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# Copyright (C) 2019 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/>.
import json
from gi.repository import Soup
from nbxmpp.protocol import NS_MUCLUMBUS
from nbxmpp.protocol import NS_DATA
from nbxmpp.protocol import NS_RSM
from nbxmpp.protocol import Node
from nbxmpp.protocol import Iq
from nbxmpp.protocol import isResultNode
from nbxmpp.structs import MuclumbusItem
from nbxmpp.structs import MuclumbusResult
from nbxmpp.const import AnonymityMode
from nbxmpp.modules.dataforms import extend_form
from nbxmpp.util import call_on_response
from nbxmpp.util import callback
from nbxmpp.util import raise_error
from nbxmpp.modules.base import BaseModule
# API Documentation
# https://search.jabber.network/docs/api
class Muclumbus(BaseModule):
def __init__(self, client):
BaseModule.__init__(self, client)
self._client = client
self.handlers = []
self._proxy_resolver = None
self._soup_session = Soup.Session()
def set_proxy(self, proxy):
if proxy is None:
return
self._proxy_resolver = proxy.get_resolver()
self._soup_session.props.proxy_resolver = self._proxy_resolver
@call_on_response('_parameters_received')
def request_parameters(self, jid):
query = Iq(to=jid, typ='get')
query.addChild(node=Node('search', attrs={'xmlns': NS_MUCLUMBUS}))
return query
@callback
def _parameters_received(self, stanza):
if not isResultNode(stanza):
return raise_error(self._log.info, stanza)
search = stanza.getTag('search', namespace=NS_MUCLUMBUS)
if search is None:
return raise_error(self._log.warning, stanza, 'stanza-malformed')
dataform = search.getTag('x', namespace=NS_DATA)
if dataform is None:
return raise_error(self._log.warning, stanza, 'stanza-malformed')
self._log.info('Muclumbus parameters received')
return extend_form(node=dataform)
@call_on_response('_search_received')
def set_search(self, jid, dataform, items_per_page=50, after=None):
search = Node('search', attrs={'xmlns': NS_MUCLUMBUS})
search.addChild(node=dataform)
rsm = search.addChild('set', namespace=NS_RSM)
rsm.addChild('max').setData(items_per_page)
if after is not None:
rsm.addChild('after').setData(after)
query = Iq(to=jid, typ='get')
query.addChild(node=search)
return query
def set_http_search(self, uri, keywords, after=None,
callback=None, user_data=None):
search = {'keywords': keywords}
if after is not None:
search['after'] = after
message = Soup.Message.new('POST', uri)
message.set_request('application/json',
Soup.MemoryUse.COPY,
json.dumps(search).encode())
self._soup_session.queue_message(message,
self._http_search_received,
callback,
user_data)
@callback
def _search_received(self, stanza):
if not isResultNode(stanza):
return raise_error(self._log.info, stanza)
result = stanza.getTag('result', namespace=NS_MUCLUMBUS)
if result is None:
return raise_error(self._log.warning, stanza, 'stanza-malformed')
items = result.getTags('item')
if not items:
return MuclumbusResult(first=None,
last=None,
max=None,
end=True,
items=[])
set_ = result.getTag('set', namespace=NS_RSM)
if set_ is None:
return raise_error(self._log.warning, stanza, 'stanza-malformed')
first = set_.getTagData('first')
last = set_.getTagData('last')
try:
max_ = int(set_.getTagData('max'))
except Exception:
return raise_error(self._log.warning, stanza, 'stanza-malformed')
results = []
for item in items:
jid = item.getAttr('address')
name = item.getTagData('name')
nusers = item.getTagData('nusers')
description = item.getTagData('description')
language = item.getTagData('language')
is_open = item.getTag('is-open') is not None
try:
anonymity_mode = AnonymityMode(
item.getTagData('anonymity-mode'))
except ValueError:
anonymity_mode = AnonymityMode.UNKNOWN
results.append(MuclumbusItem(jid=jid,
name=name or '',
nusers=nusers or '',
description=description or '',
language=language or '',
is_open=is_open,
anonymity_mode=anonymity_mode))
return MuclumbusResult(first=first,
last=last,
max=max_,
end=len(items) < max_,
items=results)
def _http_search_received(self, _session, message, callback, user_data):
def exec_callback(muclumbus_result):
if user_data is None:
callback(muclumbus_result)
else:
callback(muclumbus_result, user_data)
soup_body = message.get_property('response-body')
if message.status_code != 200:
self._log.warning(soup_body.data)
exec_callback(MuclumbusResult(first=None,
last=None,
max=None,
end=True,
items=[]))
response = json.loads(soup_body.data)
result = response['result']
items = result.get('items')
if items is None:
exec_callback(MuclumbusResult(first=None,
last=None,
max=None,
end=True,
items=[]))
results = []
for item in items:
try:
anonymity_mode = AnonymityMode(item['anonymity_mode'])
except (ValueError, KeyError):
anonymity_mode = AnonymityMode.UNKNOWN
results.append(
MuclumbusItem(jid=item['address'],
name=item['name'] or '',
nusers=str(item['nusers'] or ''),
description=item['description'] or '',
language=item['language'] or '',
is_open=item['is_open'],
anonymity_mode=anonymity_mode))
exec_callback(MuclumbusResult(first=None,
last=result['last'],
max=None,
end=not result['more'],
items=results))
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