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#!/usr/bin/python3 -bbI
 
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# -*- mode: python; coding: utf-8 -*-
 
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# Mandos Monitor - Control and monitor the Mandos server
 
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# Copyright © 2009-2014 Teddy Hogeborn
 
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# Copyright © 2009-2014 Björn Påhlsson
 
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# This program is free software: you can redistribute it and/or modify
 
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# it under the terms of the GNU General Public License as published by
 
 
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# Copyright © 2009-2019 Teddy Hogeborn
 
 
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# Copyright © 2009-2019 Björn Påhlsson
 
 
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# This file is part of Mandos.
 
 
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# Mandos is free software: you can redistribute it and/or modify it
 
 
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# under the terms of the GNU General Public License as published by
 
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# the Free Software Foundation, either version 3 of the License, or
 
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# (at your option) any later version.
 
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#     This program is distributed in the hope that it will be useful,
 
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#     but WITHOUT ANY WARRANTY; without even the implied warranty of
 
 
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#     Mandos is distributed in the hope that it will be useful, but
 
 
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#     WITHOUT ANY WARRANTY; without even the implied warranty of
 
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#     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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#     GNU General Public License for more details.
 
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# You should have received a copy of the GNU General Public License
 
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# along with this program.  If not, see
 
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# <http://www.gnu.org/licenses/>.
 
 
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# along with Mandos.  If not, see <http://www.gnu.org/licenses/>.
 
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# Contact the authors at <mandos@recompile.se>.
 
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from __future__ import (division, absolute_import, print_function,
 
 
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import urwid.curses_display
 
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from dbus.mainloop.glib import DBusGMainLoop
 
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    from gi.repository import GObject as gobject
 
 
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from gi.repository import GLib
 
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if sys.version_info[0] == 2:
 
 
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if sys.version_info.major == 2:
 
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locale.setlocale(locale.LC_ALL, '')
 
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logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
 
 
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log = logging.getLogger(os.path.basename(sys.argv[0]))
 
 
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logging.basicConfig(level="NOTSET", # Show all messages
 
 
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                    format="%(message)s") # Show basic log messages
 
 
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logging.captureWarnings(True)   # Show warnings via the logging system
 
 
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locale.setlocale(locale.LC_ALL, "")
 
 
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logging.getLogger("dbus.proxies").setLevel(logging.CRITICAL)
 
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# Some useful constants
 
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domain = 'se.recompile'
 
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server_interface = domain + '.Mandos'
 
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client_interface = domain + '.Mandos.Client'
 
 
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domain = "se.recompile"
 
 
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server_interface = domain + ".Mandos"
 
 
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client_interface = domain + ".Mandos.Client"
 
 
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    dbus.OBJECT_MANAGER_IFACE
 
 
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except AttributeError:
 
 
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    dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
 
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def isoformat_to_datetime(iso):
 
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    "Parse an ISO 8601 date string to a datetime.datetime()"
 
 
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    def __init__(self, proxy_object=None, properties=None, **kwargs):
 
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        self.proxy = proxy_object # Mandos Client proxy object
 
 
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        self.proxy = proxy_object  # Mandos Client proxy object
 
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        self.properties = dict() if properties is None else properties
 
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        self.property_changed_match = (
 
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            self.proxy.connect_to_signal("PropertyChanged",
 
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                                         self._property_changed,
 
 
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            self.proxy.connect_to_signal("PropertiesChanged",
 
 
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                                         self.properties_changed,
 
 
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                                         dbus.PROPERTIES_IFACE,
 
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                                         byte_arrays=True))
 
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        if properties is None:
 
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            self.properties.update(
 
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                self.proxy.GetAll(client_interface,
 
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                                  = dbus.PROPERTIES_IFACE))
 
 
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            self.properties.update(self.proxy.GetAll(
 
 
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                dbus_interface=dbus.PROPERTIES_IFACE))
 
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        super(MandosClientPropertyCache, self).__init__(**kwargs)
 
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    def _property_changed(self, property, value):
 
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        """Helper which takes positional arguments"""
 
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        return self.property_changed(property=property, value=value)
 
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    def property_changed(self, property=None, value=None):
 
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        """This is called whenever we get a PropertyChanged signal
 
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        It updates the changed property in the "properties" dict.
 
 
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    def properties_changed(self, interface, properties, invalidated):
 
 
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        """This is called whenever we get a PropertiesChanged signal
 
 
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        It updates the changed properties in the "properties" dict.
 
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        # Update properties dict with new value
 
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        self.properties[property] = value
 
 
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        if interface == client_interface:
 
 
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            self.properties.update(properties)
 
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    def delete(self):
 
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        self.property_changed_match.remove()
 
 
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                                         client_interface,
 
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                                         byte_arrays=True))
 
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        self.logger('Created client {0}'
 
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                    .format(self.properties["Name"]), level=0)
 
 
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        log.debug("Created client %s", self.properties["Name"])
 
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    def using_timer(self, flag):
 
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        """Call this method with True or False when timer should be
 
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        activated or deactivated.
 
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        if flag and self._update_timer_callback_tag is None:
 
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            # Will update the shown timer value every second
 
173
 
            self._update_timer_callback_tag = (gobject.timeout_add
 
 
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            self._update_timer_callback_tag = (
 
 
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                GLib.timeout_add(1000,
 
 
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                                 glib_safely(self.update_timer)))
 
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        elif not (flag or self._update_timer_callback_tag is None):
 
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            gobject.source_remove(self._update_timer_callback_tag)
 
 
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            GLib.source_remove(self._update_timer_callback_tag)
 
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            self._update_timer_callback_tag = None
 
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    def checker_completed(self, exitstatus, condition, command):
 
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        if exitstatus == 0:
 
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            self.logger('Checker for client {0} (command "{1}")'
 
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                        ' succeeded'.format(self.properties["Name"],
 
 
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            log.debug('Checker for client %s (command "%s")'
 
 
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                      " succeeded", self.properties["Name"], command)
 
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        if os.WIFEXITED(condition):
 
189
 
            self.logger('Checker for client {0} (command "{1}")'
 
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                        ' failed with exit code {2}'
 
191
 
                        .format(self.properties["Name"], command,
 
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                                os.WEXITSTATUS(condition)))
 
 
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            log.info('Checker for client %s (command "%s") failed'
 
 
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                     " with exit code %d", self.properties["Name"],
 
 
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                     command, os.WEXITSTATUS(condition))
 
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        elif os.WIFSIGNALED(condition):
 
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            self.logger('Checker for client {0} (command "{1}") was'
 
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                        ' killed by signal {2}'
 
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                        .format(self.properties["Name"], command,
 
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                                os.WTERMSIG(condition)))
 
198
 
        elif os.WCOREDUMP(condition):
 
199
 
            self.logger('Checker for client {0} (command "{1}")'
 
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                        .format(self.properties["Name"], command))
 
203
 
            self.logger('Checker for client {0} completed'
 
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                        .format(self.properties["Name"]))
 
 
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            log.info('Checker for client %s (command "%s") was'
 
 
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                     " killed by signal %d", self.properties["Name"],
 
 
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                     command, os.WTERMSIG(condition))
 
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    def checker_started(self, command):
 
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        """Server signals that a checker started."""
 
210
 
        self.logger('Client {0} started checker "{1}"'
 
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                    .format(self.properties["Name"],
 
 
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        log.debug('Client %s started checker "%s"',
 
 
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                  self.properties["Name"], command)
 
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    def got_secret(self):
 
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        self.logger('Client {0} received its secret'
 
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                    .format(self.properties["Name"]))
 
 
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        log.info("Client %s received its secret",
 
 
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                 self.properties["Name"])
 
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    def need_approval(self, timeout, default):
 
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            message = 'Client {0} needs approval within {1} seconds'
 
 
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            message = "Client %s needs approval within %f seconds"
 
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            message = 'Client {0} will get its secret in {1} seconds'
 
223
 
        self.logger(message.format(self.properties["Name"],
 
 
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            message = "Client %s will get its secret in %f seconds"
 
 
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        log.info(message, self.properties["Name"], timeout/1000)
 
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    def rejected(self, reason):
 
227
 
        self.logger('Client {0} was rejected; reason: {1}'
 
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                    .format(self.properties["Name"], reason))
 
 
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        log.info("Client %s was rejected; reason: %s",
 
 
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                 self.properties["Name"], reason)
 
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    def selectable(self):
 
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        """Make this a "selectable" widget.
 
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        This overrides the method from urwid.FlowWidget."""
 
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    def rows(self, maxcolrow, focus=False):
 
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        """How many rows this widget will occupy might depend on
 
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        whether we have focus or not.
 
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        This overrides the method from urwid.FlowWidget"""
 
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        return self.current_widget(focus).rows(maxcolrow, focus=focus)
 
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    def current_widget(self, focus=False):
 
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        if focus or self.opened:
 
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            return self._focus_widget
 
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        return self._widget
 
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    def update(self):
 
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        "Called when what is visible on the screen should be updated."
 
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        # How to add standout mode to a style
 
249
 
        with_standout = { "normal": "standout",
 
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                          "bold": "bold-standout",
 
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                              "underline-blink-standout",
 
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                          "bold-underline-blink":
 
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                              "bold-underline-blink-standout",
 
 
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        with_standout = {"normal": "standout",
 
 
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                         "bold": "bold-standout",
 
 
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                         "underline-blink-standout",
 
 
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                         "bold-underline-blink":
 
 
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                         "bold-underline-blink-standout",
 
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        # Rebuild focus and non-focus widgets using current properties
 
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        # Base part of a client. Name!
 
260
 
        base = '{name}: '.format(name=self.properties["Name"])
 
 
250
        base = "{name}: ".format(name=self.properties["Name"])
 
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        if not self.properties["Enabled"]:
 
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            message = "DISABLED"
 
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            self.using_timer(False)
 
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        elif self.properties["ApprovalPending"]:
 
265
 
            timeout = datetime.timedelta(milliseconds
 
 
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            timeout = datetime.timedelta(
 
 
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                milliseconds=self.properties["ApprovalDelay"])
 
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            last_approval_request = isoformat_to_datetime(
 
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                self.properties["LastApprovalRequest"])
 
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            if last_approval_request is not None:
 
 
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        if self.delete_hook is not None:
 
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            self.delete_hook(self)
 
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        return super(MandosClientWidget, self).delete(**kwargs)
 
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    def render(self, maxcolrow, focus=False):
 
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        """Render differently if we have focus.
 
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        This overrides the method from urwid.FlowWidget"""
 
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        return self.current_widget(focus).render(maxcolrow,
 
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    def keypress(self, maxcolrow, key):
 
342
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        This overrides the method from urwid.FlowWidget"""
 
344
 
            self.proxy.Enable(dbus_interface = client_interface,
 
 
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            self.proxy.Set(client_interface, "Enabled",
 
 
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                           dbus.Boolean(True), ignore_reply=True,
 
 
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                           dbus_interface=dbus.PROPERTIES_IFACE)
 
347
 
            self.proxy.Disable(dbus_interface = client_interface,
 
 
338
            self.proxy.Set(client_interface, "Enabled", False,
 
 
340
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
350
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            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
 
351
 
                               dbus_interface = client_interface,
 
 
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                               dbus_interface=client_interface,
 
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                               ignore_reply=True)
 
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            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
 
355
 
                                  dbus_interface = client_interface,
 
 
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                               dbus_interface=client_interface,
 
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                               ignore_reply=True)
 
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        elif key == "R" or key == "_" or key == "ctrl k":
 
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            self.server_proxy_object.RemoveClient(self.proxy
 
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                                                  ignore_reply=True)
 
362
 
            self.proxy.StartChecker(dbus_interface = client_interface,
 
 
354
            self.proxy.Set(client_interface, "CheckerRunning",
 
 
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                           dbus.Boolean(True), ignore_reply=True,
 
 
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                           dbus_interface=dbus.PROPERTIES_IFACE)
 
365
 
            self.proxy.StopChecker(dbus_interface = client_interface,
 
 
358
            self.proxy.Set(client_interface, "CheckerRunning",
 
 
359
                           dbus.Boolean(False), ignore_reply=True,
 
 
360
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
368
 
            self.proxy.CheckedOK(dbus_interface = client_interface,
 
 
362
            self.proxy.CheckedOK(dbus_interface=client_interface,
 
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                                 ignore_reply=True)
 
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#         elif key == "p" or key == "=":
 
 
380
 
    def property_changed(self, property=None, **kwargs):
 
381
 
        """Call self.update() if old value is not new value.
 
 
374
    def properties_changed(self, interface, properties, invalidated):
 
 
375
        """Call self.update() if any properties changed.
 
382
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        This overrides the method from MandosClientPropertyCache"""
 
383
 
        property_name = str(property)
 
384
 
        old_value = self.properties.get(property_name)
 
385
 
        super(MandosClientWidget, self).property_changed(
 
386
 
            property=property, **kwargs)
 
387
 
        if self.properties.get(property_name) != old_value:
 
 
377
        old_values = {key: self.properties.get(key)
 
 
378
                      for key in properties.keys()}
 
 
379
        super(MandosClientWidget, self).properties_changed(
 
 
380
            interface, properties, invalidated)
 
 
381
        if any(old_values[key] != self.properties.get(key)
 
 
382
               for key in old_values):
 
 
386
def glib_safely(func, retval=True):
 
 
387
    def safe_func(*args, **kwargs):
 
 
389
            return func(*args, **kwargs)
 
391
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class ConstrainedListBox(urwid.ListBox):
 
392
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    """Like a normal urwid.ListBox, but will consume all "up" or
 
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    "down" key presses, thus not allowing any containing widgets to
 
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    use them as an excuse to shift focus away from this widget.
 
396
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    def keypress(self, *args, **kwargs):
 
397
 
        ret = super(ConstrainedListBox, self).keypress(*args, **kwargs)
 
 
402
        ret = (super(ConstrainedListBox, self)
 
 
403
               .keypress(*args, **kwargs))
 
398
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        if ret in ("up", "down"):
 
 
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                 "bold,underline,blink,standout", "default",
 
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                 "bold,underline,blink,standout"),
 
433
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        if urwid.supports_unicode():
 
434
 
            self.divider = "─" # \u2500
 
435
 
            #self.divider = "━" # \u2501
 
 
441
            self.divider = "─"  # \u2500
 
437
 
            #self.divider = "-" # \u002d
 
438
 
            self.divider = "_" # \u005f
 
 
443
            self.divider = "_"  # \u005f
 
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        self.screen.start()
 
442
447
        self.size = self.screen.get_cols_rows()
 
444
449
        self.clients = urwid.SimpleListWalker([])
 
445
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        self.clients_dict = {}
 
447
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        # We will add Text widgets to this list
 
 
453
        self.log = urwid.SimpleListWalker([])
 
449
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        self.max_log_length = max_log_length
 
451
 
        self.log_level = log_level
 
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        # We keep a reference to the log widget so we can remove it
 
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        # from the ListWalker without it getting destroyed
 
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        self.logbox = ConstrainedListBox(self.log)
 
457
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        # This keeps track of whether self.uilist currently has
 
458
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        # self.logbox in it or not
 
459
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        self.log_visible = True
 
460
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        self.log_wrap = "any"
 
 
465
        self.loghandler = UILogHandler(self)
 
463
 
        self.log_message_raw(("bold",
 
464
 
                              "Mandos Monitor version " + version))
 
465
 
        self.log_message_raw(("bold",
 
468
 
        self.busname = domain + '.Mandos'
 
469
 
        self.main_loop = gobject.MainLoop()
 
471
 
    def client_not_found(self, fingerprint, address):
 
472
 
        self.log_message("Client with address {0} and fingerprint"
 
473
 
                         " {1} could not be found"
 
474
 
                         .format(address, fingerprint))
 
 
468
        self.add_log_line(("bold",
 
 
469
                           "Mandos Monitor version " + version))
 
 
470
        self.add_log_line(("bold", "q: Quit  ?: Help"))
 
 
472
        self.busname = domain + ".Mandos"
 
 
473
        self.main_loop = GLib.MainLoop()
 
 
475
    def client_not_found(self, key_id, address):
 
 
476
        log.info("Client with address %s and key ID %s could"
 
 
477
                 " not be found", address, key_id)
 
476
479
    def rebuild(self):
 
477
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        """This rebuilds the User Interface.
 
478
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        Call this when the widget layout needs to change"""
 
480
 
        #self.uilist.append(urwid.ListBox(self.clients))
 
 
483
        # self.uilist.append(urwid.ListBox(self.clients))
 
481
484
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
 
483
 
                                       #header=urwid.Divider(),
 
 
486
                                       # header=urwid.Divider(),
 
486
 
                                       urwid.Divider(div_char=
 
 
488
                                       footer=urwid.Divider(
 
 
489
                                           div_char=self.divider)))
 
488
490
        if self.log_visible:
 
489
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            self.uilist.append(self.logbox)
 
490
492
        self.topwidget = urwid.Pile(self.uilist)
 
492
 
    def log_message(self, message, level=1):
 
493
 
        """Log message formatted with timestamp"""
 
494
 
        if level < self.log_level:
 
496
 
        timestamp = datetime.datetime.now().isoformat()
 
497
 
        self.log_message_raw("{0}: {1}".format(timestamp, message),
 
500
 
    def log_message_raw(self, markup, level=1):
 
501
 
        """Add a log message to the log buffer."""
 
502
 
        if level < self.log_level:
 
 
494
    def add_log_line(self, markup):
 
504
495
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
 
505
 
        if (self.max_log_length
 
506
 
            and len(self.log) > self.max_log_length):
 
507
 
            del self.log[0:len(self.log)-self.max_log_length-1]
 
508
 
        self.logbox.set_focus(len(self.logbox.body.contents),
 
 
496
        if self.max_log_length:
 
 
497
            if len(self.log) > self.max_log_length:
 
 
498
                del self.log[0:(len(self.log) - self.max_log_length)]
 
 
499
        self.logbox.set_focus(len(self.logbox.body.contents)-1,
 
509
500
                              coming_from="above")
 
512
503
    def toggle_log_display(self):
 
513
504
        """Toggle visibility of the log buffer."""
 
514
505
        self.log_visible = not self.log_visible
 
516
 
        self.log_message("Log visibility changed to: {0}"
 
517
 
                         .format(self.log_visible), level=0)
 
 
507
        log.debug("Log visibility changed to: %s", self.log_visible)
 
519
509
    def change_log_display(self):
 
520
510
        """Change type of log display.
 
521
511
        Currently, this toggles wrapping of text lines."""
 
 
525
515
            self.log_wrap = "clip"
 
526
516
        for textwidget in self.log:
 
527
517
            textwidget.set_wrap_mode(self.log_wrap)
 
528
 
        self.log_message("Wrap mode: {0}".format(self.log_wrap),
 
531
 
    def find_and_remove_client(self, path, name):
 
 
518
        log.debug("Wrap mode: %s", self.log_wrap)
 
 
520
    def find_and_remove_client(self, path, interfaces):
 
532
521
        """Find a client by its object path and remove it.
 
534
 
        This is connected to the ClientRemoved signal from the
 
 
523
        This is connected to the InterfacesRemoved signal from the
 
535
524
        Mandos server object."""
 
 
525
        if client_interface not in interfaces:
 
 
526
            # Not a Mandos client object; ignore
 
537
529
            client = self.clients_dict[path]
 
540
 
            self.log_message("Unknown client {0!r} ({1!r}) removed"
 
 
532
            log.warning("Unknown client %s removed", path)
 
545
 
    def add_new_client(self, path):
 
 
536
    def add_new_client(self, path, ifs_and_props):
 
 
537
        """Find a client by its object path and remove it.
 
 
539
        This is connected to the InterfacesAdded signal from the
 
 
540
        Mandos server object.
 
 
542
        if client_interface not in ifs_and_props:
 
 
543
            # Not a Mandos client object; ignore
 
546
545
        client_proxy_object = self.bus.get_object(self.busname, path)
 
547
 
        self.add_client(MandosClientWidget(server_proxy_object
 
550
 
                                           =client_proxy_object,
 
 
546
        self.add_client(MandosClientWidget(
 
 
547
            server_proxy_object=self.mandos_serv,
 
 
548
            proxy_object=client_proxy_object,
 
 
549
            update_hook=self.refresh,
 
 
550
            delete_hook=self.remove_client,
 
 
551
            properties=dict(ifs_and_props[client_interface])),
 
559
554
    def add_client(self, client, path=None):
 
560
555
        self.clients.append(client)
 
 
563
558
        self.clients_dict[path] = client
 
564
559
        self.clients.sort(key=lambda c: c.properties["Name"])
 
567
562
    def remove_client(self, client, path=None):
 
568
563
        self.clients.remove(client)
 
570
565
            path = client.proxy.object_path
 
571
566
        del self.clients_dict[path]
 
574
569
    def refresh(self):
 
575
570
        """Redraw the screen"""
 
576
571
        canvas = self.topwidget.render(self.size, focus=True)
 
577
572
        self.screen.draw_screen(self.size, canvas)
 
580
575
        """Start the main loop and exit when it's done."""
 
 
576
        log.addHandler(self.loghandler)
 
 
577
        self.orig_log_propagate = log.propagate
 
 
578
        log.propagate = False
 
 
579
        self.orig_log_level = log.level
 
581
581
        self.bus = dbus.SystemBus()
 
582
582
        mandos_dbus_objc = self.bus.get_object(
 
583
583
            self.busname, "/", follow_name_owner_changes=True)
 
584
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
 
584
        self.mandos_serv = dbus.Interface(
 
 
585
            mandos_dbus_objc, dbus_interface=server_interface)
 
588
587
            mandos_clients = (self.mandos_serv
 
589
588
                              .GetAllClientsWithProperties())
 
590
589
            if not mandos_clients:
 
591
 
                self.log_message_raw(("bold", "Note: Server has no clients."))
 
 
590
                log.warning("Note: Server has no clients.")
 
592
591
        except dbus.exceptions.DBusException:
 
593
 
            self.log_message_raw(("bold", "Note: No Mandos server running."))
 
 
592
            log.warning("Note: No Mandos server running.")
 
594
593
            mandos_clients = dbus.Dictionary()
 
596
595
        (self.mandos_serv
 
597
 
         .connect_to_signal("ClientRemoved",
 
 
596
         .connect_to_signal("InterfacesRemoved",
 
598
597
                            self.find_and_remove_client,
 
599
 
                            dbus_interface=server_interface,
 
 
598
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
 
600
599
                            byte_arrays=True))
 
601
600
        (self.mandos_serv
 
602
 
         .connect_to_signal("ClientAdded",
 
 
601
         .connect_to_signal("InterfacesAdded",
 
603
602
                            self.add_new_client,
 
604
 
                            dbus_interface=server_interface,
 
 
603
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
 
605
604
                            byte_arrays=True))
 
606
605
        (self.mandos_serv
 
607
606
         .connect_to_signal("ClientNotFound",
 
 
611
610
        for path, client in mandos_clients.items():
 
612
611
            client_proxy_object = self.bus.get_object(self.busname,
 
614
 
            self.add_client(MandosClientWidget(server_proxy_object
 
617
 
                                               =client_proxy_object,
 
 
613
            self.add_client(MandosClientWidget(
 
 
614
                server_proxy_object=self.mandos_serv,
 
 
615
                proxy_object=client_proxy_object,
 
 
617
                update_hook=self.refresh,
 
 
618
                delete_hook=self.remove_client),
 
628
 
        self._input_callback_tag = (gobject.io_add_watch
 
 
622
        self._input_callback_tag = (
 
 
624
                GLib.IOChannel.unix_new(sys.stdin.fileno()),
 
 
625
                GLib.PRIORITY_DEFAULT, GLib.IO_IN,
 
 
626
                glib_safely(self.process_input)))
 
632
627
        self.main_loop.run()
 
633
628
        # Main loop has finished, we should close everything now
 
634
 
        gobject.source_remove(self._input_callback_tag)
 
 
629
        GLib.source_remove(self._input_callback_tag)
 
 
630
        with warnings.catch_warnings():
 
 
631
            warnings.simplefilter("ignore", BytesWarning)
 
638
635
        self.main_loop.quit()
 
 
636
        log.removeHandler(self.loghandler)
 
 
637
        log.propagate = self.orig_log_propagate
 
640
639
    def process_input(self, source, condition):
 
641
640
        keys = self.screen.get_input()
 
642
 
        translations = { "ctrl n": "down",      # Emacs
 
643
 
                         "ctrl p": "up",        # Emacs
 
644
 
                         "ctrl v": "page down", # Emacs
 
645
 
                         "meta v": "page up",   # Emacs
 
646
 
                         " ": "page down",      # less
 
647
 
                         "f": "page down",      # less
 
648
 
                         "b": "page up",        # less
 
 
641
        translations = {"ctrl n": "down",       # Emacs
 
 
642
                        "ctrl p": "up",         # Emacs
 
 
643
                        "ctrl v": "page down",  # Emacs
 
 
644
                        "meta v": "page up",    # Emacs
 
 
645
                        " ": "page down",       # less
 
 
646
                        "f": "page down",       # less
 
 
647
                        "b": "page up",         # less
 
654
653
                key = translations[key]
 
655
654
            except KeyError:    # :-)
 
658
657
            if key == "q" or key == "Q":
 
661
660
            elif key == "window resize":
 
662
661
                self.size = self.screen.get_cols_rows()
 
664
 
            elif key == "\f":  # Ctrl-L
 
 
663
            elif key == "ctrl l":
 
666
666
            elif key == "l" or key == "D":
 
667
667
                self.toggle_log_display()
 
 
701
700
                    self.topwidget.set_focus(self.logbox)
 
704
 
                if self.log_level == 0:
 
706
 
                    self.log_message("Verbose mode: Off")
 
 
703
                if log.level < logging.INFO:
 
 
704
                    log.setLevel(logging.INFO)
 
 
705
                    log.info("Verbose mode: Off")
 
709
 
                    self.log_message("Verbose mode: On")
 
710
 
            #elif (key == "end" or key == "meta >" or key == "G"
 
712
 
            #    pass            # xxx end-of-buffer
 
713
 
            #elif (key == "home" or key == "meta <" or key == "g"
 
715
 
            #    pass            # xxx beginning-of-buffer
 
716
 
            #elif key == "ctrl e" or key == "$":
 
717
 
            #    pass            # xxx move-end-of-line
 
718
 
            #elif key == "ctrl a" or key == "^":
 
719
 
            #    pass            # xxx move-beginning-of-line
 
720
 
            #elif key == "ctrl b" or key == "meta (" or key == "h":
 
722
 
            #elif key == "ctrl f" or key == "meta )" or key == "l":
 
725
 
            #    pass            # scroll up log
 
727
 
            #    pass            # scroll down log
 
 
707
                    log.setLevel(logging.NOTSET)
 
 
708
                    log.info("Verbose mode: On")
 
 
709
            # elif (key == "end" or key == "meta >" or key == "G"
 
 
711
            #     pass            # xxx end-of-buffer
 
 
712
            # elif (key == "home" or key == "meta <" or key == "g"
 
 
714
            #     pass            # xxx beginning-of-buffer
 
 
715
            # elif key == "ctrl e" or key == "$":
 
 
716
            #     pass            # xxx move-end-of-line
 
 
717
            # elif key == "ctrl a" or key == "^":
 
 
718
            #     pass            # xxx move-beginning-of-line
 
 
719
            # elif key == "ctrl b" or key == "meta (" or key == "h":
 
 
721
            # elif key == "ctrl f" or key == "meta )" or key == "l":
 
 
724
            #     pass            # scroll up log
 
 
726
            #     pass            # scroll down log
 
728
727
            elif self.topwidget.selectable():
 
729
728
                self.topwidget.keypress(self.size, key)
 
 
733
class UILogHandler(logging.Handler):
 
 
734
    def __init__(self, ui, *args, **kwargs):
 
 
736
        super(UILogHandler, self).__init__(*args, **kwargs)
 
 
738
            logging.Formatter("%(asctime)s: %(message)s"))
 
 
739
    def emit(self, record):
 
 
740
        msg = self.format(record)
 
 
741
        if record.levelno > logging.INFO:
 
 
743
        self.ui.add_log_line(msg)
 
733
746
ui = UserInterface()
 
736
749
except KeyboardInterrupt:
 
738
 
except Exception as e:
 
739
 
    ui.log_message(str(e))
 
 
750
    with warnings.catch_warnings():
 
 
751
        warnings.filterwarnings("ignore", "", BytesWarning)
 
 
754
    with warnings.catch_warnings():
 
 
755
        warnings.filterwarnings("ignore", "", BytesWarning)