onionshare/onionshare_gui/onionshare_gui.py
2016-04-11 10:08:24 -07:00

340 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
from . import common
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(common.get_image_path('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()