437 lines
17 KiB
Python
437 lines
17 KiB
Python
# Copyright (C) 2007, Red Hat, Inc.
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# Copyright (C) 2007, Collabora Ltd.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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import gobject
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import dbus
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from sugar import profile
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from sugar import util
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from sugar import env
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import gtk
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from buddyiconcache import BuddyIconCache
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import logging
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import os
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import hashlib
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from telepathy.client import ConnectionManager, ManagerRegistry, Connection, Channel
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from telepathy.interfaces import (
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CONN_MGR_INTERFACE, CONN_INTERFACE, CHANNEL_TYPE_CONTACT_LIST, CHANNEL_INTERFACE_GROUP, CONN_INTERFACE_ALIASING,
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CONN_INTERFACE_AVATARS, CONN_INTERFACE_PRESENCE, CHANNEL_TYPE_TEXT)
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from telepathy.constants import (
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CONNECTION_HANDLE_TYPE_NONE, CONNECTION_HANDLE_TYPE_CONTACT,
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CONNECTION_STATUS_CONNECTED, CONNECTION_STATUS_DISCONNECTED, CONNECTION_STATUS_CONNECTING,
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CONNECTION_HANDLE_TYPE_LIST, CONNECTION_HANDLE_TYPE_CONTACT, CONNECTION_HANDLE_TYPE_ROOM,
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CONNECTION_STATUS_REASON_AUTHENTICATION_FAILED)
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CONN_INTERFACE_BUDDY_INFO = 'org.laptop.Telepathy.BuddyInfo'
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_PROTOCOL = "jabber"
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class InvalidBuddyError(Exception):
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pass
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def _get_buddy_icon_at_size(maxw, maxh, maxsize):
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icon = os.path.join(env.get_profile_path(), "buddy-icon.jpg")
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pixbuf = gtk.gdk.pixbuf_new_from_file_at_size(icon, maxw, maxh)
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obj = {}
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obj['data'] = ""
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quality = 90
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img_size = maxsize + 1
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while img_size > maxsize:
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del obj['data']
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obj['data'] = ""
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pixbuf.save_to_callback(_buddy_icon_save_cb, "jpeg", {"quality":"%d" % quality}, obj)
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quality -= 10
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img_size = len(obj['data'])
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del pixbuf
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if img_size > maxsize:
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del obj['data']
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raise RuntimeError("could not size image less than %d bytes" % maxsize)
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return obj['data']
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def _buddy_icon_save_cb(buf, obj):
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obj['data'] += buf
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return True
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class ServerPlugin(gobject.GObject):
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__gsignals__ = {
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'contact-online': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
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([gobject.TYPE_PYOBJECT, gobject.TYPE_PYOBJECT])),
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'contact-offline': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
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([gobject.TYPE_PYOBJECT])),
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'status': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
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([gobject.TYPE_INT, gobject.TYPE_INT])),
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'avatar-updated': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
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([gobject.TYPE_PYOBJECT, gobject.TYPE_PYOBJECT])),
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'properties-changed': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
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([gobject.TYPE_PYOBJECT, gobject.TYPE_PYOBJECT])),
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'contact-activities-changed': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
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([gobject.TYPE_PYOBJECT, gobject.TYPE_PYOBJECT])),
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'activity-invited': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
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([gobject.TYPE_PYOBJECT]))
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}
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def __init__(self, registry):
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gobject.GObject.__init__(self)
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self._icon_cache = BuddyIconCache()
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self._gabble_mgr = registry.GetManager('gabble')
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self._online_contacts = {} # handle -> jid
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self._activities = {} # activity id -> handle
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self._joined_activities = [] # (activity_id, handle of the activity channel)
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self._account = self._get_account_info()
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self._conn = self._init_connection()
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self._reconnect_id = 0
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def _get_account_info(self):
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account_info = {}
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pubkey = profile.get_pubkey()
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server = profile.get_server()
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if not server:
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account_info['server'] = 'olpc.collabora.co.uk'
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else:
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account_info['server'] = server
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registered = profile.get_server_registered()
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account_info['register'] = not registered
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khash = util.printable_hash(util._sha_data(pubkey))
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account_info['account'] = "%s@%s" % (khash, account_info['server'])
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account_info['password'] = profile.get_private_key_hash()
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return account_info
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def _find_existing_connection(self):
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our_name = self._account['account']
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# Search existing connections, if any, that we might be able to use
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connections = Connection.get_connections()
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conn = None
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for item in connections:
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if not item.object_path.startswith("/org/freedesktop/Telepathy/Connection/gabble/jabber/"):
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continue
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if item[CONN_INTERFACE].GetProtocol() != _PROTOCOL:
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continue
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if item[CONN_INTERFACE].GetStatus() == CONNECTION_STATUS_CONNECTED:
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test_handle = item[CONN_INTERFACE].RequestHandles(CONNECTION_HANDLE_TYPE_CONTACT, [our_name])[0]
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if item[CONN_INTERFACE].GetSelfHandle() != test_handle:
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continue
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return item
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return None
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def get_connection(self):
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return self._conn
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def _init_connection(self):
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conn = self._find_existing_connection()
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if not conn:
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acct = self._account.copy()
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# Create a new connection
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name, path = self._gabble_mgr[CONN_MGR_INTERFACE].RequestConnection(_PROTOCOL, acct)
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conn = Connection(name, path)
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del acct
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conn[CONN_INTERFACE].connect_to_signal('StatusChanged', self._status_changed_cb)
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conn[CONN_INTERFACE].connect_to_signal('NewChannel', self._new_channel_cb)
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# hack
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conn._valid_interfaces.add(CONN_INTERFACE_PRESENCE)
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conn._valid_interfaces.add(CONN_INTERFACE_BUDDY_INFO)
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conn._valid_interfaces.add(CONN_INTERFACE_AVATARS)
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conn._valid_interfaces.add(CONN_INTERFACE_ALIASING)
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conn[CONN_INTERFACE_PRESENCE].connect_to_signal('PresenceUpdate',
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self._presence_update_cb)
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return conn
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def _request_list_channel(self, name):
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handle = self._conn[CONN_INTERFACE].RequestHandles(
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CONNECTION_HANDLE_TYPE_LIST, [name])[0]
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chan_path = self._conn[CONN_INTERFACE].RequestChannel(
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CHANNEL_TYPE_CONTACT_LIST, CONNECTION_HANDLE_TYPE_LIST,
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handle, True)
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channel = Channel(self._conn._dbus_object._named_service, chan_path)
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# hack
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channel._valid_interfaces.add(CHANNEL_INTERFACE_GROUP)
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return channel
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def _connected_cb(self):
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if self._account['register']:
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# we successfully register this account
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profile.set_server_registered()
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# the group of contacts who may receive your presence
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publish = self._request_list_channel('publish')
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publish_handles, local_pending, remote_pending = publish[CHANNEL_INTERFACE_GROUP].GetAllMembers()
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# the group of contacts for whom you wish to receive presence
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subscribe = self._request_list_channel('subscribe')
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subscribe_handles = subscribe[CHANNEL_INTERFACE_GROUP].GetMembers()
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if local_pending:
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# accept pending subscriptions
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#print 'pending: %r' % local_pending
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publish[CHANNEL_INTERFACE_GROUP].AddMembers(local_pending, '')
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not_subscribed = list(set(publish_handles) - set(subscribe_handles))
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self_handle = self._conn[CONN_INTERFACE].GetSelfHandle()
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self._online_contacts[self_handle] = self._account['account']
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for handle in not_subscribed:
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# request subscriptions from people subscribed to us if we're not subscribed to them
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subscribe[CHANNEL_INTERFACE_GROUP].AddMembers([self_handle], '')
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if CONN_INTERFACE_BUDDY_INFO not in self._conn.get_valid_interfaces():
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print 'OLPC information not available'
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self.cleanup()
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return
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self._conn[CONN_INTERFACE_BUDDY_INFO].connect_to_signal('PropertiesChanged', self._properties_changed_cb)
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self._conn[CONN_INTERFACE_BUDDY_INFO].connect_to_signal('ActivitiesChanged', self._activities_changed_cb)
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self._conn[CONN_INTERFACE_AVATARS].connect_to_signal('AvatarUpdated', self._avatar_updated_cb)
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# FIXME: we need to use PEP to store the nick. We aren't notified when
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# vcards are changed
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#self._conn[CONN_INTERFACE_ALIASING].connect_to_signal('AliasesChanged', self._alias_changed_cb)
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try:
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self._set_self_buddy_info()
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except RuntimeError, e:
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print e
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self.cleanup()
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return
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# Request presence for everyone on the channel
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self._conn[CONN_INTERFACE_PRESENCE].GetPresence(subscribe_handles)
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def _upload_avatar(self):
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icon = os.path.join(env.get_profile_path(), "buddy-icon.jpg")
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if not os.path.exists(icon):
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return
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md5 = hashlib.md5()
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md5.update(open(icon).read())
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hash = md5.hexdigest()
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self_handle = self._conn[CONN_INTERFACE].GetSelfHandle()
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token = self._conn[CONN_INTERFACE_AVATARS].GetAvatarTokens([self_handle])[0]
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if self._icon_cache.check_avatar(hash, token):
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# avatar is up to date
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return
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types, minw, minh, maxw, maxh, maxsize = self._conn[CONN_INTERFACE_AVATARS].GetAvatarRequirements()
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if not "image/jpeg" in types:
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print "server does not accept JPEG format avatars."
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return
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try:
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img_data = _get_buddy_icon_at_size(min(maxw, 96), min(maxh, 96), maxsize)
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token = self._conn[CONN_INTERFACE_AVATARS].SetAvatar(img_data, "image/jpeg")
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self._icon_cache.set_avatar(hash, token)
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except RuntimeError, e:
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pass
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def join_activity(self, act):
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handle = self._activities.get(act)
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if not handle:
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handle = self._conn[CONN_INTERFACE].RequestHandles(CONNECTION_HANDLE_TYPE_ROOM, [act])[0]
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self._activities[act] = handle
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if (act, handle) in self._joined_activities:
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print "%s already joined" % act
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return
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chan_path = self._conn[CONN_INTERFACE].RequestChannel(
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CHANNEL_TYPE_TEXT, CONNECTION_HANDLE_TYPE_ROOM,
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handle, True)
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channel = Channel(self._conn._dbus_object._named_service, chan_path)
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self._joined_activities.append((act, handle))
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self._conn[CONN_INTERFACE_BUDDY_INFO].SetActivities(self._joined_activities)
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return channel
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def _set_self_buddy_info(self):
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# Set our OLPC buddy properties
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props = {}
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props['color'] = profile.get_color().to_string()
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props['key'] = profile.get_pubkey()
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try:
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self._conn[CONN_INTERFACE_BUDDY_INFO].SetProperties(props)
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except dbus.DBusException, e:
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if str(e).find("Server does not support PEP") >= 0:
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raise RuntimeError("Server does not support PEP")
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name = profile.get_nick_name()
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self_handle = self._conn[CONN_INTERFACE].GetSelfHandle()
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self._conn[CONN_INTERFACE_ALIASING].SetAliases( {self_handle : name} )
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self._conn[CONN_INTERFACE_BUDDY_INFO].SetActivities(self._joined_activities)
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self._upload_avatar()
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def _status_changed_cb(self, state, reason):
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if state == CONNECTION_STATUS_CONNECTING:
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print 'connecting: %r' % reason
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elif state == CONNECTION_STATUS_CONNECTED:
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print 'connected: %r' % reason
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self._connected_cb()
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self.emit('status', state, int(reason))
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elif state == CONNECTION_STATUS_DISCONNECTED:
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print 'disconnected: %r' % reason
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self.emit('status', state, int(reason))
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self._conn = None
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if reason == CONNECTION_STATUS_REASON_AUTHENTICATION_FAILED:
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# FIXME: handle connection failure; retry later?
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pass
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return False
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def start(self):
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print "Trying to connect..."
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# If the connection is already connected query initial contacts
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conn_status = self._conn[CONN_INTERFACE].GetStatus()
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if conn_status == CONNECTION_STATUS_CONNECTED:
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self._connected_cb()
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subscribe = self._request_list_channel('subscribe')
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subscribe_handles = subscribe[CHANNEL_INTERFACE_GROUP].GetMembers()
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self._conn[CONN_INTERFACE_PRESENCE].RequestPresence(subscribe_handles)
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elif conn_status == CONNECTION_STATUS_CONNECTING:
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pass
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else:
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self._conn[CONN_INTERFACE].Connect(reply_handler=self._connect_reply_cb,
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error_handler=self._connect_error_cb)
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def _connect_reply_cb(self):
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if self._reconnect_id > 0:
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gobject.source_remove(self._reconnect_id)
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def _reconnect(self):
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self._reconnect_id = 0
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self.start()
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return False
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def _connect_error_cb(self, exception):
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print "Connect error: %s" % exception
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if not self._reconnect_id:
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self._reconnect_id = gobject.timeout_add(10000, self._reconnect)
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def cleanup(self):
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if not self._conn:
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return
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self._conn[CONN_INTERFACE].Disconnect()
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def _contact_offline(self, handle):
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self.emit("contact-offline", handle)
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del self._online_contacts[handle]
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def _contact_online(self, handle):
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try:
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props = self._conn[CONN_INTERFACE_BUDDY_INFO].GetProperties(handle)
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except dbus.DBusException, e:
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if str(e).startswith("org.freedesktop.DBus.Error.NoReply"):
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raise InvalidBuddyError("couldn't get properties")
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except KeyError, e:
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if str(e) == "'%s'" % CONN_INTERFACE_BUDDY_INFO:
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raise InvalidBuddyError("server doesn't support BuddyInfo interface")
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if not props.has_key('color'):
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raise InvalidBuddyError("no color")
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if not props.has_key('key'):
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raise InvalidBuddyError("no key")
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jid = self._conn[CONN_INTERFACE].InspectHandles(CONNECTION_HANDLE_TYPE_CONTACT, [handle])[0]
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nick = self._conn[CONN_INTERFACE_ALIASING].RequestAliases([handle])[0]
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if not nick:
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raise InvalidBuddyError("no name")
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props['nick'] = nick
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self._online_contacts[handle] = jid
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self.emit("contact-online", handle, props)
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activities = self._conn[CONN_INTERFACE_BUDDY_INFO].GetActivities(handle)
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self._activities_changed_cb(handle, activities)
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def _presence_update_cb(self, presence):
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for handle in presence:
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timestamp, statuses = presence[handle]
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online = handle in self._online_contacts
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for status, params in statuses.items():
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jid = self._conn[CONN_INTERFACE].InspectHandles(CONNECTION_HANDLE_TYPE_CONTACT, [handle])[0]
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print "Handle %s (%s) was online=%s. new statuse %s" % (handle, jid, online, status)
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if not online and status in ["available", "away", "brb", "busy", "dnd", "xa"]:
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try:
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self._contact_online(handle)
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except InvalidBuddyError, e:
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print "Not adding %s because %s" % (handle, e)
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elif online and status in ["offline", "invisible"]:
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self._contact_offline(handle)
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def _avatar_updated_cb(self, handle, new_avatar_token):
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jid = self._online_contacts[handle]
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icon = self._icon_cache.get_icon(jid, new_avatar_token)
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if not icon:
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# cache miss
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avatar, mime_type = self._conn[CONN_INTERFACE_AVATARS].RequestAvatar(handle)
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icon = ''.join(map(chr, avatar))
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self._icon_cache.store_icon(jid, new_avatar_token, icon)
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self.emit("avatar-updated", handle, icon)
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def _alias_changed_cb(self, aliases):
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for handle, alias in aliases:
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nick = self._conn[CONN_INTERFACE_ALIASING].RequestAliases([handle])[0]
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prop = {'nick': nick}
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print "Buddy %s alias changed to %s" % (handle, nick)
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self._properties_changed_cb(handle, prop)
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def _properties_changed_cb(self, contact, properties):
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self.emit("properties-changed", contact, properties)
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def _activities_changed_cb(self, contact, activities):
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for act_id, act_handle in activities:
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self._activities[act_id] = act_handle
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activities_id = map(lambda x: x[0], activities)
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self.emit("contact-activities-changed", contact, activities_id)
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def _new_channel_cb(self, object_path, channel_type, handle_type, handle, suppress_handler):
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if handle_type == CONNECTION_HANDLE_TYPE_ROOM:
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channel = Channel(self._conn._dbus_object._named_service, object_path)
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# hack
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channel._valid_interfaces.add(CHANNEL_INTERFACE_GROUP)
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current, local_pending, remote_pending = channel[CHANNEL_INTERFACE_GROUP].GetAllMembers()
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if local_pending:
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for act_id, act_handle in self._activities.items():
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if handle == act_handle:
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self.emit("activity-invited", act_id)
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