Mercurial > libervia-backend
annotate src/plugins/plugin_xep_0065.py @ 1727:68e498b3367e
reverted revision 2ebe66a96d05
author | souliane <souliane@mailoo.org> |
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date | Tue, 08 Dec 2015 16:55:54 +0100 |
parents | fd143578fe89 |
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0 | 1 #!/usr/bin/python |
2 #-*- coding: utf-8 -*- | |
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3 |
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4 # SAT plugin for managing xep-0065 |
0 | 5 |
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6 # Copyright (C) |
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7 # 2002, 2003, 2004 Dave Smith (dizzyd@jabber.org) |
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8 # 2007, 2008 Fabio Forno (xmpp:ff@jabber.bluendo.com) |
1396 | 9 # 2009, 2010, 2011, 2012, 2013, 2014, 2015 Jérôme Poisson (goffi@goffi.org) |
0 | 10 |
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11 # This program is free software: you can redistribute it and/or modify |
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12 # it under the terms of the GNU Affero General Public License as published by |
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13 # the Free Software Foundation, either version 3 of the License, or |
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14 # (at your option) any later version. |
0 | 15 |
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16 # This program is distributed in the hope that it will be useful, |
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17 # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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18 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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19 # GNU Affero General Public License for more details. |
0 | 20 |
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21 # You should have received a copy of the GNU Affero General Public License |
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22 # along with this program. If not, see <http://www.gnu.org/licenses/>. |
0 | 23 |
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24 # -- |
0 | 25 |
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26 # This module is based on proxy65 (http://code.google.com/p/proxy65), |
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27 # originaly written by David Smith and modified by Fabio Forno. |
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28 # It is sublicensed under AGPL v3 (or any later version) as allowed by the original |
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29 # license. |
0 | 30 |
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31 # -- |
0 | 32 |
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33 # Here is a copy of the original license: |
0 | 34 |
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35 # Copyright (C) |
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36 # 2002-2004 Dave Smith (dizzyd@jabber.org) |
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37 # 2007-2008 Fabio Forno (xmpp:ff@jabber.bluendo.com) |
0 | 38 |
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39 # Permission is hereby granted, free of charge, to any person obtaining a copy |
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40 # of this software and associated documentation files (the "Software"), to deal |
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41 # in the Software without restriction, including without limitation the rights |
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42 # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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43 # copies of the Software, and to permit persons to whom the Software is |
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44 # furnished to do so, subject to the following conditions: |
0 | 45 |
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46 # The above copyright notice and this permission notice shall be included in |
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47 # all copies or substantial portions of the Software. |
0 | 48 |
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49 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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50 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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51 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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52 # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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53 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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54 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
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55 # THE SOFTWARE. |
0 | 56 |
771 | 57 from sat.core.i18n import _ |
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58 from sat.core.log import getLogger |
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59 log = getLogger(__name__) |
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60 from sat.core.constants import Const as C |
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61 from sat.core import exceptions |
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62 from sat.tools import sat_defer |
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63 from twisted.internet import protocol |
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64 from twisted.internet import reactor |
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65 from twisted.internet import error as internet_error |
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66 from twisted.words.protocols.jabber import error as jabber_error |
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67 from twisted.words.protocols.jabber import jid |
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68 from twisted.words.protocols.jabber import xmlstream |
0 | 69 from twisted.protocols.basic import FileSender |
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70 from twisted.internet import defer |
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71 from collections import namedtuple |
0 | 72 import struct |
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73 import hashlib |
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74 import uuid |
0 | 75 |
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76 from zope.interface import implements |
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77 |
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78 try: |
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79 from twisted.words.protocols.xmlstream import XMPPHandler |
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80 except ImportError: |
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81 from wokkel.subprotocols import XMPPHandler |
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82 |
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83 from wokkel import disco, iwokkel |
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84 |
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86 PLUGIN_INFO = { | |
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87 "name": "XEP 0065 Plugin", |
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88 "import_name": "XEP-0065", |
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89 "type": "XEP", |
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90 "protocols": ["XEP-0065"], |
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91 "dependencies": ["IP"], |
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92 "recommendations": ["NAT-PORT"], |
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93 "main": "XEP_0065", |
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94 "handler": "yes", |
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95 "description": _("""Implementation of SOCKS5 Bytestreams""") |
0 | 96 } |
97 | |
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98 IQ_SET = '/iq[@type="set"]' |
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99 NS_BS = 'http://jabber.org/protocol/bytestreams' |
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100 BS_REQUEST = IQ_SET + '/query[@xmlns="' + NS_BS + '"]' |
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101 TIMER_KEY = 'timer' |
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102 DEFER_KEY = 'finished' # key of the deferred used to track session end |
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103 SERVER_STARTING_PORT = 0 # starting number for server port search (0 to ask automatic attribution) |
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104 |
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105 # priorities are candidates local priorities, must be a int between 0 and 65535 |
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106 PRIORITY_BEST_DIRECT = 10000 |
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107 PRIORITY_DIRECT = 5000 |
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108 PRIORITY_ASSISTED = 1000 |
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109 PRIORITY_PROXY = 0.2 # proxy is the last option for s5b |
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110 CANDIDATE_DELAY = 0.2 # see XEP-0260 §4 |
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111 CANDIDATE_DELAY_PROXY = 0.2 # additional time for proxy types (see XEP-0260 §4 note 3) |
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112 |
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113 TIMEOUT = 300 # maxium time between session creation and stream start |
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114 |
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115 # XXX: by default eveything is automatic |
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116 # TODO: use these params to force use of specific proxy/port/IP |
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117 # PARAMS = """ |
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118 # <params> |
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119 # <general> |
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120 # <category name="File Transfer"> |
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121 # <param name="Force IP" type="string" /> |
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122 # <param name="Force Port" type="int" constraint="1;65535" /> |
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123 # </category> |
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124 # </general> |
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125 # <individual> |
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126 # <category name="File Transfer"> |
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127 # <param name="Force Proxy" value="" type="string" /> |
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128 # <param name="Force Proxy host" value="" type="string" /> |
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129 # <param name="Force Proxy port" value="" type="int" constraint="1;65535" /> |
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130 # </category> |
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131 # </individual> |
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132 # </params> |
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133 # """ |
0 | 134 |
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135 (STATE_INITIAL, |
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136 STATE_AUTH, |
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137 STATE_REQUEST, |
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138 STATE_READY, |
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139 STATE_AUTH_USERPASS, |
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140 STATE_CLIENT_INITIAL, |
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141 STATE_CLIENT_AUTH, |
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142 STATE_CLIENT_REQUEST, |
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143 ) = xrange(8) |
0 | 144 |
145 SOCKS5_VER = 0x05 | |
146 | |
147 ADDR_IPV4 = 0x01 | |
148 ADDR_DOMAINNAME = 0x03 | |
149 ADDR_IPV6 = 0x04 | |
150 | |
151 CMD_CONNECT = 0x01 | |
152 CMD_BIND = 0x02 | |
153 CMD_UDPASSOC = 0x03 | |
154 | |
155 AUTHMECH_ANON = 0x00 | |
156 AUTHMECH_USERPASS = 0x02 | |
157 AUTHMECH_INVALID = 0xFF | |
158 | |
159 REPLY_SUCCESS = 0x00 | |
160 REPLY_GENERAL_FAILUR = 0x01 | |
161 REPLY_CONN_NOT_ALLOWED = 0x02 | |
162 REPLY_NETWORK_UNREACHABLE = 0x03 | |
163 REPLY_HOST_UNREACHABLE = 0x04 | |
164 REPLY_CONN_REFUSED = 0x05 | |
165 REPLY_TTL_EXPIRED = 0x06 | |
166 REPLY_CMD_NOT_SUPPORTED = 0x07 | |
167 REPLY_ADDR_NOT_SUPPORTED = 0x08 | |
168 | |
169 | |
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170 ProxyInfos = namedtuple("ProxyInfos", ['host', 'jid', 'port']) |
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171 |
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172 |
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173 class Candidate(object): |
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174 |
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175 def __init__(self, host, port, type_, priority, jid_, id_=None, priority_local=False, factory=None): |
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176 """ |
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177 @param host(unicode): host IP or domain |
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178 @param port(int): port |
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179 @param type_(unicode): stream type (one of XEP_0065.TYPE_*) |
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180 @param priority(int): priority |
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181 @param jid_(jid.JID): jid |
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182 @param id_(None, id_): Candidate ID, or None to generate |
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183 @param priority_local(bool): if True, priority is used as local priority, |
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184 else priority is used as global one (and local priority is set to 0) |
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185 """ |
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186 assert isinstance(jid_, jid.JID) |
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187 self.host, self.port, self.type, self.jid = ( |
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188 host, int(port), type_, jid_) |
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189 self.id = id_ if id_ is not None else unicode(uuid.uuid4()) |
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190 if priority_local: |
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191 self._local_priority = int(priority) |
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192 self._priority = self.calculatePriority() |
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193 else: |
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194 self._local_priority = 0 |
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195 self._priority = int(priority) |
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196 self.factory = factory |
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197 |
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198 def discard(self): |
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199 """Disconnect a candidate if it is connected |
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200 |
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201 Used to disconnect tryed client when they are discarded |
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202 """ |
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203 log.debug(u"Discarding {}".format(self)) |
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204 try: |
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205 self.factory.discard() |
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206 except AttributeError: |
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207 pass # no discard for Socks5ServerFactory |
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208 |
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209 @property |
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210 def local_priority(self): |
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211 return self._local_priority |
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212 |
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213 @property |
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214 def priority(self): |
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215 return self._priority |
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216 |
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217 def __str__(self): |
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218 # similar to __unicode__ but we don't show jid and we encode id |
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219 return "Candidate ({0.priority}): host={0.host} port={0.port} type={0.type}{id}".format( |
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220 self, |
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221 id=u" id={}".format(self.id if self.id is not None else u'').encode('utf-8', 'ignore'), |
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222 ) |
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223 |
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224 def __unicode__(self): |
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225 return u"Candidate ({0.priority}): host={0.host} port={0.port} jid={0.jid} type={0.type}{id}".format( |
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226 self, |
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227 id=u" id={}".format(self.id if self.id is not None else u''), |
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228 ) |
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229 |
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230 def __eq__(self, other): |
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231 # self.id is is not used in __eq__ as the same candidate can have |
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232 # different ids if proposed by initiator or responder |
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233 try: |
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234 return (self.host == other.host and |
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235 self.port == other.port and |
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236 self.jid == other.jid) |
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237 except (AttributeError, TypeError): |
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238 return False |
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239 |
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240 def __ne__(self, other): |
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241 return not self.__eq__(other) |
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242 |
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243 def calculatePriority(self): |
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244 """Calculate candidate priority according to XEP-0260 §2.2 |
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245 |
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246 |
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247 @return (int): priority |
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248 """ |
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249 if self.type == XEP_0065.TYPE_DIRECT: |
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250 multiplier = 126 |
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251 elif self.type == XEP_0065.TYPE_ASSISTED: |
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252 multiplier = 120 |
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253 elif self.type == XEP_0065.TYPE_TUNEL: |
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254 multiplier = 110 |
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255 elif self.type == XEP_0065.TYPE_PROXY: |
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256 multiplier = 10 |
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257 else: |
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258 raise exceptions.InternalError(u"Unknown {} type !".format(self.type)) |
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259 return 2**16 * multiplier + self._local_priority |
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260 |
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261 def activate(self, sid, peer_jid, client): |
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262 """Activate the proxy candidate |
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263 |
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264 Send activation request as explained in XEP-0065 § 6.3.5 |
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265 Must only be used with proxy candidates |
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266 @param sid(unicode): session id (same as for getSessionHash) |
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267 @param peer_jid(jid.JID): jid of the other peer |
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268 @return (D(domish.Element)): IQ result (or error) |
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269 """ |
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270 assert self.type == XEP_0065.TYPE_PROXY |
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271 iq_elt = client.IQ() |
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272 iq_elt['to'] = self.jid.full() |
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273 query_elt = iq_elt.addElement((NS_BS, 'query')) |
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274 query_elt['sid'] = sid |
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275 query_elt.addElement('activate', content=peer_jid.full()) |
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276 return iq_elt.send() |
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277 |
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278 def startTransfer(self, session_hash=None): |
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279 if self.type == XEP_0065.TYPE_PROXY: |
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280 chunk_size = 4096 # Prosody's proxy reject bigger chunks by default |
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281 else: |
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282 chunk_size = None |
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283 self.factory.startTransfer(session_hash, chunk_size=chunk_size) |
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284 |
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285 |
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286 def getSessionHash(from_jid, to_jid, sid): |
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287 """Calculate SHA1 Hash according to XEP-0065 §5.3.2 |
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288 |
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289 @param from_jid(jid.JID): jid of the requester |
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290 @param to_jid(jid.JID): jid of the target |
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291 @param sid(unicode): session id |
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292 @return (str): hash |
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293 """ |
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294 return hashlib.sha1((sid + from_jid.full() + to_jid.full()).encode('utf-8')).hexdigest() |
0 | 295 |
296 | |
297 class SOCKSv5(protocol.Protocol, FileSender): | |
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298 CHUNK_SIZE = 2**16 |
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299 |
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300 def __init__(self, session_hash=None): |
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301 """ |
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302 @param session_hash(str): hash of the session |
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303 must only be used in client mode |
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304 """ |
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305 self.connection = defer.Deferred() # called when connection/auth is done |
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306 if session_hash is not None: |
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307 self.server_mode = False |
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308 self._session_hash = session_hash |
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309 self.state = STATE_CLIENT_INITIAL |
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310 else: |
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311 self.server_mode = True |
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312 self.state = STATE_INITIAL |
0 | 313 self.buf = "" |
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314 self.supportedAuthMechs = [AUTHMECH_ANON] |
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315 self.supportedAddrs = [ADDR_DOMAINNAME] |
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316 self.enabledCommands = [CMD_CONNECT] |
0 | 317 self.peersock = None |
318 self.addressType = 0 | |
319 self.requestType = 0 | |
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320 self._file_obj = None |
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321 |
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322 @property |
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323 def file_obj(self): |
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324 if self._file_obj is None: |
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325 if self.server_mode: |
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326 self._file_obj = self.factory.getSession(self._session_hash)["file"] |
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327 else: |
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328 self._file_obj = self.factory.getSession()['file'] |
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329 return self._file_obj |
0 | 330 |
331 def _startNegotiation(self): | |
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332 log.debug("starting negotiation (client mode)") |
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333 self.state = STATE_CLIENT_AUTH |
0 | 334 self.transport.write(struct.pack('!3B', SOCKS5_VER, 1, AUTHMECH_ANON)) |
335 | |
336 def _parseNegotiation(self): | |
337 try: | |
338 # Parse out data | |
339 ver, nmethod = struct.unpack('!BB', self.buf[:2]) | |
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340 methods = struct.unpack('%dB' % nmethod, self.buf[2:nmethod + 2]) |
0 | 341 |
342 # Ensure version is correct | |
343 if ver != 5: | |
344 self.transport.write(struct.pack('!BB', SOCKS5_VER, AUTHMECH_INVALID)) | |
345 self.transport.loseConnection() | |
346 return | |
347 | |
348 # Trim off front of the buffer | |
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349 self.buf = self.buf[nmethod + 2:] |
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350 |
0 | 351 # Check for supported auth mechs |
352 for m in self.supportedAuthMechs: | |
353 if m in methods: | |
354 # Update internal state, according to selected method | |
355 if m == AUTHMECH_ANON: | |
356 self.state = STATE_REQUEST | |
357 elif m == AUTHMECH_USERPASS: | |
358 self.state = STATE_AUTH_USERPASS | |
359 # Complete negotiation w/ this method | |
360 self.transport.write(struct.pack('!BB', SOCKS5_VER, m)) | |
361 return | |
362 | |
363 # No supported mechs found, notify client and close the connection | |
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364 log.warning(u"Unsupported authentication mechanism") |
0 | 365 self.transport.write(struct.pack('!BB', SOCKS5_VER, AUTHMECH_INVALID)) |
366 self.transport.loseConnection() | |
367 except struct.error: | |
368 pass | |
369 | |
370 def _parseUserPass(self): | |
371 try: | |
372 # Parse out data | |
373 ver, ulen = struct.unpack('BB', self.buf[:2]) | |
374 uname, = struct.unpack('%ds' % ulen, self.buf[2:ulen + 2]) | |
375 plen, = struct.unpack('B', self.buf[ulen + 2]) | |
376 password, = struct.unpack('%ds' % plen, self.buf[ulen + 3:ulen + 3 + plen]) | |
377 # Trim off fron of the buffer | |
378 self.buf = self.buf[3 + ulen + plen:] | |
379 # Fire event to authenticate user | |
380 if self.authenticateUserPass(uname, password): | |
381 # Signal success | |
382 self.state = STATE_REQUEST | |
383 self.transport.write(struct.pack('!BB', SOCKS5_VER, 0x00)) | |
384 else: | |
385 # Signal failure | |
386 self.transport.write(struct.pack('!BB', SOCKS5_VER, 0x01)) | |
387 self.transport.loseConnection() | |
388 except struct.error: | |
389 pass | |
390 | |
391 def sendErrorReply(self, errorcode): | |
392 # Any other address types are not supported | |
393 result = struct.pack('!BBBBIH', SOCKS5_VER, errorcode, 0, 1, 0, 0) | |
394 self.transport.write(result) | |
395 self.transport.loseConnection() | |
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396 |
0 | 397 def _parseRequest(self): |
398 try: | |
399 # Parse out data and trim buffer accordingly | |
400 ver, cmd, rsvd, self.addressType = struct.unpack('!BBBB', self.buf[:4]) | |
401 | |
402 # Ensure we actually support the requested address type | |
403 if self.addressType not in self.supportedAddrs: | |
404 self.sendErrorReply(REPLY_ADDR_NOT_SUPPORTED) | |
405 return | |
406 | |
407 # Deal with addresses | |
408 if self.addressType == ADDR_IPV4: | |
409 addr, port = struct.unpack('!IH', self.buf[4:10]) | |
410 self.buf = self.buf[10:] | |
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411 elif self.addressType == ADDR_DOMAINNAME: |
0 | 412 nlen = ord(self.buf[4]) |
413 addr, port = struct.unpack('!%dsH' % nlen, self.buf[5:]) | |
414 self.buf = self.buf[7 + len(addr):] | |
415 else: | |
416 # Any other address types are not supported | |
417 self.sendErrorReply(REPLY_ADDR_NOT_SUPPORTED) | |
418 return | |
419 | |
420 # Ensure command is supported | |
421 if cmd not in self.enabledCommands: | |
422 # Send a not supported error | |
423 self.sendErrorReply(REPLY_CMD_NOT_SUPPORTED) | |
424 return | |
425 | |
426 # Process the command | |
427 if cmd == CMD_CONNECT: | |
428 self.connectRequested(addr, port) | |
429 elif cmd == CMD_BIND: | |
430 self.bindRequested(addr, port) | |
431 else: | |
432 # Any other command is not supported | |
433 self.sendErrorReply(REPLY_CMD_NOT_SUPPORTED) | |
434 | |
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435 except struct.error: |
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436 # The buffer is probably not complete, we need to wait more |
0 | 437 return None |
438 | |
439 def _makeRequest(self): | |
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440 hash_ = self._session_hash |
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441 request = struct.pack('!5B%dsH' % len(hash_), SOCKS5_VER, CMD_CONNECT, 0, ADDR_DOMAINNAME, len(hash_), hash_, 0) |
0 | 442 self.transport.write(request) |
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443 self.state = STATE_CLIENT_REQUEST |
0 | 444 |
445 def _parseRequestReply(self): | |
446 try: | |
447 ver, rep, rsvd, self.addressType = struct.unpack('!BBBB', self.buf[:4]) | |
448 # Ensure we actually support the requested address type | |
449 if self.addressType not in self.supportedAddrs: | |
450 self.sendErrorReply(REPLY_ADDR_NOT_SUPPORTED) | |
451 return | |
452 | |
453 # Deal with addresses | |
454 if self.addressType == ADDR_IPV4: | |
455 addr, port = struct.unpack('!IH', self.buf[4:10]) | |
456 self.buf = self.buf[10:] | |
587
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457 elif self.addressType == ADDR_DOMAINNAME: |
0 | 458 nlen = ord(self.buf[4]) |
459 addr, port = struct.unpack('!%dsH' % nlen, self.buf[5:]) | |
460 self.buf = self.buf[7 + len(addr):] | |
461 else: | |
462 # Any other address types are not supported | |
463 self.sendErrorReply(REPLY_ADDR_NOT_SUPPORTED) | |
464 return | |
465 | |
466 # Ensure reply is OK | |
467 if rep != REPLY_SUCCESS: | |
468 self.loseConnection() | |
469 return | |
470 | |
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471 self.state = STATE_READY |
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472 self.connection.callback(None) |
0 | 473 |
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474 except struct.error: |
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475 # The buffer is probably not complete, we need to wait more |
0 | 476 return None |
477 | |
478 def connectionMade(self): | |
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479 log.debug(u"Socks5 connectionMade (mode = {})".format("server" if self.state == STATE_INITIAL else "client")) |
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480 if self.state == STATE_CLIENT_INITIAL: |
0 | 481 self._startNegotiation() |
482 | |
483 def connectRequested(self, addr, port): | |
538
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484 # Check that this session is expected |
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485 if not self.factory.addToSession(addr, self): |
538
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486 self.sendErrorReply(REPLY_CONN_REFUSED) |
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487 log.warning(u"Unexpected connection request received from {host}" |
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488 .format(host=self.transport.getPeer().host)) |
0 | 489 return |
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490 self._session_hash = addr |
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491 self.connectCompleted(addr, 0) |
0 | 492 |
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493 def startTransfer(self, chunk_size): |
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494 """Callback called when the result iq is received |
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495 |
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496 @param chunk_size(None, int): size of the buffer, or None for default |
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497 """ |
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498 if chunk_size is not None: |
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499 self.CHUNK_SIZE = chunk_size |
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500 log.debug(u"Starting file transfer") |
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501 d = self.beginFileTransfer(self.file_obj, self.transport) |
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502 d.addCallback(self.fileTransfered) |
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503 |
0 | 504 def fileTransfered(self, d): |
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505 log.info(_("File transfer completed, closing connection")) |
0 | 506 self.transport.loseConnection() |
507 | |
508 def connectCompleted(self, remotehost, remoteport): | |
509 if self.addressType == ADDR_IPV4: | |
510 result = struct.pack('!BBBBIH', SOCKS5_VER, REPLY_SUCCESS, 0, 1, remotehost, remoteport) | |
511 elif self.addressType == ADDR_DOMAINNAME: | |
512 result = struct.pack('!BBBBB%dsH' % len(remotehost), SOCKS5_VER, REPLY_SUCCESS, 0, | |
513 ADDR_DOMAINNAME, len(remotehost), remotehost, remoteport) | |
514 self.transport.write(result) | |
515 self.state = STATE_READY | |
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516 |
0 | 517 def bindRequested(self, addr, port): |
518 pass | |
587
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519 |
0 | 520 def authenticateUserPass(self, user, passwd): |
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521 # FIXME: implement authentication and remove the debug printing a password |
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522 log.debug(u"User/pass: %s/%s" % (user, passwd)) |
0 | 523 return True |
524 | |
525 def dataReceived(self, buf): | |
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526 if self.state == STATE_READY: |
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527 # Everything is set, we just have to write the incoming data |
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528 self.file_obj.write(buf) |
0 | 529 return |
530 | |
531 self.buf = self.buf + buf | |
532 if self.state == STATE_INITIAL: | |
533 self._parseNegotiation() | |
534 if self.state == STATE_AUTH_USERPASS: | |
535 self._parseUserPass() | |
536 if self.state == STATE_REQUEST: | |
537 self._parseRequest() | |
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538 if self.state == STATE_CLIENT_REQUEST: |
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539 self._parseRequestReply() |
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540 if self.state == STATE_CLIENT_AUTH: |
0 | 541 ver, method = struct.unpack('!BB', buf) |
542 self.buf = self.buf[2:] | |
594
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543 if ver != SOCKS5_VER or method != AUTHMECH_ANON: |
0 | 544 self.transport.loseConnection() |
545 else: | |
546 self._makeRequest() | |
547 | |
548 def connectionLost(self, reason): | |
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549 log.debug(u"Socks5 connection lost: {}".format(reason.value)) |
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550 if self.state != STATE_READY: |
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551 self.connection.errback(reason) |
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552 if self.server_mode : |
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553 self.factory.removeFromSession(self._session_hash, self, reason) |
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554 |
0 | 555 |
556 class Socks5ServerFactory(protocol.ServerFactory): | |
557 protocol = SOCKSv5 | |
558 | |
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559 def __init__(self, parent): |
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560 """ |
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561 @param parent(XEP_0065): XEP_0065 parent instance |
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562 """ |
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563 self.parent = parent |
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564 |
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565 def getSession(self, session_hash): |
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566 return self.parent.getSession(session_hash, None) |
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567 |
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568 def startTransfer(self, session_hash, chunk_size=None): |
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569 session = self.getSession(session_hash) |
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570 try: |
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571 protocol = session['protocols'][0] |
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572 except (KeyError, IndexError): |
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573 log.error(u"Can't start file transfer, can't find protocol") |
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574 else: |
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575 session[TIMER_KEY].cancel() |
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576 protocol.startTransfer(chunk_size) |
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577 |
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578 def addToSession(self, session_hash, protocol): |
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579 """Check is session_hash is valid, and associate protocol with it |
0 | 580 |
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581 the session will be associated to the corresponding candidate |
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582 @param session_hash(str): hash of the session |
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583 @param protocol(SOCKSv5): protocol instance |
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584 @param return(bool): True if hash was valid (i.e. expected), False else |
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585 """ |
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586 try: |
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587 session_data = self.getSession(session_hash) |
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588 except KeyError: |
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589 return False |
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590 else: |
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591 session_data.setdefault('protocols', []).append(protocol) |
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592 return True |
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593 |
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594 def removeFromSession(self, session_hash, protocol, reason): |
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595 """Remove a protocol from session_data |
0 | 596 |
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597 There can be several protocol instances while candidates are tried, they |
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598 have removed when candidate connection is closed |
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599 @param session_hash(str): hash of the session |
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600 @param protocol(SOCKSv5): protocol instance |
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601 @param reason(failure.Failure): reason of the removal |
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602 """ |
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603 try: |
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604 protocols = self.getSession(session_hash)['protocols'] |
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605 protocols.remove(protocol) |
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606 except (KeyError, ValueError): |
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607 log.error(u"Protocol not found in session while it should be there") |
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608 else: |
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609 if not protocols: |
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610 # The last protocol has been removed, session is finished |
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611 if reason.check(internet_error.ConnectionDone): |
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612 self.getSession(session_hash)[DEFER_KEY].callback(None) |
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613 else: |
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614 self.getSession(session_hash)[DEFER_KEY].errback(reason) |
594
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
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615 |
0 | 616 |
617 class Socks5ClientFactory(protocol.ClientFactory): | |
618 protocol = SOCKSv5 | |
394
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619 |
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620 def __init__(self, parent, session_hash, profile): |
398 | 621 """Init the Client Factory |
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622 |
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623 @param session_hash(unicode): hash of the session |
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624 hash is the same as hostname computer in XEP-0065 § 5.3.2 #1 |
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625 @param profile(unciode): %(doc_profile)s |
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626 """ |
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627 self.session = parent.getSession(session_hash, profile) |
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628 self.session_hash = session_hash |
538
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629 self.profile = profile |
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630 self.connection = defer.Deferred() |
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631 self._protocol_instance = None |
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632 self.connector = None |
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633 self._discarded = False |
0 | 634 |
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635 def discard(self): |
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636 """Disconnect the client |
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637 |
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638 Also set a discarded flag, which avoid to call the session Deferred |
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639 """ |
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640 self.connector.disconnect() |
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641 self._discarded = True |
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642 |
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643 def getSession(self): |
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644 return self.session |
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645 |
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646 def startTransfer(self, dummy=None, chunk_size=None): |
1584
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647 self.session[TIMER_KEY].cancel() |
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648 self._protocol_instance.startTransfer(chunk_size) |
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649 |
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650 def clientConnectionFailed(self, connector, reason): |
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651 log.debug(u"Connection failed") |
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652 self.connection.errback(reason) |
0 | 653 |
654 def clientConnectionLost(self, connector, reason): | |
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655 log.debug(_(u"Socks 5 client connection lost (reason: %s)") % reason.value) |
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656 self._protocol_instance = None |
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657 if not self._discarded: |
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658 # This one was used for the transfer, than mean that |
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659 # the Socks5 session is finished |
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660 if reason.check(internet_error.ConnectionDone): |
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661 self.getSession()[DEFER_KEY].callback(None) |
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662 else: |
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663 self.getSession()[DEFER_KEY].errback(reason) |
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664 |
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665 def buildProtocol(self, addr): |
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666 log.debug(("Socks 5 client connection started")) |
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667 p = self.protocol(session_hash=self.session_hash) |
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668 p.factory = self |
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669 p.connection.chainDeferred(self.connection) |
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670 self._protocol_instance = p |
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671 return p |
0 | 672 |
673 | |
588
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Remove every old-style class.
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674 class XEP_0065(object): |
394
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675 NAMESPACE = NS_BS |
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676 TYPE_DIRECT = 'direct' |
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677 TYPE_ASSISTED = 'assisted' |
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678 TYPE_TUNEL = 'tunel' |
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679 TYPE_PROXY = 'proxy' |
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680 Candidate = Candidate |
20
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refactoring: using xml params part IV (default values)
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|
681 |
0 | 682 def __init__(self, host): |
993
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683 log.info(_("Plugin XEP_0065 initialization")) |
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684 self.host = host |
587
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|
685 |
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686 # session data |
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687 self.hash_profiles_map = {} # key: hash of the transfer session, value: session data |
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688 self._cache_proxies = {} # key: server jid, value: proxy data |
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689 |
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690 # misc data |
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691 self._server_factory = None |
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692 self._external_port = None |
21
633c5ed65701
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|
693 |
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694 # plugins shortcuts |
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695 self._ip = self.host.plugins['IP'] |
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696 try: |
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697 self._np = self.host.plugins['NAT-PORT'] |
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698 except KeyError: |
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699 log.debug(u"NAT Port plugin not available") |
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700 self._np = None |
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|
701 |
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702 # parameters |
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703 # XXX: params are not used for now, but they may be used in the futur to force proxy/IP |
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704 # host.memory.updateParams(PARAMS) |
587
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705 |
72 | 706 def getHandler(self, profile): |
587
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|
707 return XEP_0065_handler(self) |
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|
708 |
538
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|
709 def profileConnected(self, profile): |
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|
710 client = self.host.getClient(profile) |
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711 client.xep_0065_sid_session = {} # key: stream_id, value: session_data(dict) |
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712 client._s5b_sessions = {} |
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713 |
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|
714 def getSessionHash(self, from_jid, to_jid, sid): |
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715 return getSessionHash(from_jid, to_jid, sid) |
7cc29634b6ef
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Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
716 |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
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parents:
1409
diff
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|
717 def getSocks5ServerFactory(self): |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
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diff
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|
718 """Return server factory |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
719 |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
720 The server is created if it doesn't exists yet |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
721 self._server_factory_port is set on server creation |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
722 """ |
538
2c4016921403
core, frontends, bridgen plugins: fixed methods which were unproperly managing multi-profiles
Goffi <goffi@goffi.org>
parents:
536
diff
changeset
|
723 |
1559
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
724 if self._server_factory is None: |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
725 self._server_factory = Socks5ServerFactory(self) |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
726 for port in xrange(SERVER_STARTING_PORT, 65356): |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
727 try: |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
728 listening_port = reactor.listenTCP(port, self._server_factory) |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
729 except internet_error.CannotListenError as e: |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
730 log.debug(u"Cannot listen on port {port}: {err_msg}{err_num}".format( |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
731 port=port, |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
732 err_msg=e.socketError.strerror, |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
733 err_num=u' (error code: {})'.format(e.socketError.errno), |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
734 )) |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
735 else: |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
736 self._server_factory_port = listening_port.getHost().port |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
737 break |
0 | 738 |
1559
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
739 log.info(_("Socks5 Stream server launched on port {}").format(self._server_factory_port)) |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
740 return self._server_factory |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
741 |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
742 @defer.inlineCallbacks |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
743 def getProxy(self, profile): |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
744 """Return the proxy available for this profile |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
745 |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
746 cache is used between profiles using the same server |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
747 @param profile: %(doc_profile)s |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
748 @return ((D)(ProxyInfos, None)): Found proxy infos, |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
749 or None if not acceptable proxy is found |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
750 """ |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
751 def notFound(server): |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
752 log.info(u"No proxy found on this server") |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
753 self._cache_proxies[server] = None |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
754 defer.returnValue(None) |
538
2c4016921403
core, frontends, bridgen plugins: fixed methods which were unproperly managing multi-profiles
Goffi <goffi@goffi.org>
parents:
536
diff
changeset
|
755 client = self.host.getClient(profile) |
1559
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
756 server = client.jid.host |
394
8f3551ceee17
plugin XEP-0065: refactored and misc stuff fixed. Still not finished
Goffi <goffi@goffi.org>
parents:
291
diff
changeset
|
757 try: |
1559
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
758 defer.returnValue(self._cache_proxies[server]) |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
759 except KeyError: |
394
8f3551ceee17
plugin XEP-0065: refactored and misc stuff fixed. Still not finished
Goffi <goffi@goffi.org>
parents:
291
diff
changeset
|
760 pass |
1559
7cc29634b6ef
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Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
761 try: |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
762 proxy = (yield self.host.findServiceEntities('proxy', 'bytestreams', profile=profile)).pop() |
1675
fd143578fe89
plugin XEP-0065: fixed bad error handling
Goffi <goffi@goffi.org>
parents:
1629
diff
changeset
|
763 except (defer.CancelledError, StopIteration): |
1559
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
764 notFound(server) |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
765 iq_elt = client.IQ('get') |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
766 iq_elt['to'] = proxy.full() |
1577
d04d7402b8e9
plugins XEP-0020, XEP-0065, XEP-0095, XEP-0096: fixed file copy with Stream Initiation:
Goffi <goffi@goffi.org>
parents:
1576
diff
changeset
|
767 iq_elt.addElement((NS_BS, 'query')) |
587
952322b1d490
Remove trailing whitespaces.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
585
diff
changeset
|
768 |
1559
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
769 try: |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
770 result_elt = yield iq_elt.send() |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
771 except jabber_error.StanzaError as failure: |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
772 log.warning(u"Error while requesting proxy info on {jid}: {error}" |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
773 .format(proxy.full(), failure)) |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
774 notFound(server) |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
775 |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
776 try: |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
777 query_elt = result_elt.elements(NS_BS, 'query').next() |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
778 streamhost_elt = query_elt.elements(NS_BS, 'streamhost').next() |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
779 host = streamhost_elt['host'] |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
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parents:
1409
diff
changeset
|
780 jid_ = streamhost_elt['jid'] |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
781 port = streamhost_elt['port'] |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
782 if not all((host, jid, port)): |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
783 raise KeyError |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
784 jid_ = jid.JID(jid_) |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
785 except (StopIteration, KeyError, RuntimeError, jid.InvalidFormat): |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
786 log.warning(u"Invalid proxy data received from {}".format(proxy.full())) |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
787 notFound(server) |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
788 |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
789 proxy_infos = self._cache_proxies[server] = ProxyInfos(host, jid_, port) |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
790 log.info(u"Proxy found: {}".format(proxy_infos)) |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
791 defer.returnValue(proxy_infos) |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
792 |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
793 @defer.inlineCallbacks |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
794 def _getNetworkData(self, client): |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
795 """Retrieve information about network |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
796 |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
797 @param client: %(doc_client)s |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
798 @return (D(tuple[local_port, external_port, local_ips, external_ip])): network data |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
799 """ |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
800 self.getSocks5ServerFactory() |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
801 local_port = self._server_factory_port |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
802 external_ip = yield self._ip.getExternalIP(client.profile) |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
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diff
changeset
|
803 local_ips = yield self._ip.getLocalIPs(client.profile) |
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
804 |
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:
1570
diff
changeset
|
805 if external_ip is not None and self._external_port is None: |
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:
1570
diff
changeset
|
806 if external_ip != local_ips[0]: |
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:
1570
diff
changeset
|
807 log.info(u"We are probably behind a NAT") |
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:
1570
diff
changeset
|
808 if self._np is None: |
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:
1570
diff
changeset
|
809 log.warning(u"NAT port plugin not available, we can't map port") |
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:
1570
diff
changeset
|
810 else: |
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:
1570
diff
changeset
|
811 ext_port = yield self._np.mapPort(local_port, desc=u"SaT socks5 stream") |
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:
1570
diff
changeset
|
812 if ext_port is None: |
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:
1570
diff
changeset
|
813 log.warning(u"Can't map NAT port") |
1559
7cc29634b6ef
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parents:
1409
diff
changeset
|
814 else: |
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:
1570
diff
changeset
|
815 self._external_port = ext_port |
1559
7cc29634b6ef
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parents:
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diff
changeset
|
816 |
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817 defer.returnValue((local_port, self._external_port, local_ips, external_ip)) |
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818 |
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819 @defer.inlineCallbacks |
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820 def getCandidates(self, profile): |
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821 """Return a list of our stream candidates |
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822 |
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823 @param profile: %(doc_profile)s |
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824 @return (D(list[Candidate])): list of candidates, ordered by priority |
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825 """ |
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826 client = self.host.getClient(profile) |
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827 server_factory = yield self.getSocks5ServerFactory() |
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828 local_port, ext_port, local_ips, external_ip = yield self._getNetworkData(client) |
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829 proxy = yield self.getProxy(profile) |
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830 |
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831 # its time to gather the candidates |
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832 candidates = [] |
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833 |
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834 # first the direct ones |
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835 |
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836 # the preferred direct connection |
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837 ip = local_ips.pop(0) |
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838 candidates.append(Candidate(ip, local_port, XEP_0065.TYPE_DIRECT, PRIORITY_BEST_DIRECT, client.jid, priority_local=True, factory=server_factory)) |
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839 for ip in local_ips: |
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840 candidates.append(Candidate(ip, local_port, XEP_0065.TYPE_DIRECT, PRIORITY_DIRECT, client.jid, priority_local=True, factory=server_factory)) |
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841 |
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842 # then the assisted one |
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843 if ext_port is not None: |
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844 candidates.append(Candidate(external_ip, ext_port, XEP_0065.TYPE_ASSISTED, PRIORITY_ASSISTED, client.jid, priority_local=True, factory=server_factory)) |
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845 |
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846 # finally the proxy |
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847 if proxy: |
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848 candidates.append(Candidate(proxy.host, proxy.port, XEP_0065.TYPE_PROXY, PRIORITY_PROXY, proxy.jid, priority_local=True)) |
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849 |
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850 # should be already sorted, but just in case the priorities get weird |
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851 candidates.sort(key=lambda c: c.priority, reverse=True) |
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852 defer.returnValue(candidates) |
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853 |
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854 def _addConnector(self, connector, candidate): |
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855 """Add connector used to connect to candidate, and return client factory's connection Deferred |
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856 |
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857 the connector can be used to disconnect the candidate, and returning the factory's connection Deferred allow to wait for connection completion |
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858 @param connector: a connector implementing IConnector |
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859 @param candidate(Candidate): candidate linked to the connector |
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860 @return (D): Deferred fired when factory connection is done or has failed |
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861 """ |
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862 candidate.factory.connector = connector |
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863 return candidate.factory.connection |
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864 |
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865 def connectCandidate(self, candidate, session_hash, delay=None, profile=C.PROF_KEY_NONE): |
1584
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plugin XEP-0065: session cleaning and timeout + log choosed candidate when using SI File Transfer
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866 """Connect to a candidate |
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867 |
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868 Connection will be done with a Socks5ClientFactory |
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869 @param candidate(Candidate): candidate to connect to |
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870 @param session_hash(unicode): hash of the session |
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871 hash is the same as hostname computer in XEP-0065 § 5.3.2 #1 |
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872 @param delay(None, float): optional delay to wait before connection, in seconds |
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873 @param profile: %(doc_profile)s |
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874 @return (D): Deferred launched when TCP connection + Socks5 connection is done |
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875 """ |
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876 factory = Socks5ClientFactory(self, session_hash, profile) |
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877 candidate.factory = factory |
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878 if delay is None: |
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879 d = defer.succeed(candidate.host) |
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880 else: |
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881 d = sat_defer.DelayedDeferred(delay, candidate.host) |
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882 d.addCallback(reactor.connectTCP, candidate.port, factory) |
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883 d.addCallback(self._addConnector, candidate) |
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884 return d |
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|
885 |
1559
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886 def tryCandidates(self, candidates, session_hash, connection_cb=None, connection_eb=None, profile=C.PROF_KEY_NONE): |
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887 defers_list = [] |
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|
888 |
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|
889 for candidate in candidates: |
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890 delay = CANDIDATE_DELAY * len(defers_list) |
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891 if candidate.type == XEP_0065.TYPE_PROXY: |
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892 delay += CANDIDATE_DELAY_PROXY |
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893 d = self.connectCandidate(candidate, session_hash, delay, profile) |
1559
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894 if connection_cb is not None: |
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|
895 d.addCallback(lambda dummy, candidate=candidate, profile=profile: connection_cb(candidate, profile)) |
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896 if connection_eb is not None: |
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897 d.addErrback(connection_eb, candidate, profile) |
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898 defers_list.append(d) |
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|
899 |
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900 return defers_list |
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|
901 |
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|
902 def getBestCandidate(self, candidates, session_hash, profile=C.PROF_KEY_NONE): |
1577
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|
903 """Get best candidate (according to priority) which can connect |
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904 |
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905 @param candidates(iterable[Candidate]): candidates to test |
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906 @param session_hash(unicode): hash of the session |
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907 hash is the same as hostname computer in XEP-0065 § 5.3.2 #1 |
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908 @param profile: %(doc_profile)s |
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909 @return (D(None, Candidate)): best candidate or None if none can connect |
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910 """ |
1559
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|
911 defer_candidates = None |
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|
912 |
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|
913 def connectionCb(candidate, profile): |
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|
914 log.info(u"Connection of {} successful".format(unicode(candidate))) |
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|
915 for idx, other_candidate in enumerate(candidates): |
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916 try: |
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917 if other_candidate.priority < candidate.priority: |
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|
918 log.debug(u"Cancelling {}".format(other_candidate)) |
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|
919 defer_candidates[idx].cancel() |
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|
920 except AttributeError: |
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|
921 assert other_candidate is None |
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|
922 |
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|
923 def connectionEb(failure, candidate, profile): |
7cc29634b6ef
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|
924 if failure.check(defer.CancelledError): |
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|
925 log.debug(u"Connection of {} has been cancelled".format(candidate)) |
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|
926 else: |
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diff
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|
927 log.info(u"Connection of {candidate} Failed: {error}".format( |
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diff
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|
928 candidate = candidate, |
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|
929 error = failure.value)) |
7cc29634b6ef
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|
930 candidates[candidates.index(candidate)] = None |
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|
931 |
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|
932 def allTested(self): |
7cc29634b6ef
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diff
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|
933 log.debug(u"All candidates have been tested") |
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|
934 good_candidates = [c for c in candidates if c] |
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|
935 return good_candidates[0] if good_candidates else None |
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|
936 |
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|
937 defer_candidates = self.tryCandidates(candidates, session_hash, connectionCb, connectionEb, profile) |
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|
938 d_list = defer.DeferredList(defer_candidates) |
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|
939 d_list.addCallback(allTested) |
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|
940 return d_list |
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|
941 |
1584
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|
942 def _timeOut(self, session_hash, client): |
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|
943 """Called when stream was not started quickly enough |
1559
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|
944 |
1584
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|
945 @param session_hash(str): hash as returned by getSessionHash |
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|
946 @param client: %(doc_client)s |
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|
947 """ |
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948 log.info(u"Socks5 Bytestream: TimeOut reached") |
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|
949 session = self.getSession(session_hash, client.profile) |
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|
950 session[DEFER_KEY].errback(exceptions.TimeOutError) |
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plugin XEP-0065: session cleaning and timeout + log choosed candidate when using SI File Transfer
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parents:
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diff
changeset
|
951 |
1629
a34d7f621944
plugin XEP-0065: renamed _killSession to killSession as it make sense to kill a session from an other plugin
Goffi <goffi@goffi.org>
parents:
1584
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|
952 def killSession(self, reason, session_hash, sid, client): |
1584
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|
953 """Clean the current session |
587
952322b1d490
Remove trailing whitespaces.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
585
diff
changeset
|
954 |
1584
b57b4683dc33
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diff
changeset
|
955 @param session_hash(str): hash as returned by getSessionHash |
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plugin XEP-0065: session cleaning and timeout + log choosed candidate when using SI File Transfer
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|
956 @param sid(None, unicode): session id |
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|
957 or None if self.xep_0065_sid_session was not used |
1559
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|
958 @param client: %(doc_client)s |
1584
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|
959 @param reason(None, failure.Failure): None if eveything was fine, a failure else |
b57b4683dc33
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diff
changeset
|
960 @return (None, failure.Failure): reason is returned |
1559
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|
961 """ |
1584
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plugin XEP-0065: session cleaning and timeout + log choosed candidate when using SI File Transfer
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parents:
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|
962 log.debug(u'Cleaning session with hash {hash}{id}: {reason}'.format( |
b57b4683dc33
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parents:
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diff
changeset
|
963 hash=session_hash, |
b57b4683dc33
plugin XEP-0065: session cleaning and timeout + log choosed candidate when using SI File Transfer
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parents:
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diff
changeset
|
964 reason='' if reason is None else reason.value, |
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plugin XEP-0065: session cleaning and timeout + log choosed candidate when using SI File Transfer
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parents:
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diff
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|
965 id='' if sid is None else u' (id: {})'.format(sid), |
b57b4683dc33
plugin XEP-0065: session cleaning and timeout + log choosed candidate when using SI File Transfer
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parents:
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diff
changeset
|
966 )) |
1559
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diff
changeset
|
967 |
7cc29634b6ef
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parents:
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diff
changeset
|
968 try: |
1584
b57b4683dc33
plugin XEP-0065: session cleaning and timeout + log choosed candidate when using SI File Transfer
Goffi <goffi@goffi.org>
parents:
1583
diff
changeset
|
969 # XXX: we need to be sure that hash is removed from self.hash_profiles_map |
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parents:
1583
diff
changeset
|
970 # ONLY if it's the profile requesting the session killing |
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Goffi <goffi@goffi.org>
parents:
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diff
changeset
|
971 # otherwise, this will result in a missing hash when the 2 peers |
b57b4683dc33
plugin XEP-0065: session cleaning and timeout + log choosed candidate when using SI File Transfer
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parents:
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diff
changeset
|
972 # are on the same instance |
b57b4683dc33
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parents:
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changeset
|
973 if self.hash_profiles_map[session_hash] == client.profile: |
b57b4683dc33
plugin XEP-0065: session cleaning and timeout + log choosed candidate when using SI File Transfer
Goffi <goffi@goffi.org>
parents:
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diff
changeset
|
974 del self.hash_profiles_map[session_hash] |
1559
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diff
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|
975 except KeyError: |
7cc29634b6ef
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parents:
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diff
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|
976 pass |
7cc29634b6ef
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Goffi <goffi@goffi.org>
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diff
changeset
|
977 |
1584
b57b4683dc33
plugin XEP-0065: session cleaning and timeout + log choosed candidate when using SI File Transfer
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parents:
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diff
changeset
|
978 if sid is not None: |
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parents:
1583
diff
changeset
|
979 try: |
b57b4683dc33
plugin XEP-0065: session cleaning and timeout + log choosed candidate when using SI File Transfer
Goffi <goffi@goffi.org>
parents:
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diff
changeset
|
980 del client.xep_0065_sid_session[sid] |
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plugin XEP-0065: session cleaning and timeout + log choosed candidate when using SI File Transfer
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parents:
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diff
changeset
|
981 except KeyError: |
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parents:
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diff
changeset
|
982 log.warning(u"Session id {} is unknown".format(sid)) |
587
952322b1d490
Remove trailing whitespaces.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
585
diff
changeset
|
983 |
1559
7cc29634b6ef
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diff
changeset
|
984 try: |
1584
b57b4683dc33
plugin XEP-0065: session cleaning and timeout + log choosed candidate when using SI File Transfer
Goffi <goffi@goffi.org>
parents:
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diff
changeset
|
985 session_data = client._s5b_sessions[session_hash] |
1559
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diff
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|
986 except KeyError: |
1584
b57b4683dc33
plugin XEP-0065: session cleaning and timeout + log choosed candidate when using SI File Transfer
Goffi <goffi@goffi.org>
parents:
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diff
changeset
|
987 log.warning(u"There is no session with this hash") |
b57b4683dc33
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parents:
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diff
changeset
|
988 return |
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plugin XEP-0065: session cleaning and timeout + log choosed candidate when using SI File Transfer
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parents:
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diff
changeset
|
989 else: |
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plugin XEP-0065: session cleaning and timeout + log choosed candidate when using SI File Transfer
Goffi <goffi@goffi.org>
parents:
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diff
changeset
|
990 del client._s5b_sessions[session_hash] |
b57b4683dc33
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parents:
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diff
changeset
|
991 |
b57b4683dc33
plugin XEP-0065: session cleaning and timeout + log choosed candidate when using SI File Transfer
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parents:
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diff
changeset
|
992 try: |
b57b4683dc33
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parents:
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diff
changeset
|
993 session_data['timer'].cancel() |
b57b4683dc33
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parents:
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diff
changeset
|
994 except (internet_error.AlreadyCalled, internet_error.AlreadyCancelled): |
1559
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|
995 pass |
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parents:
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diff
changeset
|
996 |
1584
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changeset
|
997 return reason |
394
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291
diff
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|
998 |
1559
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|
999 def startStream(self, file_obj, to_jid, sid, profile=C.PROF_KEY_NONE): |
394
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|
1000 """Launch the stream workflow |
1559
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|
1001 |
394
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|
1002 @param file_obj: file_obj to send |
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|
1003 @param to_jid: JID of the recipient |
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|
1004 @param sid: Stream session id |
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|
1005 @param successCb: method to call when stream successfuly finished |
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|
1006 @param failureCb: method to call when something goes wrong |
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|
1007 @param profile: %(doc_profile)s |
1577
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|
1008 @return (D): Deferred fired when session is finished |
1559
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|
1009 """ |
538
2c4016921403
core, frontends, bridgen plugins: fixed methods which were unproperly managing multi-profiles
Goffi <goffi@goffi.org>
parents:
536
diff
changeset
|
1010 client = self.host.getClient(profile) |
1577
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|
1011 session_data = self._createSession(file_obj, to_jid, sid, True, client.profile) |
1559
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|
1012 |
1577
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|
1013 session_data[client] = client |
1559
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|
1014 |
1577
d04d7402b8e9
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|
1015 def gotCandidates(candidates): |
d04d7402b8e9
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changeset
|
1016 session_data['candidates'] = candidates |
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1017 iq_elt = client.IQ() |
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1018 iq_elt["from"] = client.jid.full() |
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changeset
|
1019 iq_elt["to"] = to_jid.full() |
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1020 query_elt = iq_elt.addElement((NS_BS, 'query')) |
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1021 query_elt['mode'] = 'tcp' |
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changeset
|
1022 query_elt['sid'] = sid |
398 | 1023 |
1577
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changeset
|
1024 for candidate in candidates: |
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|
1025 streamhost = query_elt.addElement('streamhost') |
d04d7402b8e9
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changeset
|
1026 streamhost['host'] = candidate.host |
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changeset
|
1027 streamhost['port'] = str(candidate.port) |
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changeset
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1028 streamhost['jid'] = candidate.jid.full() |
1584
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plugin XEP-0065: session cleaning and timeout + log choosed candidate when using SI File Transfer
Goffi <goffi@goffi.org>
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diff
changeset
|
1029 log.debug(u"Candidate proposed: {}".format(candidate)) |
398 | 1030 |
1577
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changeset
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1031 d = iq_elt.send() |
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changeset
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1032 args = [session_data, client] |
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changeset
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1033 d.addCallbacks(self._IQNegotiationCb, self._IQNegotiationEb, args, None, args) |
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|
1034 |
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changeset
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1035 self.getCandidates(profile).addCallback(gotCandidates) |
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|
1036 return session_data[DEFER_KEY] |
0 | 1037 |
1577
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changeset
|
1038 def _IQNegotiationCb(self, iq_elt, session_data, client): |
1559
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1039 """Called when the result of open iq is received |
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|
1040 |
7cc29634b6ef
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|
1041 @param session_data(dict): data of the session |
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1042 @param client: %(doc_client)s |
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changeset
|
1043 @param iq_elt(domish.Element): <iq> result |
7cc29634b6ef
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1044 """ |
7cc29634b6ef
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parents:
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diff
changeset
|
1045 try: |
1577
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changeset
|
1046 query_elt = iq_elt.elements(NS_BS, 'query').next() |
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diff
changeset
|
1047 streamhost_used_elt = query_elt.elements(NS_BS, 'streamhost-used').next() |
d04d7402b8e9
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changeset
|
1048 except StopIteration: |
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parents:
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diff
changeset
|
1049 log.warning(u"No streamhost found in stream query") |
1559
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changeset
|
1050 # FIXME: must clean session |
398 | 1051 return |
394
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|
1052 |
1577
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changeset
|
1053 streamhost_jid = jid.JID(streamhost_used_elt['jid']) |
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changeset
|
1054 try: |
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diff
changeset
|
1055 candidate = (c for c in session_data['candidates'] if c.jid == streamhost_jid).next() |
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changeset
|
1056 except StopIteration: |
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diff
changeset
|
1057 log.warning(u"Candidate [{jid}] is unknown !".format(jid=streamhost_jid.full())) |
d04d7402b8e9
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parents:
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changeset
|
1058 return |
1584
b57b4683dc33
plugin XEP-0065: session cleaning and timeout + log choosed candidate when using SI File Transfer
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parents:
1583
diff
changeset
|
1059 else: |
b57b4683dc33
plugin XEP-0065: session cleaning and timeout + log choosed candidate when using SI File Transfer
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parents:
1583
diff
changeset
|
1060 log.info(u"Candidate choosed by target: {}".format(candidate)) |
394
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plugin XEP-0065: refactored and misc stuff fixed. Still not finished
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|
1061 |
1577
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diff
changeset
|
1062 if candidate.type == XEP_0065.TYPE_PROXY: |
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diff
changeset
|
1063 log.info(u"A Socks5 proxy is used") |
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parents:
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diff
changeset
|
1064 d = self.connectCandidate(candidate, session_data['hash'], profile=client.profile) |
d04d7402b8e9
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diff
changeset
|
1065 d.addCallback(lambda dummy: candidate.activate(session_data['id'], session_data['peer_jid'], client)) |
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parents:
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diff
changeset
|
1066 d.addErrback(self._activationEb) |
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|
1067 else: |
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changeset
|
1068 d = defer.succeed(None) |
398 | 1069 |
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changeset
|
1070 d.addCallback(lambda dummy: candidate.startTransfer(session_data['hash'])) |
398 | 1071 |
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changeset
|
1072 def _activationEb(self, failure): |
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changeset
|
1073 log.warning(u"Proxy activation error: {}".format(failure.value)) |
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changeset
|
1074 |
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diff
changeset
|
1075 def _IQNegotiationEb(self, stanza_err, session_data, client): |
1583
d46aae87c03a
plugins XEP-0047, XEP-0065, XEP-0096: fixed use of failure.condition insteand of failure.value + removed gettext use for local logs
Goffi <goffi@goffi.org>
parents:
1581
diff
changeset
|
1076 log.warning(u"Socks5 transfer failed: {}".format(stanza_err.value)) |
1577
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parents:
1576
diff
changeset
|
1077 # FIXME: must clean session |
394
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|
1078 |
1559
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changeset
|
1079 def createSession(self, *args, **kwargs): |
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changeset
|
1080 """like [_createSession] but return the session deferred instead of the whole session |
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changeset
|
1081 |
7cc29634b6ef
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changeset
|
1082 session deferred is fired when transfer is finished |
7cc29634b6ef
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parents:
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diff
changeset
|
1083 """ |
7cc29634b6ef
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changeset
|
1084 return self._createSession(*args, **kwargs)[DEFER_KEY] |
7cc29634b6ef
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changeset
|
1085 |
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changeset
|
1086 def _createSession(self, file_obj, to_jid, sid, requester=False, profile=C.PROF_KEY_NONE): |
394
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changeset
|
1087 """Called when a bytestream is imminent |
1559
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changeset
|
1088 |
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changeset
|
1089 @param file_obj(file): File object where data will be written |
7cc29634b6ef
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|
1090 @param to_jid(jid.JId): jid of the other peer |
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changeset
|
1091 @param sid(unicode): session id |
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changeset
|
1092 @param initiator(bool): if True, this session is create by initiator |
1559
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changeset
|
1093 @param profile: %(doc_profile)s |
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changeset
|
1094 @return (dict): session data |
7cc29634b6ef
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diff
changeset
|
1095 """ |
538
2c4016921403
core, frontends, bridgen plugins: fixed methods which were unproperly managing multi-profiles
Goffi <goffi@goffi.org>
parents:
536
diff
changeset
|
1096 client = self.host.getClient(profile) |
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changeset
|
1097 if sid in client.xep_0065_sid_session: |
1559
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|
1098 raise exceptions.ConflictError(u'A session with this id already exists !') |
1577
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|
1099 if requester: |
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1100 session_hash = getSessionHash(client.jid, to_jid, sid) |
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|
1101 session_data = self._registerHash(session_hash, file_obj, profile) |
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|
1102 else: |
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1103 session_hash = getSessionHash(to_jid, client.jid, sid) |
1584
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1583
diff
changeset
|
1104 session_d = defer.Deferred() |
1629
a34d7f621944
plugin XEP-0065: renamed _killSession to killSession as it make sense to kill a session from an other plugin
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parents:
1584
diff
changeset
|
1105 session_d.addBoth(self.killSession, session_hash, sid, client) |
1577
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|
1106 session_data = client._s5b_sessions[session_hash] = { |
1584
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changeset
|
1107 DEFER_KEY: session_d, |
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diff
changeset
|
1108 TIMER_KEY: reactor.callLater(TIMEOUT, self._timeOut, session_hash, client), |
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|
1109 } |
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|
1110 client.xep_0065_sid_session[sid] = session_data |
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1111 session_data.update( |
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1112 {'id': sid, |
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1113 'peer_jid': to_jid, |
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1114 'file': file_obj, |
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1115 'hash': session_hash, |
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1116 }) |
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1117 |
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1118 return session_data |
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1119 |
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1120 def getSession(self, session_hash, profile): |
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1121 """Return session data |
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1122 |
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1123 @param session_hash(unicode): hash of the session |
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1124 hash is the same as hostname computer in XEP-0065 § 5.3.2 #1 |
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1125 @param profile(None, unicode): profile of the peer |
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1126 None is used only if profile is unknown (this is only the case |
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1127 for incoming request received by Socks5ServerFactory). None must |
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1128 only be used by Socks5ServerFactory. |
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1129 See comments below for details |
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1130 @return (dict): session data |
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1131 """ |
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1132 if profile is None: |
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1133 try: |
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1134 profile = self.hash_profiles_map[session_hash] |
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1135 except KeyError as e: |
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1136 log.warning(u"The requested session doesn't exists !") |
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1137 raise e |
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1138 client = self.host.getClient(profile) |
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1139 return client._s5b_sessions[session_hash] |
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1140 |
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1141 def registerHash(self, *args, **kwargs): |
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1142 """like [_registerHash] but resturn the session deferred instead of the whole session |
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1143 session deferred is fired when transfer is finished |
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1144 """ |
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1145 return self._registerHash(*args, **kwargs)[DEFER_KEY] |
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1146 |
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1147 def _registerHash(self, session_hash, file_obj, profile): |
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1148 """Create a session_data associated to hash |
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1149 |
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1150 @param session_hash(str): hash of the session |
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1151 @param file_obj(file): file-like object |
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1152 @param profile: %(doc_profile)s |
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1153 return (dict): session data |
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1154 """ |
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1155 client = self.host.getClient(profile) |
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1156 assert session_hash not in client._s5b_sessions |
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1157 session_d = defer.Deferred() |
1629
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1158 session_d.addBoth(self.killSession, session_hash, None, client) |
1559
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1159 session_data = client._s5b_sessions[session_hash] = { |
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1160 "file": file_obj, |
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1161 DEFER_KEY: session_d, |
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|
1162 TIMER_KEY: reactor.callLater(TIMEOUT, self._timeOut, session_hash, client), |
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1163 } |
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1164 if session_hash in self.hash_profiles_map: |
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1165 # The only case when 2 profiles want to register the same hash |
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1166 # is when they are on the same instance |
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1167 log.info(u"Both Socks5 peers are on the same instance") |
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1168 # XXX:If both peers are on the same instance, they'll register the same |
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1169 # session_hash, so we'll have 2 profiles for the same hash. The first |
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1170 # one will be the responder (and so the second one the initiator). |
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1171 # As we'll keep the initiator choosed candidate (see XEP-0260 § 2.4 #4), |
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1172 # responder will handle the Socks5 server. Only the server will use |
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1173 # self.hash_profiles_map to get the profile, so we can ignore the second |
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1174 # one (the initiator profile). |
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1175 # There is no easy way to known if the incoming connection |
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1176 # to the Socks5Server is from initiator or responder, so this seams a |
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|
1177 # reasonable workaround. |
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1178 # NOTE: this workaround is only used with XEP-0260 |
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1179 else: |
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|
1180 self.hash_profiles_map[session_hash] = profile |
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1181 |
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1182 return session_data |
587
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|
1183 |
394
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1184 def streamQuery(self, iq_elt, profile): |
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1185 log.debug(u"BS stream query") |
538
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536
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|
1186 client = self.host.getClient(profile) |
587
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1187 |
394
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1188 iq_elt.handled = True |
587
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1189 |
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1190 query_elt = iq_elt.elements(NS_BS, 'query').next() |
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1191 try: |
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1192 sid = query_elt['sid'] |
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1193 except KeyError: |
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1194 log.warning(u"Invalid bystreams request received") |
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1195 return client.sendError(iq_elt, "bad-request") |
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1196 |
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|
1197 streamhost_elts = list(query_elt.elements(NS_BS, 'streamhost')) |
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1198 if not streamhost_elts: |
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1199 return client.sendError(iq_elt, "bad-request") |
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1200 |
1577
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|
1201 try: |
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|
1202 session_data = client.xep_0065_sid_session[sid] |
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1203 except KeyError: |
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1204 log.warning(u"Ignoring unexpected BS transfer: {}".format(sid)) |
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1205 return client.sendError(iq_elt, 'not-acceptable') |
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1206 |
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|
1207 peer_jid = session_data["peer_jid"] = jid.JID(iq_elt["from"]) |
587
952322b1d490
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|
1208 |
1577
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plugins XEP-0020, XEP-0065, XEP-0095, XEP-0096: fixed file copy with Stream Initiation:
Goffi <goffi@goffi.org>
parents:
1576
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changeset
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1209 candidates = [] |
d04d7402b8e9
plugins XEP-0020, XEP-0065, XEP-0095, XEP-0096: fixed file copy with Stream Initiation:
Goffi <goffi@goffi.org>
parents:
1576
diff
changeset
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1210 nb_sh = len(streamhost_elts) |
d04d7402b8e9
plugins XEP-0020, XEP-0065, XEP-0095, XEP-0096: fixed file copy with Stream Initiation:
Goffi <goffi@goffi.org>
parents:
1576
diff
changeset
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1211 for idx, sh_elt in enumerate(streamhost_elts): |
d04d7402b8e9
plugins XEP-0020, XEP-0065, XEP-0095, XEP-0096: fixed file copy with Stream Initiation:
Goffi <goffi@goffi.org>
parents:
1576
diff
changeset
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1212 try: |
d04d7402b8e9
plugins XEP-0020, XEP-0065, XEP-0095, XEP-0096: fixed file copy with Stream Initiation:
Goffi <goffi@goffi.org>
parents:
1576
diff
changeset
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1213 host, port, jid_ = sh_elt['host'], sh_elt['port'], jid.JID(sh_elt['jid']) |
d04d7402b8e9
plugins XEP-0020, XEP-0065, XEP-0095, XEP-0096: fixed file copy with Stream Initiation:
Goffi <goffi@goffi.org>
parents:
1576
diff
changeset
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1214 except KeyError: |
d04d7402b8e9
plugins XEP-0020, XEP-0065, XEP-0095, XEP-0096: fixed file copy with Stream Initiation:
Goffi <goffi@goffi.org>
parents:
1576
diff
changeset
|
1215 log.warning(u"malformed streamhost element") |
d04d7402b8e9
plugins XEP-0020, XEP-0065, XEP-0095, XEP-0096: fixed file copy with Stream Initiation:
Goffi <goffi@goffi.org>
parents:
1576
diff
changeset
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1216 return client.sendError(iq_elt, "bad-request") |
d04d7402b8e9
plugins XEP-0020, XEP-0065, XEP-0095, XEP-0096: fixed file copy with Stream Initiation:
Goffi <goffi@goffi.org>
parents:
1576
diff
changeset
|
1217 priority = nb_sh - idx |
d04d7402b8e9
plugins XEP-0020, XEP-0065, XEP-0095, XEP-0096: fixed file copy with Stream Initiation:
Goffi <goffi@goffi.org>
parents:
1576
diff
changeset
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1218 if jid_.userhostJID() != peer_jid.userhostJID(): |
d04d7402b8e9
plugins XEP-0020, XEP-0065, XEP-0095, XEP-0096: fixed file copy with Stream Initiation:
Goffi <goffi@goffi.org>
parents:
1576
diff
changeset
|
1219 type_ = XEP_0065.TYPE_PROXY |
d04d7402b8e9
plugins XEP-0020, XEP-0065, XEP-0095, XEP-0096: fixed file copy with Stream Initiation:
Goffi <goffi@goffi.org>
parents:
1576
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changeset
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1220 else: |
d04d7402b8e9
plugins XEP-0020, XEP-0065, XEP-0095, XEP-0096: fixed file copy with Stream Initiation:
Goffi <goffi@goffi.org>
parents:
1576
diff
changeset
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1221 type_ = XEP_0065.TYPE_DIRECT |
d04d7402b8e9
plugins XEP-0020, XEP-0065, XEP-0095, XEP-0096: fixed file copy with Stream Initiation:
Goffi <goffi@goffi.org>
parents:
1576
diff
changeset
|
1222 candidates.append(Candidate(host, port, type_, priority, jid_)) |
394
8f3551ceee17
plugin XEP-0065: refactored and misc stuff fixed. Still not finished
Goffi <goffi@goffi.org>
parents:
291
diff
changeset
|
1223 |
1577
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plugins XEP-0020, XEP-0065, XEP-0095, XEP-0096: fixed file copy with Stream Initiation:
Goffi <goffi@goffi.org>
parents:
1576
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changeset
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1224 for candidate in candidates: |
d04d7402b8e9
plugins XEP-0020, XEP-0065, XEP-0095, XEP-0096: fixed file copy with Stream Initiation:
Goffi <goffi@goffi.org>
parents:
1576
diff
changeset
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1225 log.info(u"Candidate proposed: {}".format(candidate)) |
d04d7402b8e9
plugins XEP-0020, XEP-0065, XEP-0095, XEP-0096: fixed file copy with Stream Initiation:
Goffi <goffi@goffi.org>
parents:
1576
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changeset
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1226 |
d04d7402b8e9
plugins XEP-0020, XEP-0065, XEP-0095, XEP-0096: fixed file copy with Stream Initiation:
Goffi <goffi@goffi.org>
parents:
1576
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changeset
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1227 d = self.getBestCandidate(candidates, session_data['hash'], profile) |
d04d7402b8e9
plugins XEP-0020, XEP-0065, XEP-0095, XEP-0096: fixed file copy with Stream Initiation:
Goffi <goffi@goffi.org>
parents:
1576
diff
changeset
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1228 d.addCallback(self._ackStream, iq_elt, session_data, client) |
394
8f3551ceee17
plugin XEP-0065: refactored and misc stuff fixed. Still not finished
Goffi <goffi@goffi.org>
parents:
291
diff
changeset
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1229 |
1577
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plugins XEP-0020, XEP-0065, XEP-0095, XEP-0096: fixed file copy with Stream Initiation:
Goffi <goffi@goffi.org>
parents:
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changeset
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1230 def _ackStream(self, candidate, iq_elt, session_data, client): |
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plugins XEP-0020, XEP-0065, XEP-0095, XEP-0096: fixed file copy with Stream Initiation:
Goffi <goffi@goffi.org>
parents:
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diff
changeset
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1231 if candidate is None: |
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plugins XEP-0020, XEP-0065, XEP-0095, XEP-0096: fixed file copy with Stream Initiation:
Goffi <goffi@goffi.org>
parents:
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diff
changeset
|
1232 log.info("No streamhost candidate worked, we have to end negotiation") |
d04d7402b8e9
plugins XEP-0020, XEP-0065, XEP-0095, XEP-0096: fixed file copy with Stream Initiation:
Goffi <goffi@goffi.org>
parents:
1576
diff
changeset
|
1233 return client.sendError(iq_elt, 'item-not-found') |
1584
b57b4683dc33
plugin XEP-0065: session cleaning and timeout + log choosed candidate when using SI File Transfer
Goffi <goffi@goffi.org>
parents:
1583
diff
changeset
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1234 log.info(u"We choose: {}".format(candidate)) |
1577
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Goffi <goffi@goffi.org>
parents:
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diff
changeset
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1235 result_elt = xmlstream.toResponse(iq_elt, 'result') |
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plugins XEP-0020, XEP-0065, XEP-0095, XEP-0096: fixed file copy with Stream Initiation:
Goffi <goffi@goffi.org>
parents:
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diff
changeset
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1236 query_elt = result_elt.addElement((NS_BS, 'query')) |
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plugins XEP-0020, XEP-0065, XEP-0095, XEP-0096: fixed file copy with Stream Initiation:
Goffi <goffi@goffi.org>
parents:
1576
diff
changeset
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1237 query_elt['sid'] = session_data['id'] |
d04d7402b8e9
plugins XEP-0020, XEP-0065, XEP-0095, XEP-0096: fixed file copy with Stream Initiation:
Goffi <goffi@goffi.org>
parents:
1576
diff
changeset
|
1238 streamhost_used_elt = query_elt.addElement('streamhost-used') |
d04d7402b8e9
plugins XEP-0020, XEP-0065, XEP-0095, XEP-0096: fixed file copy with Stream Initiation:
Goffi <goffi@goffi.org>
parents:
1576
diff
changeset
|
1239 streamhost_used_elt['jid'] = candidate.jid.full() |
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plugins XEP-0020, XEP-0065, XEP-0095, XEP-0096: fixed file copy with Stream Initiation:
Goffi <goffi@goffi.org>
parents:
1576
diff
changeset
|
1240 client.xmlstream.send(result_elt) |
0 | 1241 |
594
e629371a28d3
Fix pep8 support in src/plugins.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
588
diff
changeset
|
1242 |
64 | 1243 class XEP_0065_handler(XMPPHandler): |
1244 implements(iwokkel.IDisco) | |
587
952322b1d490
Remove trailing whitespaces.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
585
diff
changeset
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1245 |
64 | 1246 def __init__(self, plugin_parent): |
1247 self.plugin_parent = plugin_parent | |
1248 self.host = plugin_parent.host | |
398 | 1249 |
64 | 1250 def connectionInitialized(self): |
1559
7cc29634b6ef
plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1409
diff
changeset
|
1251 self.xmlstream.addObserver(BS_REQUEST, self.plugin_parent.streamQuery, profile=self.parent.profile) |
587
952322b1d490
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
585
diff
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1252 |
64 | 1253 def getDiscoInfo(self, requestor, target, nodeIdentifier=''): |
1254 return [disco.DiscoFeature(NS_BS)] | |
1255 | |
1256 def getDiscoItems(self, requestor, target, nodeIdentifier=''): | |
1257 return [] |