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annotate sat/plugins/plugin_misc_upload.py @ 2891:6a0f42e9410a

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core (xmpp): implemented roster versioning
author Goffi <goffi@goffi.org>
date Sun, 07 Apr 2019 18:47:17 +0200
parents 3cac3d050046
children ab2696e34d29
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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) 2009-2019 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
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24 log = getLogger(__name__)
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25 from sat.core import exceptions
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26 from sat.tools import xml_tools
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27 from twisted.internet import defer
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28 from twisted.words.protocols.jabber import jid
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29 from twisted.words.protocols.jabber import error as jabber_error
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30 import os
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31 import os.path
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32
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33
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34 PLUGIN_INFO = {
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35 C.PI_NAME: "File Upload",
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36 C.PI_IMPORT_NAME: "UPLOAD",
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37 C.PI_TYPE: C.PLUG_TYPE_MISC,
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38 C.PI_MAIN: "UploadPlugin",
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39 C.PI_HANDLER: "no",
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40 C.PI_DESCRIPTION: _("""File upload management"""),
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41 }
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42
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43
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44 UPLOADING = D_(u"Please select a file to upload")
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45 UPLOADING_TITLE = D_(u"File upload")
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46 BOOL_OPTIONS = ("ignore_tls_errors",)
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47
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48
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49 class UploadPlugin(object):
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50 # TODO: plugin unload
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51
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52 def __init__(self, host):
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53 log.info(_("plugin Upload initialization"))
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54 self.host = host
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55 host.bridge.addMethod(
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56 "fileUpload",
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57 ".plugin",
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58 in_sign="sssa{ss}s",
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59 out_sign="a{ss}",
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60 method=self._fileUpload,
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61 async=True,
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62 )
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63 self._upload_callbacks = []
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64
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65 def _fileUpload(
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66 self, filepath, filename, upload_jid_s="", options=None, profile=C.PROF_KEY_NONE
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67 ):
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68 client = self.host.getClient(profile)
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69 upload_jid = jid.JID(upload_jid_s) if upload_jid_s else None
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70 if options is None:
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71 options = {}
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72 # we convert values that are well-known booleans
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73 for bool_option in BOOL_OPTIONS:
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74 try:
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75 options[bool_option] = C.bool(options[bool_option])
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76 except KeyError:
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77 pass
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78
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79 return self.fileUpload(
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80 client, filepath, filename or None, upload_jid, options or None
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81 )
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82
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83 def fileUpload(self, client, filepath, filename, upload_jid, options):
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84 """Send a file using best available method
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85
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86 parameters are the same as for [upload]
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87 @return (dict): action dictionary, with progress id in case of success, else xmlui
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88 message
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89 """
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90
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91 def uploadCb(data):
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92 progress_id, __ = data
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93 return {"progress": progress_id}
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94
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95 def uploadEb(fail):
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96 if (isinstance(fail.value, jabber_error.StanzaError)
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97 and fail.value.condition == 'not-acceptable'):
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98 reason = fail.value.text
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99 else:
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100 reason = unicode(fail.value)
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101 msg = D_(u"Can't upload file: {reason}").format(reason=reason)
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102 log.warning(msg)
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103 return {
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104 "xmlui": xml_tools.note(
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105 msg, D_(u"Can't upload file"), C.XMLUI_DATA_LVL_WARNING
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106 ).toXml()
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107 }
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108
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109 d = self.upload(client, filepath, filename, upload_jid, options)
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110 d.addCallback(uploadCb)
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111 d.addErrback(uploadEb)
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112 return d
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113
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114 @defer.inlineCallbacks
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115 def upload(self, client, filepath, filename=None, upload_jid=None, options=None):
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116 """Send a file using best available method
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117
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118 @param filepath(str): absolute path to the file
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119 @param filename(None, unicode): name to use for the upload
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120 None to use basename of the path
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121 @param upload_jid(jid.JID, None): upload capable entity jid,
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122 or None to use autodetected, if possible
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123 @param options(dict): option to use for the upload, may be:
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124 - ignore_tls_errors(bool): True to ignore SSL/TLS certificate verification
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125 used only if HTTPS transport is needed
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126 @param profile: %(doc_profile)s
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127 @return (tuple[unicode,D(unicode)]): progress_id and a Deferred which fire
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128 download URL when upload is finished
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129 """
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130 if options is None:
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131 options = {}
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132 if not os.path.isfile(filepath):
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133 raise exceptions.DataError(u"The given path doesn't link to a file")
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134 for method_name, available_cb, upload_cb, priority in self._upload_callbacks:
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135 try:
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136 upload_jid = yield available_cb(upload_jid, client.profile)
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137 except exceptions.NotFound:
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138 continue # no entity managing this extension found
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139
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140 log.info(
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141 u"{name} method will be used to upload the file".format(name=method_name)
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142 )
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143 progress_id_d, download_d = yield upload_cb(
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144 filepath, filename, upload_jid, options, client.profile
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145 )
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146 progress_id = yield progress_id_d
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147 defer.returnValue((progress_id, download_d))
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148
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149 raise exceptions.NotFound(u"Can't find any method to upload a file")
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150
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151 def register(self, method_name, available_cb, upload_cb, priority=0):
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152 """Register a fileUploading method
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153
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154 @param method_name(unicode): short name for the method, must be unique
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155 @param available_cb(callable): method to call to check if this method is usable
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156 the callback must take two arguments: upload_jid (can be None) and profile
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157 the callback must return the first entity found (being upload_jid or one of its
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158 components)
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159 exceptions.NotFound must be raised if no entity has been found
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160 @param upload_cb(callable): method to upload a file
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161 must have the same signature as [fileUpload]
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162 must return a tuple with progress_id and a Deferred which fire download URL
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163 when upload is finished
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164 @param priority(int): pririoty of this method, the higher available will be used
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165 """
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166 assert method_name
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167 for data in self._upload_callbacks:
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168 if method_name == data[0]:
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169 raise exceptions.ConflictError(
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170 u"A method with this name is already registered"
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171 )
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172 self._upload_callbacks.append((method_name, available_cb, upload_cb, priority))
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173 self._upload_callbacks.sort(key=lambda data: data[3], reverse=True)
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174
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175 def unregister(self, method_name):
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176 for idx, data in enumerate(self._upload_callbacks):
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177 if data[0] == method_name:
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178 del [idx]
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179 return
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180 raise exceptions.NotFound(u"The name to unregister doesn't exist")