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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 © 2009-2013 Teddy Hogeborn
 
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# Copyright © 2009-2013 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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    from future_builtins import *
 
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except ImportError:
 
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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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# Show warnings by default
 
 
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if not sys.warnoptions:
 
 
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    warnings.simplefilter("default")
 
 
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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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                             int(second),           # Whole seconds
 
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                             int(fraction*1000000)) # Microseconds
 
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class MandosClientPropertyCache(object):
 
 
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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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    """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("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"]))
 
 
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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
 
174
 
            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):
 
178
 
            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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            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):
 
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            self.logger('Checker for client {0} (command "{1}")'
 
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                        ' failed with exit code {2}'
 
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                        .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)))
 
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        elif os.WCOREDUMP(condition):
 
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            self.logger('Checker for client {0} (command "{1}")'
 
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                        .format(self.properties["Name"], command))
 
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            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. This could be useful
 
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           to log in the future. """
 
209
 
        #self.logger('Client {0} started checker "{1}"'
 
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        #            .format(self.properties["Name"],
 
 
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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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    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'
 
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        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):
 
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        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",
 
250
 
                          "bold": "bold-standout",
 
252
 
                              "underline-blink-standout",
 
253
 
                          "bold-underline-blink":
 
254
 
                              "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"])
 
 
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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"]:
 
265
 
            timeout = datetime.timedelta(milliseconds
 
 
261
            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):
 
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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,
 
 
342
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
347
 
            self.proxy.Disable(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.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),
 
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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)
 
362
 
            self.proxy.StartChecker(dbus_interface = client_interface,
 
 
360
            self.proxy.Set(client_interface, "CheckerRunning",
 
 
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                           dbus.Boolean(True), ignore_reply=True,
 
 
362
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
365
 
            self.proxy.StopChecker(dbus_interface = client_interface,
 
 
364
            self.proxy.Set(client_interface, "CheckerRunning",
 
 
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                           dbus.Boolean(False), ignore_reply=True,
 
 
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                           dbus_interface=dbus.PROPERTIES_IFACE)
 
368
 
            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 property_changed(self, property=None, **kwargs):
 
381
 
        """Call self.update() if old value is not new value.
 
 
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    def properties_changed(self, interface, properties, invalidated):
 
 
381
        """Call self.update() if any properties changed.
 
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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:
 
 
383
        old_values = {key: self.properties.get(key)
 
 
384
                      for key in properties.keys()}
 
 
385
        super(MandosClientWidget, self).properties_changed(
 
 
386
            interface, properties, invalidated)
 
 
387
        if any(old_values[key] != self.properties.get(key)
 
 
388
               for key in old_values):
 
 
392
def glib_safely(func, retval=True):
 
 
393
    def safe_func(*args, **kwargs):
 
 
395
            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)
 
 
408
        ret = (super(ConstrainedListBox, self)
 
 
409
               .keypress(*args, **kwargs))
 
398
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        if ret in ("up", "down"):
 
403
 
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.
 
407
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    def __init__(self, max_log_length=1000):
 
408
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        DBusGMainLoop(set_as_default=True)
 
410
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        self.screen = urwid.curses_display.Screen()
 
412
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        self.screen.register_palette((
 
414
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                 "default", "default", None),
 
 
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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
 
 
447
            self.divider = "─"  # \u2500
 
437
 
            #self.divider = "-" # \u002d
 
438
 
            self.divider = "_" # \u005f
 
 
449
            self.divider = "_"  # \u005f
 
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        self.screen.start()
 
442
453
        self.size = self.screen.get_cols_rows()
 
444
455
        self.clients = urwid.SimpleListWalker([])
 
445
456
        self.clients_dict = {}
 
447
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        # We will add Text widgets to this list
 
 
459
        self.log = urwid.SimpleListWalker([])
 
449
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        self.max_log_length = max_log_length
 
451
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        # We keep a reference to the log widget so we can remove it
 
452
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        # from the ListWalker without it getting destroyed
 
453
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        self.logbox = ConstrainedListBox(self.log)
 
455
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        # This keeps track of whether self.uilist currently has
 
456
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        # self.logbox in it or not
 
457
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        self.log_visible = True
 
458
469
        self.log_wrap = "any"
 
 
471
        self.loghandler = UILogHandler(self)
 
461
 
        self.log_message_raw(("bold",
 
462
 
                              "Mandos Monitor version " + version))
 
463
 
        self.log_message_raw(("bold",
 
466
 
        self.busname = domain + '.Mandos'
 
467
 
        self.main_loop = gobject.MainLoop()
 
469
 
    def client_not_found(self, fingerprint, address):
 
470
 
        self.log_message("Client with address {0} and fingerprint"
 
471
 
                         " {1} could not be found"
 
472
 
                         .format(address, fingerprint))
 
 
474
        self.add_log_line(("bold",
 
 
475
                           "Mandos Monitor version " + version))
 
 
476
        self.add_log_line(("bold", "q: Quit  ?: Help"))
 
 
478
        self.busname = domain + ".Mandos"
 
 
479
        self.main_loop = GLib.MainLoop()
 
 
481
    def client_not_found(self, key_id, address):
 
 
482
        log.info("Client with address %s and key ID %s could"
 
 
483
                 " not be found", address, key_id)
 
474
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    def rebuild(self):
 
475
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        """This rebuilds the User Interface.
 
476
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        Call this when the widget layout needs to change"""
 
478
 
        #self.uilist.append(urwid.ListBox(self.clients))
 
 
489
        # self.uilist.append(urwid.ListBox(self.clients))
 
479
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        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
 
481
 
                                       #header=urwid.Divider(),
 
 
492
                                       # header=urwid.Divider(),
 
484
 
                                       urwid.Divider(div_char=
 
 
494
                                       footer=urwid.Divider(
 
 
495
                                           div_char=self.divider)))
 
486
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        if self.log_visible:
 
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            self.uilist.append(self.logbox)
 
488
498
        self.topwidget = urwid.Pile(self.uilist)
 
490
 
    def log_message(self, message):
 
491
 
        """Log message formatted with timestamp"""
 
492
 
        timestamp = datetime.datetime.now().isoformat()
 
493
 
        self.log_message_raw(timestamp + ": " + message)
 
495
 
    def log_message_raw(self, markup):
 
496
 
        """Add a log message to the log buffer."""
 
 
500
    def add_log_line(self, markup):
 
497
501
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
 
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]
 
501
 
        self.logbox.set_focus(len(self.logbox.body.contents),
 
 
502
        if self.max_log_length:
 
 
503
            if len(self.log) > self.max_log_length:
 
 
504
                del self.log[0:(len(self.log) - self.max_log_length)]
 
 
505
        self.logbox.set_focus(len(self.logbox.body.contents)-1,
 
502
506
                              coming_from="above")
 
505
509
    def toggle_log_display(self):
 
506
510
        """Toggle visibility of the log buffer."""
 
507
511
        self.log_visible = not self.log_visible
 
509
 
        #self.log_message("Log visibility changed to: "
 
510
 
        #                 + str(self.log_visible))
 
 
513
        log.debug("Log visibility changed to: %s", self.log_visible)
 
512
515
    def change_log_display(self):
 
513
516
        """Change type of log display.
 
514
517
        Currently, this toggles wrapping of text lines."""
 
 
518
521
            self.log_wrap = "clip"
 
519
522
        for textwidget in self.log:
 
520
523
            textwidget.set_wrap_mode(self.log_wrap)
 
521
 
        #self.log_message("Wrap mode: " + self.log_wrap)
 
523
 
    def find_and_remove_client(self, path, name):
 
 
524
        log.debug("Wrap mode: %s", self.log_wrap)
 
 
526
    def find_and_remove_client(self, path, interfaces):
 
524
527
        """Find a client by its object path and remove it.
 
526
 
        This is connected to the ClientRemoved signal from the
 
 
529
        This is connected to the InterfacesRemoved signal from the
 
527
530
        Mandos server object."""
 
 
531
        if client_interface not in interfaces:
 
 
532
            # Not a Mandos client object; ignore
 
529
535
            client = self.clients_dict[path]
 
532
 
            self.log_message("Unknown client {0!r} ({1!r}) removed"
 
 
538
            log.warning("Unknown client %s removed", path)
 
537
 
    def add_new_client(self, path):
 
 
542
    def add_new_client(self, path, ifs_and_props):
 
 
543
        """Find a client by its object path and remove it.
 
 
545
        This is connected to the InterfacesAdded signal from the
 
 
546
        Mandos server object.
 
 
548
        if client_interface not in ifs_and_props:
 
 
549
            # Not a Mandos client object; ignore
 
538
551
        client_proxy_object = self.bus.get_object(self.busname, path)
 
539
 
        self.add_client(MandosClientWidget(server_proxy_object
 
542
 
                                           =client_proxy_object,
 
 
552
        self.add_client(MandosClientWidget(
 
 
553
            server_proxy_object=self.mandos_serv,
 
 
554
            proxy_object=client_proxy_object,
 
 
555
            update_hook=self.refresh,
 
 
556
            delete_hook=self.remove_client,
 
 
557
            properties=dict(ifs_and_props[client_interface])),
 
551
560
    def add_client(self, client, path=None):
 
552
561
        self.clients.append(client)
 
 
555
564
        self.clients_dict[path] = client
 
556
565
        self.clients.sort(key=lambda c: c.properties["Name"])
 
559
568
    def remove_client(self, client, path=None):
 
560
569
        self.clients.remove(client)
 
562
571
            path = client.proxy.object_path
 
563
572
        del self.clients_dict[path]
 
566
575
    def refresh(self):
 
567
576
        """Redraw the screen"""
 
568
577
        canvas = self.topwidget.render(self.size, focus=True)
 
569
578
        self.screen.draw_screen(self.size, canvas)
 
572
581
        """Start the main loop and exit when it's done."""
 
 
582
        log.addHandler(self.loghandler)
 
 
583
        self.orig_log_propagate = log.propagate
 
 
584
        log.propagate = False
 
 
585
        self.orig_log_level = log.level
 
573
587
        self.bus = dbus.SystemBus()
 
574
588
        mandos_dbus_objc = self.bus.get_object(
 
575
589
            self.busname, "/", follow_name_owner_changes=True)
 
576
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
 
590
        self.mandos_serv = dbus.Interface(
 
 
591
            mandos_dbus_objc, dbus_interface=server_interface)
 
580
593
            mandos_clients = (self.mandos_serv
 
581
594
                              .GetAllClientsWithProperties())
 
582
595
            if not mandos_clients:
 
583
 
                self.log_message_raw(("bold", "Note: Server has no clients."))
 
 
596
                log.warning("Note: Server has no clients.")
 
584
597
        except dbus.exceptions.DBusException:
 
585
 
            self.log_message_raw(("bold", "Note: No Mandos server running."))
 
 
598
            log.warning("Note: No Mandos server running.")
 
586
599
            mandos_clients = dbus.Dictionary()
 
588
601
        (self.mandos_serv
 
589
 
         .connect_to_signal("ClientRemoved",
 
 
602
         .connect_to_signal("InterfacesRemoved",
 
590
603
                            self.find_and_remove_client,
 
591
 
                            dbus_interface=server_interface,
 
 
604
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
 
592
605
                            byte_arrays=True))
 
593
606
        (self.mandos_serv
 
594
 
         .connect_to_signal("ClientAdded",
 
 
607
         .connect_to_signal("InterfacesAdded",
 
595
608
                            self.add_new_client,
 
596
 
                            dbus_interface=server_interface,
 
 
609
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
 
597
610
                            byte_arrays=True))
 
598
611
        (self.mandos_serv
 
599
612
         .connect_to_signal("ClientNotFound",
 
 
603
616
        for path, client in mandos_clients.items():
 
604
617
            client_proxy_object = self.bus.get_object(self.busname,
 
606
 
            self.add_client(MandosClientWidget(server_proxy_object
 
609
 
                                               =client_proxy_object,
 
 
619
            self.add_client(MandosClientWidget(
 
 
620
                server_proxy_object=self.mandos_serv,
 
 
621
                proxy_object=client_proxy_object,
 
 
623
                update_hook=self.refresh,
 
 
624
                delete_hook=self.remove_client),
 
620
 
        self._input_callback_tag = (gobject.io_add_watch
 
 
628
        self._input_callback_tag = (
 
 
630
                GLib.IOChannel.unix_new(sys.stdin.fileno()),
 
 
631
                GLib.PRIORITY_DEFAULT, GLib.IO_IN,
 
 
632
                glib_safely(self.process_input)))
 
624
633
        self.main_loop.run()
 
625
634
        # Main loop has finished, we should close everything now
 
626
 
        gobject.source_remove(self._input_callback_tag)
 
 
635
        GLib.source_remove(self._input_callback_tag)
 
 
636
        with warnings.catch_warnings():
 
 
637
            warnings.simplefilter("ignore", BytesWarning)
 
630
641
        self.main_loop.quit()
 
 
642
        log.removeHandler(self.loghandler)
 
 
643
        log.propagate = self.orig_log_propagate
 
632
645
    def process_input(self, source, condition):
 
633
646
        keys = self.screen.get_input()
 
634
 
        translations = { "ctrl n": "down",      # Emacs
 
635
 
                         "ctrl p": "up",        # Emacs
 
636
 
                         "ctrl v": "page down", # Emacs
 
637
 
                         "meta v": "page up",   # Emacs
 
638
 
                         " ": "page down",      # less
 
639
 
                         "f": "page down",      # less
 
640
 
                         "b": "page up",        # less
 
 
647
        translations = {"ctrl n": "down",       # Emacs
 
 
648
                        "ctrl p": "up",         # Emacs
 
 
649
                        "ctrl v": "page down",  # Emacs
 
 
650
                        "meta v": "page up",    # Emacs
 
 
651
                        " ": "page down",       # less
 
 
652
                        "f": "page down",       # less
 
 
653
                        "b": "page up",         # less
 
646
659
                key = translations[key]
 
647
660
            except KeyError:    # :-)
 
650
663
            if key == "q" or key == "Q":
 
653
666
            elif key == "window resize":
 
654
667
                self.size = self.screen.get_cols_rows()
 
656
 
            elif key == "\f":  # Ctrl-L
 
 
669
            elif key == "ctrl l":
 
658
672
            elif key == "l" or key == "D":
 
659
673
                self.toggle_log_display()
 
 
691
706
                    self.topwidget.set_focus(self.logbox)
 
693
 
            #elif (key == "end" or key == "meta >" or key == "G"
 
695
 
            #    pass            # xxx end-of-buffer
 
696
 
            #elif (key == "home" or key == "meta <" or key == "g"
 
698
 
            #    pass            # xxx beginning-of-buffer
 
699
 
            #elif key == "ctrl e" or key == "$":
 
700
 
            #    pass            # xxx move-end-of-line
 
701
 
            #elif key == "ctrl a" or key == "^":
 
702
 
            #    pass            # xxx move-beginning-of-line
 
703
 
            #elif key == "ctrl b" or key == "meta (" or key == "h":
 
705
 
            #elif key == "ctrl f" or key == "meta )" or key == "l":
 
708
 
            #    pass            # scroll up log
 
710
 
            #    pass            # scroll down log
 
 
709
                if log.level < logging.INFO:
 
 
710
                    log.setLevel(logging.INFO)
 
 
711
                    log.info("Verbose mode: Off")
 
 
713
                    log.setLevel(logging.NOTSET)
 
 
714
                    log.info("Verbose mode: On")
 
 
715
            # elif (key == "end" or key == "meta >" or key == "G"
 
 
717
            #     pass            # xxx end-of-buffer
 
 
718
            # elif (key == "home" or key == "meta <" or key == "g"
 
 
720
            #     pass            # xxx beginning-of-buffer
 
 
721
            # elif key == "ctrl e" or key == "$":
 
 
722
            #     pass            # xxx move-end-of-line
 
 
723
            # elif key == "ctrl a" or key == "^":
 
 
724
            #     pass            # xxx move-beginning-of-line
 
 
725
            # elif key == "ctrl b" or key == "meta (" or key == "h":
 
 
727
            # elif key == "ctrl f" or key == "meta )" or key == "l":
 
 
730
            #     pass            # scroll up log
 
 
732
            #     pass            # scroll down log
 
711
733
            elif self.topwidget.selectable():
 
712
734
                self.topwidget.keypress(self.size, key)
 
 
739
class UILogHandler(logging.Handler):
 
 
740
    def __init__(self, ui, *args, **kwargs):
 
 
742
        super(UILogHandler, self).__init__(*args, **kwargs)
 
 
744
            logging.Formatter("%(asctime)s: %(message)s"))
 
 
745
    def emit(self, record):
 
 
746
        msg = self.format(record)
 
 
747
        if record.levelno > logging.INFO:
 
 
749
        self.ui.add_log_line(msg)
 
716
752
ui = UserInterface()
 
719
755
except KeyboardInterrupt:
 
721
 
except Exception as e:
 
722
 
    ui.log_message(str(e))
 
 
756
    with warnings.catch_warnings():
 
 
757
        warnings.filterwarnings("ignore", "", BytesWarning)
 
 
760
    with warnings.catch_warnings():
 
 
761
        warnings.filterwarnings("ignore", "", BytesWarning)