Mercurial > libervia-backend

annotate libervia/backend/plugins/plugin_xep_0294.py @ 4270:0d7bb4df2343

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Reformatted code base using black.
author Goffi <goffi@goffi.org>
date Wed, 19 Jun 2024 18:44:57 +0200
parents 4b842c1fb686
children
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18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
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
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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:
diff changeset
246
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
247 @implementer(iwokkel.IDisco)
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
248 class XEP_0294_handler(XMPPHandler):
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
249 def getDiscoInfo(self, requestor, target, nodeIdentifier=""):
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
250 return [disco.DiscoFeature(NS_JINGLE_RTP_HDREXT)]
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
251
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
252 def getDiscoItems(self, requestor, target, nodeIdentifier=""):
18719058a914 plugin XEP-0294: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
253 return []