mirror of
https://github.com/onionshare/onionshare.git
synced 2024-10-01 01:35:40 -04:00
455 lines
17 KiB
Python
455 lines
17 KiB
Python
# -*- coding: utf-8 -*-
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"""
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OnionShare | https://onionshare.org/
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Copyright (C) 2017 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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from __future__ import division
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import os, sys, subprocess, inspect, platform, argparse, threading, time, math, inspect, platform
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from PyQt5 import QtCore, QtWidgets, QtGui
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from PyQt5.QtCore import pyqtSlot
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import onionshare
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from onionshare import strings, helpers, web
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from onionshare.settings import Settings
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from .menu import Menu
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from .file_selection import FileSelection
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from .server_status import ServerStatus
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from .downloads import Downloads
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from .alert import Alert
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class Application(QtWidgets.QApplication):
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"""
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This is Qt's QApplication class. It has been overridden to support threads
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and the quick keyboard shortcut.
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"""
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def __init__(self):
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platform = helpers.get_platform()
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if platform == 'Linux':
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self.setAttribute(QtCore.Qt.AA_X11InitThreads, True)
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QtWidgets.QApplication.__init__(self, sys.argv)
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self.installEventFilter(self)
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def eventFilter(self, obj, event):
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if (event.type() == QtCore.QEvent.KeyPress and
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event.key() == QtCore.Qt.Key_Q and
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event.modifiers() == QtCore.Qt.ControlModifier):
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self.quit()
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return False
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class OnionShareGui(QtWidgets.QMainWindow):
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"""
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OnionShareGui is the main window for the GUI that contains all of the
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GUI elements.
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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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def __init__(self, qtapp, app):
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super(OnionShareGui, self).__init__()
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self.qtapp = qtapp
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self.app = app
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self.setWindowTitle('OnionShare')
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self.setWindowIcon(window_icon)
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# the menu bar
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self.setMenuBar(Menu())
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def send_files(self, filenames=None):
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"""
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Build the GUI in send files mode.
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Note that this is the only mode currently implemented.
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"""
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# file selection
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self.file_selection = FileSelection()
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if filenames:
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for filename in filenames:
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self.file_selection.file_list.add_file(filename)
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# server status
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self.server_status = ServerStatus(self.qtapp, self.app, web, self.file_selection)
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self.server_status.server_started.connect(self.file_selection.server_started)
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self.server_status.server_started.connect(self.start_server)
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self.server_status.server_stopped.connect(self.file_selection.server_stopped)
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self.server_status.server_stopped.connect(self.stop_server)
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self.start_server_finished.connect(self.clear_message)
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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.file_selection.file_list.files_updated.connect(self.server_status.update)
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self.server_status.url_copied.connect(self.copy_url)
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self.server_status.hidservauth_copied.connect(self.copy_hidservauth)
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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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# filesize warning
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self.filesize_warning = QtWidgets.QLabel()
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self.filesize_warning.setStyleSheet('padding: 10px 0; font-weight: bold; color: #333333;')
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self.filesize_warning.hide()
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# downloads
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self.downloads = Downloads()
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self.downloads_container = QtWidgets.QScrollArea()
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self.downloads_container.setWidget(self.downloads)
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self.downloads_container.setWidgetResizable(True)
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self.downloads_container.setMaximumHeight(200)
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self.vbar = self.downloads_container.verticalScrollBar()
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self.downloads_container.hide() # downloads start out hidden
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self.new_download = False
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# status bar
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self.status_bar = QtWidgets.QStatusBar()
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self.status_bar.setSizeGripEnabled(False)
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version_label = QtWidgets.QLabel('v{0:s}'.format(helpers.get_version()))
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version_label.setStyleSheet('color: #666666; padding: 0 10px;')
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self.status_bar.addPermanentWidget(version_label)
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self.setStatusBar(self.status_bar)
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# status bar, zip progress bar
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self._zip_progress_bar = None
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# main layout
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self.layout = QtWidgets.QVBoxLayout()
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self.layout.addLayout(self.file_selection)
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self.layout.addLayout(self.server_status)
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self.layout.addWidget(self.filesize_warning)
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self.layout.addWidget(self.downloads_container)
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central_widget = QtWidgets.QWidget()
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central_widget.setLayout(self.layout)
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self.setCentralWidget(central_widget)
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self.show()
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# check for requests frequently
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self.timer = QtCore.QTimer()
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self.timer.timeout.connect(self.check_for_requests)
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self.timer.start(500)
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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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# First, load settings and configure
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settings = Settings()
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settings.load()
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self.app.set_stealth(settings.get('use_stealth'))
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web.set_stay_open(not settings.get('close_after_first_download'))
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# Reset web counters
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web.download_count = 0
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web.error404_count = 0
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web.set_gui_mode()
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# pick an available local port for the http service to listen on
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self.app.choose_port()
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# start onionshare http service in new thread
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t = threading.Thread(target=web.start, args=(self.app.port, self.app.stay_open, self.app.transparent_torification))
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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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# start the onion service in a new thread
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def start_onion_service(self):
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self.status_bar.showMessage(strings._('gui_starting_server1', True))
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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 (onionshare.onion.TorTooOld, onionshare.onion.TorErrorInvalidSetting, onionshare.onion.TorErrorAutomatic, onionshare.onion.TorErrorSocketPort, onionshare.onion.TorErrorSocketFile, onionshare.onion.TorErrorMissingPassword, onionshare.onion.TorErrorUnreadableCookieFile, onionshare.onion.TorErrorAuthError, onionshare.onion.TorErrorProtocolError) as e:
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self.starting_server_error.emit(e.args[0])
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return
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t = threading.Thread(target=start_onion_service, kwargs={'self': self})
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t.daemon = True
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t.start()
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def start_server_step2(self):
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"""
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Step 2 in starting the onionshare server. Zipping up files.
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"""
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# add progress bar to the status bar, indicating the crunching of files.
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self._zip_progress_bar = ZipProgressBar(0)
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self._zip_progress_bar.total_files_size = OnionShareGui._compute_total_size(
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self.file_selection.file_list.filenames)
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self.status_bar.clearMessage()
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self.status_bar.insertWidget(0, self._zip_progress_bar)
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# prepare the files for sending in a new thread
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def finish_starting_server(self):
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# prepare files to share
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def _set_processed_size(x):
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if self._zip_progress_bar != None:
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self._zip_progress_bar.update_processed_size_signal.emit(x)
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web.set_file_info(self.file_selection.file_list.filenames, processed_size_callback=_set_processed_size)
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self.app.cleanup_filenames.append(web.zip_filename)
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self.starting_server_step3.emit()
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# done
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self.start_server_finished.emit()
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#self.status_bar.showMessage(strings._('gui_starting_server2', True))
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t = threading.Thread(target=finish_starting_server, kwargs={'self': self})
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t.daemon = True
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t.start()
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def start_server_step3(self):
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"""
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Step 3 in starting the onionshare server. This displays the large filesize
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warning, if applicable.
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"""
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# Remove zip progress bar
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if self._zip_progress_bar is not None:
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self.status_bar.removeWidget(self._zip_progress_bar)
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self._zip_progress_bar = None
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# warn about sending large files over Tor
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if web.zip_filesize >= 157286400: # 150mb
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self.filesize_warning.setText(strings._("large_filesize", True))
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self.filesize_warning.show()
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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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Alert(error, QtWidgets.QMessageBox.Warning)
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self.server_status.stop_server()
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self.status_bar.clearMessage()
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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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if self.server_status.status != self.server_status.STATUS_STOPPED:
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web.stop(self.app.port)
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self.app.cleanup()
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self.filesize_warning.hide()
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self.stop_server_finished.emit()
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@staticmethod
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def _compute_total_size(filenames):
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total_size = 0
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for filename in filenames:
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if os.path.isfile(filename):
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total_size += os.path.getsize(filename)
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if os.path.isdir(filename):
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total_size += helpers.dir_size(filename)
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return total_size
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def check_for_requests(self):
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"""
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Check for messages communicated from the web app, and update the GUI accordingly.
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"""
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self.update()
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# scroll to the bottom of the dl progress bar log pane
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# if a new download has been added
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if self.new_download:
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self.vbar.setValue(self.vbar.maximum())
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self.new_download = False
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# only check for requests if the server is running
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if self.server_status.status != self.server_status.STATUS_STARTED:
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return
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events = []
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done = False
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while not done:
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try:
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r = web.q.get(False)
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events.append(r)
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except web.queue.Empty:
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done = True
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for event in events:
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if event["type"] == web.REQUEST_LOAD:
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self.status_bar.showMessage(strings._('download_page_loaded', True))
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elif event["type"] == web.REQUEST_DOWNLOAD:
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self.downloads_container.show() # show the downloads layout
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self.downloads.add_download(event["data"]["id"], web.zip_filesize)
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self.new_download = True
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elif event["type"] == web.REQUEST_RATE_LIMIT:
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self.stop_server()
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Alert(strings._('error_rate_limit'), QtWidgets.QMessageBox.Critical)
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elif event["type"] == web.REQUEST_PROGRESS:
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self.downloads.update_download(event["data"]["id"], event["data"]["bytes"])
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# is the download complete?
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if event["data"]["bytes"] == web.zip_filesize:
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# close on finish?
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if not web.get_stay_open():
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self.server_status.stop_server()
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elif event["type"] == web.REQUEST_CANCELED:
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self.downloads.cancel_download(event["data"]["id"])
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elif event["path"] != '/favicon.ico':
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self.status_bar.showMessage('[#{0:d}] {1:s}: {2:s}'.format(web.error404_count, strings._('other_page_loaded', True), event["path"]))
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def copy_url(self):
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"""
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When the URL gets copied to the clipboard, display this in the status bar.
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"""
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self.status_bar.showMessage(strings._('gui_copied_url', True), 2000)
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def copy_hidservauth(self):
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"""
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When the stealth onion service HidServAuth gets copied to the clipboard, display this in the status bar.
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"""
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self.status_bar.showMessage(strings._('gui_copied_hidservauth', True), 2000)
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def clear_message(self):
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"""
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Clear messages from the status bar.
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"""
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self.status_bar.clearMessage()
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def closeEvent(self, e):
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if self.server_status.status != self.server_status.STATUS_STOPPED:
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dialog = QtWidgets.QMessageBox()
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dialog.setWindowTitle("OnionShare")
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dialog.setText(strings._('gui_quit_warning', True))
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quit_button = dialog.addButton(strings._('gui_quit_warning_quit', True), QtWidgets.QMessageBox.YesRole)
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dont_quit_button = dialog.addButton(strings._('gui_quit_warning_dont_quit', True), QtWidgets.QMessageBox.NoRole)
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dialog.setDefaultButton(dont_quit_button)
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reply = dialog.exec_()
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# Quit
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if reply == 0:
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self.stop_server()
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e.accept()
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# Don't Quit
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else:
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e.ignore()
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class ZipProgressBar(QtWidgets.QProgressBar):
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update_processed_size_signal = QtCore.pyqtSignal(int)
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def __init__(self, total_files_size):
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super(ZipProgressBar, self).__init__()
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self.setMaximumHeight(15)
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self.setMinimumWidth(200)
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self.setValue(0)
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self.setFormat(strings._('zip_progress_bar_format'))
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self.setStyleSheet(
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"QProgressBar::chunk { background-color: #05B8CC; } "
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)
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self._total_files_size = total_files_size
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self._processed_size = 0
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self.update_processed_size_signal.connect(self.update_processed_size)
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@property
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def total_files_size(self):
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return self._total_files_size
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@total_files_size.setter
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def total_files_size(self, val):
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self._total_files_size = val
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@property
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def processed_size(self):
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return self._processed_size
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@processed_size.setter
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def processed_size(self, val):
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self.update_processed_size(val)
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def update_processed_size(self, val):
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self._processed_size = val
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if self.processed_size < self.total_files_size:
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self.setValue(int((self.processed_size * 100) / self.total_files_size))
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elif self.total_files_size != 0:
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self.setValue(100)
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else:
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self.setValue(0)
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def main():
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"""
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The main() function implements all of the logic that the GUI version of onionshare uses.
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"""
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strings.load_strings(helpers)
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print(strings._('version_string').format(helpers.get_version()))
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# start the Qt app
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global qtapp
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qtapp = Application()
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# parse arguments
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parser = argparse.ArgumentParser()
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parser.add_argument('--local-only', action='store_true', dest='local_only', help=strings._("help_local_only"))
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parser.add_argument('--stay-open', action='store_true', dest='stay_open', help=strings._("help_stay_open"))
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parser.add_argument('--debug', action='store_true', dest='debug', help=strings._("help_debug"))
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parser.add_argument('--transparent', action='store_true', dest='transparent_torification', help=strings._("help_transparent_torification"))
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parser.add_argument('--filenames', metavar='filenames', nargs='+', help=strings._('help_filename'))
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args = parser.parse_args()
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filenames = args.filenames
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if filenames:
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for i in range(len(filenames)):
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filenames[i] = os.path.abspath(filenames[i])
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local_only = bool(args.local_only)
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stay_open = bool(args.stay_open)
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debug = bool(args.debug)
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transparent_torification = bool(args.transparent_torification)
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# create the onionshare icon
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global window_icon
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window_icon = QtGui.QIcon(helpers.get_resource_path('images/logo.png'))
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# validation
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if filenames:
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valid = True
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for filename in filenames:
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if not os.path.exists(filename):
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Alert(strings._("not_a_file", True).format(filename))
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valid = False
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if not valid:
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sys.exit()
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# start the onionshare app
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web.set_stay_open(stay_open)
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web.set_transparent_torification(transparent_torification)
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app = onionshare.OnionShare(debug, local_only, stay_open, transparent_torification)
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# clean up when app quits
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def shutdown():
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app.cleanup()
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qtapp.aboutToQuit.connect(shutdown)
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# launch the gui
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gui = OnionShareGui(qtapp, app)
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gui.send_files(filenames)
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# all done
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sys.exit(qtapp.exec_())
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if __name__ == '__main__':
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main()
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