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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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# 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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#     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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# Contact the authors at <mandos@recompile.se>.
 
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from __future__ import division, absolute_import, with_statement
 
 
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from __future__ import (division, absolute_import, print_function,
 
 
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    from future_builtins import *
 
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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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locale.setlocale(locale.LC_ALL, u'')
 
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logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
 
 
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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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# Some useful constants
 
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domain = 'se.bsnet.fukt'
 
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server_interface = domain + '.Mandos'
 
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client_interface = domain + '.Mandos.Client'
 
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# Always run in monochrome mode
 
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urwid.curses_display.curses.has_colors = lambda : False
 
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# Urwid doesn't support blinking, but we want it.  Since we have no
 
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# use for underline on its own, we make underline also always blink.
 
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urwid.curses_display.curses.A_UNDERLINE |= (
 
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    urwid.curses_display.curses.A_BLINK)
 
 
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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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    d, t = iso.split(u"T", 1)
 
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    year, month, day = d.split(u"-", 2)
 
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    hour, minute, second = t.split(u":", 2)
 
 
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    d, t = iso.split("T", 1)
 
 
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    year, month, day = d.split("-", 2)
 
 
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    hour, minute, second = t.split(":", 2)
 
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    second, fraction = divmod(float(second), 1)
 
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    return datetime.datetime(int(year),
 
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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, *args, **kwargs):
 
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        self.proxy = proxy_object # Mandos Client proxy object
 
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        self.properties = dict()
 
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        self.proxy.connect_to_signal(u"PropertyChanged",
 
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                                     self.property_changed,
 
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        self.properties.update(
 
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            self.proxy.GetAll(client_interface,
 
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                              dbus_interface = dbus.PROPERTIES_IFACE))
 
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        #XXX This break good super behaviour!
 
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#        super(MandosClientPropertyCache, self).__init__(
 
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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 __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.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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        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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        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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        self.properties[property] = value
 
 
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        if interface == client_interface:
 
 
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            self.properties.update(properties)
 
 
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        self.property_changed_match.remove()
 
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class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
 
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    """A Mandos Client which is visible on the screen.
 
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    def __init__(self, server_proxy_object=None, update_hook=None,
 
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                 delete_hook=None, logger=None, *args, **kwargs):
 
 
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                 delete_hook=None, **kwargs):
 
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        # Called on update
 
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        self.update_hook = update_hook
 
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        # Called on delete
 
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        self.delete_hook = delete_hook
 
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        # Mandos Server proxy object
 
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        self.server_proxy_object = server_proxy_object
 
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        self._update_timer_callback_tag = None
 
105
 
        self.last_checker_failed = False
 
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        # The widget shown normally
 
108
 
        self._text_widget = urwid.Text(u"")
 
 
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        self._text_widget = urwid.Text("")
 
109
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        # The widget shown when we have focus
 
110
 
        self._focus_text_widget = urwid.Text(u"")
 
111
 
        super(MandosClientWidget, self).__init__(
 
112
 
            update_hook=update_hook, delete_hook=delete_hook,
 
 
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        self._focus_text_widget = urwid.Text("")
 
 
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        super(MandosClientWidget, self).__init__(**kwargs)
 
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        self.opened = False
 
116
 
        self.proxy.connect_to_signal(u"CheckerCompleted",
 
117
 
                                     self.checker_completed,
 
120
 
        self.proxy.connect_to_signal(u"CheckerStarted",
 
121
 
                                     self.checker_started,
 
124
 
        self.proxy.connect_to_signal(u"GotSecret",
 
128
 
        self.proxy.connect_to_signal(u"NeedApproval",
 
132
 
        self.proxy.connect_to_signal(u"Rejected",
 
136
 
        last_checked_ok = isoformat_to_datetime(self.properties
 
138
 
        if last_checked_ok is None:
 
139
 
            self.last_checker_failed = True
 
141
 
            self.last_checker_failed = ((datetime.datetime.utcnow()
 
147
 
        if self.last_checker_failed:
 
148
 
            self._update_timer_callback_tag = (gobject.timeout_add
 
 
148
        self.match_objects = (
 
 
149
            self.proxy.connect_to_signal("CheckerCompleted",
 
 
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                                         self.checker_completed,
 
 
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            self.proxy.connect_to_signal("CheckerStarted",
 
 
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                                         self.checker_started,
 
 
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            self.proxy.connect_to_signal("GotSecret",
 
 
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            self.proxy.connect_to_signal("NeedApproval",
 
 
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            self.proxy.connect_to_signal("Rejected",
 
 
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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
 
 
177
            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):
 
 
181
            GLib.source_remove(self._update_timer_callback_tag)
 
 
182
            self._update_timer_callback_tag = None
 
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    def checker_completed(self, exitstatus, condition, command):
 
153
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        if exitstatus == 0:
 
154
 
            if self.last_checker_failed:
 
155
 
                self.last_checker_failed = False
 
156
 
                gobject.source_remove(self._update_timer_callback_tag)
 
157
 
                self._update_timer_callback_tag = None
 
158
 
            #self.logger(u'Checker for client %s (command "%s")'
 
160
 
            #            % (self.properties[u"Name"], command))
 
 
186
            log.debug('Checker for client %s (command "%s")'
 
 
187
                      " succeeded", self.properties["Name"], command)
 
164
 
        if not self.last_checker_failed:
 
165
 
            self.last_checker_failed = True
 
166
 
            self._update_timer_callback_tag = (gobject.timeout_add
 
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        if os.WIFEXITED(condition):
 
170
 
            self.logger(u'Checker for client %s (command "%s")'
 
171
 
                        u' failed with exit code %s'
 
172
 
                        % (self.properties[u"Name"], command,
 
173
 
                           os.WEXITSTATUS(condition)))
 
 
192
            log.info('Checker for client %s (command "%s") failed'
 
 
193
                     " with exit code %d", self.properties["Name"],
 
 
194
                     command, os.WEXITSTATUS(condition))
 
174
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        elif os.WIFSIGNALED(condition):
 
175
 
            self.logger(u'Checker for client %s (command "%s")'
 
176
 
                        u' was killed by signal %s'
 
177
 
                        % (self.properties[u"Name"], command,
 
178
 
                           os.WTERMSIG(condition)))
 
179
 
        elif os.WCOREDUMP(condition):
 
180
 
            self.logger(u'Checker for client %s (command "%s")'
 
182
 
                        % (self.properties[u"Name"], command))
 
184
 
            self.logger(u'Checker for client %s completed'
 
 
196
            log.info('Checker for client %s (command "%s") was'
 
 
197
                     " killed by signal %d", self.properties["Name"],
 
 
198
                     command, os.WTERMSIG(condition))
 
188
201
    def checker_started(self, command):
 
189
 
        #self.logger(u'Client %s started checker "%s"'
 
190
 
        #            % (self.properties[u"Name"], unicode(command)))
 
 
202
        """Server signals that a checker started."""
 
 
203
        log.debug('Client %s started checker "%s"',
 
 
204
                  self.properties["Name"], command)
 
193
206
    def got_secret(self):
 
194
 
        self.last_checker_failed = False
 
195
 
        self.logger(u'Client %s received its secret'
 
196
 
                    % self.properties[u"Name"])
 
 
207
        log.info("Client %s received its secret",
 
 
208
                 self.properties["Name"])
 
198
210
    def need_approval(self, timeout, default):
 
200
 
            message = u'Client %s needs approval within %s seconds'
 
 
212
            message = "Client %s needs approval within %f seconds"
 
202
 
            message = u'Client %s will get its secret in %s seconds'
 
204
 
                    % (self.properties[u"Name"], timeout/1000))
 
 
214
            message = "Client %s will get its secret in %f seconds"
 
 
215
        log.info(message, self.properties["Name"], timeout/1000)
 
206
217
    def rejected(self, reason):
 
207
 
        self.logger(u'Client %s was rejected; reason: %s'
 
208
 
                    % (self.properties[u"Name"], reason))
 
 
218
        log.info("Client %s was rejected; reason: %s",
 
 
219
                 self.properties["Name"], reason)
 
210
221
    def selectable(self):
 
211
222
        """Make this a "selectable" widget.
 
212
223
        This overrides the method from urwid.FlowWidget."""
 
215
 
    def rows(self, (maxcol,), focus=False):
 
 
226
    def rows(self, maxcolrow, focus=False):
 
216
227
        """How many rows this widget will occupy might depend on
 
217
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        whether we have focus or not.
 
218
229
        This overrides the method from urwid.FlowWidget"""
 
219
 
        return self.current_widget(focus).rows((maxcol,), focus=focus)
 
 
230
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
 
221
232
    def current_widget(self, focus=False):
 
222
233
        if focus or self.opened:
 
223
234
            return self._focus_widget
 
224
235
        return self._widget
 
226
237
    def update(self):
 
227
238
        "Called when what is visible on the screen should be updated."
 
228
239
        # How to add standout mode to a style
 
229
 
        with_standout = { u"normal": u"standout",
 
230
 
                          u"bold": u"bold-standout",
 
232
 
                              u"underline-blink-standout",
 
233
 
                          u"bold-underline-blink":
 
234
 
                              u"bold-underline-blink-standout",
 
 
240
        with_standout = {"normal": "standout",
 
 
241
                         "bold": "bold-standout",
 
 
243
                         "underline-blink-standout",
 
 
244
                         "bold-underline-blink":
 
 
245
                         "bold-underline-blink-standout",
 
237
248
        # Rebuild focus and non-focus widgets using current properties
 
239
250
        # Base part of a client. Name!
 
240
 
        base = (u'%(name)s: '
 
241
 
                      % {u"name": self.properties[u"Name"]})
 
242
 
        if not self.properties[u"Enabled"]:
 
243
 
            message = u"DISABLED"
 
244
 
        elif self.properties[u"ApprovalPending"]:
 
245
 
            if self.properties[u"ApprovedByDefault"]:
 
246
 
                message = u"Connection established to client. (d)eny?"
 
248
 
                message = u"Seeks approval to send secret. (a)pprove?"
 
249
 
        elif self.last_checker_failed:
 
250
 
            timeout = datetime.timedelta(milliseconds
 
253
 
            last_ok = isoformat_to_datetime(
 
254
 
                max((self.properties[u"LastCheckedOK"]
 
255
 
                     or self.properties[u"Created"]),
 
256
 
                    self.properties[u"LastEnabled"]))
 
257
 
            timer = timeout - (datetime.datetime.utcnow() - last_ok)
 
258
 
            message = (u'A checker has failed! Time until client'
 
259
 
                       u' gets disabled: %s'
 
260
 
                           % unicode(timer).rsplit(".", 1)[0])
 
 
251
        base = "{name}: ".format(name=self.properties["Name"])
 
 
252
        if not self.properties["Enabled"]:
 
 
254
            self.using_timer(False)
 
 
255
        elif self.properties["ApprovalPending"]:
 
 
256
            timeout = datetime.timedelta(
 
 
257
                milliseconds=self.properties["ApprovalDelay"])
 
 
258
            last_approval_request = isoformat_to_datetime(
 
 
259
                self.properties["LastApprovalRequest"])
 
 
260
            if last_approval_request is not None:
 
 
261
                timer = max(timeout - (datetime.datetime.utcnow()
 
 
262
                                       - last_approval_request),
 
 
263
                            datetime.timedelta())
 
 
265
                timer = datetime.timedelta()
 
 
266
            if self.properties["ApprovedByDefault"]:
 
 
267
                message = "Approval in {}. (d)eny?"
 
 
269
                message = "Denial in {}. (a)pprove?"
 
 
270
            message = message.format(str(timer).rsplit(".", 1)[0])
 
 
271
            self.using_timer(True)
 
 
272
        elif self.properties["LastCheckerStatus"] != 0:
 
 
273
            # When checker has failed, show timer until client expires
 
 
274
            expires = self.properties["Expires"]
 
 
276
                timer = datetime.timedelta(0)
 
 
278
                expires = (datetime.datetime.strptime
 
 
279
                           (expires, "%Y-%m-%dT%H:%M:%S.%f"))
 
 
280
                timer = max(expires - datetime.datetime.utcnow(),
 
 
281
                            datetime.timedelta())
 
 
282
            message = ("A checker has failed! Time until client"
 
 
284
                       .format(str(timer).rsplit(".", 1)[0]))
 
 
285
            self.using_timer(True)
 
263
 
        self._text = "%s%s" % (base, message)
 
 
288
            self.using_timer(False)
 
 
289
        self._text = "{}{}".format(base, message)
 
265
291
        if not urwid.supports_unicode():
 
266
292
            self._text = self._text.encode("ascii", "replace")
 
267
 
        textlist = [(u"normal", self._text)]
 
 
293
        textlist = [("normal", self._text)]
 
268
294
        self._text_widget.set_text(textlist)
 
269
295
        self._focus_text_widget.set_text([(with_standout[text[0]],
 
 
277
303
        # Run update hook, if any
 
278
304
        if self.update_hook is not None:
 
279
305
            self.update_hook()
 
281
307
    def update_timer(self):
 
 
308
        """called by GLib. Will indefinitely loop until
 
 
309
        GLib.source_remove() on tag is called
 
284
312
        return True             # Keep calling this
 
 
314
    def delete(self, **kwargs):
 
287
315
        if self._update_timer_callback_tag is not None:
 
288
 
            gobject.source_remove(self._update_timer_callback_tag)
 
 
316
            GLib.source_remove(self._update_timer_callback_tag)
 
289
317
            self._update_timer_callback_tag = None
 
 
318
        for match in self.match_objects:
 
 
320
        self.match_objects = ()
 
290
321
        if self.delete_hook is not None:
 
291
322
            self.delete_hook(self)
 
293
 
    def render(self, (maxcol,), focus=False):
 
 
323
        return super(MandosClientWidget, self).delete(**kwargs)
 
 
325
    def render(self, maxcolrow, focus=False):
 
294
326
        """Render differently if we have focus.
 
295
327
        This overrides the method from urwid.FlowWidget"""
 
296
 
        return self.current_widget(focus).render((maxcol,),
 
 
328
        return self.current_widget(focus).render(maxcolrow,
 
299
 
    def keypress(self, (maxcol,), key):
 
 
331
    def keypress(self, maxcolrow, key):
 
301
333
        This overrides the method from urwid.FlowWidget"""
 
303
 
            self.proxy.Enable(dbus_interface = client_interface)
 
305
 
            self.proxy.Disable(dbus_interface = client_interface)
 
 
335
            self.proxy.Set(client_interface, "Enabled",
 
 
336
                           dbus.Boolean(True), ignore_reply=True,
 
 
337
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
 
339
            self.proxy.Set(client_interface, "Enabled", False,
 
 
341
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
307
343
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
 
308
 
                               dbus_interface = client_interface)
 
 
344
                               dbus_interface=client_interface,
 
310
347
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
 
311
 
                                  dbus_interface = client_interface)
 
312
 
        elif key == u"r" or key == u"_" or key == u"ctrl k":
 
 
348
                               dbus_interface=client_interface,
 
 
350
        elif key == "R" or key == "_" or key == "ctrl k":
 
313
351
            self.server_proxy_object.RemoveClient(self.proxy
 
316
 
            self.proxy.StartChecker(dbus_interface = client_interface)
 
318
 
            self.proxy.StopChecker(dbus_interface = client_interface)
 
320
 
            self.proxy.CheckedOK(dbus_interface = client_interface)
 
 
355
            self.proxy.Set(client_interface, "CheckerRunning",
 
 
356
                           dbus.Boolean(True), ignore_reply=True,
 
 
357
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
 
359
            self.proxy.Set(client_interface, "CheckerRunning",
 
 
360
                           dbus.Boolean(False), ignore_reply=True,
 
 
361
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
 
363
            self.proxy.CheckedOK(dbus_interface=client_interface,
 
322
 
#         elif key == u"p" or key == "=":
 
 
366
#         elif key == "p" or key == "=":
 
323
367
#             self.proxy.pause()
 
324
 
#         elif key == u"u" or key == ":":
 
 
368
#         elif key == "u" or key == ":":
 
325
369
#             self.proxy.unpause()
 
326
 
#         elif key == u"RET":
 
331
 
    def property_changed(self, property=None, value=None,
 
333
 
        """Call self.update() if old value is not new value.
 
 
375
    def properties_changed(self, interface, properties, invalidated):
 
 
376
        """Call self.update() if any properties changed.
 
334
377
        This overrides the method from MandosClientPropertyCache"""
 
335
 
        property_name = unicode(property)
 
336
 
        old_value = self.properties.get(property_name)
 
337
 
        super(MandosClientWidget, self).property_changed(
 
338
 
            property=property, value=value, *args, **kwargs)
 
339
 
        if self.properties.get(property_name) != old_value:
 
 
378
        old_values = {key: self.properties.get(key)
 
 
379
                      for key in properties.keys()}
 
 
380
        super(MandosClientWidget, self).properties_changed(
 
 
381
            interface, properties, invalidated)
 
 
382
        if any(old_values[key] != self.properties.get(key)
 
 
383
               for key in old_values):
 
 
387
def glib_safely(func, retval=True):
 
 
388
    def safe_func(*args, **kwargs):
 
 
390
            return func(*args, **kwargs)
 
343
397
class ConstrainedListBox(urwid.ListBox):
 
344
398
    """Like a normal urwid.ListBox, but will consume all "up" or
 
345
399
    "down" key presses, thus not allowing any containing widgets to
 
346
400
    use them as an excuse to shift focus away from this widget.
 
348
 
    def keypress(self, (maxcol, maxrow), key):
 
349
 
        ret = super(ConstrainedListBox, self).keypress((maxcol,
 
351
 
        if ret in (u"up", u"down"):
 
 
402
    def keypress(self, *args, **kwargs):
 
 
403
        ret = (super(ConstrainedListBox, self)
 
 
404
               .keypress(*args, **kwargs))
 
 
405
        if ret in ("up", "down"):
 
356
 
class UserInterface(object):
 
357
411
    """This is the entire user interface - the whole screen
 
358
412
    with boxes, lists of client widgets, etc.
 
360
414
    def __init__(self, max_log_length=1000):
 
361
415
        DBusGMainLoop(set_as_default=True)
 
363
417
        self.screen = urwid.curses_display.Screen()
 
365
419
        self.screen.register_palette((
 
367
 
                 u"default", u"default", None),
 
369
 
                 u"default", u"default", u"bold"),
 
371
 
                 u"default", u"default", u"underline"),
 
373
 
                 u"default", u"default", u"standout"),
 
374
 
                (u"bold-underline-blink",
 
375
 
                 u"default", u"default", (u"bold", u"underline")),
 
377
 
                 u"default", u"default", (u"bold", u"standout")),
 
378
 
                (u"underline-blink-standout",
 
379
 
                 u"default", u"default", (u"underline", u"standout")),
 
380
 
                (u"bold-underline-blink-standout",
 
381
 
                 u"default", u"default", (u"bold", u"underline",
 
 
421
                 "default", "default", None),
 
 
423
                 "bold", "default", "bold"),
 
 
425
                 "underline,blink", "default", "underline,blink"),
 
 
427
                 "standout", "default", "standout"),
 
 
428
                ("bold-underline-blink",
 
 
429
                 "bold,underline,blink", "default",
 
 
430
                 "bold,underline,blink"),
 
 
432
                 "bold,standout", "default", "bold,standout"),
 
 
433
                ("underline-blink-standout",
 
 
434
                 "underline,blink,standout", "default",
 
 
435
                 "underline,blink,standout"),
 
 
436
                ("bold-underline-blink-standout",
 
 
437
                 "bold,underline,blink,standout", "default",
 
 
438
                 "bold,underline,blink,standout"),
 
385
441
        if urwid.supports_unicode():
 
386
 
            self.divider = u"─" # \u2500
 
387
 
            #self.divider = u"━" # \u2501
 
 
442
            self.divider = "─"  # \u2500
 
389
 
            #self.divider = u"-" # \u002d
 
390
 
            self.divider = u"_" # \u005f
 
 
444
            self.divider = "_"  # \u005f
 
392
446
        self.screen.start()
 
394
448
        self.size = self.screen.get_cols_rows()
 
396
450
        self.clients = urwid.SimpleListWalker([])
 
397
451
        self.clients_dict = {}
 
399
453
        # We will add Text widgets to this list
 
 
454
        self.log = urwid.SimpleListWalker([])
 
401
455
        self.max_log_length = max_log_length
 
403
457
        # We keep a reference to the log widget so we can remove it
 
404
458
        # from the ListWalker without it getting destroyed
 
405
459
        self.logbox = ConstrainedListBox(self.log)
 
407
461
        # This keeps track of whether self.uilist currently has
 
408
462
        # self.logbox in it or not
 
409
463
        self.log_visible = True
 
410
 
        self.log_wrap = u"any"
 
 
464
        self.log_wrap = "any"
 
 
466
        self.loghandler = UILogHandler(self)
 
413
 
        self.log_message_raw((u"bold",
 
414
 
                              u"Mandos Monitor version " + version))
 
415
 
        self.log_message_raw((u"bold",
 
418
 
        self.busname = domain + '.Mandos'
 
419
 
        self.main_loop = gobject.MainLoop()
 
420
 
        self.bus = dbus.SystemBus()
 
421
 
        mandos_dbus_objc = self.bus.get_object(
 
422
 
            self.busname, u"/", follow_name_owner_changes=True)
 
423
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
427
 
            mandos_clients = (self.mandos_serv
 
428
 
                              .GetAllClientsWithProperties())
 
429
 
        except dbus.exceptions.DBusException:
 
430
 
            mandos_clients = dbus.Dictionary()
 
433
 
         .connect_to_signal(u"ClientRemoved",
 
434
 
                            self.find_and_remove_client,
 
435
 
                            dbus_interface=server_interface,
 
438
 
         .connect_to_signal(u"ClientAdded",
 
440
 
                            dbus_interface=server_interface,
 
443
 
         .connect_to_signal(u"ClientNotFound",
 
444
 
                            self.client_not_found,
 
445
 
                            dbus_interface=server_interface,
 
447
 
        for path, client in mandos_clients.iteritems():
 
448
 
            client_proxy_object = self.bus.get_object(self.busname,
 
450
 
            self.add_client(MandosClientWidget(server_proxy_object
 
453
 
                                               =client_proxy_object,
 
463
 
    def client_not_found(self, fingerprint, address):
 
464
 
        self.log_message((u"Client with address %s and fingerprint %s"
 
465
 
                          u" could not be found" % (address,
 
 
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)
 
468
480
    def rebuild(self):
 
469
481
        """This rebuilds the User Interface.
 
470
482
        Call this when the widget layout needs to change"""
 
472
 
        #self.uilist.append(urwid.ListBox(self.clients))
 
 
484
        # self.uilist.append(urwid.ListBox(self.clients))
 
473
485
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
 
475
 
                                       #header=urwid.Divider(),
 
 
487
                                       # header=urwid.Divider(),
 
478
 
                                       urwid.Divider(div_char=
 
 
489
                                       footer=urwid.Divider(
 
 
490
                                           div_char=self.divider)))
 
480
491
        if self.log_visible:
 
481
492
            self.uilist.append(self.logbox)
 
483
493
        self.topwidget = urwid.Pile(self.uilist)
 
485
 
    def log_message(self, message):
 
486
 
        timestamp = datetime.datetime.now().isoformat()
 
487
 
        self.log_message_raw(timestamp + u": " + message)
 
489
 
    def log_message_raw(self, markup):
 
490
 
        """Add a log message to the log buffer."""
 
 
495
    def add_log_line(self, markup):
 
491
496
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
 
492
 
        if (self.max_log_length
 
493
 
            and len(self.log) > self.max_log_length):
 
494
 
            del self.log[0:len(self.log)-self.max_log_length-1]
 
495
 
        self.logbox.set_focus(len(self.logbox.body.contents),
 
496
 
                              coming_from=u"above")
 
 
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,
 
499
504
    def toggle_log_display(self):
 
500
505
        """Toggle visibility of the log buffer."""
 
501
506
        self.log_visible = not self.log_visible
 
503
 
        #self.log_message(u"Log visibility changed to: "
 
504
 
        #                 + unicode(self.log_visible))
 
 
508
        log.debug("Log visibility changed to: %s", self.log_visible)
 
506
510
    def change_log_display(self):
 
507
511
        """Change type of log display.
 
508
512
        Currently, this toggles wrapping of text lines."""
 
509
 
        if self.log_wrap == u"clip":
 
510
 
            self.log_wrap = u"any"
 
 
513
        if self.log_wrap == "clip":
 
 
514
            self.log_wrap = "any"
 
512
 
            self.log_wrap = u"clip"
 
 
516
            self.log_wrap = "clip"
 
513
517
        for textwidget in self.log:
 
514
518
            textwidget.set_wrap_mode(self.log_wrap)
 
515
 
        #self.log_message(u"Wrap mode: " + self.log_wrap)
 
517
 
    def find_and_remove_client(self, path, name):
 
518
 
        """Find an client from its object path and remove it.
 
520
 
        This is connected to the ClientRemoved signal from the
 
 
519
        log.debug("Wrap mode: %s", self.log_wrap)
 
 
521
    def find_and_remove_client(self, path, interfaces):
 
 
522
        """Find a client by its object path and remove it.
 
 
524
        This is connected to the InterfacesRemoved signal from the
 
521
525
        Mandos server object."""
 
 
526
        if client_interface not in interfaces:
 
 
527
            # Not a Mandos client object; ignore
 
523
530
            client = self.clients_dict[path]
 
527
 
        self.remove_client(client, path)
 
529
 
    def add_new_client(self, path):
 
 
533
            log.warning("Unknown client %s removed", path)
 
 
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
 
530
546
        client_proxy_object = self.bus.get_object(self.busname, path)
 
531
 
        self.add_client(MandosClientWidget(server_proxy_object
 
534
 
                                           =client_proxy_object,
 
 
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])),
 
543
555
    def add_client(self, client, path=None):
 
544
556
        self.clients.append(client)
 
546
558
            path = client.proxy.object_path
 
547
559
        self.clients_dict[path] = client
 
548
 
        self.clients.sort(None, lambda c: c.properties[u"Name"])
 
 
560
        self.clients.sort(key=lambda c: c.properties["Name"])
 
551
563
    def remove_client(self, client, path=None):
 
552
564
        self.clients.remove(client)
 
554
566
            path = client.proxy.object_path
 
555
567
        del self.clients_dict[path]
 
556
 
        if not self.clients_dict:
 
557
 
            # Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
 
558
 
            # is completely emptied, we need to recreate it.
 
559
 
            self.clients = urwid.SimpleListWalker([])
 
563
570
    def refresh(self):
 
564
571
        """Redraw the screen"""
 
565
572
        canvas = self.topwidget.render(self.size, focus=True)
 
566
573
        self.screen.draw_screen(self.size, canvas)
 
569
576
        """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
        self.bus = dbus.SystemBus()
 
 
583
        mandos_dbus_objc = self.bus.get_object(
 
 
584
            self.busname, "/", follow_name_owner_changes=True)
 
 
585
        self.mandos_serv = dbus.Interface(
 
 
586
            mandos_dbus_objc, dbus_interface=server_interface)
 
 
588
            mandos_clients = (self.mandos_serv
 
 
589
                              .GetAllClientsWithProperties())
 
 
590
            if not mandos_clients:
 
 
591
                log.warning("Note: Server has no clients.")
 
 
592
        except dbus.exceptions.DBusException:
 
 
593
            log.warning("Note: No Mandos server running.")
 
 
594
            mandos_clients = dbus.Dictionary()
 
 
597
         .connect_to_signal("InterfacesRemoved",
 
 
598
                            self.find_and_remove_client,
 
 
599
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
 
 
602
         .connect_to_signal("InterfacesAdded",
 
 
604
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
 
 
607
         .connect_to_signal("ClientNotFound",
 
 
608
                            self.client_not_found,
 
 
609
                            dbus_interface=server_interface,
 
 
611
        for path, client in mandos_clients.items():
 
 
612
            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),
 
571
 
        self._input_callback_tag = (gobject.io_add_watch
 
 
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)))
 
575
628
        self.main_loop.run()
 
576
629
        # Main loop has finished, we should close everything now
 
577
 
        gobject.source_remove(self._input_callback_tag)
 
 
630
        GLib.source_remove(self._input_callback_tag)
 
 
631
        with warnings.catch_warnings():
 
 
632
            warnings.simplefilter("ignore", BytesWarning)
 
581
636
        self.main_loop.quit()
 
 
637
        log.removeHandler(self.loghandler)
 
 
638
        log.propagate = self.orig_log_propagate
 
583
640
    def process_input(self, source, condition):
 
584
641
        keys = self.screen.get_input()
 
585
 
        translations = { u"ctrl n": u"down",      # Emacs
 
586
 
                         u"ctrl p": u"up",        # Emacs
 
587
 
                         u"ctrl v": u"page down", # Emacs
 
588
 
                         u"meta v": u"page up",   # Emacs
 
589
 
                         u" ": u"page down",      # less
 
590
 
                         u"f": u"page down",      # less
 
591
 
                         u"b": u"page up",        # less
 
 
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
 
597
654
                key = translations[key]
 
598
655
            except KeyError:    # :-)
 
601
 
            if key == u"q" or key == u"Q":
 
 
658
            if key == "q" or key == "Q":
 
604
 
            elif key == u"window resize":
 
 
661
            elif key == "window resize":
 
605
662
                self.size = self.screen.get_cols_rows()
 
607
 
            elif key == u"\f":  # Ctrl-L
 
 
664
            elif key == "ctrl l":
 
609
 
            elif key == u"l" or key == u"D":
 
 
667
            elif key == "l" or key == "D":
 
610
668
                self.toggle_log_display()
 
612
 
            elif key == u"w" or key == u"i":
 
 
670
            elif key == "w" or key == "i":
 
613
671
                self.change_log_display()
 
615
 
            elif key == u"?" or key == u"f1" or key == u"esc":
 
 
673
            elif key == "?" or key == "f1" or key == "esc":
 
616
674
                if not self.log_visible:
 
617
675
                    self.log_visible = True
 
619
 
                self.log_message_raw((u"bold",
 
623
 
                                            u"l: Log window toggle",
 
624
 
                                            u"TAB: Switch window",
 
626
 
                self.log_message_raw((u"bold",
 
632
 
                                             u"s: Start new checker",
 
 
677
                self.add_log_line(("bold",
 
 
680
                                              "l: Log window toggle",
 
 
681
                                              "TAB: Switch window",
 
 
682
                                              "w: Wrap (log lines)",
 
 
683
                                              "v: Toggle verbose log",
 
 
685
                self.add_log_line(("bold",
 
 
686
                                   "  ".join(("Clients:",
 
 
690
                                              "s: Start new checker",
 
639
698
                if self.topwidget.get_focus() is self.logbox:
 
640
699
                    self.topwidget.set_focus(0)
 
642
701
                    self.topwidget.set_focus(self.logbox)
 
644
 
            #elif (key == u"end" or key == u"meta >" or key == u"G"
 
646
 
            #    pass            # xxx end-of-buffer
 
647
 
            #elif (key == u"home" or key == u"meta <" or key == u"g"
 
649
 
            #    pass            # xxx beginning-of-buffer
 
650
 
            #elif key == u"ctrl e" or key == u"$":
 
651
 
            #    pass            # xxx move-end-of-line
 
652
 
            #elif key == u"ctrl a" or key == u"^":
 
653
 
            #    pass            # xxx move-beginning-of-line
 
654
 
            #elif key == u"ctrl b" or key == u"meta (" or key == u"h":
 
656
 
            #elif key == u"ctrl f" or key == u"meta )" or key == u"l":
 
659
 
            #    pass            # scroll up log
 
661
 
            #    pass            # scroll down log
 
 
704
                if log.level < logging.INFO:
 
 
705
                    log.setLevel(logging.INFO)
 
 
706
                    log.info("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
 
662
728
            elif self.topwidget.selectable():
 
663
729
                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)
 
667
747
ui = UserInterface()
 
670
750
except KeyboardInterrupt:
 
673
 
    ui.log_message(unicode(e))
 
 
751
    with warnings.catch_warnings():
 
 
752
        warnings.filterwarnings("ignore", "", BytesWarning)
 
 
755
    with warnings.catch_warnings():
 
 
756
        warnings.filterwarnings("ignore", "", BytesWarning)