Mercurial > libervia-backend
annotate src/plugins/plugin_xep_0065.py @ 341:9eebdc655b8b
code: added asyncConnect
| author | Goffi <goffi@goffi.org> |
|---|---|
| date | Thu, 26 May 2011 16:49:47 +0200 |
| parents | 7c79d4a8c9e6 |
| children | 8f3551ceee17 |
| rev | line source |
|---|---|
| 0 | 1 #!/usr/bin/python |
| 2 #-*- coding: utf-8 -*- | |
| 3 """ | |
| 4 SAT plugin for managing xep-0065 | |
| 5 | |
| 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) |
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9 2009, 2010, 2011 Jérôme Poisson (goffi@goffi.org) |
| 0 | 10 |
| 11 This program is free software: you can redistribute it and/or modify | |
| 12 it under the terms of the GNU General Public License as published by | |
| 13 the Free Software Foundation, either version 3 of the License, or | |
| 14 (at your option) any later version. | |
| 15 | |
| 16 This program is distributed in the hope that it will be useful, | |
| 17 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 19 GNU General Public License for more details. | |
| 20 | |
| 21 You should have received a copy of the GNU General Public License | |
| 22 along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 23 | |
| 24 -- | |
| 25 | |
| 26 This program is based on proxy65 (http://code.google.com/p/proxy65), | |
| 27 originaly written by David Smith and modified by Fabio Forno. | |
| 28 It is sublicensed under GPL v3 (or any later version) as allowed by the original | |
| 29 license. | |
| 30 | |
| 31 -- | |
| 32 | |
| 33 Here is a copy of the original license: | |
| 34 | |
| 35 Copyright (C) | |
| 36 2002-2004 Dave Smith (dizzyd@jabber.org) | |
| 37 2007-2008 Fabio Forno (xmpp:ff@jabber.bluendo.com) | |
| 38 | |
| 39 Permission is hereby granted, free of charge, to any person obtaining a copy | |
| 40 of this software and associated documentation files (the "Software"), to deal | |
| 41 in the Software without restriction, including without limitation the rights | |
| 42 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
| 43 copies of the Software, and to permit persons to whom the Software is | |
| 44 furnished to do so, subject to the following conditions: | |
| 45 | |
| 46 The above copyright notice and this permission notice shall be included in | |
| 47 all copies or substantial portions of the Software. | |
| 48 | |
| 49 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
| 50 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
| 51 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
| 52 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
| 53 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
| 54 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
| 55 THE SOFTWARE. | |
| 56 """ | |
| 57 | |
| 58 from logging import debug, info, error | |
| 59 from twisted.internet import protocol, reactor | |
| 60 from twisted.protocols.basic import FileSender | |
| 61 from twisted.words.xish import domish | |
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62 from twisted.web.client import getPage |
| 0 | 63 import struct |
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64 import urllib |
| 0 | 65 import hashlib, pdb |
| 66 | |
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67 from zope.interface import implements |
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68 |
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69 try: |
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70 from twisted.words.protocols.xmlstream import XMPPHandler |
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71 except ImportError: |
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72 from wokkel.subprotocols import XMPPHandler |
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73 |
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74 from wokkel import disco, iwokkel |
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75 |
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76 IQ_SET = '/iq[@type="set"]' |
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77 NS_BS = 'http://jabber.org/protocol/bytestreams' |
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78 BS_REQUEST = IQ_SET + '/query[@xmlns="' + NS_BS + '"]' |
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79 |
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80 |
| 0 | 81 |
| 82 PLUGIN_INFO = { | |
| 83 "name": "XEP 0065 Plugin", | |
| 291 | 84 "import_name": "XEP-0065", |
| 0 | 85 "type": "XEP", |
| 48 | 86 "protocols": ["XEP-0065"], |
| 0 | 87 "main": "XEP_0065", |
| 64 | 88 "handler": "yes", |
| 69 | 89 "description": _("""Implementation of SOCKS5 Bytestreams""") |
| 0 | 90 } |
| 91 | |
| 92 STATE_INITIAL = 0 | |
| 93 STATE_AUTH = 1 | |
| 94 STATE_REQUEST = 2 | |
| 95 STATE_READY = 3 | |
| 96 STATE_AUTH_USERPASS = 4 | |
| 97 STATE_TARGET_INITIAL = 5 | |
| 98 STATE_TARGET_AUTH = 6 | |
| 99 STATE_TARGET_REQUEST = 7 | |
| 100 STATE_TARGET_READY = 8 | |
| 101 STATE_LAST = 9 | |
| 102 | |
| 103 STATE_CONNECT_PENDING = STATE_LAST + 1 | |
| 104 | |
| 105 SOCKS5_VER = 0x05 | |
| 106 | |
| 107 ADDR_IPV4 = 0x01 | |
| 108 ADDR_DOMAINNAME = 0x03 | |
| 109 ADDR_IPV6 = 0x04 | |
| 110 | |
| 111 CMD_CONNECT = 0x01 | |
| 112 CMD_BIND = 0x02 | |
| 113 CMD_UDPASSOC = 0x03 | |
| 114 | |
| 115 AUTHMECH_ANON = 0x00 | |
| 116 AUTHMECH_USERPASS = 0x02 | |
| 117 AUTHMECH_INVALID = 0xFF | |
| 118 | |
| 119 REPLY_SUCCESS = 0x00 | |
| 120 REPLY_GENERAL_FAILUR = 0x01 | |
| 121 REPLY_CONN_NOT_ALLOWED = 0x02 | |
| 122 REPLY_NETWORK_UNREACHABLE = 0x03 | |
| 123 REPLY_HOST_UNREACHABLE = 0x04 | |
| 124 REPLY_CONN_REFUSED = 0x05 | |
| 125 REPLY_TTL_EXPIRED = 0x06 | |
| 126 REPLY_CMD_NOT_SUPPORTED = 0x07 | |
| 127 REPLY_ADDR_NOT_SUPPORTED = 0x08 | |
| 128 | |
| 129 | |
| 130 | |
| 131 | |
| 132 | |
| 133 class SOCKSv5(protocol.Protocol, FileSender): | |
| 134 def __init__(self): | |
| 69 | 135 debug(_("Protocol init")) |
| 0 | 136 self.state = STATE_INITIAL |
| 137 self.buf = "" | |
| 138 self.supportedAuthMechs = [ AUTHMECH_ANON ] | |
| 139 self.supportedAddrs = [ ADDR_DOMAINNAME ] | |
| 140 self.enabledCommands = [ CMD_CONNECT ] | |
| 141 self.peersock = None | |
| 142 self.addressType = 0 | |
| 143 self.requestType = 0 | |
| 144 self.activeConns = {} | |
| 145 self.pendingConns = {} | |
| 146 self.transfered = 0 #nb of bytes already copied | |
| 147 | |
| 148 def _startNegotiation(self): | |
| 149 debug("_startNegotiation") | |
| 150 self.state = STATE_TARGET_AUTH | |
| 151 self.transport.write(struct.pack('!3B', SOCKS5_VER, 1, AUTHMECH_ANON)) | |
| 152 | |
| 153 def _parseNegotiation(self): | |
| 154 debug("_parseNegotiation") | |
| 155 try: | |
| 156 # Parse out data | |
| 157 ver, nmethod = struct.unpack('!BB', self.buf[:2]) | |
| 158 methods = struct.unpack('%dB' % nmethod, self.buf[2:nmethod+2]) | |
| 159 | |
| 160 # Ensure version is correct | |
| 161 if ver != 5: | |
| 162 self.transport.write(struct.pack('!BB', SOCKS5_VER, AUTHMECH_INVALID)) | |
| 163 self.transport.loseConnection() | |
| 164 return | |
| 165 | |
| 166 # Trim off front of the buffer | |
| 167 self.buf = self.buf[nmethod+2:] | |
| 168 | |
| 169 # Check for supported auth mechs | |
| 170 for m in self.supportedAuthMechs: | |
| 171 if m in methods: | |
| 172 # Update internal state, according to selected method | |
| 173 if m == AUTHMECH_ANON: | |
| 174 self.state = STATE_REQUEST | |
| 175 elif m == AUTHMECH_USERPASS: | |
| 176 self.state = STATE_AUTH_USERPASS | |
| 177 # Complete negotiation w/ this method | |
| 178 self.transport.write(struct.pack('!BB', SOCKS5_VER, m)) | |
| 179 return | |
| 180 | |
| 181 # No supported mechs found, notify client and close the connection | |
| 182 self.transport.write(struct.pack('!BB', SOCKS5_VER, AUTHMECH_INVALID)) | |
| 183 self.transport.loseConnection() | |
| 184 except struct.error: | |
| 185 pass | |
| 186 | |
| 187 def _parseUserPass(self): | |
| 188 debug("_parseUserPass") | |
| 189 try: | |
| 190 # Parse out data | |
| 191 ver, ulen = struct.unpack('BB', self.buf[:2]) | |
| 192 uname, = struct.unpack('%ds' % ulen, self.buf[2:ulen + 2]) | |
| 193 plen, = struct.unpack('B', self.buf[ulen + 2]) | |
| 194 password, = struct.unpack('%ds' % plen, self.buf[ulen + 3:ulen + 3 + plen]) | |
| 195 # Trim off fron of the buffer | |
| 196 self.buf = self.buf[3 + ulen + plen:] | |
| 197 # Fire event to authenticate user | |
| 198 if self.authenticateUserPass(uname, password): | |
| 199 # Signal success | |
| 200 self.state = STATE_REQUEST | |
| 201 self.transport.write(struct.pack('!BB', SOCKS5_VER, 0x00)) | |
| 202 else: | |
| 203 # Signal failure | |
| 204 self.transport.write(struct.pack('!BB', SOCKS5_VER, 0x01)) | |
| 205 self.transport.loseConnection() | |
| 206 except struct.error: | |
| 207 pass | |
| 208 | |
| 209 def sendErrorReply(self, errorcode): | |
| 210 debug("sendErrorReply") | |
| 211 # Any other address types are not supported | |
| 212 result = struct.pack('!BBBBIH', SOCKS5_VER, errorcode, 0, 1, 0, 0) | |
| 213 self.transport.write(result) | |
| 214 self.transport.loseConnection() | |
| 215 | |
| 216 def addConnection(self, address, connection): | |
| 69 | 217 info(_("Adding connection: %(address)s, %(connection)s") % {'address':address, 'connection':connection}) |
| 0 | 218 olist = self.pendingConns.get(address, []) |
| 219 if len(olist) <= 1: | |
| 220 olist.append(connection) | |
| 221 self.pendingConns[address] = olist | |
| 222 return True | |
| 223 else: | |
| 224 return False | |
| 225 | |
| 226 def removePendingConnection(self, address, connection): | |
| 227 olist = self.pendingConns[address] | |
| 228 if len(olist) == 1: | |
| 229 del self.pendingConns[address] | |
| 230 else: | |
| 231 olist.remove(connection) | |
| 232 self.pendingConns[address] = olist | |
| 233 | |
| 234 def removeActiveConnection(self, address): | |
| 235 del self.activeConns[address] | |
| 236 | |
| 237 def _parseRequest(self): | |
| 238 debug("_parseRequest") | |
| 239 try: | |
| 240 # Parse out data and trim buffer accordingly | |
| 241 ver, cmd, rsvd, self.addressType = struct.unpack('!BBBB', self.buf[:4]) | |
| 242 | |
| 243 # Ensure we actually support the requested address type | |
| 244 if self.addressType not in self.supportedAddrs: | |
| 245 self.sendErrorReply(REPLY_ADDR_NOT_SUPPORTED) | |
| 246 return | |
| 247 | |
| 248 # Deal with addresses | |
| 249 if self.addressType == ADDR_IPV4: | |
| 250 addr, port = struct.unpack('!IH', self.buf[4:10]) | |
| 251 self.buf = self.buf[10:] | |
| 252 elif self.addressType == ADDR_DOMAINNAME: | |
| 253 nlen = ord(self.buf[4]) | |
| 254 addr, port = struct.unpack('!%dsH' % nlen, self.buf[5:]) | |
| 255 self.buf = self.buf[7 + len(addr):] | |
| 256 else: | |
| 257 # Any other address types are not supported | |
| 258 self.sendErrorReply(REPLY_ADDR_NOT_SUPPORTED) | |
| 259 return | |
| 260 | |
| 261 # Ensure command is supported | |
| 262 if cmd not in self.enabledCommands: | |
| 263 # Send a not supported error | |
| 264 self.sendErrorReply(REPLY_CMD_NOT_SUPPORTED) | |
| 265 return | |
| 266 | |
| 267 # Process the command | |
| 268 if cmd == CMD_CONNECT: | |
| 269 self.connectRequested(addr, port) | |
| 270 elif cmd == CMD_BIND: | |
| 271 self.bindRequested(addr, port) | |
| 272 else: | |
| 273 # Any other command is not supported | |
| 274 self.sendErrorReply(REPLY_CMD_NOT_SUPPORTED) | |
| 275 | |
| 276 except struct.error, why: | |
| 277 return None | |
| 278 | |
| 279 def _makeRequest(self): | |
| 280 debug("_makeRequest") | |
| 281 self.state = STATE_TARGET_REQUEST | |
| 282 sha1 = hashlib.sha1(self.sid + self.initiator_jid + self.target_jid).hexdigest() | |
| 283 request = struct.pack('!5B%dsH' % len(sha1), SOCKS5_VER, CMD_CONNECT, 0, ADDR_DOMAINNAME, len(sha1), sha1, 0) | |
| 284 self.transport.write(request) | |
| 285 | |
| 286 def _parseRequestReply(self): | |
| 287 debug("_parseRequestReply") | |
| 288 try: | |
| 289 ver, rep, rsvd, self.addressType = struct.unpack('!BBBB', self.buf[:4]) | |
| 290 # Ensure we actually support the requested address type | |
| 291 if self.addressType not in self.supportedAddrs: | |
| 292 self.sendErrorReply(REPLY_ADDR_NOT_SUPPORTED) | |
| 293 return | |
| 294 | |
| 295 # Deal with addresses | |
| 296 if self.addressType == ADDR_IPV4: | |
| 297 addr, port = struct.unpack('!IH', self.buf[4:10]) | |
| 298 self.buf = self.buf[10:] | |
| 299 elif self.addressType == ADDR_DOMAINNAME: | |
| 300 nlen = ord(self.buf[4]) | |
| 301 addr, port = struct.unpack('!%dsH' % nlen, self.buf[5:]) | |
| 302 self.buf = self.buf[7 + len(addr):] | |
| 303 else: | |
| 304 # Any other address types are not supported | |
| 305 self.sendErrorReply(REPLY_ADDR_NOT_SUPPORTED) | |
| 306 return | |
| 307 | |
| 308 # Ensure reply is OK | |
| 309 if rep != REPLY_SUCCESS: | |
| 310 self.loseConnection() | |
| 311 return | |
| 312 | |
| 69 | 313 debug(_("Saving file in %s."), self.data["dest_path"]) |
| 0 | 314 self.dest_file = open(self.data["dest_path"], 'w') |
| 315 self.state = STATE_TARGET_READY | |
| 64 | 316 self.activateCB(self.target_jid, self.initiator_jid, self.sid, self.IQ_id, self.xmlstream) |
| 0 | 317 |
| 318 | |
| 319 except struct.error, why: | |
| 320 return None | |
| 321 | |
| 322 def connectionMade(self): | |
| 323 debug("connectionMade (mode = %s)" % self.mode) | |
| 324 self.host.registerProgressCB(self.transfert_id, self.getProgress) | |
| 325 | |
| 326 if self.mode == "target": | |
| 327 self.state = STATE_TARGET_INITIAL | |
| 328 self._startNegotiation() | |
| 329 | |
| 330 def connectRequested(self, addr, port): | |
| 69 | 331 debug("connectRequested") |
| 0 | 332 # Check for special connect to the namespace -- this signifies that the client |
| 333 # is just checking to ensure it can connect to the streamhost | |
| 334 if addr == "http://jabber.org/protocol/bytestreams": | |
| 335 self.connectCompleted(addr, 0) | |
| 336 self.transport.loseConnection() | |
| 337 return | |
| 338 | |
| 339 # Save addr, for cleanup | |
| 340 self.addr = addr | |
| 341 | |
| 342 # Check to see if the requested address is already | |
| 343 # activated -- send an error if so | |
| 344 if addr in self.activeConns: | |
| 345 self.sendErrorReply(socks5.REPLY_CONN_NOT_ALLOWED) | |
| 346 return | |
| 347 | |
| 348 # Add this address to the pending connections | |
| 349 if self.addConnection(addr, self): | |
| 350 self.connectCompleted(addr, 0) | |
| 351 self.transport.stopReading() | |
| 352 else: | |
| 353 self.sendErrorReply(socks5.REPLY_CONN_REFUSED) | |
| 354 | |
| 355 def getProgress(self, data): | |
| 356 """Fill data with position of current transfert""" | |
| 357 try: | |
| 358 data["position"] = str(self.dest_file.tell()) | |
|
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359 data["size"] = self.filesize |
| 0 | 360 except (ValueError, AttributeError): |
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361 pass |
| 0 | 362 |
| 363 def fileTransfered(self, d): | |
| 69 | 364 info(_("File transfer completed, closing connection")) |
| 0 | 365 self.transport.loseConnection() |
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366 try: |
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367 self.dest_file.close() |
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368 except: |
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369 pass |
| 0 | 370 |
| 371 def updateTransfered(self, data): | |
| 372 self.transfered+=len(data) | |
| 373 return data | |
| 374 | |
| 375 def connectCompleted(self, remotehost, remoteport): | |
| 376 debug("connectCompleted") | |
| 377 if self.addressType == ADDR_IPV4: | |
| 378 result = struct.pack('!BBBBIH', SOCKS5_VER, REPLY_SUCCESS, 0, 1, remotehost, remoteport) | |
| 379 elif self.addressType == ADDR_DOMAINNAME: | |
| 380 result = struct.pack('!BBBBB%dsH' % len(remotehost), SOCKS5_VER, REPLY_SUCCESS, 0, | |
| 381 ADDR_DOMAINNAME, len(remotehost), remotehost, remoteport) | |
| 382 self.transport.write(result) | |
| 383 self.state = STATE_READY | |
| 384 self.dest_file=open(self.filepath) | |
| 385 d=self.beginFileTransfer(self.dest_file, self.transport, self.updateTransfered) | |
| 386 d.addCallback(self.fileTransfered) | |
| 387 | |
| 388 def bindRequested(self, addr, port): | |
| 389 pass | |
| 390 | |
| 391 def authenticateUserPass(self, user, passwd): | |
| 392 debug("User/pass: %s/%s", user, passwd) | |
| 393 return True | |
| 394 | |
| 395 def dataReceived(self, buf): | |
| 396 if self.state == STATE_TARGET_READY: | |
| 397 self.dest_file.write(buf) | |
| 398 self.transfered+=len(buf) | |
| 399 return | |
| 400 | |
| 401 self.buf = self.buf + buf | |
| 402 if self.state == STATE_INITIAL: | |
| 403 self._parseNegotiation() | |
| 404 if self.state == STATE_AUTH_USERPASS: | |
| 405 self._parseUserPass() | |
| 406 if self.state == STATE_REQUEST: | |
| 407 self._parseRequest() | |
| 408 if self.state == STATE_TARGET_AUTH: | |
| 409 ver, method = struct.unpack('!BB', buf) | |
| 410 self.buf = self.buf[2:] | |
| 411 if ver!=SOCKS5_VER or method!=AUTHMECH_ANON: | |
| 412 self.transport.loseConnection() | |
| 413 else: | |
| 414 self._makeRequest() | |
| 415 if self.state == STATE_TARGET_REQUEST: | |
| 416 self._parseRequestReply() | |
| 417 | |
| 418 | |
| 419 def clientConnectionLost(self, reason): | |
| 420 debug("clientConnectionLost") | |
| 421 self.transport.loseConnection() | |
| 422 | |
| 423 def connectionLost(self, reason): | |
| 424 debug("connectionLost") | |
| 425 self.host.removeProgressCB(self.transfert_id) | |
| 426 if self.state == STATE_CONNECT_PENDING: | |
| 427 self.removePendingConnection(self.addr, self) | |
| 428 else: | |
| 429 self.transport.unregisterProducer() | |
| 430 if self.peersock != None: | |
| 431 self.peersock.peersock = None | |
| 432 self.peersock.transport.unregisterProducer() | |
| 433 self.peersock = None | |
| 434 self.removeActiveConnection(self.addr) | |
| 435 | |
| 436 class Socks5ServerFactory(protocol.ServerFactory): | |
| 437 protocol = SOCKSv5 | |
| 438 protocol.mode = "initiator" #FIXME: Q&D way, fix it | |
| 439 | |
| 440 | |
| 441 def startedConnecting(self, connector): | |
| 69 | 442 debug (_("Socks 5 server connection started")) |
| 0 | 443 |
| 444 def clientConnectionLost(self, connector, reason): | |
| 69 | 445 debug (_("Socks 5 server connection lost (reason: %s)"), reason) |
| 0 | 446 |
| 447 class Socks5ClientFactory(protocol.ClientFactory): | |
| 448 protocol = SOCKSv5 | |
| 449 protocol.mode = "target" #FIXME: Q&D way, fix it | |
| 450 | |
| 451 def startedConnecting(self, connector): | |
| 69 | 452 debug (_("Socks 5 client connection started")) |
| 0 | 453 |
| 454 def clientConnectionLost(self, connector, reason): | |
| 69 | 455 debug (_("Socks 5 client connection lost (reason: %s)"), reason) |
| 0 | 456 |
| 457 | |
| 64 | 458 class XEP_0065(): |
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459 |
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460 params = """ |
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461 <params> |
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462 <general> |
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463 <category name="File Transfert"> |
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464 <param name="IP" value='0.0.0.0' default_cb='yes' type="string" /> |
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465 <param name="Port" value="28915" type="string" /> |
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466 </category> |
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467 </general> |
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468 </params> |
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469 """ |
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470 |
| 0 | 471 def __init__(self, host): |
| 69 | 472 info(_("Plugin XEP_0065 initialization")) |
| 0 | 473 self.host = host |
| 69 | 474 debug(_("registering")) |
| 0 | 475 self.server_factory = Socks5ServerFactory() |
| 476 self.server_factory.protocol.host = self.host #needed for progress CB | |
| 477 self.client_factory = Socks5ClientFactory() | |
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478 |
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479 #parameters |
| 38 | 480 host.memory.importParams(XEP_0065.params) |
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481 host.memory.setDefault("IP", "File Transfert", self.getExternalIP) |
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482 |
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483 port = int(self.host.memory.getParamA("Port", "File Transfert")) |
| 69 | 484 info(_("Launching Socks5 Stream server on port %d"), port) |
| 0 | 485 reactor.listenTCP(port, self.server_factory) |
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486 |
| 72 | 487 def getHandler(self, profile): |
| 64 | 488 return XEP_0065_handler(self) |
| 489 | |
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490 def getExternalIP(self): |
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491 """Return IP visible from outside, by asking to a website""" |
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492 return getPage("http://www.goffi.org/sat_tools/get_ip.php") |
| 0 | 493 |
| 494 def setData(self, data, id): | |
| 495 self.data = data | |
| 496 self.transfert_id = id | |
| 497 | |
| 498 def sendFile(self, id, filepath, size): | |
| 499 #lauching socks5 initiator | |
| 69 | 500 debug(_("Launching socks5 initiator")) |
| 0 | 501 self.server_factory.protocol.mode = "initiator" |
| 502 self.server_factory.protocol.filepath = filepath | |
| 503 self.server_factory.protocol.filesize = size | |
| 504 self.server_factory.protocol.transfert_id = id | |
| 505 | |
| 64 | 506 def getFile(self, iq, profile_key='@DEFAULT@'): |
| 0 | 507 """Get file using byte stream""" |
| 64 | 508 client = self.host.getClient(profile_key) |
| 509 assert(client) | |
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510 iq.handled = True |
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511 SI_elem = iq.firstChildElement() |
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512 IQ_id = iq['id'] |
| 0 | 513 for element in SI_elem.elements(): |
| 514 if element.name == "streamhost": | |
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515 info (_("Stream proposed: host=[%(host)s] port=[%(port)s]") % {'host':element['host'], 'port':element['port']}) |
| 0 | 516 factory = self.client_factory |
| 517 self.server_factory.protocol.mode = "target" | |
| 518 factory.protocol.host = self.host #needed for progress CB | |
| 64 | 519 factory.protocol.xmlstream = client.xmlstream |
| 0 | 520 factory.protocol.data = self.data |
| 521 factory.protocol.transfert_id = self.transfert_id | |
| 522 factory.protocol.filesize = self.data["size"] | |
| 523 factory.protocol.sid = SI_elem['sid'] | |
| 524 factory.protocol.initiator_jid = element['jid'] | |
| 64 | 525 factory.protocol.target_jid = client.jid.full() |
| 0 | 526 factory.protocol.IQ_id = IQ_id |
| 527 factory.protocol.activateCB = self.activateStream | |
| 528 reactor.connectTCP(element['host'], int(element['port']), factory) | |
| 529 | |
| 64 | 530 def activateStream(self, from_jid, to_jid, sid, IQ_id, xmlstream): |
| 69 | 531 debug(_("activating stream")) |
| 0 | 532 result = domish.Element(('', 'iq')) |
| 533 result['type'] = 'result' | |
| 534 result['id'] = IQ_id | |
| 535 result['from'] = from_jid | |
| 536 result['to'] = to_jid | |
| 537 query = result.addElement('query', 'http://jabber.org/protocol/bytestreams') | |
| 538 query['sid'] = sid | |
| 539 streamhost = query.addElement('streamhost-used') | |
| 540 streamhost['jid'] = to_jid #FIXME: use real streamhost | |
| 64 | 541 xmlstream.send(result) |
| 0 | 542 |
| 64 | 543 class XEP_0065_handler(XMPPHandler): |
| 544 implements(iwokkel.IDisco) | |
| 545 | |
| 546 def __init__(self, plugin_parent): | |
| 547 self.plugin_parent = plugin_parent | |
| 548 self.host = plugin_parent.host | |
| 549 | |
| 550 def connectionInitialized(self): | |
| 551 self.xmlstream.addObserver(BS_REQUEST, self.plugin_parent.getFile) | |
| 552 | |
| 553 | |
| 554 def getDiscoInfo(self, requestor, target, nodeIdentifier=''): | |
| 555 return [disco.DiscoFeature(NS_BS)] | |
| 556 | |
| 557 def getDiscoItems(self, requestor, target, nodeIdentifier=''): | |
| 558 return [] |