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annotate libervia/backend/plugins/plugin_xep_0176.py @ 4201:6a8cc6d668a4

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docker (demo): create file-sharing and demo account in init script
author Goffi <goffi@goffi.org>
date Thu, 14 Dec 2023 09:19:32 +0100
parents 23fa52acf72c
children e11b13418ba6
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
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1 #!/usr/bin/env python3
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2
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3 # Libervia plugin for Jingle (XEP-0176)
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4 # Copyright (C) 2009-2023 Jérôme Poisson (goffi@goffi.org)
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5
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6 # This program is free software: you can redistribute it and/or modify
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7 # it under the terms of the GNU Affero General Public License as published by
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8 # the Free Software Foundation, either version 3 of the License, or
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9 # (at your option) any later version.
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10
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11 # This program is distributed in the hope that it will be useful,
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12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 # GNU Affero General Public License for more details.
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15
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16 # You should have received a copy of the GNU Affero General Public License
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17 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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18
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
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19 from typing import Dict, List, Optional
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20 import uuid
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21
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
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22 from twisted.internet import defer
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23 from twisted.words.protocols.jabber.xmlstream import XMPPHandler
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24 from twisted.words.xish import domish
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25 from wokkel import disco, iwokkel
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26 from zope.interface import implementer
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27
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28 from libervia.backend.core import exceptions
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29 from libervia.backend.core.constants import Const as C
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30 from libervia.backend.core.core_types import SatXMPPEntity
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31 from libervia.backend.core.i18n import _
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32 from libervia.backend.core.log import getLogger
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33 from libervia.backend.tools.common import data_format
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34
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35 from .plugin_xep_0166 import BaseTransportHandler
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36
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37 log = getLogger(__name__)
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38
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39 NS_JINGLE_ICE_UDP = "urn:xmpp:jingle:transports:ice-udp:1"
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40
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
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41 PLUGIN_INFO = {
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42 C.PI_NAME: "Jingle ICE-UDP Transport Method",
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43 C.PI_IMPORT_NAME: "XEP-0176",
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44 C.PI_TYPE: "XEP",
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45 C.PI_MODES: C.PLUG_MODE_BOTH,
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46 C.PI_PROTOCOLS: ["XEP-0176"],
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47 C.PI_DEPENDENCIES: ["XEP-0166"],
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48 C.PI_RECOMMENDATIONS: [],
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49 C.PI_MAIN: "XEP_0176",
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50 C.PI_HANDLER: "yes",
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51 C.PI_DESCRIPTION: _("""Implementation of Jingle ICE-UDP transport"""),
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52 }
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53
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
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54
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55 class XEP_0176(BaseTransportHandler):
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56 def __init__(self, host):
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57 log.info(f"plugin {PLUGIN_INFO[C.PI_NAME]!r} initialization")
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58 self.host = host
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59 self._j = host.plugins["XEP-0166"] # shortcut to access jingle
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60 self._j.register_transport(
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61 NS_JINGLE_ICE_UDP, self._j.TRANSPORT_DATAGRAM, self, 100
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62 )
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63 host.bridge.add_method(
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64 "ice_candidates_add",
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65 ".plugin",
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66 in_sign="sss",
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67 out_sign="",
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68 method=self._ice_candidates_add,
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69 async_=True,
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70 )
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71 host.bridge.add_signal(
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72 "ice_candidates_new", ".plugin", signature="sss"
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73 ) # args: jingle_sid, candidates_serialised, profile
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74 host.bridge.add_signal(
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75 "ice_restart", ".plugin", signature="sss"
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76 ) # args: jingle_sid, side ("local" or "peer"), profile
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77
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78 def get_handler(self, client):
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79 return XEP_0176_handler()
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80
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81 def _ice_candidates_add(
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82 self,
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83 session_id: str,
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84 media_ice_data_s: str,
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85 profile_key: str,
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86 ):
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87 client = self.host.get_client(profile_key)
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88 return defer.ensureDeferred(
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89 self.ice_candidates_add(
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90 client,
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91 session_id,
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92 data_format.deserialise(media_ice_data_s),
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93 )
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94 )
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95
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96 def build_transport(self, ice_data: dict) -> domish.Element:
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97 """Generate <transport> element from ICE data
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98
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99 @param ice_data: a dict containing the following keys:
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100 - "ufrag" (str): The ICE username fragment.
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101 - "pwd" (str): The ICE password.
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102 - "candidates" (List[dict]): A list of ICE candidate dictionaries, each
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103 containing:
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104 - "component_id" (int): The component ID.
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105 - "foundation" (str): The candidate foundation.
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106 - "address" (str): The candidate IP address.
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107 - "port" (int): The candidate port.
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108 - "priority" (int): The candidate priority.
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109 - "transport" (str): The candidate transport protocol, e.g., "udp".
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110 - "type" (str): The candidate type, e.g., "host", "srflx", "prflx", or
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111 "relay".
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112 - "generation" (str, optional): The candidate generation. Defaults to "0".
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113 - "network" (str, optional): The candidate network. Defaults to "0".
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114 - "rel_addr" (str, optional): The related address for the candidate, if
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115 any.
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116 - "rel_port" (int, optional): The related port for the candidate, if any.
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117
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118 @return: A <transport> element.
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119 """
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120 try:
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121 ufrag: str = ice_data["ufrag"]
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parents:
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122 pwd: str = ice_data["pwd"]
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
123 except KeyError as e:
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
124 raise exceptions.DataError(f"ICE {e} must be provided")
4116
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
125 candidates: List[dict] = ice_data.get("candidates", [])
4045
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
126
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
127 candidates.sort(key=lambda c: int(c.get("priority", 0)), reverse=True)
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
128 transport_elt = domish.Element(
4116
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
129 (NS_JINGLE_ICE_UDP, "transport"), attribs={"ufrag": ufrag, "pwd": pwd}
4045
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
130 )
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
131
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
132 for candidate in candidates:
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
133 try:
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
134 candidate_elt = transport_elt.addElement("candidate")
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
135 candidate_elt["component"] = str(candidate["component_id"])
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
136 candidate_elt["foundation"] = candidate["foundation"]
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
137 candidate_elt["generation"] = str(candidate.get("generation", "0"))
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
138 candidate_elt["id"] = candidate.get("id") or str(uuid.uuid4())
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
139 candidate_elt["ip"] = candidate["address"]
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
140 candidate_elt["network"] = str(candidate.get("network", "0"))
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
141 candidate_elt["port"] = str(candidate["port"])
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
142 candidate_elt["priority"] = str(candidate["priority"])
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
143 candidate_elt["protocol"] = candidate["transport"]
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
144 candidate_elt["type"] = candidate["type"]
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
145 except KeyError as e:
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
146 raise exceptions.DataError(
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
147 f"Mandatory ICE candidate attribute {e} is missing"
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
148 )
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
149
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
150 if "rel_addr" in candidate and "rel_port" in candidate:
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
151 candidate_elt["rel-addr"] = candidate["rel_addr"]
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
152 candidate_elt["rel-port"] = str(candidate["rel_port"])
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
153
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
154 self.host.trigger.point("XEP-0176_build_transport", transport_elt, ice_data)
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
155
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
156 return transport_elt
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
157
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
158 def parse_transport(self, transport_elt: domish.Element) -> dict:
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
159 """Parse <transport> to a dict
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
160
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
161 @param transport_elt: <transport> element
4054
4c8bf67bfbeb plugin XEP-0176: fix candidates data format when calling Bridge's `ice_candidates_new`
Goffi <goffi@goffi.org>
parents: 4052
diff changeset
162 @return: ICE data (as in [build_transport])
4045
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
163 """
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
164 try:
4116
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
165 ice_data = {"ufrag": transport_elt["ufrag"], "pwd": transport_elt["pwd"]}
4045
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
166 except KeyError as e:
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
167 raise exceptions.DataError(
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
168 f"<transport> is missing mandatory attribute {e}: {transport_elt.toXml()}"
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
169 )
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
170 ice_data["candidates"] = ice_candidates = []
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
171
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
172 for candidate_elt in transport_elt.elements(NS_JINGLE_ICE_UDP, "candidate"):
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
173 try:
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
174 candidate = {
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
175 "component_id": int(candidate_elt["component"]),
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
176 "foundation": candidate_elt["foundation"],
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
177 "address": candidate_elt["ip"],
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
178 "port": int(candidate_elt["port"]),
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
179 "priority": int(candidate_elt["priority"]),
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
180 "transport": candidate_elt["protocol"],
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
181 "type": candidate_elt["type"],
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
182 }
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
183 except KeyError as e:
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
184 raise exceptions.DataError(
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
185 f"Mandatory attribute {e} is missing in candidate element"
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
186 )
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
187
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
188 if candidate_elt.hasAttribute("generation"):
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
189 candidate["generation"] = candidate_elt["generation"]
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
190
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
191 if candidate_elt.hasAttribute("network"):
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
192 candidate["network"] = candidate_elt["network"]
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
193
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
194 if candidate_elt.hasAttribute("rel-addr"):
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
195 candidate["rel_addr"] = candidate_elt["rel-addr"]
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
196
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
197 if candidate_elt.hasAttribute("rel-port"):
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
198 candidate["rel_port"] = int(candidate_elt["rel-port"])
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
199
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
200 ice_candidates.append(candidate)
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
201
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
202 self.host.trigger.point("XEP-0176_parse_transport", transport_elt, ice_data)
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
203
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
204 return ice_data
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
205
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
206 async def jingle_session_init(
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
207 self,
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
208 client: SatXMPPEntity,
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
209 session: dict,
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
210 content_name: str,
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
211 ) -> domish.Element:
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
212 """Create a Jingle session initiation transport element with ICE candidates.
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
213
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
214 @param client: SatXMPPEntity object representing the client.
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
215 @param session: Dictionary containing session data.
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
216 @param content_name: Name of the content.
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
217 @param ufrag: ICE username fragment.
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
218 @param pwd: ICE password.
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
219 @param candidates: List of ICE candidate dictionaries parsed from the
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
220 parse_ice_candidate method.
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
221
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
222 @return: domish.Element representing the Jingle transport element.
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
223
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
224 @raise exceptions.DataError: If mandatory data is missing from the candidates.
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
225 """
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
226 content_data = session["contents"][content_name]
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
227 transport_data = content_data["transport_data"]
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
228 ice_data = transport_data["local_ice_data"]
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
229 return self.build_transport(ice_data)
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
230
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
231 async def jingle_handler(
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
232 self,
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
233 client: SatXMPPEntity,
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
234 action: str,
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
235 session: dict,
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
236 content_name: str,
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
237 transport_elt: domish.Element,
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
238 ) -> domish.Element:
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
239 """Handle Jingle requests
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
240
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
241 @param client: The SatXMPPEntity instance.
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
242 @param action: The action to be performed with the session.
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
243 @param session: A dictionary containing the session information.
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
244 @param content_name: The name of the content.
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
245 @param transport_elt: The domish.Element instance representing the transport
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
246 element.
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
247
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
248 @return: <transport> element
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
249 """
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
250 content_data = session["contents"][content_name]
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
251 transport_data = content_data["transport_data"]
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
252 if action in (self._j.A_PREPARE_CONFIRMATION, self._j.A_PREPARE_INITIATOR):
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
253 peer_ice_data = self.parse_transport(transport_elt)
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
254 transport_data["peer_ice_data"] = peer_ice_data
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
255
4116
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
256 elif action == self._j.A_ACCEPTED_ACK:
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
257 buffer = session.pop("XEP-0176_handler_buffer", None)
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
258 if buffer:
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
259 log.debug("replaying buffered events")
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
260 for args in buffer:
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
261 await self.jingle_handler(*args)
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
262 elif action == self._j.A_PREPARE_RESPONDER:
4045
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
263 pass
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
264
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
265 elif action == self._j.A_SESSION_ACCEPT:
4116
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
266 # we check if we have any buffered ICE candidates, and send them if it's the
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
267 # case
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
268 media_type = content_data["application_data"].get("media")
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
269 try:
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
270 buffer = session["XEP-0176_buffer"]
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
271 buffered_ice_data = buffer.pop(media_type)
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
272 except KeyError:
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
273 pass
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
274 else:
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
275 if not buffer:
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
276 del session["XEP-0176_buffer"]
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
277 transport_elt = self.build_transport(buffered_ice_data)
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
278 iq_elt, __ = self._j.build_action(
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
279 client,
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
280 self._j.A_TRANSPORT_INFO,
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
281 session,
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
282 content_name,
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
283 context_elt=transport_elt,
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
284 )
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
285 await iq_elt.send()
4045
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
286
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
287 elif action == self._j.A_START:
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
288 pass
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
289
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
290 elif action == self._j.A_SESSION_INITIATE:
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
291 # responder side, we give our candidates
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
292 transport_elt = self.build_transport(transport_data["local_ice_data"])
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
293 elif action == self._j.A_TRANSPORT_INFO:
4116
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
294 if session["state"] == self._j.STATE_PENDING:
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
295 # Session is not yet active; we buffer the arguments to replay them
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
296 # when the session becomes active. This makes the frontend's life easier.
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
297 log.debug("session is not active yet, buffering transport-info element")
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
298 buffer = session.setdefault("XEP-0176_handler_buffer", [])
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
299 buffer.append([client, action, session, content_name, transport_elt])
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
300 return transport_elt
4054
4c8bf67bfbeb plugin XEP-0176: fix candidates data format when calling Bridge's `ice_candidates_new`
Goffi <goffi@goffi.org>
parents: 4052
diff changeset
301
4c8bf67bfbeb plugin XEP-0176: fix candidates data format when calling Bridge's `ice_candidates_new`
Goffi <goffi@goffi.org>
parents: 4052
diff changeset
302 media_type = content_data["application_data"].get("media")
4045
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
303 new_ice_data = self.parse_transport(transport_elt)
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
304 restart = self.update_candidates(transport_data, new_ice_data, local=False)
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
305 if restart:
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
306 log.debug(
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
307 f"Peer ICE restart detected on session {session['id']} "
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
308 f"[{client.profile}]"
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
309 )
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
310 self.host.bridge.ice_restart(session["id"], "peer", client.profile)
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
311
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
312 self.host.bridge.ice_candidates_new(
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
313 session["id"],
4054
4c8bf67bfbeb plugin XEP-0176: fix candidates data format when calling Bridge's `ice_candidates_new`
Goffi <goffi@goffi.org>
parents: 4052
diff changeset
314 data_format.serialise({media_type: new_ice_data}),
4116
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
315 client.profile,
4045
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
316 )
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
317 elif action == self._j.A_DESTROY:
4116
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
318 pass
4045
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
319 else:
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
320 log.warning("FIXME: unmanaged action {}".format(action))
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
321
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
322 return transport_elt
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
323
4052
2ced30f6d5de plugin XEP-0166, 0176, 0234: minor renaming + type hints
Goffi <goffi@goffi.org>
parents: 4045
diff changeset
324 def jingle_terminate(
2ced30f6d5de plugin XEP-0166, 0176, 0234: minor renaming + type hints
Goffi <goffi@goffi.org>
parents: 4045
diff changeset
325 self,
2ced30f6d5de plugin XEP-0166, 0176, 0234: minor renaming + type hints
Goffi <goffi@goffi.org>
parents: 4045
diff changeset
326 client: SatXMPPEntity,
2ced30f6d5de plugin XEP-0166, 0176, 0234: minor renaming + type hints
Goffi <goffi@goffi.org>
parents: 4045
diff changeset
327 action: str,
2ced30f6d5de plugin XEP-0166, 0176, 0234: minor renaming + type hints
Goffi <goffi@goffi.org>
parents: 4045
diff changeset
328 session: dict,
2ced30f6d5de plugin XEP-0166, 0176, 0234: minor renaming + type hints
Goffi <goffi@goffi.org>
parents: 4045
diff changeset
329 content_name: str,
2ced30f6d5de plugin XEP-0166, 0176, 0234: minor renaming + type hints
Goffi <goffi@goffi.org>
parents: 4045
diff changeset
330 reason_elt: domish.Element,
2ced30f6d5de plugin XEP-0166, 0176, 0234: minor renaming + type hints
Goffi <goffi@goffi.org>
parents: 4045
diff changeset
331 ) -> None:
4045
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
332 log.debug("ICE-UDP session terminated")
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
333
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
334 def update_candidates(
4116
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
335 self, transport_data: dict, new_ice_data: dict, local: bool
4045
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
336 ) -> bool:
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
337 """Update ICE candidates when new one are received
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
338
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
339 @param transport_data: transport_data of the content linked to the candidates
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
340 @param new_ice_data: new ICE data, in the same format as returned
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
341 by [self.parse_transport]
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
342 @param local: True if it's our candidates, False if it's peer ones
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
343 @return: True if there is a ICE restart
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
344 """
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
345 key = "local_ice_data" if local else "peer_ice_data"
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
346 try:
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
347 ice_data = transport_data[key]
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
348 except KeyError:
4116
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
349 log.warning(f"no {key} available")
4045
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
350 transport_data[key] = new_ice_data
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
351 else:
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
352 if (
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
353 new_ice_data["ufrag"] != ice_data["ufrag"]
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
354 or new_ice_data["pwd"] != ice_data["pwd"]
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
355 ):
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
356 ice_data["ufrag"] = new_ice_data["ufrag"]
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
357 ice_data["pwd"] = new_ice_data["pwd"]
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
358 ice_data["candidates"] = new_ice_data["candidates"]
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
359 return True
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
360 return False
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
361
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
362 async def ice_candidates_add(
4116
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
363 self, client: SatXMPPEntity, session_id: str, media_ice_data: Dict[str, dict]
4045
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
364 ) -> None:
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
365 """Called when a new ICE candidates are available for a session
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
366
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
367 @param session_id: Session ID
4116
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
368 @param media_ice_data: a map from media type (audio, video) to ICE data
4045
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
369 ICE data must be in the same format as in [self.parse_transport]
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
370 """
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
371 session = self._j.get_session(client, session_id)
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
372 iq_elt: Optional[domish.Element] = None
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
373
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
374 for media_type, new_ice_data in media_ice_data.items():
4116
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
375 if session["state"] == self._j.STATE_PENDING:
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
376 log.debug(f"session not active, buffering")
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
377 buffer = session.setdefault("XEP-0176_buffer", {})
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
378 media_buffer = buffer.setdefault(media_type, {})
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
379
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
380 for key in ["ufrag", "pwd"]:
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
381 if key not in media_buffer:
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
382 media_buffer[key] = new_ice_data[key]
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
383 else:
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
384 if media_buffer[key] != new_ice_data[key]:
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
385 log.warning(
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
386 f"{key} conflict, new value will replace old one\n"
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
387 f"buffer={media_buffer[key]!r}\n"
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
388 f"new={new_ice_data[key]!r}"
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
389 )
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
390 media_buffer[key] = new_ice_data[key]
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
391
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
392 media_buffer.setdefault("candidates", []).extend(
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
393 new_ice_data["candidates"]
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
394 )
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
395 continue
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
396
4045
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
397 for content_name, content_data in session["contents"].items():
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
398 if content_data["application_data"].get("media") == media_type:
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
399 break
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
400 else:
4116
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
401 log.warning(f"no media of type {media_type} has been found")
4045
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
402 continue
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
403 restart = self.update_candidates(
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
404 content_data["transport_data"], new_ice_data, True
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
405 )
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
406 if restart:
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
407 log.debug(
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
408 f"Local ICE restart detected on session {session['id']} "
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
409 f"[{client.profile}]"
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
410 )
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
411 self.host.bridge.ice_restart(session["id"], "local", client.profile)
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
412 transport_elt = self.build_transport(new_ice_data)
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
413 iq_elt, __ = self._j.build_action(
4116
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
414 client,
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
415 self._j.A_TRANSPORT_INFO,
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
416 session,
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
417 content_name,
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
418 iq_elt=iq_elt,
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
419 context_elt=transport_elt,
4045
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
420 )
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
421
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
422 if iq_elt is not None:
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
423 try:
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
424 await iq_elt.send()
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
425 except Exception as e:
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
426 log.warning(f"Could not send new ICE candidates: {e}")
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
427
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
428
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
429 @implementer(iwokkel.IDisco)
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
430 class XEP_0176_handler(XMPPHandler):
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
431 def getDiscoInfo(self, requestor, target, nodeIdentifier=""):
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
432 return [disco.DiscoFeature(NS_JINGLE_ICE_UDP)]
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
433
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
434 def getDiscoItems(self, requestor, target, nodeIdentifier=""):
ae756bf7c3e8 plugin XEP-0176: Jingle ICE-UDP Transport Method implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
435 return []