Mercurial > libervia-backend
annotate src/plugins/plugin_exp_pipe.py @ 1397:96dd0ae1a850
quick_frontend (contact_list): rename QuickContactList.remove to QuickContactList.removeContact + remove the contact from _roster attribute (and not only from _cache)
author | souliane <souliane@mailoo.org> |
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date | Wed, 01 Apr 2015 22:07:28 +0200 |
parents | 069ad98b360d |
children | 3265a2639182 |
rev | line source |
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1 #!/usr/bin/python |
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2 # -*- coding: utf-8 -*- |
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3 |
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4 # SAT plugin for managing pipes (experimental) |
1396 | 5 # Copyright (C) 2009, 2010, 2011, 2012, 2013, 2014, 2015 Jérôme Poisson (goffi@goffi.org) |
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6 |
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7 # This program is free software: you can redistribute it and/or modify |
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8 # it under the terms of the GNU Affero General Public License as published by |
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9 # the Free Software Foundation, either version 3 of the License, or |
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10 # (at your option) any later version. |
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11 |
609
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12 # This program is distributed in the hope that it will be useful, |
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13 # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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15 # GNU Affero General Public License for more details. |
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16 |
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17 # You should have received a copy of the GNU Affero General Public License |
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18 # along with this program. If not, see <http://www.gnu.org/licenses/>. |
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19 |
771 | 20 from sat.core.i18n import _ |
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21 from sat.core.constants import Const as C |
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22 from sat.core.log import getLogger |
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23 log = getLogger(__name__) |
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24 from twisted.words.xish import domish |
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25 from twisted.words.protocols.jabber import jid |
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26 from twisted.words.protocols import jabber |
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27 from twisted.internet import reactor |
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28 |
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29 from wokkel import data_form |
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30 |
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31 IQ_SET = '/iq[@type="set"]' |
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32 PROFILE_NAME = "pipe-transfer" |
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33 PROFILE = "http://jabber.org/protocol/si/profile/" + PROFILE_NAME |
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34 |
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35 PLUGIN_INFO = { |
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36 "name": "Pipe Plugin", |
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37 "import_name": "EXP-PIPE", |
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38 "type": "EXP", |
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39 "protocols": ["EXP-PIPE"], |
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40 "dependencies": ["XEP-0020", "XEP-0095", "XEP-0065", "XEP-0047"], |
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41 "main": "Exp_Pipe", |
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42 "handler": "no", |
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43 "description": _("""Implementation of SI Pipe Transfer""") |
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44 } |
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45 |
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46 |
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47 class Exp_Pipe(object): |
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48 """This is a modified version of XEP-0096 to work with named pipes instead of files""" |
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49 |
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50 def __init__(self, host): |
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51 log.info(_("Plugin Pipe initialization")) |
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52 self.host = host |
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53 self.managed_stream_m = [self.host.plugins["XEP-0065"].NAMESPACE, |
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54 self.host.plugins["XEP-0047"].NAMESPACE] # Stream methods managed |
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55 self.host.plugins["XEP-0095"].registerSIProfile(PROFILE_NAME, self.transferRequest) |
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56 host.bridge.addMethod("pipeOut", ".plugin", in_sign='ssa{ss}s', out_sign='s', method=self.pipeOut) |
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57 |
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58 def profileConnected(self, profile): |
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59 client = self.host.getClient(profile) |
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60 client._pipe_waiting_for_approval = {} # key = id, value = [transfer data, IdelayedCall Reactor timeout, |
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61 # current stream method, [failed stream methods], profile] |
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62 |
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63 def _kill_id(self, approval_id, profile): |
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64 """Delete a waiting_for_approval id, called after timeout |
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65 @param approval_id: id of _pipe_waiting_for_approval""" |
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66 log.info(_("SI Pipe Transfer: TimeOut reached for id %s") % approval_id) |
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67 try: |
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68 client = self.host.getClient(profile) |
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69 del client._pipe_waiting_for_approval[approval_id] |
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70 except KeyError: |
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71 log.warning(_("kill id called on a non existant approval id")) |
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72 |
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73 def transferRequest(self, iq_id, from_jid, si_id, si_mime_type, si_el, profile): |
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74 """Called when a pipe transfer is requested |
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75 @param iq_id: id of the iq request |
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76 @param from_jid: jid of the sender |
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77 @param si_id: Stream Initiation session id |
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78 @param si_mime_type: Mime type of the pipe (or default "application/octet-stream" if unknown) |
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79 @param si_el: domish.Element of the request |
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80 @param profile: %(doc_profile)s""" |
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81 log.info(_("EXP-PIPE file transfer requested")) |
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82 log.debug(si_el.toXml()) |
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83 client = self.host.getClient(profile) |
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84 pipe_elts = filter(lambda elt: elt.name == 'pipe', si_el.elements()) |
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85 feature_elts = self.host.plugins["XEP-0020"].getFeatureElt(si_el) |
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86 |
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87 if not pipe_elts: |
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88 log.warning(_("No pipe element found")) |
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89 self.host.plugins["XEP-0095"].sendBadRequestError(iq_id, from_jid, profile) |
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90 return |
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91 |
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92 if feature_elts: |
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93 feature_el = feature_elts[0] |
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94 data_form.Form.fromElement(feature_el.firstChildElement()) |
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95 try: |
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96 stream_method = self.host.plugins["XEP-0020"].negociate(feature_el, 'stream-method', self.managed_stream_m) |
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97 except KeyError: |
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98 log.warning(_("No stream method found")) |
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99 self.host.plugins["XEP-0095"].sendBadRequestError(iq_id, from_jid, profile) |
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100 return |
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101 if not stream_method: |
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102 log.warning(_("Can't find a valid stream method")) |
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103 self.host.plugins["XEP-0095"].sendFailedError(iq_id, from_jid, profile) |
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104 return |
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105 else: |
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106 log.warning(_("No feature element found")) |
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107 self.host.plugins["XEP-0095"].sendBadRequestError(iq_id, from_jid, profile) |
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108 return |
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109 |
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110 #if we are here, the transfer can start, we just need user's agreement |
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111 data = {"id": iq_id, "from": from_jid} |
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112 client._pipe_waiting_for_approval[si_id] = [data, reactor.callLater(300, self._kill_id, si_id), stream_method, [], profile] |
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113 |
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114 self.host.askConfirmation(si_id, "PIPE_TRANSFER", data, self.confirmationCB, profile) |
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115 |
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116 def confirmationCB(self, sid, accepted, frontend_data, profile): |
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117 """Called on confirmation answer |
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118 @param sid: file transfer session id |
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119 @param accepted: True if file transfer is accepted |
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120 @param frontend_data: data sent by frontend""" |
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121 client = self.host.getClient(profile) |
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122 data, timeout, stream_method, failed_methods, profile = client._pipe_waiting_for_approval[sid] |
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123 if accepted: |
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124 if timeout.active(): |
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125 timeout.cancel() |
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126 try: |
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127 dest_path = frontend_data['dest_path'] |
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128 except KeyError: |
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129 log.error(_('dest path not found in frontend_data')) |
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130 del(client._pipe_waiting_for_approval[sid]) |
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131 return |
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132 if stream_method == self.host.plugins["XEP-0065"].NAMESPACE: |
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133 file_obj = open(dest_path, 'w+') |
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134 self.host.plugins["XEP-0065"].prepareToReceive(jid.JID(data['from']), sid, file_obj, None, self._transferSucceeded, self._transferFailed, profile) |
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135 elif stream_method == self.host.plugins["XEP-0047"].NAMESPACE: |
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136 file_obj = open(dest_path, 'w+') |
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137 self.host.plugins["XEP-0047"].prepareToReceive(jid.JID(data['from']), sid, file_obj, None, self._transferSucceeded, self._transferFailed, profile) |
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138 else: |
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139 log.error(_("Unknown stream method, this should not happen at this stage, cancelling transfer")) |
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140 del(client._pipe_waiting_for_approval[sid]) |
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141 return |
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142 |
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143 #we can send the iq result |
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144 feature_elt = self.host.plugins["XEP-0020"].chooseOption({'stream-method': stream_method}) |
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145 misc_elts = [] |
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146 misc_elts.append(domish.Element((PROFILE, "file"))) |
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147 self.host.plugins["XEP-0095"].acceptStream(data["id"], data['from'], feature_elt, misc_elts, profile) |
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148 else: |
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149 log.debug(_("Transfer [%s] refused"), sid) |
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150 self.host.plugins["XEP-0095"].sendRejectedError(data["id"], data['from'], profile=profile) |
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151 del(client._pipe_waiting_for_approval[sid]) |
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152 |
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153 def _transferSucceeded(self, sid, file_obj, stream_method, profile): |
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154 """Called by the stream method when transfer successfuly finished |
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155 @param id: stream id""" |
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156 client = self.host.getClient(profile) |
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157 file_obj.close() |
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158 log.info(_('Transfer %s successfuly finished') % sid) |
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159 del(client._pipe_waiting_for_approval[sid]) |
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160 |
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161 def _transferFailed(self, sid, file_obj, stream_method, reason, profile): |
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162 """Called when something went wrong with the transfer |
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163 @param id: stream id |
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164 @param reason: can be TIMEOUT, IO_ERROR, PROTOCOL_ERROR""" |
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165 client = self.host.getClient(profile) |
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166 data, timeout, stream_method, failed_methods, profile = client._pipe_waiting_for_approval[sid] |
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167 log.warning(_('Transfer %(id)s failed with stream method %(s_method)s') % {'id': sid, |
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168 's_method': stream_method}) |
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169 # filepath = file_obj.name |
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170 file_obj.close() |
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171 #TODO: session remenber (within a time limit) when a stream method fail, and avoid that stream method with full jid for the rest of the session |
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172 log.warning(_("All stream methods failed, can't transfer the file")) |
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173 del(client._pipe_waiting_for_approval[sid]) |
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174 |
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175 def pipeCb(self, filepath, sid, profile, IQ): |
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176 if IQ['type'] == "error": |
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177 stanza_err = jabber.error.exceptionFromStanza(IQ) |
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178 if stanza_err.code == '403' and stanza_err.condition == 'forbidden': |
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179 log.debug(_("Pipe transfer refused by %s") % IQ['from']) |
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180 self.host.bridge.newAlert(_("The contact %s refused your pipe stream") % IQ['from'], _("Pipe stream refused"), "INFO", profile) |
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181 else: |
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182 log.warning(_("Error during pipe stream transfer with %s") % IQ['from']) |
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183 self.host.bridge.newAlert(_("Something went wrong during the pipe stream session intialisation with %s") % IQ['from'], _("Pipe stream error"), "ERROR", profile) |
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184 return |
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185 |
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186 si_elt = IQ.firstChildElement() |
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187 |
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188 if IQ['type'] != "result" or not si_elt or si_elt.name != "si": |
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189 log.error(_("Protocol error during file transfer")) |
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190 return |
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changeset
|
191 |
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192 feature_elts = self.host.plugins["XEP-0020"].getFeatureElt(si_elt) |
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193 if not feature_elts: |
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194 log.warning(_("No feature element")) |
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|
195 return |
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diff
changeset
|
196 |
401
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197 choosed_options = self.host.plugins["XEP-0020"].getChoosedOptions(feature_elts[0]) |
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198 try: |
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199 stream_method = choosed_options["stream-method"] |
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200 except KeyError: |
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201 log.warning(_("No stream method choosed")) |
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202 return |
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changeset
|
203 |
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204 if stream_method == self.host.plugins["XEP-0065"].NAMESPACE: |
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205 #fd = os.open(filepath, os.O_RDONLY | os.O_NONBLOCK) #XXX: non blocking openingl cause issues with XEP-0065's FileSender |
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206 #file_obj = os.fdopen(fd, 'r') |
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207 file_obj = open(filepath, 'r') # XXX: we have to be sure that filepath is well opened, as reading can block it |
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208 self.host.plugins["XEP-0065"].startStream(file_obj, jid.JID(IQ['from']), sid, None, self.sendSuccessCb, self.sendFailureCb, None, profile) |
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209 elif stream_method == self.host.plugins["XEP-0047"].NAMESPACE: |
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210 #fd = os.open(filepath, os.O_RDONLY | os.O_NONBLOCK) #XXX: non blocking openingl cause issues with XEP-0065's FileSender |
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211 #file_obj = os.fdopen(fd, 'r') |
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changeset
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212 file_obj = open(filepath, 'r') # XXX: we have to be sure that filepath is well opened, as reading can block it |
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213 self.host.plugins["XEP-0047"].startStream(file_obj, jid.JID(IQ['from']), sid, None, self.sendSuccessCb, self.sendFailureCb, None, profile) |
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214 else: |
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|
215 log.warning(_("Invalid stream method received")) |
401
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216 |
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1a759096ccbd
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811
diff
changeset
|
217 def pipeOut(self, to_jid, filepath, data={}, profile_key=C.PROF_KEY_NONE): |
401
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changeset
|
218 """send a file using EXP-PIPE |
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219 @to_jid: recipient |
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220 @filepath: absolute path to the named pipe to send |
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221 @data: dictionnary with the optional data |
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222 @param profile_key: %(doc_profile_key)s |
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223 @return: an unique id to identify the transfer |
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224 """ |
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225 profile = self.host.memory.getProfileName(profile_key) |
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226 if not profile: |
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227 log.warning(_("Trying to send a file from an unknown profile")) |
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228 return "" |
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229 feature_elt = self.host.plugins["XEP-0020"].proposeFeatures({'stream-method': self.managed_stream_m}) |
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230 |
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231 pipe_transfer_elts = [] |
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232 |
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233 pipe_elt = domish.Element((PROFILE, 'pipe')) |
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234 pipe_transfer_elts.append(pipe_elt) |
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235 |
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236 sid, offer = self.host.plugins["XEP-0095"].proposeStream(jid.JID(to_jid), PROFILE, feature_elt, pipe_transfer_elts, profile_key=profile) |
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237 offer.addCallback(self.pipeCb, filepath, sid, profile) |
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238 return sid |
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239 |
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240 def sendSuccessCb(self, sid, file_obj, stream_method, profile): |
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241 log.info(_('Transfer %s successfuly finished') % sid) |
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242 file_obj.close() |
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243 |
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244 def sendFailureCb(self, sid, file_obj, stream_method, reason, profile): |
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245 file_obj.close() |
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246 log.warning(_('Transfer %(id)s failed with stream method %(s_method)s %(profile)s') % {'id': sid, "s_method": stream_method, "profile": profile}) |