libervia-backend: src/plugins/plugin_xep

annotate src/plugins/plugin_xep_0260.py @ 1758:a66d34353f34

plugin XEP-0260, XEP-0065: fixed session hash handling: with XEP-0260, we need to manage 2 hashes (one with SHA1(SID + Initiator JID + Responder JID) and the other with SHA1(SID + Responder JID + Initiator JID)). This was not handled correclty, resulting in transfer failure in several cases.

author	Goffi <goffi@goffi.org>
date	Thu, 17 Dec 2015 22:37:59 +0100
parents	abd6d6f89006
children	d17772b0fe22

rev	line source
1560 dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	1 #!/usr/bin/python
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	2 # -- coding: utf-8 --
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	3
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	4 # SAT plugin for Jingle (XEP-0260)
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	5 # Copyright (C) 2009, 2010, 2011, 2012, 2013, 2014, 2015 Jérôme Poisson (goffi@goffi.org)
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	6
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	7 # This program is free software: you can redistribute it and/or modify
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	8 # it under the terms of the GNU Affero General Public License as published by
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	9 # the Free Software Foundation, either version 3 of the License, or
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	10 # (at your option) any later version.
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	11
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	12 # This program is distributed in the hope that it will be useful,
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	15 # GNU Affero General Public License for more details.
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	16
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	17 # You should have received a copy of the GNU Affero General Public License
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	19
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	20 from sat.core.i18n import _
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	21 from sat.core.log import getLogger
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	22 log = getLogger(__name__)
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	23 from sat.core import exceptions
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	24 from wokkel import disco, iwokkel
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	25 from zope.interface import implements
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	26 from twisted.words.xish import domish
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	27 from twisted.words.protocols.jabber import jid
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	28 from twisted.internet import defer
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	29 import uuid
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	30
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	31 try:
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	32 from twisted.words.protocols.xmlstream import XMPPHandler
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	33 except ImportError:
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	34 from wokkel.subprotocols import XMPPHandler
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	35
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	36
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	37 NS_JINGLE_S5B = 'urn:xmpp:jingle:transports:s5b:1'
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	38
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	39 PLUGIN_INFO = {
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	40 "name": "Jingle SOCKS5 Bytestreams",
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	41 "import_name": "XEP-0260",
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	42 "type": "XEP",
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	43 "protocols": ["XEP-0260"],
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	44 "dependencies": ["XEP-0166", "XEP-0065"],
1631 25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented Goffi <goffi@goffi.org> parents: 1571 diff changeset	45 "recommendations": ["XEP-0261"], # needed for fallback
1560 dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	46 "main": "XEP_0260",
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	47 "handler": "yes",
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	48 "description": _("""Implementation of Jingle SOCKS5 Bytestreams""")
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	49 }
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	50
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	51
1570 37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	52 class ProxyError(Exception):
1756 061011fad5b1 plugin XEP-0260: better proxy error handling: Goffi <goffi@goffi.org> parents: 1755 diff changeset	53
061011fad5b1 plugin XEP-0260: better proxy error handling: Goffi <goffi@goffi.org> parents: 1755 diff changeset	54 def __str__(self):
061011fad5b1 plugin XEP-0260: better proxy error handling: Goffi <goffi@goffi.org> parents: 1755 diff changeset	55 return "an error happened while trying to use the proxy"
1570 37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	56
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	57
1560 dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	58 class XEP_0260(object):
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	59 # TODO: udp handling
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	60
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	61 def __init__(self, host):
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	62 log.info(_("plugin Jingle SOCKS5 Bytestreams"))
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	63 self.host = host
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	64 self._j = host.plugins["XEP-0166"] # shortcut to access jingle
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	65 self._s5b = host.plugins["XEP-0065"] # and socks5 bytestream
1631 25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented Goffi <goffi@goffi.org> parents: 1571 diff changeset	66 try:
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented Goffi <goffi@goffi.org> parents: 1571 diff changeset	67 self._jingle_ibb = host.plugins["XEP-0261"]
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented Goffi <goffi@goffi.org> parents: 1571 diff changeset	68 except KeyError:
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented Goffi <goffi@goffi.org> parents: 1571 diff changeset	69 self._jingle_ibb = None
1560 dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	70 self._j.registerTransport(NS_JINGLE_S5B, self._j.TRANSPORT_STREAMING, self, 100)
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	71
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	72 def getHandler(self, profile):
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	73 return XEP_0260_handler()
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	74
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	75 def _parseCandidates(self, transport_elt):
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	76 """Parse <candidate> elements
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	77
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	78 @param transport_elt(domish.Element): parent <transport> element
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	79 @return (list[plugin_xep_0065.Candidate): list of parsed candidates
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	80 """
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	81 candidates = []
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	82 for candidate_elt in transport_elt.elements(NS_JINGLE_S5B, 'candidate'):
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	83 try:
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	84 cid = candidate_elt['cid']
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	85 host = candidate_elt['host']
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	86 jid_= jid.JID(candidate_elt['jid'])
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	87 port = int(candidate_elt.getAttribute('port', 1080))
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	88 priority = int(candidate_elt['priority'])
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	89 type_ = candidate_elt.getAttribute('type', self._s5b.TYPE_DIRECT)
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	90 except (KeyError, ValueError):
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	91 raise exceptions.DataError()
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	92 candidate = self._s5b.Candidate(host, port, type_, priority, jid_, cid)
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	93 candidates.append(candidate)
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	94 # self._s5b.registerCandidate(candidate)
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	95 return candidates
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	96
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	97 def _buildCandidates(self, session, candidates, sid, session_hash, client, mode=None):
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	98 """Build <transport> element with candidates
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	99
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	100 @param session(dict): jingle session data
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	101 @param candidates(iterator[plugin_xep_0065.Candidate]): iterator of candidates to add
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	102 @param sid(unicode): transport stream id
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	103 @param client: %(doc_client)s
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	104 @param mode(str, None): 'tcp' or 'udp', or None to have no attribute
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	105 @return (domish.Element): parent <transport> element where <candidate> elements must be added
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	106 """
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	107 proxy = next((candidate for candidate in candidates if candidate.type == self._s5b.TYPE_PROXY), None)
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	108 transport_elt = domish.Element((NS_JINGLE_S5B, "transport"))
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	109 transport_elt['sid'] = sid
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	110 if proxy is not None:
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	111 transport_elt['dstaddr'] = session_hash
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	112 if mode is not None:
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	113 transport_elt['mode'] = 'tcp' # XXX: we only manage tcp for now
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	114
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	115 for candidate in candidates:
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	116 log.debug(u"Adding candidate: {}".format(candidate))
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	117 candidate_elt = transport_elt.addElement('candidate', NS_JINGLE_S5B)
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	118 if candidate.id is None:
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	119 candidate.id = unicode(uuid.uuid4())
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	120 candidate_elt['cid'] = candidate.id
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	121 candidate_elt['host'] = candidate.host
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	122 candidate_elt['jid'] = candidate.jid.full()
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	123 candidate_elt['port'] = unicode(candidate.port)
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	124 candidate_elt['priority'] = unicode(candidate.priority)
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	125 candidate_elt['type'] = candidate.type
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	126 return transport_elt
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	127
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	128 @defer.inlineCallbacks
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	129 def jingleSessionInit(self, session, content_name, profile):
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	130 client = self.host.getClient(profile)
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	131 content_data = session['contents'][content_name]
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	132 transport_data = content_data['transport_data']
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	133 sid = transport_data['sid'] = unicode(uuid.uuid4())
1567 268fda4236ca plugins XE0166, XEP-0234, XEP-0260, XEP-0261: renamed session key managing other peer's jid to "peer_jid" instead of "to_jid" Goffi <goffi@goffi.org> parents: 1560 diff changeset	134 session_hash = transport_data['session_hash'] = self._s5b.getSessionHash(client.jid, session['peer_jid'], sid)
1758 a66d34353f34 plugin XEP-0260, XEP-0065: fixed session hash handling: Goffi <goffi@goffi.org> parents: 1757 diff changeset	135 transport_data['peer_session_hash'] = self._s5b.getSessionHash(session['peer_jid'], client.jid, sid) # requester and target are inversed for peer candidates
1757 abd6d6f89006 plugins XEP-0065, XEP-0260: fixed session creation order: session is created earlied, and file object associated in a second time if needed Goffi <goffi@goffi.org> parents: 1756 diff changeset	136 transport_data['stream_d'] = self._s5b.registerHash(session_hash, None, profile)
1560 dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	137 candidates = transport_data['candidates'] = yield self._s5b.getCandidates(profile)
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	138 mode = 'tcp' # XXX: we only manage tcp for now
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	139 transport_elt = self._buildCandidates(session, candidates, sid, session_hash, client, mode)
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	140
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	141 defer.returnValue(transport_elt)
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	142
1570 37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	143 def _proxyActivatedCb(self, iq_result_elt, candidate, session, content_name, profile):
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	144 """Called when activation confirmation has been received from proxy
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	145
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	146 cf XEP-0260 § 2.4
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	147 """
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	148 # now that the proxy is activated, we have to inform other peer
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	149 iq_elt, transport_elt = self._j.buildAction(self._j.A_TRANSPORT_INFO, session, content_name, profile)
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	150 activated_elt = transport_elt.addElement('activated')
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	151 activated_elt['cid'] = candidate.id
1631 25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented Goffi <goffi@goffi.org> parents: 1571 diff changeset	152 iq_elt.send()
1570 37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	153
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	154 def _proxyActivatedEb(self, stanza_error, candidate, session, content_name, profile):
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	155 """Called when activation error has been received from proxy
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	156
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	157 cf XEP-0260 § 2.4
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	158 """
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	159 # TODO: fallback to IBB
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	160 # now that the proxy is activated, we have to inform other peer
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	161 iq_elt, transport_elt = self._j.buildAction(self._j.A_TRANSPORT_INFO, session, content_name, profile)
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	162 transport_elt.addElement('proxy-error')
1631 25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented Goffi <goffi@goffi.org> parents: 1571 diff changeset	163 iq_elt.send()
1756 061011fad5b1 plugin XEP-0260: better proxy error handling: Goffi <goffi@goffi.org> parents: 1755 diff changeset	164 log.warning(u"Can't activate proxy, we need to fallback to IBB: {reason}"
061011fad5b1 plugin XEP-0260: better proxy error handling: Goffi <goffi@goffi.org> parents: 1755 diff changeset	165 .format(reason = stanza_error.value.condition))
1631 25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented Goffi <goffi@goffi.org> parents: 1571 diff changeset	166 client = self.host.getClient(profile)
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented Goffi <goffi@goffi.org> parents: 1571 diff changeset	167 self.doFallback(session, content_name, client)
1570 37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	168
1560 dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	169 def _foundPeerCandidate(self, candidate, session, transport_data, content_name, client):
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	170 """Called when the best candidate from other peer is found
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	171
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	172 @param candidate(XEP_0065.Candidate, None): selected candidate,
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	173 or None if no candidate is accessible
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	174 @param session(dict): session data
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	175 @param transport_data(dict): transport data
1570 37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	176 @param content_name(unicode): name of the current content
1560 dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	177 @param client(unicode): %(doc_client)s
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	178 """
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	179
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	180 transport_data['best_candidate'] = candidate
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	181 # we need to disconnect all non selected candidates before removing them
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	182 for c in transport_data['peer_candidates']:
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	183 if c is None or c is candidate:
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	184 continue
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	185 c.discard()
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	186 del transport_data['peer_candidates']
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	187 iq_elt, transport_elt = self._j.buildAction(self._j.A_TRANSPORT_INFO, session, content_name, client.profile)
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	188 if candidate is None:
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	189 log.warning(u"Can't connect to any peer candidate")
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	190 candidate_elt = transport_elt.addElement('candidate-error')
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	191 else:
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	192 log.info(u"Found best peer candidate: {}".format(unicode(candidate)))
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	193 candidate_elt = transport_elt.addElement('candidate-used')
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	194 candidate_elt['cid'] = candidate.id
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	195 iq_elt.send() # TODO: check result stanza
1570 37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	196 self._checkCandidates(session, content_name, transport_data, client)
1560 dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	197
1570 37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	198 def _checkCandidates(self, session, content_name, transport_data, client):
1560 dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	199 """Called when a candidate has been choosed
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	200
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	201 if we have both candidates, we select one, or fallback to an other transport
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	202 @param session(dict): session data
1570 37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	203 @param content_name(unicode): name of the current content
1560 dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	204 @param transport_data(dict): transport data
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	205 @param client(unicode): %(doc_client)s
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	206 """
1570 37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	207 content_data = session['contents'][content_name]
1560 dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	208 try:
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	209 best_candidate = transport_data['best_candidate']
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	210 except KeyError:
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	211 # we have not our best candidate yet
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	212 return
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	213 try:
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	214 peer_best_candidate = transport_data['peer_best_candidate']
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	215 except KeyError:
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	216 # we have not peer best candidate yet
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	217 return
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	218
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	219 # at this point we have both candidates, it's time to choose one
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	220 if best_candidate is None or peer_best_candidate is None:
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	221 choosed_candidate = best_candidate or peer_best_candidate
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	222 else:
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	223 if best_candidate.priority == peer_best_candidate.priority:
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	224 # same priority, we choose initiator one according to XEP-0260 §2.4 #4
1758 a66d34353f34 plugin XEP-0260, XEP-0065: fixed session hash handling: Goffi <goffi@goffi.org> parents: 1757 diff changeset	225 log.debug(u"Candidates have same priority, we select the one choosed by initiator")
1560 dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	226 if session['initiator'] == client.jid:
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	227 choosed_candidate = best_candidate
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	228 else:
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	229 choosed_candidate = peer_best_candidate
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	230 else:
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	231 choosed_candidate = max(best_candidate, peer_best_candidate, key=lambda c:c.priority)
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	232
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	233 if choosed_candidate is None:
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	234 log.warning(u"Socks5 negociation failed, we need to fallback to IBB")
1631 25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented Goffi <goffi@goffi.org> parents: 1571 diff changeset	235 self.doFallback(session, content_name, client)
1560 dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	236 else:
1571 c668081eba1c plugins XEP-0234, XEP-0260, XEP-0261: jingle session termination is managed by application (XEP-0234) instead of transport Goffi <goffi@goffi.org> parents: 1570 diff changeset	237 if choosed_candidate == peer_best_candidate:
c668081eba1c plugins XEP-0234, XEP-0260, XEP-0261: jingle session termination is managed by application (XEP-0234) instead of transport Goffi <goffi@goffi.org> parents: 1570 diff changeset	238 # peer_best_candidate was choosed from the candidates we have sent
c668081eba1c plugins XEP-0234, XEP-0260, XEP-0261: jingle session termination is managed by application (XEP-0234) instead of transport Goffi <goffi@goffi.org> parents: 1570 diff changeset	239 # so our_candidate is true if choosed_candidate is peer_best_candidate
c668081eba1c plugins XEP-0234, XEP-0260, XEP-0261: jingle session termination is managed by application (XEP-0234) instead of transport Goffi <goffi@goffi.org> parents: 1570 diff changeset	240 our_candidate = True
c668081eba1c plugins XEP-0234, XEP-0260, XEP-0261: jingle session termination is managed by application (XEP-0234) instead of transport Goffi <goffi@goffi.org> parents: 1570 diff changeset	241 # than also mean that best_candidate must be discarded !
c668081eba1c plugins XEP-0234, XEP-0260, XEP-0261: jingle session termination is managed by application (XEP-0234) instead of transport Goffi <goffi@goffi.org> parents: 1570 diff changeset	242 try:
c668081eba1c plugins XEP-0234, XEP-0260, XEP-0261: jingle session termination is managed by application (XEP-0234) instead of transport Goffi <goffi@goffi.org> parents: 1570 diff changeset	243 best_candidate.discard()
c668081eba1c plugins XEP-0234, XEP-0260, XEP-0261: jingle session termination is managed by application (XEP-0234) instead of transport Goffi <goffi@goffi.org> parents: 1570 diff changeset	244 except AttributeError: # but it can be None
c668081eba1c plugins XEP-0234, XEP-0260, XEP-0261: jingle session termination is managed by application (XEP-0234) instead of transport Goffi <goffi@goffi.org> parents: 1570 diff changeset	245 pass
c668081eba1c plugins XEP-0234, XEP-0260, XEP-0261: jingle session termination is managed by application (XEP-0234) instead of transport Goffi <goffi@goffi.org> parents: 1570 diff changeset	246 else:
c668081eba1c plugins XEP-0234, XEP-0260, XEP-0261: jingle session termination is managed by application (XEP-0234) instead of transport Goffi <goffi@goffi.org> parents: 1570 diff changeset	247 our_candidate = False
1560 dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	248
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	249 log.info(u"Socks5 negociation successful, {who} candidate will be used: {candidate}".format(
1570 37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	250 who = u'our' if our_candidate else u'other peer',
1560 dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	251 candidate = choosed_candidate))
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	252 del transport_data['best_candidate']
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	253 del transport_data['peer_best_candidate']
1570 37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	254
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	255 if choosed_candidate.type == self._s5b.TYPE_PROXY:
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	256 # the file transfer need to wait for proxy activation
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	257 # (see XEP-0260 § 2.4)
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	258 if our_candidate:
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	259 d = self._s5b.connectCandidate(choosed_candidate, transport_data['session_hash'], profile=client.profile)
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	260 d.addCallback(lambda dummy: choosed_candidate.activate(transport_data['sid'], session['peer_jid'], client))
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	261 args = [choosed_candidate, session, content_name, client.profile]
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	262 d.addCallbacks(self._proxyActivatedCb, self._proxyActivatedEb, args, None, args)
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	263 else:
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	264 # this Deferred will be called when we'll receive activation confirmation from other peer
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	265 d = transport_data['activation_d'] = defer.Deferred()
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	266 else:
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	267 d = defer.succeed(None)
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	268
1560 dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	269 if content_data['senders'] == session['role']:
1570 37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	270 # we can now start the file transfer (or start it after proxy activation)
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	271 d.addCallback(lambda dummy: choosed_candidate.startTransfer(transport_data['session_hash']))
1756 061011fad5b1 plugin XEP-0260: better proxy error handling: Goffi <goffi@goffi.org> parents: 1755 diff changeset	272 d.addErrback(self._startEb, session, content_name, client)
061011fad5b1 plugin XEP-0260: better proxy error handling: Goffi <goffi@goffi.org> parents: 1755 diff changeset	273
061011fad5b1 plugin XEP-0260: better proxy error handling: Goffi <goffi@goffi.org> parents: 1755 diff changeset	274 def _startEb(self, fail, session, content_name, client):
061011fad5b1 plugin XEP-0260: better proxy error handling: Goffi <goffi@goffi.org> parents: 1755 diff changeset	275 """Called when it's not possible to start the transfer
061011fad5b1 plugin XEP-0260: better proxy error handling: Goffi <goffi@goffi.org> parents: 1755 diff changeset	276
061011fad5b1 plugin XEP-0260: better proxy error handling: Goffi <goffi@goffi.org> parents: 1755 diff changeset	277 Will try to fallback to IBB
061011fad5b1 plugin XEP-0260: better proxy error handling: Goffi <goffi@goffi.org> parents: 1755 diff changeset	278 """
061011fad5b1 plugin XEP-0260: better proxy error handling: Goffi <goffi@goffi.org> parents: 1755 diff changeset	279 try:
061011fad5b1 plugin XEP-0260: better proxy error handling: Goffi <goffi@goffi.org> parents: 1755 diff changeset	280 reason = unicode(fail.value)
061011fad5b1 plugin XEP-0260: better proxy error handling: Goffi <goffi@goffi.org> parents: 1755 diff changeset	281 except AttributeError:
061011fad5b1 plugin XEP-0260: better proxy error handling: Goffi <goffi@goffi.org> parents: 1755 diff changeset	282 reason = unicode(fail)
061011fad5b1 plugin XEP-0260: better proxy error handling: Goffi <goffi@goffi.org> parents: 1755 diff changeset	283 log.warning(u"Cant start transfert, we'll try fallback method: {}".format(reason))
061011fad5b1 plugin XEP-0260: better proxy error handling: Goffi <goffi@goffi.org> parents: 1755 diff changeset	284 self.doFallback(session, content_name, client)
1570 37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	285
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	286 def _candidateInfo(self, candidate_elt, session, content_name, transport_data, client):
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	287 """Called when best candidate has been received from peer (or if none is working)
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	288
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	289 @param candidate_elt(domish.Element): candidate-used or candidate-error element
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	290 (see XEP-0260 §2.3)
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	291 @param session(dict): session data
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	292 @param content_name(unicode): name of the current content
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	293 @param transport_data(dict): transport data
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	294 @param client(unicode): %(doc_client)s
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	295 """
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	296 if candidate_elt.name == 'candidate-error':
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	297 # candidate-error, no candidate worked
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	298 transport_data['peer_best_candidate'] = None
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	299 else:
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	300 # candidate-used, one candidate was choosed
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	301 try:
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	302 cid = candidate_elt.attributes['cid']
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	303 except KeyError:
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	304 log.warning(u"No cid found in <candidate-used>")
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	305 raise exceptions.DataError
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	306 try:
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	307 candidate = (c for c in transport_data['candidates'] if c.id == cid).next()
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	308 except StopIteration:
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	309 log.warning(u"Given cid doesn't correspond to any known candidate !")
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	310 raise exceptions.DataError # TODO: send an error to other peer, and use better exception
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	311 except KeyError:
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	312 # a transport-info can also be intentionaly sent too early by other peer
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	313 # but there is little probability
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	314 log.error(u'"candidates" key doesn\'t exists in transport_data, it should at this point')
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	315 raise exceptions.InternalError
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	316 # at this point we have the candidate choosed by other peer
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	317 transport_data['peer_best_candidate'] = candidate
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	318 log.info(u"Other peer best candidate: {}".format(candidate))
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	319
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	320 del transport_data['candidates']
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	321 self._checkCandidates(session, content_name, transport_data, client)
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	322
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	323 def _proxyActivationInfo(self, proxy_elt, session, content_name, transport_data, client):
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	324 """Called when proxy has been activated (or has sent an error)
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	325
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	326 @param proxy_elt(domish.Element): <activated/> or <proxy-error/> element
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	327 (see XEP-0260 §2.4)
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	328 @param session(dict): session data
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	329 @param content_name(unicode): name of the current content
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	330 @param transport_data(dict): transport data
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	331 @param client(unicode): %(doc_client)s
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	332 """
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	333 try:
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	334 activation_d = transport_data.pop('activation_d')
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	335 except KeyError:
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	336 log.warning(u"Received unexpected transport-info for proxy activation")
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	337
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	338 if proxy_elt.name == 'activated':
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	339 activation_d.callback(None)
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	340 else:
1756 061011fad5b1 plugin XEP-0260: better proxy error handling: Goffi <goffi@goffi.org> parents: 1755 diff changeset	341 activation_d.errback(ProxyError())
1560 dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	342
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	343 @defer.inlineCallbacks
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	344 def jingleHandler(self, action, session, content_name, transport_elt, profile):
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	345 client = self.host.getClient(profile)
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	346 content_data = session['contents'][content_name]
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	347 transport_data = content_data['transport_data']
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	348
1631 25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented Goffi <goffi@goffi.org> parents: 1571 diff changeset	349 if action in (self._j.A_ACCEPTED_ACK, self._j.A_PREPARE_RESPONDER):
1560 dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	350 pass
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	351
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	352 elif action == self._j.A_SESSION_ACCEPT:
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	353 # initiator side, we select a candidate in the ones sent by responder
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	354 assert 'peer_candidates' not in transport_data
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	355 transport_data['peer_candidates'] = self._parseCandidates(transport_elt)
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	356
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	357 elif action == self._j.A_START:
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	358 session_hash = transport_data['session_hash']
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	359 peer_candidates = transport_data['peer_candidates']
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	360 file_obj = content_data['file_obj']
1757 abd6d6f89006 plugins XEP-0065, XEP-0260: fixed session creation order: session is created earlied, and file object associated in a second time if needed Goffi <goffi@goffi.org> parents: 1756 diff changeset	361 self._s5b.associateFileObj(session_hash, file_obj, profile)
abd6d6f89006 plugins XEP-0065, XEP-0260: fixed session creation order: session is created earlied, and file object associated in a second time if needed Goffi <goffi@goffi.org> parents: 1756 diff changeset	362 stream_d = transport_data.pop('stream_d')
1571 c668081eba1c plugins XEP-0234, XEP-0260, XEP-0261: jingle session termination is managed by application (XEP-0234) instead of transport Goffi <goffi@goffi.org> parents: 1570 diff changeset	363 stream_d.chainDeferred(content_data['finished_d'])
1758 a66d34353f34 plugin XEP-0260, XEP-0065: fixed session hash handling: Goffi <goffi@goffi.org> parents: 1757 diff changeset	364 peer_session_hash = transport_data['peer_session_hash']
a66d34353f34 plugin XEP-0260, XEP-0065: fixed session hash handling: Goffi <goffi@goffi.org> parents: 1757 diff changeset	365 d = self._s5b.getBestCandidate(peer_candidates, session_hash, peer_session_hash, profile)
1560 dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	366 d.addCallback(self._foundPeerCandidate, session, transport_data, content_name, client)
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	367
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	368 elif action == self._j.A_SESSION_INITIATE:
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	369 # responder side, we select a candidate in the ones sent by initiator
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	370 # and we give our candidates
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	371 assert 'peer_candidates' not in transport_data
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	372 sid = transport_data['sid'] = transport_elt['sid']
1758 a66d34353f34 plugin XEP-0260, XEP-0065: fixed session hash handling: Goffi <goffi@goffi.org> parents: 1757 diff changeset	373 session_hash = transport_data['session_hash'] = self._s5b.getSessionHash(client.jid, session['peer_jid'], sid)
a66d34353f34 plugin XEP-0260, XEP-0065: fixed session hash handling: Goffi <goffi@goffi.org> parents: 1757 diff changeset	374 peer_session_hash = transport_data['peer_session_hash'] = self._s5b.getSessionHash(session['peer_jid'], client.jid, sid) # requester and target are inversed for peer candidates
1560 dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	375 peer_candidates = transport_data['peer_candidates'] = self._parseCandidates(transport_elt)
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	376 file_obj = content_data['file_obj']
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	377 stream_d = self._s5b.registerHash(session_hash, file_obj, profile)
1571 c668081eba1c plugins XEP-0234, XEP-0260, XEP-0261: jingle session termination is managed by application (XEP-0234) instead of transport Goffi <goffi@goffi.org> parents: 1570 diff changeset	378 stream_d.chainDeferred(content_data['finished_d'])
1758 a66d34353f34 plugin XEP-0260, XEP-0065: fixed session hash handling: Goffi <goffi@goffi.org> parents: 1757 diff changeset	379 d = self._s5b.getBestCandidate(peer_candidates, session_hash, peer_session_hash, profile)
1560 dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	380 d.addCallback(self._foundPeerCandidate, session, transport_data, content_name, client)
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	381 candidates = yield self._s5b.getCandidates(profile)
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	382 # we remove duplicate candidates
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	383 candidates = [candidate for candidate in candidates if candidate not in peer_candidates]
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	384
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	385 transport_data['candidates'] = candidates
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	386 # we can now build a new <transport> element with our candidates
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	387 transport_elt = self._buildCandidates(session, candidates, sid, session_hash, client)
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	388
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	389 elif action == self._j.A_TRANSPORT_INFO:
1570 37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	390 # transport-info can be about candidate or proxy activation
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	391 candidate_elt = None
1560 dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	392
1570 37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	393 for method, names in ((self._candidateInfo, ('candidate-used', 'candidate-error')),
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	394 (self._proxyActivationInfo, ('activated', 'proxy-error'))):
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	395 for name in names:
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	396 try:
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	397 candidate_elt = transport_elt.elements(NS_JINGLE_S5B, name).next()
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	398 except StopIteration:
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	399 continue
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	400 else:
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	401 method(candidate_elt, session, content_name, transport_data, client)
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	402 break
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	403
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	404 if candidate_elt is None:
37d4be4a9fed plugins XEP-0260, XEP-0065: proxy handling: Goffi <goffi@goffi.org> parents: 1567 diff changeset	405 log.warning(u"Unexpected transport element: {}".format(transport_elt.toXml()))
1631 25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented Goffi <goffi@goffi.org> parents: 1571 diff changeset	406 elif action == self._j.A_DESTROY:
1758 a66d34353f34 plugin XEP-0260, XEP-0065: fixed session hash handling: Goffi <goffi@goffi.org> parents: 1757 diff changeset	407 # the transport is replaced (fallback ?), We need mainly to kill XEP-0065 session.
1631 25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented Goffi <goffi@goffi.org> parents: 1571 diff changeset	408 # note that sid argument is not necessary for sessions created by this plugin
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented Goffi <goffi@goffi.org> parents: 1571 diff changeset	409 self._s5b.killSession(None, transport_data['session_hash'], None, client)
1560 dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	410 else:
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	411 log.warning(u"FIXME: unmanaged action {}".format(action))
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	412
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	413 defer.returnValue(transport_elt)
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	414
1755 d2e023da2983 plugin XEP-0260: kill s5b session if session is declined Goffi <goffi@goffi.org> parents: 1631 diff changeset	415 def jingleTerminate(self, action, session, content_name, reason_elt, profile):
d2e023da2983 plugin XEP-0260: kill s5b session if session is declined Goffi <goffi@goffi.org> parents: 1631 diff changeset	416 if reason_elt.decline:
d2e023da2983 plugin XEP-0260: kill s5b session if session is declined Goffi <goffi@goffi.org> parents: 1631 diff changeset	417 log.debug(u"Session declined, deleting S5B session")
d2e023da2983 plugin XEP-0260: kill s5b session if session is declined Goffi <goffi@goffi.org> parents: 1631 diff changeset	418 # we just need to clean the S5B session if it is declined
d2e023da2983 plugin XEP-0260: kill s5b session if session is declined Goffi <goffi@goffi.org> parents: 1631 diff changeset	419 client = self.host.getClient(profile)
d2e023da2983 plugin XEP-0260: kill s5b session if session is declined Goffi <goffi@goffi.org> parents: 1631 diff changeset	420 content_data = session['contents'][content_name]
d2e023da2983 plugin XEP-0260: kill s5b session if session is declined Goffi <goffi@goffi.org> parents: 1631 diff changeset	421 transport_data = content_data['transport_data']
d2e023da2983 plugin XEP-0260: kill s5b session if session is declined Goffi <goffi@goffi.org> parents: 1631 diff changeset	422 self._s5b.killSession(None, transport_data['session_hash'], None, client)
d2e023da2983 plugin XEP-0260: kill s5b session if session is declined Goffi <goffi@goffi.org> parents: 1631 diff changeset	423
1631 25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented Goffi <goffi@goffi.org> parents: 1571 diff changeset	424 def _doFallback(self, feature_checked, session, content_name, client):
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented Goffi <goffi@goffi.org> parents: 1571 diff changeset	425 """Do the fallback, method called once feature is checked
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented Goffi <goffi@goffi.org> parents: 1571 diff changeset	426
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented Goffi <goffi@goffi.org> parents: 1571 diff changeset	427 @param feature_checked(bool): True if other peer can do IBB
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented Goffi <goffi@goffi.org> parents: 1571 diff changeset	428 """
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented Goffi <goffi@goffi.org> parents: 1571 diff changeset	429 if not feature_checked:
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented Goffi <goffi@goffi.org> parents: 1571 diff changeset	430 log.warning(u"Other peer can't manage jingle IBB, be have to terminate the session")
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented Goffi <goffi@goffi.org> parents: 1571 diff changeset	431 self._j.terminate(self._j.REASON_CONNECTIVITY_ERROR, session, client.profile)
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented Goffi <goffi@goffi.org> parents: 1571 diff changeset	432 else:
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented Goffi <goffi@goffi.org> parents: 1571 diff changeset	433 self._j.transportReplace(self._jingle_ibb.NAMESPACE, session, content_name, client.profile)
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented Goffi <goffi@goffi.org> parents: 1571 diff changeset	434
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented Goffi <goffi@goffi.org> parents: 1571 diff changeset	435 def doFallback(self, session, content_name, client):
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented Goffi <goffi@goffi.org> parents: 1571 diff changeset	436 """Fallback to IBB transport, used in last resort
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented Goffi <goffi@goffi.org> parents: 1571 diff changeset	437
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented Goffi <goffi@goffi.org> parents: 1571 diff changeset	438 @param session(dict): session data
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented Goffi <goffi@goffi.org> parents: 1571 diff changeset	439 @param content_name(unicode): name of the current content
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented Goffi <goffi@goffi.org> parents: 1571 diff changeset	440 @param client(unicode): %(doc_client)s
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented Goffi <goffi@goffi.org> parents: 1571 diff changeset	441 """
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented Goffi <goffi@goffi.org> parents: 1571 diff changeset	442 if session['role'] != self._j.ROLE_INITIATOR:
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented Goffi <goffi@goffi.org> parents: 1571 diff changeset	443 # only initiator must do the fallback, see XEP-0260 §3
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented Goffi <goffi@goffi.org> parents: 1571 diff changeset	444 return
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented Goffi <goffi@goffi.org> parents: 1571 diff changeset	445 if self._jingle_ibb is None:
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented Goffi <goffi@goffi.org> parents: 1571 diff changeset	446 log.warning(u"Jingle IBB (XEP-0261) plugin is not available, we have to close the session")
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented Goffi <goffi@goffi.org> parents: 1571 diff changeset	447 self._j.terminate(self._j.REASON_CONNECTIVITY_ERROR, session, client.profile)
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented Goffi <goffi@goffi.org> parents: 1571 diff changeset	448 else:
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented Goffi <goffi@goffi.org> parents: 1571 diff changeset	449 d = self.host.hasFeature(self._jingle_ibb.NAMESPACE, session['peer_jid'], client.profile)
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented Goffi <goffi@goffi.org> parents: 1571 diff changeset	450 d.addCallback(self._doFallback, session, content_name, client)
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented Goffi <goffi@goffi.org> parents: 1571 diff changeset	451 return d
25906c0dbc63 plugin XEP-0260, XEP-0261: fallback from S5B to IBB is implemented Goffi <goffi@goffi.org> parents: 1571 diff changeset	452
1560 dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	453
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	454 class XEP_0260_handler(XMPPHandler):
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	455 implements(iwokkel.IDisco)
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	456
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	457 def getDiscoInfo(self, requestor, target, nodeIdentifier=''):
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	458 return [disco.DiscoFeature(NS_JINGLE_S5B)]
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	459
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	460 def getDiscoItems(self, requestor, target, nodeIdentifier=''):
dcce63810733 plugin XEP-0260: first draft Goffi <goffi@goffi.org> parents: diff changeset	461 return []

Mercurial > libervia-backend

annotate src/plugins/plugin_xep_0260.py @ 1758:a66d34353f34