Mercurial > libervia-backend
annotate src/plugins/plugin_xep_0334.py @ 2450:124f5db998f2
jp (merge-request): first draft:
Introduce a new "merge-request" command to handle merge request creation/sending.
| author | Goffi <goffi@goffi.org> |
|---|---|
| date | Thu, 30 Nov 2017 20:52:33 +0100 |
| parents | 8b37a62336c3 |
| children | 0046283a285d |
| rev | line source |
|---|---|
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1 #!/usr/bin/env python2 |
| 1279 | 2 # -*- coding: utf-8 -*- |
| 3 | |
| 4 # SAT plugin for Delayed Delivery (XEP-0334) | |
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5 # Copyright (C) 2009-2017 Jérôme Poisson (goffi@goffi.org) |
| 1766 | 6 # Copyright (C) 2013-2016 Adrien Cossa (souliane@mailoo.org) |
| 1279 | 7 |
| 8 # This program is free software: you can redistribute it and/or modify | |
| 9 # it under the terms of the GNU Affero General Public License as published by | |
| 10 # the Free Software Foundation, either version 3 of the License, or | |
| 11 # (at your option) any later version. | |
| 12 | |
| 13 # This program is distributed in the hope that it will be useful, | |
| 14 # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 16 # GNU Affero General Public License for more details. | |
| 17 | |
| 18 # You should have received a copy of the GNU Affero General Public License | |
| 19 # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 20 | |
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21 from sat.core.i18n import _, D_ |
| 1279 | 22 from sat.core.log import getLogger |
| 23 log = getLogger(__name__) | |
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24 from sat.core.constants import Const as C |
| 1279 | 25 |
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26 from sat.tools.common import data_format |
| 1279 | 27 |
| 28 from wokkel import disco, iwokkel | |
| 29 try: | |
| 30 from twisted.words.protocols.xmlstream import XMPPHandler | |
| 31 except ImportError: | |
| 32 from wokkel.subprotocols import XMPPHandler | |
| 33 from zope.interface import implements | |
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34 from textwrap import dedent |
| 1279 | 35 |
| 36 | |
| 37 PLUGIN_INFO = { | |
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38 C.PI_NAME: u"Message Processing Hints", |
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39 C.PI_IMPORT_NAME: u"XEP-0334", |
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40 C.PI_TYPE: u"XEP", |
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41 C.PI_PROTOCOLS: [u"XEP-0334"], |
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42 C.PI_MAIN: "XEP_0334", |
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43 C.PI_HANDLER: u"yes", |
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44 C.PI_DESCRIPTION: D_(u"""Implementation of Message Processing Hints"""), |
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45 C.PI_USAGE: dedent(D_(u"""\ |
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46 Frontends can use HINT_* constants in mess_data['extra'] in a serialized 'hints' dict. |
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47 Internal plugins can use directly addHint([HINT_* constant]). |
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48 Will set mess_data['extra']['history'] to 'skipped' when no store is requested and message is not saved in history.""")) |
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49 |
| 1279 | 50 } |
| 51 | |
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52 NS_HINTS = u'urn:xmpp:hints' |
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53 |
| 1279 | 54 |
| 55 class XEP_0334(object): | |
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56 HINT_NO_PERMANENT_STORE = u'no-permanent-store' |
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57 HINT_NO_STORE = u'no-store' |
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58 HINT_NO_COPY = u'no-copy' |
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59 HINT_STORE = u'store' |
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60 HINTS = (HINT_NO_PERMANENT_STORE, HINT_NO_STORE, HINT_NO_COPY, HINT_STORE) |
| 1279 | 61 |
| 62 def __init__(self, host): | |
| 63 log.info(_("Message Processing Hints plugin initialization")) | |
| 64 self.host = host | |
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65 host.trigger.add("sendMessage", self.sendMessageTrigger) |
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66 host.trigger.add("MessageReceived", self.messageReceivedTrigger, priority=-1000) |
| 1279 | 67 |
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68 def getHandler(self, client): |
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69 return XEP_0334_handler() |
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70 |
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71 def addHint(self, mess_data, hint): |
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72 if hint == self.HINT_NO_COPY and not mess_data['to'].resource: |
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73 log.error(u"{hint} can only be used with full jids! Ignoring it.".format(hint=hint)) |
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74 return |
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75 hints = mess_data.setdefault('hints', set()) |
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76 if hint in self.HINTS: |
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77 hints.add(hint) |
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78 else: |
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79 log.error(u"Unknown hint: {}".format(hint)) |
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80 |
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81 def _sendPostXmlTreatment(self, mess_data): |
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82 if 'hints' in mess_data: |
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83 for hint in mess_data['hints']: |
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84 mess_data[u'xml'].addElement((NS_HINTS, hint)) |
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85 return mess_data |
| 1279 | 86 |
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87 def sendMessageTrigger(self, client, mess_data, pre_xml_treatments, post_xml_treatments): |
| 1279 | 88 """Add the hints element to the message to be sent""" |
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89 if u'hints' in mess_data[u'extra']: |
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90 for hint in data_format.dict2iter(u'hints', mess_data[u'extra'], pop=True): |
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91 self.addHint(hint) |
| 1279 | 92 |
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93 post_xml_treatments.addCallback(self._sendPostXmlTreatment) |
| 1279 | 94 return True |
| 95 | |
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96 def _receivedSkipHistory(self, mess_data): |
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97 mess_data[u'history'] = C.HISTORY_SKIP |
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98 return mess_data |
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99 |
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100 def messageReceivedTrigger(self, client, message_elt, post_treat): |
| 1279 | 101 """Check for hints in the received message""" |
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102 for elt in message_elt.elements(): |
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103 if elt.uri == NS_HINTS and elt.name in (self.HINT_NO_PERMANENT_STORE, self.HINT_NO_STORE): |
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104 log.debug(u"history will be skipped for this message, as requested") |
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105 post_treat.addCallback(self._receivedSkipHistory) |
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106 break |
| 1279 | 107 return True |
| 108 | |
| 109 | |
| 110 class XEP_0334_handler(XMPPHandler): | |
| 111 implements(iwokkel.IDisco) | |
| 112 | |
| 113 def getDiscoInfo(self, requestor, target, nodeIdentifier=''): | |
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114 return [disco.DiscoFeature(NS_HINTS)] |
| 1279 | 115 |
| 116 def getDiscoItems(self, requestor, target, nodeIdentifier=''): | |
| 117 return [] |