Mercurial > libervia-backend

annotate libervia/backend/plugins/plugin_xep_0294.py @ 4242:8acf46ed7f36

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frontends: remote control implementation: This is the frontends common part of remote control implementation. It handle the creation of WebRTC session, and management of inputs. For now the reception use freedesktop.org Desktop portal, and works mostly with Wayland based Desktop Environments. rel 436
author Goffi <goffi@goffi.org>
date Sat, 11 May 2024 13:52:43 +0200
parents 4b842c1fb686
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
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1 #!/usr/bin/env python3
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
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2
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
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3 # Libervia plugin
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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
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19 from typing import Dict, List, Optional, Union
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20
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21 from twisted.words.protocols.jabber.xmlstream import XMPPHandler
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22 from twisted.words.xish import domish
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23 from wokkel import disco, iwokkel
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24 from zope.interface import implementer
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25
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26 from libervia.backend.core import exceptions
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27 from libervia.backend.core.constants import Const as C
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28 from libervia.backend.core.i18n import _
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29 from libervia.backend.core.log import getLogger
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30
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31 log = getLogger(__name__)
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32
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33 NS_JINGLE_RTP_HDREXT = "urn:xmpp:jingle:apps:rtp:rtp-hdrext:0"
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34
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35 PLUGIN_INFO = {
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36 C.PI_NAME: "Jingle RTP Header Extensions Negotiation",
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37 C.PI_IMPORT_NAME: "XEP-0294",
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38 C.PI_TYPE: "XEP",
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39 C.PI_MODES: C.PLUG_MODE_BOTH,
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40 C.PI_PROTOCOLS: ["XEP-0294"],
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41 C.PI_DEPENDENCIES: ["XEP-0167"],
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42 C.PI_RECOMMENDATIONS: [],
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43 C.PI_MAIN: "XEP_0294",
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44 C.PI_HANDLER: "yes",
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45 C.PI_DESCRIPTION: _("""Jingle RTP Header Extensions Negotiation"""),
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46 }
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47
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48
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
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49 class XEP_0294:
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50 def __init__(self, host):
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51 log.info(f"plugin {PLUGIN_INFO[C.PI_NAME]!r} initialization")
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52 host.trigger.add("XEP-0167_parse_sdp_a", self._parse_sdp_a_trigger)
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53 host.trigger.add(
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54 "XEP-0167_generate_sdp_content", self._generate_sdp_content_trigger
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55 )
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56 host.trigger.add("XEP-0167_parse_description", self._parse_description_trigger)
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57 host.trigger.add("XEP-0167_build_description", self._build_description_trigger)
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58
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59 def get_handler(self, client):
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60 return XEP_0294_handler()
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61
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62 def _parse_extmap(self, parts: List[str], application_data: dict) -> None:
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63 """Parse an individual extmap line and fill application_data accordingly"""
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64 if "/" in parts[0]:
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65 id_, direction = parts[0].split("/", 1)
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66 else:
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67 id_ = parts[0]
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68 direction = None
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69 uri = parts[1]
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70 attributes = parts[2:]
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71
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72 if direction in (None, "sendrecv"):
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73 senders = "both"
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74 elif direction == "sendonly":
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75 senders = "initiator"
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76 elif direction == "recvonly":
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77 senders = "responder"
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78 elif direction == "inactive":
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79 senders = "none"
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80 else:
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81 log.warning(f"invalid direction for extmap: {direction}")
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82 senders = "sendrecv"
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83
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84 rtp_hdr_ext_data: Dict[str, Union[str, dict]] = {
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85 "id": id_,
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86 "uri": uri,
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87 "senders": senders,
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88 }
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89
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90 if attributes:
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91 parameters = {}
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92 for attribute in attributes:
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93 name, *value = attribute.split("=", 1)
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94 parameters[name] = value[0] if value else None
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95 rtp_hdr_ext_data["parameters"] = parameters
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96
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97 application_data.setdefault("rtp-hdrext", {})[id_] = rtp_hdr_ext_data
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98
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99 def _parse_sdp_a_trigger(
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100 self,
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101 attribute: str,
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102 parts: List[str],
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103 call_data: dict,
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104 metadata: dict,
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105 media_type: str,
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106 application_data: Optional[dict],
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107 transport_data: dict,
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108 ) -> None:
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109 """Parse "extmap" and "extmap-allow-mixed" attributes"""
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110 if attribute == "extmap":
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111 if application_data is None:
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112 call_data.setdefault("_extmaps", []).append(parts)
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113 else:
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114 self._parse_extmap(parts, application_data)
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115 elif attribute == "extmap-allow-mixed":
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116 if application_data is None:
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117 call_data["_extmap-allow-mixed"] = True
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118 else:
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119 application_data["extmap-allow-mixed"] = True
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120 elif (
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121 application_data is not None
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122 and "_extmaps" in call_data
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
123 and "rtp-hdrext" not in application_data
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
124 ):
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
125 extmaps = call_data.pop("_extmaps")
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
126 for parts in extmaps:
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
127 self._parse_extmap(parts, application_data)
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
128 elif (
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
129 application_data is not None
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
130 and "_extmap-allow-mixed" in call_data
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
131 and "extmap-allow-mixed" not in application_data
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
132 ):
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
133 value = call_data.pop("_extmap-allow-mixed")
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
134 application_data["extmap-allow-mixed"] = value
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
135
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
136 def _generate_sdp_content_trigger(
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
137 self,
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
138 session: dict,
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
139 local: bool,
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
140 idx: int,
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
141 content_data: dict,
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
142 sdp_lines: List[str],
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
143 application_data: dict,
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
144 app_data_key: str,
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
145 media_data: dict,
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
146 media: str,
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
147 ) -> None:
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
148 """Generate "extmap" and "extmap-allow-mixed" attributes"""
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
149 rtp_hdrext_dict = media_data.get("rtp-hdrext", {})
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
150
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
151 for id_, ext_data in rtp_hdrext_dict.items():
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
152 senders = ext_data.get("senders")
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
153 if senders in (None, "both"):
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
154 direction = "sendrecv"
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
155 elif senders == "initiator":
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
156 direction = "sendonly"
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
157 elif senders == "responder":
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
158 direction = "recvonly"
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
159 elif senders == "none":
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
160 direction = "inactive"
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
161 else:
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
162 raise exceptions.InternalError(
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
163 f"Invalid senders value for extmap: {ext_data.get('senders')}"
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
164 )
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
165
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
166 parameters_str = ""
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
167 if "parameters" in ext_data:
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
168 parameters_str = " " + " ".join(
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
169 f"{k}={v}" if v is not None else f"{k}"
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
170 for k, v in ext_data["parameters"].items()
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
171 )
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
172
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
173 sdp_lines.append(
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
174 f"a=extmap:{id_}/{direction} {ext_data['uri']}{parameters_str}"
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
175 )
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
176
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
177 if media_data.get("extmap-allow-mixed", False):
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
178 sdp_lines.append("a=extmap-allow-mixed")
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
179
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
180 def _parse_description_trigger(
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
181 self, desc_elt: domish.Element, media_data: dict
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
182 ) -> None:
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
183 """Parse the <rtp-hdrext> and <extmap-allow-mixed> elements"""
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
184 for rtp_hdrext_elt in desc_elt.elements(NS_JINGLE_RTP_HDREXT, "rtp-hdrext"):
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
185 id_ = rtp_hdrext_elt["id"]
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
186 uri = rtp_hdrext_elt["uri"]
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
187 senders = rtp_hdrext_elt.getAttribute("senders", "both")
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
188 # FIXME: workaround for Movim bug https://github.com/movim/movim/issues/1212
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
189 if senders in ("sendonly", "recvonly", "sendrecv", "inactive"):
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
190 log.warning("Movim bug workaround for wrong extmap value")
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
191 if senders == "sendonly":
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
192 senders = "initiator"
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
193 elif senders == "recvonly":
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
194 senders = "responder"
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
195 elif senders == "sendrecv":
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
196 senders = "both"
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
197 else:
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
198 senders = "none"
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
199
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
200 media_data.setdefault("rtp-hdrext", {})[id_] = {
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
201 "id": id_,
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
202 "uri": uri,
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
203 "senders": senders,
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
204 }
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
205
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
206 parameters = {}
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
207 for param_elt in rtp_hdrext_elt.elements(NS_JINGLE_RTP_HDREXT, "parameter"):
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
208 try:
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
209 parameters[param_elt["name"]] = param_elt.getAttribute("value")
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
210 except KeyError:
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
211 log.warning(f"invalid parameters (missing name): {param_elt.toXml()}")
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
212
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
213 if parameters:
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
214 media_data["rtp-hdrext"][id_]["parameters"] = parameters
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
215
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
216 try:
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
217 next(desc_elt.elements(NS_JINGLE_RTP_HDREXT, "extmap-allow-mixed"))
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
218 except StopIteration:
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
219 pass
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
220 else:
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
221 media_data["extmap-allow-mixed"] = True
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
222
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
223 def _build_description_trigger(
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
224 self, desc_elt: domish.Element, media_data: dict, session: dict
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
225 ) -> None:
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
226 """Build the <rtp-hdrext> and <extmap-allow-mixed> elements if possible"""
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
227 for id_, hdrext_data in media_data.get("rtp-hdrext", {}).items():
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
228 rtp_hdrext_elt = desc_elt.addElement((NS_JINGLE_RTP_HDREXT, "rtp-hdrext"))
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
229 rtp_hdrext_elt["id"] = id_
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
230 rtp_hdrext_elt["uri"] = hdrext_data["uri"]
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
231 senders = hdrext_data.get("senders", "both")
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
232 if senders != "both":
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
233 # we must not set "both" senders otherwise calls will fail with Movim due
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
234 # to https://github.com/movim/movim/issues/1213
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
235 rtp_hdrext_elt["senders"] = senders
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
236
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
237 for name, value in hdrext_data.get("parameters", {}).items():
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
238 param_elt = rtp_hdrext_elt.addElement((NS_JINGLE_RTP_HDREXT, "parameter"))
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
239 param_elt["name"] = name
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
240 if value is not None:
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
241 param_elt["value"] = value
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
242
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
243 if media_data.get("extmap-allow-mixed", False):
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
244 desc_elt.addElement((NS_JINGLE_RTP_HDREXT, "extmap-allow-mixed"))
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
245
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
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246
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
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247 @implementer(iwokkel.IDisco)
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
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248 class XEP_0294_handler(XMPPHandler):
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
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249 def getDiscoInfo(self, requestor, target, nodeIdentifier=""):
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
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250 return [disco.DiscoFeature(NS_JINGLE_RTP_HDREXT)]
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
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251
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
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252 def getDiscoItems(self, requestor, target, nodeIdentifier=""):
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
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253 return []