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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 © 2009-2019 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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# Copyright © 2009-2015 Teddy Hogeborn
 
 
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# Copyright © 2009-2015 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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# 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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#     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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#     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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#     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 Mandos.  If not, see <http://www.gnu.org/licenses/>.
 
 
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# along with this program.  If not, see
 
 
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# <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 GLib
 
 
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    from gi.repository import GObject as gobject
 
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if sys.version_info.major == 2:
 
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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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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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    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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domain = 'se.recompile'
 
 
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server_interface = domain + '.Mandos'
 
 
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client_interface = domain + '.Mandos.Client'
 
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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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                             int(second),            # Whole seconds
 
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                             int(fraction*1000000))  # Microseconds
 
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class MandosClientPropertyCache:
 
 
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                             int(second),           # Whole seconds
 
 
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                             int(fraction*1000000)) # Microseconds
 
 
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class MandosClientPropertyCache(object):
 
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    """This wraps a Mandos Client D-Bus proxy object, caches the
 
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    properties and calls a hook function when any of them are
 
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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("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(self.proxy.GetAll(
 
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                dbus_interface=dbus.PROPERTIES_IFACE))
 
 
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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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        super(MandosClientPropertyCache, self).__init__(**kwargs)
 
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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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        if interface == client_interface:
 
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            self.properties.update(properties)
 
 
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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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        log.debug("Created client %s", self.properties["Name"])
 
 
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        self.logger('Created client {}'
 
 
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                    .format(self.properties["Name"]), level=0)
 
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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
 
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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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            self._update_timer_callback_tag = (gobject.timeout_add
 
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        elif not (flag or self._update_timer_callback_tag is None):
 
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            GLib.source_remove(self._update_timer_callback_tag)
 
 
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            gobject.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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    def checker_completed(self, exitstatus, signal, command):
 
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        if exitstatus == 0:
 
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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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            self.logger('Checker for client {} (command "{}")'
 
 
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                        ' succeeded'.format(self.properties["Name"],
 
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        if os.WIFEXITED(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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            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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            self.logger('Checker for client {} (command "{}") failed'
 
 
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                        .format(self.properties["Name"], command,
 
 
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            self.logger('Checker for client {} (command "{}") was'
 
 
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                        ' killed by signal {}'
 
 
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                        .format(self.properties["Name"], command,
 
 
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            self.logger('Checker for client {} completed'
 
 
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                        .format(self.properties["Name"]))
 
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    def checker_started(self, command):
 
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        """Server signals that a checker started."""
 
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        log.debug('Client %s started checker "%s"',
 
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                  self.properties["Name"], command)
 
 
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        self.logger('Client {} started checker "{}"'
 
 
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                    .format(self.properties["Name"],
 
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    def got_secret(self):
 
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        log.info("Client %s received its secret",
 
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                 self.properties["Name"])
 
 
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        self.logger('Client {} received its secret'
 
 
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                    .format(self.properties["Name"]))
 
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    def need_approval(self, timeout, default):
 
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            message = "Client %s needs approval within %f seconds"
 
 
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            message = 'Client {} needs approval within {} seconds'
 
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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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            message = 'Client {} will get its secret in {} seconds'
 
 
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        self.logger(message.format(self.properties["Name"],
 
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    def rejected(self, 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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        self.logger('Client {} was rejected; reason: {}'
 
 
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                    .format(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
 
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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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        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!
 
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        base = "{name}: ".format(name=self.properties["Name"])
 
 
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        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"]:
 
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            timeout = datetime.timedelta(
 
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                milliseconds=self.properties["ApprovalDelay"])
 
 
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            timeout = datetime.timedelta(milliseconds
 
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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):
 
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        This overrides the method from urwid.FlowWidget"""
 
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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)
 
 
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            self.proxy.Enable(dbus_interface = client_interface,
 
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            self.proxy.Set(client_interface, "Enabled", False,
 
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                           dbus_interface=dbus.PROPERTIES_IFACE)
 
 
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            self.proxy.Disable(dbus_interface = client_interface,
 
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            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
 
344
 
                               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),
 
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                               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)
 
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            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)
 
 
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            self.proxy.StartChecker(dbus_interface = client_interface,
 
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            self.proxy.Set(client_interface, "CheckerRunning",
 
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                           dbus.Boolean(False), ignore_reply=True,
 
361
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
 
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            self.proxy.StopChecker(dbus_interface = client_interface,
 
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            self.proxy.CheckedOK(dbus_interface=client_interface,
 
 
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            self.proxy.CheckedOK(dbus_interface = client_interface,
 
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                                 ignore_reply=True)
 
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#         elif key == "p" or key == "=":
 
 
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def glib_safely(func, retval=True):
 
388
 
    def safe_func(*args, **kwargs):
 
390
 
            return func(*args, **kwargs)
 
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class ConstrainedListBox(urwid.ListBox):
 
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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.
 
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    def keypress(self, *args, **kwargs):
 
403
 
        ret = (super(ConstrainedListBox, self)
 
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               .keypress(*args, **kwargs))
 
 
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        ret = super(ConstrainedListBox, self).keypress(*args, **kwargs)
 
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        if ret in ("up", "down"):
 
 
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class UserInterface(object):
 
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    """This is the entire user interface - the whole screen
 
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    with boxes, lists of client widgets, etc.
 
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    def __init__(self, max_log_length=1000):
 
 
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    def __init__(self, max_log_length=1000, log_level=1):
 
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        DBusGMainLoop(set_as_default=True)
 
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        self.screen = urwid.curses_display.Screen()
 
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        self.screen.register_palette((
 
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                 "default", "default", None),
 
 
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                 "bold,underline,blink,standout", "default",
 
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                 "bold,underline,blink,standout"),
 
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        if urwid.supports_unicode():
 
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            self.divider = "─"  # \u2500
 
 
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            self.divider = "─" # \u2500
 
 
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            #self.divider = "━" # \u2501
 
444
 
            self.divider = "_"  # \u005f
 
 
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            #self.divider = "-" # \u002d
 
 
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            self.divider = "_" # \u005f
 
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        self.screen.start()
 
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        self.size = self.screen.get_cols_rows()
 
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        self.clients = urwid.SimpleListWalker([])
 
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        self.clients_dict = {}
 
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        # We will add Text widgets to this list
 
454
 
        self.log = urwid.SimpleListWalker([])
 
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        self.max_log_length = max_log_length
 
 
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        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)
 
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        # This keeps track of whether self.uilist currently has
 
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        # self.logbox in it or not
 
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        self.log_visible = True
 
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        self.log_wrap = "any"
 
466
 
        self.loghandler = UILogHandler(self)
 
469
 
        self.add_log_line(("bold",
 
470
 
                           "Mandos Monitor version " + version))
 
471
 
        self.add_log_line(("bold", "q: Quit  ?: Help"))
 
473
 
        self.busname = domain + ".Mandos"
 
474
 
        self.main_loop = GLib.MainLoop()
 
476
 
    def client_not_found(self, key_id, address):
 
477
 
        log.info("Client with address %s and key ID %s could"
 
478
 
                 " not be found", address, key_id)
 
 
456
        self.log_message_raw(("bold",
 
 
457
                              "Mandos Monitor version " + version))
 
 
458
        self.log_message_raw(("bold",
 
 
461
        self.busname = domain + '.Mandos'
 
 
462
        self.main_loop = gobject.MainLoop()
 
 
464
    def client_not_found(self, fingerprint, address):
 
 
465
        self.log_message("Client with address {} and fingerprint {}"
 
 
466
                         " could not be found"
 
 
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                         .format(address, fingerprint))
 
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    def rebuild(self):
 
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        """This rebuilds the User Interface.
 
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        Call this when the widget layout needs to change"""
 
484
 
        # self.uilist.append(urwid.ListBox(self.clients))
 
 
473
        #self.uilist.append(urwid.ListBox(self.clients))
 
485
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        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
 
487
 
                                       # header=urwid.Divider(),
 
 
476
                                       #header=urwid.Divider(),
 
489
 
                                       footer=urwid.Divider(
 
490
 
                                           div_char=self.divider)))
 
 
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                                       urwid.Divider(div_char=
 
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        if self.log_visible:
 
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            self.uilist.append(self.logbox)
 
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        self.topwidget = urwid.Pile(self.uilist)
 
495
 
    def add_log_line(self, markup):
 
 
485
    def log_message(self, message, level=1):
 
 
486
        """Log message formatted with timestamp"""
 
 
487
        if level < self.log_level:
 
 
489
        timestamp = datetime.datetime.now().isoformat()
 
 
490
        self.log_message_raw("{}: {}".format(timestamp, message),
 
 
493
    def log_message_raw(self, markup, level=1):
 
 
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        """Add a log message to the log buffer."""
 
 
495
        if level < self.log_level:
 
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        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
 
497
 
        if self.max_log_length:
 
498
 
            if len(self.log) > self.max_log_length:
 
499
 
                del self.log[0:(len(self.log) - self.max_log_length)]
 
500
 
        self.logbox.set_focus(len(self.logbox.body.contents)-1,
 
 
498
        if (self.max_log_length
 
 
499
            and len(self.log) > self.max_log_length):
 
 
500
            del self.log[0:len(self.log)-self.max_log_length-1]
 
 
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        self.logbox.set_focus(len(self.logbox.body.contents),
 
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                              coming_from="above")
 
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    def toggle_log_display(self):
 
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        """Toggle visibility of the log buffer."""
 
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        self.log_visible = not self.log_visible
 
508
 
        log.debug("Log visibility changed to: %s", self.log_visible)
 
 
509
        self.log_message("Log visibility changed to: {}"
 
 
510
                         .format(self.log_visible), level=0)
 
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    def change_log_display(self):
 
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        """Change type of log display.
 
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        Currently, this toggles wrapping of text lines."""
 
 
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            self.log_wrap = "clip"
 
517
519
        for textwidget in self.log:
 
518
520
            textwidget.set_wrap_mode(self.log_wrap)
 
519
 
        log.debug("Wrap mode: %s", self.log_wrap)
 
521
 
    def find_and_remove_client(self, path, interfaces):
 
 
521
        self.log_message("Wrap mode: {}".format(self.log_wrap),
 
 
524
    def find_and_remove_client(self, path, name):
 
522
525
        """Find a client by its object path and remove it.
 
524
 
        This is connected to the InterfacesRemoved signal from the
 
 
527
        This is connected to the ClientRemoved signal from the
 
525
528
        Mandos server object."""
 
526
 
        if client_interface not in interfaces:
 
527
 
            # Not a Mandos client object; ignore
 
530
530
            client = self.clients_dict[path]
 
533
 
            log.warning("Unknown client %s removed", path)
 
 
533
            self.log_message("Unknown client {!r} ({!r}) removed"
 
537
 
    def add_new_client(self, path, ifs_and_props):
 
538
 
        """Find a client by its object path and remove it.
 
540
 
        This is connected to the InterfacesAdded signal from the
 
541
 
        Mandos server object.
 
543
 
        if client_interface not in ifs_and_props:
 
544
 
            # Not a Mandos client object; ignore
 
 
538
    def add_new_client(self, path):
 
546
539
        client_proxy_object = self.bus.get_object(self.busname, path)
 
547
 
        self.add_client(MandosClientWidget(
 
548
 
            server_proxy_object=self.mandos_serv,
 
549
 
            proxy_object=client_proxy_object,
 
550
 
            update_hook=self.refresh,
 
551
 
            delete_hook=self.remove_client,
 
552
 
            properties=dict(ifs_and_props[client_interface])),
 
 
540
        self.add_client(MandosClientWidget(server_proxy_object
 
 
543
                                           =client_proxy_object,
 
555
552
    def add_client(self, client, path=None):
 
556
553
        self.clients.append(client)
 
 
559
556
        self.clients_dict[path] = client
 
560
557
        self.clients.sort(key=lambda c: c.properties["Name"])
 
563
560
    def remove_client(self, client, path=None):
 
564
561
        self.clients.remove(client)
 
566
563
            path = client.proxy.object_path
 
567
564
        del self.clients_dict[path]
 
570
567
    def refresh(self):
 
571
568
        """Redraw the screen"""
 
572
569
        canvas = self.topwidget.render(self.size, focus=True)
 
573
570
        self.screen.draw_screen(self.size, canvas)
 
576
573
        """Start the main loop and exit when it's done."""
 
577
 
        log.addHandler(self.loghandler)
 
578
 
        self.orig_log_propagate = log.propagate
 
579
 
        log.propagate = False
 
580
 
        self.orig_log_level = log.level
 
582
574
        self.bus = dbus.SystemBus()
 
583
575
        mandos_dbus_objc = self.bus.get_object(
 
584
576
            self.busname, "/", follow_name_owner_changes=True)
 
585
 
        self.mandos_serv = dbus.Interface(
 
586
 
            mandos_dbus_objc, dbus_interface=server_interface)
 
 
577
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
588
581
            mandos_clients = (self.mandos_serv
 
589
582
                              .GetAllClientsWithProperties())
 
590
583
            if not mandos_clients:
 
591
 
                log.warning("Note: Server has no clients.")
 
 
584
                self.log_message_raw(("bold", "Note: Server has no clients."))
 
592
585
        except dbus.exceptions.DBusException:
 
593
 
            log.warning("Note: No Mandos server running.")
 
 
586
            self.log_message_raw(("bold", "Note: No Mandos server running."))
 
594
587
            mandos_clients = dbus.Dictionary()
 
596
589
        (self.mandos_serv
 
597
 
         .connect_to_signal("InterfacesRemoved",
 
 
590
         .connect_to_signal("ClientRemoved",
 
598
591
                            self.find_and_remove_client,
 
599
 
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
 
 
592
                            dbus_interface=server_interface,
 
600
593
                            byte_arrays=True))
 
601
594
        (self.mandos_serv
 
602
 
         .connect_to_signal("InterfacesAdded",
 
 
595
         .connect_to_signal("ClientAdded",
 
603
596
                            self.add_new_client,
 
604
 
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
 
 
597
                            dbus_interface=server_interface,
 
605
598
                            byte_arrays=True))
 
606
599
        (self.mandos_serv
 
607
600
         .connect_to_signal("ClientNotFound",
 
 
611
604
        for path, client in mandos_clients.items():
 
612
605
            client_proxy_object = self.bus.get_object(self.busname,
 
614
 
            self.add_client(MandosClientWidget(
 
615
 
                server_proxy_object=self.mandos_serv,
 
616
 
                proxy_object=client_proxy_object,
 
618
 
                update_hook=self.refresh,
 
619
 
                delete_hook=self.remove_client),
 
 
607
            self.add_client(MandosClientWidget(server_proxy_object
 
 
610
                                               =client_proxy_object,
 
623
 
        self._input_callback_tag = (
 
625
 
                GLib.IOChannel.unix_new(sys.stdin.fileno()),
 
626
 
                GLib.PRIORITY_DEFAULT, GLib.IO_IN,
 
627
 
                glib_safely(self.process_input)))
 
 
621
        self._input_callback_tag = (gobject.io_add_watch
 
628
625
        self.main_loop.run()
 
629
626
        # Main loop has finished, we should close everything now
 
630
 
        GLib.source_remove(self._input_callback_tag)
 
631
 
        with warnings.catch_warnings():
 
632
 
            warnings.simplefilter("ignore", BytesWarning)
 
 
627
        gobject.source_remove(self._input_callback_tag)
 
636
631
        self.main_loop.quit()
 
637
 
        log.removeHandler(self.loghandler)
 
638
 
        log.propagate = self.orig_log_propagate
 
640
633
    def process_input(self, source, condition):
 
641
634
        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
 
 
635
        translations = { "ctrl n": "down",      # Emacs
 
 
636
                         "ctrl p": "up",        # Emacs
 
 
637
                         "ctrl v": "page down", # Emacs
 
 
638
                         "meta v": "page up",   # Emacs
 
 
639
                         " ": "page down",      # less
 
 
640
                         "f": "page down",      # less
 
 
641
                         "b": "page up",        # less
 
654
647
                key = translations[key]
 
655
648
            except KeyError:    # :-)
 
658
651
            if key == "q" or key == "Q":
 
 
701
695
                    self.topwidget.set_focus(self.logbox)
 
704
 
                if log.level < logging.INFO:
 
705
 
                    log.setLevel(logging.INFO)
 
706
 
                    log.info("Verbose mode: Off")
 
 
698
                if self.log_level == 0:
 
 
700
                    self.log_message("Verbose mode: Off")
 
708
 
                    log.setLevel(logging.NOTSET)
 
709
 
                    log.info("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
 
 
703
                    self.log_message("Verbose mode: On")
 
 
704
            #elif (key == "end" or key == "meta >" or key == "G"
 
 
706
            #    pass            # xxx end-of-buffer
 
 
707
            #elif (key == "home" or key == "meta <" or key == "g"
 
 
709
            #    pass            # xxx beginning-of-buffer
 
 
710
            #elif key == "ctrl e" or key == "$":
 
 
711
            #    pass            # xxx move-end-of-line
 
 
712
            #elif key == "ctrl a" or key == "^":
 
 
713
            #    pass            # xxx move-beginning-of-line
 
 
714
            #elif key == "ctrl b" or key == "meta (" or key == "h":
 
 
716
            #elif key == "ctrl f" or key == "meta )" or key == "l":
 
 
719
            #    pass            # scroll up log
 
 
721
            #    pass            # scroll down log
 
728
722
            elif self.topwidget.selectable():
 
729
723
                self.topwidget.keypress(self.size, key)
 
734
 
class UILogHandler(logging.Handler):
 
735
 
    def __init__(self, ui, *args, **kwargs):
 
737
 
        super(UILogHandler, self).__init__(*args, **kwargs)
 
739
 
            logging.Formatter("%(asctime)s: %(message)s"))
 
740
 
    def emit(self, record):
 
741
 
        msg = self.format(record)
 
742
 
        if record.levelno > logging.INFO:
 
744
 
        self.ui.add_log_line(msg)
 
747
727
ui = UserInterface()
 
750
730
except KeyboardInterrupt:
 
751
 
    with warnings.catch_warnings():
 
752
 
        warnings.filterwarnings("ignore", "", BytesWarning)
 
755
 
    with warnings.catch_warnings():
 
756
 
        warnings.filterwarnings("ignore", "", BytesWarning)
 
 
732
except Exception as e:
 
 
733
    ui.log_message(str(e))