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# Copyright (C) 2018 Philipp Hörist <philipp AT hoerist.com>
#
# This file is part of nbxmpp.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; If not, see <http://www.gnu.org/licenses/>.
from nbxmpp.namespaces import Namespace
from nbxmpp.protocol import Iq
from nbxmpp.protocol import JID
from nbxmpp.modules.base import BaseModule
from nbxmpp.errors import StanzaError
from nbxmpp.errors import MalformedStanzaError
from nbxmpp.task import iq_request_task
from nbxmpp.structs import BlockingPush
from nbxmpp.structs import StanzaHandler
from nbxmpp.modules.util import process_response
class Blocking(BaseModule):
def __init__(self, client):
BaseModule.__init__(self, client)
self._client = client
self.handlers = [
StanzaHandler(name='iq',
priority=15,
callback=self._process_blocking_push,
typ='set',
ns=Namespace.BLOCKING),
]
@iq_request_task
def request_blocking_list(self):
_task = yield
result = yield _make_blocking_list_request()
if result.isError():
raise StanzaError(result)
blocklist = result.getTag('blocklist', namespace=Namespace.BLOCKING)
if blocklist is None:
raise MalformedStanzaError('blocklist node missing', result)
blocked = []
for item in blocklist.getTags('item'):
blocked.append(item.getAttr('jid'))
self._log.info('Received blocking list: %s', blocked)
yield blocked
@iq_request_task
def block(self, jids, report=None):
_task = yield
self._log.info('Block: %s', jids)
response = yield _make_block_request(jids, report)
yield process_response(response)
@iq_request_task
def unblock(self, jids):
_task = yield
self._log.info('Unblock: %s', jids)
response = yield _make_unblock_request(jids)
yield process_response(response)
@staticmethod
def _process_blocking_push(client, stanza, properties):
unblock = stanza.getTag('unblock', namespace=Namespace.BLOCKING)
if unblock is not None:
properties.blocking = _parse_push(unblock)
return
block = stanza.getTag('block', namespace=Namespace.BLOCKING)
if block is not None:
properties.blocking = _parse_push(block)
reply = stanza.buildSimpleReply('result')
client.send_stanza(reply)
def _make_blocking_list_request():
iq = Iq('get', Namespace.BLOCKING)
iq.setQuery('blocklist')
return iq
def _make_block_request(jids, report):
iq = Iq('set', Namespace.BLOCKING)
query = iq.setQuery(name='block')
for jid in jids:
item = query.addChild(name='item', attrs={'jid': jid})
if report in ('spam', 'abuse'):
action = item.addChild(name='report',
namespace=Namespace.REPORTING)
action.setTag(report)
return iq
def _make_unblock_request(jids):
iq = Iq('set', Namespace.BLOCKING)
query = iq.setQuery(name='unblock')
for jid in jids:
query.addChild(name='item', attrs={'jid': jid})
return iq
def _parse_push(node):
items = node.getTags('item')
if not items:
return BlockingPush(block=[], unblock=[], unblock_all=True)
jids = []
for item in items:
jid = item.getAttr('jid')
if not jid:
continue
try:
jid = JID.from_string(jid)
except Exception:
continue
jids.append(jid)
block, unblock = [], []
if node.getName() == 'block':
block = jids
else:
unblock = jids
return BlockingPush(block=block, unblock=unblock, unblock_all=False)
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