onionshare/onionshare_gui/onionshare_gui.py

338 lines
12 KiB
Python

# -*- coding: utf-8 -*-
"""
OnionShare | https://onionshare.org/
Copyright (C) 2016 Micah Lee <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/>.
"""
from __future__ import division
import os, sys, subprocess, inspect, platform, argparse, threading, time, math, inspect, platform
from PyQt5 import QtCore, QtWidgets, QtGui
import onionshare
from onionshare import strings, helpers, web
from .file_selection import FileSelection
from .server_status import ServerStatus
from .downloads import Downloads
from .options import Options
class Application(QtWidgets.QApplication):
"""
This is Qt's QApplication class. It has been overridden to support threads
and the quick keyboard shortcut.
"""
def __init__(self):
platform = helpers.get_platform()
if platform == 'Linux':
self.setAttribute(QtCore.Qt.AA_X11InitThreads, True)
QtWidgets.QApplication.__init__(self, sys.argv)
self.installEventFilter(self)
def eventFilter(self, obj, event):
if (event.type() == QtCore.QEvent.KeyPress and
event.key() == QtCore.Qt.Key_Q and
event.modifiers() == QtCore.Qt.ControlModifier):
self.quit()
return False
class OnionShareGui(QtWidgets.QMainWindow):
"""
OnionShareGui is the main window for the GUI that contains all of the
GUI elements.
"""
start_server_finished = QtCore.pyqtSignal()
stop_server_finished = QtCore.pyqtSignal()
starting_server_step2 = QtCore.pyqtSignal()
def __init__(self, qtapp, app):
super(OnionShareGui, self).__init__()
self.qtapp = qtapp
self.app = app
self.setWindowTitle('OnionShare')
self.setWindowIcon(window_icon)
def send_files(self, filenames=None):
"""
Build the GUI in send files mode.
Note that this is the only mode currently implemented.
"""
# file selection
self.file_selection = FileSelection()
if filenames:
for filename in filenames:
self.file_selection.file_list.add_file(filename)
# server status
self.server_status = ServerStatus(self.qtapp, self.app, web, self.file_selection)
self.server_status.server_started.connect(self.file_selection.server_started)
self.server_status.server_started.connect(self.start_server)
self.server_status.server_stopped.connect(self.file_selection.server_stopped)
self.server_status.server_stopped.connect(self.stop_server)
self.start_server_finished.connect(self.clear_message)
self.start_server_finished.connect(self.server_status.start_server_finished)
self.stop_server_finished.connect(self.server_status.stop_server_finished)
self.file_selection.file_list.files_updated.connect(self.server_status.update)
self.server_status.url_copied.connect(self.copy_url)
self.starting_server_step2.connect(self.start_server_step2)
# filesize warning
self.filesize_warning = QtWidgets.QLabel()
self.filesize_warning.setStyleSheet('padding: 10px 0; font-weight: bold; color: #333333;')
self.filesize_warning.hide()
# downloads
self.downloads = Downloads()
# options
self.options = Options(web, self.app)
# status bar
self.status_bar = QtWidgets.QStatusBar()
self.status_bar.setSizeGripEnabled(False)
version_label = QtWidgets.QLabel('v{0:s}'.format(helpers.get_version()))
version_label.setStyleSheet('color: #666666; padding: 0 10px;')
self.status_bar.addPermanentWidget(version_label)
self.setStatusBar(self.status_bar)
# main layout
self.layout = QtWidgets.QVBoxLayout()
self.layout.addLayout(self.file_selection)
self.layout.addLayout(self.server_status)
self.layout.addWidget(self.filesize_warning)
self.layout.addLayout(self.downloads)
self.layout.addLayout(self.options)
central_widget = QtWidgets.QWidget()
central_widget.setLayout(self.layout)
self.setCentralWidget(central_widget)
self.show()
# check for requests frequently
self.timer = QtCore.QTimer()
self.timer.timeout.connect(self.check_for_requests)
self.timer.start(500)
def start_server_step2(self):
"""
Step 2 in starting the onionshare server. This displays the large filesize
warning, if applicable.
"""
# warn about sending large files over Tor
if web.zip_filesize >= 157286400: # 150mb
self.filesize_warning.setText(strings._("large_filesize", True))
self.filesize_warning.show()
def start_server(self):
"""
Start the onionshare server. This uses multiple threads to start the Tor hidden
server and the web app.
"""
# start the hidden service
self.status_bar.showMessage(strings._('gui_starting_server1', True))
self.app.choose_port()
try:
self.app.start_hidden_service(gui=True)
except onionshare.hs.NoTor as e:
alert(e.args[0], QtWidgets.QMessageBox.Warning)
self.server_status.stop_server()
self.status_bar.clearMessage()
return
# start onionshare service in new thread
t = threading.Thread(target=web.start, args=(self.app.port, self.app.stay_open, self.app.transparent_torification))
t.daemon = True
t.start()
# prepare the files for sending in a new thread
def finish_starting_server(self):
# prepare files to share
web.set_file_info(self.file_selection.file_list.filenames)
self.app.cleanup_filenames.append(web.zip_filename)
self.starting_server_step2.emit()
# wait for hs
if not self.app.local_only:
self.status_bar.showMessage(strings._('gui_starting_server3', True))
self.app.hs.wait_for_hs(self.app.onion_host)
# done
self.start_server_finished.emit()
self.status_bar.showMessage(strings._('gui_starting_server2', True))
t = threading.Thread(target=finish_starting_server, kwargs={'self': self})
t.daemon = True
t.start()
def stop_server(self):
"""
Stop the onionshare server.
"""
if self.server_status.status != self.server_status.STATUS_STOPPED:
web.stop(self.app.port)
self.app.cleanup()
self.filesize_warning.hide()
self.stop_server_finished.emit()
def check_for_requests(self):
"""
Check for messages communicated from the web app, and update the GUI accordingly.
"""
self.update()
# only check for requests if the server is running
if self.server_status.status != self.server_status.STATUS_STARTED:
return
events = []
done = False
while not done:
try:
r = web.q.get(False)
events.append(r)
except web.queue.Empty:
done = True
for event in events:
if event["type"] == web.REQUEST_LOAD:
self.status_bar.showMessage(strings._('download_page_loaded', True))
elif event["type"] == web.REQUEST_DOWNLOAD:
self.downloads.add_download(event["data"]["id"], web.zip_filesize)
elif event["type"] == web.REQUEST_PROGRESS:
self.downloads.update_download(event["data"]["id"], event["data"]["bytes"])
# is the download complete?
if event["data"]["bytes"] == web.zip_filesize:
# close on finish?
if not web.get_stay_open():
self.server_status.stop_server()
elif event["type"] == web.REQUEST_CANCELED:
self.downloads.cancel_download(event["data"]["id"])
elif event["path"] != '/favicon.ico':
self.status_bar.showMessage('{0:s}: {1:s}'.format(strings._('other_page_loaded', True), event["path"]))
def copy_url(self):
"""
When the URL gets copied to the clipboard, display this in the status bar.
"""
self.status_bar.showMessage(strings._('gui_copied_url', True), 2000)
def clear_message(self):
"""
Clear messages from the status bar.
"""
self.status_bar.clearMessage()
def closeEvent(self, e):
if self.server_status.status != self.server_status.STATUS_STOPPED:
dialog = QtWidgets.QMessageBox()
dialog.setWindowTitle("OnionShare")
dialog.setText(strings._('gui_quit_warning', True))
quit_button = dialog.addButton(strings._('gui_quit_warning_quit', True), QtWidgets.QMessageBox.YesRole)
dont_quit_button = dialog.addButton(strings._('gui_quit_warning_dont_quit', True), QtWidgets.QMessageBox.NoRole)
dialog.setDefaultButton(dont_quit_button)
reply = dialog.exec_()
# Quit
if reply == 0:
self.stop_server()
e.accept()
# Don't Quit
else:
e.ignore()
def alert(msg, icon=QtWidgets.QMessageBox.NoIcon):
"""
Pop up a message in a dialog window.
"""
dialog = QtWidgets.QMessageBox()
dialog.setWindowTitle("OnionShare")
dialog.setWindowIcon(window_icon)
dialog.setText(msg)
dialog.setIcon(icon)
dialog.exec_()
def main():
"""
The main() function implements all of the logic that the GUI version of onionshare uses.
"""
strings.load_strings()
print(strings._('version_string').format(helpers.get_version()))
# start the Qt app
global qtapp
qtapp = Application()
# parse arguments
parser = argparse.ArgumentParser()
parser.add_argument('--local-only', action='store_true', dest='local_only', help=strings._("help_local_only"))
parser.add_argument('--stay-open', action='store_true', dest='stay_open', help=strings._("help_stay_open"))
parser.add_argument('--debug', action='store_true', dest='debug', help=strings._("help_debug"))
parser.add_argument('--transparent', action='store_true', dest='transparent_torification', help=strings._("help_transparent_torification"))
parser.add_argument('--filenames', metavar='filenames', nargs='+', help=strings._('help_filename'))
args = parser.parse_args()
filenames = args.filenames
if filenames:
for i in range(len(filenames)):
filenames[i] = os.path.abspath(filenames[i])
local_only = bool(args.local_only)
stay_open = bool(args.stay_open)
debug = bool(args.debug)
transparent_torification = bool(args.transparent_torification)
# create the onionshare icon
global window_icon
window_icon = QtGui.QIcon(helpers.get_resource_path('images/logo.png'))
# validation
if filenames:
valid = True
for filename in filenames:
if not os.path.exists(filename):
alert(strings._("not_a_file", True).format(filename))
valid = False
if not valid:
sys.exit()
# start the onionshare app
web.set_stay_open(stay_open)
web.set_transparent_torification(transparent_torification)
app = onionshare.OnionShare(debug, local_only, stay_open, transparent_torification)
# clean up when app quits
def shutdown():
app.cleanup()
qtapp.aboutToQuit.connect(shutdown)
# launch the gui
gui = OnionShareGui(qtapp, app)
gui.send_files(filenames)
# all done
sys.exit(qtapp.exec_())
if __name__ == '__main__':
main()