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annotate libervia/backend/plugins/plugin_xep_0131.py @ 4314:6a70fcd93a7a

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plugin XEP-0131: Stanza Headers and Internet Metadata implementation: - SHIM is now supported and put in `msg_data["extra"]["headers"]`. - `Keywords` are converted from and to list of string in `msg_data["extra"]["keywords"]` field (if present in headers on message sending, values are merged). - Python minimal version upgraded to 3.11 due to use of `StrEnum`. rel 451
author Goffi <goffi@goffi.org>
date Sat, 28 Sep 2024 15:56:04 +0200
parents
children
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4314
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
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1 #!/usr/bin/env python3
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
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2
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Goffi <goffi@goffi.org>
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3 # Libervia plugin Stanza Headers and Internet Metadata (XEP-0131)
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4 # Copyright (C) 2009-2024 Jérôme Poisson (goffi@goffi.org)
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Goffi <goffi@goffi.org>
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5
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
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6 # This program is free software: you can redistribute it and/or modify
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
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7 # it under the terms of the GNU Affero General Public License as published by
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
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8 # the Free Software Foundation, either version 3 of the License, or
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
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9 # (at your option) any later version.
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Goffi <goffi@goffi.org>
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10
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
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11 # This program is distributed in the hope that it will be useful,
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Goffi <goffi@goffi.org>
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12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
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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
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
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17 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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Goffi <goffi@goffi.org>
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18
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
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19 from email.utils import quote, unquote
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20 from enum import StrEnum, auto
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
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21 import re
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22 from typing import Iterator, List, Literal, Optional, Self
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23
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24 from pydantic import BaseModel, ConfigDict, Field, RootModel
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25 from twisted.internet import defer
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Goffi <goffi@goffi.org>
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26 from twisted.words.protocols.jabber.xmlstream import XMPPHandler
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
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27 from twisted.words.xish import domish
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28 from wokkel import disco
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29 from zope.interface import implementer
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30
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31 from libervia.backend.core import exceptions
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32 from libervia.backend.core.constants import Const as C
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33 from libervia.backend.core.core_types import SatXMPPEntity
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34 from libervia.backend.core.i18n import _
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Goffi <goffi@goffi.org>
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35 from libervia.backend.core.log import getLogger
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Goffi <goffi@goffi.org>
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36 from libervia.backend.models.core import MessageData
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37
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38 log = getLogger(__name__)
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39
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40 PLUGIN_INFO = {
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41 C.PI_NAME: "Stanza Headers and Internet Metadata Plugin",
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
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42 C.PI_IMPORT_NAME: "XEP-0131",
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
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43 C.PI_TYPE: "XEP",
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Goffi <goffi@goffi.org>
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44 C.PI_MODES: C.PLUG_MODE_BOTH,
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Goffi <goffi@goffi.org>
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45 C.PI_PROTOCOLS: ["XEP-0131"],
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
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46 C.PI_DEPENDENCIES: [],
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Goffi <goffi@goffi.org>
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47 C.PI_MAIN: "XEP_0131",
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
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48 C.PI_HANDLER: "yes",
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
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49 C.PI_DESCRIPTION: _(
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
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50 "Enables the inclusion of non-addressing header information in XMPP stanzas."
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Goffi <goffi@goffi.org>
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51 ),
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
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52 }
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
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53
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Goffi <goffi@goffi.org>
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54 NS_SHIM = "http://jabber.org/protocol/shim"
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
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55
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
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56 # Regex to match quoted and non-quoted values.
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
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57 RE_QUOTED_VALUES = re.compile(
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
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58 r"""
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
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59 # Match quoted phrases
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
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60 "
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Goffi <goffi@goffi.org>
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61 (?:
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Goffi <goffi@goffi.org>
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62 # Match any escaped character
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
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63 \\.
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Goffi <goffi@goffi.org>
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64 # Match any character that is not a double quote or a backslash
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Goffi <goffi@goffi.org>
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65 |[^"\\]
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
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66 )*
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Goffi <goffi@goffi.org>
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67 "
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
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68 |
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
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69 # Match non-quoted phrases
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
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70 (?:[^,]+)
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
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71 """,
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Goffi <goffi@goffi.org>
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72 re.VERBOSE,
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Goffi <goffi@goffi.org>
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73 )
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74
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Goffi <goffi@goffi.org>
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75
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
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76 class Urgency(StrEnum):
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Goffi <goffi@goffi.org>
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77 low = auto()
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Goffi <goffi@goffi.org>
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78 medium = auto()
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Goffi <goffi@goffi.org>
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79 high = auto()
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80
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81
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Goffi <goffi@goffi.org>
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82 class Priority(StrEnum):
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
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83 non_urgent = "non-urgent"
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84 normal = auto()
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85 urgent = auto()
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Goffi <goffi@goffi.org>
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86 emergency = auto()
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87
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88
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Goffi <goffi@goffi.org>
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89 class HeadersData(BaseModel):
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Goffi <goffi@goffi.org>
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90 model_config = ConfigDict(extra="allow")
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91
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92 __pydantic_extra__: dict[str, str] = Field(init=False) # type: ignore
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93
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Goffi <goffi@goffi.org>
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94 keywords: str | None = None
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95 urgency: Urgency | None = None
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96 priority: Priority | None = None
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97
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98 def items(self):
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99 return self.__pydantic_extra__.items()
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100
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101 def to_element(self) -> domish.Element:
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Goffi <goffi@goffi.org>
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102 """Build the <headers> element from this instance's data."""
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Goffi <goffi@goffi.org>
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103 headers_elt = domish.Element((NS_SHIM, "headers"))
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Goffi <goffi@goffi.org>
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104 header_names = list(self.model_fields.keys()) + list(
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105 self.__pydantic_extra__.keys()
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106 )
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
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107 for name in header_names:
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
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108 value = getattr(self, name)
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Goffi <goffi@goffi.org>
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109 if value is None:
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Goffi <goffi@goffi.org>
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110 continue
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Goffi <goffi@goffi.org>
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111 header_elt = headers_elt.addElement("header")
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Goffi <goffi@goffi.org>
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112 header_elt["name"] = name
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Goffi <goffi@goffi.org>
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113 header_elt.addContent(value)
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Goffi <goffi@goffi.org>
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114 return headers_elt
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Goffi <goffi@goffi.org>
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115
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Goffi <goffi@goffi.org>
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116 @classmethod
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Goffi <goffi@goffi.org>
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117 def from_element(cls, headers_elt: domish.Element) -> Self:
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Goffi <goffi@goffi.org>
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118 """Create a HeadersData instance from a <headers> element."""
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Goffi <goffi@goffi.org>
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119 if headers_elt.uri != NS_SHIM or headers_elt.name != "headers":
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
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120 child_headers_elt = next(headers_elt.elements(NS_SHIM, "headers"), None)
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Goffi <goffi@goffi.org>
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121 if child_headers_elt is None:
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
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122 raise exceptions.NotFound("<headers> element not found")
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Goffi <goffi@goffi.org>
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123 else:
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Goffi <goffi@goffi.org>
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diff changeset
124 headers_elt = child_headers_elt
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
125
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
126 headers = {}
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
127 for header_elt in headers_elt.elements(NS_SHIM, "header"):
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
128 name = header_elt.getAttribute("name")
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
129 value = str(header_elt)
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
130 headers[name] = value
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
131 return cls(**headers)
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
132
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
133
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
134 class Keywords(RootModel):
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
135 root: list[str]
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
136
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
137 def __iter__(self) -> Iterator[str]: # type: ignore
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
138 return iter(self.root)
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
139
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
140 def __getitem__(self, item) -> str:
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
141 return self.root[item]
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
142
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
143 def __len__(self) -> int:
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
144 return len(self.root)
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
145
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
146
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
147 class XEP_0131:
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
148 """Implementation for XEP-0131"""
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
149
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
150 def __init__(self, host):
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
151 log.info(_("Stanza Headers and Internet Metadata plugin initialization"))
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
152 self.host = host
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
153 host.register_namespace("shim", NS_SHIM)
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
154 host.trigger.add("sendMessage", self.send_message_trigger)
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
155 host.trigger.add("sendMessageComponent", self.send_message_trigger)
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
156 host.trigger.add("message_received", self.message_received_trigger)
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
157
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
158 def quote_value(self, value: str) -> str:
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
159 """Quote a value if it contain special characters
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
160
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
161 @param value: Value to quote if necessary.
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
162 @return: Quoted value.
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
163 """
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
164 if any(c in value for c in r" ,\""):
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
165 value = f'"{quote(value)}"'
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
166 return value
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
167
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
168 def unquote_values(self, raw_header: str) -> list[str]:
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
169 """Unquote raw list of values header.
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
170
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
171 This is raw header for potentially quoted values separated by commas, like in the
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
172 "keywords" header.
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
173
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
174 @param raw_keywords_header: Raw Keywords header.
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
175 @return: A list of unquoted strings.
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
176 """
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
177 unquoted_values = []
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
178
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
179 for match in RE_QUOTED_VALUES.finditer(raw_header):
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
180 value = match.group(0).strip()
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
181
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
182 # Unquote the keyword if needed.
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
183 if value.startswith('"') and value.endswith('"'):
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
184 value = unquote(value)
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
185
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
186 value = value.strip()
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
187 if value:
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
188 unquoted_values.append(value)
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
189
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
190 return unquoted_values
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
191
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
192 def move_keywords_to_headers(self, extra: dict) -> None:
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
193 """Check if keywords are present in extra, and move them to headers.
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
194
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
195 The list of keywords will be converted to a header value and set in the right
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
196 location.
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
197
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
198 @param extra: MessageData's ``extra`` field. Will be modified in place by
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
199 creating/updating the ``headers`` field.
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
200 """
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
201 # Keywords can be in a list of strings in extra's "keywords" field.
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
202 if "keywords" in extra:
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
203 keywords = Keywords(extra["keywords"])
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
204 if keywords:
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
205 headers = extra.setdefault("headers", {})
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
206 quoted_kw = ",".join(self.quote_value(kw) for kw in keywords)
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
207 existing_kw = headers.get("keywords")
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
208 if existing_kw:
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
209 # We have also keywords in headers, we merge both.
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
210 quoted_kw = f"{existing_kw},{quoted_kw}"
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
211 headers["keywords"] = quoted_kw
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
212
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
213 def send_message_trigger(
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
214 self, client, mess_data, pre_xml_treatments, post_xml_treatments
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
215 ) -> Literal[True]:
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
216 """Process the XEP-0131 related data to be sent"""
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
217
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
218 def add_headers(mess_data: MessageData) -> MessageData:
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
219 extra = mess_data["extra"]
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
220 self.move_keywords_to_headers(extra)
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
221 # Now we parse headers, if any.
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
222 if "headers" in extra:
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
223 headers_data = HeadersData(**extra["headers"])
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
224 message_elt = mess_data["xml"]
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
225 message_elt.addChild(headers_data.to_element())
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
226 return mess_data
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
227
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
228 post_xml_treatments.addCallback(add_headers)
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
229 return True
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
230
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
231 def message_received_trigger(
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
232 self,
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
233 client: SatXMPPEntity,
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
234 message_elt: domish.Element,
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
235 post_treat: defer.Deferred,
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
236 ) -> Literal[True]:
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
237 """Parse headers information and add them to message data."""
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
238 try:
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
239 headers = HeadersData.from_element(message_elt)
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
240 except exceptions.NotFound:
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
241 pass
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
242 else:
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
243
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
244 def post_treat_addr(mess_data: MessageData):
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
245 """Add the headers metadata to the message data"""
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
246 if headers.keywords:
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
247 # We move keywords to a list of string in extra's "keywords" field.
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
248 mess_data["extra"]["keywords"] = self.unquote_values(headers.keywords)
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
249 headers.keywords = None
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
250 mess_data["extra"]["headers"] = headers.model_dump(
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
251 mode="json", exclude_none=True
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
252 )
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
253 return mess_data
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
254
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
255 post_treat.addCallback(post_treat_addr)
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
256 return True
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
257
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
258 def get_handler(self, client):
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
259 return XEP_0131_handler()
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
260
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
261
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
262 @implementer(disco.IDisco)
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
263 class XEP_0131_handler(XMPPHandler):
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
264
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
265 def getDiscoInfo(
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
266 self, requestor, target, nodeIdentifier: Optional[str] = ""
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
267 ) -> List[disco.DiscoFeature]:
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
268 return [disco.DiscoFeature(NS_SHIM)]
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
269
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
270 def getDiscoItems(
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
271 self, requestor, target, nodeIdentifier: Optional[str] = ""
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
272 ) -> List[disco.DiscoItem]:
6a70fcd93a7a plugin XEP-0131: Stanza Headers and Internet Metadata implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
273 return []