annotate src/plugins/plugin_xep_0203.py @ 1900:d1615f79dfe8

core (tools/config): fixed fixConfigOption: C.DEFAULT_CONFIG was used so the default values were written if not set in the config file used, resulting in a overriding of values set in config files of higher level (e.g. ~/.config/sat/sat.conf could override /etc/sat.conf values).
author Goffi <goffi@goffi.org>
date Wed, 09 Mar 2016 12:11:35 +0100 (2016-03-09)
parents d17772b0fe22
children 2daf7b4c6756
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1 #!/usr/bin/python
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2 # -*- coding: utf-8 -*-
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3
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4 # SAT plugin for Delayed Delivery (XEP-0203)
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5 # Copyright (C) 2009-2016 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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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.i18n import _
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22 from sat.core.log import getLogger
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23 log = getLogger(__name__)
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24
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25 from calendar import timegm
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26 from wokkel import disco, iwokkel, delay
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27 try:
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28 from twisted.words.protocols.xmlstream import XMPPHandler
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29 except ImportError:
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30 from wokkel.subprotocols import XMPPHandler
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31 from zope.interface import implements
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34 NS_DD = 'urn:xmpp:delay'
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35
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36 PLUGIN_INFO = {
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37 "name": "Delayed Delivery",
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38 "import_name": "XEP-0203",
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39 "type": "XEP",
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40 "protocols": ["XEP-0203"],
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41 "main": "XEP_0203",
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42 "handler": "yes",
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43 "description": _("""Implementation of Delayed Delivery""")
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44 }
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47 class XEP_0203(object):
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48
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49 def __init__(self, host):
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50 log.info(_("Delayed Delivery plugin initialization"))
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51 self.host = host
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52 host.trigger.add("MessageReceived", self.messageReceivedTrigger)
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55 def getHandler(self, profile):
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56 return XEP_0203_handler(self, profile)
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57
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58 def delay(self, stamp, sender=None, desc='', parent=None):
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59 """Build a delay element, eventually append it to the given parent element.
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60
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61 @param stamp (datetime): offset-aware timestamp of the original sending.
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62 @param sender (JID): entity that originally sent or delayed the message.
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63 @param desc (unicode): optional natural language description.
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64 @param parent (domish.Element): add the delay element to this element.
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65 @return: the delay element (domish.Element)
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66 """
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67 elt = delay.Delay(stamp, sender).toElement()
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68 if desc:
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69 elt.addContent(desc)
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70 if parent:
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71 parent.addChild(elt)
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72 return elt
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73
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74 def messagePostTreat(self, data, timestamp):
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75 """Set the timestamp of a received message.
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77 @param data (dict): data send by MessageReceived trigger through post_treat deferred
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78 @param timestamp (int): original timestamp of a delayed message
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79 @return: dict
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80 """
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81 data['extra']['timestamp'] = unicode(timestamp)
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82 return data
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84 def messageReceivedTrigger(self, message, post_treat, profile):
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85 """Process a delay element from incoming message.
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87 @param message (domish.Element): message element
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88 @param post_treat (Deferred): deferred instance to add post treatments
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89 """
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90 try:
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91 delay_ = delay.Delay.fromElement([elm for elm in message.elements() if elm.name == 'delay'][0])
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92 except IndexError:
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93 return True
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94 else:
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95 timestamp = timegm(delay_.stamp.utctimetuple())
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96 post_treat.addCallback(self.messagePostTreat, timestamp)
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97 return True
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98
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99 class XEP_0203_handler(XMPPHandler):
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100 implements(iwokkel.IDisco)
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101
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102 def __init__(self, plugin_parent, profile):
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103 self.plugin_parent = plugin_parent
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104 self.host = plugin_parent.host
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105 self.profile = profile
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106
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107 def getDiscoInfo(self, requestor, target, nodeIdentifier=''):
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108 return [disco.DiscoFeature(NS_DD)]
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109
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110 def getDiscoItems(self, requestor, target, nodeIdentifier=''):
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111 return []