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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 © 2009,2010 Teddy Hogeborn
 
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# Copyright © 2009,2010 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 <http://www.gnu.org/licenses/>.
 
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# Contact the authors at <mandos@fukt.bsnet.se>.
 
 
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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'
 
56
 
# Always run in monochrome mode
 
57
 
urwid.curses_display.curses.has_colors = lambda : False
 
59
 
# 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.
 
61
 
urwid.curses_display.curses.A_UNDERLINE |= (
 
62
 
    urwid.curses_display.curses.A_BLINK)
 
 
63
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)
 
70
 
    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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                             int(second),            # Whole seconds
 
 
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                             int(fraction*1000000))  # Microseconds
 
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class MandosClientPropertyCache(object):
 
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    """This wraps a Mandos Client D-Bus proxy object, caches the
 
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    properties and calls a hook function when any of them are
 
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    def __init__(self, proxy_object=None, *args, **kwargs):
 
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        self.proxy = proxy_object # Mandos Client proxy object
 
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        self.properties = dict()
 
89
 
        self.proxy.connect_to_signal(u"PropertyChanged",
 
90
 
                                     self.property_changed,
 
94
 
        self.properties.update(
 
95
 
            self.proxy.GetAll(client_interface,
 
96
 
                              dbus_interface = dbus.PROPERTIES_IFACE))
 
98
 
        #XXX This break good super behaviour!
 
99
 
#        super(MandosClientPropertyCache, self).__init__(
 
102
 
    def property_changed(self, property=None, value=None):
 
103
 
        """This is called whenever we get a PropertyChanged signal
 
104
 
        It updates the changed property in the "properties" dict.
 
 
96
    def __init__(self, proxy_object=None, properties=None, **kwargs):
 
 
97
        self.proxy = proxy_object  # Mandos Client proxy object
 
 
98
        self.properties = dict() if properties is None else properties
 
 
99
        self.property_changed_match = (
 
 
100
            self.proxy.connect_to_signal("PropertiesChanged",
 
 
101
                                         self.properties_changed,
 
 
102
                                         dbus.PROPERTIES_IFACE,
 
 
105
        if properties is None:
 
 
106
            self.properties.update(self.proxy.GetAll(
 
 
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                dbus_interface=dbus.PROPERTIES_IFACE))
 
 
110
        super(MandosClientPropertyCache, self).__init__(**kwargs)
 
 
112
    def properties_changed(self, interface, properties, invalidated):
 
 
113
        """This is called whenever we get a PropertiesChanged signal
 
 
114
        It updates the changed properties in the "properties" dict.
 
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        # Update properties dict with new value
 
107
 
        self.properties[property] = value
 
 
117
        if interface == client_interface:
 
 
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            self.properties.update(properties)
 
 
121
        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,
 
115
 
                 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
 
126
 
        self._update_timer_callback_lock = 0
 
127
 
        self.last_checker_failed = False
 
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        # The widget shown normally
 
130
 
        self._text_widget = urwid.Text(u"")
 
 
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        self._text_widget = urwid.Text("")
 
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        # The widget shown when we have focus
 
132
 
        self._focus_text_widget = urwid.Text(u"")
 
133
 
        super(MandosClientWidget, self).__init__(
 
134
 
            update_hook=update_hook, delete_hook=delete_hook,
 
 
142
        self._focus_text_widget = urwid.Text("")
 
 
143
        super(MandosClientWidget, self).__init__(**kwargs)
 
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        self.opened = False
 
139
 
        last_checked_ok = isoformat_to_datetime(self.properties
 
141
 
        if last_checked_ok is None:
 
142
 
            self.last_checker_failed = True
 
144
 
            self.last_checker_failed = ((datetime.datetime.utcnow()
 
151
 
        if self.last_checker_failed:
 
152
 
            self.using_timer(True)
 
154
 
        if self.need_approval:
 
155
 
            self.using_timer(True)
 
157
 
        self.proxy.connect_to_signal(u"CheckerCompleted",
 
158
 
                                     self.checker_completed,
 
161
 
        self.proxy.connect_to_signal(u"CheckerStarted",
 
162
 
                                     self.checker_started,
 
165
 
        self.proxy.connect_to_signal(u"GotSecret",
 
169
 
        self.proxy.connect_to_signal(u"NeedApproval",
 
173
 
        self.proxy.connect_to_signal(u"Rejected",
 
178
 
    def property_changed(self, property=None, value=None):
 
179
 
        super(self, MandosClientWidget).property_changed(property,
 
181
 
        if property == u"ApprovalPending":
 
182
 
            using_timer(bool(value))
 
 
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        self.match_objects = (
 
 
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            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",
 
 
168
        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.
 
188
 
        old = self._update_timer_callback_lock
 
190
 
            self._update_timer_callback_lock += 1
 
192
 
            self._update_timer_callback_lock -= 1
 
193
 
        if old == 0 and self._update_timer_callback_lock:
 
194
 
            self._update_timer_callback_tag = (gobject.timeout_add
 
197
 
        elif old and self._update_timer_callback_lock == 0:
 
198
 
            gobject.source_remove(self._update_timer_callback_tag)
 
 
174
        if flag and self._update_timer_callback_tag is None:
 
 
175
            # Will update the shown timer value every second
 
 
176
            self._update_timer_callback_tag = (
 
 
177
                GLib.timeout_add(1000,
 
 
178
                                 glib_safely(self.update_timer)))
 
 
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        elif not (flag or self._update_timer_callback_tag is None):
 
 
180
            GLib.source_remove(self._update_timer_callback_tag)
 
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            self._update_timer_callback_tag = None
 
201
183
    def checker_completed(self, exitstatus, condition, command):
 
202
184
        if exitstatus == 0:
 
203
 
            if self.last_checker_failed:
 
204
 
                self.last_checker_failed = False
 
205
 
                self.using_timer(False)
 
206
 
            #self.logger(u'Checker for client %s (command "%s")'
 
208
 
            #            % (self.properties[u"Name"], command))
 
 
185
            log.debug('Checker for client %s (command "%s")'
 
 
186
                      " succeeded", self.properties["Name"], command)
 
212
 
        if not self.last_checker_failed:
 
213
 
            self.last_checker_failed = True
 
214
 
            self.using_timer(True)
 
215
190
        if os.WIFEXITED(condition):
 
216
 
            self.logger(u'Checker for client %s (command "%s")'
 
217
 
                        u' failed with exit code %s'
 
218
 
                        % (self.properties[u"Name"], command,
 
219
 
                           os.WEXITSTATUS(condition)))
 
 
191
            log.info('Checker for client %s (command "%s") failed'
 
 
192
                     " with exit code %d", self.properties["Name"],
 
 
193
                     command, os.WEXITSTATUS(condition))
 
220
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        elif os.WIFSIGNALED(condition):
 
221
 
            self.logger(u'Checker for client %s (command "%s")'
 
222
 
                        u' was killed by signal %s'
 
223
 
                        % (self.properties[u"Name"], command,
 
224
 
                           os.WTERMSIG(condition)))
 
225
 
        elif os.WCOREDUMP(condition):
 
226
 
            self.logger(u'Checker for client %s (command "%s")'
 
228
 
                        % (self.properties[u"Name"], command))
 
230
 
            self.logger(u'Checker for client %s completed'
 
 
195
            log.info('Checker for client %s (command "%s") was'
 
 
196
                     " killed by signal %d", self.properties["Name"],
 
 
197
                     command, os.WTERMSIG(condition))
 
234
200
    def checker_started(self, command):
 
235
 
        #self.logger(u'Client %s started checker "%s"'
 
236
 
        #            % (self.properties[u"Name"], unicode(command)))
 
 
201
        """Server signals that a checker started."""
 
 
202
        log.debug('Client %s started checker "%s"',
 
 
203
                  self.properties["Name"], command)
 
239
205
    def got_secret(self):
 
240
 
        self.last_checker_failed = False
 
241
 
        self.logger(u'Client %s received its secret'
 
242
 
                    % self.properties[u"Name"])
 
 
206
        log.info("Client %s received its secret",
 
 
207
                 self.properties["Name"])
 
244
209
    def need_approval(self, timeout, default):
 
246
 
            message = u'Client %s needs approval within %s seconds'
 
 
211
            message = "Client %s needs approval within %f seconds"
 
248
 
            message = u'Client %s will get its secret in %s seconds'
 
250
 
                    % (self.properties[u"Name"], timeout/1000))
 
251
 
        self.using_timer(True)
 
 
213
            message = "Client %s will get its secret in %f seconds"
 
 
214
        log.info(message, self.properties["Name"], timeout/1000)
 
253
216
    def rejected(self, reason):
 
254
 
        self.logger(u'Client %s was rejected; reason: %s'
 
255
 
                    % (self.properties[u"Name"], reason))
 
 
217
        log.info("Client %s was rejected; reason: %s",
 
 
218
                 self.properties["Name"], reason)
 
257
220
    def selectable(self):
 
258
221
        """Make this a "selectable" widget.
 
259
222
        This overrides the method from urwid.FlowWidget."""
 
262
 
    def rows(self, (maxcol,), focus=False):
 
 
225
    def rows(self, maxcolrow, focus=False):
 
263
226
        """How many rows this widget will occupy might depend on
 
264
227
        whether we have focus or not.
 
265
228
        This overrides the method from urwid.FlowWidget"""
 
266
 
        return self.current_widget(focus).rows((maxcol,), focus=focus)
 
 
229
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
 
268
231
    def current_widget(self, focus=False):
 
269
232
        if focus or self.opened:
 
270
233
            return self._focus_widget
 
271
234
        return self._widget
 
273
236
    def update(self):
 
274
237
        "Called when what is visible on the screen should be updated."
 
275
238
        # How to add standout mode to a style
 
276
 
        with_standout = { u"normal": u"standout",
 
277
 
                          u"bold": u"bold-standout",
 
279
 
                              u"underline-blink-standout",
 
280
 
                          u"bold-underline-blink":
 
281
 
                              u"bold-underline-blink-standout",
 
 
239
        with_standout = {"normal": "standout",
 
 
240
                         "bold": "bold-standout",
 
 
242
                         "underline-blink-standout",
 
 
243
                         "bold-underline-blink":
 
 
244
                         "bold-underline-blink-standout",
 
284
247
        # Rebuild focus and non-focus widgets using current properties
 
286
249
        # Base part of a client. Name!
 
287
 
        base = (u'%(name)s: '
 
288
 
                      % {u"name": self.properties[u"Name"]})
 
289
 
        if not self.properties[u"Enabled"]:
 
290
 
            message = u"DISABLED"
 
291
 
        elif self.properties[u"ApprovalPending"]:
 
292
 
            timeout = datetime.timedelta(milliseconds
 
 
250
        base = "{name}: ".format(name=self.properties["Name"])
 
 
251
        if not self.properties["Enabled"]:
 
 
253
            self.using_timer(False)
 
 
254
        elif self.properties["ApprovalPending"]:
 
 
255
            timeout = datetime.timedelta(
 
 
256
                milliseconds=self.properties["ApprovalDelay"])
 
295
257
            last_approval_request = isoformat_to_datetime(
 
296
 
                self.properties[u"LastApprovalRequest"])
 
 
258
                self.properties["LastApprovalRequest"])
 
297
259
            if last_approval_request is not None:
 
298
 
                timer = timeout - (datetime.datetime.utcnow()
 
299
 
                                   - last_approval_request)
 
 
260
                timer = max(timeout - (datetime.datetime.utcnow()
 
 
261
                                       - last_approval_request),
 
 
262
                            datetime.timedelta())
 
301
264
                timer = datetime.timedelta()
 
302
 
            if self.properties[u"ApprovedByDefault"]:
 
303
 
                message = u"Approval in %s. (d)eny?"
 
305
 
                message = u"Denial in %s. (a)pprove?"
 
306
 
            message = message % unicode(timer).rsplit(".", 1)[0]
 
307
 
        elif self.last_checker_failed:
 
308
 
            timeout = datetime.timedelta(milliseconds
 
311
 
            last_ok = isoformat_to_datetime(
 
312
 
                max((self.properties[u"LastCheckedOK"]
 
313
 
                     or self.properties[u"Created"]),
 
314
 
                    self.properties[u"LastEnabled"]))
 
315
 
            timer = timeout - (datetime.datetime.utcnow() - last_ok)
 
316
 
            message = (u'A checker has failed! Time until client'
 
317
 
                       u' gets disabled: %s'
 
318
 
                           % unicode(timer).rsplit(".", 1)[0])
 
 
265
            if self.properties["ApprovedByDefault"]:
 
 
266
                message = "Approval in {}. (d)eny?"
 
 
268
                message = "Denial in {}. (a)pprove?"
 
 
269
            message = message.format(str(timer).rsplit(".", 1)[0])
 
 
270
            self.using_timer(True)
 
 
271
        elif self.properties["LastCheckerStatus"] != 0:
 
 
272
            # When checker has failed, show timer until client expires
 
 
273
            expires = self.properties["Expires"]
 
 
275
                timer = datetime.timedelta(0)
 
 
277
                expires = (datetime.datetime.strptime
 
 
278
                           (expires, "%Y-%m-%dT%H:%M:%S.%f"))
 
 
279
                timer = max(expires - datetime.datetime.utcnow(),
 
 
280
                            datetime.timedelta())
 
 
281
            message = ("A checker has failed! Time until client"
 
 
283
                       .format(str(timer).rsplit(".", 1)[0]))
 
 
284
            self.using_timer(True)
 
321
 
        self._text = "%s%s" % (base, message)
 
 
287
            self.using_timer(False)
 
 
288
        self._text = "{}{}".format(base, message)
 
323
290
        if not urwid.supports_unicode():
 
324
291
            self._text = self._text.encode("ascii", "replace")
 
325
 
        textlist = [(u"normal", self._text)]
 
 
292
        textlist = [("normal", self._text)]
 
326
293
        self._text_widget.set_text(textlist)
 
327
294
        self._focus_text_widget.set_text([(with_standout[text[0]],
 
 
335
302
        # Run update hook, if any
 
336
303
        if self.update_hook is not None:
 
337
304
            self.update_hook()
 
339
306
    def update_timer(self):
 
 
307
        """called by GLib. Will indefinitely loop until
 
 
308
        GLib.source_remove() on tag is called
 
342
311
        return True             # Keep calling this
 
 
313
    def delete(self, **kwargs):
 
345
314
        if self._update_timer_callback_tag is not None:
 
346
 
            gobject.source_remove(self._update_timer_callback_tag)
 
 
315
            GLib.source_remove(self._update_timer_callback_tag)
 
347
316
            self._update_timer_callback_tag = None
 
 
317
        for match in self.match_objects:
 
 
319
        self.match_objects = ()
 
348
320
        if self.delete_hook is not None:
 
349
321
            self.delete_hook(self)
 
351
 
    def render(self, (maxcol,), focus=False):
 
 
322
        return super(MandosClientWidget, self).delete(**kwargs)
 
 
324
    def render(self, maxcolrow, focus=False):
 
352
325
        """Render differently if we have focus.
 
353
326
        This overrides the method from urwid.FlowWidget"""
 
354
 
        return self.current_widget(focus).render((maxcol,),
 
 
327
        return self.current_widget(focus).render(maxcolrow,
 
357
 
    def keypress(self, (maxcol,), key):
 
 
330
    def keypress(self, maxcolrow, key):
 
359
332
        This overrides the method from urwid.FlowWidget"""
 
361
 
            self.proxy.Enable(dbus_interface = client_interface)
 
363
 
            self.proxy.Disable(dbus_interface = client_interface)
 
 
334
            self.proxy.Set(client_interface, "Enabled",
 
 
335
                           dbus.Boolean(True), ignore_reply=True,
 
 
336
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
 
338
            self.proxy.Set(client_interface, "Enabled", False,
 
 
340
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
365
342
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
 
366
 
                               dbus_interface = client_interface)
 
 
343
                               dbus_interface=client_interface,
 
368
346
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
 
369
 
                                  dbus_interface = client_interface)
 
370
 
        elif key == u"R" or key == u"_" or key == u"ctrl k":
 
 
347
                               dbus_interface=client_interface,
 
 
349
        elif key == "R" or key == "_" or key == "ctrl k":
 
371
350
            self.server_proxy_object.RemoveClient(self.proxy
 
374
 
            self.proxy.StartChecker(dbus_interface = client_interface)
 
376
 
            self.proxy.StopChecker(dbus_interface = client_interface)
 
378
 
            self.proxy.CheckedOK(dbus_interface = client_interface)
 
 
354
            self.proxy.Set(client_interface, "CheckerRunning",
 
 
355
                           dbus.Boolean(True), ignore_reply=True,
 
 
356
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
 
358
            self.proxy.Set(client_interface, "CheckerRunning",
 
 
359
                           dbus.Boolean(False), ignore_reply=True,
 
 
360
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
 
362
            self.proxy.CheckedOK(dbus_interface=client_interface,
 
380
 
#         elif key == u"p" or key == "=":
 
 
365
#         elif key == "p" or key == "=":
 
381
366
#             self.proxy.pause()
 
382
 
#         elif key == u"u" or key == ":":
 
 
367
#         elif key == "u" or key == ":":
 
383
368
#             self.proxy.unpause()
 
384
 
#         elif key == u"RET":
 
389
 
    def property_changed(self, property=None, value=None,
 
391
 
        """Call self.update() if old value is not new value.
 
 
374
    def properties_changed(self, interface, properties, invalidated):
 
 
375
        """Call self.update() if any properties changed.
 
392
376
        This overrides the method from MandosClientPropertyCache"""
 
393
 
        property_name = unicode(property)
 
394
 
        old_value = self.properties.get(property_name)
 
395
 
        super(MandosClientWidget, self).property_changed(
 
396
 
            property=property, value=value, *args, **kwargs)
 
397
 
        if self.properties.get(property_name) != old_value:
 
 
377
        old_values = {key: self.properties.get(key)
 
 
378
                      for key in properties.keys()}
 
 
379
        super(MandosClientWidget, self).properties_changed(
 
 
380
            interface, properties, invalidated)
 
 
381
        if any(old_values[key] != self.properties.get(key)
 
 
382
               for key in old_values):
 
 
386
def glib_safely(func, retval=True):
 
 
387
    def safe_func(*args, **kwargs):
 
 
389
            return func(*args, **kwargs)
 
401
396
class ConstrainedListBox(urwid.ListBox):
 
402
397
    """Like a normal urwid.ListBox, but will consume all "up" or
 
403
398
    "down" key presses, thus not allowing any containing widgets to
 
404
399
    use them as an excuse to shift focus away from this widget.
 
406
 
    def keypress(self, (maxcol, maxrow), key):
 
407
 
        ret = super(ConstrainedListBox, self).keypress((maxcol,
 
409
 
        if ret in (u"up", u"down"):
 
 
401
    def keypress(self, *args, **kwargs):
 
 
402
        ret = (super(ConstrainedListBox, self)
 
 
403
               .keypress(*args, **kwargs))
 
 
404
        if ret in ("up", "down"):
 
 
418
413
    def __init__(self, max_log_length=1000):
 
419
414
        DBusGMainLoop(set_as_default=True)
 
421
416
        self.screen = urwid.curses_display.Screen()
 
423
418
        self.screen.register_palette((
 
425
 
                 u"default", u"default", None),
 
427
 
                 u"default", u"default", u"bold"),
 
429
 
                 u"default", u"default", u"underline"),
 
431
 
                 u"default", u"default", u"standout"),
 
432
 
                (u"bold-underline-blink",
 
433
 
                 u"default", u"default", (u"bold", u"underline")),
 
435
 
                 u"default", u"default", (u"bold", u"standout")),
 
436
 
                (u"underline-blink-standout",
 
437
 
                 u"default", u"default", (u"underline", u"standout")),
 
438
 
                (u"bold-underline-blink-standout",
 
439
 
                 u"default", u"default", (u"bold", u"underline",
 
 
420
                 "default", "default", None),
 
 
422
                 "bold", "default", "bold"),
 
 
424
                 "underline,blink", "default", "underline,blink"),
 
 
426
                 "standout", "default", "standout"),
 
 
427
                ("bold-underline-blink",
 
 
428
                 "bold,underline,blink", "default",
 
 
429
                 "bold,underline,blink"),
 
 
431
                 "bold,standout", "default", "bold,standout"),
 
 
432
                ("underline-blink-standout",
 
 
433
                 "underline,blink,standout", "default",
 
 
434
                 "underline,blink,standout"),
 
 
435
                ("bold-underline-blink-standout",
 
 
436
                 "bold,underline,blink,standout", "default",
 
 
437
                 "bold,underline,blink,standout"),
 
443
440
        if urwid.supports_unicode():
 
444
 
            self.divider = u"─" # \u2500
 
445
 
            #self.divider = u"━" # \u2501
 
 
441
            self.divider = "─"  # \u2500
 
447
 
            #self.divider = u"-" # \u002d
 
448
 
            self.divider = u"_" # \u005f
 
 
443
            self.divider = "_"  # \u005f
 
450
445
        self.screen.start()
 
452
447
        self.size = self.screen.get_cols_rows()
 
454
449
        self.clients = urwid.SimpleListWalker([])
 
455
450
        self.clients_dict = {}
 
457
452
        # We will add Text widgets to this list
 
 
453
        self.log = urwid.SimpleListWalker([])
 
459
454
        self.max_log_length = max_log_length
 
461
456
        # We keep a reference to the log widget so we can remove it
 
462
457
        # from the ListWalker without it getting destroyed
 
463
458
        self.logbox = ConstrainedListBox(self.log)
 
465
460
        # This keeps track of whether self.uilist currently has
 
466
461
        # self.logbox in it or not
 
467
462
        self.log_visible = True
 
468
 
        self.log_wrap = u"any"
 
 
463
        self.log_wrap = "any"
 
 
465
        self.loghandler = UILogHandler(self)
 
471
 
        self.log_message_raw((u"bold",
 
472
 
                              u"Mandos Monitor version " + version))
 
473
 
        self.log_message_raw((u"bold",
 
476
 
        self.busname = domain + '.Mandos'
 
477
 
        self.main_loop = gobject.MainLoop()
 
478
 
        self.bus = dbus.SystemBus()
 
479
 
        mandos_dbus_objc = self.bus.get_object(
 
480
 
            self.busname, u"/", follow_name_owner_changes=True)
 
481
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
485
 
            mandos_clients = (self.mandos_serv
 
486
 
                              .GetAllClientsWithProperties())
 
487
 
        except dbus.exceptions.DBusException:
 
488
 
            mandos_clients = dbus.Dictionary()
 
491
 
         .connect_to_signal(u"ClientRemoved",
 
492
 
                            self.find_and_remove_client,
 
493
 
                            dbus_interface=server_interface,
 
496
 
         .connect_to_signal(u"ClientAdded",
 
498
 
                            dbus_interface=server_interface,
 
501
 
         .connect_to_signal(u"ClientNotFound",
 
502
 
                            self.client_not_found,
 
503
 
                            dbus_interface=server_interface,
 
505
 
        for path, client in mandos_clients.iteritems():
 
506
 
            client_proxy_object = self.bus.get_object(self.busname,
 
508
 
            self.add_client(MandosClientWidget(server_proxy_object
 
511
 
                                               =client_proxy_object,
 
521
 
    def client_not_found(self, fingerprint, address):
 
522
 
        self.log_message((u"Client with address %s and fingerprint %s"
 
523
 
                          u" could not be found" % (address,
 
 
468
        self.add_log_line(("bold",
 
 
469
                           "Mandos Monitor version " + version))
 
 
470
        self.add_log_line(("bold", "q: Quit  ?: Help"))
 
 
472
        self.busname = domain + ".Mandos"
 
 
473
        self.main_loop = GLib.MainLoop()
 
 
475
    def client_not_found(self, key_id, address):
 
 
476
        log.info("Client with address %s and key ID %s could"
 
 
477
                 " not be found", address, key_id)
 
526
479
    def rebuild(self):
 
527
480
        """This rebuilds the User Interface.
 
528
481
        Call this when the widget layout needs to change"""
 
530
 
        #self.uilist.append(urwid.ListBox(self.clients))
 
 
483
        # self.uilist.append(urwid.ListBox(self.clients))
 
531
484
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
 
533
 
                                       #header=urwid.Divider(),
 
 
486
                                       # header=urwid.Divider(),
 
536
 
                                       urwid.Divider(div_char=
 
 
488
                                       footer=urwid.Divider(
 
 
489
                                           div_char=self.divider)))
 
538
490
        if self.log_visible:
 
539
491
            self.uilist.append(self.logbox)
 
541
492
        self.topwidget = urwid.Pile(self.uilist)
 
543
 
    def log_message(self, message):
 
544
 
        timestamp = datetime.datetime.now().isoformat()
 
545
 
        self.log_message_raw(timestamp + u": " + message)
 
547
 
    def log_message_raw(self, markup):
 
548
 
        """Add a log message to the log buffer."""
 
 
494
    def add_log_line(self, markup):
 
549
495
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
 
550
 
        if (self.max_log_length
 
551
 
            and len(self.log) > self.max_log_length):
 
552
 
            del self.log[0:len(self.log)-self.max_log_length-1]
 
553
 
        self.logbox.set_focus(len(self.logbox.body.contents),
 
554
 
                              coming_from=u"above")
 
 
496
        if self.max_log_length:
 
 
497
            if len(self.log) > self.max_log_length:
 
 
498
                del self.log[0:(len(self.log) - self.max_log_length)]
 
 
499
        self.logbox.set_focus(len(self.logbox.body.contents)-1,
 
557
503
    def toggle_log_display(self):
 
558
504
        """Toggle visibility of the log buffer."""
 
559
505
        self.log_visible = not self.log_visible
 
561
 
        #self.log_message(u"Log visibility changed to: "
 
562
 
        #                 + unicode(self.log_visible))
 
 
507
        log.debug("Log visibility changed to: %s", self.log_visible)
 
564
509
    def change_log_display(self):
 
565
510
        """Change type of log display.
 
566
511
        Currently, this toggles wrapping of text lines."""
 
567
 
        if self.log_wrap == u"clip":
 
568
 
            self.log_wrap = u"any"
 
 
512
        if self.log_wrap == "clip":
 
 
513
            self.log_wrap = "any"
 
570
 
            self.log_wrap = u"clip"
 
 
515
            self.log_wrap = "clip"
 
571
516
        for textwidget in self.log:
 
572
517
            textwidget.set_wrap_mode(self.log_wrap)
 
573
 
        #self.log_message(u"Wrap mode: " + self.log_wrap)
 
575
 
    def find_and_remove_client(self, path, name):
 
576
 
        """Find an client from its object path and remove it.
 
578
 
        This is connected to the ClientRemoved signal from the
 
 
518
        log.debug("Wrap mode: %s", self.log_wrap)
 
 
520
    def find_and_remove_client(self, path, interfaces):
 
 
521
        """Find a client by its object path and remove it.
 
 
523
        This is connected to the InterfacesRemoved signal from the
 
579
524
        Mandos server object."""
 
 
525
        if client_interface not in interfaces:
 
 
526
            # Not a Mandos client object; ignore
 
581
529
            client = self.clients_dict[path]
 
585
 
        self.remove_client(client, path)
 
587
 
    def add_new_client(self, path):
 
 
532
            log.warning("Unknown client %s removed", path)
 
 
536
    def add_new_client(self, path, ifs_and_props):
 
 
537
        """Find a client by its object path and remove it.
 
 
539
        This is connected to the InterfacesAdded signal from the
 
 
540
        Mandos server object.
 
 
542
        if client_interface not in ifs_and_props:
 
 
543
            # Not a Mandos client object; ignore
 
588
545
        client_proxy_object = self.bus.get_object(self.busname, path)
 
589
 
        self.add_client(MandosClientWidget(server_proxy_object
 
592
 
                                           =client_proxy_object,
 
 
546
        self.add_client(MandosClientWidget(
 
 
547
            server_proxy_object=self.mandos_serv,
 
 
548
            proxy_object=client_proxy_object,
 
 
549
            update_hook=self.refresh,
 
 
550
            delete_hook=self.remove_client,
 
 
551
            properties=dict(ifs_and_props[client_interface])),
 
601
554
    def add_client(self, client, path=None):
 
602
555
        self.clients.append(client)
 
604
557
            path = client.proxy.object_path
 
605
558
        self.clients_dict[path] = client
 
606
 
        self.clients.sort(None, lambda c: c.properties[u"Name"])
 
 
559
        self.clients.sort(key=lambda c: c.properties["Name"])
 
609
562
    def remove_client(self, client, path=None):
 
610
563
        self.clients.remove(client)
 
612
565
            path = client.proxy.object_path
 
613
566
        del self.clients_dict[path]
 
614
 
        if not self.clients_dict:
 
615
 
            # Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
 
616
 
            # is completely emptied, we need to recreate it.
 
617
 
            self.clients = urwid.SimpleListWalker([])
 
621
569
    def refresh(self):
 
622
570
        """Redraw the screen"""
 
623
571
        canvas = self.topwidget.render(self.size, focus=True)
 
624
572
        self.screen.draw_screen(self.size, canvas)
 
627
575
        """Start the main loop and exit when it's done."""
 
 
576
        log.addHandler(self.loghandler)
 
 
577
        self.orig_log_propagate = log.propagate
 
 
578
        log.propagate = False
 
 
579
        self.orig_log_level = log.level
 
 
581
        self.bus = dbus.SystemBus()
 
 
582
        mandos_dbus_objc = self.bus.get_object(
 
 
583
            self.busname, "/", follow_name_owner_changes=True)
 
 
584
        self.mandos_serv = dbus.Interface(
 
 
585
            mandos_dbus_objc, dbus_interface=server_interface)
 
 
587
            mandos_clients = (self.mandos_serv
 
 
588
                              .GetAllClientsWithProperties())
 
 
589
            if not mandos_clients:
 
 
590
                log.warning("Note: Server has no clients.")
 
 
591
        except dbus.exceptions.DBusException:
 
 
592
            log.warning("Note: No Mandos server running.")
 
 
593
            mandos_clients = dbus.Dictionary()
 
 
596
         .connect_to_signal("InterfacesRemoved",
 
 
597
                            self.find_and_remove_client,
 
 
598
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
 
 
601
         .connect_to_signal("InterfacesAdded",
 
 
603
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
 
 
606
         .connect_to_signal("ClientNotFound",
 
 
607
                            self.client_not_found,
 
 
608
                            dbus_interface=server_interface,
 
 
610
        for path, client in mandos_clients.items():
 
 
611
            client_proxy_object = self.bus.get_object(self.busname,
 
 
613
            self.add_client(MandosClientWidget(
 
 
614
                server_proxy_object=self.mandos_serv,
 
 
615
                proxy_object=client_proxy_object,
 
 
617
                update_hook=self.refresh,
 
 
618
                delete_hook=self.remove_client),
 
629
 
        self._input_callback_tag = (gobject.io_add_watch
 
 
622
        self._input_callback_tag = (
 
 
624
                GLib.IOChannel.unix_new(sys.stdin.fileno()),
 
 
625
                GLib.PRIORITY_DEFAULT, GLib.IO_IN,
 
 
626
                glib_safely(self.process_input)))
 
633
627
        self.main_loop.run()
 
634
628
        # Main loop has finished, we should close everything now
 
635
 
        gobject.source_remove(self._input_callback_tag)
 
 
629
        GLib.source_remove(self._input_callback_tag)
 
 
630
        with warnings.catch_warnings():
 
 
631
            warnings.simplefilter("ignore", BytesWarning)
 
639
635
        self.main_loop.quit()
 
 
636
        log.removeHandler(self.loghandler)
 
 
637
        log.propagate = self.orig_log_propagate
 
641
639
    def process_input(self, source, condition):
 
642
640
        keys = self.screen.get_input()
 
643
 
        translations = { u"ctrl n": u"down",      # Emacs
 
644
 
                         u"ctrl p": u"up",        # Emacs
 
645
 
                         u"ctrl v": u"page down", # Emacs
 
646
 
                         u"meta v": u"page up",   # Emacs
 
647
 
                         u" ": u"page down",      # less
 
648
 
                         u"f": u"page down",      # less
 
649
 
                         u"b": u"page up",        # less
 
 
641
        translations = {"ctrl n": "down",       # Emacs
 
 
642
                        "ctrl p": "up",         # Emacs
 
 
643
                        "ctrl v": "page down",  # Emacs
 
 
644
                        "meta v": "page up",    # Emacs
 
 
645
                        " ": "page down",       # less
 
 
646
                        "f": "page down",       # less
 
 
647
                        "b": "page up",         # less
 
655
653
                key = translations[key]
 
656
654
            except KeyError:    # :-)
 
659
 
            if key == u"q" or key == u"Q":
 
 
657
            if key == "q" or key == "Q":
 
662
 
            elif key == u"window resize":
 
 
660
            elif key == "window resize":
 
663
661
                self.size = self.screen.get_cols_rows()
 
665
 
            elif key == u"\f":  # Ctrl-L
 
 
663
            elif key == "ctrl l":
 
667
 
            elif key == u"l" or key == u"D":
 
 
666
            elif key == "l" or key == "D":
 
668
667
                self.toggle_log_display()
 
670
 
            elif key == u"w" or key == u"i":
 
 
669
            elif key == "w" or key == "i":
 
671
670
                self.change_log_display()
 
673
 
            elif key == u"?" or key == u"f1" or key == u"esc":
 
 
672
            elif key == "?" or key == "f1" or key == "esc":
 
674
673
                if not self.log_visible:
 
675
674
                    self.log_visible = True
 
677
 
                self.log_message_raw((u"bold",
 
681
 
                                            u"l: Log window toggle",
 
682
 
                                            u"TAB: Switch window",
 
684
 
                self.log_message_raw((u"bold",
 
690
 
                                             u"s: Start new checker",
 
 
676
                self.add_log_line(("bold",
 
 
679
                                              "l: Log window toggle",
 
 
680
                                              "TAB: Switch window",
 
 
681
                                              "w: Wrap (log lines)",
 
 
682
                                              "v: Toggle verbose log",
 
 
684
                self.add_log_line(("bold",
 
 
685
                                   "  ".join(("Clients:",
 
 
689
                                              "s: Start new checker",
 
697
697
                if self.topwidget.get_focus() is self.logbox:
 
698
698
                    self.topwidget.set_focus(0)
 
700
700
                    self.topwidget.set_focus(self.logbox)
 
702
 
            #elif (key == u"end" or key == u"meta >" or key == u"G"
 
704
 
            #    pass            # xxx end-of-buffer
 
705
 
            #elif (key == u"home" or key == u"meta <" or key == u"g"
 
707
 
            #    pass            # xxx beginning-of-buffer
 
708
 
            #elif key == u"ctrl e" or key == u"$":
 
709
 
            #    pass            # xxx move-end-of-line
 
710
 
            #elif key == u"ctrl a" or key == u"^":
 
711
 
            #    pass            # xxx move-beginning-of-line
 
712
 
            #elif key == u"ctrl b" or key == u"meta (" or key == u"h":
 
714
 
            #elif key == u"ctrl f" or key == u"meta )" or key == u"l":
 
717
 
            #    pass            # scroll up log
 
719
 
            #    pass            # scroll down log
 
 
703
                if log.level < logging.INFO:
 
 
704
                    log.setLevel(logging.INFO)
 
 
705
                    log.info("Verbose mode: Off")
 
 
707
                    log.setLevel(logging.NOTSET)
 
 
708
                    log.info("Verbose mode: On")
 
 
709
            # elif (key == "end" or key == "meta >" or key == "G"
 
 
711
            #     pass            # xxx end-of-buffer
 
 
712
            # elif (key == "home" or key == "meta <" or key == "g"
 
 
714
            #     pass            # xxx beginning-of-buffer
 
 
715
            # elif key == "ctrl e" or key == "$":
 
 
716
            #     pass            # xxx move-end-of-line
 
 
717
            # elif key == "ctrl a" or key == "^":
 
 
718
            #     pass            # xxx move-beginning-of-line
 
 
719
            # elif key == "ctrl b" or key == "meta (" or key == "h":
 
 
721
            # elif key == "ctrl f" or key == "meta )" or key == "l":
 
 
724
            #     pass            # scroll up log
 
 
726
            #     pass            # scroll down log
 
720
727
            elif self.topwidget.selectable():
 
721
728
                self.topwidget.keypress(self.size, key)
 
 
733
class UILogHandler(logging.Handler):
 
 
734
    def __init__(self, ui, *args, **kwargs):
 
 
736
        super(UILogHandler, self).__init__(*args, **kwargs)
 
 
738
            logging.Formatter("%(asctime)s: %(message)s"))
 
 
739
    def emit(self, record):
 
 
740
        msg = self.format(record)
 
 
741
        if record.levelno > logging.INFO:
 
 
743
        self.ui.add_log_line(msg)
 
725
746
ui = UserInterface()
 
728
749
except KeyboardInterrupt:
 
731
 
    ui.log_message(unicode(e))
 
 
750
    with warnings.catch_warnings():
 
 
751
        warnings.filterwarnings("ignore", "", BytesWarning)
 
 
754
    with warnings.catch_warnings():
 
 
755
        warnings.filterwarnings("ignore", "", BytesWarning)