15
42
from dbus.mainloop.glib import DBusGMainLoop
 
 
43
from gi.repository import GLib
 
24
 
locale.setlocale(locale.LC_ALL, u'')
 
 
51
if sys.version_info.major == 2:
 
 
54
locale.setlocale(locale.LC_ALL, '')
 
27
56
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
 
29
58
# Some useful constants
 
30
 
domain = 'se.bsnet.fukt'
 
 
59
domain = 'se.recompile'
 
31
60
server_interface = domain + '.Mandos'
 
32
61
client_interface = domain + '.Mandos.Client'
 
35
 
# Always run in monochrome mode
 
36
 
urwid.curses_display.curses.has_colors = lambda : False
 
38
 
# Urwid doesn't support blinking, but we want it.  Since we have no
 
39
 
# use for underline on its own, we make underline also always blink.
 
40
 
urwid.curses_display.curses.A_UNDERLINE |= (
 
41
 
    urwid.curses_display.curses.A_BLINK)
 
 
65
    dbus.OBJECT_MANAGER_IFACE
 
 
66
except AttributeError:
 
 
67
    dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
 
43
70
def isoformat_to_datetime(iso):
 
44
71
    "Parse an ISO 8601 date string to a datetime.datetime()"
 
47
 
    d, t = iso.split(u"T", 1)
 
48
 
    year, month, day = d.split(u"-", 2)
 
49
 
    hour, minute, second = t.split(u":", 2)
 
 
74
    d, t = iso.split("T", 1)
 
 
75
    year, month, day = d.split("-", 2)
 
 
76
    hour, minute, second = t.split(":", 2)
 
50
77
    second, fraction = divmod(float(second), 1)
 
51
78
    return datetime.datetime(int(year),
 
56
 
                             int(second),           # Whole seconds
 
57
 
                             int(fraction*1000000)) # Microseconds
 
 
83
                             int(second),            # Whole seconds
 
 
84
                             int(fraction*1000000))  # Microseconds
 
59
87
class MandosClientPropertyCache(object):
 
60
88
    """This wraps a Mandos Client D-Bus proxy object, caches the
 
61
89
    properties and calls a hook function when any of them are
 
64
 
    def __init__(self, proxy_object=None, *args, **kwargs):
 
65
 
        self.proxy = proxy_object # Mandos Client proxy object
 
67
 
        self.properties = dict()
 
68
 
        self.proxy.connect_to_signal(u"PropertyChanged",
 
69
 
                                     self.property_changed,
 
73
 
        self.properties.update(
 
74
 
            self.proxy.GetAll(client_interface,
 
75
 
                              dbus_interface = dbus.PROPERTIES_IFACE))
 
77
 
        #XXX This break good super behaviour!
 
78
 
#        super(MandosClientPropertyCache, self).__init__(
 
81
 
    def property_changed(self, property=None, value=None):
 
82
 
        """This is called whenever we get a PropertyChanged signal
 
83
 
        It updates the changed property in the "properties" dict.
 
 
92
    def __init__(self, proxy_object=None, properties=None, **kwargs):
 
 
93
        self.proxy = proxy_object  # Mandos Client proxy object
 
 
94
        self.properties = dict() if properties is None else properties
 
 
95
        self.property_changed_match = (
 
 
96
            self.proxy.connect_to_signal("PropertiesChanged",
 
 
97
                                         self.properties_changed,
 
 
98
                                         dbus.PROPERTIES_IFACE,
 
 
101
        if properties is None:
 
 
102
            self.properties.update(self.proxy.GetAll(
 
 
104
                dbus_interface=dbus.PROPERTIES_IFACE))
 
 
106
        super(MandosClientPropertyCache, self).__init__(**kwargs)
 
 
108
    def properties_changed(self, interface, properties, invalidated):
 
 
109
        """This is called whenever we get a PropertiesChanged signal
 
 
110
        It updates the changed properties in the "properties" dict.
 
85
112
        # Update properties dict with new value
 
86
 
        self.properties[property] = value
 
 
113
        if interface == client_interface:
 
 
114
            self.properties.update(properties)
 
 
117
        self.property_changed_match.remove()
 
89
120
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
 
90
121
    """A Mandos Client which is visible on the screen.
 
93
124
    def __init__(self, server_proxy_object=None, update_hook=None,
 
94
 
                 delete_hook=None, logger=None, *args, **kwargs):
 
 
125
                 delete_hook=None, logger=None, **kwargs):
 
95
126
        # Called on update
 
96
127
        self.update_hook = update_hook
 
97
128
        # Called on delete
 
 
100
131
        self.server_proxy_object = server_proxy_object
 
102
133
        self.logger = logger
 
104
135
        self._update_timer_callback_tag = None
 
105
 
        self.last_checker_failed = False
 
107
137
        # The widget shown normally
 
108
 
        self._text_widget = urwid.Text(u"")
 
 
138
        self._text_widget = urwid.Text("")
 
109
139
        # 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,
 
 
140
        self._focus_text_widget = urwid.Text("")
 
 
141
        super(MandosClientWidget, self).__init__(**kwargs)
 
115
143
        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()
 
145
 
                                         self.properties["interval"]))
 
146
 
        if self.last_checker_failed:
 
147
 
            self._update_timer_callback_tag = (gobject.timeout_add
 
 
145
        self.match_objects = (
 
 
146
            self.proxy.connect_to_signal("CheckerCompleted",
 
 
147
                                         self.checker_completed,
 
 
150
            self.proxy.connect_to_signal("CheckerStarted",
 
 
151
                                         self.checker_started,
 
 
154
            self.proxy.connect_to_signal("GotSecret",
 
 
158
            self.proxy.connect_to_signal("NeedApproval",
 
 
162
            self.proxy.connect_to_signal("Rejected",
 
 
166
        self.logger('Created client {}'
 
 
167
                    .format(self.properties["Name"]), level=0)
 
 
169
    def using_timer(self, flag):
 
 
170
        """Call this method with True or False when timer should be
 
 
171
        activated or deactivated.
 
 
173
        if flag and self._update_timer_callback_tag is None:
 
 
174
            # Will update the shown timer value every second
 
 
175
            self._update_timer_callback_tag = (GLib.timeout_add
 
149
177
                                                self.update_timer))
 
 
178
        elif not (flag or self._update_timer_callback_tag is None):
 
 
179
            GLib.source_remove(self._update_timer_callback_tag)
 
 
180
            self._update_timer_callback_tag = None
 
151
182
    def checker_completed(self, exitstatus, condition, command):
 
152
183
        if exitstatus == 0:
 
153
 
            if self.last_checker_failed:
 
154
 
                self.last_checker_failed = False
 
155
 
                gobject.source_remove(self._update_timer_callback_tag)
 
156
 
                self._update_timer_callback_tag = None
 
157
 
            self.logger(u'Checker for client %s (command "%s")'
 
159
 
                        % (self.properties[u"name"], command))
 
 
184
            self.logger('Checker for client {} (command "{}")'
 
 
185
                        ' succeeded'.format(self.properties["Name"],
 
163
 
        if not self.last_checker_failed:
 
164
 
            self.last_checker_failed = True
 
165
 
            self._update_timer_callback_tag = (gobject.timeout_add
 
168
190
        if os.WIFEXITED(condition):
 
169
 
            self.logger(u'Checker for client %s (command "%s")'
 
170
 
                        u' failed with exit code %s'
 
171
 
                        % (self.properties[u"name"], command,
 
172
 
                           os.WEXITSTATUS(condition)))
 
 
191
            self.logger('Checker for client {} (command "{}") failed'
 
 
193
                        .format(self.properties["Name"], command,
 
 
194
                                os.WEXITSTATUS(condition)))
 
173
195
        elif os.WIFSIGNALED(condition):
 
174
 
            self.logger(u'Checker for client %s (command "%s")'
 
175
 
                        u' was killed by signal %s'
 
176
 
                        % (self.properties[u"name"], command,
 
177
 
                           os.WTERMSIG(condition)))
 
178
 
        elif os.WCOREDUMP(condition):
 
179
 
            self.logger(u'Checker for client %s (command "%s")'
 
181
 
                        % (self.properties[u"name"], command))
 
183
 
            self.logger(u'Checker for client %s completed mysteriously')
 
 
196
            self.logger('Checker for client {} (command "{}") was'
 
 
197
                        ' killed by signal {}'
 
 
198
                        .format(self.properties["Name"], command,
 
 
199
                                os.WTERMSIG(condition)))
 
186
202
    def checker_started(self, command):
 
187
 
        #self.logger(u'Client %s started checker "%s"'
 
188
 
        #            % (self.properties[u"name"], unicode(command)))
 
 
203
        """Server signals that a checker started."""
 
 
204
        self.logger('Client {} started checker "{}"'
 
 
205
                    .format(self.properties["Name"],
 
191
208
    def got_secret(self):
 
192
 
        self.logger(u'Client %s received its secret'
 
193
 
                    % self.properties[u"name"])
 
 
209
        self.logger('Client {} received its secret'
 
 
210
                    .format(self.properties["Name"]))
 
195
212
    def need_approval(self, timeout, default):
 
197
 
            message = u'Client %s needs approval within %s seconds'
 
 
214
            message = 'Client {} needs approval within {} seconds'
 
199
 
            message = u'Client %s will get its secret in %s seconds'
 
201
 
                    % (self.properties[u"name"], timeout/1000))
 
 
216
            message = 'Client {} will get its secret in {} seconds'
 
 
217
        self.logger(message.format(self.properties["Name"],
 
203
220
    def rejected(self, reason):
 
204
 
        self.logger(u'Client %s was rejected; reason: %s'
 
205
 
                    % (self.properties[u"name"], reason))
 
 
221
        self.logger('Client {} was rejected; reason: {}'
 
 
222
                    .format(self.properties["Name"], reason))
 
207
224
    def selectable(self):
 
208
225
        """Make this a "selectable" widget.
 
209
226
        This overrides the method from urwid.FlowWidget."""
 
212
 
    def rows(self, (maxcol,), focus=False):
 
 
229
    def rows(self, maxcolrow, focus=False):
 
213
230
        """How many rows this widget will occupy might depend on
 
214
231
        whether we have focus or not.
 
215
232
        This overrides the method from urwid.FlowWidget"""
 
216
 
        return self.current_widget(focus).rows((maxcol,), focus=focus)
 
 
233
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
 
218
235
    def current_widget(self, focus=False):
 
219
236
        if focus or self.opened:
 
220
237
            return self._focus_widget
 
221
238
        return self._widget
 
223
240
    def update(self):
 
224
241
        "Called when what is visible on the screen should be updated."
 
225
242
        # How to add standout mode to a style
 
226
 
        with_standout = { u"normal": u"standout",
 
227
 
                          u"bold": u"bold-standout",
 
229
 
                              u"underline-blink-standout",
 
230
 
                          u"bold-underline-blink":
 
231
 
                              u"bold-underline-blink-standout",
 
 
243
        with_standout = {"normal": "standout",
 
 
244
                         "bold": "bold-standout",
 
 
246
                         "underline-blink-standout",
 
 
247
                         "bold-underline-blink":
 
 
248
                         "bold-underline-blink-standout",
 
234
251
        # Rebuild focus and non-focus widgets using current properties
 
236
253
        # Base part of a client. Name!
 
237
 
        base = (u'%(name)s: '
 
238
 
                      % {u"name": self.properties[u"name"]})
 
239
 
        if not self.properties[u"enabled"]:
 
240
 
            message = u"DISABLED"
 
241
 
        elif self.last_checker_failed:
 
242
 
            timeout = datetime.timedelta(milliseconds
 
243
 
                                         = self.properties[u"timeout"])
 
244
 
            last_ok = isoformat_to_datetime(
 
245
 
                max((self.properties["last_checked_ok"]
 
246
 
                     or self.properties["created"]),
 
247
 
                    self.properties[u"last_enabled"]))
 
248
 
            timer = timeout - (datetime.datetime.utcnow() - last_ok)
 
 
254
        base = '{name}: '.format(name=self.properties["Name"])
 
 
255
        if not self.properties["Enabled"]:
 
 
257
            self.using_timer(False)
 
 
258
        elif self.properties["ApprovalPending"]:
 
 
259
            timeout = datetime.timedelta(
 
 
260
                milliseconds=self.properties["ApprovalDelay"])
 
 
261
            last_approval_request = isoformat_to_datetime(
 
 
262
                self.properties["LastApprovalRequest"])
 
 
263
            if last_approval_request is not None:
 
 
264
                timer = max(timeout - (datetime.datetime.utcnow()
 
 
265
                                       - last_approval_request),
 
 
266
                            datetime.timedelta())
 
 
268
                timer = datetime.timedelta()
 
 
269
            if self.properties["ApprovedByDefault"]:
 
 
270
                message = "Approval in {}. (d)eny?"
 
 
272
                message = "Denial in {}. (a)pprove?"
 
 
273
            message = message.format(str(timer).rsplit(".", 1)[0])
 
 
274
            self.using_timer(True)
 
 
275
        elif self.properties["LastCheckerStatus"] != 0:
 
 
276
            # When checker has failed, show timer until client expires
 
 
277
            expires = self.properties["Expires"]
 
 
279
                timer = datetime.timedelta(0)
 
 
281
                expires = (datetime.datetime.strptime
 
 
282
                           (expires, '%Y-%m-%dT%H:%M:%S.%f'))
 
 
283
                timer = max(expires - datetime.datetime.utcnow(),
 
 
284
                            datetime.timedelta())
 
 
285
            message = ('A checker has failed! Time until client'
 
 
287
                       .format(str(timer).rsplit(".", 1)[0]))
 
 
288
            self.using_timer(True)
 
 
291
            self.using_timer(False)
 
 
292
        self._text = "{}{}".format(base, message)
 
250
 
            message = (u'A checker has failed! Time until client gets diabled: %s'
 
252
 
        elif self.properties[u"approved_pending"]:
 
253
 
            if self.properties[u"approved_by_default"]:
 
254
 
                message = u"Connection established to client. (d)eny?"
 
256
 
                message = u"Seeks approval to send secret. (a)pprove?"
 
259
 
        self._text = "%s%s" % (base, message)
 
261
294
        if not urwid.supports_unicode():
 
262
295
            self._text = self._text.encode("ascii", "replace")
 
263
 
        textlist = [(u"normal", self._text)]
 
 
296
        textlist = [("normal", self._text)]
 
264
297
        self._text_widget.set_text(textlist)
 
265
298
        self._focus_text_widget.set_text([(with_standout[text[0]],
 
 
273
306
        # Run update hook, if any
 
274
307
        if self.update_hook is not None:
 
275
308
            self.update_hook()
 
277
310
    def update_timer(self):
 
 
311
        """called by GLib. Will indefinitely loop until
 
 
312
        GLib.source_remove() on tag is called
 
280
315
        return True             # Keep calling this
 
 
317
    def delete(self, **kwargs):
 
283
318
        if self._update_timer_callback_tag is not None:
 
284
 
            gobject.source_remove(self._update_timer_callback_tag)
 
 
319
            GLib.source_remove(self._update_timer_callback_tag)
 
285
320
            self._update_timer_callback_tag = None
 
 
321
        for match in self.match_objects:
 
 
323
        self.match_objects = ()
 
286
324
        if self.delete_hook is not None:
 
287
325
            self.delete_hook(self)
 
289
 
    def render(self, (maxcol,), focus=False):
 
 
326
        return super(MandosClientWidget, self).delete(**kwargs)
 
 
328
    def render(self, maxcolrow, focus=False):
 
290
329
        """Render differently if we have focus.
 
291
330
        This overrides the method from urwid.FlowWidget"""
 
292
 
        return self.current_widget(focus).render((maxcol,),
 
 
331
        return self.current_widget(focus).render(maxcolrow,
 
295
 
    def keypress(self, (maxcol,), key):
 
 
334
    def keypress(self, maxcolrow, key):
 
297
336
        This overrides the method from urwid.FlowWidget"""
 
299
 
            self.proxy.Enable(dbus_interface = client_interface)
 
301
 
            self.proxy.Disable(dbus_interface = client_interface)
 
 
338
            self.proxy.Set(client_interface, "Enabled",
 
 
339
                           dbus.Boolean(True), ignore_reply=True,
 
 
340
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
 
342
            self.proxy.Set(client_interface, "Enabled", False,
 
 
344
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
303
346
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
 
304
 
                               dbus_interface = client_interface)
 
 
347
                               dbus_interface=client_interface,
 
306
350
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
 
307
 
                                  dbus_interface = client_interface)
 
308
 
        elif key == u"r" or key == u"_" or key == u"ctrl k":
 
 
351
                               dbus_interface=client_interface,
 
 
353
        elif key == "R" or key == "_" or key == "ctrl k":
 
309
354
            self.server_proxy_object.RemoveClient(self.proxy
 
312
 
            self.proxy.StartChecker(dbus_interface = client_interface)
 
314
 
            self.proxy.StopChecker(dbus_interface = client_interface)
 
316
 
            self.proxy.CheckedOK(dbus_interface = client_interface)
 
 
358
            self.proxy.Set(client_interface, "CheckerRunning",
 
 
359
                           dbus.Boolean(True), ignore_reply=True,
 
 
360
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
 
362
            self.proxy.Set(client_interface, "CheckerRunning",
 
 
363
                           dbus.Boolean(False), ignore_reply=True,
 
 
364
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
 
366
            self.proxy.CheckedOK(dbus_interface=client_interface,
 
318
 
#         elif key == u"p" or key == "=":
 
 
369
#         elif key == "p" or key == "=":
 
319
370
#             self.proxy.pause()
 
320
 
#         elif key == u"u" or key == ":":
 
 
371
#         elif key == "u" or key == ":":
 
321
372
#             self.proxy.unpause()
 
322
 
#         elif key == u"RET":
 
325
 
#            self.proxy.Approve(True)
 
327
 
#            self.proxy.Approve(False)
 
331
 
    def property_changed(self, property=None, value=None,
 
333
 
        """Call self.update() if old value is not new value.
 
 
378
    def properties_changed(self, interface, properties, invalidated):
 
 
379
        """Call self.update() if any properties changed.
 
334
380
        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:
 
 
381
        old_values = {key: self.properties.get(key)
 
 
382
                      for key in properties.keys()}
 
 
383
        super(MandosClientWidget, self).properties_changed(
 
 
384
            interface, properties, invalidated)
 
 
385
        if any(old_values[key] != self.properties.get(key)
 
 
386
               for key in old_values):
 
 
356
404
    """This is the entire user interface - the whole screen
 
357
405
    with boxes, lists of client widgets, etc.
 
359
 
    def __init__(self, max_log_length=1000):
 
 
407
    def __init__(self, max_log_length=1000, log_level=1):
 
360
408
        DBusGMainLoop(set_as_default=True)
 
362
410
        self.screen = urwid.curses_display.Screen()
 
364
412
        self.screen.register_palette((
 
366
 
                 u"default", u"default", None),
 
368
 
                 u"default", u"default", u"bold"),
 
370
 
                 u"default", u"default", u"underline"),
 
372
 
                 u"default", u"default", u"standout"),
 
373
 
                (u"bold-underline-blink",
 
374
 
                 u"default", u"default", (u"bold", u"underline")),
 
376
 
                 u"default", u"default", (u"bold", u"standout")),
 
377
 
                (u"underline-blink-standout",
 
378
 
                 u"default", u"default", (u"underline", u"standout")),
 
379
 
                (u"bold-underline-blink-standout",
 
380
 
                 u"default", u"default", (u"bold", u"underline",
 
 
414
                 "default", "default", None),
 
 
416
                 "bold", "default", "bold"),
 
 
418
                 "underline,blink", "default", "underline,blink"),
 
 
420
                 "standout", "default", "standout"),
 
 
421
                ("bold-underline-blink",
 
 
422
                 "bold,underline,blink", "default",
 
 
423
                 "bold,underline,blink"),
 
 
425
                 "bold,standout", "default", "bold,standout"),
 
 
426
                ("underline-blink-standout",
 
 
427
                 "underline,blink,standout", "default",
 
 
428
                 "underline,blink,standout"),
 
 
429
                ("bold-underline-blink-standout",
 
 
430
                 "bold,underline,blink,standout", "default",
 
 
431
                 "bold,underline,blink,standout"),
 
384
434
        if urwid.supports_unicode():
 
385
 
            self.divider = u"─" # \u2500
 
386
 
            #self.divider = u"━" # \u2501
 
 
435
            self.divider = "─"  # \u2500
 
388
 
            #self.divider = u"-" # \u002d
 
389
 
            self.divider = u"_" # \u005f
 
 
437
            self.divider = "_"  # \u005f
 
391
439
        self.screen.start()
 
393
441
        self.size = self.screen.get_cols_rows()
 
395
443
        self.clients = urwid.SimpleListWalker([])
 
396
444
        self.clients_dict = {}
 
398
446
        # We will add Text widgets to this list
 
 
447
        self.log = urwid.SimpleListWalker([])
 
400
448
        self.max_log_length = max_log_length
 
 
450
        self.log_level = log_level
 
402
452
        # We keep a reference to the log widget so we can remove it
 
403
453
        # from the ListWalker without it getting destroyed
 
404
454
        self.logbox = ConstrainedListBox(self.log)
 
406
456
        # This keeps track of whether self.uilist currently has
 
407
457
        # self.logbox in it or not
 
408
458
        self.log_visible = True
 
409
 
        self.log_wrap = u"any"
 
 
459
        self.log_wrap = "any"
 
412
 
        self.log_message_raw((u"bold",
 
413
 
                              u"Mandos Monitor version " + version))
 
414
 
        self.log_message_raw((u"bold",
 
 
462
        self.log_message_raw(("bold",
 
 
463
                              "Mandos Monitor version " + version))
 
 
464
        self.log_message_raw(("bold",
 
417
467
        self.busname = domain + '.Mandos'
 
418
 
        self.main_loop = gobject.MainLoop()
 
419
 
        self.bus = dbus.SystemBus()
 
420
 
        mandos_dbus_objc = self.bus.get_object(
 
421
 
            self.busname, u"/", follow_name_owner_changes=True)
 
422
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
426
 
            mandos_clients = (self.mandos_serv
 
427
 
                              .GetAllClientsWithProperties())
 
428
 
        except dbus.exceptions.DBusException:
 
429
 
            mandos_clients = dbus.Dictionary()
 
432
 
         .connect_to_signal(u"ClientRemoved",
 
433
 
                            self.find_and_remove_client,
 
434
 
                            dbus_interface=server_interface,
 
437
 
         .connect_to_signal(u"ClientAdded",
 
439
 
                            dbus_interface=server_interface,
 
442
 
         .connect_to_signal(u"ClientNotFound",
 
443
 
                            self.client_not_found,
 
444
 
                            dbus_interface=server_interface,
 
446
 
        for path, client in mandos_clients.iteritems():
 
447
 
            client_proxy_object = self.bus.get_object(self.busname,
 
449
 
            self.add_client(MandosClientWidget(server_proxy_object
 
452
 
                                               =client_proxy_object,
 
 
468
        self.main_loop = GLib.MainLoop()
 
462
470
    def client_not_found(self, fingerprint, address):
 
463
 
        self.log_message((u"Client with address %s and fingerprint %s"
 
464
 
                          u" could not be found" % (address,
 
 
471
        self.log_message("Client with address {} and fingerprint {}"
 
 
472
                         " could not be found"
 
 
473
                         .format(address, fingerprint))
 
467
475
    def rebuild(self):
 
468
476
        """This rebuilds the User Interface.
 
469
477
        Call this when the widget layout needs to change"""
 
471
 
        #self.uilist.append(urwid.ListBox(self.clients))
 
472
 
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.clients),
 
473
 
                                       #header=urwid.Divider(),
 
 
479
        # self.uilist.append(urwid.ListBox(self.clients))
 
 
480
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
 
 
482
                                       # header=urwid.Divider(),
 
475
 
                                       footer=urwid.Divider(div_char=self.divider)))
 
 
484
                                       footer=urwid.Divider(
 
 
485
                                           div_char=self.divider)))
 
476
486
        if self.log_visible:
 
477
487
            self.uilist.append(self.logbox)
 
479
488
        self.topwidget = urwid.Pile(self.uilist)
 
481
 
    def log_message(self, message):
 
 
490
    def log_message(self, message, level=1):
 
 
491
        """Log message formatted with timestamp"""
 
 
492
        if level < self.log_level:
 
482
494
        timestamp = datetime.datetime.now().isoformat()
 
483
 
        self.log_message_raw(timestamp + u": " + message)
 
485
 
    def log_message_raw(self, markup):
 
 
495
        self.log_message_raw("{}: {}".format(timestamp, message),
 
 
498
    def log_message_raw(self, markup, level=1):
 
486
499
        """Add a log message to the log buffer."""
 
 
500
        if level < self.log_level:
 
487
502
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
 
488
 
        if (self.max_log_length
 
489
 
            and len(self.log) > self.max_log_length):
 
490
 
            del self.log[0:len(self.log)-self.max_log_length-1]
 
491
 
        self.logbox.set_focus(len(self.logbox.body.contents),
 
492
 
                              coming_from=u"above")
 
 
503
        if self.max_log_length:
 
 
504
            if len(self.log) > self.max_log_length:
 
 
505
                del self.log[0:len(self.log)-self.max_log_length-1]
 
 
506
        self.logbox.set_focus(len(self.logbox.body.contents)-1,
 
495
510
    def toggle_log_display(self):
 
496
511
        """Toggle visibility of the log buffer."""
 
497
512
        self.log_visible = not self.log_visible
 
499
 
        self.log_message(u"Log visibility changed to: "
 
500
 
                         + unicode(self.log_visible))
 
 
514
        self.log_message("Log visibility changed to: {}"
 
 
515
                         .format(self.log_visible), level=0)
 
502
517
    def change_log_display(self):
 
503
518
        """Change type of log display.
 
504
519
        Currently, this toggles wrapping of text lines."""
 
505
 
        if self.log_wrap == u"clip":
 
506
 
            self.log_wrap = u"any"
 
 
520
        if self.log_wrap == "clip":
 
 
521
            self.log_wrap = "any"
 
508
 
            self.log_wrap = u"clip"
 
 
523
            self.log_wrap = "clip"
 
509
524
        for textwidget in self.log:
 
510
525
            textwidget.set_wrap_mode(self.log_wrap)
 
511
 
        self.log_message(u"Wrap mode: " + self.log_wrap)
 
513
 
    def find_and_remove_client(self, path, name):
 
514
 
        """Find an client from its object path and remove it.
 
516
 
        This is connected to the ClientRemoved signal from the
 
 
526
        self.log_message("Wrap mode: {}".format(self.log_wrap),
 
 
529
    def find_and_remove_client(self, path, interfaces):
 
 
530
        """Find a client by its object path and remove it.
 
 
532
        This is connected to the InterfacesRemoved signal from the
 
517
533
        Mandos server object."""
 
 
534
        if client_interface not in interfaces:
 
 
535
            # Not a Mandos client object; ignore
 
519
538
            client = self.clients_dict[path]
 
523
 
        self.remove_client(client, path)
 
525
 
    def add_new_client(self, path):
 
 
541
            self.log_message("Unknown client {!r} removed"
 
 
546
    def add_new_client(self, path, ifs_and_props):
 
 
547
        """Find a client by its object path and remove it.
 
 
549
        This is connected to the InterfacesAdded signal from the
 
 
550
        Mandos server object.
 
 
552
        if client_interface not in ifs_and_props:
 
 
553
            # Not a Mandos client object; ignore
 
526
555
        client_proxy_object = self.bus.get_object(self.busname, path)
 
527
 
        self.add_client(MandosClientWidget(server_proxy_object
 
530
 
                                           =client_proxy_object,
 
 
556
        self.add_client(MandosClientWidget(
 
 
557
            server_proxy_object=self.mandos_serv,
 
 
558
            proxy_object=client_proxy_object,
 
 
559
            update_hook=self.refresh,
 
 
560
            delete_hook=self.remove_client,
 
 
561
            logger=self.log_message,
 
 
562
            properties=dict(ifs_and_props[client_interface])),
 
539
565
    def add_client(self, client, path=None):
 
540
566
        self.clients.append(client)
 
542
568
            path = client.proxy.object_path
 
543
569
        self.clients_dict[path] = client
 
544
 
        self.clients.sort(None, lambda c: c.properties[u"name"])
 
 
570
        self.clients.sort(key=lambda c: c.properties["Name"])
 
547
573
    def remove_client(self, client, path=None):
 
548
574
        self.clients.remove(client)
 
550
576
            path = client.proxy.object_path
 
551
577
        del self.clients_dict[path]
 
552
 
        if not self.clients_dict:
 
553
 
            # Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
 
554
 
            # is completely emptied, we need to recreate it.
 
555
 
            self.clients = urwid.SimpleListWalker([])
 
559
580
    def refresh(self):
 
560
581
        """Redraw the screen"""
 
561
582
        canvas = self.topwidget.render(self.size, focus=True)
 
562
583
        self.screen.draw_screen(self.size, canvas)
 
565
586
        """Start the main loop and exit when it's done."""
 
 
587
        self.bus = dbus.SystemBus()
 
 
588
        mandos_dbus_objc = self.bus.get_object(
 
 
589
            self.busname, "/", follow_name_owner_changes=True)
 
 
590
        self.mandos_serv = dbus.Interface(
 
 
591
            mandos_dbus_objc, dbus_interface=server_interface)
 
 
593
            mandos_clients = (self.mandos_serv
 
 
594
                              .GetAllClientsWithProperties())
 
 
595
            if not mandos_clients:
 
 
596
                self.log_message_raw(("bold",
 
 
597
                                      "Note: Server has no clients."))
 
 
598
        except dbus.exceptions.DBusException:
 
 
599
            self.log_message_raw(("bold",
 
 
600
                                  "Note: No Mandos server running."))
 
 
601
            mandos_clients = dbus.Dictionary()
 
 
604
         .connect_to_signal("InterfacesRemoved",
 
 
605
                            self.find_and_remove_client,
 
 
606
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
 
 
609
         .connect_to_signal("InterfacesAdded",
 
 
611
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
 
 
614
         .connect_to_signal("ClientNotFound",
 
 
615
                            self.client_not_found,
 
 
616
                            dbus_interface=server_interface,
 
 
618
        for path, client in mandos_clients.items():
 
 
619
            client_proxy_object = self.bus.get_object(self.busname,
 
 
621
            self.add_client(MandosClientWidget(
 
 
622
                server_proxy_object=self.mandos_serv,
 
 
623
                proxy_object=client_proxy_object,
 
 
625
                update_hook=self.refresh,
 
 
626
                delete_hook=self.remove_client,
 
 
627
                logger=self.log_message),
 
567
 
        self._input_callback_tag = (gobject.io_add_watch
 
 
631
        self._input_callback_tag = (GLib.io_add_watch
 
568
632
                                    (sys.stdin.fileno(),
 
570
634
                                     self.process_input))
 
571
635
        self.main_loop.run()
 
572
636
        # Main loop has finished, we should close everything now
 
573
 
        gobject.source_remove(self._input_callback_tag)
 
 
637
        GLib.source_remove(self._input_callback_tag)
 
574
638
        self.screen.stop()
 
577
641
        self.main_loop.quit()
 
579
643
    def process_input(self, source, condition):
 
580
644
        keys = self.screen.get_input()
 
581
 
        translations = { u"ctrl n": u"down",      # Emacs
 
582
 
                         u"ctrl p": u"up",        # Emacs
 
583
 
                         u"ctrl v": u"page down", # Emacs
 
584
 
                         u"meta v": u"page up",   # Emacs
 
585
 
                         u" ": u"page down",      # less
 
586
 
                         u"f": u"page down",      # less
 
587
 
                         u"b": u"page up",        # less
 
 
645
        translations = {"ctrl n": "down",       # Emacs
 
 
646
                        "ctrl p": "up",         # Emacs
 
 
647
                        "ctrl v": "page down",  # Emacs
 
 
648
                        "meta v": "page up",    # Emacs
 
 
649
                        " ": "page down",       # less
 
 
650
                        "f": "page down",       # less
 
 
651
                        "b": "page up",         # less
 
593
657
                key = translations[key]
 
594
658
            except KeyError:    # :-)
 
597
 
            if key == u"q" or key == u"Q":
 
 
661
            if key == "q" or key == "Q":
 
600
 
            elif key == u"window resize":
 
 
664
            elif key == "window resize":
 
601
665
                self.size = self.screen.get_cols_rows()
 
603
 
            elif key == u"\f":  # Ctrl-L
 
 
667
            elif key == "ctrl l":
 
605
 
            elif key == u"l" or key == u"D":
 
 
670
            elif key == "l" or key == "D":
 
606
671
                self.toggle_log_display()
 
608
 
            elif key == u"w" or key == u"i":
 
 
673
            elif key == "w" or key == "i":
 
609
674
                self.change_log_display()
 
611
 
            elif key == u"?" or key == u"f1" or key == u"esc":
 
 
676
            elif key == "?" or key == "f1" or key == "esc":
 
612
677
                if not self.log_visible:
 
613
678
                    self.log_visible = True
 
615
 
                self.log_message_raw((u"bold",
 
619
 
                                            u"l: Log window toggle",
 
620
 
                                            u"TAB: Switch window",
 
622
 
                self.log_message_raw((u"bold",
 
628
 
                                             u"s: Start new checker",
 
 
680
                self.log_message_raw(("bold",
 
 
684
                                            "l: Log window toggle",
 
 
685
                                            "TAB: Switch window",
 
 
686
                                            "w: Wrap (log lines)",
 
 
687
                                            "v: Toggle verbose log",
 
 
689
                self.log_message_raw(("bold",
 
 
695
                                             "s: Start new checker",
 
635
702
                if self.topwidget.get_focus() is self.logbox:
 
636
703
                    self.topwidget.set_focus(0)
 
638
705
                    self.topwidget.set_focus(self.logbox)
 
640
 
            #elif (key == u"end" or key == u"meta >" or key == u"G"
 
642
 
            #    pass            # xxx end-of-buffer
 
643
 
            #elif (key == u"home" or key == u"meta <" or key == u"g"
 
645
 
            #    pass            # xxx beginning-of-buffer
 
646
 
            #elif key == u"ctrl e" or key == u"$":
 
647
 
            #    pass            # xxx move-end-of-line
 
648
 
            #elif key == u"ctrl a" or key == u"^":
 
649
 
            #    pass            # xxx move-beginning-of-line
 
650
 
            #elif key == u"ctrl b" or key == u"meta (" or key == u"h":
 
652
 
            #elif key == u"ctrl f" or key == u"meta )" or key == u"l":
 
655
 
            #    pass            # scroll up log
 
657
 
            #    pass            # scroll down log
 
 
708
                if self.log_level == 0:
 
 
710
                    self.log_message("Verbose mode: Off")
 
 
713
                    self.log_message("Verbose mode: On")
 
 
714
            # elif (key == "end" or key == "meta >" or key == "G"
 
 
716
            #     pass            # xxx end-of-buffer
 
 
717
            # elif (key == "home" or key == "meta <" or key == "g"
 
 
719
            #     pass            # xxx beginning-of-buffer
 
 
720
            # elif key == "ctrl e" or key == "$":
 
 
721
            #     pass            # xxx move-end-of-line
 
 
722
            # elif key == "ctrl a" or key == "^":
 
 
723
            #     pass            # xxx move-beginning-of-line
 
 
724
            # elif key == "ctrl b" or key == "meta (" or key == "h":
 
 
726
            # elif key == "ctrl f" or key == "meta )" or key == "l":
 
 
729
            #     pass            # scroll up log
 
 
731
            #     pass            # scroll down log
 
658
732
            elif self.topwidget.selectable():
 
659
733
                self.topwidget.keypress(self.size, key)
 
663
738
ui = UserInterface()
 
667
 
    ui.log_message(unicode(e))
 
 
741
except KeyboardInterrupt:
 
 
743
except Exception as e:
 
 
744
    ui.log_message(str(e))