Mercurial > libervia-backend
view sat/plugins/plugin_exp_events.py @ 2834:6cd3549e8d67
we are in dev version again
author | Goffi <goffi@goffi.org> |
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date | Sat, 02 Mar 2019 18:43:09 +0100 |
parents | 003b8b4b56a7 |
children | a3faf1c86596 |
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#!/usr/bin/env python2 # -*- coding: utf-8 -*- # SAT plugin to detect language (experimental) # Copyright (C) 2009-2019 Jérôme Poisson (goffi@goffi.org) # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU Affero General Public License as published by # the Free Software Foundation, either version 3 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 Affero General Public License for more details. # You should have received a copy of the GNU Affero General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. from sat.core.i18n import _ from sat.core import exceptions from sat.core.constants import Const as C from sat.core.log import getLogger log = getLogger(__name__) from sat.tools import utils from sat.tools.common import uri as xmpp_uri from sat.tools.common import date_utils from twisted.internet import defer from twisted.words.protocols.jabber import jid, error from twisted.words.xish import domish from wokkel import disco, iwokkel from zope.interface import implements from twisted.words.protocols.jabber.xmlstream import XMPPHandler from wokkel import pubsub import shortuuid PLUGIN_INFO = { C.PI_NAME: "Event plugin", C.PI_IMPORT_NAME: "EVENTS", C.PI_TYPE: "EXP", C.PI_PROTOCOLS: [], C.PI_DEPENDENCIES: ["XEP-0060"], C.PI_RECOMMENDATIONS: ["INVITATIONS", "XEP-0277"], C.PI_MAIN: "Events", C.PI_HANDLER: "yes", C.PI_DESCRIPTION: _("""Experimental implementation of XMPP events management"""), } NS_EVENT = "org.salut-a-toi.event:0" NS_EVENT_LIST = NS_EVENT + "#list" NS_EVENT_INVIT = NS_EVENT + "#invitation" INVITATION = '/message[@type="chat"]/invitation[@xmlns="{ns_invit}"]'.format( ns_invit=NS_EVENT_INVIT ) class Events(object): """Q&D module to handle event attendance answer, experimentation only""" def __init__(self, host): log.info(_(u"Event plugin initialization")) self.host = host self._p = self.host.plugins["XEP-0060"] self._i = self.host.plugins.get("INVITATIONS") self._b = self.host.plugins.get("XEP-0277") host.bridge.addMethod( "eventGet", ".plugin", in_sign="ssss", out_sign="(ia{ss})", method=self._eventGet, async=True, ) host.bridge.addMethod( "eventCreate", ".plugin", in_sign="ia{ss}ssss", out_sign="s", method=self._eventCreate, async=True, ) host.bridge.addMethod( "eventModify", ".plugin", in_sign="sssia{ss}s", out_sign="", method=self._eventModify, async=True, ) host.bridge.addMethod( "eventsList", ".plugin", in_sign="sss", out_sign="aa{ss}", method=self._eventsList, async=True, ) host.bridge.addMethod( "eventInviteeGet", ".plugin", in_sign="sss", out_sign="a{ss}", method=self._eventInviteeGet, async=True, ) host.bridge.addMethod( "eventInviteeSet", ".plugin", in_sign="ssa{ss}s", out_sign="", method=self._eventInviteeSet, async=True, ) host.bridge.addMethod( "eventInviteesList", ".plugin", in_sign="sss", out_sign="a{sa{ss}}", method=self._eventInviteesList, async=True, ), host.bridge.addMethod( "eventInvite", ".plugin", in_sign="sssss", out_sign="", method=self._invite, async=True, ) host.bridge.addMethod( "eventInviteByEmail", ".plugin", in_sign="ssssassssssss", out_sign="", method=self._inviteByEmail, async=True, ) def getHandler(self, client): return EventsHandler(self) def _parseEventElt(self, event_elt): """Helper method to parse event element @param (domish.Element): event_elt @return (tupple[int, dict[unicode, unicode]): timestamp, event_data """ try: timestamp = date_utils.date_parse(next(event_elt.elements(NS_EVENT, "date"))) except StopIteration: timestamp = -1 data = {} for key in (u"name",): try: data[key] = event_elt[key] except KeyError: continue for elt_name in (u"description",): try: elt = next(event_elt.elements(NS_EVENT, elt_name)) except StopIteration: continue else: data[elt_name] = unicode(elt) for elt_name in (u"image", "background-image"): try: image_elt = next(event_elt.elements(NS_EVENT, elt_name)) data[elt_name] = image_elt["src"] except StopIteration: continue except KeyError: log.warning(_(u"no src found for image")) for uri_type in (u"invitees", u"blog"): try: elt = next(event_elt.elements(NS_EVENT, uri_type)) uri = data[uri_type + u"_uri"] = elt["uri"] uri_data = xmpp_uri.parseXMPPUri(uri) if uri_data[u"type"] != u"pubsub": raise ValueError except StopIteration: log.warning(_(u"no {uri_type} element found!").format(uri_type=uri_type)) except KeyError: log.warning(_(u"incomplete {uri_type} element").format(uri_type=uri_type)) except ValueError: log.warning(_(u"bad {uri_type} element").format(uri_type=uri_type)) else: data[uri_type + u"_service"] = uri_data[u"path"] data[uri_type + u"_node"] = uri_data[u"node"] for meta_elt in event_elt.elements(NS_EVENT, "meta"): key = meta_elt[u"name"] if key in data: log.warning( u"Ignoring conflicting meta element: {xml}".format( xml=meta_elt.toXml() ) ) continue data[key] = unicode(meta_elt) if event_elt.link: link_elt = event_elt.link data["service"] = link_elt["service"] data["node"] = link_elt["node"] data["item"] = link_elt["item"] if event_elt.getAttribute("creator") == "true": data["creator"] = True return timestamp, data @defer.inlineCallbacks def getEventElement(self, client, service, node, id_): """Retrieve event element @param service(jid.JID): pubsub service @param node(unicode): pubsub node @param id_(unicode, None): event id @return (domish.Element): event element @raise exceptions.NotFound: no event element found """ if not id_: id_ = NS_EVENT items, metadata = yield self._p.getItems(client, service, node, item_ids=[id_]) try: event_elt = next(items[0].elements(NS_EVENT, u"event")) except IndexError: raise exceptions.NotFound(_(u"No event with this id has been found")) defer.returnValue(event_elt) @defer.inlineCallbacks def register(self, client, service, node, event_id, event_elt, creator=False): """register evenement in personal events list @param service(jid.JID): pubsub service of the event @param node(unicode): event node @param event_id(unicode): event id @param event_elt(domish.Element): event element note that this element will be modified in place @param creator(bool): True if client's profile is the creator of the node """ # we save a link to the event in our local list try: # TODO: check auto-create, no need to create node first if available options = {self._p.OPT_ACCESS_MODEL: self._p.ACCESS_WHITELIST} yield self._p.createNode( client, client.jid.userhostJID(), nodeIdentifier=NS_EVENT_LIST, options=options, ) except error.StanzaError as e: if e.condition == u"conflict": log.debug(_(u"requested node already exists")) link_elt = event_elt.addElement((NS_EVENT_LIST, "link")) link_elt["service"] = service.full() link_elt["node"] = node link_elt["item"] = event_id item_id = xmpp_uri.buildXMPPUri( u"pubsub", path=service.full(), node=node, item=event_id ) if creator: event_elt["creator"] = "true" item_elt = pubsub.Item(id=item_id, payload=event_elt) yield self._p.publish( client, client.jid.userhostJID(), NS_EVENT_LIST, items=[item_elt] ) def _eventGet(self, service, node, id_=u"", profile_key=C.PROF_KEY_NONE): service = jid.JID(service) if service else None node = node if node else NS_EVENT client = self.host.getClient(profile_key) return self.eventGet(client, service, node, id_) @defer.inlineCallbacks def eventGet(self, client, service, node, id_=NS_EVENT): """Retrieve event data @param service(unicode, None): PubSub service @param node(unicode): PubSub node of the event @param id_(unicode): id_ with even data @return (tuple[int, dict[unicode, unicode]): event data: - timestamp of the event - event metadata where key can be: location: location of the event image: URL of a picture to use to represent event background-image: URL of a picture to use in background """ event_elt = yield self.getEventElement(client, service, node, id_) defer.returnValue(self._parseEventElt(event_elt)) def _eventCreate( self, timestamp, data, service, node, id_=u"", profile_key=C.PROF_KEY_NONE ): service = jid.JID(service) if service else None node = node or None client = self.host.getClient(profile_key) data[u"register"] = C.bool(data.get(u"register", C.BOOL_FALSE)) return self.eventCreate(client, timestamp, data, service, node, id_ or NS_EVENT) @defer.inlineCallbacks def eventCreate(self, client, timestamp, data, service, node=None, event_id=NS_EVENT): """Create or replace an event @param service(jid.JID, None): PubSub service @param node(unicode, None): PubSub node of the event None will create instant node. @param event_id(unicode): ID of the item to create. @param timestamp(timestamp, None) @param data(dict[unicode, unicode]): data to update dict will be cleared, do a copy if data are still needed key can be: - name: name of the event - description: details - image: main picture of the event - background-image: image to use as background - register: bool, True if we want to register the event in our local list @return (unicode): created node """ if not event_id: raise ValueError(_(u"event_id must be set")) if not service: service = client.jid.userhostJID() if not node: node = NS_EVENT + u"__" + shortuuid.uuid() event_elt = domish.Element((NS_EVENT, "event")) if timestamp is not None and timestamp != -1: formatted_date = utils.xmpp_date(timestamp) event_elt.addElement((NS_EVENT, "date"), content=formatted_date) register = data.pop("register", False) for key in (u"name",): if key in data: event_elt[key] = data.pop(key) for key in (u"description",): if key in data: event_elt.addElement((NS_EVENT, key), content=data.pop(key)) for key in (u"image", u"background-image"): if key in data: elt = event_elt.addElement((NS_EVENT, key)) elt["src"] = data.pop(key) # we first create the invitees and blog nodes (if not specified in data) for uri_type in (u"invitees", u"blog"): key = uri_type + u"_uri" for to_delete in (u"service", u"node"): k = uri_type + u"_" + to_delete if k in data: del data[k] if key not in data: # FIXME: affiliate invitees uri_node = yield self._p.createNode(client, service) yield self._p.setConfiguration( client, service, uri_node, {self._p.OPT_ACCESS_MODEL: self._p.ACCESS_WHITELIST}, ) uri_service = service else: uri = data.pop(key) uri_data = xmpp_uri.parseXMPPUri(uri) if uri_data[u"type"] != u"pubsub": raise ValueError( _(u"The given URI is not valid: {uri}").format(uri=uri) ) uri_service = jid.JID(uri_data[u"path"]) uri_node = uri_data[u"node"] elt = event_elt.addElement((NS_EVENT, uri_type)) elt["uri"] = xmpp_uri.buildXMPPUri( "pubsub", path=uri_service.full(), node=uri_node ) # remaining data are put in <meta> elements for key in data.keys(): elt = event_elt.addElement((NS_EVENT, "meta"), content=data.pop(key)) elt["name"] = key item_elt = pubsub.Item(id=event_id, payload=event_elt) try: # TODO: check auto-create, no need to create node first if available node = yield self._p.createNode(client, service, nodeIdentifier=node) except error.StanzaError as e: if e.condition == u"conflict": log.debug(_(u"requested node already exists")) yield self._p.publish(client, service, node, items=[item_elt]) if register: yield self.register(client, service, node, event_id, event_elt, creator=True) defer.returnValue(node) def _eventModify( self, service, node, id_, timestamp_update, data_update, profile_key=C.PROF_KEY_NONE, ): service = jid.JID(service) if service else None node = node if node else NS_EVENT client = self.host.getClient(profile_key) return self.eventModify( client, service, node, id_ or NS_EVENT, timestamp_update or None, data_update ) @defer.inlineCallbacks def eventModify( self, client, service, node, id_=NS_EVENT, timestamp_update=None, data_update=None ): """Update an event Similar as create instead that it update existing item instead of creating or replacing it. Params are the same as for [eventCreate]. """ event_timestamp, event_metadata = yield self.eventGet(client, service, node, id_) new_timestamp = event_timestamp if timestamp_update is None else timestamp_update new_data = event_metadata if data_update: for k, v in data_update.iteritems(): new_data[k] = v yield self.eventCreate(client, new_timestamp, new_data, service, node, id_) def _eventsListSerialise(self, events): for timestamp, data in events: data["date"] = unicode(timestamp) data["creator"] = C.boolConst(data.get("creator", False)) return [e[1] for e in events] def _eventsList(self, service, node, profile): service = jid.JID(service) if service else None node = node or None client = self.host.getClient(profile) d = self.eventsList(client, service, node) d.addCallback(self._eventsListSerialise) return d @defer.inlineCallbacks def eventsList(self, client, service, node): """Retrieve list of registered events @return list(tuple(int, dict)): list of events (timestamp + metadata) """ if not node: node = NS_EVENT_LIST items = yield self._p.getItems(client, service, node) events = [] for item in items[0]: try: event_elt = next(item.elements(NS_EVENT, u"event")) except IndexError: log.error( _(u"No event found in item {item_id}").format(item_id=item["id"]) ) timestamp, data = self._parseEventElt(event_elt) events.append((timestamp, data)) defer.returnValue(events) def _eventInviteeGet(self, service, node, profile_key): service = jid.JID(service) if service else None node = node if node else NS_EVENT client = self.host.getClient(profile_key) return self.eventInviteeGet(client, service, node) @defer.inlineCallbacks def eventInviteeGet(self, client, service, node): """Retrieve attendance from event node @param service(unicode, None): PubSub service @param node(unicode): PubSub node of the event @return (dict): a dict with current attendance status, an empty dict is returned if nothing has been answered yed """ items, metadata = yield self._p.getItems( client, service, node, item_ids=[client.jid.userhost()] ) try: event_elt = next(items[0].elements(NS_EVENT, u"invitee")) except IndexError: # no item found, event data are not set yet defer.returnValue({}) data = {} for key in (u"attend", u"guests"): try: data[key] = event_elt[key] except KeyError: continue defer.returnValue(data) def _eventInviteeSet(self, service, node, event_data, profile_key): service = jid.JID(service) if service else None node = node if node else NS_EVENT client = self.host.getClient(profile_key) return self.eventInviteeSet(client, service, node, event_data) def eventInviteeSet(self, client, service, node, data): """Set or update attendance data in event node @param service(unicode, None): PubSub service @param node(unicode): PubSub node of the event @param data(dict[unicode, unicode]): data to update key can be: attend: one of "yes", "no", "maybe" guests: an int """ event_elt = domish.Element((NS_EVENT, "invitee")) for key in (u"attend", u"guests"): try: event_elt[key] = data.pop(key) except KeyError: pass item_elt = pubsub.Item(id=client.jid.userhost(), payload=event_elt) return self._p.publish(client, service, node, items=[item_elt]) def _eventInviteesList(self, service, node, profile_key): service = jid.JID(service) if service else None node = node if node else NS_EVENT client = self.host.getClient(profile_key) return self.eventInviteesList(client, service, node) @defer.inlineCallbacks def eventInviteesList(self, client, service, node): """Retrieve attendance from event node @param service(unicode, None): PubSub service @param node(unicode): PubSub node of the event @return (dict): a dict with current attendance status, an empty dict is returned if nothing has been answered yed """ items, metadata = yield self._p.getItems(client, service, node) invitees = {} for item in items: try: event_elt = next(item.elements(NS_EVENT, u"invitee")) except StopIteration: # no item found, event data are not set yet log.warning( _( u"no data found for {item_id} (service: {service}, node: {node})".format( item_id=item["id"], service=service, node=node ) ) ) else: data = {} for key in (u"attend", u"guests"): try: data[key] = event_elt[key] except KeyError: continue invitees[item["id"]] = data defer.returnValue(invitees) def sendMessageInvitation(self, client, invitee_jid, service, node, item_id): """Send an invitation in a <message> stanza @param invitee_jid(jid.JID): entitee to send invitation to @param service(jid.JID): pubsub service of the event @param node(unicode): node of the event @param item_id(unicode): id of the event """ mess_data = { "from": client.jid, "to": invitee_jid, "uid": "", "message": {}, "type": C.MESS_TYPE_CHAT, "subject": {}, "extra": {}, } client.generateMessageXML(mess_data) event_elt = mess_data["xml"].addElement("invitation", NS_EVENT_INVIT) event_elt["service"] = service.full() event_elt["node"] = node event_elt["item"] = item_id client.send(mess_data["xml"]) def _invite(self, invitee_jid, service, node, item_id, profile): client = self.host.getClient(profile) service = jid.JID(service) if service else None node = node or None item_id = item_id or None invitee_jid = jid.JID(invitee_jid) return self.invite(client, invitee_jid, service, node, item_id) @defer.inlineCallbacks def invite(self, client, invitee_jid, service, node, item_id=NS_EVENT): """Invite an entity to the event This will set permission to let the entity access everything needed @pararm invitee_jid(jid.JID): entity to invite @param service(jid.JID, None): pubsub service None to use client's PEP @param node(unicode): event node @param item_id(unicode): event id """ if self._b is None: raise exceptions.FeatureNotFound( _(u'"XEP-0277" (blog) plugin is needed for this feature') ) if item_id is None: item_id = NS_EVENT # first we authorize our invitee to see the nodes of interest yield self._p.setNodeAffiliations(client, service, node, {invitee_jid: u"member"}) log.debug(_(u"affiliation set on event node")) __, event_data = yield self.eventGet(client, service, node, item_id) log.debug(_(u"got event data")) invitees_service = jid.JID(event_data["invitees_service"]) invitees_node = event_data["invitees_node"] blog_service = jid.JID(event_data["blog_service"]) blog_node = event_data["blog_node"] yield self._p.setNodeAffiliations( client, invitees_service, invitees_node, {invitee_jid: u"publisher"} ) log.debug(_(u"affiliation set on invitee node")) yield self._p.setNodeAffiliations( client, blog_service, blog_node, {invitee_jid: u"member"} ) blog_items, __ = yield self._b.mbGet(client, blog_service, blog_node, None) for item in blog_items: try: comments_service = jid.JID(item["comments_service"]) comments_node = item["comments_node"] except KeyError: log.debug( u"no comment service set for item {item_id}".format( item_id=item["id"] ) ) else: yield self._p.setNodeAffiliations( client, comments_service, comments_node, {invitee_jid: u"publisher"} ) log.debug(_(u"affiliation set on blog and comments nodes")) # now we send the invitation self.sendMessageInvitation(client, invitee_jid, service, node, item_id) def _inviteByEmail( self, service, node, id_=NS_EVENT, email=u"", emails_extra=None, name=u"", host_name=u"", language=u"", url_template=u"", message_subject=u"", message_body=u"", profile_key=C.PROF_KEY_NONE, ): client = self.host.getClient(profile_key) kwargs = { u"profile": client.profile, u"emails_extra": [unicode(e) for e in emails_extra], } for key in ( "email", "name", "host_name", "language", "url_template", "message_subject", "message_body", ): value = locals()[key] kwargs[key] = unicode(value) return self.inviteByEmail( client, jid.JID(service) if service else None, node, id_ or NS_EVENT, **kwargs ) @defer.inlineCallbacks def inviteByEmail(self, client, service, node, id_=NS_EVENT, **kwargs): """High level method to create an email invitation to an event @param service(unicode, None): PubSub service @param node(unicode): PubSub node of the event @param id_(unicode): id_ with even data """ if self._i is None: raise exceptions.FeatureNotFound( _(u'"Invitations" plugin is needed for this feature') ) if self._b is None: raise exceptions.FeatureNotFound( _(u'"XEP-0277" (blog) plugin is needed for this feature') ) service = service or client.jid.userhostJID() event_uri = xmpp_uri.buildXMPPUri( "pubsub", path=service.full(), node=node, item=id_ ) kwargs["extra"] = {u"event_uri": event_uri} invitation_data = yield self._i.create(**kwargs) invitee_jid = invitation_data[u"jid"] log.debug(_(u"invitation created")) # now that we have a jid, we can send normal invitation yield self.invite(client, invitee_jid, service, node, id_) @defer.inlineCallbacks def onInvitation(self, message_elt, client): invitation_elt = message_elt.invitation try: service = jid.JID(invitation_elt["service"]) node = invitation_elt["node"] event_id = invitation_elt["item"] except (RuntimeError, KeyError): log.warning(_(u"Bad invitation: {xml}").format(xml=message_elt.toXml())) event_elt = yield self.getEventElement(client, service, node, event_id) yield self.register(client, service, node, event_id, event_elt, creator=False) class EventsHandler(XMPPHandler): implements(iwokkel.IDisco) def __init__(self, plugin_parent): self.plugin_parent = plugin_parent @property def host(self): return self.plugin_parent.host def connectionInitialized(self): self.xmlstream.addObserver( INVITATION, self.plugin_parent.onInvitation, client=self.parent ) def getDiscoInfo(self, requestor, target, nodeIdentifier=""): return [ disco.DiscoFeature(NS_EVENT), disco.DiscoFeature(NS_EVENT_LIST), disco.DiscoFeature(NS_EVENT_INVIT), ] def getDiscoItems(self, requestor, target, nodeIdentifier=""): return []