Mercurial > libervia-backend
annotate sat/plugins/plugin_xep_0096.py @ 3249:f16c96c7a91a
core (xmpp): helper method to launch a plugin method:
the `p` client method can be used to launch a method for a plugin, with a default value if
the plugin is not available (or an Exception to raise).
author | Goffi <goffi@goffi.org> |
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date | Fri, 03 Apr 2020 18:02:31 +0200 |
parents | 559a625a236b |
children | 893582c2d983 |
rev | line source |
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3028 | 1 #!/usr/bin/env python3 |
3137 | 2 |
0 | 3 |
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4 # SAT plugin for managing xep-0096 |
3136 | 5 # Copyright (C) 2009-2020 Jérôme Poisson (goffi@goffi.org) |
0 | 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. |
0 | 11 |
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12 # This program is distributed in the hope that it will be useful, |
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13 # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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15 # GNU Affero General Public License for more details. |
0 | 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/>. |
0 | 19 |
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20 from sat.core.i18n import _, D_ |
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21 from sat.core.constants import Const as C |
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22 from sat.core.log import getLogger |
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23 |
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24 log = getLogger(__name__) |
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25 from sat.core import exceptions |
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26 from sat.tools import xml_tools |
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27 from sat.tools import stream |
0 | 28 from twisted.words.xish import domish |
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29 from twisted.words.protocols.jabber import jid |
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30 from twisted.words.protocols.jabber import error |
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31 import os |
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32 |
0 | 33 |
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34 NS_SI_FT = "http://jabber.org/protocol/si/profile/file-transfer" |
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35 IQ_SET = '/iq[@type="set"]' |
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36 SI_PROFILE_NAME = "file-transfer" |
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37 SI_PROFILE = "http://jabber.org/protocol/si/profile/" + SI_PROFILE_NAME |
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38 |
0 | 39 PLUGIN_INFO = { |
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40 C.PI_NAME: "XEP-0096 Plugin", |
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41 C.PI_IMPORT_NAME: "XEP-0096", |
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42 C.PI_TYPE: "XEP", |
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43 C.PI_PROTOCOLS: ["XEP-0096"], |
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44 C.PI_DEPENDENCIES: ["XEP-0020", "XEP-0095", "XEP-0065", "XEP-0047", "FILE"], |
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45 C.PI_MAIN: "XEP_0096", |
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46 C.PI_HANDLER: "no", |
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47 C.PI_DESCRIPTION: _("""Implementation of SI File Transfer"""), |
0 | 48 } |
49 | |
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50 |
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51 class XEP_0096(object): |
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52 # TODO: call self._f.unregister when unloading order will be managing (i.e. when depenencies will be unloaded at the end) |
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53 |
0 | 54 def __init__(self, host): |
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55 log.info(_("Plugin XEP_0096 initialization")) |
0 | 56 self.host = host |
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57 self.managed_stream_m = [ |
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58 self.host.plugins["XEP-0065"].NAMESPACE, |
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59 self.host.plugins["XEP-0047"].NAMESPACE, |
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60 ] # Stream methods managed |
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61 self._f = self.host.plugins["FILE"] |
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62 self._f.register( |
3028 | 63 NS_SI_FT, self.sendFile, priority=0, method_name="Stream Initiation" |
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64 ) |
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65 self._si = self.host.plugins["XEP-0095"] |
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66 self._si.registerSIProfile(SI_PROFILE_NAME, self._transferRequest) |
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67 host.bridge.addMethod( |
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68 "siSendFile", ".plugin", in_sign="sssss", out_sign="s", method=self._sendFile |
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69 ) |
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70 |
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71 def unload(self): |
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72 self._si.unregisterSIProfile(SI_PROFILE_NAME) |
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73 |
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74 def _badRequest(self, client, iq_elt, message=None): |
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75 """Send a bad-request error |
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76 |
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77 @param iq_elt(domish.Element): initial <IQ> element of the SI request |
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78 @param message(None, unicode): informational message to display in the logs |
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79 """ |
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80 if message is not None: |
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81 log.warning(message) |
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82 self._si.sendError(client, iq_elt, "bad-request") |
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83 |
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84 def _parseRange(self, parent_elt, file_size): |
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85 """find and parse <range/> element |
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86 |
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87 @param parent_elt(domish.Element): direct parent of the <range/> element |
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88 @return (tuple[bool, int, int]): a tuple with |
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89 - True if range is required |
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90 - range_offset |
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91 - range_length |
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92 """ |
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93 try: |
3028 | 94 range_elt = next(parent_elt.elements(NS_SI_FT, "range")) |
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95 except StopIteration: |
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96 range_ = False |
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97 range_offset = None |
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98 range_length = None |
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99 else: |
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100 range_ = True |
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101 |
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102 try: |
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103 range_offset = int(range_elt["offset"]) |
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104 except KeyError: |
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105 range_offset = 0 |
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106 |
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107 try: |
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108 range_length = int(range_elt["length"]) |
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109 except KeyError: |
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110 range_length = file_size |
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111 |
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112 if range_offset != 0 or range_length != file_size: |
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113 raise NotImplementedError # FIXME |
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114 |
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115 return range_, range_offset, range_length |
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116 |
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117 def _transferRequest(self, client, iq_elt, si_id, si_mime_type, si_elt): |
391 | 118 """Called when a file transfer is requested |
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119 |
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120 @param iq_elt(domish.Element): initial <IQ> element of the SI request |
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121 @param si_id(unicode): Stream Initiation session id |
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122 @param si_mime_type("unicode"): Mime type of the file (or default "application/octet-stream" if unknown) |
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123 @param si_elt(domish.Element): request |
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124 """ |
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125 log.info(_("XEP-0096 file transfer requested")) |
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126 peer_jid = jid.JID(iq_elt["from"]) |
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127 |
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128 try: |
3028 | 129 file_elt = next(si_elt.elements(NS_SI_FT, "file")) |
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130 except StopIteration: |
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131 return self._badRequest( |
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132 client, iq_elt, "No <file/> element found in SI File Transfer request" |
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133 ) |
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134 |
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135 try: |
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136 feature_elt = self.host.plugins["XEP-0020"].getFeatureElt(si_elt) |
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137 except exceptions.NotFound: |
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138 return self._badRequest( |
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139 client, iq_elt, "No <feature/> element found in SI File Transfer request" |
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140 ) |
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141 |
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142 try: |
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143 filename = file_elt["name"] |
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144 file_size = int(file_elt["size"]) |
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145 except (KeyError, ValueError): |
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146 return self._badRequest(client, iq_elt, "Malformed SI File Transfer request") |
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147 |
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148 file_date = file_elt.getAttribute("date") |
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149 file_hash = file_elt.getAttribute("hash") |
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150 |
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151 log.info( |
3028 | 152 "File proposed: name=[{name}] size={size}".format( |
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153 name=filename, size=file_size |
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154 ) |
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155 ) |
587
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156 |
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157 try: |
3028 | 158 file_desc = str(next(file_elt.elements(NS_SI_FT, "desc"))) |
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159 except StopIteration: |
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160 file_desc = "" |
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161 |
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162 try: |
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163 range_, range_offset, range_length = self._parseRange(file_elt, file_size) |
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164 except ValueError: |
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165 return self._badRequest(client, iq_elt, "Malformed SI File Transfer request") |
587
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166 |
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167 try: |
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168 stream_method = self.host.plugins["XEP-0020"].negotiate( |
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169 feature_elt, "stream-method", self.managed_stream_m, namespace=None |
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170 ) |
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171 except KeyError: |
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172 return self._badRequest(client, iq_elt, "No stream method found") |
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173 |
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174 if stream_method: |
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175 if stream_method == self.host.plugins["XEP-0065"].NAMESPACE: |
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176 plugin = self.host.plugins["XEP-0065"] |
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177 elif stream_method == self.host.plugins["XEP-0047"].NAMESPACE: |
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178 plugin = self.host.plugins["XEP-0047"] |
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179 else: |
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180 log.error( |
3028 | 181 "Unknown stream method, this should not happen at this stage, cancelling transfer" |
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182 ) |
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183 else: |
3028 | 184 log.warning("Can't find a valid stream method") |
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185 self._si.sendError(client, iq_elt, "not-acceptable") |
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186 return |
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187 |
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188 # if we are here, the transfer can start, we just need user's agreement |
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189 data = { |
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190 "name": filename, |
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191 "peer_jid": peer_jid, |
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192 "size": file_size, |
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193 "date": file_date, |
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194 "hash": file_hash, |
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195 "desc": file_desc, |
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196 "range": range_, |
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197 "range_offset": range_offset, |
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198 "range_length": range_length, |
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199 "si_id": si_id, |
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200 "progress_id": si_id, |
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201 "stream_method": stream_method, |
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202 "stream_plugin": plugin, |
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203 } |
0 | 204 |
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205 d = self._f.getDestDir(client, peer_jid, data, data, stream_object=True) |
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206 d.addCallback(self.confirmationCb, client, iq_elt, data) |
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207 |
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208 def confirmationCb(self, accepted, client, iq_elt, data): |
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209 """Called on confirmation answer |
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210 |
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211 @param accepted(bool): True if file transfer is accepted |
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212 @param iq_elt(domish.Element): initial SI request |
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213 @param data(dict): session data |
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214 """ |
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215 if not accepted: |
3028 | 216 log.info("File transfer declined") |
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217 self._si.sendError(client, iq_elt, "forbidden") |
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218 return |
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219 # data, timeout, stream_method, failed_methods = client._xep_0096_waiting_for_approval[sid] |
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220 # can_range = data['can_range'] == "True" |
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221 # range_offset = 0 |
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222 # if timeout.active(): |
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223 # timeout.cancel() |
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224 # try: |
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225 # dest_path = frontend_data['dest_path'] |
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226 # except KeyError: |
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227 # log.error(_('dest path not found in frontend_data')) |
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228 # del client._xep_0096_waiting_for_approval[sid] |
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229 # return |
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230 # if stream_method == self.host.plugins["XEP-0065"].NAMESPACE: |
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231 # plugin = self.host.plugins["XEP-0065"] |
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232 # elif stream_method == self.host.plugins["XEP-0047"].NAMESPACE: |
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233 # plugin = self.host.plugins["XEP-0047"] |
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234 # else: |
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235 # log.error(_("Unknown stream method, this should not happen at this stage, cancelling transfer")) |
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236 # del client._xep_0096_waiting_for_approval[sid] |
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237 # return |
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238 |
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239 # file_obj = self._getFileObject(dest_path, can_range) |
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240 # range_offset = file_obj.tell() |
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241 d = data["stream_plugin"].createSession( |
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242 client, data["stream_object"], client.jid, data["peer_jid"], data["si_id"] |
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243 ) |
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244 d.addCallback(self._transferCb, client, data) |
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245 d.addErrback(self._transferEb, client, data) |
0 | 246 |
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247 # we can send the iq result |
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248 feature_elt = self.host.plugins["XEP-0020"].chooseOption( |
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249 {"stream-method": data["stream_method"]}, namespace=None |
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250 ) |
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251 misc_elts = [] |
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252 misc_elts.append(domish.Element((SI_PROFILE, "file"))) |
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253 # if can_range: |
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254 # range_elt = domish.Element((None, "range")) |
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255 # range_elt['offset'] = str(range_offset) |
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256 # #TODO: manage range length |
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257 # misc_elts.append(range_elt) |
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258 self._si.acceptStream(client, iq_elt, feature_elt, misc_elts) |
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259 |
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260 def _transferCb(self, __, client, data): |
391 | 261 """Called by the stream method when transfer successfuly finished |
0 | 262 |
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263 @param data: session data |
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264 """ |
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265 # TODO: check hash |
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266 data["stream_object"].close() |
3028 | 267 log.info("Transfer {si_id} successfuly finished".format(**data)) |
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268 |
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269 def _transferEb(self, failure, client, data): |
391 | 270 """Called when something went wrong with the transfer |
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271 |
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272 @param id: stream id |
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273 @param data: session data |
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274 """ |
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275 log.warning( |
3028 | 276 "Transfer {si_id} failed: {reason}".format( |
277 reason=str(failure.value), **data | |
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278 ) |
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279 ) |
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280 data["stream_object"].close() |
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281 |
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282 def _sendFile(self, peer_jid_s, filepath, name, desc, profile=C.PROF_KEY_NONE): |
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283 client = self.host.getClient(profile) |
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284 return self.sendFile( |
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285 client, jid.JID(peer_jid_s), filepath, name or None, desc or None |
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286 ) |
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287 |
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288 def sendFile(self, client, peer_jid, filepath, name=None, desc=None, extra=None): |
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289 """Send a file using XEP-0096 |
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290 |
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291 @param peer_jid(jid.JID): recipient |
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292 @param filepath(str): absolute path to the file to send |
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293 @param name(unicode): name of the file to send |
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294 name must not contain "/" characters |
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295 @param desc: description of the file |
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296 @param extra: not used here |
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297 @return: an unique id to identify the transfer |
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298 """ |
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299 feature_elt = self.host.plugins["XEP-0020"].proposeFeatures( |
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300 {"stream-method": self.managed_stream_m}, namespace=None |
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301 ) |
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302 |
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303 file_transfer_elts = [] |
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304 |
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305 statinfo = os.stat(filepath) |
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306 file_elt = domish.Element((SI_PROFILE, "file")) |
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307 file_elt["name"] = name or os.path.basename(filepath) |
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308 assert "/" not in file_elt["name"] |
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309 size = statinfo.st_size |
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310 file_elt["size"] = str(size) |
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311 if desc: |
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312 file_elt.addElement("desc", content=desc) |
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313 file_transfer_elts.append(file_elt) |
0 | 314 |
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315 file_transfer_elts.append(domish.Element((None, "range"))) |
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316 |
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317 sid, offer_d = self._si.proposeStream( |
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318 client, peer_jid, SI_PROFILE, feature_elt, file_transfer_elts |
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319 ) |
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320 args = [filepath, sid, size, client] |
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321 offer_d.addCallbacks(self._fileCb, self._fileEb, args, None, args) |
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plugins XEP-0020, XEP-0065, XEP-0095, XEP-0096: fixed file copy with Stream Initiation:
Goffi <goffi@goffi.org>
parents:
1559
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322 return sid |
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plugins XEP-0020, XEP-0065, XEP-0095, XEP-0096: fixed file copy with Stream Initiation:
Goffi <goffi@goffi.org>
parents:
1559
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323 |
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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
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324 def _fileCb(self, result_tuple, filepath, sid, size, client): |
d04d7402b8e9
plugins XEP-0020, XEP-0065, XEP-0095, XEP-0096: fixed file copy with Stream Initiation:
Goffi <goffi@goffi.org>
parents:
1559
diff
changeset
|
325 iq_elt, si_elt = result_tuple |
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plugins XEP-0020, XEP-0065, XEP-0095, XEP-0096: fixed file copy with Stream Initiation:
Goffi <goffi@goffi.org>
parents:
1559
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326 |
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plugins XEP-0020, XEP-0065, XEP-0095, XEP-0096: fixed file copy with Stream Initiation:
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parents:
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327 try: |
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parents:
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328 feature_elt = self.host.plugins["XEP-0020"].getFeatureElt(si_elt) |
d04d7402b8e9
plugins XEP-0020, XEP-0065, XEP-0095, XEP-0096: fixed file copy with Stream Initiation:
Goffi <goffi@goffi.org>
parents:
1559
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329 except exceptions.NotFound: |
3028 | 330 log.warning("No <feature/> element found in result while expected") |
386
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plugins: plugin XEP-0096 update, use of XEP-0047 (IBB)
Goffi <goffi@goffi.org>
parents:
372
diff
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331 return |
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Goffi <goffi@goffi.org>
parents:
372
diff
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332 |
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333 choosed_options = self.host.plugins["XEP-0020"].getChoosedOptions( |
56f94936df1e
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334 feature_elt, namespace=None |
56f94936df1e
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2562
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335 ) |
386
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Goffi <goffi@goffi.org>
parents:
372
diff
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336 try: |
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plugins: plugin XEP-0096 update, use of XEP-0047 (IBB)
Goffi <goffi@goffi.org>
parents:
372
diff
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337 stream_method = choosed_options["stream-method"] |
deeebf697d9a
plugins: plugin XEP-0096 update, use of XEP-0047 (IBB)
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parents:
372
diff
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338 except KeyError: |
3028 | 339 log.warning("No stream method choosed") |
386
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plugins: plugin XEP-0096 update, use of XEP-0047 (IBB)
Goffi <goffi@goffi.org>
parents:
372
diff
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340 return |
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Goffi <goffi@goffi.org>
parents:
372
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341 |
1577
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plugins XEP-0020, XEP-0065, XEP-0095, XEP-0096: fixed file copy with Stream Initiation:
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parents:
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diff
changeset
|
342 try: |
3028 | 343 file_elt = next(si_elt.elements(NS_SI_FT, "file")) |
1577
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plugins XEP-0020, XEP-0065, XEP-0095, XEP-0096: fixed file copy with Stream Initiation:
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344 except StopIteration: |
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plugins XEP-0020, XEP-0065, XEP-0095, XEP-0096: fixed file copy with Stream Initiation:
Goffi <goffi@goffi.org>
parents:
1559
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345 pass |
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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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346 else: |
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Goffi <goffi@goffi.org>
parents:
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347 range_, range_offset, range_length = self._parseRange(file_elt, size) |
386
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Goffi <goffi@goffi.org>
parents:
372
diff
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348 |
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Goffi <goffi@goffi.org>
parents:
372
diff
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349 if stream_method == self.host.plugins["XEP-0065"].NAMESPACE: |
1559
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plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1524
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350 plugin = self.host.plugins["XEP-0065"] |
386
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parents:
372
diff
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351 elif stream_method == self.host.plugins["XEP-0047"].NAMESPACE: |
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parents:
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|
352 plugin = self.host.plugins["XEP-0047"] |
386
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plugins: plugin XEP-0096 update, use of XEP-0047 (IBB)
Goffi <goffi@goffi.org>
parents:
372
diff
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353 else: |
3028 | 354 log.warning("Invalid stream method received") |
1559
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plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
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|
355 return |
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plugin XEP-0065, XEP-0096: preparation for plugin XEP-0260 implementation:
Goffi <goffi@goffi.org>
parents:
1524
diff
changeset
|
356 |
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357 stream_object = stream.FileStreamObject( |
56f94936df1e
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358 self.host, client, filepath, uid=sid, size=size |
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changeset
|
359 ) |
2927
69e4716d6268
plugins (jingle) file transfer: use initial "from" attribute as local jid instead of client.jid:
Goffi <goffi@goffi.org>
parents:
2771
diff
changeset
|
360 d = plugin.startStream(client, stream_object, client.jid, |
69e4716d6268
plugins (jingle) file transfer: use initial "from" attribute as local jid instead of client.jid:
Goffi <goffi@goffi.org>
parents:
2771
diff
changeset
|
361 jid.JID(iq_elt["from"]), sid) |
2489
e2a7bb875957
plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
2483
diff
changeset
|
362 d.addCallback(self._sendCb, client, sid, stream_object) |
e2a7bb875957
plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
2483
diff
changeset
|
363 d.addErrback(self._sendEb, client, sid, stream_object) |
0 | 364 |
1577
d04d7402b8e9
plugins XEP-0020, XEP-0065, XEP-0095, XEP-0096: fixed file copy with Stream Initiation:
Goffi <goffi@goffi.org>
parents:
1559
diff
changeset
|
365 def _fileEb(self, failure, filepath, sid, size, client): |
d04d7402b8e9
plugins XEP-0020, XEP-0065, XEP-0095, XEP-0096: fixed file copy with Stream Initiation:
Goffi <goffi@goffi.org>
parents:
1559
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|
366 if failure.check(error.StanzaError): |
d04d7402b8e9
plugins XEP-0020, XEP-0065, XEP-0095, XEP-0096: fixed file copy with Stream Initiation:
Goffi <goffi@goffi.org>
parents:
1559
diff
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|
367 stanza_err = failure.value |
2624
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368 if stanza_err.code == "403" and stanza_err.condition == "forbidden": |
56f94936df1e
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369 from_s = stanza_err.stanza["from"] |
3028 | 370 log.info("File transfer refused by {}".format(from_s)) |
371 msg = D_("The contact {} has refused your file").format(from_s) | |
372 title = D_("File refused") | |
2046
b99bd02ea643
plugin XEP-0045, XEP-0054, XEP-0096: deprecated bridge method are not used anymore
Goffi <goffi@goffi.org>
parents:
1934
diff
changeset
|
373 xml_tools.quickNote(self.host, client, msg, title, C.XMLUI_DATA_LVL_INFO) |
1577
d04d7402b8e9
plugins XEP-0020, XEP-0065, XEP-0095, XEP-0096: fixed file copy with Stream Initiation:
Goffi <goffi@goffi.org>
parents:
1559
diff
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|
374 else: |
3028 | 375 log.warning(_("Error during file transfer")) |
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376 msg = D_( |
3028 | 377 "Something went wrong during the file transfer session initialisation: {reason}" |
378 ).format(reason=str(stanza_err)) | |
379 title = D_("File transfer error") | |
2046
b99bd02ea643
plugin XEP-0045, XEP-0054, XEP-0096: deprecated bridge method are not used anymore
Goffi <goffi@goffi.org>
parents:
1934
diff
changeset
|
380 xml_tools.quickNote(self.host, client, msg, title, C.XMLUI_DATA_LVL_ERROR) |
1577
d04d7402b8e9
plugins XEP-0020, XEP-0065, XEP-0095, XEP-0096: fixed file copy with Stream Initiation:
Goffi <goffi@goffi.org>
parents:
1559
diff
changeset
|
381 elif failure.check(exceptions.DataError): |
3028 | 382 log.warning("Invalid stanza received") |
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:
1559
diff
changeset
|
383 else: |
3028 | 384 log.error("Error while proposing stream: {}".format(failure)) |
587
952322b1d490
Remove trailing whitespaces.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
585
diff
changeset
|
385 |
2765
378188abe941
misc: replaced all "dummy" by the more conventional and readable "__" ("_" being used for gettext)
Goffi <goffi@goffi.org>
parents:
2624
diff
changeset
|
386 def _sendCb(self, __, client, sid, stream_object): |
2624
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|
387 log.info( |
3028 | 388 _("transfer {sid} successfuly finished [{profile}]").format( |
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diff
changeset
|
389 sid=sid, profile=client.profile |
56f94936df1e
code style reformatting using black
Goffi <goffi@goffi.org>
parents:
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diff
changeset
|
390 ) |
56f94936df1e
code style reformatting using black
Goffi <goffi@goffi.org>
parents:
2562
diff
changeset
|
391 ) |
2489
e2a7bb875957
plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
2483
diff
changeset
|
392 stream_object.close() |
64 | 393 |
2489
e2a7bb875957
plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
2483
diff
changeset
|
394 def _sendEb(self, failure, client, sid, stream_object): |
2624
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parents:
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diff
changeset
|
395 log.warning( |
3028 | 396 _("transfer {sid} failed [{profile}]: {reason}").format( |
397 sid=sid, profile=client.profile, reason=str(failure.value) | |
2624
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Goffi <goffi@goffi.org>
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diff
changeset
|
398 ) |
56f94936df1e
code style reformatting using black
Goffi <goffi@goffi.org>
parents:
2562
diff
changeset
|
399 ) |
2489
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plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
2483
diff
changeset
|
400 stream_object.close() |