Mercurial > libervia-backend
view sat/plugins/plugin_xep_0070.py @ 3243:f2e30aa031e9
bridge (pb): fixed conversions of Failure to BridgeException in non-AIO bridge
author | Goffi <goffi@goffi.org> |
---|---|
date | Wed, 01 Apr 2020 15:40:29 +0200 |
parents | 559a625a236b |
children | 524856bd7b19 |
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#!/usr/bin/env python3 # SAT plugin for managing xep-0070 # Copyright (C) 2009-2016 Geoffrey POUZET (chteufleur@kingpenguin.tk) # 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 _, D_ from sat.core.constants import Const as C from sat.core.log import getLogger from twisted.words.protocols.jabber import xmlstream from twisted.words.protocols import jabber log = getLogger(__name__) from sat.tools import xml_tools from wokkel import disco, iwokkel from zope.interface import implementer try: from twisted.words.protocols.xmlstream import XMPPHandler except ImportError: from wokkel.subprotocols import XMPPHandler NS_HTTP_AUTH = "http://jabber.org/protocol/http-auth" IQ = "iq" IQ_GET = "/" + IQ + '[@type="get"]' IQ_HTTP_AUTH_REQUEST = IQ_GET + '/confirm[@xmlns="' + NS_HTTP_AUTH + '"]' MSG = "message" MSG_GET = "/" + MSG + '[@type="normal"]' MSG_HTTP_AUTH_REQUEST = MSG_GET + '/confirm[@xmlns="' + NS_HTTP_AUTH + '"]' PLUGIN_INFO = { C.PI_NAME: "XEP-0070 Plugin", C.PI_IMPORT_NAME: "XEP-0070", C.PI_TYPE: "XEP", C.PI_PROTOCOLS: ["XEP-0070"], C.PI_DEPENDENCIES: [], C.PI_MAIN: "XEP_0070", C.PI_HANDLER: "yes", C.PI_DESCRIPTION: _("""Implementation of HTTP Requests via XMPP"""), } class XEP_0070(object): """ Implementation for XEP 0070. """ def __init__(self, host): log.info(_("Plugin XEP_0070 initialization")) self.host = host self._dictRequest = dict() def getHandler(self, client): return XEP_0070_handler(self, client.profile) def onHttpAuthRequestIQ(self, iq_elt, client): """This method is called on confirmation request received (XEP-0070 #4.5) @param iq_elt: IQ element @param client: %(doc_client)s """ log.info(_("XEP-0070 Verifying HTTP Requests via XMPP (iq)")) self._treatHttpAuthRequest(iq_elt, IQ, client) def onHttpAuthRequestMsg(self, msg_elt, client): """This method is called on confirmation request received (XEP-0070 #4.5) @param msg_elt: message element @param client: %(doc_client)s """ log.info(_("XEP-0070 Verifying HTTP Requests via XMPP (message)")) self._treatHttpAuthRequest(msg_elt, MSG, client) def _treatHttpAuthRequest(self, elt, stanzaType, client): elt.handled = True auth_elt = next(elt.elements(NS_HTTP_AUTH, "confirm")) auth_id = auth_elt["id"] auth_method = auth_elt["method"] auth_url = auth_elt["url"] self._dictRequest[client] = (auth_id, auth_method, auth_url, stanzaType, elt) title = D_("Auth confirmation") message = D_("{auth_url} needs to validate your identity, do you agree?\n" "Validation code : {auth_id}\n\n" "Please check that this code is the same as on {auth_url}" ).format(auth_url=auth_url, auth_id=auth_id) d = xml_tools.deferConfirm(self.host, message=message, title=title, profile=client.profile) d.addCallback(self._authRequestCallback, client) def _authRequestCallback(self, authorized, client): try: auth_id, auth_method, auth_url, stanzaType, elt = self._dictRequest.pop( client) except KeyError: authorized = False if authorized: if stanzaType == IQ: # iq log.debug(_("XEP-0070 reply iq")) iq_result_elt = xmlstream.toResponse(elt, "result") client.send(iq_result_elt) elif stanzaType == MSG: # message log.debug(_("XEP-0070 reply message")) msg_result_elt = xmlstream.toResponse(elt, "result") msg_result_elt.addChild(next(elt.elements(NS_HTTP_AUTH, "confirm"))) client.send(msg_result_elt) else: log.debug(_("XEP-0070 reply error")) result_elt = jabber.error.StanzaError("not-authorized").toResponse(elt) client.send(result_elt) @implementer(iwokkel.IDisco) class XEP_0070_handler(XMPPHandler): def __init__(self, plugin_parent, profile): self.plugin_parent = plugin_parent self.host = plugin_parent.host self.profile = profile def connectionInitialized(self): self.xmlstream.addObserver( IQ_HTTP_AUTH_REQUEST, self.plugin_parent.onHttpAuthRequestIQ, client=self.parent, ) self.xmlstream.addObserver( MSG_HTTP_AUTH_REQUEST, self.plugin_parent.onHttpAuthRequestMsg, client=self.parent, ) def getDiscoInfo(self, requestor, target, nodeIdentifier=""): return [disco.DiscoFeature(NS_HTTP_AUTH)] def getDiscoItems(self, requestor, target, nodeIdentifier=""): return []