sugar-toolkit-gtk3/services/presence2/server_plugin.py

368 lines
15 KiB
Python

# 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 profile
from sugar import util
from sugar import env
import gtk
from buddyiconcache import BuddyIconCache
import logging
import os
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)
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_STATUS_REASON_AUTHENTICATION_FAILED)
CONN_INTERFACE_BUDDY_INFO = 'org.laptop.Telepathy.BuddyInfo'
_PROTOCOL = "jabber"
class InvalidBuddyError(Exception):
pass
def _get_buddy_icon_at_size(maxw, maxh, maxsize):
icon = os.path.join(env.get_profile_path(), "buddy-icon.jpg")
pixbuf = gtk.gdk.pixbuf_new_from_file_at_size(icon, maxw, maxh)
obj = {}
obj['data'] = ""
quality = 90
img_size = maxsize + 1
while img_size > maxsize:
del obj['data']
obj['data'] = ""
pixbuf.save_to_callback(_buddy_icon_save_cb, "jpeg", {"quality":"%d" % quality}, obj)
quality -= 10
img_size = len(obj['data'])
del pixbuf
if img_size > maxsize:
del obj['data']
raise RuntimeError("could not size image less than %d bytes" % maxsize)
return obj['data']
def _buddy_icon_save_cb(buf, obj):
obj['data'] += buf
return True
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])),
'properties-changed': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
([gobject.TYPE_PYOBJECT, gobject.TYPE_PYOBJECT])),
'activities-changed': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
([gobject.TYPE_PYOBJECT, gobject.TYPE_PYOBJECT]))
}
def __init__(self, registry):
gobject.GObject.__init__(self)
self._icon_cache = BuddyIconCache()
self._gabble_mgr = registry.GetManager('gabble')
self._online_contacts = {} # handle -> jid
self._account = self._get_account_info()
self._conn = self._init_connection()
self._reconnect_id = 0
def _get_account_info(self):
account_info = {}
pubkey = profile.get_pubkey()
server = profile.get_server()
if not server:
account_info['server'] = 'olpc.collabora.co.uk'
else:
account_info['server'] = server
registered = profile.get_server_registered()
account_info['register'] = not registered
khash = util.printable_hash(util._sha_data(pubkey))
account_info['account'] = "%s@%s" % (khash, account_info['server'])
account_info['password'] = profile.get_private_key_hash()
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 _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)
# hack
conn._valid_interfaces.add(CONN_INTERFACE_PRESENCE)
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
profile.set_server_registered()
# 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], '')
# hack
self._conn._valid_interfaces.add(CONN_INTERFACE_BUDDY_INFO)
if CONN_INTERFACE_BUDDY_INFO not in self._conn.get_valid_interfaces():
print 'OLPC information not available'
self.cleanup()
return
self._conn[CONN_INTERFACE_BUDDY_INFO].connect_to_signal('PropertiesChanged', self._properties_changed_cb)
self._conn[CONN_INTERFACE_BUDDY_INFO].connect_to_signal('ActivitiesChanged', self._activities_changed_cb)
# hack
self._conn._valid_interfaces.add(CONN_INTERFACE_AVATARS)
self._conn[CONN_INTERFACE_AVATARS].connect_to_signal('AvatarUpdated', self._avatar_updated_cb)
# hack
self._conn._valid_interfaces.add(CONN_INTERFACE_ALIASING)
# FIXME: we need to use PEP to store the nick. We aren't notified when
# vcards are changed
#self._conn[CONN_INTERFACE_ALIASING].connect_to_signal('AliasesChanged', self._alias_changed_cb)
try:
self._set_self_buddy_info()
except RuntimeError, e:
print e
self.cleanup()
return
# Request presence for everyone on the channel
self._conn[CONN_INTERFACE_PRESENCE].GetPresence(subscribe_handles)
def _set_self_buddy_info(self):
# Set our OLPC buddy properties
props = {}
props['color'] = profile.get_color().to_string()
props['key'] = profile.get_pubkey()
try:
self._conn[CONN_INTERFACE_BUDDY_INFO].SetProperties(props)
except dbus.DBusException, e:
if str(e).find("Server does not support PEP") >= 0:
raise RuntimeError("Server does not support PEP")
name = profile.get_nick_name()
self_handle = self._conn[CONN_INTERFACE].GetSelfHandle()
self._conn[CONN_INTERFACE_ALIASING].SetAliases( {self_handle : name} )
types, minw, minh, maxw, maxh, maxsize = self._conn[CONN_INTERFACE_AVATARS].GetAvatarRequirements()
if not "image/jpeg" in types:
print "server does not accept JPEG format avatars."
return
# FIXME: check server avatar token and only upload if we know our
# buddy icon has changed
try:
img_data = _get_buddy_icon_at_size(min(maxw, 96), min(maxh, 96), maxsize)
self._conn[CONN_INTERFACE_AVATARS].SetAvatar(img_data, "image/jpeg")
except RuntimeError, e:
pass
def _status_changed_cb(self, state, reason):
if state == CONNECTION_STATUS_CONNECTING:
print 'connecting: %r' % reason
elif state == CONNECTION_STATUS_CONNECTED:
print 'connected: %r' % reason
self.emit('status', state, int(reason))
self._connected_cb()
elif state == CONNECTION_STATUS_DISCONNECTED:
print 'disconnected: %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):
print "Trying to connect..."
# 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):
print "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):
self.emit("contact-offline", handle)
del self._online_contacts[handle]
def _contact_online(self, handle):
try:
props = self._conn[CONN_INTERFACE_BUDDY_INFO].GetProperties(handle)
except dbus.DBusException, e:
if str(e).startswith("org.freedesktop.DBus.Error.NoReply"):
raise InvalidBuddyError("couldn't get properties")
except KeyError, e:
if str(e) == "'%s'" % CONN_INTERFACE_BUDDY_INFO:
raise InvalidBuddyError("server doesn't support BuddyInfo interface")
if not props.has_key('color'):
raise InvalidBuddyError("no color")
if not props.has_key('key'):
raise InvalidBuddyError("no key")
jid = self._conn[CONN_INTERFACE].InspectHandles(CONNECTION_HANDLE_TYPE_CONTACT, [handle])[0]
nick = self._conn[CONN_INTERFACE_ALIASING].RequestAliases([handle])[0]
if not nick:
raise InvalidBuddyError("no name")
props['nick'] = nick
self._online_contacts[handle] = jid
self.emit("contact-online", handle, props)
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():
print "Handle %s now online=%s with status %s" % (handle, online, status)
if not online and status in ["available", "away", "brb", "busy", "dnd", "xa"]:
try:
self._contact_online(handle)
except InvalidBuddyError, e:
print "Not adding %s because %s" % (handle, e)
elif online and status in ["offline", "invisible"]:
self._contact_offline(handle)
def _avatar_updated_cb(self, handle, new_avatar_token):
jid = self._online_contacts[handle]
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:
nick = self._conn[CONN_INTERFACE_ALIASING].RequestAliases([handle])[0]
prop = {'nick': nick}
print "Buddy %s alias changed to %s" % (handle, nick)
self._properties_changed_cb(handle, prop)
def _properties_changed_cb(self, contact, properties):
self.emit("properties-changed", contact, properties)
def _activities_changed_cb(self, contact, activities):
self.emit("activities-changed", contact, activities)