libervia-backend: libervia/backend/plugins/plugin_xep

annotate libervia/backend/plugins/plugin_xep_0339.py @ 4228:79a4870cfbdf

migration: fix migration when XEP-0373 or XEP-0384 can't be imported: Those plugins are using optional modules, and if their importation fails, there is probably no data to migrate either.

author	Goffi <goffi@goffi.org>
date	Sat, 09 Mar 2024 15:13:14 +0100
parents	4b842c1fb686
children	0d7bb4df2343

rev	line source
4067 3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	1 #!/usr/bin/env python3
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	2
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	3 # Libervia plugin
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	4 # Copyright (C) 2009-2023 Jérôme Poisson (goffi@goffi.org)
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	5
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	6 # This program is free software: you can redistribute it and/or modify
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	7 # it under the terms of the GNU Affero General Public License as published by
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	8 # the Free Software Foundation, either version 3 of the License, or
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	9 # (at your option) any later version.
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	10
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	11 # This program is distributed in the hope that it will be useful,
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	14 # GNU Affero General Public License for more details.
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	15
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	16 # You should have received a copy of the GNU Affero General Public License
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	17 # along with this program. If not, see <http://www.gnu.org/licenses/>.
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	18
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	19 from typing import List
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	20
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	21 from twisted.words.protocols.jabber.xmlstream import XMPPHandler
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	22 from twisted.words.xish import domish
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	23 from wokkel import disco, iwokkel
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	24 from zope.interface import implementer
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	25
4071 4b842c1fb686 refactoring: renamed `sat` package to `libervia.backend` Goffi <goffi@goffi.org> parents: 4067 diff changeset	26 from libervia.backend.core import exceptions
4b842c1fb686 refactoring: renamed `sat` package to `libervia.backend` Goffi <goffi@goffi.org> parents: 4067 diff changeset	27 from libervia.backend.core.constants import Const as C
4b842c1fb686 refactoring: renamed `sat` package to `libervia.backend` Goffi <goffi@goffi.org> parents: 4067 diff changeset	28 from libervia.backend.core.core_types import SatXMPPEntity
4b842c1fb686 refactoring: renamed `sat` package to `libervia.backend` Goffi <goffi@goffi.org> parents: 4067 diff changeset	29 from libervia.backend.core.i18n import _
4b842c1fb686 refactoring: renamed `sat` package to `libervia.backend` Goffi <goffi@goffi.org> parents: 4067 diff changeset	30 from libervia.backend.core.log import getLogger
4b842c1fb686 refactoring: renamed `sat` package to `libervia.backend` Goffi <goffi@goffi.org> parents: 4067 diff changeset	31 from libervia.backend.tools import xml_tools
4067 3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	32
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	33 log = getLogger(__name__)
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	34
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	35 NS_JINGLE_RTP_SSMA = "urn:xmpp:jingle:apps:rtp:ssma:0"
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	36
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	37 PLUGIN_INFO = {
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	38 C.PI_NAME: "Source-Specific Media Attributes in Jingle",
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	39 C.PI_IMPORT_NAME: "XEP-0339",
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	40 C.PI_TYPE: "XEP",
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	41 C.PI_MODES: C.PLUG_MODE_BOTH,
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	42 C.PI_PROTOCOLS: ["XEP-0339"],
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	43 C.PI_DEPENDENCIES: ["XEP-0092", "XEP-0167"],
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	44 C.PI_RECOMMENDATIONS: [],
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	45 C.PI_MAIN: "XEP_0339",
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	46 C.PI_HANDLER: "yes",
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	47 C.PI_DESCRIPTION: _("""Source-Specific Media Attributes in Jingle"""),
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	48 }
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	49
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	50
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	51 class XEP_0339:
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	52 def __init__(self, host):
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	53 log.info(f"plugin {PLUGIN_INFO[C.PI_NAME]!r} initialization")
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	54 self.host = host
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	55 host.trigger.add("XEP-0167_parse_sdp_a", self._parse_sdp_a_trigger)
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	56 host.trigger.add(
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	57 "XEP-0167_generate_sdp_content", self._generate_sdp_content_trigger
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	58 )
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	59 host.trigger.add("XEP-0167_parse_description", self._parse_description_trigger)
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	60 host.trigger.add("XEP-0167_build_description", self._build_description_trigger)
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	61
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	62 def get_handler(self, client):
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	63 return XEP_0339_handler()
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	64
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	65 def _parse_sdp_a_trigger(
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	66 self,
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	67 attribute: str,
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	68 parts: List[str],
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	69 call_data: dict,
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	70 metadata: dict,
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	71 media_type: str,
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	72 application_data: dict,
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	73 transport_data: dict,
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	74 ) -> None:
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	75 """Parse "ssrc" attributes"""
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	76 if attribute == "ssrc":
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	77 assert application_data is not None
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	78 ssrc_id = int(parts[0])
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	79
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	80 if len(parts) > 1:
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	81 name, *values = " ".join(parts[1:]).split(":", 1)
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	82 if values:
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	83 value = values[0] or None
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	84 else:
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	85 value = None
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	86 application_data.setdefault("ssrc", {}).setdefault(ssrc_id, {})[
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	87 name
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	88 ] = value
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	89 else:
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	90 log.warning(f"no attribute in ssrc: {' '.join(parts)}")
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	91 application_data.setdefault("ssrc", {}).setdefault(ssrc_id, {})
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	92 elif attribute == "ssrc-group":
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	93 assert application_data is not None
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	94 semantics, *ssrc_ids = parts
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	95 ssrc_ids = [int(ssrc_id) for ssrc_id in ssrc_ids]
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	96 application_data.setdefault("ssrc-group", {})[semantics] = ssrc_ids
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	97 elif attribute == "msid":
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	98 assert application_data is not None
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	99 application_data["msid"] = " ".join(parts)
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	100
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	101
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	102 def _generate_sdp_content_trigger(
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	103 self,
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	104 session: dict,
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	105 local: bool,
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	106 idx: int,
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	107 content_data: dict,
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	108 sdp_lines: List[str],
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	109 application_data: dict,
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	110 app_data_key: str,
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	111 media_data: dict,
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	112 media: str
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	113 ) -> None:
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	114 """Generate "msid" and "ssrc" attributes"""
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	115 if "msid" in media_data:
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	116 sdp_lines.append(f"a=msid:{media_data['msid']}")
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	117
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	118 ssrc_data = media_data.get("ssrc", {})
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	119 ssrc_group_data = media_data.get("ssrc-group", {})
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	120
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	121 for ssrc_id, attributes in ssrc_data.items():
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	122 if not attributes:
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	123 # there are no attributes for this SSRC ID, we add a simple line with only
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	124 # the SSRC ID
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	125 sdp_lines.append(f"a=ssrc:{ssrc_id}")
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	126 else:
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	127 for attr_name, attr_value in attributes.items():
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	128 if attr_value is not None:
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	129 sdp_lines.append(f"a=ssrc:{ssrc_id} {attr_name}:{attr_value}")
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	130 else:
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	131 sdp_lines.append(f"a=ssrc:{ssrc_id} {attr_name}")
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	132 for semantics, ssrc_ids in ssrc_group_data.items():
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	133 ssrc_lines = " ".join(str(ssrc_id) for ssrc_id in ssrc_ids)
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	134 sdp_lines.append(f"a=ssrc-group:{semantics} {ssrc_lines}")
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	135
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	136 def _parse_description_trigger(
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	137 self, desc_elt: domish.Element, media_data: dict
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	138 ) -> bool:
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	139 """Parse the <source> and <ssrc-group> elements"""
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	140 for source_elt in desc_elt.elements(NS_JINGLE_RTP_SSMA, "source"):
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	141 try:
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	142 ssrc_id = int(source_elt["ssrc"])
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	143 media_data.setdefault("ssrc", {})[ssrc_id] = {}
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	144 for param_elt in source_elt.elements(NS_JINGLE_RTP_SSMA, "parameter"):
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	145 name = param_elt["name"]
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	146 value = param_elt.getAttribute("value")
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	147 media_data["ssrc"][ssrc_id][name] = value
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	148 if name == "msid" and "msid" not in media_data:
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	149 media_data["msid"] = value
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	150 except (KeyError, ValueError) as e:
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	151 log.warning(f"Error while parsing <source>: {e}\n{source_elt.toXml()}")
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	152
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	153 for ssrc_group_elt in desc_elt.elements(NS_JINGLE_RTP_SSMA, "ssrc-group"):
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	154 try:
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	155 semantics = ssrc_group_elt["semantics"]
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	156 semantic_ids = media_data.setdefault("ssrc-group", {})[semantics] = []
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	157 for source_elt in ssrc_group_elt.elements(NS_JINGLE_RTP_SSMA, "source"):
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	158 semantic_ids.append(
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	159 int(source_elt["ssrc"])
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	160 )
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	161 except (KeyError, ValueError) as e:
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	162 log.warning(
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	163 f"Error while parsing <ssrc-group>: {e}\n{ssrc_group_elt.toXml()}"
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	164 )
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	165
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	166 return True
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	167
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	168 def _build_description_trigger(
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	169 self, desc_elt: domish.Element, media_data: dict, session: dict
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	170 ) -> bool:
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	171 """Build the <source> and <ssrc-group> elements if possible"""
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	172 for ssrc_id, parameters in media_data.get("ssrc", {}).items():
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	173 if "msid" not in parameters and "msid" in media_data:
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	174 parameters["msid"] = media_data["msid"]
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	175 source_elt = desc_elt.addElement((NS_JINGLE_RTP_SSMA, "source"))
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	176 source_elt["ssrc"] = str(ssrc_id)
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	177 for name, value in parameters.items():
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	178 param_elt = source_elt.addElement((NS_JINGLE_RTP_SSMA, "parameter"))
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	179 param_elt["name"] = name
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	180 if value is not None:
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	181 param_elt["value"] = value
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	182
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	183 for semantics, ssrc_ids in media_data.get("ssrc-group", {}).items():
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	184 ssrc_group_elt = desc_elt.addElement((NS_JINGLE_RTP_SSMA, "ssrc-group"))
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	185 ssrc_group_elt["semantics"] = semantics
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	186 for ssrc_id in ssrc_ids:
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	187 source_elt = ssrc_group_elt.addElement((NS_JINGLE_RTP_SSMA, "source"))
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	188 source_elt["ssrc"] = str(ssrc_id)
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	189
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	190 return True
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	191
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	192
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	193 @implementer(iwokkel.IDisco)
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	194 class XEP_0339_handler(XMPPHandler):
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	195 def getDiscoInfo(self, requestor, target, nodeIdentifier=""):
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	196 return [disco.DiscoFeature(NS_JINGLE_RTP_SSMA)]
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	197
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	198 def getDiscoItems(self, requestor, target, nodeIdentifier=""):
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation: Goffi <goffi@goffi.org> parents: diff changeset	199 return []

Mercurial > libervia-backend

annotate libervia/backend/plugins/plugin_xep_0339.py @ 4228:79a4870cfbdf