Mercurial > libervia-backend
annotate libervia/backend/plugins/plugin_xep_0234.py @ 4226:3f7ca590a5da
cli (pubsub): use `PEP` when service is not specified in error message.
| author | Goffi <goffi@goffi.org> |
|---|---|
| date | Tue, 05 Mar 2024 17:31:56 +0100 |
| parents | 5a0bddfa34ac |
| children | e11b13418ba6 |
| rev | line source |
|---|---|
| 3028 | 1 #!/usr/bin/env python3 |
| 3137 | 2 |
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3 # SàT plugin for Jingle File Transfer (XEP-0234) |
| 3479 | 4 # Copyright (C) 2009-2021 Jérôme Poisson (goffi@goffi.org) |
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5 |
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6 # This program is free software: you can redistribute it and/or modify |
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7 # it under the terms of the GNU Affero General Public License as published by |
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8 # the Free Software Foundation, either version 3 of the License, or |
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9 # (at your option) any later version. |
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10 |
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11 # This program is distributed in the hope that it will be useful, |
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12 # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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14 # GNU Affero General Public License for more details. |
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15 |
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16 # You should have received a copy of the GNU Affero General Public License |
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17 # along with this program. If not, see <http://www.gnu.org/licenses/>. |
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18 |
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19 from collections import namedtuple |
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20 import mimetypes |
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21 import os.path |
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22 |
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23 from twisted.internet import defer |
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24 from twisted.internet import reactor |
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25 from twisted.internet import error as internet_error |
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26 from twisted.python import failure |
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27 from twisted.words.protocols.jabber import jid |
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28 from twisted.words.protocols.jabber.xmlstream import XMPPHandler |
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29 from twisted.words.xish import domish |
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30 from wokkel import disco, iwokkel |
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31 from zope.interface import implementer |
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32 |
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33 from libervia.backend.core import exceptions |
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34 from libervia.backend.core.constants import Const as C |
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35 from libervia.backend.core.core_types import SatXMPPEntity |
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36 from libervia.backend.core.i18n import D_, _ |
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37 from libervia.backend.core.log import getLogger |
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38 from libervia.backend.tools import xml_tools |
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39 from libervia.backend.tools import utils |
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40 from libervia.backend.tools import stream |
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41 from libervia.backend.tools.common import date_utils |
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42 from libervia.backend.tools.common import regex |
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43 |
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44 from .plugin_xep_0166 import BaseApplicationHandler |
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45 |
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46 |
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47 log = getLogger(__name__) |
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48 |
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49 NS_JINGLE_FT = "urn:xmpp:jingle:apps:file-transfer:5" |
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50 |
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51 PLUGIN_INFO = { |
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52 C.PI_NAME: "Jingle File Transfer", |
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53 C.PI_IMPORT_NAME: "XEP-0234", |
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54 C.PI_TYPE: "XEP", |
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55 C.PI_MODES: C.PLUG_MODE_BOTH, |
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56 C.PI_PROTOCOLS: ["XEP-0234"], |
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57 C.PI_DEPENDENCIES: ["XEP-0166", "XEP-0300", "FILE"], |
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58 C.PI_MAIN: "XEP_0234", |
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59 C.PI_HANDLER: "yes", |
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60 C.PI_DESCRIPTION: _("""Implementation of Jingle File Transfer"""), |
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61 } |
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62 |
| 3040 | 63 EXTRA_ALLOWED = {"path", "namespace", "file_desc", "file_hash", "hash_algo"} |
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64 Range = namedtuple("Range", ("offset", "length")) |
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65 |
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66 |
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67 class XEP_0234(BaseApplicationHandler): |
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68 # TODO: assure everything is closed when file is sent or session terminate is received |
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69 # TODO: call self._f.unregister when unloading order will be managing (i.e. when |
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70 # dependencies will be unloaded at the end) |
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71 Range = Range # we copy the class here, so it can be used by other plugins |
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72 name = PLUGIN_INFO[C.PI_NAME] |
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73 human_name = D_("file transfer") |
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74 |
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75 def __init__(self, host): |
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76 log.info(_("plugin Jingle File Transfer initialization")) |
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77 self.host = host |
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78 host.register_namespace("jingle-ft", NS_JINGLE_FT) |
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79 self._j = host.plugins["XEP-0166"] # shortcut to access jingle |
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80 self._j.register_application(NS_JINGLE_FT, self) |
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81 self._f = host.plugins["FILE"] |
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82 self._f.register(self, priority=10000) |
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83 self._hash = self.host.plugins["XEP-0300"] |
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84 host.bridge.add_method( |
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85 "file_jingle_send", |
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86 ".plugin", |
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87 in_sign="ssssa{ss}s", |
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88 out_sign="", |
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89 method=self._file_send, |
| 3028 | 90 async_=True, |
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91 ) |
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92 host.bridge.add_method( |
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93 "file_jingle_request", |
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94 ".plugin", |
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95 in_sign="sssssa{ss}s", |
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96 out_sign="s", |
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97 method=self._file_jingle_request, |
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99 ) |
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100 |
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101 def get_handler(self, client): |
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102 return XEP_0234_handler() |
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103 |
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104 def get_progress_id(self, session, content_name): |
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105 """Return a unique progress ID |
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106 |
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107 @param session(dict): jingle session |
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108 @param content_name(unicode): name of the content |
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109 @return (unicode): unique progress id |
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110 """ |
| 3028 | 111 return "{}_{}".format(session["id"], content_name) |
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112 |
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113 async def can_handle_file_send(self, client, peer_jid, filepath): |
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114 if peer_jid.resource: |
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115 return await self.host.hasFeature(client, NS_JINGLE_FT, peer_jid) |
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116 else: |
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117 # if we have a bare jid, Jingle Message Initiation will be tried |
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118 return True |
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119 |
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120 # generic methods |
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121 |
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122 def build_file_element( |
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123 self, client, name=None, file_hash=None, hash_algo=None, size=None, |
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124 mime_type=None, desc=None, modified=None, transfer_range=None, path=None, |
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125 namespace=None, file_elt=None, **kwargs): |
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126 """Generate a <file> element with available metadata |
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127 |
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128 @param file_hash(unicode, None): hash of the file |
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129 empty string to set <hash-used/> element |
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130 @param hash_algo(unicode, None): hash algorithm used |
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131 if file_hash is None and hash_algo is set, a <hash-used/> element will be |
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132 generated |
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133 @param transfer_range(Range, None): where transfer must start/stop |
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134 @param modified(int, unicode, None): date of last modification |
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135 0 to use current date |
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136 int to use an unix timestamp |
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137 else must be an unicode string which will be used as it (it must be an XMPP |
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138 time) |
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139 @param file_elt(domish.Element, None): element to use |
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140 None to create a new one |
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141 @param **kwargs: data for plugin extension (ignored by default) |
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142 @return (domish.Element): generated element |
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143 @trigger XEP-0234_buildFileElement(file_elt, extra_args): can be used to extend |
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144 elements to add |
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145 """ |
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146 if file_elt is None: |
| 3028 | 147 file_elt = domish.Element((NS_JINGLE_FT, "file")) |
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148 for name, value in ( |
| 3028 | 149 ("name", name), |
| 150 ("size", size), | |
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151 ("media-type", mime_type), |
| 3028 | 152 ("desc", desc), |
| 153 ("path", path), | |
| 154 ("namespace", namespace), | |
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155 ): |
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156 if value is not None: |
| 3028 | 157 file_elt.addElement(name, content=str(value)) |
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158 |
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159 if modified is not None: |
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160 if isinstance(modified, int): |
| 3028 | 161 file_elt.addElement("date", utils.xmpp_date(modified or None)) |
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162 else: |
| 3028 | 163 file_elt.addElement("date", modified) |
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164 elif "created" in kwargs: |
| 3028 | 165 file_elt.addElement("date", utils.xmpp_date(kwargs.pop("created"))) |
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166 |
| 3028 | 167 range_elt = file_elt.addElement("range") |
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168 if transfer_range is not None: |
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169 if transfer_range.offset is not None: |
| 3028 | 170 range_elt["offset"] = transfer_range.offset |
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171 if transfer_range.length is not None: |
| 3028 | 172 range_elt["length"] = transfer_range.length |
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173 if file_hash is not None: |
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174 if not file_hash: |
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175 file_elt.addChild(self._hash.build_hash_used_elt()) |
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176 else: |
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177 file_elt.addChild(self._hash.build_hash_elt(file_hash, hash_algo)) |
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178 elif hash_algo is not None: |
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179 file_elt.addChild(self._hash.build_hash_used_elt(hash_algo)) |
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180 self.host.trigger.point( |
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181 "XEP-0234_buildFileElement", client, file_elt, extra_args=kwargs) |
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182 if kwargs: |
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183 for kw in kwargs: |
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184 log.debug("ignored keyword: {}".format(kw)) |
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185 return file_elt |
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186 |
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187 def build_file_element_from_dict(self, client, file_data, **kwargs): |
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188 """like build_file_element but get values from a file_data dict |
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189 |
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190 @param file_data(dict): metadata to use |
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191 @param **kwargs: data to override |
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192 """ |
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193 if kwargs: |
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194 file_data = file_data.copy() |
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195 file_data.update(kwargs) |
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196 try: |
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197 file_data["mime_type"] = ( |
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198 f'{file_data.pop("media_type")}/{file_data.pop("media_subtype")}' |
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199 ) |
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200 except KeyError: |
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201 pass |
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202 return self.build_file_element(client, **file_data) |
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203 |
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204 async def parse_file_element( |
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205 self, client, file_elt, file_data=None, given=False, parent_elt=None, |
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206 keep_empty_range=False): |
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207 """Parse a <file> element and file dictionary accordingly |
|
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208 |
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209 @param file_data(dict, None): dict where the data will be set |
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210 following keys will be set (and overwritten if they already exist): |
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211 name, file_hash, hash_algo, size, mime_type, desc, path, namespace, range |
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212 if None, a new dict is created |
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213 @param given(bool): if True, prefix hash key with "given_" |
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214 @param parent_elt(domish.Element, None): parent of the file element |
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215 if set, file_elt must not be set |
| 3040 | 216 @param keep_empty_range(bool): if True, keep empty range (i.e. range when offset |
| 217 and length are None). | |
| 218 Empty range is useful to know if a peer_jid can handle range | |
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219 @return (dict): file_data |
| 3040 | 220 @trigger XEP-0234_parseFileElement(file_elt, file_data): can be used to parse new |
| 221 elements | |
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222 @raise exceptions.NotFound: there is not <file> element in parent_elt |
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223 @raise exceptions.DataError: if file_elt uri is not NS_JINGLE_FT |
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224 """ |
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225 if parent_elt is not None: |
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226 if file_elt is not None: |
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227 raise exceptions.InternalError( |
| 3028 | 228 "file_elt must be None if parent_elt is set" |
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229 ) |
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230 try: |
| 3028 | 231 file_elt = next(parent_elt.elements(NS_JINGLE_FT, "file")) |
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232 except StopIteration: |
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233 raise exceptions.NotFound() |
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234 else: |
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235 if not file_elt or file_elt.uri != NS_JINGLE_FT: |
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236 raise exceptions.DataError( |
| 3028 | 237 "invalid <file> element: {stanza}".format(stanza=file_elt.toXml()) |
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238 ) |
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239 |
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240 if file_data is None: |
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241 file_data = {} |
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242 |
| 3028 | 243 for name in ("name", "desc", "path", "namespace"): |
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244 try: |
| 3028 | 245 file_data[name] = str(next(file_elt.elements(NS_JINGLE_FT, name))) |
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246 except StopIteration: |
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247 pass |
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248 |
| 3028 | 249 name = file_data.get("name") |
| 250 if name == "..": | |
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251 # we don't want to go to parent dir when joining to a path |
| 3028 | 252 name = "--" |
| 253 file_data["name"] = name | |
| 3040 | 254 elif name is not None and ("/" in name or "\\" in name): |
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255 file_data["name"] = regex.path_escape(name) |
|
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256 |
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257 try: |
| 3028 | 258 file_data["mime_type"] = str( |
| 259 next(file_elt.elements(NS_JINGLE_FT, "media-type")) | |
|
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260 ) |
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261 except StopIteration: |
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262 pass |
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263 |
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264 try: |
| 3028 | 265 file_data["size"] = int( |
| 266 str(next(file_elt.elements(NS_JINGLE_FT, "size"))) | |
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267 ) |
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268 except StopIteration: |
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269 pass |
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270 |
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271 try: |
| 3028 | 272 file_data["modified"] = date_utils.date_parse( |
| 273 next(file_elt.elements(NS_JINGLE_FT, "date")) | |
|
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274 ) |
|
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275 except StopIteration: |
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276 pass |
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277 |
|
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278 try: |
| 3028 | 279 range_elt = next(file_elt.elements(NS_JINGLE_FT, "range")) |
|
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280 except StopIteration: |
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281 pass |
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282 else: |
|
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283 offset = range_elt.getAttribute("offset") |
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284 length = range_elt.getAttribute("length") |
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285 if offset or length or keep_empty_range: |
| 3028 | 286 file_data["transfer_range"] = Range(offset=offset, length=length) |
|
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287 |
| 3028 | 288 prefix = "given_" if given else "" |
| 289 hash_algo_key, hash_key = "hash_algo", prefix + "file_hash" | |
|
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290 try: |
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291 file_data[hash_algo_key], file_data[hash_key] = self._hash.parse_hash_elt( |
|
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292 file_elt |
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293 ) |
|
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294 except exceptions.NotFound: |
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295 pass |
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296 |
|
3314
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component file sharing: add/parse affiliation when possible
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297 self.host.trigger.point("XEP-0234_parseFileElement", client, file_elt, file_data) |
|
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298 |
|
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299 return file_data |
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300 |
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301 # bridge methods |
|
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302 |
|
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303 def _file_send( |
|
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304 self, |
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305 peer_jid, |
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306 filepath, |
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307 name="", |
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308 file_desc="", |
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309 extra=None, |
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310 profile=C.PROF_KEY_NONE, |
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311 ): |
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312 client = self.host.get_client(profile) |
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313 return defer.ensureDeferred(self.file_send( |
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314 client, |
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315 jid.JID(peer_jid), |
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316 filepath, |
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317 name or None, |
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318 file_desc or None, |
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319 extra or None, |
|
3403
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320 )) |
|
1528
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plugin XEP-0234: jingle file transfer first draft
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321 |
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322 async def file_send( |
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323 self, client, peer_jid, filepath, name, file_desc=None, extra=None |
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324 ): |
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325 """Send a file using jingle file transfer |
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326 |
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327 @param peer_jid(jid.JID): destinee jid |
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328 @param filepath(str): absolute path of the file |
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329 @param name(unicode, None): name of the file |
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330 @param file_desc(unicode, None): description of the file |
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331 @return (D(unicode)): progress id |
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332 """ |
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333 progress_id_d = defer.Deferred() |
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334 if extra is None: |
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335 extra = {} |
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336 if file_desc is not None: |
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337 extra["file_desc"] = file_desc |
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338 encrypted = extra.pop("encrypted", False) |
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339 await self._j.initiate( |
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340 client, |
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341 peer_jid, |
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342 [ |
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343 { |
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344 "app_ns": NS_JINGLE_FT, |
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345 "senders": self._j.ROLE_INITIATOR, |
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346 "app_kwargs": { |
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347 "filepath": filepath, |
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348 "name": name, |
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349 "extra": extra, |
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350 "progress_id_d": progress_id_d, |
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351 }, |
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352 } |
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353 ], |
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354 encrypted = encrypted |
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355 ) |
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356 return await progress_id_d |
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357 |
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358 def _file_jingle_request( |
| 3040 | 359 self, peer_jid, filepath, name="", file_hash="", hash_algo="", extra=None, |
| 360 profile=C.PROF_KEY_NONE): | |
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361 client = self.host.get_client(profile) |
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362 return defer.ensureDeferred(self.file_jingle_request( |
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363 client, |
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364 jid.JID(peer_jid), |
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365 filepath, |
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366 name or None, |
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367 file_hash or None, |
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368 hash_algo or None, |
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369 extra or None, |
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370 )) |
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371 |
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372 async def file_jingle_request( |
| 3040 | 373 self, client, peer_jid, filepath, name=None, file_hash=None, hash_algo=None, |
| 374 extra=None): | |
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375 """Request a file using jingle file transfer |
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376 |
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377 @param peer_jid(jid.JID): destinee jid |
|
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378 @param filepath(str): absolute path where the file will be downloaded |
|
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379 @param name(unicode, None): name of the file |
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380 @param file_hash(unicode, None): hash of the file |
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381 @return (D(unicode)): progress id |
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382 """ |
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|
383 progress_id_d = defer.Deferred() |
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384 if extra is None: |
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385 extra = {} |
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386 if file_hash is not None: |
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|
387 if hash_algo is None: |
| 3028 | 388 raise ValueError(_("hash_algo must be set if file_hash is set")) |
|
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389 extra["file_hash"] = file_hash |
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390 extra["hash_algo"] = hash_algo |
|
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|
391 else: |
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|
392 if hash_algo is not None: |
| 3028 | 393 raise ValueError(_("file_hash must be set if hash_algo is set")) |
|
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|
394 await self._j.initiate( |
|
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395 client, |
|
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396 peer_jid, |
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397 [ |
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398 { |
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|
399 "app_ns": NS_JINGLE_FT, |
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400 "senders": self._j.ROLE_RESPONDER, |
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401 "app_kwargs": { |
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402 "filepath": filepath, |
|
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403 "name": name, |
|
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|
404 "extra": extra, |
|
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|
405 "progress_id_d": progress_id_d, |
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406 }, |
|
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407 } |
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408 ], |
|
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|
409 ) |
|
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|
410 return await progress_id_d |
|
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|
411 |
|
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|
412 # jingle callbacks |
|
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413 |
|
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|
414 async def jingle_preflight( |
|
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415 self, |
|
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416 client: SatXMPPEntity, |
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417 session: dict, |
|
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418 description_elt: domish.Element |
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419 ) -> None: |
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420 """Perform preflight checks for an incoming call session. |
|
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421 |
|
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|
422 Check if the calls is audio only or audio/video, then, prompts the user for |
|
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|
423 confirmation. |
|
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424 |
|
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|
425 @param client: The client instance. |
|
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|
426 @param session: Jingle session. |
|
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427 @param description_elt: The description element. It's parent attribute is used to |
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428 determine check siblings to see if it's an audio only or audio/video call. |
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parents:
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429 |
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430 @raises exceptions.CancelError: If the user doesn't accept the incoming call. |
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431 """ |
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432 session_id = session["id"] |
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433 peer_jid = session["peer_jid"] |
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434 # FIXME: has been moved from XEP-0353, but it doesn't handle correctly file |
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435 # transfer (metadata are not used). We must check with other clients what is |
|
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Goffi <goffi@goffi.org>
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436 # actually send, and if XEP-0353 is used, and do a better integration. |
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Goffi <goffi@goffi.org>
parents:
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|
437 |
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Goffi <goffi@goffi.org>
parents:
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438 if client.roster and peer_jid.userhostJID() not in client.roster: |
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Goffi <goffi@goffi.org>
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439 confirm_msg = D_( |
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440 "Somebody not in your contact list ({peer_jid}) wants to do a " |
|
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441 '"{human_name}" session with you, this would leak your presence and ' |
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442 "possibly you IP (internet localisation), do you accept?" |
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443 ).format(peer_jid=peer_jid, human_name=self.human_name) |
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444 confirm_title = D_("File sent from an unknown contact") |
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445 action_type = C.META_TYPE_NOT_IN_ROSTER_LEAK |
|
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446 action_subtype = None |
|
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447 else: |
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448 confirm_msg = D_( |
|
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449 "{peer_jid} wants to send a file to you, do you accept?" |
|
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450 ).format(peer_jid=peer_jid) |
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451 confirm_title = D_("File Proposed") |
|
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452 action_type = C.META_TYPE_CONFIRM |
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453 action_subtype = C.META_TYPE_FILE |
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454 action_extra = { |
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455 "type": action_type, |
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456 "session_id": session_id, |
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457 "from_jid": peer_jid.full(), |
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458 } |
|
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459 if action_subtype is not None: |
|
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parents:
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460 action_extra["subtype"] = action_subtype |
|
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461 accepted = await xml_tools.defer_confirm( |
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462 self.host, |
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parents:
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463 confirm_msg, |
|
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parents:
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464 confirm_title, |
|
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465 profile=client.profile, |
|
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466 action_extra=action_extra |
|
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467 ) |
|
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parents:
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468 if accepted: |
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parents:
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469 session["file_accepted"] = True |
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470 return accepted |
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|
471 |
|
4115
0da563780ffc
plugin XEP-0167, XEP-0353: handle ringing:
Goffi <goffi@goffi.org>
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472 async def jingle_preflight_info( |
|
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473 self, |
|
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changeset
|
474 client: SatXMPPEntity, |
|
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changeset
|
475 session: dict, |
|
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476 info_type: str, |
|
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changeset
|
477 info_data: dict|None = None |
|
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478 ) -> None: |
|
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plugin XEP-0167, XEP-0353: handle ringing:
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changeset
|
479 pass |
|
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plugin XEP-0167, XEP-0353: handle ringing:
Goffi <goffi@goffi.org>
parents:
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diff
changeset
|
480 |
|
4112
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plugin XEP-0166, XEP-0167, XEP-0234, XEP-0353: call events management to prepare for UI:
Goffi <goffi@goffi.org>
parents:
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diff
changeset
|
481 async def jingle_preflight_cancel( |
|
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482 self, |
|
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parents:
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changeset
|
483 client: SatXMPPEntity, |
|
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parents:
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changeset
|
484 session: dict, |
|
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parents:
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changeset
|
485 cancel_error: exceptions.CancelError |
|
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Goffi <goffi@goffi.org>
parents:
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|
486 ) -> None: |
|
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Goffi <goffi@goffi.org>
parents:
4071
diff
changeset
|
487 pass |
|
bc60875cb3b8
plugin XEP-0166, XEP-0167, XEP-0234, XEP-0353: call events management to prepare for UI:
Goffi <goffi@goffi.org>
parents:
4071
diff
changeset
|
488 |
|
4037
524856bd7b19
massive refactoring to switch from camelCase to snake_case:
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parents:
3969
diff
changeset
|
489 def jingle_description_elt( |
|
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|
490 self, client, session, content_name, filepath, name, extra, progress_id_d |
|
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changeset
|
491 ): |
|
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492 return domish.Element((NS_JINGLE_FT, "description")) |
|
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parents:
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diff
changeset
|
493 |
|
4037
524856bd7b19
massive refactoring to switch from camelCase to snake_case:
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changeset
|
494 def jingle_session_init( |
|
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495 self, client, session, content_name, filepath, name, extra, progress_id_d |
|
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changeset
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496 ): |
|
2502
7ad5f2c4e34a
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changeset
|
497 if extra is None: |
|
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changeset
|
498 extra = {} |
|
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parents:
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diff
changeset
|
499 else: |
|
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changeset
|
500 if not EXTRA_ALLOWED.issuperset(extra): |
|
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changeset
|
501 raise ValueError( |
| 3028 | 502 _("only the following keys are allowed in extra: {keys}").format( |
| 503 keys=", ".join(EXTRA_ALLOWED) | |
|
2624
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changeset
|
504 ) |
|
56f94936df1e
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Goffi <goffi@goffi.org>
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changeset
|
505 ) |
|
4037
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changeset
|
506 progress_id_d.callback(self.get_progress_id(session, content_name)) |
|
2624
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|
507 content_data = session["contents"][content_name] |
|
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|
508 application_data = content_data["application_data"] |
|
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|
509 assert "file_path" not in application_data |
|
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|
510 application_data["file_path"] = filepath |
|
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|
511 file_data = application_data["file_data"] = {} |
|
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|
512 desc_elt = self.jingle_description_elt( |
|
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diff
changeset
|
513 client, session, content_name, filepath, name, extra, progress_id_d) |
|
1528
1c71d7335d02
plugin XEP-0234: jingle file transfer first draft
Goffi <goffi@goffi.org>
parents:
diff
changeset
|
514 file_elt = desc_elt.addElement("file") |
|
2502
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2489
diff
changeset
|
515 |
| 3028 | 516 if content_data["senders"] == self._j.ROLE_INITIATOR: |
|
2502
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Goffi <goffi@goffi.org>
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2489
diff
changeset
|
517 # we send a file |
|
2512
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plugin XEP-0234: some cleaning + added triggers to allow plugins to change parsing/generation of <file> element
Goffi <goffi@goffi.org>
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2502
diff
changeset
|
518 if name is None: |
|
025afb04c10b
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Goffi <goffi@goffi.org>
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diff
changeset
|
519 name = os.path.basename(filepath) |
| 3028 | 520 file_data["date"] = utils.xmpp_date() |
| 521 file_data["desc"] = extra.pop("file_desc", "") | |
| 522 file_data["name"] = name | |
|
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changeset
|
523 mime_type = mimetypes.guess_type(name, strict=False)[0] |
|
025afb04c10b
plugin XEP-0234: some cleaning + added triggers to allow plugins to change parsing/generation of <file> element
Goffi <goffi@goffi.org>
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diff
changeset
|
524 if mime_type is not None: |
| 3028 | 525 file_data["mime_type"] = mime_type |
| 526 file_data["size"] = os.path.getsize(filepath) | |
| 527 if "namespace" in extra: | |
| 528 file_data["namespace"] = extra["namespace"] | |
| 529 if "path" in extra: | |
| 530 file_data["path"] = extra["path"] | |
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531 self.build_file_element_from_dict( |
|
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|
532 client, file_data, file_elt=file_elt, file_hash="") |
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533 else: |
|
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|
534 # we request a file |
| 3028 | 535 file_hash = extra.pop("file_hash", "") |
|
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|
536 if not name and not file_hash: |
| 3028 | 537 raise ValueError(_("you need to provide at least name or file hash")) |
|
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|
538 if name: |
| 3028 | 539 file_data["name"] = name |
|
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|
540 if file_hash: |
| 3028 | 541 file_data["file_hash"] = file_hash |
| 542 file_data["hash_algo"] = extra["hash_algo"] | |
|
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|
543 else: |
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|
544 file_data["hash_algo"] = self._hash.get_default_algo() |
| 3028 | 545 if "namespace" in extra: |
| 546 file_data["namespace"] = extra["namespace"] | |
| 547 if "path" in extra: | |
| 548 file_data["path"] = extra["path"] | |
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549 self.build_file_element_from_dict(client, file_data, file_elt=file_elt) |
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550 |
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551 return desc_elt |
|
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552 |
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|
553 async def jingle_request_confirmation( |
|
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554 self, |
|
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555 client: SatXMPPEntity, |
|
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556 action: str, |
|
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|
557 session: dict, |
|
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|
558 content_name: str, |
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|
559 desc_elt: domish.Element, |
|
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|
560 ): |
|
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|
561 """This method request confirmation for a jingle session""" |
|
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562 content_data = session["contents"][content_name] |
| 3028 | 563 senders = content_data["senders"] |
|
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|
564 if senders not in (self._j.ROLE_INITIATOR, self._j.ROLE_RESPONDER): |
| 3028 | 565 log.warning("Bad sender, assuming initiator") |
| 566 senders = content_data["senders"] = self._j.ROLE_INITIATOR | |
|
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|
567 # first we grab file informations |
|
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|
568 try: |
| 3028 | 569 file_elt = next(desc_elt.elements(NS_JINGLE_FT, "file")) |
|
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|
570 except StopIteration: |
|
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|
571 raise failure.Failure(exceptions.DataError) |
|
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|
572 file_data = {"progress_id": self.get_progress_id(session, content_name)} |
|
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|
573 |
|
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|
574 if senders == self._j.ROLE_RESPONDER: |
|
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|
575 # we send the file |
|
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|
576 return await self._file_sending_request_conf( |
|
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|
577 client, session, content_data, content_name, file_data, file_elt |
|
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|
578 ) |
|
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diff
changeset
|
579 else: |
|
7ad5f2c4e34a
XEP-0065,XEP-0096,XEP-0166,XEP-0235,XEP-0300: file transfer improvments:
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changeset
|
580 # we receive the file |
|
3969
8e7d5796fb23
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parents:
3859
diff
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|
581 return await self._file_receiving_request_conf( |
|
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|
582 client, session, content_data, content_name, file_data, file_elt |
|
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changeset
|
583 ) |
|
2502
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2489
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changeset
|
584 |
|
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changeset
|
585 async def _file_sending_request_conf( |
|
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|
586 self, client, session, content_data, content_name, file_data, file_elt |
|
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changeset
|
587 ): |
|
2502
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parents:
2489
diff
changeset
|
588 """parse file_elt, and handle file retrieving/permission checking""" |
|
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diff
changeset
|
589 await self.parse_file_element(client, file_elt, file_data) |
|
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|
590 content_data["application_data"]["file_data"] = file_data |
|
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changeset
|
591 finished_d = content_data["finished_d"] = defer.Deferred() |
|
2502
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XEP-0065,XEP-0096,XEP-0166,XEP-0235,XEP-0300: file transfer improvments:
Goffi <goffi@goffi.org>
parents:
2489
diff
changeset
|
592 |
|
7ad5f2c4e34a
XEP-0065,XEP-0096,XEP-0166,XEP-0235,XEP-0300: file transfer improvments:
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parents:
2489
diff
changeset
|
593 # confirmed_d is a deferred returning confimed value (only used if cont is False) |
|
4037
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diff
changeset
|
594 cont, confirmed_d = self.host.trigger.return_point( |
|
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changeset
|
595 "XEP-0234_fileSendingRequest", |
|
56f94936df1e
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diff
changeset
|
596 client, |
|
56f94936df1e
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diff
changeset
|
597 session, |
|
56f94936df1e
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changeset
|
598 content_data, |
|
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changeset
|
599 content_name, |
|
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changeset
|
600 file_data, |
|
56f94936df1e
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diff
changeset
|
601 file_elt, |
|
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diff
changeset
|
602 ) |
|
2502
7ad5f2c4e34a
XEP-0065,XEP-0096,XEP-0166,XEP-0235,XEP-0300: file transfer improvments:
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parents:
2489
diff
changeset
|
603 if not cont: |
|
3333
ac9342f359e9
plugin XEP-0329: download thumbnails:
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parents:
3314
diff
changeset
|
604 confirmed = await confirmed_d |
|
2502
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XEP-0065,XEP-0096,XEP-0166,XEP-0235,XEP-0300: file transfer improvments:
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parents:
2489
diff
changeset
|
605 if confirmed: |
|
7ad5f2c4e34a
XEP-0065,XEP-0096,XEP-0166,XEP-0235,XEP-0300: file transfer improvments:
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diff
changeset
|
606 args = [client, session, content_name, content_data] |
|
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|
607 finished_d.addCallbacks( |
|
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diff
changeset
|
608 self._finished_cb, self._finished_eb, args, None, args |
|
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diff
changeset
|
609 ) |
|
3333
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changeset
|
610 return confirmed |
|
2502
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parents:
2489
diff
changeset
|
611 |
| 3028 | 612 log.warning(_("File continue is not implemented yet")) |
|
3333
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changeset
|
613 return False |
|
2502
7ad5f2c4e34a
XEP-0065,XEP-0096,XEP-0166,XEP-0235,XEP-0300: file transfer improvments:
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parents:
2489
diff
changeset
|
614 |
|
3969
8e7d5796fb23
plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
3859
diff
changeset
|
615 async def _file_receiving_request_conf( |
|
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changeset
|
616 self, client, session, content_data, content_name, file_data, file_elt |
|
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|
617 ): |
|
2502
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parents:
2489
diff
changeset
|
618 """parse file_elt, and handle user permission/file opening""" |
|
4037
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diff
changeset
|
619 await self.parse_file_element(client, file_elt, file_data, given=True) |
|
2502
7ad5f2c4e34a
XEP-0065,XEP-0096,XEP-0166,XEP-0235,XEP-0300: file transfer improvments:
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parents:
2489
diff
changeset
|
620 try: |
|
4037
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3969
diff
changeset
|
621 hash_algo, file_data["given_file_hash"] = self._hash.parse_hash_elt(file_elt) |
|
2502
7ad5f2c4e34a
XEP-0065,XEP-0096,XEP-0166,XEP-0235,XEP-0300: file transfer improvments:
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parents:
2489
diff
changeset
|
622 except exceptions.NotFound: |
|
1528
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changeset
|
623 try: |
|
4037
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diff
changeset
|
624 hash_algo = self._hash.parse_hash_used_elt(file_elt) |
|
2502
7ad5f2c4e34a
XEP-0065,XEP-0096,XEP-0166,XEP-0235,XEP-0300: file transfer improvments:
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parents:
2489
diff
changeset
|
625 except exceptions.NotFound: |
|
7ad5f2c4e34a
XEP-0065,XEP-0096,XEP-0166,XEP-0235,XEP-0300: file transfer improvments:
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diff
changeset
|
626 raise failure.Failure(exceptions.DataError) |
|
1620
4dd07d026214
plugin XEP-0234: hash checksum proper handling
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1618
diff
changeset
|
627 |
|
4dd07d026214
plugin XEP-0234: hash checksum proper handling
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1618
diff
changeset
|
628 if hash_algo is not None: |
|
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|
629 file_data["hash_algo"] = hash_algo |
|
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changeset
|
630 file_data["hash_hasher"] = hasher = self._hash.get_hasher(hash_algo) |
|
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changeset
|
631 file_data["data_cb"] = lambda data: hasher.update(data) |
|
1620
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diff
changeset
|
632 |
|
4dd07d026214
plugin XEP-0234: hash checksum proper handling
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parents:
1618
diff
changeset
|
633 try: |
|
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changeset
|
634 file_data["size"] = int(file_data["size"]) |
|
1528
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diff
changeset
|
635 except ValueError: |
|
1c71d7335d02
plugin XEP-0234: jingle file transfer first draft
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parents:
diff
changeset
|
636 raise failure.Failure(exceptions.DataError) |
|
1c71d7335d02
plugin XEP-0234: jingle file transfer first draft
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parents:
diff
changeset
|
637 |
|
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638 name = file_data["name"] |
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639 if "/" in name or "\\" in name: |
|
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|
640 log.warning( |
| 3028 | 641 "File name contain path characters, we replace them: {}".format(name) |
|
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642 ) |
|
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|
643 file_data["name"] = name.replace("/", "_").replace("\\", "_") |
|
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|
644 |
|
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645 content_data["application_data"]["file_data"] = file_data |
|
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|
646 |
|
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|
647 # now we actualy request permission to user |
|
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babd97d80049
plugins XEP-0234, file: moved file request dialog to file plugin
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diff
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|
648 |
|
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|
649 # deferred to track end of transfer |
|
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650 finished_d = content_data["finished_d"] = defer.Deferred() |
|
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651 confirmed = await self._f.get_dest_dir( |
|
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652 client, session["peer_jid"], content_data, file_data, stream_object=True |
|
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653 ) |
|
3333
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|
654 if confirmed: |
|
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|
655 await self.host.trigger.async_point( |
|
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8e7d5796fb23
plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
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|
656 "XEP-0234_file_receiving_request_conf", |
|
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|
657 client, session, content_data, file_elt |
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|
658 ) |
|
3333
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|
659 args = [client, session, content_name, content_data] |
|
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|
660 finished_d.addCallbacks( |
|
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|
661 self._finished_cb, self._finished_eb, args, None, args |
|
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|
662 ) |
|
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|
663 return confirmed |
|
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|
664 |
|
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|
665 async def jingle_handler(self, client, action, session, content_name, desc_elt): |
|
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666 content_data = session["contents"][content_name] |
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667 application_data = content_data["application_data"] |
|
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changeset
|
668 if action in (self._j.A_ACCEPTED_ACK,): |
|
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|
669 pass |
|
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|
670 elif action == self._j.A_SESSION_INITIATE: |
| 3028 | 671 file_elt = next(desc_elt.elements(NS_JINGLE_FT, "file")) |
|
1556
cbfbe028d099
plugin XEP-0166, XEP-0234, XEP-0261:
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|
672 try: |
| 3028 | 673 next(file_elt.elements(NS_JINGLE_FT, "range")) |
|
1556
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|
674 except StopIteration: |
|
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changeset
|
675 # initiator doesn't manage <range>, but we do so we advertise it |
| 3040 | 676 # FIXME: to be checked |
|
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|
677 log.debug("adding <range> element") |
|
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|
678 file_elt.addElement("range") |
|
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|
679 elif action == self._j.A_SESSION_ACCEPT: |
|
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|
680 assert not "stream_object" in content_data |
|
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|
681 file_data = application_data["file_data"] |
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|
682 file_path = application_data["file_path"] |
| 3028 | 683 senders = content_data["senders"] |
| 684 if senders != session["role"]: | |
|
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changeset
|
685 # we are receiving the file |
|
7ad5f2c4e34a
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diff
changeset
|
686 try: |
|
7ad5f2c4e34a
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Goffi <goffi@goffi.org>
parents:
2489
diff
changeset
|
687 # did the responder specified the size of the file? |
| 3028 | 688 file_elt = next(desc_elt.elements(NS_JINGLE_FT, "file")) |
| 689 size_elt = next(file_elt.elements(NS_JINGLE_FT, "size")) | |
| 690 size = int(str(size_elt)) | |
|
2502
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diff
changeset
|
691 except (StopIteration, ValueError): |
|
7ad5f2c4e34a
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diff
changeset
|
692 size = None |
| 3040 | 693 # XXX: hash security is not critical here, so we just take the higher |
| 694 # mandatory one | |
|
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changeset
|
695 hasher = file_data["hash_hasher"] = self._hash.get_hasher() |
|
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diff
changeset
|
696 progress_id = self.get_progress_id(session, content_name) |
| 3040 | 697 try: |
| 698 content_data["stream_object"] = stream.FileStreamObject( | |
| 699 self.host, | |
| 700 client, | |
| 701 file_path, | |
| 702 mode="wb", | |
| 703 uid=progress_id, | |
| 704 size=size, | |
| 705 data_cb=lambda data: hasher.update(data), | |
| 706 ) | |
| 707 except Exception as e: | |
|
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changeset
|
708 self.host.bridge.progress_error( |
| 3040 | 709 progress_id, C.PROGRESS_ERROR_FAILED, client.profile |
| 710 ) | |
|
3969
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Goffi <goffi@goffi.org>
parents:
3859
diff
changeset
|
711 await self._j.terminate( |
| 3040 | 712 client, self._j.REASON_FAILED_APPLICATION, session) |
| 713 raise e | |
|
2502
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parents:
2489
diff
changeset
|
714 else: |
|
7ad5f2c4e34a
XEP-0065,XEP-0096,XEP-0166,XEP-0235,XEP-0300: file transfer improvments:
Goffi <goffi@goffi.org>
parents:
2489
diff
changeset
|
715 # we are sending the file |
|
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|
716 size = file_data["size"] |
| 3040 | 717 # XXX: hash security is not critical here, so we just take the higher |
| 718 # mandatory one | |
|
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diff
changeset
|
719 hasher = file_data["hash_hasher"] = self._hash.get_hasher() |
|
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changeset
|
720 content_data["stream_object"] = stream.FileStreamObject( |
|
2502
7ad5f2c4e34a
XEP-0065,XEP-0096,XEP-0166,XEP-0235,XEP-0300: file transfer improvments:
Goffi <goffi@goffi.org>
parents:
2489
diff
changeset
|
721 self.host, |
|
7ad5f2c4e34a
XEP-0065,XEP-0096,XEP-0166,XEP-0235,XEP-0300: file transfer improvments:
Goffi <goffi@goffi.org>
parents:
2489
diff
changeset
|
722 client, |
|
7ad5f2c4e34a
XEP-0065,XEP-0096,XEP-0166,XEP-0235,XEP-0300: file transfer improvments:
Goffi <goffi@goffi.org>
parents:
2489
diff
changeset
|
723 file_path, |
|
4037
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parents:
3969
diff
changeset
|
724 uid=self.get_progress_id(session, content_name), |
|
2502
7ad5f2c4e34a
XEP-0065,XEP-0096,XEP-0166,XEP-0235,XEP-0300: file transfer improvments:
Goffi <goffi@goffi.org>
parents:
2489
diff
changeset
|
725 size=size, |
|
7ad5f2c4e34a
XEP-0065,XEP-0096,XEP-0166,XEP-0235,XEP-0300: file transfer improvments:
Goffi <goffi@goffi.org>
parents:
2489
diff
changeset
|
726 data_cb=lambda data: hasher.update(data), |
|
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changeset
|
727 ) |
|
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diff
changeset
|
728 finished_d = content_data["finished_d"] = defer.Deferred() |
|
2489
e2a7bb875957
plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
2483
diff
changeset
|
729 args = [client, session, content_name, content_data] |
|
4037
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diff
changeset
|
730 finished_d.addCallbacks(self._finished_cb, self._finished_eb, args, None, args) |
|
524856bd7b19
massive refactoring to switch from camelCase to snake_case:
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parents:
3969
diff
changeset
|
731 await self.host.trigger.async_point( |
|
3969
8e7d5796fb23
plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
3859
diff
changeset
|
732 "XEP-0234_jingle_handler", |
|
8e7d5796fb23
plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
3859
diff
changeset
|
733 client, session, content_data, desc_elt |
|
8e7d5796fb23
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3859
diff
changeset
|
734 ) |
|
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parents:
diff
changeset
|
735 else: |
| 3028 | 736 log.warning("FIXME: unmanaged action {}".format(action)) |
|
3969
8e7d5796fb23
plugin XEP-0391: implement XEP-0391 (Jingle Encrypted Transports) + XEP-0396 (JET-OMEMO):
Goffi <goffi@goffi.org>
parents:
3859
diff
changeset
|
737 return desc_elt |
|
1528
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parents:
diff
changeset
|
738 |
|
4037
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3969
diff
changeset
|
739 def jingle_session_info(self, client, action, session, content_name, jingle_elt): |
|
1620
4dd07d026214
plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
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1618
diff
changeset
|
740 """Called on session-info action |
|
4dd07d026214
plugin XEP-0234: hash checksum proper handling
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parents:
1618
diff
changeset
|
741 |
|
4dd07d026214
plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents:
1618
diff
changeset
|
742 manage checksum, and ignore <received/> element |
|
4dd07d026214
plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents:
1618
diff
changeset
|
743 """ |
|
4dd07d026214
plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents:
1618
diff
changeset
|
744 # TODO: manage <received/> element |
|
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changeset
|
745 content_data = session["contents"][content_name] |
|
1620
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1618
diff
changeset
|
746 elts = [elt for elt in jingle_elt.elements() if elt.uri == NS_JINGLE_FT] |
|
4dd07d026214
plugin XEP-0234: hash checksum proper handling
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1618
diff
changeset
|
747 if not elts: |
|
4dd07d026214
plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
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1618
diff
changeset
|
748 return |
|
4dd07d026214
plugin XEP-0234: hash checksum proper handling
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1618
diff
changeset
|
749 for elt in elts: |
|
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changeset
|
750 if elt.name == "received": |
|
1620
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plugin XEP-0234: hash checksum proper handling
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parents:
1618
diff
changeset
|
751 pass |
|
2624
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changeset
|
752 elif elt.name == "checksum": |
|
1620
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plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
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1618
diff
changeset
|
753 # we have received the file hash, we need to parse it |
|
2624
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changeset
|
754 if content_data["senders"] == session["role"]: |
|
56f94936df1e
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diff
changeset
|
755 log.warning( |
| 3028 | 756 "unexpected checksum received while we are the file sender" |
|
2624
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diff
changeset
|
757 ) |
|
1620
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plugin XEP-0234: hash checksum proper handling
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1618
diff
changeset
|
758 raise exceptions.DataError |
|
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changeset
|
759 info_content_name = elt["name"] |
|
1620
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Goffi <goffi@goffi.org>
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1618
diff
changeset
|
760 if info_content_name != content_name: |
|
4dd07d026214
plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
parents:
1618
diff
changeset
|
761 # it was for an other content... |
|
4dd07d026214
plugin XEP-0234: hash checksum proper handling
Goffi <goffi@goffi.org>
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1618
diff
changeset
|
762 return |
|
2624
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763 file_data = content_data["application_data"]["file_data"] |
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764 try: |
|
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765 file_elt = next(elt.elements(NS_JINGLE_FT, "file")) |
|
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766 except StopIteration: |
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767 raise exceptions.DataError |
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768 algo, file_data["given_file_hash"] = self._hash.parse_hash_elt(file_elt) |
|
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769 if algo != file_data.get("hash_algo"): |
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770 log.warning( |
| 3028 | 771 "Hash algorithm used in given hash ({peer_algo}) doesn't correspond to the one we have used ({our_algo}) [{profile}]".format( |
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772 peer_algo=algo, |
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773 our_algo=file_data.get("hash_algo"), |
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774 profile=client.profile, |
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775 ) |
|
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776 ) |
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777 else: |
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778 self._receiver_try_terminate( |
|
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779 client, session, content_name, content_data |
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780 ) |
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781 else: |
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782 raise NotImplementedError |
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783 |
|
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|
784 def jingle_terminate(self, client, action, session, content_name, reason_elt): |
|
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|
785 if reason_elt.decline: |
|
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|
786 # progress is the only way to tell to frontends that session has been declined |
|
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787 progress_id = self.get_progress_id(session, content_name) |
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788 self.host.bridge.progress_error( |
|
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789 progress_id, C.PROGRESS_ERROR_DECLINED, client.profile |
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790 ) |
|
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791 elif not reason_elt.success: |
|
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792 progress_id = self.get_progress_id(session, content_name) |
|
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|
793 first_child = reason_elt.firstChildElement() |
| 3040 | 794 if first_child is not None: |
| 795 reason = first_child.name | |
|
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|
796 if reason_elt.text is not None: |
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797 reason = f"{reason} - {reason_elt.text}" |
| 3040 | 798 else: |
| 799 reason = C.PROGRESS_ERROR_FAILED | |
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800 self.host.bridge.progress_error( |
| 3040 | 801 progress_id, reason, client.profile |
| 802 ) | |
|
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|
803 |
|
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|
804 def _send_check_sum(self, client, session, content_name, content_data): |
|
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805 """Send the session-info with the hash checksum""" |
|
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806 file_data = content_data["application_data"]["file_data"] |
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807 hasher = file_data["hash_hasher"] |
|
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808 hash_ = hasher.hexdigest() |
| 3028 | 809 log.debug("Calculated hash: {}".format(hash_)) |
|
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|
810 iq_elt, jingle_elt = self._j.build_session_info(client, session) |
|
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811 checksum_elt = jingle_elt.addElement((NS_JINGLE_FT, "checksum")) |
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812 checksum_elt["creator"] = content_data["creator"] |
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813 checksum_elt["name"] = content_name |
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814 file_elt = checksum_elt.addElement("file") |
|
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|
815 file_elt.addChild(self._hash.build_hash_elt(hash_)) |
|
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|
816 iq_elt.send() |
|
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|
817 |
|
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|
818 def _receiver_try_terminate( |
|
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819 self, client, session, content_name, content_data, last_try=False |
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|
820 ): |
|
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|
821 """Try to terminate the session |
|
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|
822 |
|
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|
823 This method must only be used by the receiver. |
|
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|
824 It check if transfer is finished, and hash available, |
|
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|
825 if everything is OK, it check hash and terminate the session |
|
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|
826 @param last_try(bool): if True this mean than session must be terminated even given hash is not available |
|
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|
827 @return (bool): True if session was terminated |
|
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|
828 """ |
|
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|
829 if not content_data.get("transfer_finished", False): |
|
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|
830 return False |
|
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|
831 file_data = content_data["application_data"]["file_data"] |
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|
832 given_hash = file_data.get("given_file_hash") |
|
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|
833 if given_hash is None: |
|
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|
834 if last_try: |
|
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|
835 log.warning( |
| 3028 | 836 "sender didn't sent hash checksum, we can't check the file [{profile}]".format( |
|
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|
837 profile=client.profile |
|
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|
838 ) |
|
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|
839 ) |
|
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|
840 self._j.delayed_content_terminate(client, session, content_name) |
|
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|
841 content_data["stream_object"].close() |
|
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|
842 return True |
|
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|
843 return False |
|
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|
844 hasher = file_data["hash_hasher"] |
| 3040 | 845 hash_ = hasher.hexdigest() |
|
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|
846 |
|
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changeset
|
847 if hash_ == given_hash: |
| 3040 | 848 log.info(f"Hash checked, file was successfully transfered: {hash_}") |
|
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|
849 progress_metadata = { |
|
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|
850 "hash": hash_, |
|
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|
851 "hash_algo": file_data["hash_algo"], |
|
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|
852 "hash_verified": C.BOOL_TRUE, |
|
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|
853 } |
|
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changeset
|
854 error = None |
|
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|
855 else: |
| 3028 | 856 log.warning("Hash mismatch, the file was not transfered correctly") |
|
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|
857 progress_metadata = None |
| 3028 | 858 error = "Hash mismatch: given={algo}:{given}, calculated={algo}:{our}".format( |
|
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|
859 algo=file_data["hash_algo"], given=given_hash, our=hash_ |
|
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|
860 ) |
|
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|
861 |
|
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|
862 self._j.delayed_content_terminate(client, session, content_name) |
|
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|
863 content_data["stream_object"].close(progress_metadata, error) |
|
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|
864 # we may have the last_try timer still active, so we try to cancel it |
|
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|
865 try: |
|
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|
866 content_data["last_try_timer"].cancel() |
|
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|
867 except (KeyError, internet_error.AlreadyCalled): |
|
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|
868 pass |
|
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|
869 return True |
|
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|
870 |
|
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|
871 def _finished_cb(self, __, client, session, content_name, content_data): |
| 3028 | 872 log.info("File transfer terminated") |
|
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|
873 if content_data["senders"] != session["role"]: |
|
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|
874 # we terminate the session only if we are the receiver, |
|
1571
c668081eba1c
plugins XEP-0234, XEP-0260, XEP-0261: jingle session termination is managed by application (XEP-0234) instead of transport
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|
875 # as recommanded in XEP-0234 §2 (after example 6) |
|
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|
876 content_data["transfer_finished"] = True |
|
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|
877 if not self._receiver_try_terminate( |
|
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|
878 client, session, content_name, content_data |
|
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|
879 ): |
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880 # we have not received the hash yet, we wait 5 more seconds |
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881 content_data["last_try_timer"] = reactor.callLater( |
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882 5, |
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883 self._receiver_try_terminate, |
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884 client, |
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885 session, |
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886 content_name, |
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887 content_data, |
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888 last_try=True, |
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889 ) |
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890 else: |
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891 # we are the sender, we send the checksum |
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892 self._send_check_sum(client, session, content_name, content_data) |
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893 content_data["stream_object"].close() |
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894 |
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895 def _finished_eb(self, failure, client, session, content_name, content_data): |
| 3028 | 896 log.warning("Error while streaming file: {}".format(failure)) |
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897 content_data["stream_object"].close() |
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898 self._j.content_terminate( |
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899 client, session, content_name, reason=self._j.REASON_FAILED_TRANSPORT |
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900 ) |
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901 |
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902 |
| 3028 | 903 @implementer(iwokkel.IDisco) |
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904 class XEP_0234_handler(XMPPHandler): |
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905 |
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906 def getDiscoInfo(self, requestor, target, nodeIdentifier=""): |
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907 return [disco.DiscoFeature(NS_JINGLE_FT)] |
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908 |
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909 def getDiscoItems(self, requestor, target, nodeIdentifier=""): |
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910 return [] |