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|
# Copyright (C) 2007, Red Hat, Inc.
# Copyright (C) 2007, Collabora Ltd.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
import gobject
import dbus
from sugar import util
import gtk
from buddyiconcache import BuddyIconCache
import logging
import os
import hashlib
import psutils
from telepathy.client import ConnectionManager, ManagerRegistry, Connection, Channel
from telepathy.interfaces import (
CONN_MGR_INTERFACE, CONN_INTERFACE, CHANNEL_TYPE_CONTACT_LIST, CHANNEL_INTERFACE_GROUP, CONN_INTERFACE_ALIASING,
CONN_INTERFACE_AVATARS, CONN_INTERFACE_PRESENCE, CHANNEL_TYPE_TEXT, CHANNEL_TYPE_STREAMED_MEDIA)
from telepathy.constants import (
CONNECTION_HANDLE_TYPE_NONE, CONNECTION_HANDLE_TYPE_CONTACT,
CONNECTION_STATUS_CONNECTED, CONNECTION_STATUS_DISCONNECTED, CONNECTION_STATUS_CONNECTING,
CONNECTION_HANDLE_TYPE_LIST, CONNECTION_HANDLE_TYPE_CONTACT, CONNECTION_HANDLE_TYPE_ROOM,
CONNECTION_STATUS_REASON_AUTHENTICATION_FAILED)
CONN_INTERFACE_BUDDY_INFO = 'org.laptop.Telepathy.BuddyInfo'
CONN_INTERFACE_ACTIVITY_PROPERTIES = 'org.laptop.Telepathy.ActivityProperties'
_PROTOCOL = "jabber"
class InvalidBuddyError(Exception):
pass
def _buddy_icon_save_cb(buf, data):
data[0] += buf
return True
def _get_buddy_icon_at_size(icon, maxw, maxh, maxsize):
loader = gtk.gdk.PixbufLoader()
loader.write(icon)
loader.close()
unscaled_pixbuf = loader.get_pixbuf()
del loader
pixbuf = unscaled_pixbuf.scale_simple(maxw, maxh, gtk.gdk.INTERP_BILINEAR)
del unscaled_pixbuf
data = [""]
quality = 90
img_size = maxsize + 1
while img_size > maxsize:
del data
data = [""]
pixbuf.save_to_callback(_buddy_icon_save_cb, "jpeg", {"quality":"%d" % quality}, data)
quality -= 10
img_size = len(data[0])
del pixbuf
if img_size > maxsize:
del data
raise RuntimeError("could not size image less than %d bytes" % maxsize)
return str(data[0])
class ServerPlugin(gobject.GObject):
__gsignals__ = {
'contact-online': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
([gobject.TYPE_PYOBJECT, gobject.TYPE_PYOBJECT])),
'contact-offline': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
([gobject.TYPE_PYOBJECT])),
'status': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
([gobject.TYPE_INT, gobject.TYPE_INT])),
'avatar-updated': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
([gobject.TYPE_PYOBJECT, gobject.TYPE_PYOBJECT])),
'buddy-properties-changed': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
([gobject.TYPE_PYOBJECT, gobject.TYPE_PYOBJECT])),
'buddy-activities-changed': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
([gobject.TYPE_PYOBJECT, gobject.TYPE_PYOBJECT])),
'activity-invitation': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
([gobject.TYPE_PYOBJECT])),
'private-invitation': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
([gobject.TYPE_PYOBJECT])),
'activity-properties-changed': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
([gobject.TYPE_PYOBJECT, gobject.TYPE_PYOBJECT])),
}
def __init__(self, registry, owner):
gobject.GObject.__init__(self)
self._icon_cache = BuddyIconCache()
self._gabble_mgr = registry.GetManager('gabble')
self._online_contacts = {} # handle -> jid
self._activities = {} # activity id -> handle
self._joined_activities = [] # (activity_id, handle of the activity channel)
self._owner = owner
self._owner.connect("property-changed", self._owner_property_changed_cb)
self._owner.connect("icon-changed", self._owner_icon_changed_cb)
self._account = self._get_account_info()
self._conn = self._init_connection()
self._reconnect_id = 0
def _owner_property_changed_cb(self, owner, properties):
logging.debug("Owner properties changed: %s" % properties)
if properties.has_key("current-activity"):
self._set_self_current_activity()
if properties.has_key("nick"):
self._set_self_alias()
if properties.has_key("color"):
self._set_self._olpc_properties()
def _owner_icon_changed_cb(self, owner, icon):
logging.debug("Owner icon changed to size %d" % len(str(icon)))
self._set_self_avatar(icon)
def _get_account_info(self):
account_info = {}
account_info['server'] = self._owner.get_server()
khash = util.printable_hash(util._sha_data(self._owner.props.key))
account_info['account'] = "%s@%s" % (khash, account_info['server'])
account_info['password'] = self._owner.get_key_hash()
account_info['register'] = not self._owner.get_registered()
print "ACCT: %s" % account_info
return account_info
def _find_existing_connection(self):
our_name = self._account['account']
# Search existing connections, if any, that we might be able to use
connections = Connection.get_connections()
conn = None
for item in connections:
if not item.object_path.startswith("/org/freedesktop/Telepathy/Connection/gabble/jabber/"):
continue
if item[CONN_INTERFACE].GetProtocol() != _PROTOCOL:
continue
if item[CONN_INTERFACE].GetStatus() == CONNECTION_STATUS_CONNECTED:
test_handle = item[CONN_INTERFACE].RequestHandles(CONNECTION_HANDLE_TYPE_CONTACT, [our_name])[0]
if item[CONN_INTERFACE].GetSelfHandle() != test_handle:
continue
return item
return None
def get_connection(self):
return self._conn
def _init_connection(self):
conn = self._find_existing_connection()
if not conn:
acct = self._account.copy()
# Create a new connection
name, path = self._gabble_mgr[CONN_MGR_INTERFACE].RequestConnection(_PROTOCOL, acct)
conn = Connection(name, path)
del acct
conn[CONN_INTERFACE].connect_to_signal('StatusChanged', self._status_changed_cb)
conn[CONN_INTERFACE].connect_to_signal('NewChannel', self._new_channel_cb)
# hack
conn._valid_interfaces.add(CONN_INTERFACE_PRESENCE)
conn._valid_interfaces.add(CONN_INTERFACE_BUDDY_INFO)
conn._valid_interfaces.add(CONN_INTERFACE_ACTIVITY_PROPERTIES)
conn._valid_interfaces.add(CONN_INTERFACE_AVATARS)
conn._valid_interfaces.add(CONN_INTERFACE_ALIASING)
conn[CONN_INTERFACE_PRESENCE].connect_to_signal('PresenceUpdate',
self._presence_update_cb)
return conn
def _request_list_channel(self, name):
handle = self._conn[CONN_INTERFACE].RequestHandles(
CONNECTION_HANDLE_TYPE_LIST, [name])[0]
chan_path = self._conn[CONN_INTERFACE].RequestChannel(
CHANNEL_TYPE_CONTACT_LIST, CONNECTION_HANDLE_TYPE_LIST,
handle, True)
channel = Channel(self._conn._dbus_object._named_service, chan_path)
# hack
channel._valid_interfaces.add(CHANNEL_INTERFACE_GROUP)
return channel
def _connected_cb(self):
if self._account['register']:
# we successfully register this account
self._owner.props.registered = True
# the group of contacts who may receive your presence
publish = self._request_list_channel('publish')
publish_handles, local_pending, remote_pending = publish[CHANNEL_INTERFACE_GROUP].GetAllMembers()
# the group of contacts for whom you wish to receive presence
subscribe = self._request_list_channel('subscribe')
subscribe_handles = subscribe[CHANNEL_INTERFACE_GROUP].GetMembers()
if local_pending:
# accept pending subscriptions
#print 'pending: %r' % local_pending
publish[CHANNEL_INTERFACE_GROUP].AddMembers(local_pending, '')
not_subscribed = list(set(publish_handles) - set(subscribe_handles))
self_handle = self._conn[CONN_INTERFACE].GetSelfHandle()
self._online_contacts[self_handle] = self._account['account']
for handle in not_subscribed:
# request subscriptions from people subscribed to us if we're not subscribed to them
subscribe[CHANNEL_INTERFACE_GROUP].AddMembers([self_handle], '')
if CONN_INTERFACE_BUDDY_INFO not in self._conn.get_valid_interfaces():
logging.debug('OLPC information not available')
self.cleanup()
return
self._conn[CONN_INTERFACE_BUDDY_INFO].connect_to_signal('PropertiesChanged',
self._buddy_properties_changed_cb)
self._conn[CONN_INTERFACE_BUDDY_INFO].connect_to_signal('ActivitiesChanged',
self._buddy_activities_changed_cb)
self._conn[CONN_INTERFACE_BUDDY_INFO].connect_to_signal('CurrentActivityChanged',
self._buddy_current_activity_changed_cb)
self._conn[CONN_INTERFACE_AVATARS].connect_to_signal('AvatarUpdated',
self._avatar_updated_cb)
self._conn[CONN_INTERFACE_ALIASING].connect_to_signal('AliasesChanged',
self._alias_changed_cb)
self._conn[CONN_INTERFACE_ACTIVITY_PROPERTIES].connect_to_signal('ActivityPropertiesChanged',
self._activity_properties_changed_cb)
# Set initial buddy properties, avatar, and activities
self._set_self_olpc_properties(True)
self._set_self_alias()
self._set_self_activities()
self._set_self_current_activity()
self._set_self_avatar()
# Request presence for everyone on the channel
self._conn[CONN_INTERFACE_PRESENCE].GetPresence(subscribe_handles,
ignore_reply=True)
def _set_self_avatar_cb(self, token):
self._icon_cache.set_avatar(hash, token)
def _set_self_avatar(self, icon_data=None):
if not icon_data:
icon_data = self._owner.props.icon
md5 = hashlib.md5()
md5.update(icon_data)
hash = md5.hexdigest()
self_handle = self._conn[CONN_INTERFACE].GetSelfHandle()
token = self._conn[CONN_INTERFACE_AVATARS].GetAvatarTokens([self_handle])[0]
if self._icon_cache.check_avatar(hash, token):
# avatar is up to date
return
types, minw, minh, maxw, maxh, maxsize = self._conn[CONN_INTERFACE_AVATARS].GetAvatarRequirements()
if not "image/jpeg" in types:
logging.debug("server does not accept JPEG format avatars.")
return
img_data = _get_buddy_icon_at_size(icon_data, min(maxw, 96), min(maxh, 96), maxsize)
self._conn[CONN_INTERFACE_AVATARS].SetAvatar(img_data, "image/jpeg",
reply_handler=self._set_self_avatar_cb,
error_handler=lambda *args: self._log_error_cb("avatar", *args))
def join_activity(self, act):
handle = self._activities.get(act)
if not handle:
handle = self._conn[CONN_INTERFACE].RequestHandles(CONNECTION_HANDLE_TYPE_ROOM, [act])[0]
self._activities[act] = handle
if (act, handle) in self._joined_activities:
logging.debug("Already joined %s" % act)
return
chan_path = self._conn[CONN_INTERFACE].RequestChannel(
CHANNEL_TYPE_TEXT, CONNECTION_HANDLE_TYPE_ROOM,
handle, True)
channel = Channel(self._conn._dbus_object._named_service, chan_path)
self._joined_activities.append((act, handle))
self._conn[CONN_INTERFACE_BUDDY_INFO].SetActivities(self._joined_activities)
return channel
def _ignore_success_cb(self):
pass
def _log_error_cb(self, msg, err):
logging.debug("Error setting %s: %s" % (msg, err))
def _set_self_olpc_properties(self, set_key=False):
props = {}
props['color'] = self._owner.props.color
if set_key:
props['key'] = dbus.ByteArray(self._owner.props.key)
self._conn[CONN_INTERFACE_BUDDY_INFO].SetProperties(props,
reply_handler=self._ignore_success_cb,
error_handler=lambda *args: self._log_error_cb("properties", *args))
def _set_self_alias(self):
alias = self._owner.props.nick
self_handle = self._conn[CONN_INTERFACE].GetSelfHandle()
self._conn[CONN_INTERFACE_ALIASING].SetAliases({self_handle : alias},
reply_handler=self._ignore_success_cb,
error_handler=lambda *args: self._log_error_cb("alias", *args))
def _set_self_activities(self):
self._conn[CONN_INTERFACE_BUDDY_INFO].SetActivities(self._joined_activities,
reply_handler=self._ignore_success_cb,
error_handler=lambda *args: self._log_error_cb("activities", *args))
def _set_self_current_activity(self):
cur_activity = self._owner.props.current_activity
cur_activity_handle = 0
if not cur_activity:
cur_activity = ""
else:
cur_activity_handle = self._get_handle_for_activity(cur_activity)
if not cur_activity_handle:
# dont advertise a current activity that's not shared
cur_activity = ""
logging.debug("Setting current activity to '%s' (handle %s)" % (cur_activity, cur_activity_handle))
self._conn[CONN_INTERFACE_BUDDY_INFO].SetCurrentActivity(cur_activity,
cur_activity_handle,
reply_handler=self._ignore_success_cb,
error_handler=lambda *args: self._log_error_cb("current activity", *args))
def _get_handle_for_activity(self, activity_id):
for (act, handle) in self._joined_activities:
if activity_id == act:
return handle
return None
def _status_changed_cb(self, state, reason):
if state == CONNECTION_STATUS_CONNECTING:
logging.debug("State: connecting...")
elif state == CONNECTION_STATUS_CONNECTED:
logging.debug("State: connected")
self._connected_cb()
self.emit('status', state, int(reason))
elif state == CONNECTION_STATUS_DISCONNECTED:
logging.debug("State: disconnected (reason %r)" % reason)
self.emit('status', state, int(reason))
self._conn = None
if reason == CONNECTION_STATUS_REASON_AUTHENTICATION_FAILED:
# FIXME: handle connection failure; retry later?
pass
return False
def start(self):
logging.debug("Starting up...")
# If the connection is already connected query initial contacts
conn_status = self._conn[CONN_INTERFACE].GetStatus()
if conn_status == CONNECTION_STATUS_CONNECTED:
self._connected_cb()
subscribe = self._request_list_channel('subscribe')
subscribe_handles = subscribe[CHANNEL_INTERFACE_GROUP].GetMembers()
self._conn[CONN_INTERFACE_PRESENCE].RequestPresence(subscribe_handles)
elif conn_status == CONNECTION_STATUS_CONNECTING:
pass
else:
self._conn[CONN_INTERFACE].Connect(reply_handler=self._connect_reply_cb,
error_handler=self._connect_error_cb)
def _connect_reply_cb(self):
if self._reconnect_id > 0:
gobject.source_remove(self._reconnect_id)
def _reconnect(self):
self._reconnect_id = 0
self.start()
return False
def _connect_error_cb(self, exception):
logging.debug("Connect error: %s" % exception)
if not self._reconnect_id:
self._reconnect_id = gobject.timeout_add(10000, self._reconnect)
def cleanup(self):
if not self._conn:
return
self._conn[CONN_INTERFACE].Disconnect()
def _contact_offline(self, handle):
if not self._online_contacts.has_key(handle):
return
if self._online_contacts[handle]:
self.emit("contact-offline", handle)
del self._online_contacts[handle]
def _contact_online_activities_cb(self, handle, activities):
if not activities or not len(activities):
logging.debug("Handle %s - No activities" % handle)
self._contact_offline(handle)
return
self._buddy_activities_changed_cb(handle, activities)
def _contact_online_activities_error_cb(self, handle, err):
logging.debug("Handle %s - Error getting activities: %s" % (handle, err))
self._contact_offline(handle)
def _contact_online_aliases_cb(self, handle, props, aliases):
if not aliases or not len(aliases):
logging.debug("Handle %s - No aliases" % handle)
self._contact_offline(handle)
return
props['nick'] = aliases[0]
jid = self._conn[CONN_INTERFACE].InspectHandles(CONNECTION_HANDLE_TYPE_CONTACT, [handle])[0]
self._online_contacts[handle] = jid
self.emit("contact-online", handle, props)
self._conn[CONN_INTERFACE_BUDDY_INFO].GetActivities(handle,
reply_handler=lambda *args: self._contact_online_activities_cb(handle, *args),
error_handler=lambda *args: self._contact_online_activities_error_cb(handle, *args))
def _contact_online_aliases_error_cb(self, handle, err):
logging.debug("Handle %s - Error getting nickname: %s" % (handle, err))
self._contact_offline(handle)
def _contact_online_properties_cb(self, handle, props):
if not props.has_key('key'):
logging.debug("Handle %s - invalid key." % handle)
self._contact_offline(handle)
return
if not props.has_key('color'):
logging.debug("Handle %s - invalid color." % handle)
self._contact_offline(handle)
return
# Convert key from dbus byte array to python string
props["key"] = psutils.bytes_to_string(props["key"])
self._conn[CONN_INTERFACE_ALIASING].RequestAliases([handle],
reply_handler=lambda *args: self._contact_online_aliases_cb(handle, props, *args),
error_handler=lambda *args: self._contact_online_aliases_error_cb(handle, *args))
def _contact_online_properties_error_cb(self, handle, err):
logging.debug("Handle %s - Error getting properties: %s" % (handle, err))
self._contact_offline(handle)
def _contact_online(self, handle):
self._online_contacts[handle] = None
self._conn[CONN_INTERFACE_BUDDY_INFO].GetProperties(handle,
reply_handler=lambda *args: self._contact_online_properties_cb(handle, *args),
error_handler=lambda *args: self._contact_online_properties_error_cb(handle, *args))
def _presence_update_cb(self, presence):
for handle in presence:
timestamp, statuses = presence[handle]
online = handle in self._online_contacts
for status, params in statuses.items():
jid = self._conn[CONN_INTERFACE].InspectHandles(CONNECTION_HANDLE_TYPE_CONTACT, [handle])[0]
olstr = "ONLINE"
if not online: olstr = "OFFLINE"
logging.debug("Handle %s (%s) was %s, status now '%s'." % (handle, jid, olstr, status))
if not online and status in ["available", "away", "brb", "busy", "dnd", "xa"]:
self._contact_online(handle)
elif status in ["offline", "invisible"]:
self._contact_offline(handle)
def _avatar_updated_cb(self, handle, new_avatar_token):
if handle == self._conn[CONN_INTERFACE].GetSelfHandle():
# ignore network events for Owner property changes since those
# are handled locally
return
if not self._online_contacts.has_key(handle):
logging.debug("Handle %s not valid yet...")
return
jid = self._online_contacts[handle]
if not jid:
logging.debug("Handle %s not valid yet...")
return
icon = self._icon_cache.get_icon(jid, new_avatar_token)
if not icon:
# cache miss
avatar, mime_type = self._conn[CONN_INTERFACE_AVATARS].RequestAvatar(handle)
icon = ''.join(map(chr, avatar))
self._icon_cache.store_icon(jid, new_avatar_token, icon)
self.emit("avatar-updated", handle, icon)
def _alias_changed_cb(self, aliases):
for handle, alias in aliases:
prop = {'nick': alias}
#print "Buddy %s alias changed to %s" % (handle, alias)
if self._online_contacts.has_key(handle) and self._online_contacts[handle]:
self._buddy_properties_changed_cb(handle, prop)
def _buddy_properties_changed_cb(self, handle, properties):
if handle == self._conn[CONN_INTERFACE].GetSelfHandle():
# ignore network events for Owner property changes since those
# are handled locally
return
if self._online_contacts.has_key(handle) and self._online_contacts[handle]:
self.emit("buddy-properties-changed", handle, properties)
def _buddy_activities_changed_cb(self, handle, activities):
if handle == self._conn[CONN_INTERFACE].GetSelfHandle():
# ignore network events for Owner activity changes since those
# are handled locally
return
if not self._online_contacts.has_key(handle) or not self._online_contacts[handle]:
return
for act_id, act_handle in activities:
self._activities[act_id] = act_handle
activities_id = map(lambda x: x[0], activities)
self.emit("buddy-activities-changed", handle, activities_id)
def _buddy_current_activity_changed_cb(self, handle, activity, channel):
if handle == self._conn[CONN_INTERFACE].GetSelfHandle():
# ignore network events for Owner current activity changes since those
# are handled locally
return
if not self._online_contacts.has_key(handle) or not self._online_contacts[handle]:
return
if not len(activity) or not util.validate_activity_id(activity):
activity = None
prop = {'current-activity': activity}
logging.debug("Handle %s: current activity now %s" % (handle, activity))
self._buddy_properties_changed_cb(handle, prop)
def _new_channel_cb(self, object_path, channel_type, handle_type, handle, suppress_handler):
if handle_type == CONNECTION_HANDLE_TYPE_ROOM and channel_type == CHANNEL_TYPE_TEXT:
channel = Channel(self._conn._dbus_object._named_service, object_path)
# hack
channel._valid_interfaces.add(CHANNEL_INTERFACE_GROUP)
current, local_pending, remote_pending = channel[CHANNEL_INTERFACE_GROUP].GetAllMembers()
if local_pending:
for act_id, act_handle in self._activities.items():
if handle == act_handle:
self.emit("activity-invitation", act_id)
elif handle_type == CONNECTION_HANDLE_TYPE_CONTACT and \
channel_type in [CHANNEL_TYPE_TEXT, CHANNEL_TYPE_STREAMED_MEDIA]:
self.emit("private-invitation", object_path)
def set_activity_properties(self, act_id, props):
handle = self._activities.get(act_id)
if not handle:
logging.debug("set_activity_properties: handle unkown")
return
self._conn[CONN_INTERFACE_ACTIVITY_PROPERTIES].SetProperties(handle, props)
def _activity_properties_changed_cb(self, room, properties):
for act_id, act_handle in self._activities.items():
if room == act_handle:
self.emit("activity-properties-changed", act_id, properties)
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