# 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 = set() # handles of online contacts self._account = self._get_account_info() self._conn = self._init_connection() 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 print acct 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.add(self_handle) 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_ALIASING) if CONN_INTERFACE_ALIASING in self._conn: aliases = self._conn[CONN_INTERFACE_ALIASING].RequestAliases(subscribe_handles) else: aliases = self._conn[CONN_INTERFACE].InspectHandles(CONNECTION_HANDLE_TYPE_CONTACT, subscribe_handles) #for handle, alias in zip(subscribe_handles, aliases): # print alias # self.buddies[handle].alias = alias # 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_BUDDY_INFO) if CONN_INTERFACE_BUDDY_INFO not in self._conn.get_valid_interfaces(): print 'OLPC information not available' self.disconnect() return self._set_self_buddy_info() 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) def _set_self_buddy_info(self): # Set our OLPC buddy properties props = {} props['color'] = profile.get_color().to_string() props['key'] = profile.get_pubkey() props['nick'] = profile.get_nick_name() self._conn[CONN_INTERFACE_BUDDY_INFO].SetProperties(props) 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 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)) if reason == CONNECTION_STATUS_REASON_AUTHENTICATION_FAILED: # FIXME: handle connection failure; retry later? pass return False def start(self): # 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() def disconnect(self): self._conn[CONN_INTERFACE].Disconnect() def _contact_go_offline(self, handle): jid = self._conn[CONN_INTERFACE].InspectHandles(CONNECTION_HANDLE_TYPE_CONTACT, [handle])[0] print jid, "offline" self._online_contacts.remove(handle) self.emit("contact-offline", handle) def _contact_go_online(self, handle): jid = self._conn[CONN_INTERFACE].InspectHandles(CONNECTION_HANDLE_TYPE_CONTACT, [handle])[0] print jid, "online" 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") if not props.has_key('color'): raise InvalidBuddyError("no color") if not props.has_key('nick'): raise InvalidBuddyError("no nick name") if not props.has_key('key'): raise InvalidBuddyError("no key") key = props['key'] self._online_contacts.add(handle) self.emit("contact-online", handle, key) def _presence_update_cb(self, presence): for handle in presence: timestamp, statuses = presence[handle] name = self._conn[CONN_INTERFACE].InspectHandles(CONNECTION_HANDLE_TYPE_CONTACT, [handle])[0] online = handle in self._online_contacts for status, params in statuses.items(): if not online and status in ["available", "away", "brb", "busy", "dnd", "xa"]: try: self._contact_go_online(handle) except InvalidBuddyError, e: print "Not adding %s because %s" % (handle, e) elif online and status in ["offline", "invisible"]: self._contact_go_offline(handle) def _avatar_updated_cb(self, handle, new_avatar_token): jid = self._conn[CONN_INTERFACE].InspectHandles(CONNECTION_HANDLE_TYPE_CONTACT, [handle])[0] 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 _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)