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()
 
147
 
        if self.last_checker_failed:
 
148
 
            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
 
150
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
 
152
182
    def checker_completed(self, exitstatus, condition, command):
 
153
183
        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))
 
 
184
            self.logger('Checker for client {} (command "{}")'
 
 
185
                        ' succeeded'.format(self.properties["Name"],
 
164
 
        if not self.last_checker_failed:
 
165
 
            self.last_checker_failed = True
 
166
 
            self._update_timer_callback_tag = (gobject.timeout_add
 
169
190
        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)))
 
 
191
            self.logger('Checker for client {} (command "{}") failed'
 
 
193
                        .format(self.properties["Name"], command,
 
 
194
                                os.WEXITSTATUS(condition)))
 
174
195
        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
            self.logger('Checker for client {} (command "{}") was'
 
 
197
                        ' killed by signal {}'
 
 
198
                        .format(self.properties["Name"], command,
 
 
199
                                os.WTERMSIG(condition)))
 
188
202
    def checker_started(self, command):
 
189
 
        #self.logger(u'Client %s started checker "%s"'
 
190
 
        #            % (self.properties[u"Name"], unicode(command)))
 
 
203
        """Server signals that a checker started."""
 
 
204
        self.logger('Client {} started checker "{}"'
 
 
205
                    .format(self.properties["Name"],
 
193
208
    def got_secret(self):
 
194
 
        self.last_checker_failed = False
 
195
 
        self.logger(u'Client %s received its secret'
 
196
 
                    % self.properties[u"Name"])
 
 
209
        self.logger('Client {} received its secret'
 
 
210
                    .format(self.properties["Name"]))
 
198
212
    def need_approval(self, timeout, default):
 
200
 
            message = u'Client %s needs approval within %s seconds'
 
 
214
            message = 'Client {} needs approval within {} seconds'
 
202
 
            message = u'Client %s will get its secret in %s seconds'
 
204
 
                    % (self.properties[u"Name"], timeout/1000))
 
 
216
            message = 'Client {} will get its secret in {} seconds'
 
 
217
        self.logger(message.format(self.properties["Name"],
 
206
220
    def rejected(self, reason):
 
207
 
        self.logger(u'Client %s was rejected; reason: %s'
 
208
 
                    % (self.properties[u"Name"], reason))
 
 
221
        self.logger('Client {} was rejected; reason: {}'
 
 
222
                    .format(self.properties["Name"], reason))
 
210
224
    def selectable(self):
 
211
225
        """Make this a "selectable" widget.
 
212
226
        This overrides the method from urwid.FlowWidget."""
 
215
 
    def rows(self, (maxcol,), focus=False):
 
 
229
    def rows(self, maxcolrow, focus=False):
 
216
230
        """How many rows this widget will occupy might depend on
 
217
231
        whether we have focus or not.
 
218
232
        This overrides the method from urwid.FlowWidget"""
 
219
 
        return self.current_widget(focus).rows((maxcol,), focus=focus)
 
 
233
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
 
221
235
    def current_widget(self, focus=False):
 
222
236
        if focus or self.opened:
 
223
237
            return self._focus_widget
 
224
238
        return self._widget
 
226
240
    def update(self):
 
227
241
        "Called when what is visible on the screen should be updated."
 
228
242
        # 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",
 
 
243
        with_standout = {"normal": "standout",
 
 
244
                         "bold": "bold-standout",
 
 
246
                         "underline-blink-standout",
 
 
247
                         "bold-underline-blink":
 
 
248
                         "bold-underline-blink-standout",
 
237
251
        # Rebuild focus and non-focus widgets using current properties
 
239
253
        # 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'
 
260
 
                           % unicode(timer).rsplit(".", 1)[0])
 
 
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)
 
263
 
        self._text = "%s%s" % (base, message)
 
 
291
            self.using_timer(False)
 
 
292
        self._text = "{}{}".format(base, message)
 
265
294
        if not urwid.supports_unicode():
 
266
295
            self._text = self._text.encode("ascii", "replace")
 
267
 
        textlist = [(u"normal", self._text)]
 
 
296
        textlist = [("normal", self._text)]
 
268
297
        self._text_widget.set_text(textlist)
 
269
298
        self._focus_text_widget.set_text([(with_standout[text[0]],
 
 
277
306
        # Run update hook, if any
 
278
307
        if self.update_hook is not None:
 
279
308
            self.update_hook()
 
281
310
    def update_timer(self):
 
 
311
        """called by GLib. Will indefinitely loop until
 
 
312
        GLib.source_remove() on tag is called
 
284
315
        return True             # Keep calling this
 
 
317
    def delete(self, **kwargs):
 
287
318
        if self._update_timer_callback_tag is not None:
 
288
 
            gobject.source_remove(self._update_timer_callback_tag)
 
 
319
            GLib.source_remove(self._update_timer_callback_tag)
 
289
320
            self._update_timer_callback_tag = None
 
 
321
        for match in self.match_objects:
 
 
323
        self.match_objects = ()
 
290
324
        if self.delete_hook is not None:
 
291
325
            self.delete_hook(self)
 
293
 
    def render(self, (maxcol,), focus=False):
 
 
326
        return super(MandosClientWidget, self).delete(**kwargs)
 
 
328
    def render(self, maxcolrow, focus=False):
 
294
329
        """Render differently if we have focus.
 
295
330
        This overrides the method from urwid.FlowWidget"""
 
296
 
        return self.current_widget(focus).render((maxcol,),
 
 
331
        return self.current_widget(focus).render(maxcolrow,
 
299
 
    def keypress(self, (maxcol,), key):
 
 
334
    def keypress(self, maxcolrow, key):
 
301
336
        This overrides the method from urwid.FlowWidget"""
 
303
 
            self.proxy.Enable(dbus_interface = client_interface)
 
305
 
            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)
 
307
346
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
 
308
 
                               dbus_interface = client_interface)
 
 
347
                               dbus_interface=client_interface,
 
310
350
            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":
 
 
351
                               dbus_interface=client_interface,
 
 
353
        elif key == "R" or key == "_" or key == "ctrl k":
 
313
354
            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)
 
 
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,
 
322
 
#         elif key == u"p" or key == "=":
 
 
369
#         elif key == "p" or key == "=":
 
323
370
#             self.proxy.pause()
 
324
 
#         elif key == u"u" or key == ":":
 
 
371
#         elif key == "u" or key == ":":
 
325
372
#             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.
 
 
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):
 
 
357
404
    """This is the entire user interface - the whole screen
 
358
405
    with boxes, lists of client widgets, etc.
 
360
 
    def __init__(self, max_log_length=1000):
 
 
407
    def __init__(self, max_log_length=1000, log_level=1):
 
361
408
        DBusGMainLoop(set_as_default=True)
 
363
410
        self.screen = urwid.curses_display.Screen()
 
365
412
        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",
 
 
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"),
 
385
434
        if urwid.supports_unicode():
 
386
 
            self.divider = u"─" # \u2500
 
387
 
            #self.divider = u"━" # \u2501
 
 
435
            self.divider = "─"  # \u2500
 
389
 
            #self.divider = u"-" # \u002d
 
390
 
            self.divider = u"_" # \u005f
 
 
437
            self.divider = "_"  # \u005f
 
392
439
        self.screen.start()
 
394
441
        self.size = self.screen.get_cols_rows()
 
396
443
        self.clients = urwid.SimpleListWalker([])
 
397
444
        self.clients_dict = {}
 
399
446
        # We will add Text widgets to this list
 
 
447
        self.log = urwid.SimpleListWalker([])
 
401
448
        self.max_log_length = max_log_length
 
 
450
        self.log_level = log_level
 
403
452
        # We keep a reference to the log widget so we can remove it
 
404
453
        # from the ListWalker without it getting destroyed
 
405
454
        self.logbox = ConstrainedListBox(self.log)
 
407
456
        # This keeps track of whether self.uilist currently has
 
408
457
        # self.logbox in it or not
 
409
458
        self.log_visible = True
 
410
 
        self.log_wrap = u"any"
 
 
459
        self.log_wrap = "any"
 
413
 
        self.log_message_raw((u"bold",
 
414
 
                              u"Mandos Monitor version " + version))
 
415
 
        self.log_message_raw((u"bold",
 
 
462
        self.log_message_raw(("bold",
 
 
463
                              "Mandos Monitor version " + version))
 
 
464
        self.log_message_raw(("bold",
 
418
467
        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,
 
 
468
        self.main_loop = GLib.MainLoop()
 
463
470
    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,
 
 
471
        self.log_message("Client with address {} and fingerprint {}"
 
 
472
                         " could not be found"
 
 
473
                         .format(address, fingerprint))
 
468
475
    def rebuild(self):
 
469
476
        """This rebuilds the User Interface.
 
470
477
        Call this when the widget layout needs to change"""
 
472
 
        #self.uilist.append(urwid.ListBox(self.clients))
 
 
479
        # self.uilist.append(urwid.ListBox(self.clients))
 
473
480
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
 
475
 
                                       #header=urwid.Divider(),
 
 
482
                                       # header=urwid.Divider(),
 
478
 
                                       urwid.Divider(div_char=
 
 
484
                                       footer=urwid.Divider(
 
 
485
                                           div_char=self.divider)))
 
480
486
        if self.log_visible:
 
481
487
            self.uilist.append(self.logbox)
 
483
488
        self.topwidget = urwid.Pile(self.uilist)
 
485
 
    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:
 
486
494
        timestamp = datetime.datetime.now().isoformat()
 
487
 
        self.log_message_raw(timestamp + u": " + message)
 
489
 
    def log_message_raw(self, markup):
 
 
495
        self.log_message_raw("{}: {}".format(timestamp, message),
 
 
498
    def log_message_raw(self, markup, level=1):
 
490
499
        """Add a log message to the log buffer."""
 
 
500
        if level < self.log_level:
 
491
502
        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")
 
 
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,
 
499
510
    def toggle_log_display(self):
 
500
511
        """Toggle visibility of the log buffer."""
 
501
512
        self.log_visible = not self.log_visible
 
503
 
        #self.log_message(u"Log visibility changed to: "
 
504
 
        #                 + unicode(self.log_visible))
 
 
514
        self.log_message("Log visibility changed to: {}"
 
 
515
                         .format(self.log_visible), level=0)
 
506
517
    def change_log_display(self):
 
507
518
        """Change type of log display.
 
508
519
        Currently, this toggles wrapping of text lines."""
 
509
 
        if self.log_wrap == u"clip":
 
510
 
            self.log_wrap = u"any"
 
 
520
        if self.log_wrap == "clip":
 
 
521
            self.log_wrap = "any"
 
512
 
            self.log_wrap = u"clip"
 
 
523
            self.log_wrap = "clip"
 
513
524
        for textwidget in self.log:
 
514
525
            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
 
 
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
 
521
533
        Mandos server object."""
 
 
534
        if client_interface not in interfaces:
 
 
535
            # Not a Mandos client object; ignore
 
523
538
            client = self.clients_dict[path]
 
527
 
        self.remove_client(client, path)
 
529
 
    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
 
530
555
        client_proxy_object = self.bus.get_object(self.busname, path)
 
531
 
        self.add_client(MandosClientWidget(server_proxy_object
 
534
 
                                           =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])),
 
543
565
    def add_client(self, client, path=None):
 
544
566
        self.clients.append(client)
 
546
568
            path = client.proxy.object_path
 
547
569
        self.clients_dict[path] = client
 
548
 
        self.clients.sort(None, lambda c: c.properties[u"Name"])
 
 
570
        self.clients.sort(key=lambda c: c.properties["Name"])
 
551
573
    def remove_client(self, client, path=None):
 
552
574
        self.clients.remove(client)
 
554
576
            path = client.proxy.object_path
 
555
577
        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
580
    def refresh(self):
 
564
581
        """Redraw the screen"""
 
565
582
        canvas = self.topwidget.render(self.size, focus=True)
 
566
583
        self.screen.draw_screen(self.size, canvas)
 
569
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),
 
571
 
        self._input_callback_tag = (gobject.io_add_watch
 
 
631
        self._input_callback_tag = (GLib.io_add_watch
 
572
632
                                    (sys.stdin.fileno(),
 
574
634
                                     self.process_input))
 
575
635
        self.main_loop.run()
 
576
636
        # Main loop has finished, we should close everything now
 
577
 
        gobject.source_remove(self._input_callback_tag)
 
 
637
        GLib.source_remove(self._input_callback_tag)
 
578
638
        self.screen.stop()
 
581
641
        self.main_loop.quit()
 
583
643
    def process_input(self, source, condition):
 
584
644
        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
 
 
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
 
597
657
                key = translations[key]
 
598
658
            except KeyError:    # :-)
 
601
 
            if key == u"q" or key == u"Q":
 
 
661
            if key == "q" or key == "Q":
 
604
 
            elif key == u"window resize":
 
 
664
            elif key == "window resize":
 
605
665
                self.size = self.screen.get_cols_rows()
 
607
 
            elif key == u"\f":  # Ctrl-L
 
 
667
            elif key == "ctrl l":
 
609
 
            elif key == u"l" or key == u"D":
 
 
670
            elif key == "l" or key == "D":
 
610
671
                self.toggle_log_display()
 
612
 
            elif key == u"w" or key == u"i":
 
 
673
            elif key == "w" or key == "i":
 
613
674
                self.change_log_display()
 
615
 
            elif key == u"?" or key == u"f1" or key == u"esc":
 
 
676
            elif key == "?" or key == "f1" or key == "esc":
 
616
677
                if not self.log_visible:
 
617
678
                    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",
 
 
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",
 
639
702
                if self.topwidget.get_focus() is self.logbox:
 
640
703
                    self.topwidget.set_focus(0)
 
642
705
                    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
 
 
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
 
662
732
            elif self.topwidget.selectable():
 
663
733
                self.topwidget.keypress(self.size, key)
 
667
738
ui = UserInterface()
 
670
741
except KeyboardInterrupt:
 
673
 
    ui.log_message(unicode(e))
 
 
743
except Exception as e:
 
 
744
    ui.log_message(str(e))