gajim-plural/gajim/common/modules/http_auth.py

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# This file is part of Gajim.
#
# Gajim 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; version 3 only.
#
# Gajim 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 Gajim. If not, see <http://www.gnu.org/licenses/>.
# XEP-0070: Verifying HTTP Requests via XMPP
import logging
import nbxmpp
from gajim.common import app
from gajim.common.nec import NetworkIncomingEvent
log = logging.getLogger('gajim.c.m.http_auth')
class HTTPAuth:
def __init__(self, con):
self._con = con
self._account = con.name
self.handlers = [
('iq', self.answer_request, 'get', nbxmpp.NS_HTTP_AUTH),
('message', self.answer_request, '', nbxmpp.NS_HTTP_AUTH)
]
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def answer_request(self, _con, stanza):
log.info('Auth request received')
auto_answer = app.config.get_per(
'accounts', self._account, 'http_auth')
if auto_answer in ('yes', 'no'):
self.build_http_auth_answer(stanza, auto_answer)
raise nbxmpp.NodeProcessed
iq_id = stanza.getTagAttr('confirm', 'id')
method = stanza.getTagAttr('confirm', 'method')
url = stanza.getTagAttr('confirm', 'url')
# In case it's a message with a body
msg = stanza.getTagData('body')
app.nec.push_incoming_event(
HttpAuthReceivedEvent(None, conn=self._con,
iq_id=iq_id,
method=method,
url=url,
msg=msg,
stanza=stanza))
raise nbxmpp.NodeProcessed
def build_http_auth_answer(self, stanza, answer):
if answer == 'yes':
log.info('Auth request approved')
confirm = stanza.getTag('confirm')
reply = stanza.buildReply('result')
if stanza.getName() == 'message':
reply.addChild(node=confirm)
self._con.connection.send(reply)
elif answer == 'no':
log.info('Auth request denied')
err = nbxmpp.Error(stanza, nbxmpp.protocol.ERR_NOT_AUTHORIZED)
self._con.connection.send(err)
class HttpAuthReceivedEvent(NetworkIncomingEvent):
name = 'http-auth-received'
def get_instance(*args, **kwargs):
return HTTPAuth(*args, **kwargs), 'HTTPAuth'