Mercurial > libervia-backend
view libervia/backend/plugins/plugin_xep_0191.py @ 4334:111dce64dcb5
plugins XEP-0300, XEP-0446, XEP-0447, XEP0448 and others: Refactoring to use Pydantic:
Pydantic models are used more and more in Libervia, for the bridge API, and also to
convert `domish.Element` to internal representation.
Type hints have also been added in many places.
rel 453
author | Goffi <goffi@goffi.org> |
---|---|
date | Tue, 03 Dec 2024 00:12:38 +0100 |
parents | 0d7bb4df2343 |
children |
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#!/usr/bin/env python3 # Libervia plugin for XEP-0191 # Copyright (C) 2009-2022 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 typing import List, Set from twisted.words.protocols.jabber import xmlstream, jid from twisted.words.xish import domish from twisted.internet import defer from zope.interface import implementer from wokkel import disco, iwokkel from libervia.backend.core.constants import Const as C from libervia.backend.core.i18n import _ from libervia.backend.core.log import getLogger from libervia.backend.core.core_types import SatXMPPEntity from libervia.backend.tools.utils import ensure_deferred log = getLogger(__name__) PLUGIN_INFO = { C.PI_NAME: "Blokcing Commands", C.PI_IMPORT_NAME: "XEP-0191", C.PI_TYPE: C.PLUG_TYPE_XEP, C.PI_MODES: C.PLUG_MODE_BOTH, C.PI_PROTOCOLS: ["XEP-0191"], C.PI_DEPENDENCIES: ["XEP-0060", "XEP-0376"], C.PI_MAIN: "XEP_0191", C.PI_HANDLER: "yes", C.PI_DESCRIPTION: _("""Implement the protocol to block users or whole domains"""), } NS_BLOCKING = "urn:xmpp:blocking" IQ_BLOCK_PUSH = f'{C.IQ_SET}/block[@xmlns="{NS_BLOCKING}"]' IQ_UNBLOCK_PUSH = f'{C.IQ_SET}/unblock[@xmlns="{NS_BLOCKING}"]' class XEP_0191: def __init__(self, host): log.info(_("Blocking Command initialization")) host.register_namespace("blocking", NS_BLOCKING) self.host = host host.bridge.add_method( "blocking_list", ".plugin", in_sign="s", out_sign="as", method=self._block_list, async_=True, ) host.bridge.add_method( "blocking_block", ".plugin", in_sign="ass", out_sign="", method=self._block, async_=True, ) host.bridge.add_method( "blocking_unblock", ".plugin", in_sign="ass", out_sign="", method=self._unblock, async_=True, ) def get_handler(self, client): return XEP_0191_Handler(self) @ensure_deferred async def _block_list(self, profile_key=C.PROF_KEY_NONE) -> List[str]: client = self.host.get_client(profile_key) blocked_jids = await self.block_list(client) return [j.full() for j in blocked_jids] async def block_list(self, client: SatXMPPEntity) -> Set[jid.JID]: await self.host.check_feature(client, NS_BLOCKING) iq_elt = client.IQ("get") iq_elt.addElement((NS_BLOCKING, "blocklist")) iq_result_elt = await iq_elt.send() try: blocklist_elt = next(iq_result_elt.elements(NS_BLOCKING, "blocklist")) except StopIteration: log.warning(f"missing <blocklist> element: {iq_result_elt.toXml()}") return [] blocked_jids = set() for item_elt in blocklist_elt.elements(NS_BLOCKING, "item"): try: blocked_jid = jid.JID(item_elt["jid"]) except (RuntimeError, AttributeError): log.warning(f"Invalid <item> element in block list: {item_elt.toXml()}") else: blocked_jids.add(blocked_jid) return blocked_jids def _block(self, entities: List[str], profile_key: str = C.PROF_KEY_NONE) -> str: client = self.host.get_client(profile_key) return defer.ensureDeferred( self.block(client, [jid.JID(entity) for entity in entities]) ) async def block(self, client: SatXMPPEntity, entities: List[jid.JID]) -> None: await self.host.check_feature(client, NS_BLOCKING) iq_elt = client.IQ("set") block_elt = iq_elt.addElement((NS_BLOCKING, "block")) for entity in entities: item_elt = block_elt.addElement("item") item_elt["jid"] = entity.full() await iq_elt.send() def _unblock(self, entities: List[str], profile_key: str = C.PROF_KEY_NONE) -> None: client = self.host.get_client(profile_key) return defer.ensureDeferred(self.unblock(client, [jid.JID(e) for e in entities])) async def unblock(self, client: SatXMPPEntity, entities: List[jid.JID]) -> None: await self.host.check_feature(client, NS_BLOCKING) iq_elt = client.IQ("set") unblock_elt = iq_elt.addElement((NS_BLOCKING, "unblock")) for entity in entities: item_elt = unblock_elt.addElement("item") item_elt["jid"] = entity.full() await iq_elt.send() def on_block_push(self, iq_elt: domish.Element, client: SatXMPPEntity) -> None: # TODO: send notification to user iq_elt.handled = True for item_elt in iq_elt.block.elements(NS_BLOCKING, "item"): try: entity = jid.JID(item_elt["jid"]) except (KeyError, RuntimeError): log.warning(f"invalid item received in block push: {item_elt.toXml()}") else: log.info(f"{entity.full()} has been blocked for {client.profile}") iq_result_elt = xmlstream.toResponse(iq_elt, "result") client.send(iq_result_elt) def on_unblock_push(self, iq_elt: domish.Element, client: SatXMPPEntity) -> None: # TODO: send notification to user iq_elt.handled = True items = list(iq_elt.unblock.elements(NS_BLOCKING, "item")) if not items: log.info(f"All entities have been unblocked for {client.profile}") else: for item_elt in items: try: entity = jid.JID(item_elt["jid"]) except (KeyError, RuntimeError): log.warning( f"invalid item received in unblock push: {item_elt.toXml()}" ) else: log.info(f"{entity.full()} has been unblocked for {client.profile}") iq_result_elt = xmlstream.toResponse(iq_elt, "result") client.send(iq_result_elt) @implementer(iwokkel.IDisco) class XEP_0191_Handler(xmlstream.XMPPHandler): def __init__(self, plugin_parent: XEP_0191): self.plugin_parent = plugin_parent def connectionInitialized(self): self.xmlstream.addObserver( IQ_BLOCK_PUSH, self.plugin_parent.on_block_push, client=self.parent ) self.xmlstream.addObserver( IQ_UNBLOCK_PUSH, self.plugin_parent.on_unblock_push, client=self.parent ) def getDiscoInfo(self, requestor, service, nodeIdentifier=""): return [disco.DiscoFeature(NS_BLOCKING)] def getDiscoItems(self, requestor, service, nodeIdentifier=""): return []