annotate src/plugins/plugin_xep_0300.py @ 1612:48f324352c52

primitivus: fixed showDialog and XMLUI message dialog
author Goffi <goffi@goffi.org>
date Tue, 17 Nov 2015 12:28:45 +0100
parents bb451fd1cea3
children 0de5f210fe56
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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 Hash functions (XEP-0300)
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5 # Copyright (C) 2009, 2010, 2011, 2012, 2013, 2014, 2015 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 sat.core.i18n import _
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21 from sat.core.log import getLogger
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22 log = getLogger(__name__)
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23 from twisted.words.xish import domish
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24 import hashlib
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25
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26
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27 NS_HASHES = "urn:xmpp:hashes:1"
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28
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29 PLUGIN_INFO = {
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30 "name": "Cryptographic Hash Functions",
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31 "import_name": "XEP-0300",
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32 "type": "XEP",
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33 "protocols": ["XEP-0300"],
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34 "main": "XEP_0300",
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35 "handler": "no",
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36 "description": _("""Management of cryptographic hashes""")
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37 }
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38
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39
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40 class XEP_0300(object):
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41 ALGOS = {u'md5': hashlib.md5,
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42 u'sha-1': hashlib.sha1,
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43 u'sha-256': hashlib.sha256,
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44 u'sha-512': hashlib.sha512,
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45 }
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46
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47 def __init__(self, host):
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48 log.info(_("plugin Hashes initialization"))
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49
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50 def buidHash(self, file_obj=None, algo='sha-256'):
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51 """Compute hash and build hash element
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52
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53 @param file_obj(file, None): file to use to calculate the hash
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54 if file_obj is None, en empty hash element will be returned (useful e.g. in XEP-0234)
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55 @param algo(unicode): algorithme to use, must be a key of XEP_0300.ALGOS
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56 @return (domish.Element): computed hash
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57 """
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58 hasher = self.ALGOS[algo]
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59 hash_elt = domish.Element((NS_HASHES, 'hash'))
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60 hash_elt['algo']=algo
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61 # TODO: actually hash, use deferToThread
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62 return hash_elt
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63