onionshare/onionshare_gui/share_mode.py

392 lines
18 KiB
Python

# -*- coding: utf-8 -*-
"""
OnionShare | https://onionshare.org/
Copyright (C) 2014-2018 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 PyQt5 import QtCore, QtWidgets, QtGui
from onionshare import strings
from .mode import Mode
class ShareMode(QtWidgets.QWidget):
"""
Parts of the main window UI for sharing files.
"""
def __init__(self, common):
super(ShareMode, self).__init__()
self.common = common
# File selection
self.file_selection = FileSelection(self.common)
if filenames:
for filename in filenames:
self.file_selection.file_list.add_file(filename)
# Server status
self.server_status = ServerStatus(self.common, self.qtapp, self.app, self.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_started.connect(self.update_server_status_indicator)
self.server_status.server_stopped.connect(self.file_selection.server_stopped)
self.server_status.server_stopped.connect(self.stop_server)
self.server_status.server_stopped.connect(self.update_server_status_indicator)
self.server_status.server_stopped.connect(self.update_primary_action)
self.server_status.server_canceled.connect(self.cancel_server)
self.server_status.server_canceled.connect(self.file_selection.server_stopped)
self.server_status.server_canceled.connect(self.update_primary_action)
self.start_server_finished.connect(self.clear_message)
self.start_server_finished.connect(self.server_status.start_server_finished)
self.start_server_finished.connect(self.update_server_status_indicator)
self.stop_server_finished.connect(self.server_status.stop_server_finished)
self.stop_server_finished.connect(self.update_server_status_indicator)
self.file_selection.file_list.files_updated.connect(self.server_status.update)
self.file_selection.file_list.files_updated.connect(self.update_primary_action)
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)
self.server_status.button_clicked.connect(self.clear_message)
# Filesize warning
self.filesize_warning = QtWidgets.QLabel()
self.filesize_warning.setWordWrap(True)
self.filesize_warning.setStyleSheet('padding: 10px 0; font-weight: bold; color: #333333;')
self.filesize_warning.hide()
# Downloads
self.downloads = Downloads(self.common)
self.new_download = False
self.downloads_in_progress = 0
self.downloads_completed = 0
# Info label along top of screen
self.info_layout = QtWidgets.QHBoxLayout()
self.info_label = QtWidgets.QLabel()
self.info_label.setStyleSheet('QLabel { font-size: 12px; color: #666666; }')
self.info_show_downloads = QtWidgets.QToolButton()
self.info_show_downloads.setIcon(QtGui.QIcon(self.common.get_resource_path('images/download_window_gray.png')))
self.info_show_downloads.setCheckable(True)
self.info_show_downloads.toggled.connect(self.downloads_toggled)
self.info_show_downloads.setToolTip(strings._('gui_downloads_window_tooltip', True))
self.info_in_progress_downloads_count = QtWidgets.QLabel()
self.info_in_progress_downloads_count.setStyleSheet('QLabel { font-size: 12px; color: #666666; }')
self.info_completed_downloads_count = QtWidgets.QLabel()
self.info_completed_downloads_count.setStyleSheet('QLabel { font-size: 12px; color: #666666; }')
self.update_downloads_completed(self.downloads_in_progress)
self.update_downloads_in_progress(self.downloads_in_progress)
self.info_layout.addWidget(self.info_label)
self.info_layout.addStretch()
self.info_layout.addWidget(self.info_in_progress_downloads_count)
self.info_layout.addWidget(self.info_completed_downloads_count)
self.info_layout.addWidget(self.info_show_downloads)
self.info_widget = QtWidgets.QWidget()
self.info_widget.setLayout(self.info_layout)
self.info_widget.hide()
# Server status indicator on the status bar
self.server_status_image_stopped = QtGui.QImage(self.common.get_resource_path('images/server_stopped.png'))
self.server_status_image_working = QtGui.QImage(self.common.get_resource_path('images/server_working.png'))
self.server_status_image_started = QtGui.QImage(self.common.get_resource_path('images/server_started.png'))
self.server_status_image_label = QtWidgets.QLabel()
self.server_status_image_label.setFixedWidth(20)
self.server_status_label = QtWidgets.QLabel()
self.server_status_label.setStyleSheet('QLabel { font-style: italic; color: #666666; }')
server_status_indicator_layout = QtWidgets.QHBoxLayout()
server_status_indicator_layout.addWidget(self.server_status_image_label)
server_status_indicator_layout.addWidget(self.server_status_label)
self.server_status_indicator = QtWidgets.QWidget()
self.server_status_indicator.setLayout(server_status_indicator_layout)
self.update_server_status_indicator()
# Primary action layout
primary_action_layout = QtWidgets.QVBoxLayout()
primary_action_layout.addWidget(self.server_status)
primary_action_layout.addWidget(self.filesize_warning)
self.primary_action = QtWidgets.QWidget()
self.primary_action.setLayout(primary_action_layout)
self.primary_action.hide()
self.update_primary_action()
# Layout
layout = QtWidgets.QVBoxLayout()
layout.addWidget(self.info_widget)
layout.addLayout(self.file_selection)
layout.addWidget(self.primary_action)
self.setLayout(layout)
# Always start with focus on file selection
self.file_selection.setFocus()
def update_primary_action(self):
# Show or hide primary action layout
file_count = self.file_selection.file_list.count()
if file_count > 0:
self.primary_action.show()
self.info_widget.show()
# Update the file count in the info label
total_size_bytes = 0
for index in range(self.file_selection.file_list.count()):
item = self.file_selection.file_list.item(index)
total_size_bytes += item.size_bytes
total_size_readable = self.common.human_readable_filesize(total_size_bytes)
if file_count > 1:
self.info_label.setText(strings._('gui_file_info', True).format(file_count, total_size_readable))
else:
self.info_label.setText(strings._('gui_file_info_single', True).format(file_count, total_size_readable))
else:
self.primary_action.hide()
self.info_widget.hide()
# Resize window
self.adjustSize()
def update_server_status_indicator(self):
self.common.log('OnionShareGui', 'update_server_status_indicator')
# Set the status image
if self.server_status.status == self.server_status.STATUS_STOPPED:
self.server_status_image_label.setPixmap(QtGui.QPixmap.fromImage(self.server_status_image_stopped))
self.server_status_label.setText(strings._('gui_status_indicator_stopped', True))
elif self.server_status.status == self.server_status.STATUS_WORKING:
self.server_status_image_label.setPixmap(QtGui.QPixmap.fromImage(self.server_status_image_working))
self.server_status_label.setText(strings._('gui_status_indicator_working', True))
elif self.server_status.status == self.server_status.STATUS_STARTED:
self.server_status_image_label.setPixmap(QtGui.QPixmap.fromImage(self.server_status_image_started))
self.server_status_label.setText(strings._('gui_status_indicator_started', True))
def start_server(self):
"""
Start the onionshare server. This uses multiple threads to start the Tor onion
server and the web app.
"""
self.common.log('OnionShareGui', 'start_server')
self.set_server_active(True)
self.app.set_stealth(self.common.settings.get('use_stealth'))
# Hide and reset the downloads if we have previously shared
self.downloads.reset_downloads()
self.reset_info_counters()
self.status_bar.clearMessage()
self.server_share_status_label.setText('')
# Reset web counters
self.web.download_count = 0
self.web.error404_count = 0
# start the onion service in a new thread
def start_onion_service(self):
try:
self.app.start_onion_service()
self.starting_server_step2.emit()
except (TorTooOld, TorErrorInvalidSetting, TorErrorAutomatic, TorErrorSocketPort, TorErrorSocketFile, TorErrorMissingPassword, TorErrorUnreadableCookieFile, TorErrorAuthError, TorErrorProtocolError, BundledTorTimeout, OSError) as e:
self.starting_server_error.emit(e.args[0])
return
self.app.stay_open = not self.common.settings.get('close_after_first_download')
# start onionshare http service in new thread
t = threading.Thread(target=self.web.start, args=(self.app.port, self.app.stay_open, self.common.settings.get('slug')))
t.daemon = True
t.start()
# wait for modules in thread to load, preventing a thread-related cx_Freeze crash
time.sleep(0.2)
self.common.log('OnionshareGui', 'start_server', 'Starting an onion thread')
self.t = OnionThread(self.common, function=start_onion_service, kwargs={'self': self})
self.t.daemon = True
self.t.start()
def start_server_step2(self):
"""
Step 2 in starting the onionshare server. Zipping up files.
"""
self.common.log('OnionShareGui', 'start_server_step2')
# add progress bar to the status bar, indicating the compressing of files.
self._zip_progress_bar = ZipProgressBar(0)
self.filenames = []
for index in range(self.file_selection.file_list.count()):
self.filenames.append(self.file_selection.file_list.item(index).filename)
self._zip_progress_bar.total_files_size = ShareMode._compute_total_size(self.filenames)
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)
try:
self.web.set_file_info(self.filenames, processed_size_callback=_set_processed_size)
self.app.cleanup_filenames.append(self.web.zip_filename)
self.starting_server_step3.emit()
# done
self.start_server_finished.emit()
except OSError as e:
self.starting_server_error.emit(e.strerror)
return
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.
"""
self.common.log('OnionShareGui', 'start_server_step3')
# 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 self.web.zip_filesize >= 157286400: # 150mb
self.filesize_warning.setText(strings._("large_filesize", True))
self.filesize_warning.show()
if self.common.settings.get('shutdown_timeout'):
# Convert the date value to seconds between now and then
now = QtCore.QDateTime.currentDateTime()
self.timeout = now.secsTo(self.server_status.timeout)
# Set the shutdown timeout value
if self.timeout > 0:
self.app.shutdown_timer = ShutdownTimer(self.common, self.timeout)
self.app.shutdown_timer.start()
# The timeout has actually already passed since the user clicked Start. Probably the Onion service took too long to start.
else:
self.stop_server()
self.start_server_error(strings._('gui_server_started_after_timeout'))
def start_server_error(self, error):
"""
If there's an error when trying to start the onion service
"""
self.common.log('OnionShareGui', 'start_server_error')
self.set_server_active(False)
Alert(self.common, error, QtWidgets.QMessageBox.Warning)
self.server_status.stop_server()
if self._zip_progress_bar is not None:
self.status_bar.removeWidget(self._zip_progress_bar)
self._zip_progress_bar = None
self.status_bar.clearMessage()
def cancel_server(self):
"""
Cancel the server while it is preparing to start
"""
if self.t:
self.t.quit()
self.stop_server()
def stop_server(self):
"""
Stop the onionshare server.
"""
self.common.log('OnionShareGui', 'stop_server')
if self.server_status.status != self.server_status.STATUS_STOPPED:
try:
self.web.stop(self.app.port)
except:
# Probably we had no port to begin with (Onion service didn't start)
pass
self.app.cleanup()
# Remove ephemeral service, but don't disconnect from Tor
self.onion.cleanup(stop_tor=False)
self.filesize_warning.hide()
self.downloads_in_progress = 0
self.downloads_completed = 0
self.update_downloads_in_progress(0)
self.file_selection.file_list.adjustSize()
self.set_server_active(False)
self.stop_server_finished.emit()
def downloads_toggled(self, checked):
"""
When the 'Show/hide downloads' button is toggled, show or hide the downloads window.
"""
self.common.log('OnionShareGui', 'toggle_downloads')
if checked:
self.downloads.downloads_container.show()
else:
self.downloads.downloads_container.hide()
def reset_info_counters(self):
"""
Set the info counters back to zero.
"""
self.update_downloads_completed(0)
self.update_downloads_in_progress(0)
self.info_show_downloads.setIcon(QtGui.QIcon(self.common.get_resource_path('images/download_window_gray.png')))
self.downloads.no_downloads_label.show()
self.downloads.downloads_container.resize(self.downloads.downloads_container.sizeHint())
def update_downloads_completed(self, count):
"""
Update the 'Downloads completed' info widget.
"""
if count == 0:
self.info_completed_downloads_image = self.common.get_resource_path('images/download_completed_none.png')
else:
self.info_completed_downloads_image = self.common.get_resource_path('images/download_completed.png')
self.info_completed_downloads_count.setText('<img src="{0:s}" /> {1:d}'.format(self.info_completed_downloads_image, count))
self.info_completed_downloads_count.setToolTip(strings._('info_completed_downloads_tooltip', True).format(count))
def update_downloads_in_progress(self, count):
"""
Update the 'Downloads in progress' info widget.
"""
if count == 0:
self.info_in_progress_downloads_image = self.common.get_resource_path('images/download_in_progress_none.png')
else:
self.info_in_progress_downloads_image = self.common.get_resource_path('images/download_in_progress.png')
self.info_show_downloads.setIcon(QtGui.QIcon(self.common.get_resource_path('images/download_window_green.png')))
self.info_in_progress_downloads_count.setText('<img src="{0:s}" /> {1:d}'.format(self.info_in_progress_downloads_image, count))
self.info_in_progress_downloads_count.setToolTip(strings._('info_in_progress_downloads_tooltip', True).format(count))
@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 += Common.dir_size(filename)
return total_size