.common, error, QtWidgets.QMessageBox.Warning)
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self.set_server_active.emit(False)
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self.server_status.stop_server()
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self.status_bar.clearMessage()
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self.start_server_error_custom()
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def start_server_error_custom(self):
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"""
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Add custom initialization here.
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"""
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pass
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def cancel_server(self):
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"""
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Cancel the server while it is preparing to start
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"""
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if self.t:
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self.t.quit()
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self.stop_server()
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def stop_server(self):
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"""
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Stop the onionshare server.
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"""
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self.common.log('Mode', 'stop_server')
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if self.server_status.status != self.server_status.STATUS_STOPPED:
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try:
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self.web.stop(self.app.port)
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except:
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# Probably we had no port to begin with (Onion service didn't start)
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pass
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self.app.cleanup()
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self.stop_server_custom()
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self.set_server_active.emit(False)
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self.stop_server_finished.emit()
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def stop_server_custom(self):
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"""
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Add custom initialization here.
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"""
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pass
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def handle_tor_broke(self):
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"""
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Handle connection from Tor breaking.
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"""
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if self.server_status.status != self.server_status.STATUS_STOPPED:
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self.server_status.stop_server()
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self.handle_tor_broke_custom()
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def handle_tor_broke_custom(self):
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"""
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Add custom initialization here.
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"""
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pass
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