annotate sat/plugins/plugin_xep_0447.py @ 3897:4b7106eede0c

plugin XEP-0447: Stateless File Sharing implementation: rel 379
author Goffi <goffi@goffi.org>
date Wed, 21 Sep 2022 22:28:20 +0200
parents
children 0ff265725489
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4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
parents:
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1 #!/usr/bin/env python3
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
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2
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
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3 # Copyright (C) 2009-2022 Jérôme Poisson (goffi@goffi.org)
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
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4
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
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5 # This program is free software: you can redistribute it and/or modify
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
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6 # it under the terms of the GNU Affero General Public License as published by
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
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7 # the Free Software Foundation, either version 3 of the License, or
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
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8 # (at your option) any later version.
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
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9
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
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10 # This program is distributed in the hope that it will be useful,
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
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11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
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12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
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13 # GNU Affero General Public License for more details.
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
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14
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
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15 # You should have received a copy of the GNU Affero General Public License
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
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16 # along with this program. If not, see <http://www.gnu.org/licenses/>.
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
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17
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
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18 from typing import Optional, Dict, List, Tuple, Union, Any
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
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19
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
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20 from twisted.words.xish import domish
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
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21
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
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22 from sat.core.constants import Const as C
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
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23 from sat.core.i18n import _
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Goffi <goffi@goffi.org>
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24 from sat.core.log import getLogger
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
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25 from sat.core import exceptions
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26
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
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27 log = getLogger(__name__)
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28
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29
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
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30 PLUGIN_INFO = {
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
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31 C.PI_NAME: "Stateless File Sharing",
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32 C.PI_IMPORT_NAME: "XEP-0447",
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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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Goffi <goffi@goffi.org>
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35 C.PI_PROTOCOLS: ["XEP-0447"],
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Goffi <goffi@goffi.org>
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36 C.PI_DEPENDENCIES: ["XEP-0103", "XEP-0446"],
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
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37 C.PI_MAIN: "XEP_0447",
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Goffi <goffi@goffi.org>
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38 C.PI_HANDLER: "no",
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Goffi <goffi@goffi.org>
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39 C.PI_DESCRIPTION: _("""Implementation of XEP-0447 (Stateless File Sharing)"""),
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
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40 }
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41
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
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42 NS_SFS = "urn:xmpp:sfs:0"
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Goffi <goffi@goffi.org>
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43
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
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44
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
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45 class XEP_0447:
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Goffi <goffi@goffi.org>
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46 namespace = NS_SFS
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Goffi <goffi@goffi.org>
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47
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
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48 def __init__(self, host):
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
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49 log.info(_("XEP-0447 (Stateless File Sharing) plugin initialization"))
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
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50 host.registerNamespace("sfs", NS_SFS)
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Goffi <goffi@goffi.org>
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51 self._u = host.plugins["XEP-0103"]
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Goffi <goffi@goffi.org>
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52 self._m = host.plugins["XEP-0446"]
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Goffi <goffi@goffi.org>
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53
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Goffi <goffi@goffi.org>
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54 def get_file_sharing_elt(
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Goffi <goffi@goffi.org>
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55 self,
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
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56 sources: List[Dict[str, Any]],
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
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57 disposition: Optional[str] = None,
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
parents:
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58 name: Optional[str] = None,
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Goffi <goffi@goffi.org>
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59 media_type: Optional[str] = None,
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Goffi <goffi@goffi.org>
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60 desc: Optional[str] = None,
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Goffi <goffi@goffi.org>
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61 size: Optional[int] = None,
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Goffi <goffi@goffi.org>
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62 file_hash: Optional[Tuple[str, str]] = None,
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Goffi <goffi@goffi.org>
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63 date: Optional[Union[float, int]] = None,
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Goffi <goffi@goffi.org>
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64 width: Optional[int] = None,
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Goffi <goffi@goffi.org>
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65 height: Optional[int] = None,
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
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66 length: Optional[int] = None,
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
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67 thumbnail: Optional[str] = None,
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Goffi <goffi@goffi.org>
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68 **kwargs,
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
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69 ) -> domish.Element:
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
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70 """Generate the <file-sharing/> element
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Goffi <goffi@goffi.org>
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71
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Goffi <goffi@goffi.org>
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72 @param extra: extra metadata describing how to access the URL
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Goffi <goffi@goffi.org>
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73 @return: ``<sfs/>`` element
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
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74 """
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
parents:
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75 file_sharing_elt = domish.Element((NS_SFS, "file-sharing"))
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
parents:
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76 if disposition is not None:
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Goffi <goffi@goffi.org>
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77 file_sharing_elt["disposition"] = disposition
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
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78 file_sharing_elt.addChild(
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Goffi <goffi@goffi.org>
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79 self._m.get_file_metadata_elt(
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Goffi <goffi@goffi.org>
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80 name=name,
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Goffi <goffi@goffi.org>
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81 media_type=media_type,
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Goffi <goffi@goffi.org>
parents:
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82 desc=desc,
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
parents:
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83 size=size,
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
parents:
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84 file_hash=file_hash,
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
parents:
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85 date=date,
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Goffi <goffi@goffi.org>
parents:
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86 width=width,
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
parents:
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87 height=height,
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
parents:
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88 length=length,
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Goffi <goffi@goffi.org>
parents:
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89 thumbnail=thumbnail,
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Goffi <goffi@goffi.org>
parents:
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90 )
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
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91 )
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
parents:
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92 sources_elt = file_sharing_elt.addElement("sources")
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
parents:
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93 for source_data in sources:
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Goffi <goffi@goffi.org>
parents:
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94 if "url" in source_data:
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
parents:
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95 sources_elt.addChild(
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
parents:
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96 self._u.get_url_data_elt(**source_data)
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Goffi <goffi@goffi.org>
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97 )
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Goffi <goffi@goffi.org>
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98 else:
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Goffi <goffi@goffi.org>
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99 raise NotImplementedError(
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Goffi <goffi@goffi.org>
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100 f"source data not implemented: {source_data}"
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
parents:
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101 )
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Goffi <goffi@goffi.org>
parents:
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102
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Goffi <goffi@goffi.org>
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103 return file_sharing_elt
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Goffi <goffi@goffi.org>
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104
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Goffi <goffi@goffi.org>
parents:
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105 def parse_file_sharing_elt(
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
parents:
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106 self,
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
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107 file_sharing_elt: domish.Element
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
parents:
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108 ) -> Dict[str, Any]:
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Goffi <goffi@goffi.org>
parents:
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109 """Parse <file-sharing/> element and return file-sharing data
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Goffi <goffi@goffi.org>
parents:
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110
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
parents:
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111 @param file_sharing_elt: <file-sharing/> element
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
parents:
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112 @return: file-sharing data. It a dict whose keys correspond to
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
parents:
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113 [get_file_sharing_elt] parameters
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
parents:
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114 """
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
parents:
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115 if file_sharing_elt.name != "file-sharing":
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
parents:
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116 try:
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
parents:
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117 file_sharing_elt = next(
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
parents:
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118 file_sharing_elt.elements(NS_SFS, "file-sharing")
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
parents:
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119 )
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
parents:
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120 except StopIteration:
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
parents:
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121 raise exceptions.NotFound
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
parents:
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122 try:
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
parents:
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123 data = self._m.parse_file_metadata_elt(file_sharing_elt)
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
124 except exceptions.NotFound:
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
parents:
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125 data = {}
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
parents:
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126 disposition = file_sharing_elt.getAttribute("disposition")
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
parents:
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127 if disposition is not None:
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
parents:
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128 data["disposition"] = disposition
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
parents:
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129 sources = data["sources"] = []
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
parents:
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130 try:
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
parents:
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131 sources_elt = next(file_sharing_elt.elements(NS_SFS, "sources"))
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
parents:
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132 except StopIteration:
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
parents:
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133 raise ValueError(f"<sources/> element is missing: {file_sharing_elt.toXml()}")
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
134 for elt in sources_elt.elements():
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
135 if elt.name == "url-data" and elt.uri == self._u.namespace:
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
136 source_data = self._u.parse_url_data_elt(elt)
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
137 else:
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
138 log.warning(f"unmanaged file sharing element: {elt.toXml}")
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
139 continue
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
140 sources.append(source_data)
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
141
4b7106eede0c plugin XEP-0447: Stateless File Sharing implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
142 return data