annotate sat/plugins/plugin_xep_0297.py @ 3709:09f5ac48ffe3

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author Goffi <goffi@goffi.org>
date Fri, 12 Nov 2021 17:21:24 +0100
parents be6d91572633
children 944f51f9c2b4
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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 for Stanza Forwarding (XEP-0297)
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5 # Copyright (C) 2009-2021 Jérôme Poisson (goffi@goffi.org)
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6 # Copyright (C) 2013-2016 Adrien Cossa (souliane@mailoo.org)
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7
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8 # This program is free software: you can redistribute it and/or modify
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9 # it under the terms of the GNU Affero General Public License as published by
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10 # the Free Software Foundation, either version 3 of the License, or
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11 # (at your option) any later version.
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12
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13 # This program is distributed in the hope that it will be useful,
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14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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16 # GNU Affero General Public License for more details.
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17
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18 # You should have received a copy of the GNU Affero General Public License
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19 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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20
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21 from sat.core.constants import Const as C
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22 from sat.core.i18n import _, D_
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23 from sat.core.log import getLogger
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24
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25 log = getLogger(__name__)
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26
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27 from wokkel import disco, iwokkel
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28
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29 try:
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30 from twisted.words.protocols.xmlstream import XMPPHandler
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31 except ImportError:
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32 from wokkel.subprotocols import XMPPHandler
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33 from zope.interface import implementer
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34
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35 from twisted.words.xish import domish
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36
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37 PLUGIN_INFO = {
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38 C.PI_NAME: "Stanza Forwarding",
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39 C.PI_IMPORT_NAME: "XEP-0297",
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40 C.PI_TYPE: "XEP",
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41 C.PI_PROTOCOLS: ["XEP-0297"],
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42 C.PI_MAIN: "XEP_0297",
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43 C.PI_HANDLER: "yes",
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44 C.PI_DESCRIPTION: D_("""Implementation of Stanza Forwarding"""),
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45 }
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47
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48 class XEP_0297(object):
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49 # FIXME: check this implementation which doesn't seems to be used
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50
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51 def __init__(self, host):
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52 log.info(_("Stanza Forwarding plugin initialization"))
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53 self.host = host
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54
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55 def getHandler(self, client):
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56 return XEP_0297_handler(self, client.profile)
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57
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58 @classmethod
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59 def updateUri(cls, element, uri):
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60 """Update recursively the element URI.
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61
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62 @param element (domish.Element): element to update
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63 @param uri (unicode): new URI
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64 """
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65 # XXX: we need this because changing the URI of an existing element
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66 # containing children doesn't update the children's blank URI.
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67 element.uri = uri
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68 element.defaultUri = uri
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69 for child in element.children:
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70 if isinstance(child, domish.Element) and not child.uri:
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71 XEP_0297.updateUri(child, uri)
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72
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73 def forward(self, stanza, to_jid, stamp, body="", profile_key=C.PROF_KEY_NONE):
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74 """Forward a message to the given JID.
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75
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76 @param stanza (domish.Element): original stanza to be forwarded.
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77 @param to_jid (JID): recipient JID.
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78 @param stamp (datetime): offset-aware timestamp of the original reception.
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79 @param body (unicode): optional description.
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80 @param profile_key (unicode): %(doc_profile_key)s
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81 @return: a Deferred when the message has been sent
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82 """
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83 # FIXME: this method is not used and doesn't use mess_data which should be used for client.sendMessageData
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84 # should it be deprecated? A method constructing the element without sending it seems more natural
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85 log.warning(
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86 "THIS METHOD IS DEPRECATED"
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87 ) #  FIXME: we use this warning until we check the method
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88 msg = domish.Element((None, "message"))
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89 msg["to"] = to_jid.full()
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90 msg["type"] = stanza["type"]
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91
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92 body_elt = domish.Element((None, "body"))
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93 if body:
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94 body_elt.addContent(body)
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95
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96 forwarded_elt = domish.Element((C.NS_FORWARD, "forwarded"))
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97 delay_elt = self.host.plugins["XEP-0203"].delay(stamp)
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98 forwarded_elt.addChild(delay_elt)
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99 if not stanza.uri: # None or ''
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100 XEP_0297.updateUri(stanza, "jabber:client")
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101 forwarded_elt.addChild(stanza)
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102
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103 msg.addChild(body_elt)
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104 msg.addChild(forwarded_elt)
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105
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106 client = self.host.getClient(profile_key)
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107 return client.sendMessageData({"xml": msg})
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108
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109
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110 @implementer(iwokkel.IDisco)
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111 class XEP_0297_handler(XMPPHandler):
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112
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113 def __init__(self, plugin_parent, profile):
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114 self.plugin_parent = plugin_parent
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115 self.host = plugin_parent.host
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116 self.profile = profile
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117
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118 def getDiscoInfo(self, requestor, target, nodeIdentifier=""):
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119 return [disco.DiscoFeature(C.NS_FORWARD)]
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120
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121 def getDiscoItems(self, requestor, target, nodeIdentifier=""):
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122 return []