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"""
SleekXMPP: The Sleek XMPP Library
Copyright (C) 2012 Nathanael C. Fritz,
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
This file is part of SleekXMPP.
See the file LICENSE for copying permission.
"""
import logging
import hashlib
from sleekxmpp.stanza import Iq
from sleekxmpp.exceptions import XMPPError
from sleekxmpp.xmlstream.handler import Callback
from sleekxmpp.xmlstream.matcher import StanzaPath
from sleekxmpp.xmlstream import register_stanza_plugin
from sleekxmpp.plugins.base import BasePlugin
from sleekxmpp.plugins.xep_0231 import stanza, BitsOfBinary
log = logging.getLogger(__name__)
class XEP_0231(BasePlugin):
"""
XEP-0231 Bits of Binary
"""
name = 'xep_0231'
description = 'XEP-0231: Bits of Binary'
dependencies = set(['xep_0030'])
def plugin_init(self):
self._cids = {}
self.xmpp['xep_0030'].add_feature('urn:xmpp:bob')
register_stanza_plugin(Iq, BitsOfBinary)
self.xmpp.register_handler(
Callback('Bits of Binary - Iq',
StanzaPath('iq/bob'),
self._handle_bob_iq))
self.xmpp.register_handler(
Callback('Bits of Binary - Message',
StanzaPath('message/bob'),
self._handle_bob))
self.xmpp.register_handler(
Callback('Bits of Binary - Presence',
StanzaPath('presence/bob'),
self._handle_bob))
self.api.register(self._get_bob, 'get_bob', default=True)
self.api.register(self._set_bob, 'set_bob', default=True)
self.api.register(self._del_bob, 'del_bob', default=True)
def set_bob(self, data, mtype, cid=None, max_age=None):
if cid is None:
cid = 'sha1+%s@bob.xmpp.org' % hashlib.sha1(data).hexdigest()
bob = BitsOfBinary()
bob['data'] = data
bob['type'] = mtype
bob['cid'] = cid
bob['max_age'] = max_age
self.api['set_bob'](args=bob)
return cid
def get_bob(self, jid=None, cid=None, cached=True, ifrom=None,
block=True, timeout=None, callback=None):
if cached:
data = self.api['get_bob'](None, None, ifrom, args=cid)
if data is not None:
if not isinstance(data, Iq):
iq = self.xmpp.Iq()
iq.append(data)
return iq
return data
iq = self.xmpp.Iq()
iq['to'] = jid
iq['from'] = ifrom
iq['type'] = 'get'
iq['bob']['cid'] = cid
return iq.send(block=block, timeout=timeout, callback=callback)
def del_bob(self, cid):
self.api['del_bob'](args=cid)
def _handle_bob_iq(self, iq):
cid = iq['bob']['cid']
if iq['type'] == 'result':
self.api['set_bob'](iq['from'], None, iq['to'], args=iq['bob'])
self.xmpp.event('bob', iq)
elif iq['type'] == 'get':
data = self.api['get_bob'](iq['to'], None, iq['from'], args=cid)
if isinstance(data, Iq):
data['id'] = iq['id']
data.send()
return
iq.reply()
iq.append(data)
iq.send()
def _handle_bob(self, stanza):
self.api['set_bob'](stanza['from'], None,
stanza['to'], args=stanza['bob'])
self.xmpp.event('bob', stanza)
# =================================================================
def _set_bob(self, jid, node, ifrom, bob):
self._cids[bob['cid']] = bob
def _get_bob(self, jid, node, ifrom, cid):
if cid in self._cids:
return self._cids[cid]
else:
raise XMPPError('item-not-found')
def _del_bob(self, jid, node, ifrom, cid):
if cid in self._cids:
del self._cids[cid]
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