15
41
from dbus.mainloop.glib import DBusGMainLoop
 
 
42
from gi.repository import GLib
 
24
 
locale.setlocale(locale.LC_ALL, u'')
 
 
50
if sys.version_info.major == 2:
 
 
53
locale.setlocale(locale.LC_ALL, '')
 
27
55
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
 
29
57
# Some useful constants
 
30
 
domain = 'se.bsnet.fukt'
 
 
58
domain = 'se.recompile'
 
31
59
server_interface = domain + '.Mandos'
 
32
60
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)
 
 
64
    dbus.OBJECT_MANAGER_IFACE
 
 
65
except AttributeError:
 
 
66
    dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
 
43
69
def isoformat_to_datetime(iso):
 
44
70
    "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)
 
 
73
    d, t = iso.split("T", 1)
 
 
74
    year, month, day = d.split("-", 2)
 
 
75
    hour, minute, second = t.split(":", 2)
 
50
76
    second, fraction = divmod(float(second), 1)
 
51
77
    return datetime.datetime(int(year),
 
56
 
                             int(second),           # Whole seconds
 
57
 
                             int(fraction*1000000)) # Microseconds
 
 
82
                             int(second),            # Whole seconds
 
 
83
                             int(fraction*1000000))  # Microseconds
 
59
86
class MandosClientPropertyCache(object):
 
60
87
    """This wraps a Mandos Client D-Bus proxy object, caches the
 
61
88
    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.
 
 
91
    def __init__(self, proxy_object=None, properties=None, **kwargs):
 
 
92
        self.proxy = proxy_object  # Mandos Client proxy object
 
 
93
        self.properties = dict() if properties is None else properties
 
 
94
        self.property_changed_match = (
 
 
95
            self.proxy.connect_to_signal("PropertiesChanged",
 
 
96
                                         self.properties_changed,
 
 
97
                                         dbus.PROPERTIES_IFACE,
 
 
100
        if properties is None:
 
 
101
            self.properties.update(self.proxy.GetAll(
 
 
103
                dbus_interface=dbus.PROPERTIES_IFACE))
 
 
105
        super(MandosClientPropertyCache, self).__init__(**kwargs)
 
 
107
    def properties_changed(self, interface, properties, invalidated):
 
 
108
        """This is called whenever we get a PropertiesChanged signal
 
 
109
        It updates the changed properties in the "properties" dict.
 
85
111
        # Update properties dict with new value
 
86
 
        self.properties[property] = value
 
 
112
        if interface == client_interface:
 
 
113
            self.properties.update(properties)
 
 
116
        self.property_changed_match.remove()
 
89
119
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
 
90
120
    """A Mandos Client which is visible on the screen.
 
93
123
    def __init__(self, server_proxy_object=None, update_hook=None,
 
94
 
                 delete_hook=None, logger=None, *args, **kwargs):
 
 
124
                 delete_hook=None, logger=None, **kwargs):
 
95
125
        # Called on update
 
96
126
        self.update_hook = update_hook
 
97
127
        # Called on delete
 
 
100
130
        self.server_proxy_object = server_proxy_object
 
102
132
        self.logger = logger
 
104
134
        self._update_timer_callback_tag = None
 
105
 
        self.last_checker_failed = False
 
107
136
        # The widget shown normally
 
108
 
        self._text_widget = urwid.Text(u"")
 
 
137
        self._text_widget = urwid.Text("")
 
109
138
        # 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,
 
 
139
        self._focus_text_widget = urwid.Text("")
 
 
140
        super(MandosClientWidget, self).__init__(**kwargs)
 
115
142
        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
 
 
144
        self.match_objects = (
 
 
145
            self.proxy.connect_to_signal("CheckerCompleted",
 
 
146
                                         self.checker_completed,
 
 
149
            self.proxy.connect_to_signal("CheckerStarted",
 
 
150
                                         self.checker_started,
 
 
153
            self.proxy.connect_to_signal("GotSecret",
 
 
157
            self.proxy.connect_to_signal("NeedApproval",
 
 
161
            self.proxy.connect_to_signal("Rejected",
 
 
165
        self.logger('Created client {}'
 
 
166
                    .format(self.properties["Name"]), level=0)
 
 
168
    def using_timer(self, flag):
 
 
169
        """Call this method with True or False when timer should be
 
 
170
        activated or deactivated.
 
 
172
        if flag and self._update_timer_callback_tag is None:
 
 
173
            # Will update the shown timer value every second
 
 
174
            self._update_timer_callback_tag = (GLib.timeout_add
 
150
176
                                                self.update_timer))
 
 
177
        elif not (flag or self._update_timer_callback_tag is None):
 
 
178
            GLib.source_remove(self._update_timer_callback_tag)
 
 
179
            self._update_timer_callback_tag = None
 
152
181
    def checker_completed(self, exitstatus, condition, command):
 
153
182
        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))
 
 
183
            self.logger('Checker for client {} (command "{}")'
 
 
184
                        ' 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
189
        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)))
 
 
190
            self.logger('Checker for client {} (command "{}") failed'
 
 
192
                        .format(self.properties["Name"], command,
 
 
193
                                os.WEXITSTATUS(condition)))
 
174
194
        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'
 
 
195
            self.logger('Checker for client {} (command "{}") was'
 
 
196
                        ' killed by signal {}'
 
 
197
                        .format(self.properties["Name"], command,
 
 
198
                                os.WTERMSIG(condition)))
 
188
201
    def checker_started(self, command):
 
189
 
        #self.logger(u'Client %s started checker "%s"'
 
190
 
        #            % (self.properties[u"Name"], unicode(command)))
 
 
202
        """Server signals that a checker started."""
 
 
203
        self.logger('Client {} started checker "{}"'
 
 
204
                    .format(self.properties["Name"],
 
193
207
    def got_secret(self):
 
194
 
        self.last_checker_failed = False
 
195
 
        self.logger(u'Client %s received its secret'
 
196
 
                    % self.properties[u"Name"])
 
 
208
        self.logger('Client {} received its secret'
 
 
209
                    .format(self.properties["Name"]))
 
198
211
    def need_approval(self, timeout, default):
 
200
 
            message = u'Client %s needs approval within %s seconds'
 
 
213
            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))
 
 
215
            message = 'Client {} will get its secret in {} seconds'
 
 
216
        self.logger(message.format(self.properties["Name"],
 
206
219
    def rejected(self, reason):
 
207
 
        self.logger(u'Client %s was rejected; reason: %s'
 
208
 
                    % (self.properties[u"Name"], reason))
 
 
220
        self.logger('Client {} was rejected; reason: {}'
 
 
221
                    .format(self.properties["Name"], reason))
 
210
223
    def selectable(self):
 
211
224
        """Make this a "selectable" widget.
 
212
225
        This overrides the method from urwid.FlowWidget."""
 
215
 
    def rows(self, (maxcol,), focus=False):
 
 
228
    def rows(self, maxcolrow, focus=False):
 
216
229
        """How many rows this widget will occupy might depend on
 
217
230
        whether we have focus or not.
 
218
231
        This overrides the method from urwid.FlowWidget"""
 
219
 
        return self.current_widget(focus).rows((maxcol,), focus=focus)
 
 
232
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
 
221
234
    def current_widget(self, focus=False):
 
222
235
        if focus or self.opened:
 
223
236
            return self._focus_widget
 
224
237
        return self._widget
 
226
239
    def update(self):
 
227
240
        "Called when what is visible on the screen should be updated."
 
228
241
        # 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",
 
 
242
        with_standout = {"normal": "standout",
 
 
243
                         "bold": "bold-standout",
 
 
245
                         "underline-blink-standout",
 
 
246
                         "bold-underline-blink":
 
 
247
                         "bold-underline-blink-standout",
 
237
250
        # Rebuild focus and non-focus widgets using current properties
 
239
252
        # Base part of a client. Name!
 
240
 
        base = (u'%(name)s: '
 
241
 
                      % {u"name": self.properties[u"Name"]})
 
242
 
        if not self.properties[u"Enabled"]:
 
243
 
            message = u"DISABLED"
 
244
 
        elif self.properties[u"ApprovalPending"]:
 
245
 
            if self.properties[u"ApprovedByDefault"]:
 
246
 
                message = u"Connection established to client. (d)eny?"
 
248
 
                message = u"Seeks approval to send secret. (a)pprove?"
 
249
 
        elif self.last_checker_failed:
 
250
 
            timeout = datetime.timedelta(milliseconds
 
253
 
            last_ok = isoformat_to_datetime(
 
254
 
                max((self.properties[u"LastCheckedOK"]
 
255
 
                     or self.properties[u"Created"]),
 
256
 
                    self.properties[u"LastEnabled"]))
 
257
 
            timer = timeout - (datetime.datetime.utcnow() - last_ok)
 
258
 
            message = (u'A checker has failed! Time until client'
 
259
 
                       u' gets disabled: %s'
 
260
 
                           % unicode(timer).rsplit(".", 1)[0])
 
 
253
        base = '{name}: '.format(name=self.properties["Name"])
 
 
254
        if not self.properties["Enabled"]:
 
 
256
            self.using_timer(False)
 
 
257
        elif self.properties["ApprovalPending"]:
 
 
258
            timeout = datetime.timedelta(
 
 
259
                milliseconds=self.properties["ApprovalDelay"])
 
 
260
            last_approval_request = isoformat_to_datetime(
 
 
261
                self.properties["LastApprovalRequest"])
 
 
262
            if last_approval_request is not None:
 
 
263
                timer = max(timeout - (datetime.datetime.utcnow()
 
 
264
                                       - last_approval_request),
 
 
265
                            datetime.timedelta())
 
 
267
                timer = datetime.timedelta()
 
 
268
            if self.properties["ApprovedByDefault"]:
 
 
269
                message = "Approval in {}. (d)eny?"
 
 
271
                message = "Denial in {}. (a)pprove?"
 
 
272
            message = message.format(str(timer).rsplit(".", 1)[0])
 
 
273
            self.using_timer(True)
 
 
274
        elif self.properties["LastCheckerStatus"] != 0:
 
 
275
            # When checker has failed, show timer until client expires
 
 
276
            expires = self.properties["Expires"]
 
 
278
                timer = datetime.timedelta(0)
 
 
280
                expires = (datetime.datetime.strptime
 
 
281
                           (expires, '%Y-%m-%dT%H:%M:%S.%f'))
 
 
282
                timer = max(expires - datetime.datetime.utcnow(),
 
 
283
                            datetime.timedelta())
 
 
284
            message = ('A checker has failed! Time until client'
 
 
286
                       .format(str(timer).rsplit(".", 1)[0]))
 
 
287
            self.using_timer(True)
 
263
 
        self._text = "%s%s" % (base, message)
 
 
290
            self.using_timer(False)
 
 
291
        self._text = "{}{}".format(base, message)
 
265
293
        if not urwid.supports_unicode():
 
266
294
            self._text = self._text.encode("ascii", "replace")
 
267
 
        textlist = [(u"normal", self._text)]
 
 
295
        textlist = [("normal", self._text)]
 
268
296
        self._text_widget.set_text(textlist)
 
269
297
        self._focus_text_widget.set_text([(with_standout[text[0]],
 
 
277
305
        # Run update hook, if any
 
278
306
        if self.update_hook is not None:
 
279
307
            self.update_hook()
 
281
309
    def update_timer(self):
 
 
310
        """called by GLib. Will indefinitely loop until
 
 
311
        GLib.source_remove() on tag is called
 
284
314
        return True             # Keep calling this
 
 
316
    def delete(self, **kwargs):
 
287
317
        if self._update_timer_callback_tag is not None:
 
288
 
            gobject.source_remove(self._update_timer_callback_tag)
 
 
318
            GLib.source_remove(self._update_timer_callback_tag)
 
289
319
            self._update_timer_callback_tag = None
 
 
320
        for match in self.match_objects:
 
 
322
        self.match_objects = ()
 
290
323
        if self.delete_hook is not None:
 
291
324
            self.delete_hook(self)
 
293
 
    def render(self, (maxcol,), focus=False):
 
 
325
        return super(MandosClientWidget, self).delete(**kwargs)
 
 
327
    def render(self, maxcolrow, focus=False):
 
294
328
        """Render differently if we have focus.
 
295
329
        This overrides the method from urwid.FlowWidget"""
 
296
 
        return self.current_widget(focus).render((maxcol,),
 
 
330
        return self.current_widget(focus).render(maxcolrow,
 
299
 
    def keypress(self, (maxcol,), key):
 
 
333
    def keypress(self, maxcolrow, key):
 
301
335
        This overrides the method from urwid.FlowWidget"""
 
303
 
            self.proxy.Enable(dbus_interface = client_interface)
 
305
 
            self.proxy.Disable(dbus_interface = client_interface)
 
 
337
            self.proxy.Set(client_interface, "Enabled",
 
 
338
                           dbus.Boolean(True), ignore_reply=True,
 
 
339
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
 
341
            self.proxy.Set(client_interface, "Enabled", False,
 
 
343
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
307
345
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
 
308
 
                               dbus_interface = client_interface)
 
 
346
                               dbus_interface=client_interface,
 
310
349
            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":
 
 
350
                               dbus_interface=client_interface,
 
 
352
        elif key == "R" or key == "_" or key == "ctrl k":
 
313
353
            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)
 
 
357
            self.proxy.Set(client_interface, "CheckerRunning",
 
 
358
                           dbus.Boolean(True), ignore_reply=True,
 
 
359
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
 
361
            self.proxy.Set(client_interface, "CheckerRunning",
 
 
362
                           dbus.Boolean(False), ignore_reply=True,
 
 
363
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
 
365
            self.proxy.CheckedOK(dbus_interface=client_interface,
 
322
 
#         elif key == u"p" or key == "=":
 
 
368
#         elif key == "p" or key == "=":
 
323
369
#             self.proxy.pause()
 
324
 
#         elif key == u"u" or key == ":":
 
 
370
#         elif key == "u" or key == ":":
 
325
371
#             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.
 
 
377
    def properties_changed(self, interface, properties, invalidated):
 
 
378
        """Call self.update() if any properties changed.
 
334
379
        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:
 
 
380
        old_values = {key: self.properties.get(key)
 
 
381
                      for key in properties.keys()}
 
 
382
        super(MandosClientWidget, self).properties_changed(
 
 
383
            interface, properties, invalidated)
 
 
384
        if any(old_values[key] != self.properties.get(key)
 
 
385
               for key in old_values):
 
 
357
403
    """This is the entire user interface - the whole screen
 
358
404
    with boxes, lists of client widgets, etc.
 
360
 
    def __init__(self, max_log_length=1000):
 
 
406
    def __init__(self, max_log_length=1000, log_level=1):
 
361
407
        DBusGMainLoop(set_as_default=True)
 
363
409
        self.screen = urwid.curses_display.Screen()
 
365
411
        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",
 
 
413
                 "default", "default", None),
 
 
415
                 "bold", "default", "bold"),
 
 
417
                 "underline,blink", "default", "underline,blink"),
 
 
419
                 "standout", "default", "standout"),
 
 
420
                ("bold-underline-blink",
 
 
421
                 "bold,underline,blink", "default",
 
 
422
                 "bold,underline,blink"),
 
 
424
                 "bold,standout", "default", "bold,standout"),
 
 
425
                ("underline-blink-standout",
 
 
426
                 "underline,blink,standout", "default",
 
 
427
                 "underline,blink,standout"),
 
 
428
                ("bold-underline-blink-standout",
 
 
429
                 "bold,underline,blink,standout", "default",
 
 
430
                 "bold,underline,blink,standout"),
 
385
433
        if urwid.supports_unicode():
 
386
 
            self.divider = u"─" # \u2500
 
387
 
            #self.divider = u"━" # \u2501
 
 
434
            self.divider = "─"  # \u2500
 
389
 
            #self.divider = u"-" # \u002d
 
390
 
            self.divider = u"_" # \u005f
 
 
436
            self.divider = "_"  # \u005f
 
392
438
        self.screen.start()
 
394
440
        self.size = self.screen.get_cols_rows()
 
396
442
        self.clients = urwid.SimpleListWalker([])
 
397
443
        self.clients_dict = {}
 
399
445
        # We will add Text widgets to this list
 
401
447
        self.max_log_length = max_log_length
 
 
449
        self.log_level = log_level
 
403
451
        # We keep a reference to the log widget so we can remove it
 
404
452
        # from the ListWalker without it getting destroyed
 
405
453
        self.logbox = ConstrainedListBox(self.log)
 
407
455
        # This keeps track of whether self.uilist currently has
 
408
456
        # self.logbox in it or not
 
409
457
        self.log_visible = True
 
410
 
        self.log_wrap = u"any"
 
 
458
        self.log_wrap = "any"
 
413
 
        self.log_message_raw((u"bold",
 
414
 
                              u"Mandos Monitor version " + version))
 
415
 
        self.log_message_raw((u"bold",
 
 
461
        self.log_message_raw(("bold",
 
 
462
                              "Mandos Monitor version " + version))
 
 
463
        self.log_message_raw(("bold",
 
418
466
        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,
 
 
467
        self.main_loop = GLib.MainLoop()
 
463
469
    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,
 
 
470
        self.log_message("Client with address {} and fingerprint {}"
 
 
471
                         " could not be found"
 
 
472
                         .format(address, fingerprint))
 
468
474
    def rebuild(self):
 
469
475
        """This rebuilds the User Interface.
 
470
476
        Call this when the widget layout needs to change"""
 
472
 
        #self.uilist.append(urwid.ListBox(self.clients))
 
 
478
        # self.uilist.append(urwid.ListBox(self.clients))
 
473
479
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
 
475
 
                                       #header=urwid.Divider(),
 
 
481
                                       # header=urwid.Divider(),
 
478
 
                                       urwid.Divider(div_char=
 
 
483
                                       footer=urwid.Divider(
 
 
484
                                           div_char=self.divider)))
 
480
485
        if self.log_visible:
 
481
486
            self.uilist.append(self.logbox)
 
483
487
        self.topwidget = urwid.Pile(self.uilist)
 
485
 
    def log_message(self, message):
 
 
489
    def log_message(self, message, level=1):
 
 
490
        """Log message formatted with timestamp"""
 
 
491
        if level < self.log_level:
 
486
493
        timestamp = datetime.datetime.now().isoformat()
 
487
 
        self.log_message_raw(timestamp + u": " + message)
 
489
 
    def log_message_raw(self, markup):
 
 
494
        self.log_message_raw("{}: {}".format(timestamp, message),
 
 
497
    def log_message_raw(self, markup, level=1):
 
490
498
        """Add a log message to the log buffer."""
 
 
499
        if level < self.log_level:
 
491
501
        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]
 
 
502
        if self.max_log_length:
 
 
503
            if len(self.log) > self.max_log_length:
 
 
504
                del self.log[0:len(self.log)-self.max_log_length-1]
 
495
505
        self.logbox.set_focus(len(self.logbox.body.contents),
 
496
 
                              coming_from=u"above")
 
499
509
    def toggle_log_display(self):
 
500
510
        """Toggle visibility of the log buffer."""
 
501
511
        self.log_visible = not self.log_visible
 
503
 
        #self.log_message(u"Log visibility changed to: "
 
504
 
        #                 + unicode(self.log_visible))
 
 
513
        self.log_message("Log visibility changed to: {}"
 
 
514
                         .format(self.log_visible), level=0)
 
506
516
    def change_log_display(self):
 
507
517
        """Change type of log display.
 
508
518
        Currently, this toggles wrapping of text lines."""
 
509
 
        if self.log_wrap == u"clip":
 
510
 
            self.log_wrap = u"any"
 
 
519
        if self.log_wrap == "clip":
 
 
520
            self.log_wrap = "any"
 
512
 
            self.log_wrap = u"clip"
 
 
522
            self.log_wrap = "clip"
 
513
523
        for textwidget in self.log:
 
514
524
            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
 
 
525
        self.log_message("Wrap mode: {}".format(self.log_wrap),
 
 
528
    def find_and_remove_client(self, path, interfaces):
 
 
529
        """Find a client by its object path and remove it.
 
 
531
        This is connected to the InterfacesRemoved signal from the
 
521
532
        Mandos server object."""
 
 
533
        if client_interface not in interfaces:
 
 
534
            # Not a Mandos client object; ignore
 
523
537
            client = self.clients_dict[path]
 
527
 
        self.remove_client(client, path)
 
529
 
    def add_new_client(self, path):
 
 
540
            self.log_message("Unknown client {!r} removed"
 
 
545
    def add_new_client(self, path, ifs_and_props):
 
 
546
        """Find a client by its object path and remove it.
 
 
548
        This is connected to the InterfacesAdded signal from the
 
 
549
        Mandos server object.
 
 
551
        if client_interface not in ifs_and_props:
 
 
552
            # Not a Mandos client object; ignore
 
530
554
        client_proxy_object = self.bus.get_object(self.busname, path)
 
531
 
        self.add_client(MandosClientWidget(server_proxy_object
 
534
 
                                           =client_proxy_object,
 
 
555
        self.add_client(MandosClientWidget(
 
 
556
            server_proxy_object=self.mandos_serv,
 
 
557
            proxy_object=client_proxy_object,
 
 
558
            update_hook=self.refresh,
 
 
559
            delete_hook=self.remove_client,
 
 
560
            logger=self.log_message,
 
 
561
            properties=dict(ifs_and_props[client_interface])),
 
543
564
    def add_client(self, client, path=None):
 
544
565
        self.clients.append(client)
 
546
567
            path = client.proxy.object_path
 
547
568
        self.clients_dict[path] = client
 
548
 
        self.clients.sort(None, lambda c: c.properties[u"Name"])
 
 
569
        self.clients.sort(key=lambda c: c.properties["Name"])
 
551
572
    def remove_client(self, client, path=None):
 
552
573
        self.clients.remove(client)
 
554
575
            path = client.proxy.object_path
 
555
576
        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
579
    def refresh(self):
 
564
580
        """Redraw the screen"""
 
565
581
        canvas = self.topwidget.render(self.size, focus=True)
 
566
582
        self.screen.draw_screen(self.size, canvas)
 
569
585
        """Start the main loop and exit when it's done."""
 
 
586
        self.bus = dbus.SystemBus()
 
 
587
        mandos_dbus_objc = self.bus.get_object(
 
 
588
            self.busname, "/", follow_name_owner_changes=True)
 
 
589
        self.mandos_serv = dbus.Interface(
 
 
590
            mandos_dbus_objc, dbus_interface=server_interface)
 
 
592
            mandos_clients = (self.mandos_serv
 
 
593
                              .GetAllClientsWithProperties())
 
 
594
            if not mandos_clients:
 
 
595
                self.log_message_raw(("bold",
 
 
596
                                      "Note: Server has no clients."))
 
 
597
        except dbus.exceptions.DBusException:
 
 
598
            self.log_message_raw(("bold",
 
 
599
                                  "Note: No Mandos server running."))
 
 
600
            mandos_clients = dbus.Dictionary()
 
 
603
         .connect_to_signal("InterfacesRemoved",
 
 
604
                            self.find_and_remove_client,
 
 
605
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
 
 
608
         .connect_to_signal("InterfacesAdded",
 
 
610
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
 
 
613
         .connect_to_signal("ClientNotFound",
 
 
614
                            self.client_not_found,
 
 
615
                            dbus_interface=server_interface,
 
 
617
        for path, client in mandos_clients.items():
 
 
618
            client_proxy_object = self.bus.get_object(self.busname,
 
 
620
            self.add_client(MandosClientWidget(
 
 
621
                server_proxy_object=self.mandos_serv,
 
 
622
                proxy_object=client_proxy_object,
 
 
624
                update_hook=self.refresh,
 
 
625
                delete_hook=self.remove_client,
 
 
626
                logger=self.log_message),
 
571
 
        self._input_callback_tag = (gobject.io_add_watch
 
 
630
        self._input_callback_tag = (GLib.io_add_watch
 
572
631
                                    (sys.stdin.fileno(),
 
574
633
                                     self.process_input))
 
575
634
        self.main_loop.run()
 
576
635
        # Main loop has finished, we should close everything now
 
577
 
        gobject.source_remove(self._input_callback_tag)
 
 
636
        GLib.source_remove(self._input_callback_tag)
 
578
637
        self.screen.stop()
 
581
640
        self.main_loop.quit()
 
583
642
    def process_input(self, source, condition):
 
584
643
        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
 
 
644
        translations = {"ctrl n": "down",       # Emacs
 
 
645
                        "ctrl p": "up",         # Emacs
 
 
646
                        "ctrl v": "page down",  # Emacs
 
 
647
                        "meta v": "page up",    # Emacs
 
 
648
                        " ": "page down",       # less
 
 
649
                        "f": "page down",       # less
 
 
650
                        "b": "page up",         # less
 
597
656
                key = translations[key]
 
598
657
            except KeyError:    # :-)
 
601
 
            if key == u"q" or key == u"Q":
 
 
660
            if key == "q" or key == "Q":
 
604
 
            elif key == u"window resize":
 
 
663
            elif key == "window resize":
 
605
664
                self.size = self.screen.get_cols_rows()
 
607
 
            elif key == u"\f":  # Ctrl-L
 
 
666
            elif key == "ctrl l":
 
609
 
            elif key == u"l" or key == u"D":
 
 
669
            elif key == "l" or key == "D":
 
610
670
                self.toggle_log_display()
 
612
 
            elif key == u"w" or key == u"i":
 
 
672
            elif key == "w" or key == "i":
 
613
673
                self.change_log_display()
 
615
 
            elif key == u"?" or key == u"f1" or key == u"esc":
 
 
675
            elif key == "?" or key == "f1" or key == "esc":
 
616
676
                if not self.log_visible:
 
617
677
                    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",
 
 
679
                self.log_message_raw(("bold",
 
 
683
                                            "l: Log window toggle",
 
 
684
                                            "TAB: Switch window",
 
 
685
                                            "w: Wrap (log lines)",
 
 
686
                                            "v: Toggle verbose log",
 
 
688
                self.log_message_raw(("bold",
 
 
694
                                             "s: Start new checker",
 
639
701
                if self.topwidget.get_focus() is self.logbox:
 
640
702
                    self.topwidget.set_focus(0)
 
642
704
                    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
 
 
707
                if self.log_level == 0:
 
 
709
                    self.log_message("Verbose mode: Off")
 
 
712
                    self.log_message("Verbose mode: On")
 
 
713
            # elif (key == "end" or key == "meta >" or key == "G"
 
 
715
            #     pass            # xxx end-of-buffer
 
 
716
            # elif (key == "home" or key == "meta <" or key == "g"
 
 
718
            #     pass            # xxx beginning-of-buffer
 
 
719
            # elif key == "ctrl e" or key == "$":
 
 
720
            #     pass            # xxx move-end-of-line
 
 
721
            # elif key == "ctrl a" or key == "^":
 
 
722
            #     pass            # xxx move-beginning-of-line
 
 
723
            # elif key == "ctrl b" or key == "meta (" or key == "h":
 
 
725
            # elif key == "ctrl f" or key == "meta )" or key == "l":
 
 
728
            #     pass            # scroll up log
 
 
730
            #     pass            # scroll down log
 
662
731
            elif self.topwidget.selectable():
 
663
732
                self.topwidget.keypress(self.size, key)