# -*- coding: utf-8 -*- """ OnionShare | https://onionshare.org/ Copyright (C) 2017 Micah Lee 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 . """ import os, threading, time from PyQt5 import QtCore, QtWidgets, QtGui from onionshare import strings, common, web from onionshare.settings import Settings from onionshare.onion import * from .tor_connection_dialog import TorConnectionDialog from .settings_dialog import SettingsDialog 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, onion, qtapp, app, filenames, config=False): super(OnionShareGui, self).__init__() self._initSystemTray() common.log('OnionShareGui', '__init__') self.onion = onion self.qtapp = qtapp self.app = app self.setWindowTitle('OnionShare') self.setWindowIcon(QtGui.QIcon(common.get_resource_path('images/logo.png'))) # Load settings self.config = config self.settings = Settings(self.config) self.settings.load() # 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.settings) 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.downloads_container.setMinimumHeight(75) 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) self.status_bar.setStyleSheet( "QStatusBar::item { border: 0px; }") version_label = QtWidgets.QLabel('v{0:s}'.format(common.get_version())) version_label.setStyleSheet('color: #666666') self.settings_button = QtWidgets.QPushButton() self.settings_button.setDefault(False) self.settings_button.setFlat(True) self.settings_button.setIcon( QtGui.QIcon(common.get_resource_path('images/settings.png')) ) self.settings_button.clicked.connect(self.open_settings) self.status_bar.addPermanentWidget(version_label) self.status_bar.addPermanentWidget(self.settings_button) self.setStatusBar(self.status_bar) # Status bar, zip progress bar self._zip_progress_bar = None # Persistent URL notification self.persistent_url_label = QtWidgets.QLabel(strings._('persistent_url_in_use', True)) self.persistent_url_label.setStyleSheet('padding: 10px 0; font-weight: bold; color: #333333;') self.persistent_url_label.hide() # 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.persistent_url_label) self.layout.addWidget(self.downloads_container) central_widget = QtWidgets.QWidget() central_widget.setLayout(self.layout) self.setCentralWidget(central_widget) self.show() # Always start with focus on file selection self.file_selection.setFocus() # The server isn't active yet self.set_server_active(False) # Create the timer self.timer = QtCore.QTimer() self.timer.timeout.connect(self.check_for_requests) # Start the "Connecting to Tor" dialog, which calls onion.connect() tor_con = TorConnectionDialog(self.qtapp, self.settings, self.onion) tor_con.canceled.connect(self._tor_connection_canceled) tor_con.open_settings.connect(self._tor_connection_open_settings) tor_con.start() # Start the timer self.timer.start(500) # After connecting to Tor, check for updates self.check_for_updates() def _initSystemTray(self): system = common.get_platform() menu = QtWidgets.QMenu() self.settingsAction = menu.addAction(strings._('gui_settings_window_title', True)) self.settingsAction.triggered.connect(self.open_settings) self.helpAction = menu.addAction(strings._('gui_settings_button_help', True)) self.helpAction.triggered.connect(SettingsDialog.help_clicked) self.exitAction = menu.addAction(strings._('systray_menu_exit', True)) self.exitAction.triggered.connect(self.close) self.systemTray = QtWidgets.QSystemTrayIcon(self) # The convention is Mac systray icons are always grayscale if system == 'Darwin': self.systemTray.setIcon(QtGui.QIcon(common.get_resource_path('images/logo_grayscale.png'))) else: self.systemTray.setIcon(QtGui.QIcon(common.get_resource_path('images/logo.png'))) self.systemTray.setContextMenu(menu) self.systemTray.show() def _tor_connection_canceled(self): """ If the user cancels before Tor finishes connecting, ask if they want to quit, or open settings. """ common.log('OnionShareGui', '_tor_connection_canceled') def ask(): a = Alert(strings._('gui_tor_connection_ask', True), QtWidgets.QMessageBox.Question, buttons=QtWidgets.QMessageBox.NoButton, autostart=False) settings_button = QtWidgets.QPushButton(strings._('gui_tor_connection_ask_open_settings', True)) quit_button = QtWidgets.QPushButton(strings._('gui_tor_connection_ask_quit', True)) a.addButton(settings_button, QtWidgets.QMessageBox.AcceptRole) a.addButton(quit_button, QtWidgets.QMessageBox.RejectRole) a.setDefaultButton(settings_button) a.exec_() if a.clickedButton() == settings_button: # Open settings common.log('OnionShareGui', '_tor_connection_canceled', 'Settings button clicked') self.open_settings() if a.clickedButton() == quit_button: # Quit common.log('OnionShareGui', '_tor_connection_canceled', 'Quit button clicked') # Wait 1ms for the event loop to finish, then quit QtCore.QTimer.singleShot(1, self.qtapp.quit) # Wait 100ms before asking QtCore.QTimer.singleShot(100, ask) def _tor_connection_open_settings(self): """ The TorConnectionDialog wants to open the Settings dialog """ common.log('OnionShareGui', '_tor_connection_open_settings') # Wait 1ms for the event loop to finish closing the TorConnectionDialog QtCore.QTimer.singleShot(1, self.open_settings) def open_settings(self): """ Open the SettingsDialog. """ common.log('OnionShareGui', 'open_settings') def reload_settings(): common.log('OnionShareGui', 'open_settings', 'settings have changed, reloading') self.settings.load() # We might've stopped the main requests timer if a Tor connection failed. # If we've reloaded settings, we probably succeeded in obtaining a new # connection. If so, restart the timer. if self.onion.is_authenticated(): if not self.timer.isActive(): self.timer.start(500) # If there were some files listed for sharing, we should be ok to # re-enable the 'Start Sharing' button now. if self.server_status.file_selection.get_num_files() > 0: self.server_status.server_button.setEnabled(True) self.status_bar.clearMessage() d = SettingsDialog(self.onion, self.qtapp, self.config) d.settings_saved.connect(reload_settings) d.exec_() def start_server(self): """ Start the onionshare server. This uses multiple threads to start the Tor onion server and the web app. """ common.log('OnionShareGui', 'start_server') self.set_server_active(True) self.app.set_stealth(self.settings.get('use_stealth')) # Hide and reset the downloads if we have previously shared self.downloads_container.hide() self.downloads.reset_downloads() self.status_bar.clearMessage() # Reset web counters web.download_count = 0 web.error404_count = 0 web.set_gui_mode() # 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.settings.get('close_after_first_download') # start onionshare http service in new thread t = threading.Thread(target=web.start, args=(self.app.port, self.app.stay_open, self.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) 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. """ common.log('OnionShareGui', 'start_server_step2') # 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.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: 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() except OSError as e: self.starting_server_error.emit(e.strerror) return #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. """ 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 web.zip_filesize >= 157286400: # 150mb self.filesize_warning.setText(strings._("large_filesize", True)) self.filesize_warning.show() if self.server_status.timer_enabled: # 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 = common.close_after_seconds(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')) if self.settings.get('save_private_key'): self.persistent_url_label.show() def start_server_error(self, error): """ If there's an error when trying to start the onion service """ common.log('OnionShareGui', 'start_server_error') self.set_server_active(False) Alert(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 stop_server(self): """ Stop the onionshare server. """ common.log('OnionShareGui', 'stop_server') if self.server_status.status != self.server_status.STATUS_STOPPED: try: 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.persistent_url_label.hide() self.stop_server_finished.emit() self.set_server_active(False) def check_for_updates(self): """ Check for updates in a new thread, if enabled. """ system = common.get_platform() if system == 'Windows' or system == 'Darwin': if self.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)) self.update_thread = UpdateThread(self.onion, self.config) self.update_thread.update_available.connect(update_available) self.update_thread.start() @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 def check_for_requests(self): """ Check for messages communicated from the web app, and update the GUI accordingly. """ self.update() # Have we lost connection to Tor somehow? if not self.onion.is_authenticated(): self.timer.stop() if self.server_status.status != self.server_status.STATUS_STOPPED: self.server_status.stop_server() self.server_status.server_button.setEnabled(False) self.status_bar.showMessage(strings._('gui_tor_connection_lost', True)) if self.systemTray.supportsMessages() and self.settings.get('systray_notifications'): self.systemTray.showMessage(strings._('gui_tor_connection_lost', True), strings._('gui_tor_connection_error_settings', True)) # 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 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 if self.systemTray.supportsMessages() and self.settings.get('systray_notifications'): self.systemTray.showMessage(strings._('systray_download_started_title', True), strings._('systray_download_started_message', 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: if self.systemTray.supportsMessages() and self.settings.get('systray_notifications'): self.systemTray.showMessage(strings._('systray_download_completed_title', True), strings._('systray_download_completed_message', True)) # close on finish? if not web.get_stay_open(): self.server_status.stop_server() self.status_bar.showMessage(strings._('closing_automatically', True)) else: if self.server_status.status == self.server_status.STATUS_STOPPED: self.downloads.cancel_download(event["data"]["id"]) elif event["type"] == web.REQUEST_CANCELED: self.downloads.cancel_download(event["data"]["id"]) if self.systemTray.supportsMessages() and self.settings.get('systray_notifications'): self.systemTray.showMessage(strings._('systray_download_canceled_title', True), strings._('systray_download_canceled_message', True)) 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"])) # If the auto-shutdown timer has stopped, stop the server if self.server_status.status == self.server_status.STATUS_STARTED: if self.app.shutdown_timer and self.server_status.timer_enabled: if self.timeout > 0: if not self.app.shutdown_timer.is_alive(): # If there were no attempts to download the share, or all downloads are done, we can stop if web.download_count == 0 or web.done: self.server_status.stop_server() self.status_bar.showMessage(strings._('close_on_timeout', True)) # A download is probably still running - hold off on stopping the share else: self.status_bar.showMessage(strings._('timeout_download_still_running', True)) def copy_url(self): """ When the URL gets copied to the clipboard, display this in the status bar. """ common.log('OnionShareGui', 'copy_url') 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. """ common.log('OnionShareGui', 'copy_hidservauth') 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 set_server_active(self, active): """ Disable the Settings button while an OnionShare server is active. """ self.settings_button.setEnabled(not active) if active: self.settings_button.setIcon( QtGui.QIcon(common.get_resource_path('images/settings_inactive.png')) ) else: self.settings_button.setIcon( QtGui.QIcon(common.get_resource_path('images/settings.png')) ) # Disable settings menu action when server is active self.settingsAction.setEnabled(not active) def closeEvent(self, e): common.log('OnionShareGui', 'closeEvent') try: 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() except: e.accept() class ZipProgressBar(QtWidgets.QProgressBar): update_processed_size_signal = QtCore.pyqtSignal(int) def __init__(self, total_files_size): super(ZipProgressBar, self).__init__() self.setMaximumHeight(20) self.setMinimumWidth(200) self.setValue(0) self.setFormat(strings._('zip_progress_bar_format')) cssStyleData =""" QProgressBar { background-color: rgba(255, 255, 255, 0.0) !important; border: 0px; text-align: center; } QProgressBar::chunk { border: 0px; background: qlineargradient(x1: 0.5, y1: 0, x2: 0.5, y2: 1, stop: 0 #b366ff, stop: 1 #d9b3ff); width: 10px; }""" self.setStyleSheet(cssStyleData) 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)