Mercurial > libervia-backend
view src/plugins/plugin_misc_groupblog.py @ 2182:087eec4c6c07
memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict:
- merged private values method handling in sqlite, and added a keys arguments to get only some keys
- LazyPersistentBinaryDict allow to get values in database only when they are needed, saving memory for big data
author | Goffi <goffi@goffi.org> |
---|---|
date | Sun, 12 Mar 2017 19:33:17 +0100 |
parents | a543eda2c923 |
children | 40dd9eb2692c |
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#!/usr/bin/env python2 # -*- coding: utf-8 -*- # SAT plugin for microbloging with roster access # Copyright (C) 2009-2016 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.constants import Const as C from sat.core.log import getLogger log = getLogger(__name__) from twisted.internet import defer from sat.core import exceptions from wokkel import disco, data_form, iwokkel from zope.interface import implements from sat.tools.common import data_format try: from twisted.words.protocols.xmlstream import XMPPHandler except ImportError: from wokkel.subprotocols import XMPPHandler NS_PUBSUB = 'http://jabber.org/protocol/pubsub' NS_GROUPBLOG = 'http://salut-a-toi.org/protocol/groupblog' #NS_PUBSUB_EXP = 'http://goffi.org/protocol/pubsub' #for non official features NS_PUBSUB_EXP = NS_PUBSUB # XXX: we can't use custom namespace as Wokkel's PubSubService use official NS NS_PUBSUB_GROUPBLOG = NS_PUBSUB_EXP + "#groupblog" NS_PUBSUB_ITEM_CONFIG = NS_PUBSUB_EXP + "#item-config" PLUGIN_INFO = { C.PI_NAME: "Group blogging through collections", C.PI_IMPORT_NAME: "GROUPBLOG", C.PI_TYPE: "MISC", C.PI_PROTOCOLS: [], C.PI_DEPENDENCIES: ["XEP-0277"], C.PI_MAIN: "GroupBlog", C.PI_HANDLER: "yes", C.PI_DESCRIPTION: _("""Implementation of microblogging fine permissions""") } class GroupBlog(object): """This class use a SàT PubSub Service to manage access on microblog""" def __init__(self, host): log.info(_("Group blog plugin initialization")) self.host = host self._p = self.host.plugins["XEP-0060"] host.trigger.add("XEP-0277_item2data", self._item2dataTrigger) host.trigger.add("XEP-0277_data2entry", self._data2entryTrigger) host.trigger.add("XEP-0277_comments", self._commentsTrigger) ## plugin management methods ## def getHandler(self, client): return GroupBlog_handler() @defer.inlineCallbacks def profileConnected(self, client): try: yield self.host.checkFeatures(client, (NS_PUBSUB_GROUPBLOG,)) except exceptions.FeatureNotFound: client.server_groupblog_available = False log.warning(_(u"Server is not able to manage item-access pubsub, we can't use group blog")) else: client.server_groupblog_available = True log.info(_(u"Server can manage group blogs")) def getFeatures(self, profile): try: client = self.host.getClient(profile) except exceptions.ProfileNotSetError: return {} try: return {'available': C.boolConst(client.server_groupblog_available)} except AttributeError: if self.host.isConnected(profile): log.debug("Profile is not connected, service is not checked yet") else: log.error("client.server_groupblog_available should be available !") return {} def _item2dataTrigger(self, item_elt, entry_elt, microblog_data): """Parse item to find group permission elements""" config_form = data_form.findForm(item_elt, NS_PUBSUB_ITEM_CONFIG) if config_form is None: return access_model = config_form.get(self._p.OPT_ACCESS_MODEL, self._p.ACCESS_OPEN) # FIXME: ACCESS_ROSTER need to be changed to a new ACCESS_PUBLISHER_ROSTER when available if access_model == self._p.ACCESS_ROSTER: data_format.iter2dict('group', config_form.fields[self._p.OPT_ROSTER_GROUPS_ALLOWED].values, microblog_data) def _data2entryTrigger(self, client, mb_data, entry_elt, item_elt): """Build fine access permission if needed This trigger check if "group*" key are present, and create a fine item config to restrict view to these groups """ groups = list(data_format.dict2iter('group', mb_data)) if not groups: return if not client.server_groupblog_available: raise exceptions.CancelError(u"GroupBlog is not available") log.debug(u"This entry use group blog") form = data_form.Form('submit', formNamespace=NS_PUBSUB_ITEM_CONFIG) # FIXME: ACCESS_ROSTER need to be changed to a new ACCESS_PUBLISHER_ROSTER when available access = data_form.Field(None, self._p.OPT_ACCESS_MODEL, value=self._p.ACCESS_ROSTER) allowed = data_form.Field(None, self._p.OPT_ROSTER_GROUPS_ALLOWED, values=groups) form.addField(access) form.addField(allowed) item_elt.addChild(form.toElement()) def _commentsTrigger(self, client, mb_data, options): """This method is called when a comments node is about to be created It changes the access mode to roster if needed, and give the authorized groups """ if "group" in mb_data: # FIXME: ACCESS_ROSTER need to be changed to a new ACCESS_PUBLISHER_ROSTER when available options[self._p.OPT_ACCESS_MODEL] = self._p.ACCESS_ROSTER options[self._p.OPT_ROSTER_GROUPS_ALLOWED] = list(data_format.dict2iter('group', mb_data)) class GroupBlog_handler(XMPPHandler): implements(iwokkel.IDisco) def getDiscoInfo(self, requestor, target, nodeIdentifier=''): return [disco.DiscoFeature(NS_GROUPBLOG)] def getDiscoItems(self, requestor, target, nodeIdentifier=''): return []