Mercurial > libervia-backend
view sat/plugins/plugin_xep_0059.py @ 3296:da443cf946ad
comp file sharing: CORS:
- added CORS headers to allow using the HTTP server from an other domain
- added `Content-Security-Policy`
author | Goffi <goffi@goffi.org> |
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date | Tue, 09 Jun 2020 06:21:23 +0200 |
parents | 559a625a236b |
children | 384283adcce1 |
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#!/usr/bin/env python3 # SAT plugin for Result Set Management (XEP-0059) # Copyright (C) 2009-2020 Jérôme Poisson (goffi@goffi.org) # Copyright (C) 2013-2016 Adrien Cossa (souliane@mailoo.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 wokkel import disco from wokkel import iwokkel from wokkel import rsm from twisted.words.protocols.jabber import xmlstream from zope.interface import implementer PLUGIN_INFO = { C.PI_NAME: "Result Set Management", C.PI_IMPORT_NAME: "XEP-0059", C.PI_TYPE: "XEP", C.PI_PROTOCOLS: ["XEP-0059"], C.PI_MAIN: "XEP_0059", C.PI_HANDLER: "yes", C.PI_DESCRIPTION: _("""Implementation of Result Set Management"""), } RSM_PREFIX = "rsm_" class XEP_0059(object): # XXX: RSM management is done directly in Wokkel. def __init__(self, host): log.info(_("Result Set Management plugin initialization")) def getHandler(self, client): return XEP_0059_handler() def parseExtra(self, extra): """Parse extra dictionnary to retrieve RSM arguments @param extra(dict): data for parse @return (rsm.RSMRequest, None): request with parsed arguments or None if no RSM arguments have been found """ if int(extra.get(RSM_PREFIX + 'max', 0)) < 0: raise ValueError(_("rsm_max can't be negative")) rsm_args = {} for arg in ("max", "after", "before", "index"): try: argname = "max_" if arg == "max" else arg rsm_args[argname] = extra.pop(RSM_PREFIX + arg) except KeyError: continue if rsm_args: return rsm.RSMRequest(**rsm_args) else: return None def serialise(self, rsm_response, data=None): """Serialise data for RSM Key set in data can be: - rsm_first: first item id in the page - rsm_last: last item id in the page - rsm_index: position of the first item in the full set (may be approximate) - rsm_count: total number of items in the full set (may be approximage) If a value doesn't exists, it's not set. All values are set as strings. @param rsm_response(rsm.RSMResponse): response to serialise @param data(dict, None): dict to update with rsm_* data. If None, a new dict is created @return (dict): data dict """ if data is None: data = {} if rsm_response.first is not None: data["rsm_first"] = rsm_response.first if rsm_response.last is not None: data["rsm_last"] = rsm_response.last if rsm_response.index is not None: data["rsm_index"] = str(rsm_response.index) if rsm_response.index is not None: data["rsm_index"] = str(rsm_response.index) return data @implementer(iwokkel.IDisco) class XEP_0059_handler(xmlstream.XMPPHandler): def getDiscoInfo(self, requestor, target, nodeIdentifier=""): return [disco.DiscoFeature(rsm.NS_RSM)] def getDiscoItems(self, requestor, target, nodeIdentifier=""): return []