annotate src/plugins/plugin_misc_ip.py @ 2503:c0bec8bac2b5

XEP-0329: implementation of File Information Sharing: the plugin do an implementation for client and component. For client, any directory from local file can be shared. For component file are stored using new file handling mechanism from SàT. Permission is handled, using "public" and "whitelist" for now.
author Goffi <goffi@goffi.org>
date Wed, 28 Feb 2018 18:28:39 +0100
parents e2a7bb875957
children 67cc54b01a12
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1934
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1 #!/usr/bin/env python2
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2 # -*- coding: utf-8 -*-
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3
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4 # SAT plugin for IP address discovery
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5 # Copyright (C) 2009-2018 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 _, 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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23 log = getLogger(__name__)
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24 from sat.tools import xml_tools
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25 from twisted.web import client as webclient
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26 from twisted.web import error as web_error
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27 from twisted.internet import defer
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28 from twisted.internet import reactor
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29 from twisted.internet import protocol
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30 from twisted.internet import endpoints
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31 from twisted.internet import error as internet_error
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32 from zope.interface import implements
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33 from wokkel import disco, iwokkel
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34 from twisted.words.protocols.jabber.xmlstream import XMPPHandler
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35 from twisted.words.protocols.jabber.error import StanzaError
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36 import urlparse
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37 try:
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38 import netifaces
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39 except ImportError:
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40 log.warning(u"netifaces is not available, it help discovering IPs, you can install it on https://pypi.python.org/pypi/netifaces")
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41 netifaces = None
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42
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43
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44 PLUGIN_INFO = {
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45 C.PI_NAME: "IP discovery",
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46 C.PI_IMPORT_NAME: "IP",
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47 C.PI_TYPE: C.PLUG_TYPE_MISC,
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48 C.PI_PROTOCOLS: ["XEP-0279"],
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49 C.PI_RECOMMENDATIONS: ["NAT-PORT"],
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50 C.PI_MAIN: "IPPlugin",
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51 C.PI_HANDLER: "yes",
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52 C.PI_DESCRIPTION: _("""This plugin help to discover our external IP address.""")
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53 }
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54
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55 # TODO: GET_IP_PAGE should be configurable in sat.conf
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56 GET_IP_PAGE = "http://salut-a-toi.org/whereami/" # This page must only return external IP of the requester
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57 GET_IP_LABEL = D_(u"Allow external get IP")
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58 GET_IP_CATEGORY = "General"
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59 GET_IP_NAME = "allow_get_ip"
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60 GET_IP_CONFIRM_TITLE = D_(u"Confirm external site request")
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61 GET_IP_CONFIRM = D_(u"""To facilitate data transfer, we need to contact a website.
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62 A request will be done on {page}
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63 That means that administrators of {domain} can know that you use "{app_name}" and your IP Address.
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64
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65 IP address is an identifier to locate you on Internet (similar to a phone number).
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66
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67 Do you agree to do this request ?
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68 """).format(
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69 page = GET_IP_PAGE,
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70 domain = urlparse.urlparse(GET_IP_PAGE).netloc,
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71 app_name = C.APP_NAME)
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72 NS_IP_CHECK = "urn:xmpp:sic:1"
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73
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74 PARAMS = """
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75 <params>
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76 <general>
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77 <category name="{category}">
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78 <param name="{name}" label="{label}" type="bool" />
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79 </category>
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80 </general>
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81 </params>
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82 """.format(category=GET_IP_CATEGORY, name=GET_IP_NAME, label=GET_IP_LABEL)
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83
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84
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85 class IPPlugin(object):
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86 # TODO: refresh IP if a new connection is detected
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87 # TODO: manage IPv6 when implemented in SàT
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88
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89 def __init__(self, host):
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90 log.info(_("plugin IP discovery initialization"))
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91 self.host = host
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92 host.memory.updateParams(PARAMS)
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93
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94 # NAT-Port
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95 try:
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96 self._nat = host.plugins['NAT-PORT']
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97 except KeyError:
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98 log.debug(u"NAT port plugin not available")
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99 self._nat = None
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100
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101 # XXX: cache is kept until SàT is restarted
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102 # if IP may have changed, use self.refreshIP
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103 self._external_ip_cache = None
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104 self._local_ip_cache = None
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105
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106 def getHandler(self, client):
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107 return IPPlugin_handler()
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108
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109 def refreshIP(self):
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110 # FIXME: use a trigger instead ?
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111 self._external_ip_cache = None
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112 self._local_ip_cache = None
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113
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114 def _externalAllowed(self, client):
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115 """Return value of parameter with autorisation of user to do external requests
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116
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117 if parameter is not set, a dialog is shown to use to get its confirmation, and parameted is set according to answer
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118 @return (defer.Deferred[bool]): True if external request is autorised
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119 """
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120 allow_get_ip = self.host.memory.params.getParamA(GET_IP_NAME, GET_IP_CATEGORY, use_default=False)
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121
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122 if allow_get_ip is None:
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123 # we don't have autorisation from user yet to use get_ip, we ask him
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124 def setParam(allowed):
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125 # FIXME: we need to use boolConst as setParam only manage str/unicode
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126 # need to be fixed when params will be refactored
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127 self.host.memory.setParam(GET_IP_NAME, C.boolConst(allowed), GET_IP_CATEGORY)
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128 return allowed
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129 d = xml_tools.deferConfirm(self.host, _(GET_IP_CONFIRM), _(GET_IP_CONFIRM_TITLE), profile=client.profile)
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diff changeset
130 d.addCallback(setParam)
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Goffi <goffi@goffi.org>
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diff changeset
131 return d
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parents: 1534
diff changeset
132
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Goffi <goffi@goffi.org>
parents: 1534
diff changeset
133 return defer.succeed(allow_get_ip)
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Goffi <goffi@goffi.org>
parents: 1534
diff changeset
134
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
135 def _filterAddresse(self, ip_addr):
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Goffi <goffi@goffi.org>
parents: 1534
diff changeset
136 """Filter acceptable addresses
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Goffi <goffi@goffi.org>
parents: 1534
diff changeset
137
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
138 For now, just remove IPv4 local addresses
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
139 @param ip_addr(str): IP addresse
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
140 @return (bool): True if addresse is acceptable
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
141 """
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
142 return not ip_addr.startswith('127.')
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
143
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
144 def _insertFirst(self, addresses, ip_addr):
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
145 """Insert ip_addr as first item in addresses
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
146
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
147 @param ip_addr(str): IP addresse
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
148 @param addresses(list): list of IP addresses
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
149 """
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
150 if ip_addr in addresses:
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
151 if addresses[0] != ip_addr:
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
152 addresses.remove(ip_addr)
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
153 addresses.insert(0, ip_addr)
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
154 else:
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
155 addresses.insert(0, ip_addr)
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
156
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
157 def _getIPFromExternal(self, ext_url):
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Goffi <goffi@goffi.org>
parents: 1534
diff changeset
158 """Get local IP by doing a connection on an external url
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Goffi <goffi@goffi.org>
parents: 1534
diff changeset
159
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
160 @param ext_utl(str): url to connect to
1555
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Goffi <goffi@goffi.org>
parents: 1537
diff changeset
161 @return (D(str)): return local IP
1537
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
162 """
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
163 url = urlparse.urlparse(ext_url)
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
164 port = url.port
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Goffi <goffi@goffi.org>
parents: 1534
diff changeset
165 if port is None:
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
166 if url.scheme=='http':
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
167 port = 80
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
168 elif url.scheme=='https':
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
169 port = 443
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Goffi <goffi@goffi.org>
parents: 1534
diff changeset
170 else:
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
171 log.error(u"Unknown url scheme: {}".format(url.scheme))
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Goffi <goffi@goffi.org>
parents: 1534
diff changeset
172 defer.returnValue(None)
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
173 if url.hostname is None:
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
174 log.error(u"Can't find url hostname for {}".format(GET_IP_PAGE))
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Goffi <goffi@goffi.org>
parents: 1534
diff changeset
175
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Goffi <goffi@goffi.org>
parents: 1534
diff changeset
176 point = endpoints.TCP4ClientEndpoint(reactor, url.hostname, port)
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
177 def gotConnection(p):
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
178 local_ip = p.transport.getHost().host
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
179 p.transport.loseConnection()
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
180 return local_ip
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Goffi <goffi@goffi.org>
parents: 1534
diff changeset
181
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
182 d = endpoints.connectProtocol(point, protocol.Protocol())
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
183 d.addCallback(gotConnection)
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
184 return d
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
185
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
186 @defer.inlineCallbacks
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e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents: 2483
diff changeset
187 def getLocalIPs(self, client):
1537
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
188 """Try do discover local area network IPs
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
189
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
190 @return (deferred): list of lan IP addresses
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
191 if there are several addresses, the one used with the server is put first
1576
d5f59ba166fe plugins IP: getLocalIPs now return localhost IP instead of an empty list if no non-localhost ip can be found
Goffi <goffi@goffi.org>
parents: 1566
diff changeset
192 if no address is found, localhost IP will be in the list
1537
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
193 """
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
194 # TODO: manage permission requesting (e.g. for UMTS link)
1555
eb8aae35085b plugin ip: local ip cache + DNS error detection
Goffi <goffi@goffi.org>
parents: 1537
diff changeset
195 if self._local_ip_cache is not None:
eb8aae35085b plugin ip: local ip cache + DNS error detection
Goffi <goffi@goffi.org>
parents: 1537
diff changeset
196 defer.returnValue(self._local_ip_cache)
1537
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
197 addresses = []
1576
d5f59ba166fe plugins IP: getLocalIPs now return localhost IP instead of an empty list if no non-localhost ip can be found
Goffi <goffi@goffi.org>
parents: 1566
diff changeset
198 localhost = ['127.0.0.1']
1537
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
199
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
200 # we first try our luck with netifaces
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
201 if netifaces is not None:
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
202 addresses = []
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
203 for interface in netifaces.interfaces():
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
204 if_addresses = netifaces.ifaddresses(interface)
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
205 try:
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
206 inet_list = if_addresses[netifaces.AF_INET]
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
207 except KeyError:
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
208 continue
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
209 for data in inet_list:
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
210 addresse = data['addr']
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
211 if self._filterAddresse(addresse):
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
212 addresses.append(addresse)
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
213
1576
d5f59ba166fe plugins IP: getLocalIPs now return localhost IP instead of an empty list if no non-localhost ip can be found
Goffi <goffi@goffi.org>
parents: 1566
diff changeset
214 # then we use our connection to server
1537
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
215 ip = client.xmlstream.transport.getHost().host
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
216 if self._filterAddresse(ip):
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
217 self._insertFirst(addresses, ip)
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
218 defer.returnValue(addresses)
1534
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
219
1576
d5f59ba166fe plugins IP: getLocalIPs now return localhost IP instead of an empty list if no non-localhost ip can be found
Goffi <goffi@goffi.org>
parents: 1566
diff changeset
220 # if server is local, we try with NAT-Port
1537
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
221 if self._nat is not None:
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
222 nat_ip = yield self._nat.getIP(local=True)
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
223 if nat_ip is not None:
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
224 self._insertFirst(addresses, nat_ip)
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
225 defer.returnValue(addresses)
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
226
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
227 if addresses:
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
228 defer.returnValue(addresses)
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
229
1576
d5f59ba166fe plugins IP: getLocalIPs now return localhost IP instead of an empty list if no non-localhost ip can be found
Goffi <goffi@goffi.org>
parents: 1566
diff changeset
230 # still not luck, we need to contact external website
2489
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents: 2483
diff changeset
231 allow_get_ip = yield self._externalAllowed(client)
1537
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
232
1576
d5f59ba166fe plugins IP: getLocalIPs now return localhost IP instead of an empty list if no non-localhost ip can be found
Goffi <goffi@goffi.org>
parents: 1566
diff changeset
233 if not allow_get_ip:
d5f59ba166fe plugins IP: getLocalIPs now return localhost IP instead of an empty list if no non-localhost ip can be found
Goffi <goffi@goffi.org>
parents: 1566
diff changeset
234 defer.returnValue(addresses or localhost)
1537
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
235
1555
eb8aae35085b plugin ip: local ip cache + DNS error detection
Goffi <goffi@goffi.org>
parents: 1537
diff changeset
236 try:
eb8aae35085b plugin ip: local ip cache + DNS error detection
Goffi <goffi@goffi.org>
parents: 1537
diff changeset
237 ip_tuple = yield self._getIPFromExternal(GET_IP_PAGE)
1566
ec3848916ee8 plugin ip: implemented XEP-0279 for external ip retrieval + fixed bad exception handling
Goffi <goffi@goffi.org>
parents: 1555
diff changeset
238 except (internet_error.DNSLookupError, internet_error.TimeoutError):
1555
eb8aae35085b plugin ip: local ip cache + DNS error detection
Goffi <goffi@goffi.org>
parents: 1537
diff changeset
239 log.warning(u"Can't access Domain Name System")
1576
d5f59ba166fe plugins IP: getLocalIPs now return localhost IP instead of an empty list if no non-localhost ip can be found
Goffi <goffi@goffi.org>
parents: 1566
diff changeset
240 defer.returnValue(addresses or localhost)
1537
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
241 self._insertFirst(addresses, ip_tuple.local)
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
242 defer.returnValue(addresses)
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
243
6fa9e8c02c34 plugin IP discovery: better IP discovering:
Goffi <goffi@goffi.org>
parents: 1534
diff changeset
244 @defer.inlineCallbacks
2489
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents: 2483
diff changeset
245 def getExternalIP(self, client):
1534
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
246 """Try to discover external IP
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
247
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
248 @return (deferred): external IP address or None if it can't be discovered
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Goffi <goffi@goffi.org>
parents:
diff changeset
249 """
1555
eb8aae35085b plugin ip: local ip cache + DNS error detection
Goffi <goffi@goffi.org>
parents: 1537
diff changeset
250 if self._external_ip_cache is not None:
eb8aae35085b plugin ip: local ip cache + DNS error detection
Goffi <goffi@goffi.org>
parents: 1537
diff changeset
251 defer.returnValue(self._external_ip_cache)
1534
a5e0393a06cd plugin ip, params: plugin IP discovery, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
252
2148
a543eda2c923 core (memory/disco): getInfos now handle node + use client instead of profile in many methods
Goffi <goffi@goffi.org>
parents: 2145
diff changeset
253
1566
ec3848916ee8 plugin ip: implemented XEP-0279 for external ip retrieval + fixed bad exception handling
Goffi <goffi@goffi.org>
parents: 1555
diff changeset
254 # we first try with XEP-0279
2148
a543eda2c923 core (memory/disco): getInfos now handle node + use client instead of profile in many methods
Goffi <goffi@goffi.org>
parents: 2145
diff changeset
255 ip_check = yield self.host.hasFeature(client, NS_IP_CHECK)
1668
a9e86f660653 plugin ip: fixed ip check (XEP-0279) use
Goffi <goffi@goffi.org>
parents: 1576
diff changeset
256 if ip_check:
1566
ec3848916ee8 plugin ip: implemented XEP-0279 for external ip retrieval + fixed bad exception handling
Goffi <goffi@goffi.org>
parents: 1555
diff changeset
257 log.debug(u"Server IP Check available, we use it to retrieve our IP")
ec3848916ee8 plugin ip: implemented XEP-0279 for external ip retrieval + fixed bad exception handling
Goffi <goffi@goffi.org>
parents: 1555
diff changeset
258 iq_elt = client.IQ("get")
ec3848916ee8 plugin ip: implemented XEP-0279 for external ip retrieval + fixed bad exception handling
Goffi <goffi@goffi.org>
parents: 1555
diff changeset
259 iq_elt.addElement((NS_IP_CHECK, 'address'))
ec3848916ee8 plugin ip: implemented XEP-0279 for external ip retrieval + fixed bad exception handling
Goffi <goffi@goffi.org>
parents: 1555
diff changeset
260 try:
1668
a9e86f660653 plugin ip: fixed ip check (XEP-0279) use
Goffi <goffi@goffi.org>
parents: 1576
diff changeset
261 result_elt = yield iq_elt.send()
1566
ec3848916ee8 plugin ip: implemented XEP-0279 for external ip retrieval + fixed bad exception handling
Goffi <goffi@goffi.org>
parents: 1555
diff changeset
262 address_elt = result_elt.elements(NS_IP_CHECK, 'address').next()
ec3848916ee8 plugin ip: implemented XEP-0279 for external ip retrieval + fixed bad exception handling
Goffi <goffi@goffi.org>
parents: 1555
diff changeset
263 ip_elt = address_elt.elements(NS_IP_CHECK,'ip').next()
ec3848916ee8 plugin ip: implemented XEP-0279 for external ip retrieval + fixed bad exception handling
Goffi <goffi@goffi.org>
parents: 1555
diff changeset
264 except StopIteration:
ec3848916ee8 plugin ip: implemented XEP-0279 for external ip retrieval + fixed bad exception handling
Goffi <goffi@goffi.org>
parents: 1555
diff changeset
265 log.warning(u"Server returned invalid result on XEP-0279 request, we ignore it")
1668
a9e86f660653 plugin ip: fixed ip check (XEP-0279) use
Goffi <goffi@goffi.org>
parents: 1576
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266 except StanzaError as e:
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Goffi <goffi@goffi.org>
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267 log.warning(u"error while requesting ip to server: {}".format(e))
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268 else:
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269 # FIXME: server IP may not be the same as external IP (server can be on local machine or network)
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270 # IP should be checked to see if we have a local one, and rejected in this case
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Goffi <goffi@goffi.org>
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271 external_ip = str(ip_elt)
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272 log.debug(u"External IP found: {}".format(external_ip))
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273 self._external_ip_cache = external_ip
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274 defer.returnValue(self._external_ip_cache)
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275
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Goffi <goffi@goffi.org>
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276 # then with NAT-Port
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Goffi <goffi@goffi.org>
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277 if self._nat is not None:
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Goffi <goffi@goffi.org>
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278 nat_ip = yield self._nat.getIP()
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Goffi <goffi@goffi.org>
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279 if nat_ip is not None:
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280 self._external_ip_cache = nat_ip
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281 defer.returnValue(nat_ip)
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parents:
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282
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283 # and finally by requesting external website
2489
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284 allow_get_ip = yield self._externalAllowed(client)
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Goffi <goffi@goffi.org>
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285 try:
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Goffi <goffi@goffi.org>
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286 ip = (yield webclient.getPage(GET_IP_PAGE)) if allow_get_ip else None
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287 except (internet_error.DNSLookupError, internet_error.TimeoutError):
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Goffi <goffi@goffi.org>
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288 log.warning(u"Can't access Domain Name System")
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Goffi <goffi@goffi.org>
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289 ip = None
1953
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Goffi <goffi@goffi.org>
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290 except web_error.Error as e:
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parents: 1934
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291 log.warning(u"Error while retrieving IP on {url}: {message}".format(url=GET_IP_PAGE, message=e))
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Goffi <goffi@goffi.org>
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292 ip = None
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Goffi <goffi@goffi.org>
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293 else:
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Goffi <goffi@goffi.org>
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294 self._external_ip_cache = ip
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295 defer.returnValue(ip)
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296
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297
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298 class IPPlugin_handler(XMPPHandler):
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299 implements(iwokkel.IDisco)
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300
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Goffi <goffi@goffi.org>
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301 def getDiscoInfo(self, requestor, target, nodeIdentifier=''):
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302 return [disco.DiscoFeature(NS_IP_CHECK)]
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Goffi <goffi@goffi.org>
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303
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Goffi <goffi@goffi.org>
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diff changeset
304 def getDiscoItems(self, requestor, target, nodeIdentifier=''):
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parents: 1555
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305 return []