diff options
Diffstat (limited to 'sleekxmpp/plugins/xep_0047/ibb.py')
| -rw-r--r-- | sleekxmpp/plugins/xep_0047/ibb.py | 215 |
1 files changed, 0 insertions, 215 deletions
diff --git a/sleekxmpp/plugins/xep_0047/ibb.py b/sleekxmpp/plugins/xep_0047/ibb.py deleted file mode 100644 index 62dddac2..00000000 --- a/sleekxmpp/plugins/xep_0047/ibb.py +++ /dev/null @@ -1,215 +0,0 @@ -import uuid -import logging -import threading - -from sleekxmpp import Message, 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 import BasePlugin -from sleekxmpp.plugins.xep_0047 import stanza, Open, Close, Data, IBBytestream - - -log = logging.getLogger(__name__) - - -class XEP_0047(BasePlugin): - - name = 'xep_0047' - description = 'XEP-0047: In-band Bytestreams' - dependencies = set(['xep_0030']) - stanza = stanza - default_config = { - 'block_size': 4096, - 'max_block_size': 8192, - 'window_size': 1, - 'auto_accept': False, - } - - def plugin_init(self): - self._streams = {} - self._pending_streams = {} - self._pending_lock = threading.Lock() - self._stream_lock = threading.Lock() - - self._preauthed_sids_lock = threading.Lock() - self._preauthed_sids = {} - - register_stanza_plugin(Iq, Open) - register_stanza_plugin(Iq, Close) - register_stanza_plugin(Iq, Data) - register_stanza_plugin(Message, Data) - - self.xmpp.register_handler(Callback( - 'IBB Open', - StanzaPath('iq@type=set/ibb_open'), - self._handle_open_request)) - - self.xmpp.register_handler(Callback( - 'IBB Close', - StanzaPath('iq@type=set/ibb_close'), - self._handle_close)) - - self.xmpp.register_handler(Callback( - 'IBB Data', - StanzaPath('iq@type=set/ibb_data'), - self._handle_data)) - - self.xmpp.register_handler(Callback( - 'IBB Message Data', - StanzaPath('message/ibb_data'), - self._handle_data)) - - self.api.register(self._authorized, 'authorized', default=True) - self.api.register(self._authorized_sid, 'authorized_sid', default=True) - self.api.register(self._preauthorize_sid, 'preauthorize_sid', default=True) - self.api.register(self._get_stream, 'get_stream', default=True) - self.api.register(self._set_stream, 'set_stream', default=True) - self.api.register(self._del_stream, 'del_stream', default=True) - - def plugin_end(self): - self.xmpp.remove_handler('IBB Open') - self.xmpp.remove_handler('IBB Close') - self.xmpp.remove_handler('IBB Data') - self.xmpp.remove_handler('IBB Message Data') - self.xmpp['xep_0030'].del_feature(feature='http://jabber.org/protocol/ibb') - - def session_bind(self, jid): - self.xmpp['xep_0030'].add_feature('http://jabber.org/protocol/ibb') - - def _get_stream(self, jid, sid, peer_jid, data): - return self._streams.get((jid, sid, peer_jid), None) - - def _set_stream(self, jid, sid, peer_jid, stream): - self._streams[(jid, sid, peer_jid)] = stream - - def _del_stream(self, jid, sid, peer_jid, data): - with self._stream_lock: - if (jid, sid, peer_jid) in self._streams: - del self._streams[(jid, sid, peer_jid)] - - def _accept_stream(self, iq): - receiver = iq['to'] - sender = iq['from'] - sid = iq['ibb_open']['sid'] - - if self.api['authorized_sid'](receiver, sid, sender, iq): - return True - return self.api['authorized'](receiver, sid, sender, iq) - - def _authorized(self, jid, sid, ifrom, iq): - if self.auto_accept: - if iq['ibb_open']['block_size'] <= self.max_block_size: - return True - return False - - def _authorized_sid(self, jid, sid, ifrom, iq): - with self._preauthed_sids_lock: - if (jid, sid, ifrom) in self._preauthed_sids: - del self._preauthed_sids[(jid, sid, ifrom)] - return True - return False - - def _preauthorize_sid(self, jid, sid, ifrom, data): - with self._preauthed_sids_lock: - self._preauthed_sids[(jid, sid, ifrom)] = True - - def open_stream(self, jid, block_size=None, sid=None, window=1, use_messages=False, - ifrom=None, block=True, timeout=None, callback=None): - if sid is None: - sid = str(uuid.uuid4()) - if block_size is None: - block_size = self.block_size - - iq = self.xmpp.Iq() - iq['type'] = 'set' - iq['to'] = jid - iq['from'] = ifrom - iq['ibb_open']['block_size'] = block_size - iq['ibb_open']['sid'] = sid - iq['ibb_open']['stanza'] = 'iq' - - stream = IBBytestream(self.xmpp, sid, block_size, - iq['from'], iq['to'], window, - use_messages) - - with self._stream_lock: - self._pending_streams[iq['id']] = stream - - self._pending_streams[iq['id']] = stream - - if block: - resp = iq.send(timeout=timeout) - self._handle_opened_stream(resp) - return stream - else: - cb = None - if callback is not None: - def chained(resp): - self._handle_opened_stream(resp) - callback(resp) - cb = chained - else: - cb = self._handle_opened_stream - return iq.send(block=block, timeout=timeout, callback=cb) - - def _handle_opened_stream(self, iq): - if iq['type'] == 'result': - with self._stream_lock: - stream = self._pending_streams.get(iq['id'], None) - if stream is not None: - log.debug('IBB stream (%s) accepted by %s', stream.sid, iq['from']) - stream.self_jid = iq['to'] - stream.peer_jid = iq['from'] - stream.stream_started.set() - self.api['set_stream'](stream.self_jid, stream.sid, stream.peer_jid, stream) - self.xmpp.event('ibb_stream_start', stream) - self.xmpp.event('stream:%s:%s' % (stream.sid, stream.peer_jid), stream) - - with self._stream_lock: - if iq['id'] in self._pending_streams: - del self._pending_streams[iq['id']] - - def _handle_open_request(self, iq): - sid = iq['ibb_open']['sid'] - size = iq['ibb_open']['block_size'] or self.block_size - - log.debug('Received IBB stream request from %s', iq['from']) - - if not sid: - raise XMPPError(etype='modify', condition='bad-request') - - if not self._accept_stream(iq): - raise XMPPError(etype='modify', condition='not-acceptable') - - if size > self.max_block_size: - raise XMPPError('resource-constraint') - - stream = IBBytestream(self.xmpp, sid, size, - iq['to'], iq['from'], - self.window_size) - stream.stream_started.set() - self.api['set_stream'](stream.self_jid, stream.sid, stream.peer_jid, stream) - iq.reply() - iq.send() - - self.xmpp.event('ibb_stream_start', stream) - self.xmpp.event('stream:%s:%s' % (sid, stream.peer_jid), stream) - - def _handle_data(self, stanza): - sid = stanza['ibb_data']['sid'] - stream = self.api['get_stream'](stanza['to'], sid, stanza['from']) - if stream is not None and stanza['from'] == stream.peer_jid: - stream._recv_data(stanza) - else: - raise XMPPError('item-not-found') - - def _handle_close(self, iq): - sid = iq['ibb_close']['sid'] - stream = self.api['get_stream'](iq['to'], sid, iq['from']) - if stream is not None and iq['from'] == stream.peer_jid: - stream._closed(iq) - self.api['del_stream'](stream.self_jid, stream.sid, stream.peer_jid) - else: - raise XMPPError('item-not-found') |