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annotate libervia/backend/plugins/plugin_exp_pubsub_admin.py @ 4340:ea72364131d5 default tip @

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doc (components): Update Email Gateway documentation: A section has been added to explain how attachments are handled. fix 453
author Goffi <goffi@goffi.org>
date Tue, 03 Dec 2024 00:53:18 +0100
parents 0d7bb4df2343
children
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1 #!/usr/bin/env python3
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2
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3
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4 # SAT plugin to send pubsub requests with administrator privilege
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5 # Copyright (C) 2009-2021 Jérôme Poisson (goffi@goffi.org)
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6
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7 # This program is free software: you can redistribute it and/or modify
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8 # it under the terms of the GNU Affero General Public License as published by
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9 # the Free Software Foundation, either version 3 of the License, or
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10 # (at your option) any later version.
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11
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12 # This program is distributed in the hope that it will be useful,
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13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 # GNU Affero General Public License for more details.
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16
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17 # You should have received a copy of the GNU Affero General Public License
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18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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19
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20 from libervia.backend.core.i18n import _
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21 from libervia.backend.core import exceptions
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22 from libervia.backend.core.constants import Const as C
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23 from libervia.backend.core.log import getLogger
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24 from libervia.backend.tools.common import data_format
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25 from twisted.words.protocols.jabber import jid
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26 from wokkel import pubsub
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27 from wokkel import generic
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28
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29 log = getLogger(__name__)
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30
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31 PLUGIN_INFO = {
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32 C.PI_NAME: "Pubsub Administrator",
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33 C.PI_IMPORT_NAME: "PUBSUB_ADMIN",
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34 C.PI_TYPE: C.PLUG_TYPE_EXP,
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35 C.PI_PROTOCOLS: [],
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36 C.PI_DEPENDENCIES: [],
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37 C.PI_RECOMMENDATIONS: [],
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38 C.PI_MAIN: "PubsubAdmin",
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39 C.PI_HANDLER: "no",
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40 C.PI_DESCRIPTION: _(
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41 """\Implementation of Pubsub Administrator
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42 This allows a pubsub administrator to overwrite completly items, including publisher.
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43 Specially useful when importing a node."""
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44 ),
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45 }
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46
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47 NS_PUBSUB_ADMIN = "https://salut-a-toi.org/spec/pubsub_admin:0"
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48
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49
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50 class PubsubAdmin(object):
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51
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52 def __init__(self, host):
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53 self.host = host
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54 host.bridge.add_method(
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55 "ps_admin_items_send",
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56 ".plugin",
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57 in_sign="ssasss",
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58 out_sign="as",
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59 method=self._publish,
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60 async_=True,
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61 )
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62
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63 def _publish(
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64 self, service, nodeIdentifier, items, extra=None, profile_key=C.PROF_KEY_NONE
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65 ):
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66 client = self.host.get_client(profile_key)
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67 service = None if not service else jid.JID(service)
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68 extra = data_format.deserialise(extra)
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69 items = [generic.parseXml(i.encode("utf-8")) for i in items]
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70 return self.publish(client, service, nodeIdentifier, items, extra)
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71
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72 def _send_cb(self, iq_result):
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73 publish_elt = iq_result.admin.pubsub.publish
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74 ids = []
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75 for item_elt in publish_elt.elements(pubsub.NS_PUBSUB, "item"):
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76 ids.append(item_elt["id"])
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77 return ids
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78
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79 def publish(self, client, service, nodeIdentifier, items, extra=None):
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80 for item in items:
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81 if item.name != "item" or item.uri != pubsub.NS_PUBSUB:
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82 raise exceptions.DataError(
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83 "Invalid element, a pubsub item is expected: {xml}".format(
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84 xml=item.toXml()
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85 )
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86 )
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87 iq_elt = client.IQ()
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88 iq_elt["to"] = service.full() if service else client.jid.userhost()
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89 admin_elt = iq_elt.addElement((NS_PUBSUB_ADMIN, "admin"))
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90 pubsub_elt = admin_elt.addElement((pubsub.NS_PUBSUB, "pubsub"))
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91 publish_elt = pubsub_elt.addElement("publish")
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92 publish_elt["node"] = nodeIdentifier
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93 for item in items:
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94 publish_elt.addChild(item)
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95 d = iq_elt.send()
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96 d.addCallback(self._send_cb)
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97 return d