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annotate src/plugins/plugin_misc_file.py @ 2502:7ad5f2c4e34a

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XEP-0065,XEP-0096,XEP-0166,XEP-0235,XEP-0300: file transfer improvments: huge patch sorry :) many things are improved by this patch, notably: - updated to last protocol changes (urn:xmpp:jingle:apps:file-transfer:5 and urn:xmpp:hashes:2) - XEP-0234: file request implementation - XEP-0234: methods to parse and generate <file> element (can be used by other plugins easily) - XEP-0234: range data is now in a namedtuple - path and namespace can be specified when sending/requesting a file (not standard, but needed for file sharing) - better error/termination handling - trigger points to handle file requests by other plugins - preparation to use file plugins with components
author Goffi <goffi@goffi.org>
date Wed, 28 Feb 2018 18:28:39 +0100
parents e2a7bb875957
children
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1934
2daf7b4c6756 use of /usr/bin/env instead of /usr/bin/python in shebang
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1 #!/usr/bin/env python2
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2 # -*- coding: utf-8 -*-
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3
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4 # SAT plugin for file tansfer
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5 # Copyright (C) 2009-2018 Jérôme Poisson (goffi@goffi.org)
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6
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7 # This program is free software: you can redistribute it and/or modify
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8 # it under the terms of the GNU Affero General Public License as published by
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9 # the Free Software Foundation, either version 3 of the License, or
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10 # (at your option) any later version.
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11
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12 # This program is distributed in the hope that it will be useful,
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13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 # GNU Affero General Public License for more details.
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16
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17 # You should have received a copy of the GNU Affero General Public License
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18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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19
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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 log = getLogger(__name__)
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24 from sat.core import exceptions
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25 from sat.tools import xml_tools
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26 from sat.tools import stream
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27 from twisted.internet import defer
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28 from twisted.words.protocols.jabber import jid
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29 import os
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30 import os.path
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31
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32
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33 PLUGIN_INFO = {
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34 C.PI_NAME: "File Tansfer",
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35 C.PI_IMPORT_NAME: "FILE",
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36 C.PI_TYPE: C.PLUG_TYPE_MISC,
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37 C.PI_MODES: C.PLUG_MODE_BOTH,
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38 C.PI_MAIN: "FilePlugin",
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39 C.PI_HANDLER: "no",
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40 C.PI_DESCRIPTION: _("""File Tansfer Management:
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41 This plugin manage the various ways of sending a file, and choose the best one.""")
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42 }
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43
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44
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45 SENDING = D_(u'Please select a file to send to {peer}')
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46 SENDING_TITLE = D_(u'File sending')
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47 CONFIRM = D_(u'{peer} wants to send the file "{name}" to you:\n{desc}\n\nThe file has a size of {size_human}\n\nDo you accept ?')
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48 CONFIRM_TITLE = D_(u'Confirm file transfer')
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49 CONFIRM_OVERWRITE = D_(u'File {} already exists, are you sure you want to overwrite ?')
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50 CONFIRM_OVERWRITE_TITLE = D_(u'File exists')
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51 SECURITY_LIMIT = 30
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52
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53 PROGRESS_ID_KEY = 'progress_id'
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54
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55
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56 class FilePlugin(object):
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57 File=stream.SatFile
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58
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59 def __init__(self, host):
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60 log.info(_("plugin File initialization"))
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61 self.host = host
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62 host.bridge.addMethod("fileSend", ".plugin", in_sign='ssssa{ss}s', out_sign='a{ss}', method=self._fileSend, async=True)
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63 self._file_callbacks = []
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64 host.importMenu((D_("Action"), D_("send file")), self._fileSendMenu, security_limit=10, help_string=D_("Send a file"), type_=C.MENU_SINGLE)
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65
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66 def _fileSend(self, peer_jid_s, filepath, name="", file_desc="", extra=None, profile=C.PROF_KEY_NONE):
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67 client = self.host.getClient(profile)
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68 return self.fileSend(client, jid.JID(peer_jid_s), filepath, name or None, file_desc or None, extra)
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69
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70 @defer.inlineCallbacks
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71 def fileSend(self, client, peer_jid, filepath, filename=None, file_desc=None, extra=None):
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72 """Send a file using best available method
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73
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74 @param peer_jid(jid.JID): jid of the destinee
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75 @param filepath(str): absolute path to the file
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76 @param filename(unicode, None): name to use, or None to find it from filepath
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77 @param file_desc(unicode, None): description of the file
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78 @param profile: %(doc_profile)s
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79 @return (dict): action dictionary, with progress id in case of success, else xmlui message
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80 """
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81 if not os.path.isfile(filepath):
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82 raise exceptions.DataError(u"The given path doesn't link to a file")
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83 if not filename:
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84 filename = os.path.basename(filepath) or '_'
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85 for namespace, callback, priority, method_name in self._file_callbacks:
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86 has_feature = yield self.host.hasFeature(client, namespace, peer_jid)
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87 if has_feature:
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88 log.info(u"{name} method will be used to send the file".format(name=method_name))
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89 progress_id = yield callback(client, peer_jid, filepath, filename, file_desc, extra)
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90 defer.returnValue({'progress': progress_id})
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91 msg = u"Can't find any method to send file to {jid}".format(jid=peer_jid.full())
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92 log.warning(msg)
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93 defer.returnValue({'xmlui': xml_tools.note(u"Can't transfer file", msg, C.XMLUI_DATA_LVL_WARNING).toXml()})
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94
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95 def _onFileChoosed(self, client, peer_jid, data):
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96 cancelled = C.bool(data.get("cancelled", C.BOOL_FALSE))
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97 if cancelled:
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98 return
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99 path=data['path']
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100 return self.fileSend(client, peer_jid, path)
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101
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102 def _fileSendMenu(self, data, profile):
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103 """ XMLUI activated by menu: return file sending UI
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104
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105 @param profile: %(doc_profile)s
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106 """
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107 try:
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108 jid_ = jid.JID(data['jid'])
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109 except RuntimeError:
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110 raise exceptions.DataError(_("Invalid JID"))
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111
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112 file_choosed_id = self.host.registerCallback(lambda data, profile: self._onFileChoosed(self.host.getClient(profile), jid_, data), with_data=True, one_shot=True)
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Goffi <goffi@goffi.org>
parents: 1626
diff changeset
113 xml_ui = xml_tools.XMLUI(
591e04f0103c plugin file: added "Action/send" file menu
Goffi <goffi@goffi.org>
parents: 1626
diff changeset
114 C.XMLUI_DIALOG,
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Goffi <goffi@goffi.org>
parents: 1626
diff changeset
115 dialog_opt = {
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parents: 1626
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116 C.XMLUI_DATA_TYPE: C.XMLUI_DIALOG_FILE,
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parents: 1626
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117 C.XMLUI_DATA_MESS: _(SENDING).format(peer=jid_.full())},
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parents: 1626
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118 title = _(SENDING_TITLE),
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Goffi <goffi@goffi.org>
parents: 1626
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119 submit_id = file_choosed_id)
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parents: 1626
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120
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Goffi <goffi@goffi.org>
parents: 1626
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121 return {'xmlui': xml_ui.toXml()}
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parents: 1626
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122
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123 def register(self, namespace, callback, priority=0, method_name=None):
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124 """Register a fileSending method
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125
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parents: 1575
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126 @param namespace(unicode): XEP namespace
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parents: 1575
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127 @param callback(callable): method to call (must have the same signature as [fileSend])
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parents: 1575
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128 @param priority(int): pririoty of this method, the higher available will be used
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parents: 1575
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129 @param method_name(unicode): short name for the method, namespace will be used if None
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parents: 1575
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130 """
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parents: 1575
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131 for data in self._file_callbacks:
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parents: 1575
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132 if namespace == data[0]:
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parents: 1575
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133 raise exceptions.ConflictError(u'A method with this namespace is already registered')
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Goffi <goffi@goffi.org>
parents: 1575
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134 self._file_callbacks.append((namespace, callback, priority, method_name or namespace))
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Goffi <goffi@goffi.org>
parents: 1575
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135 self._file_callbacks.sort(key=lambda data: data[2], reverse=True)
846a39900fa6 plugins XEP-0096, XEP-0260, file: sendFile method is managed by file plugin, which choose the best available method + progress_id fix
Goffi <goffi@goffi.org>
parents: 1575
diff changeset
136
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Goffi <goffi@goffi.org>
parents: 1575
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137 def unregister(self, namespace):
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Goffi <goffi@goffi.org>
parents: 1575
diff changeset
138 for idx, data in enumerate(self._file_callbacks):
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Goffi <goffi@goffi.org>
parents: 1575
diff changeset
139 if data[0] == namespace:
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Goffi <goffi@goffi.org>
parents: 1575
diff changeset
140 del [idx]
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parents: 1575
diff changeset
141 return
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parents: 1575
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142 raise exceptions.NotFound(u"The namespace to unregister doesn't exist")
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parents:
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143
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144 # Dialogs with user
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145 # the overwrite check is done here
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parents:
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146
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147 def openFileWrite(self, client, file_path, transfer_data, file_data, stream_object):
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148 """create SatFile or FileStremaObject for the requested file and fill suitable data
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149 """
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150 if stream_object:
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151 assert 'stream_object' not in transfer_data
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152 transfer_data['stream_object'] = stream.FileStreamObject(
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153 self.host,
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154 client,
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155 file_path,
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156 mode='wb',
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157 uid=file_data[PROGRESS_ID_KEY],
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158 size=file_data['size'],
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159 data_cb = file_data.get('data_cb'),
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160 )
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161 else:
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162 assert 'file_obj' not in transfer_data
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163 transfer_data['file_obj'] = stream.SatFile(
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164 self.host,
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165 client,
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166 file_path,
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167 mode='wb',
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168 uid=file_data[PROGRESS_ID_KEY],
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169 size=file_data['size'],
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170 data_cb = file_data.get('data_cb'),
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171 )
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172
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173 def _gotConfirmation(self, data, client, peer_jid, transfer_data, file_data, stream_object):
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174 """Called when the permission and dest path have been received
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175
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176 @param peer_jid(jid.JID): jid of the file sender
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177 @param transfer_data(dict): same as for [self.getDestDir]
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178 @param file_data(dict): same as for [self.getDestDir]
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179 @param stream_object(bool): same as for [self.getDestDir]
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180 return (bool): True if copy is wanted and OK
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181 False if user wants to cancel
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182 if file exists ask confirmation and call again self._getDestDir if needed
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183 """
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184 if data.get('cancelled', False):
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185 return False
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186 path = data['path']
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187 file_data['file_path'] = file_path = os.path.join(path, file_data['name'])
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188 log.debug(u'destination file path set to {}'.format(file_path))
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189
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190 # we manage case where file already exists
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191 if os.path.exists(file_path):
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192 def check_overwrite(overwrite):
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193 if overwrite:
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194 self.openFileWrite(client, file_path, transfer_data, file_data, stream_object)
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195 return True
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196 else:
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197 return self.getDestDir(client, peer_jid, transfer_data, file_data)
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198
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diff changeset
199 exists_d = xml_tools.deferConfirm(
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200 self.host,
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201 _(CONFIRM_OVERWRITE).format(file_path),
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202 _(CONFIRM_OVERWRITE_TITLE),
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203 action_extra={'meta_from_jid': peer_jid.full(),
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204 'meta_type': C.META_TYPE_OVERWRITE,
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205 'meta_progress_id': file_data[PROGRESS_ID_KEY]
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diff changeset
206 },
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diff changeset
207 security_limit=SECURITY_LIMIT,
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208 profile=client.profile)
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209 exists_d.addCallback(check_overwrite)
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210 return exists_d
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211
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212 self.openFileWrite(client, file_path, transfer_data, file_data, stream_object)
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213 return True
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214
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215 def getDestDir(self, client, peer_jid, transfer_data, file_data, stream_object=False):
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216 """Request confirmation and destination dir to user
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217
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218 Overwrite confirmation is managed.
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219 if transfer is confirmed, 'file_obj' is added to transfer_data
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220 @param peer_jid(jid.JID): jid of the file sender
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221 @param filename(unicode): name of the file
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222 @param transfer_data(dict): data of the transfer session,
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diff changeset
223 it will be only used to store the file_obj.
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224 "file_obj" (or "stream_object") key *MUST NOT* exist before using getDestDir
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225 @param file_data(dict): information about the file to be transfered
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226 It MUST contain the following keys:
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227 - peer_jid (jid.JID): other peer jid
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diff changeset
228 - name (unicode): name of the file to trasnsfer
babd97d80049 plugins XEP-0234, file: moved file request dialog to file plugin
Goffi <goffi@goffi.org>
parents: 1568
diff changeset
229 the name must not be empty or contain a "/" character
babd97d80049 plugins XEP-0234, file: moved file request dialog to file plugin
Goffi <goffi@goffi.org>
parents: 1568
diff changeset
230 - size (int): size of the file
1619
3ec7511dbf28 plugin file: 'data_cb' key can be used in file_data to specified a callback used on each read/write
Goffi <goffi@goffi.org>
parents: 1607
diff changeset
231 - desc (unicode): description of the file
1585
846a39900fa6 plugins XEP-0096, XEP-0260, file: sendFile method is managed by file plugin, which choose the best available method + progress_id fix
Goffi <goffi@goffi.org>
parents: 1575
diff changeset
232 - progress_id (unicode): id to use for progression
1574
babd97d80049 plugins XEP-0234, file: moved file request dialog to file plugin
Goffi <goffi@goffi.org>
parents: 1568
diff changeset
233 It *MUST NOT* contain the "peer" key
1619
3ec7511dbf28 plugin file: 'data_cb' key can be used in file_data to specified a callback used on each read/write
Goffi <goffi@goffi.org>
parents: 1607
diff changeset
234 It may contain:
3ec7511dbf28 plugin file: 'data_cb' key can be used in file_data to specified a callback used on each read/write
Goffi <goffi@goffi.org>
parents: 1607
diff changeset
235 - data_cb (callable): method called on each data read/write
1574
babd97d80049 plugins XEP-0234, file: moved file request dialog to file plugin
Goffi <goffi@goffi.org>
parents: 1568
diff changeset
236 "file_path" will be added to this dict once destination selected
1575
833bdb227b16 plugins XEP-0234, file: moved human file size conversion to file plugi
Goffi <goffi@goffi.org>
parents: 1574
diff changeset
237 "size_human" will also be added with human readable file size
2489
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents: 2483
diff changeset
238 @param stream_object(bool): if True, a stream_object will be used instead of file_obj
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents: 2483
diff changeset
239 a stream.FileStreamObject will be used
1574
babd97d80049 plugins XEP-0234, file: moved file request dialog to file plugin
Goffi <goffi@goffi.org>
parents: 1568
diff changeset
240 return (defer.Deferred): True if transfer is accepted
babd97d80049 plugins XEP-0234, file: moved file request dialog to file plugin
Goffi <goffi@goffi.org>
parents: 1568
diff changeset
241 """
2502
7ad5f2c4e34a XEP-0065,XEP-0096,XEP-0166,XEP-0235,XEP-0300: file transfer improvments:
Goffi <goffi@goffi.org>
parents: 2489
diff changeset
242 cont,ret_value = self.host.trigger.returnPoint("FILE_getDestDir", client, peer_jid, transfer_data, file_data, stream_object)
7ad5f2c4e34a XEP-0065,XEP-0096,XEP-0166,XEP-0235,XEP-0300: file transfer improvments:
Goffi <goffi@goffi.org>
parents: 2489
diff changeset
243 if not cont:
7ad5f2c4e34a XEP-0065,XEP-0096,XEP-0166,XEP-0235,XEP-0300: file transfer improvments:
Goffi <goffi@goffi.org>
parents: 2489
diff changeset
244 return ret_value
1574
babd97d80049 plugins XEP-0234, file: moved file request dialog to file plugin
Goffi <goffi@goffi.org>
parents: 1568
diff changeset
245 filename = file_data['name']
babd97d80049 plugins XEP-0234, file: moved file request dialog to file plugin
Goffi <goffi@goffi.org>
parents: 1568
diff changeset
246 assert filename and not '/' in filename
1585
846a39900fa6 plugins XEP-0096, XEP-0260, file: sendFile method is managed by file plugin, which choose the best available method + progress_id fix
Goffi <goffi@goffi.org>
parents: 1575
diff changeset
247 assert PROGRESS_ID_KEY in file_data
1575
833bdb227b16 plugins XEP-0234, file: moved human file size conversion to file plugi
Goffi <goffi@goffi.org>
parents: 1574
diff changeset
248 # human readable size
833bdb227b16 plugins XEP-0234, file: moved human file size conversion to file plugi
Goffi <goffi@goffi.org>
parents: 1574
diff changeset
249 file_data['size_human'] = u'{:.6n} Mio'.format(float(file_data['size'])/(1024**2))
1574
babd97d80049 plugins XEP-0234, file: moved file request dialog to file plugin
Goffi <goffi@goffi.org>
parents: 1568
diff changeset
250 d = xml_tools.deferDialog(self.host,
babd97d80049 plugins XEP-0234, file: moved file request dialog to file plugin
Goffi <goffi@goffi.org>
parents: 1568
diff changeset
251 _(CONFIRM).format(peer=peer_jid.full(), **file_data),
babd97d80049 plugins XEP-0234, file: moved file request dialog to file plugin
Goffi <goffi@goffi.org>
parents: 1568
diff changeset
252 _(CONFIRM_TITLE),
babd97d80049 plugins XEP-0234, file: moved file request dialog to file plugin
Goffi <goffi@goffi.org>
parents: 1568
diff changeset
253 type_=C.XMLUI_DIALOG_FILE,
babd97d80049 plugins XEP-0234, file: moved file request dialog to file plugin
Goffi <goffi@goffi.org>
parents: 1568
diff changeset
254 options={C.XMLUI_DATA_FILETYPE: C.XMLUI_DATA_FILETYPE_DIR},
1601
e0a152f2cf6d core (xmlui), plugin file: added action_extra param to deferXMLUI/deferDialog which is merged to the action data dict when actionNew is called
Goffi <goffi@goffi.org>
parents: 1598
diff changeset
255 action_extra={'meta_from_jid': peer_jid.full(),
e0a152f2cf6d core (xmlui), plugin file: added action_extra param to deferXMLUI/deferDialog which is merged to the action data dict when actionNew is called
Goffi <goffi@goffi.org>
parents: 1598
diff changeset
256 'meta_type': C.META_TYPE_FILE,
e0a152f2cf6d core (xmlui), plugin file: added action_extra param to deferXMLUI/deferDialog which is merged to the action data dict when actionNew is called
Goffi <goffi@goffi.org>
parents: 1598
diff changeset
257 'meta_progress_id': file_data[PROGRESS_ID_KEY]
e0a152f2cf6d core (xmlui), plugin file: added action_extra param to deferXMLUI/deferDialog which is merged to the action data dict when actionNew is called
Goffi <goffi@goffi.org>
parents: 1598
diff changeset
258 },
1646
7f0c8856e4e1 plugin file: deferred XMLUI now use security limit
Goffi <goffi@goffi.org>
parents: 1639
diff changeset
259 security_limit=SECURITY_LIMIT,
2489
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents: 2483
diff changeset
260 profile=client.profile)
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents: 2483
diff changeset
261 d.addCallback(self._gotConfirmation, client, peer_jid, transfer_data, file_data, stream_object)
1574
babd97d80049 plugins XEP-0234, file: moved file request dialog to file plugin
Goffi <goffi@goffi.org>
parents: 1568
diff changeset
262 return d