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annotate sat/plugins/plugin_exp_lang_detect.py @ 3237:b0c57c9a4bd8

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plugin XEP-0384: OMEMO trust policy: OMEMO trust policy can now be specified. For now there are 2 policies: - `manual`: each new device fingerprint must be explicitly trusted or not before the device can be used, and the message sent - `BTBV` (Blind Trust Before Verification): each new device fingerprint is automically trusted, until user manually trust or not a device, in which case the behaviour becomes the same as for `manual` for the entity. When using the Trust UI, user can put the entity back to blind trust if they wish. A message is send as feedback to user when a new device is/must be trusted, trying to explain clearly what's happening to the user. Devices which have been automically trusted are marked, so user can know which ones may cause security issue.
author Goffi <goffi@goffi.org>
date Fri, 27 Mar 2020 10:02:14 +0100
parents dcebc585c29f
children be6d91572633
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1 #!/usr/bin/env python3
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2
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4 # SAT plugin to detect language (experimental)
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5 # Copyright (C) 2009-2020 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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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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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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20 from sat.core.i18n import _, D_
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21 from sat.core.constants import Const as C
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22 from sat.core.log import getLogger
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24 log = getLogger(__name__)
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25 from sat.core import exceptions
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26
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27 try:
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28 from langid.langid import LanguageIdentifier, model
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29 except ImportError:
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30 raise exceptions.MissingModule(
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31 'Missing module langid, please download/install it with "pip install langid")'
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32 )
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34 identifier = LanguageIdentifier.from_modelstring(model, norm_probs=False)
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37 PLUGIN_INFO = {
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38 C.PI_NAME: "Language detection plugin",
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39 C.PI_IMPORT_NAME: "EXP-LANG-DETECT",
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40 C.PI_TYPE: "EXP",
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41 C.PI_PROTOCOLS: [],
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42 C.PI_DEPENDENCIES: [],
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43 C.PI_MAIN: "LangDetect",
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44 C.PI_HANDLER: "no",
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45 C.PI_DESCRIPTION: _("""Detect and set message language when unknown"""),
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46 }
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47
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48 CATEGORY = D_("Misc")
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49 NAME = "lang_detect"
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50 LABEL = D_("language detection")
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51 PARAMS = """
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52 <params>
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53 <individual>
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54 <category name="{category_name}">
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55 <param name="{name}" label="{label}" type="bool" value="true" />
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56 </category>
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57 </individual>
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58 </params>
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59 """.format(
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60 category_name=CATEGORY, name=NAME, label=_(LABEL)
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61 )
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64 class LangDetect(object):
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65 def __init__(self, host):
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66 log.info(_("Language detection plugin initialization"))
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67 self.host = host
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68 host.memory.updateParams(PARAMS)
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69 host.trigger.add("messageReceived", self.messageReceivedTrigger)
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70 host.trigger.add("sendMessage", self.MessageSendTrigger)
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72 def addLanguage(self, mess_data):
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73 message = mess_data["message"]
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74 if len(message) == 1 and list(message.keys())[0] == "":
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75 msg = list(message.values())[0]
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76 lang = identifier.classify(msg)[0]
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77 mess_data["message"] = {lang: msg}
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78 return mess_data
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80 def messageReceivedTrigger(self, client, message_elt, post_treat):
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81 """ Check if source is linked and repeat message, else do nothing """
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82
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83 lang_detect = self.host.memory.getParamA(
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84 NAME, CATEGORY, profile_key=client.profile
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85 )
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86 if lang_detect:
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87 post_treat.addCallback(self.addLanguage)
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88 return True
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90 def MessageSendTrigger(self, client, data, pre_xml_treatments, post_xml_treatments):
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91 lang_detect = self.host.memory.getParamA(
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92 NAME, CATEGORY, profile_key=client.profile
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93 )
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94 if lang_detect:
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95 self.addLanguage(data)
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96 return True