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"""
Module used to provide fixes for slixmpp functions not yet fixed
upstream.
TODO: Check that they are fixed and remove those hacks
"""
from slixmpp.stanza import Message
from slixmpp.xmlstream import ET
import logging
log = logging.getLogger(__name__)
def has_identity(xmpp, jid, identity, on_true=None, on_false=None):
def _cb(iq):
ident = lambda x: x[0]
res = identity in map(ident, iq['disco_info']['identities'])
if res and on_true is not None:
on_true()
if not res and on_false is not None:
on_false()
xmpp.plugin['xep_0030'].get_info(jid=jid, callback=_cb)
def get_version(xmpp, jid, callback=None, **kwargs):
def handle_result(res):
if res and res['type'] != 'error':
ret = res['software_version'].values
else:
ret = False
if callback:
callback(ret)
return ret
iq = xmpp.make_iq_get(ito=jid)
iq['query'] = 'jabber:iq:version'
result = iq.send(callback=handle_result if callback else None)
if not callback:
return handle_result(result)
def get_room_form(xmpp, room, callback):
def _cb(result):
if result["type"] == "error":
callback(None)
xform = result.xml.find('{http://jabber.org/protocol/muc#owner}query/{jabber:x:data}x')
if xform is None:
callback(None)
form = xmpp.plugin['xep_0004'].buildForm(xform)
callback(form)
iq = xmpp.make_iq_get(ito=room)
query = ET.Element('{http://jabber.org/protocol/muc#owner}query')
iq.append(query)
iq.send(callback=_cb)
def _filter_add_receipt_request(self, stanza):
"""
Auto add receipt requests to outgoing messages, if:
- ``self.auto_request`` is set to ``True``
- The message is not for groupchat
- The message does not contain a receipt acknowledgment
- The recipient is a bare JID or, if a full JID, one
that has the ``urn:xmpp:receipts`` feature enabled
- The message has a body
The disco cache is checked if a full JID is specified in
the outgoing message, which may mean a round-trip disco#info
delay for the first message sent to the JID if entity caps
are not used.
"""
if not self.auto_request:
return stanza
if not isinstance(stanza, Message):
return stanza
if stanza['request_receipt']:
return stanza
if not stanza['type'] in self.ack_types:
return stanza
if stanza['receipt']:
return stanza
if not stanza['body']:
return stanza
# hack
if stanza['to'].resource and not hasattr(stanza, '_add_receipt'):
return stanza
stanza['request_receipt'] = True
return stanza
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