onionshare/onionshare_gui/onionshare_gui.py

385 lines
15 KiB
Python

# -*- coding: utf-8 -*-
"""
OnionShare | https://onionshare.org/
Copyright (C) 2017 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/>.
"""
import os, platform, threading, time
from PyQt5 import QtCore, QtWidgets, QtGui
from onionshare import strings, helpers, web
from onionshare.settings import Settings
from .menu import Menu
from .file_selection import FileSelection
from .server_status import ServerStatus
from .downloads import Downloads
from .alert import Alert
from .update_checker import UpdateThread
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()
starting_server_step3 = QtCore.pyqtSignal()
starting_server_error = QtCore.pyqtSignal(str)
def __init__(self, qtapp, app, filenames):
super(OnionShareGui, self).__init__()
self.qtapp = qtapp
self.app = app
self.setWindowTitle('OnionShare')
self.setWindowIcon(QtGui.QIcon(helpers.get_resource_path('images/logo.png')))
# Menu bar
self.setMenuBar(Menu(self.qtapp))
# Check for updates in a new thread, if enabled
system = platform.system()
if system == 'Windows' or system == 'Darwin':
settings = Settings()
settings.load()
if settings.get('use_autoupdate'):
def update_available(update_url, installed_version, latest_version):
Alert(strings._("update_available", True).format(update_url, installed_version, latest_version))
t = UpdateThread()
t.update_available.connect(update_available)
t.start()
# 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.server_status.hidservauth_copied.connect(self.copy_hidservauth)
self.starting_server_step2.connect(self.start_server_step2)
self.starting_server_step3.connect(self.start_server_step3)
self.starting_server_error.connect(self.start_server_error)
# 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()
self.downloads_container = QtWidgets.QScrollArea()
self.downloads_container.setWidget(self.downloads)
self.downloads_container.setWidgetResizable(True)
self.downloads_container.setMaximumHeight(200)
self.vbar = self.downloads_container.verticalScrollBar()
self.downloads_container.hide() # downloads start out hidden
self.new_download = False
# 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)
# Status bar, zip progress bar
self._zip_progress_bar = None
# 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.addWidget(self.downloads_container)
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(self):
"""
Start the onionshare server. This uses multiple threads to start the Tor onion
server and the web app.
"""
# First, load settings and configure
settings = Settings()
settings.load()
self.app.set_stealth(settings.get('use_stealth'))
web.set_stay_open(not settings.get('close_after_first_download'))
# Reset web counters
web.download_count = 0
web.error404_count = 0
web.set_gui_mode()
# pick an available local port for the http service to listen on
self.app.choose_port()
# start onionshare http service in new thread
t = threading.Thread(target=web.start, args=(self.app.port, self.app.stay_open))
t.daemon = True
t.start()
# wait for modules in thread to load, preventing a thread-related cx_Freeze crash
time.sleep(0.2)
# start the onion service in a new thread
def start_onion_service(self):
try:
# Show Tor connection status if connection type is bundled tor
if settings.get('connection_type') == 'bundled':
def bundled_tor_func(message):
self.status_bar.showMessage(message)
if 'Done' in message:
self.status_bar.showMessage(strings._('gui_starting_server1', True))
else:
self.status_bar.showMessage(strings._('gui_starting_server1', True))
bundled_tor_func = None
self.app.start_onion_service(bundled_tor_func)
self.starting_server_step2.emit()
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, onionshare.onion.BundledTorTimeout) as e:
self.starting_server_error.emit(e.args[0])
return
t = threading.Thread(target=start_onion_service, kwargs={'self': self})
t.daemon = True
t.start()
def start_server_step2(self):
"""
Step 2 in starting the onionshare server. Zipping up files.
"""
# add progress bar to the status bar, indicating the crunching of files.
self._zip_progress_bar = ZipProgressBar(0)
self._zip_progress_bar.total_files_size = OnionShareGui._compute_total_size(
self.file_selection.file_list.filenames)
self.status_bar.clearMessage()
self.status_bar.insertWidget(0, self._zip_progress_bar)
# prepare the files for sending in a new thread
def finish_starting_server(self):
# prepare files to share
def _set_processed_size(x):
if self._zip_progress_bar != None:
self._zip_progress_bar.update_processed_size_signal.emit(x)
web.set_file_info(self.file_selection.file_list.filenames, processed_size_callback=_set_processed_size)
self.app.cleanup_filenames.append(web.zip_filename)
self.starting_server_step3.emit()
# 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 start_server_step3(self):
"""
Step 3 in starting the onionshare server. This displays the large filesize
warning, if applicable.
"""
# Remove zip progress bar
if self._zip_progress_bar is not None:
self.status_bar.removeWidget(self._zip_progress_bar)
self._zip_progress_bar = None
# 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_error(self, error):
"""
If there's an error when trying to start the onion service
"""
Alert(error, QtWidgets.QMessageBox.Warning)
self.server_status.stop_server()
self.status_bar.clearMessage()
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()
@staticmethod
def _compute_total_size(filenames):
total_size = 0
for filename in filenames:
if os.path.isfile(filename):
total_size += os.path.getsize(filename)
if os.path.isdir(filename):
total_size += helpers.dir_size(filename)
return total_size
def check_for_requests(self):
"""
Check for messages communicated from the web app, and update the GUI accordingly.
"""
self.update()
# scroll to the bottom of the dl progress bar log pane
# if a new download has been added
if self.new_download:
self.vbar.setValue(self.vbar.maximum())
self.new_download = False
# 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_container.show() # show the downloads layout
self.downloads.add_download(event["data"]["id"], web.zip_filesize)
self.new_download = True
elif event["type"] == web.REQUEST_RATE_LIMIT:
self.stop_server()
Alert(strings._('error_rate_limit'), QtWidgets.QMessageBox.Critical)
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:d}] {1:s}: {2:s}'.format(web.error404_count, 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 copy_hidservauth(self):
"""
When the stealth onion service HidServAuth gets copied to the clipboard, display this in the status bar.
"""
self.status_bar.showMessage(strings._('gui_copied_hidservauth', 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()
class ZipProgressBar(QtWidgets.QProgressBar):
update_processed_size_signal = QtCore.pyqtSignal(int)
def __init__(self, total_files_size):
super(ZipProgressBar, self).__init__()
self.setMaximumHeight(15)
self.setMinimumWidth(200)
self.setValue(0)
self.setFormat(strings._('zip_progress_bar_format'))
self.setStyleSheet(
"QProgressBar::chunk { background-color: #05B8CC; } "
)
self._total_files_size = total_files_size
self._processed_size = 0
self.update_processed_size_signal.connect(self.update_processed_size)
@property
def total_files_size(self):
return self._total_files_size
@total_files_size.setter
def total_files_size(self, val):
self._total_files_size = val
@property
def processed_size(self):
return self._processed_size
@processed_size.setter
def processed_size(self, val):
self.update_processed_size(val)
def update_processed_size(self, val):
self._processed_size = val
if self.processed_size < self.total_files_size:
self.setValue(int((self.processed_size * 100) / self.total_files_size))
elif self.total_files_size != 0:
self.setValue(100)
else:
self.setValue(0)