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annotate sat/plugins/plugin_xep_0103.py @ 4002:5245b675f7ad

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plugin XEP-0313: don't wait for MAM to be retrieved in connection workflow: MAM retrieval can be long, and can be done after connection, message just need to be sorted when being inserted (i.e. frontends must do insort). To avoid blocking connection for too long and result in bad UX and timeout risk, one2one MAM message are not retrieved in background.
author Goffi <goffi@goffi.org>
date Fri, 10 Mar 2023 17:22:45 +0100
parents eb0a77bea363
children 524856bd7b19
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
3895
eb0a77bea363 plugin XEP-0103: URL Address Information implementation:
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1 #!/usr/bin/env python3
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2
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3 # Copyright (C) 2009-2022 Jérôme Poisson (goffi@goffi.org)
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4
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5 # This program is free software: you can redistribute it and/or modify
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6 # it under the terms of the GNU Affero General Public License as published by
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7 # the Free Software Foundation, either version 3 of the License, or
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8 # (at your option) any later version.
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9
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10 # This program is distributed in the hope that it will be useful,
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11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 # GNU Affero General Public License for more details.
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14
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15 # You should have received a copy of the GNU Affero General Public License
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16 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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17
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18 from typing import Dict, Any
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19
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20 from twisted.words.xish import domish
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21
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22 from sat.core.constants import Const as C
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23 from sat.core.i18n import _
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24 from sat.core.log import getLogger
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25 from sat.core import exceptions
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26
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27 log = getLogger(__name__)
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28
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29
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30 PLUGIN_INFO = {
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31 C.PI_NAME: "URL Address Information",
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32 C.PI_IMPORT_NAME: "XEP-0103",
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33 C.PI_TYPE: "XEP",
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34 C.PI_MODES: C.PLUG_MODE_BOTH,
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35 C.PI_PROTOCOLS: ["XEP-0103"],
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36 C.PI_MAIN: "XEP_0103",
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37 C.PI_HANDLER: "no",
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38 C.PI_DESCRIPTION: _("""Implementation of XEP-0103 (URL Address Information)"""),
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39 }
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40
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41 NS_URL_DATA = "http://jabber.org/protocol/url-data"
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42
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43
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44 class XEP_0103:
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45 namespace = NS_URL_DATA
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46
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47 def __init__(self, host):
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48 log.info(_("XEP-0103 (URL Address Information) plugin initialization"))
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49 host.registerNamespace("url-data", NS_URL_DATA)
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50
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51 def get_url_data_elt(
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52 self,
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53 url: str,
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54 **kwargs
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55 ) -> domish.Element:
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56 """Generate the element describing the URL
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57
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58 @param url: URL to use
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59 @param extra: extra metadata describing how to access the URL
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60 @return: ``<url-data/>`` element
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61 """
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62 url_data_elt = domish.Element((NS_URL_DATA, "url-data"))
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63 url_data_elt["target"] = url
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64 return url_data_elt
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65
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66 def parse_url_data_elt(
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67 self,
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68 url_data_elt: domish.Element
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69 ) -> Dict[str, Any]:
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70 """Parse <url-data/> element
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71
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72 @param url_data_elt: <url-data/> element
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73 a parent element can also be used
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74 @return: url-data data. It's a dict whose keys correspond to
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75 [get_url_data_elt] parameters
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76 @raise exceptions.NotFound: no <url-data/> element has been found
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77 """
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78 if url_data_elt.name != "url-data":
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79 try:
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80 url_data_elt = next(
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81 url_data_elt.elements(NS_URL_DATA, "url-data")
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82 )
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83 except StopIteration:
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84 raise exceptions.NotFound
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85 try:
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86 data: Dict[str, Any] = {"url": url_data_elt["target"]}
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87 except KeyError:
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88 raise ValueError(f'"target" attribute is missing: {url_data_elt.toXml}')
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89
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90 return data