Mercurial > libervia-backend
annotate src/plugins/plugin_sec_otr.py @ 1174:bc811915a96a
plugin OTR: do not save in history the encrypted messages for skipped profiles
| author | souliane <souliane@mailoo.org> |
|---|---|
| date | Sun, 07 Sep 2014 20:08:56 +0200 |
| parents | 0abce7f17782 |
| children | eb1144a22e20 |
| rev | line source |
|---|---|
| 1055 | 1 #!/usr/bin/python |
| 2 # -*- coding: utf-8 -*- | |
| 3 | |
| 4 # SAT plugin for OTR encryption | |
| 5 # Copyright (C) 2009, 2010, 2011, 2012, 2013, 2014 Jérôme Poisson (goffi@goffi.org) | |
| 6 | |
| 7 # This program is free software: you can redistribute it and/or modify | |
| 8 # it under the terms of the GNU Affero General Public License as published by | |
| 9 # the Free Software Foundation, either version 3 of the License, or | |
| 10 # (at your option) any later version. | |
| 11 | |
| 12 # This program is distributed in the hope that it will be useful, | |
| 13 # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 15 # GNU Affero General Public License for more details. | |
| 16 | |
| 17 # You should have received a copy of the GNU Affero General Public License | |
| 18 # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 19 | |
| 20 # XXX: thanks to Darrik L Mazey for his documentation (https://blog.darmasoft.net/2013/06/30/using-pure-python-otr.html) | |
| 21 # this implentation is based on it | |
| 22 | |
|
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23 from sat.core.i18n import _, D_ |
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24 from sat.core.constants import Const as C |
| 1055 | 25 from sat.core.log import getLogger |
| 26 from sat.core import exceptions | |
| 27 log = getLogger(__name__) | |
|
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plugin OTR: authentication management + fixed a bug in setState (due to a wrong docstring in potr.context.getCurrentTrust)
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28 from sat.tools import xml_tools |
| 1055 | 29 from twisted.words.protocols.jabber import jid |
| 30 from twisted.python import failure | |
| 1095 | 31 from twisted.internet import defer |
| 1055 | 32 import potr |
| 1095 | 33 from sat.memory import persistent |
| 34 | |
| 35 NS_OTR = "otr_plugin" | |
| 36 PRIVATE_KEY = "PRIVATE KEY" | |
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37 MAIN_MENU = D_('OTR') |
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38 AUTH_TXT = D_("To authenticate your correspondent, you need to give your below fingerprint *BY AN EXTERNAL CANAL* (i.e. not in this chat), and check that the one he give you is the same as below. If there is a mismatch, there can be a spy between you !") |
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plugin OTR: added ability to drop private key
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39 DROP_TXT = D_("You private key is used to encrypt messages for your correspondent, nobody except you must know it, if you are in doubt, you should drop it !\n\nAre you sure you want to drop your private key ?") |
| 1055 | 40 |
| 41 DEFAULT_POLICY_FLAGS = { | |
| 42 'ALLOW_V1':False, | |
| 43 'ALLOW_V2':True, | |
| 44 'REQUIRE_ENCRYPTION':True, | |
| 45 } | |
| 46 | |
| 47 PLUGIN_INFO = { | |
| 48 "name": "OTR", | |
| 49 "import_name": "OTR", | |
| 50 "type": "SEC", | |
| 51 "protocols": [], | |
| 52 "dependencies": [], | |
| 53 "main": "OTR", | |
| 54 "handler": "no", | |
| 55 "description": _("""Implementation of OTR""") | |
| 56 } | |
| 57 | |
| 58 | |
| 59 class Context(potr.context.Context): | |
| 1095 | 60 def __init__(self, host, account, other_jid): |
| 61 super(Context, self).__init__(account, other_jid) | |
| 1055 | 62 self.host = host |
| 63 | |
| 64 def getPolicy(self, key): | |
| 65 if key in DEFAULT_POLICY_FLAGS: | |
| 66 return DEFAULT_POLICY_FLAGS[key] | |
| 67 else: | |
| 68 return False | |
| 69 | |
| 1095 | 70 def inject(self, msg_str, appdata=None): |
| 71 assert isinstance(self.peer, jid.JID) | |
| 72 msg = msg_str.decode('utf-8') | |
| 73 client = self.user.client | |
| 74 log.debug(u'inject(%s, appdata=%s, to=%s)' % (msg, appdata, self.peer)) | |
| 1055 | 75 mess_data = {'message': msg, |
| 76 'type': 'chat', | |
| 77 'from': client.jid, | |
| 1095 | 78 'to': self.peer, |
| 1055 | 79 'subject': None, |
| 80 } | |
| 81 self.host.generateMessageXML(mess_data) | |
| 82 client.xmlstream.send(mess_data['xml']) | |
| 83 | |
| 84 def setState(self, state): | |
| 1095 | 85 old_state = self.state |
| 1055 | 86 super(Context, self).setState(state) |
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87 log.debug(u"setState: %s (old_state=%s)" % (state, old_state)) |
| 1095 | 88 |
| 89 if state == potr.context.STATE_PLAINTEXT: | |
| 90 feedback = _(u"/!\\ conversation with %(other_jid)s is now UNENCRYPTED") % {'other_jid': self.peer.full()} | |
| 91 elif state == potr.context.STATE_ENCRYPTED: | |
| 92 try: | |
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93 trusted = self.getCurrentTrust() |
| 1095 | 94 except TypeError: |
| 95 trusted = False | |
| 96 trusted_str = _(u"trusted") if trusted else _(u"untrusted") | |
| 97 | |
| 98 if old_state == potr.context.STATE_ENCRYPTED: | |
| 99 feedback = _(u"%(trusted)s OTR conversation with %(other_jid)s REFRESHED") % {'trusted': trusted_str, 'other_jid': self.peer.full()} | |
| 100 else: | |
| 101 feedback = _(u"%(trusted)s Encrypted OTR conversation started with %(other_jid)s") % {'trusted': trusted_str, 'other_jid': self.peer.full()} | |
| 102 elif state == potr.context.STATE_FINISHED: | |
| 103 feedback = _(u"OTR conversation with %(other_jid)s is FINISHED") % {'other_jid': self.peer.full()} | |
| 104 else: | |
| 105 log.error(_(u"Unknown OTR state")) | |
| 106 return | |
| 107 | |
| 108 client = self.user.client | |
| 109 self.host.bridge.newMessage(client.jid.full(), | |
| 110 feedback, | |
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core: a new "info" type is used in newMessage for system messages (not comming from outside)
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111 mess_type=C.MESS_TYPE_INFO, |
| 1095 | 112 to_jid=self.peer.full(), |
| 113 extra={}, | |
| 114 profile=client.profile) | |
| 115 # TODO: send signal to frontends | |
| 1055 | 116 |
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plugin OTR: disconnect the active OTR sessions and delete the context on profile disconnection
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117 def disconnect(self): |
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118 """Disconnect the session.""" |
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119 if self.state != potr.context.STATE_PLAINTEXT: |
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120 super(Context, self).disconnect() |
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121 |
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122 def finish(self): |
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123 """Finish the session - avoid to send any message but the user still has to end the session himself.""" |
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124 if self.state == potr.context.STATE_ENCRYPTED: |
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125 self.processTLVs([potr.proto.DisconnectTLV()]) |
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126 |
| 1055 | 127 |
| 128 class Account(potr.context.Account): | |
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129 #TODO: manage trusted keys: if a fingerprint is not used anymore, we have no way to remove it from database yet (same thing for a correspondent jid) |
| 1055 | 130 |
| 1095 | 131 def __init__(self, host, client): |
| 132 log.debug(u"new account: %s" % client.jid) | |
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133 if not client.jid.resource: |
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134 log.warning("Account created without resource") |
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135 super(Account, self).__init__(unicode(client.jid), "xmpp", 1024) |
| 1095 | 136 self.host = host |
| 137 self.client = client | |
| 1055 | 138 |
| 139 def loadPrivkey(self): | |
| 1095 | 140 log.debug(u"loadPrivkey") |
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141 return self.privkey |
| 1055 | 142 |
| 143 def savePrivkey(self): | |
| 1095 | 144 log.debug(u"savePrivkey") |
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plugin otr: priv_key is better than getPrivKey here, as it should not be None + fixed private key encryption/decryption
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145 if self.privkey is None: |
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146 raise exceptions.InternalError(_("Save is called but privkey is None !")) |
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147 priv_key = self.privkey.serializePrivateKey().encode('hex') |
| 1095 | 148 d = self.host.memory.encryptValue(priv_key, self.client.profile) |
| 149 def save_encrypted_key(encrypted_priv_key): | |
| 150 self.client.otr_data[PRIVATE_KEY] = encrypted_priv_key | |
| 151 d.addCallback(save_encrypted_key) | |
| 1055 | 152 |
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153 def loadTrusts(self): |
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154 trust_data = self.client.otr_data.get('trust', {}) |
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155 for jid_, jid_data in trust_data.iteritems(): |
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156 for fingerprint, trust_level in jid_data.iteritems(): |
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157 log.debug('setting trust for {jid}: [{fingerprint}] = "{trust_level}"'.format(jid=jid_, fingerprint=fingerprint, trust_level=trust_level)) |
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158 self.trusts.setdefault(jid.JID(jid_), {})[fingerprint] = trust_level |
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159 |
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160 def saveTrusts(self): |
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161 log.debug("saving trusts for {profile}".format(profile=self.client.profile)) |
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162 log.debug("trusts = {}".format(self.client.otr_data['trust'])) |
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163 self.client.otr_data.force('trust') |
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164 |
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165 def setTrust(self, other_jid, fingerprint, trustLevel): |
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166 try: |
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167 trust_data = self.client.otr_data['trust'] |
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168 except KeyError: |
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169 trust_data = {} |
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170 self.client.otr_data['trust'] = trust_data |
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171 jid_data = trust_data.setdefault(other_jid.full(), {}) |
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172 jid_data[fingerprint] = trustLevel |
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173 super(Account, self).setTrust(other_jid, fingerprint, trustLevel) |
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174 |
| 1055 | 175 |
| 176 class ContextManager(object): | |
| 177 | |
| 178 def __init__(self, host, client): | |
| 179 self.host = host | |
| 1095 | 180 self.account = Account(host, client) |
| 1055 | 181 self.contexts = {} |
| 182 | |
| 1095 | 183 def startContext(self, other_jid): |
| 184 assert isinstance(other_jid, jid.JID) | |
| 185 context = self.contexts.setdefault(other_jid, Context(self.host, self.account, other_jid)) | |
| 186 return context | |
| 1055 | 187 |
| 188 def getContextForUser(self, other): | |
| 1095 | 189 log.debug(u"getContextForUser [%s]" % other) |
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190 if not other.resource: |
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191 log.warning("getContextForUser called with a bare jid") |
| 1055 | 192 return self.startContext(other) |
| 193 | |
| 194 | |
| 195 class OTR(object): | |
| 196 | |
| 197 def __init__(self, host): | |
| 1095 | 198 log.info(_(u"OTR plugin initialization")) |
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plugin OTR: temporary potr monkey patch to work around a unicode bug, to be removed as soon as a potr fixed version is released (potr maintainer should do it soon)
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199 self._fixPotr() # FIXME: to be removed when potr will be fixed |
| 1055 | 200 self.host = host |
| 201 self.context_managers = {} | |
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202 self.skipped_profiles = set() |
| 1055 | 203 host.trigger.add("MessageReceived", self.MessageReceivedTrigger, priority=100000) |
| 204 host.trigger.add("sendMessage", self.sendMessageTrigger, priority=100000) | |
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205 host.bridge.addMethod("skipOTR", ".plugin", in_sign='s', out_sign='', method=self._skipOTR) |
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206 host.importMenu((MAIN_MENU, D_("Start/Refresh")), self._startRefresh, security_limit=0, help_string=D_("Start or refresh an OTR session"), type_=C.MENU_SINGLE) |
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207 host.importMenu((MAIN_MENU, D_("End session")), self._endSession, security_limit=0, help_string=D_("Finish an OTR session"), type_=C.MENU_SINGLE) |
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208 host.importMenu((MAIN_MENU, D_("Authenticate")), self._authenticate, security_limit=0, help_string=D_("Authenticate user/see your fingerprint"), type_=C.MENU_SINGLE) |
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209 host.importMenu((MAIN_MENU, D_("Drop private key")), self._dropPrivKey, security_limit=0, type_=C.MENU_SINGLE) |
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210 host.trigger.add("presenceReceived", self.presenceReceivedTrigger) |
| 1055 | 211 |
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212 def _fixPotr(self): |
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213 # FIXME: potr fix for bad unicode handling |
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214 # this method monkeypatch it, must be removed when potr |
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215 # is fixed |
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216 |
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217 def getDefaultQueryMessage(self, policy): |
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218 defaultQuery = '?OTRv{versions}?\nI would like to start ' \ |
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219 'an Off-the-Record private conversation. However, you ' \ |
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220 'do not have a plugin to support that.\nSee '\ |
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221 'https://otr.cypherpunks.ca/ for more information.' |
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222 v = '2' if policy('ALLOW_V2') else '' |
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223 msg = defaultQuery.format(versions=v) |
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224 return msg.encode('ascii') |
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225 |
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226 potr.context.Account.getDefaultQueryMessage = getDefaultQueryMessage |
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227 |
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228 def _skipOTR(self, profile): |
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229 """Tell the backend to not handle OTR for this profile. |
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230 |
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231 @param profile (str): %(doc_profile)s |
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232 """ |
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233 self.skipped_profiles.add(profile) |
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234 |
| 1095 | 235 @defer.inlineCallbacks |
| 1055 | 236 def profileConnected(self, profile): |
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237 if profile in self.skipped_profiles: |
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238 return |
| 1055 | 239 client = self.host.getClient(profile) |
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240 ctxMng = self.context_managers[profile] = ContextManager(self.host, client) |
| 1095 | 241 client.otr_data = persistent.PersistentBinaryDict(NS_OTR, profile) |
| 242 yield client.otr_data.load() | |
| 243 encrypted_priv_key = client.otr_data.get(PRIVATE_KEY, None) | |
| 244 if encrypted_priv_key is not None: | |
| 245 priv_key = yield self.host.memory.decryptValue(encrypted_priv_key, profile) | |
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246 ctxMng.account.privkey = potr.crypt.PK.parsePrivateKey(priv_key.decode('hex'))[0] |
| 1095 | 247 else: |
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248 ctxMng.account.privkey = None |
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249 ctxMng.account.loadTrusts() |
| 1055 | 250 |
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251 def profileDisconnected(self, profile): |
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252 try: |
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253 for context in self.context_managers[profile].contexts.values(): |
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254 context.disconnect() |
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255 del self.context_managers[profile] |
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256 except KeyError: |
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257 pass |
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258 try: |
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259 self.skipped_profiles.remove(profile) |
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260 except KeyError: |
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261 pass |
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262 |
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263 def _startRefresh(self, menu_data, profile): |
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264 """Start or refresh an OTR session |
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265 |
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266 @param menu_data: %(menu_data)s |
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267 @param profile: %(doc_profile)s |
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268 """ |
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269 try: |
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270 to_jid = jid.JID(menu_data['jid']) |
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271 if not to_jid.resource: |
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272 to_jid.resource = self.host.memory.getLastResource(to_jid, profile) # FIXME: temporary and unsecure, must be changed when frontends are refactored |
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273 except KeyError: |
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274 log.error(_("jid key is not present !")) |
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275 return defer.fail(exceptions.DataError) |
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276 otrctx = self.context_managers[profile].getContextForUser(to_jid) |
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277 query = otrctx.sendMessage(0, '?OTRv?') |
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278 otrctx.inject(query) |
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279 return {} |
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280 |
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281 def _endSession(self, menu_data, profile): |
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282 """End an OTR session |
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283 |
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284 @param menu_data: %(menu_data)s |
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285 @param profile: %(doc_profile)s |
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286 """ |
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287 try: |
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288 to_jid = jid.JID(menu_data['jid']) |
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289 if not to_jid.resource: |
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290 to_jid.resource = self.host.memory.getLastResource(to_jid, profile) # FIXME: temporary and unsecure, must be changed when frontends are refactored |
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291 except KeyError: |
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292 log.error(_("jid key is not present !")) |
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293 return defer.fail(exceptions.DataError) |
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294 otrctx = self.context_managers[profile].getContextForUser(to_jid) |
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295 otrctx.disconnect() |
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296 return {} |
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297 |
|
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298 def _authenticate(self, menu_data, profile): |
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299 """Authenticate other user and see our own fingerprint |
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300 |
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301 @param menu_data: %(menu_data)s |
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302 @param profile: %(doc_profile)s |
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303 """ |
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304 try: |
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305 to_jid = jid.JID(menu_data['jid']) |
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306 if not to_jid.resource: |
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307 to_jid.resource = self.host.memory.getLastResource(to_jid, profile) # FIXME: temporary and unsecure, must be changed when frontends are refactored |
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308 except KeyError: |
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309 log.error(_("jid key is not present !")) |
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310 return defer.fail(exceptions.DataError) |
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311 ctxMng = self.context_managers[profile] |
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312 otrctx = ctxMng.getContextForUser(to_jid) |
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313 priv_key = ctxMng.account.privkey |
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314 |
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315 if priv_key is None: |
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316 # we have no private key yet |
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317 dialog = xml_tools.XMLUI(C.XMLUI_DIALOG, |
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318 dialog_opt = {C.XMLUI_DATA_TYPE: C.XMLUI_DIALOG_MESSAGE, |
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319 C.XMLUI_DATA_MESS: _("You have no private key yet, start an OTR conversation to have one"), |
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320 C.XMLUI_DATA_LVL: C.XMLUI_DATA_LVL_WARNING |
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321 }, |
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322 title = _("No private key"), |
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323 ) |
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324 return {'xmlui': dialog.toXml()} |
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325 |
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326 other_fingerprint = otrctx.getCurrentKey() |
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327 |
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328 if other_fingerprint is None: |
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329 # we have a private key, but not the fingerprint of our correspondent |
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330 dialog = xml_tools.XMLUI(C.XMLUI_DIALOG, |
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331 dialog_opt = {C.XMLUI_DATA_TYPE: C.XMLUI_DIALOG_MESSAGE, |
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332 C.XMLUI_DATA_MESS: _("Your fingerprint is\n{fingerprint}\n\nStart an OTR conversation to have your correspondent one.").format(fingerprint=priv_key), |
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333 C.XMLUI_DATA_LVL: C.XMLUI_DATA_LVL_INFO |
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334 }, |
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335 title = _("Fingerprint"), |
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336 ) |
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337 return {'xmlui': dialog.toXml()} |
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338 |
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339 def setTrust(raw_data, profile): |
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340 # This method is called when authentication form is submited |
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341 data = xml_tools.XMLUIResult2DataFormResult(raw_data) |
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342 if data['match'] == 'yes': |
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343 otrctx.setCurrentTrust('verified') |
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344 note_msg = _("Your correspondant {correspondent} is now TRUSTED") |
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345 else: |
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346 otrctx.setCurrentTrust('') |
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347 note_msg = _("Your correspondant {correspondent} is now UNTRUSTED") |
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348 note = xml_tools.XMLUI(C.XMLUI_DIALOG, dialog_opt = { |
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349 C.XMLUI_DATA_TYPE: C.XMLUI_DIALOG_NOTE, |
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350 C.XMLUI_DATA_MESS: note_msg.format(correspondent=otrctx.peer)} |
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351 ) |
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352 return {'xmlui': note.toXml()} |
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353 |
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354 submit_id = self.host.registerCallback(setTrust, with_data=True, one_shot=True) |
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355 trusted = bool(otrctx.getCurrentTrust()) |
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356 |
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357 xmlui = xml_tools.XMLUI(C.XMLUI_FORM, title=_('Authentication (%s)') % to_jid.full(), submit_id=submit_id) |
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358 xmlui.addText(_(AUTH_TXT)) |
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359 xmlui.addDivider() |
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360 xmlui.addText(_("Your own fingerprint is:\n{fingerprint}").format(fingerprint=priv_key)) |
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361 xmlui.addText(_("Your correspondent fingerprint should be:\n{fingerprint}").format(fingerprint=other_fingerprint)) |
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362 xmlui.addDivider('blank') |
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363 xmlui.changeContainer('pairs') |
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364 xmlui.addLabel(_('Is your correspondent fingerprint the same as here ?')) |
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365 xmlui.addList("match", [('yes', _('yes')),('no', _('no'))], ['yes' if trusted else 'no']) |
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366 return {'xmlui': xmlui.toXml()} |
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367 |
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368 def _dropPrivKey(self, menu_data, profile): |
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369 """Drop our private Key |
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370 |
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371 @param menu_data: %(menu_data)s |
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372 @param profile: %(doc_profile)s |
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373 """ |
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374 try: |
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375 to_jid = jid.JID(menu_data['jid']) |
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376 if not to_jid.resource: |
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377 to_jid.resource = self.host.memory.getLastResource(to_jid, profile) # FIXME: temporary and unsecure, must be changed when frontends are refactored |
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378 except KeyError: |
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379 log.error(_("jid key is not present !")) |
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380 return defer.fail(exceptions.DataError) |
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381 |
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382 ctxMng = self.context_managers[profile] |
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383 if ctxMng.account.privkey is None: |
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384 return {'xmlui': xml_tools.note(_("You don't have a private key yet !")).toXml()} |
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385 |
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386 def dropKey(data, profile): |
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387 if C.bool(data['answer']): |
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388 # we end all sessions |
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389 for context in ctxMng.contexts.values(): |
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390 context.disconnect() |
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391 ctxMng.account.privkey = None |
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392 ctxMng.account.getPrivkey() # as account.privkey is None, getPrivkey will generate a new key, and save it |
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393 return {'xmlui': xml_tools.note(_("Your private key has been dropped")).toXml()} |
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394 return {} |
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395 |
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396 submit_id = self.host.registerCallback(dropKey, with_data=True, one_shot=True) |
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397 |
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398 confirm = xml_tools.XMLUI(C.XMLUI_DIALOG, title=_('Confirm private key drop'), dialog_opt = {'type': C.XMLUI_DIALOG_CONFIRM, 'message': _(DROP_TXT)}, submit_id = submit_id) |
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399 return {'xmlui': confirm.toXml()} |
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400 |
| 1055 | 401 def _receivedTreatment(self, data, profile): |
| 402 from_jid = jid.JID(data['from']) | |
| 1095 | 403 log.debug(u"_receivedTreatment [from_jid = %s]" % from_jid) |
| 1055 | 404 otrctx = self.context_managers[profile].getContextForUser(from_jid) |
| 1095 | 405 encrypted = True |
| 1055 | 406 |
| 407 try: | |
| 1095 | 408 res = otrctx.receiveMessage(data['body'].encode('utf-8')) |
| 1055 | 409 except potr.context.UnencryptedMessage: |
| 1095 | 410 if otrctx.state == potr.context.STATE_ENCRYPTED: |
| 411 log.warning(u"Received unencrypted message in an encrypted context (from %(jid)s)" % {'jid': from_jid.full()}) | |
| 412 client = self.host.getClient(profile) | |
| 413 self.host.bridge.newMessage(from_jid.full(), | |
| 414 _(u"WARNING: received unencrypted data in a supposedly encrypted context"), | |
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415 mess_type=C.MESS_TYPE_INFO, |
| 1095 | 416 to_jid=client.jid.full(), |
| 417 extra={}, | |
| 418 profile=client.profile) | |
| 1055 | 419 encrypted = False |
| 420 | |
| 1095 | 421 if not encrypted: |
| 1055 | 422 return data |
| 423 else: | |
| 424 if res[0] != None: | |
| 425 # decrypted messages handling. | |
| 426 # receiveMessage() will return a tuple, the first part of which will be the decrypted message | |
| 427 data['body'] = res[0].decode('utf-8') | |
| 428 raise failure.Failure(exceptions.SkipHistory()) # we send the decrypted message to frontends, but we don't want it in history | |
| 429 else: | |
| 430 raise failure.Failure(exceptions.CancelError()) # no message at all (no history, no signal) | |
| 431 | |
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432 def _receivedTreatmentForSkippedProfiles(self, data, profile): |
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433 """This profile must be skipped because the frontend manages OTR itself, |
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434 but we still need to check if the message must be stored in history or not""" |
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435 body = data['body'].encode('utf-8') |
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436 if body.startswith(potr.proto.OTRTAG): |
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437 raise failure.Failure(exceptions.SkipHistory()) |
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438 return data |
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439 |
| 1055 | 440 def MessageReceivedTrigger(self, message, post_treat, profile): |
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441 if profile in self.skipped_profiles: |
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442 post_treat.addCallback(self._receivedTreatmentForSkippedProfiles, profile) |
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443 else: |
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444 post_treat.addCallback(self._receivedTreatment, profile) |
| 1055 | 445 return True |
| 446 | |
| 447 def sendMessageTrigger(self, mess_data, pre_xml_treatments, post_xml_treatments, profile): | |
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448 if profile in self.skipped_profiles: |
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449 return True |
| 1055 | 450 to_jid = mess_data['to'] |
| 451 if mess_data['type'] != 'groupchat' and not to_jid.resource: | |
| 452 to_jid.resource = self.host.memory.getLastResource(to_jid, profile) # FIXME: it's dirty, but frontends don't manage resources correctly now, refactoring is planed | |
| 453 otrctx = self.context_managers[profile].getContextForUser(to_jid) | |
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454 if mess_data['type'] != 'groupchat' and otrctx.state != potr.context.STATE_PLAINTEXT: |
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455 if otrctx.state == potr.context.STATE_ENCRYPTED: |
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456 log.debug(u"encrypting message") |
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457 otrctx.sendMessage(0, mess_data['message'].encode('utf-8')) |
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458 client = self.host.getClient(profile) |
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459 self.host.sendMessageToBridge(mess_data, client) |
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460 else: |
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461 feedback = D_("Your message was not sent because your correspondent closed the encrypted conversation on his/her side. Either close your own side, or refresh the session.") |
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462 client = self.host.getClient(profile) |
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463 self.host.bridge.newMessage(to_jid.full(), |
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464 feedback, |
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465 mess_type=C.MESS_TYPE_INFO, |
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466 to_jid=client.jid.full(), |
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467 extra={}, |
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468 profile=client.profile) |
| 1055 | 469 return False |
| 470 else: | |
| 1095 | 471 log.debug(u"sending message unencrypted") |
| 1055 | 472 return True |
| 473 | |
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474 def presenceReceivedTrigger(self, entity, show, priority, statuses, profile): |
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475 if show != "unavailable": |
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476 return |
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477 if not entity.resource: |
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478 entity.resource = self.host.memory.getLastResource(entity, profile) # FIXME: temporary and unsecure, must be changed when frontends are refactored |
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479 otrctx = self.context_managers[profile].getContextForUser(entity) |
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480 otrctx.disconnect() |
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481 return True |