381 lines
		
	
	
	
		
			14 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			381 lines
		
	
	
	
		
			14 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
# This file is part of Gajim.
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#
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# Gajim 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
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# by the Free Software Foundation; version 3 only.
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#
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# Gajim 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 Gajim. If not, see <http://www.gnu.org/licenses/>.
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# Presence handler
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import time
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import nbxmpp
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from nbxmpp.structs import StanzaHandler
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from nbxmpp.const import PresenceType
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from gajim.common import app
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from gajim.common.i18n import _
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from gajim.common.nec import NetworkEvent
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from gajim.common.const import KindConstant
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from gajim.common.const import ShowConstant
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from gajim.common.modules.base import BaseModule
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class Presence(BaseModule):
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    def __init__(self, con):
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        BaseModule.__init__(self, con)
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        self.handlers = [
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            StanzaHandler(name='presence',
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                          callback=self._presence_received,
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                          priority=50),
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            StanzaHandler(name='presence',
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                          callback=self._subscribe_received,
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                          typ='subscribe',
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                          priority=49),
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            StanzaHandler(name='presence',
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                          callback=self._subscribed_received,
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                          typ='subscribed',
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                          priority=49),
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            StanzaHandler(name='presence',
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                          callback=self._unsubscribe_received,
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                          typ='unsubscribe',
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                          priority=49),
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            StanzaHandler(name='presence',
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                          callback=self._unsubscribed_received,
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                          typ='unsubscribed',
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                          priority=49),
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        ]
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        # keep the jids we auto added (transports contacts) to not send the
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        # SUBSCRIBED event to GUI
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        self.automatically_added = []
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        # list of jid to auto-authorize
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        self.jids_for_auto_auth = []
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    def _presence_received(self, _con, stanza, properties):
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        if properties.from_muc:
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            # Already handled in MUC module
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            return
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        self._log.info('Received from %s', properties.jid)
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        if properties.type == PresenceType.ERROR:
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            self._log.info('Error: %s %s', properties.jid, properties.error)
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            return
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        if self._account == 'Local':
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            app.nec.push_incoming_event(
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                NetworkEvent('raw-pres-received',
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                             conn=self._con,
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                             stanza=stanza))
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            return
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        if properties.is_self_presence:
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            app.nec.push_incoming_event(
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                NetworkEvent('our-show',
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                             conn=self._con,
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                             show=properties.show.value))
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            return
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        contacts = app.contacts.get_jid_list(self._account)
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        if properties.jid.getBare() not in contacts and not properties.is_self_bare:
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            # Handle only presence from roster contacts
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            self._log.warning('Unknown presence received')
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            self._log.warning(stanza)
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            return
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        show = properties.show.value
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        if properties.type.is_unavailable:
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            show = 'offline'
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        event_attrs = {
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            'conn': self._con,
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            'stanza': stanza,
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            'prio': properties.priority,
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            'need_add_in_roster': False,
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            'popup': False,
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            'ptype': properties.type.value,
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            'jid': properties.jid.getBare(),
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            'resource': properties.jid.getResource(),
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            'id_': properties.id,
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            'fjid': str(properties.jid),
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            'timestamp': properties.timestamp,
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            'avatar_sha': properties.avatar_sha,
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            'user_nick': properties.nickname,
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            'idle_time': properties.idle_timestamp,
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            'show': show,
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            'new_show': show,
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            'old_show': 0,
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            'status': properties.status,
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            'contact_list': [],
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            'contact': None,
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        }
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        event_ = NetworkEvent('presence-received', **event_attrs)
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        # TODO: Refactor
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        self._update_contact(event_, properties)
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        app.nec.push_incoming_event(event_)
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    def _update_contact(self, event, properties):
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        # Note: A similar method also exists in connection_zeroconf
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        jid = properties.jid.getBare()
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        resource = properties.jid.getResource()
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        status_strings = ['offline', 'error', 'online', 'chat', 'away',
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                          'xa', 'dnd', 'invisible']
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        event.new_show = status_strings.index(event.show)
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        # Update contact
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        contact_list = app.contacts.get_contacts(self._account, jid)
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        if not contact_list:
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            self._log.warning('No contact found')
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            return
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        event.contact_list = contact_list
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        contact = app.contacts.get_contact_strict(self._account,
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                                                  properties.jid.getBare(),
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                                                  properties.jid.getResource())
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        if contact is None:
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            contact = app.contacts.get_first_contact_from_jid(self._account, jid)
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            if contact is None:
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                self._log.warning('First contact not found')
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                return
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            if self._is_resource_known(contact_list) and not app.jid_is_transport(jid):
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                # Another resource of an existing contact connected
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                # Add new contact
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                event.old_show = 0
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                contact = app.contacts.copy_contact(contact)
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                contact.resource = resource
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                app.contacts.add_contact(self._account, contact)
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            else:
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                # Convert the inital roster contact to a contact with resource
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                contact.resource = resource
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                event.old_show = 0
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                if contact.show in status_strings:
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                    event.old_show = status_strings.index(contact.show)
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            event.need_add_in_roster = True
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        elif contact.show in status_strings:
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            event.old_show = status_strings.index(contact.show)
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        # Update contact with presence data
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        contact.show = event.show
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        contact.status = properties.status
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        contact.priority = properties.priority
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        contact.idle_time = properties.idle_timestamp
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        event.contact = contact
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        if not app.jid_is_transport(jid) and len(contact_list) == 1:
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            # It's not an agent
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            if event.old_show == 0 and event.new_show > 1:
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                if not jid in app.newly_added[self._account]:
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                    app.newly_added[self._account].append(jid)
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                if jid in app.to_be_removed[self._account]:
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                    app.to_be_removed[self._account].remove(jid)
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            elif event.old_show > 1 and event.new_show == 0 and \
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            self._con.connected > 1:
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                if not jid in app.to_be_removed[self._account]:
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                    app.to_be_removed[self._account].append(jid)
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                if jid in app.newly_added[self._account]:
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                    app.newly_added[self._account].remove(jid)
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        if app.jid_is_transport(jid):
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            return
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        if properties.type.is_unavailable:
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            # TODO: This causes problems when another
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            # resource signs off!
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            self._con.stop_all_active_file_transfers(contact)
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        self._log_presence(properties)
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    @staticmethod
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    def _is_resource_known(contact_list):
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        if len(contact_list) > 1:
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            return True
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        if contact_list[0].resource == '':
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            return False
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        return contact_list[0].show not in ('not in roster', 'offline')
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    def _log_presence(self, properties):
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        if not app.config.get('log_contact_status_changes'):
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            return
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        if not app.config.should_log(self._account, properties.jid.getBare()):
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            return
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        show = ShowConstant[properties.show.name]
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        if properties.type.is_unavailable:
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            show = ShowConstant.OFFLINE
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        app.logger.insert_into_logs(self._account,
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                                    properties.jid.getBare(),
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                                    time.time(),
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                                    KindConstant.STATUS,
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                                    message=properties.status,
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                                    show=show)
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    def _subscribe_received(self, _con, _stanza, properties):
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        jid = properties.jid.getBare()
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        fjid = str(properties.jid)
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        is_transport = app.jid_is_transport(fjid)
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        auto_auth = app.config.get_per('accounts', self._account, 'autoauth')
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        self._log.info('Received Subscribe: %s, transport: %s, '
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                       'auto_auth: %s, user_nick: %s',
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                       properties.jid, is_transport,
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                       auto_auth, properties.nickname)
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        if is_transport and fjid in self._con.agent_registrations:
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            self._con.agent_registrations[fjid]['sub_received'] = True
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            if not self._con.agent_registrations[fjid]['roster_push']:
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                # We'll reply after roster push result
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                raise nbxmpp.NodeProcessed
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        if auto_auth or is_transport or jid in self.jids_for_auto_auth:
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            self.send_presence(fjid, 'subscribed')
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        status = (properties.status or
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                  _('I would like to add you to my roster.'))
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        app.nec.push_incoming_event(NetworkEvent(
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            'subscribe-presence-received',
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            conn=self._con,
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            jid=jid,
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            fjid=fjid,
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            status=status,
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            user_nick=properties.nickname,
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            is_transport=is_transport))
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        raise nbxmpp.NodeProcessed
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    def _subscribed_received(self, _con, _stanza, properties):
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        jid = properties.jid.getBare()
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        resource = properties.jid.getResource()
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        self._log.info('Received Subscribed: %s', properties.jid)
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        if jid in self.automatically_added:
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            self.automatically_added.remove(jid)
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            raise nbxmpp.NodeProcessed
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        app.nec.push_incoming_event(NetworkEvent(
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            'subscribed-presence-received',
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            conn=self._con, jid=jid, resource=resource))
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        raise nbxmpp.NodeProcessed
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    def _unsubscribe_received(self, _con, _stanza, properties):
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        self._log.info('Received Unsubscribe: %s', properties.jid)
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        raise nbxmpp.NodeProcessed
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    def _unsubscribed_received(self, _con, _stanza, properties):
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        self._log.info('Received Unsubscribed: %s', properties.jid)
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        app.nec.push_incoming_event(NetworkEvent(
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            'unsubscribed-presence-received',
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            conn=self._con, jid=properties.jid.getBare()))
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        raise nbxmpp.NodeProcessed
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    def subscribed(self, jid):
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        if not app.account_is_connected(self._account):
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            return
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        self._log.info('Subscribed: %s', jid)
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        self.send_presence(jid, 'subscribed')
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    def unsubscribed(self, jid):
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        if not app.account_is_connected(self._account):
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            return
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        self._log.info('Unsubscribed: %s', jid)
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        self.send_presence(jid, 'unsubscribed')
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    def unsubscribe(self, jid, remove_auth=True):
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        if not app.account_is_connected(self._account):
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            return
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        if remove_auth:
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            self._con.getRoster().del_item(jid)
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            jid_list = app.config.get_per('contacts')
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            for j in jid_list:
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                if j.startswith(jid):
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                    app.config.del_per('contacts', j)
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        else:
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            self._log.info('Unsubscribe from %s', jid)
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            self._con.getRoster().unsubscribe(jid)
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            self._con.getRoster().set_item(jid)
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    def subscribe(self, jid, msg=None, name='', groups=None, auto_auth=False):
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        if not app.account_is_connected(self._account):
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            return
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        if groups is None:
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            groups = []
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        self._log.info('Request Subscription to %s', jid)
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        if auto_auth:
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            self.jids_for_auto_auth.append(jid)
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        infos = {'jid': jid}
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        if name:
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            infos['name'] = name
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        iq = nbxmpp.Iq('set', nbxmpp.NS_ROSTER)
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        query = iq.setQuery()
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        item = query.addChild('item', attrs=infos)
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        for group in groups:
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            item.addChild('group').setData(group)
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        self._con.connection.send(iq)
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        self.send_presence(jid, 'subscribe', status=msg)
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    def get_presence(self, to=None, typ=None, priority=None,
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                     show=None, status=None, nick=None, caps=True,
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                     idle_time=None):
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        if show not in ('chat', 'away', 'xa', 'dnd'):
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            # Gajim sometimes passes invalid show values here
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            # until this is fixed this is a workaround
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            show = None
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        presence = nbxmpp.Presence(to, typ, priority, show, status)
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        if nick is not None:
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            nick_tag = presence.setTag('nick', namespace=nbxmpp.NS_NICK)
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            nick_tag.setData(nick)
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        if idle_time is not None:
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            idle_node = presence.setTag('idle', namespace=nbxmpp.NS_IDLE)
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            idle_node.setAttr('since', idle_time)
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        if not self._con.avatar_conversion:
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            # XEP-0398 not supported by server so
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            # we add the avatar sha to our presence
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            self._con.get_module('VCardAvatars').add_update_node(presence)
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        if caps:
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            attrs = {'hash': 'sha-1',
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                     'node': 'http://gajim.org',
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                     'ver': app.caps_hash[self._account]}
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            presence.setTag('c', namespace=nbxmpp.NS_CAPS, attrs=attrs)
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        return presence
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    def send_presence(self, *args, **kwargs):
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        if not app.account_is_connected(self._account):
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            return
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        presence = self.get_presence(*args, **kwargs)
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        app.plugin_manager.extension_point(
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            'send-presence', self._account, presence)
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        self._log.debug('Send presence:\n%s', presence)
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        self._con.connection.send(presence)
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def get_instance(*args, **kwargs):
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    return Presence(*args, **kwargs), 'Presence'
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