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annotate sat/plugins/plugin_misc_upload.py @ 2834:6cd3549e8d67

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we are in dev version again
author Goffi <goffi@goffi.org>
date Sat, 02 Mar 2019 18:43:09 +0100
parents 003b8b4b56a7
children a97a5c73594d
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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 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 Upload",
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35 C.PI_IMPORT_NAME: "UPLOAD",
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36 C.PI_TYPE: C.PLUG_TYPE_MISC,
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37 C.PI_MAIN: "UploadPlugin",
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38 C.PI_HANDLER: "no",
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39 C.PI_DESCRIPTION: _("""File upload management"""),
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40 }
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41
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42
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43 UPLOADING = D_(u"Please select a file to upload")
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44 UPLOADING_TITLE = D_(u"File upload")
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45 BOOL_OPTIONS = ("ignore_tls_errors",)
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47
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48 class UploadPlugin(object):
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49 # TODO: plugin unload
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50
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51 def __init__(self, host):
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52 log.info(_("plugin Upload initialization"))
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53 self.host = host
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54 host.bridge.addMethod(
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55 "fileUpload",
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56 ".plugin",
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57 in_sign="sssa{ss}s",
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58 out_sign="a{ss}",
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59 method=self._fileUpload,
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60 async=True,
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61 )
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62 self._upload_callbacks = []
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63
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64 def _fileUpload(
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65 self, filepath, filename, upload_jid_s="", options=None, profile=C.PROF_KEY_NONE
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66 ):
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67 client = self.host.getClient(profile)
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68 upload_jid = jid.JID(upload_jid_s) if upload_jid_s else None
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69 if options is None:
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70 options = {}
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71 # we convert values that are well-known booleans
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72 for bool_option in BOOL_OPTIONS:
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73 try:
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74 options[bool_option] = C.bool(options[bool_option])
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75 except KeyError:
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76 pass
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77
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78 return self.fileUpload(
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79 client, filepath, filename or None, upload_jid, options or None
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80 )
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81
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82 def fileUpload(self, client, filepath, filename, upload_jid, options):
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83 """Send a file using best available method
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84
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85 parameters are the same as for [upload]
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86 @return (dict): action dictionary, with progress id in case of success, else xmlui message
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87 """
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88
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89 def uploadCb(data):
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90 progress_id, __ = data
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91 return {"progress": progress_id}
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92
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93 def uploadEb(fail):
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94 msg = unicode(fail)
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95 log.warning(msg)
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96 return {
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97 "xmlui": xml_tools.note(
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98 u"Can't upload file", msg, C.XMLUI_DATA_LVL_WARNING
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99 ).toXml()
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100 }
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101
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102 d = self.upload(client, filepath, filename, upload_jid, options)
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103 d.addCallback(uploadCb)
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104 d.addErrback(uploadEb)
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105 return d
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106
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107 @defer.inlineCallbacks
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108 def upload(self, client, filepath, filename=None, upload_jid=None, options=None):
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109 """Send a file using best available method
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110
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111 @param filepath(str): absolute path to the file
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112 @param filename(None, unicode): name to use for the upload
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113 None to use basename of the path
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114 @param upload_jid(jid.JID, None): upload capable entity jid,
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115 or None to use autodetected, if possible
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116 @param options(dict): option to use for the upload, may be:
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117 - ignore_tls_errors(bool): True to ignore SSL/TLS certificate verification
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118 used only if HTTPS transport is needed
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119 @param profile: %(doc_profile)s
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120 @return (tuple[unicode,D(unicode)]): progress_id and a Deferred which fire download URL
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121 when upload is finished
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122 """
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123 if options is None:
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124 options = {}
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125 if not os.path.isfile(filepath):
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126 raise exceptions.DataError(u"The given path doesn't link to a file")
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127 for method_name, available_cb, upload_cb, priority in self._upload_callbacks:
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128 try:
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129 upload_jid = yield available_cb(upload_jid, client.profile)
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130 except exceptions.NotFound:
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131 continue # no entity managing this extension found
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132
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133 log.info(
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134 u"{name} method will be used to upload the file".format(name=method_name)
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135 )
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136 progress_id_d, download_d = yield upload_cb(
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137 filepath, filename, upload_jid, options, client.profile
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138 )
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139 progress_id = yield progress_id_d
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parents: 1766
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140 defer.returnValue((progress_id, download_d))
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141
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142 raise exceptions.NotFound(u"Can't find any method to upload a file")
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143
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Goffi <goffi@goffi.org>
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144 def register(self, method_name, available_cb, upload_cb, priority=0):
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145 """Register a fileUploading method
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parents:
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146
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147 @param method_name(unicode): short name for the method, must be unique
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148 @param available_cb(callable): method to call to check if this method is usable
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149 the callback must take two arguments: upload_jid (can be None) and profile
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150 the callback must return the first entity found (being upload_jid or one of its components)
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151 exceptions.NotFound must be raised if no entity has been found
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152 @param upload_cb(callable): method to upload a file
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153 must have the same signature as [fileUpload]
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154 must return a tuple with progress_id and a Deferred which fire download URL when
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155 upload is finished
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156 @param priority(int): pririoty of this method, the higher available will be used
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157 """
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158 assert method_name
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159 for data in self._upload_callbacks:
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160 if method_name == data[0]:
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161 raise exceptions.ConflictError(
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162 u"A method with this name is already registered"
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163 )
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164 self._upload_callbacks.append((method_name, available_cb, upload_cb, priority))
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165 self._upload_callbacks.sort(key=lambda data: data[3], reverse=True)
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parents:
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166
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Goffi <goffi@goffi.org>
parents:
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167 def unregister(self, method_name):
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Goffi <goffi@goffi.org>
parents:
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168 for idx, data in enumerate(self._upload_callbacks):
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Goffi <goffi@goffi.org>
parents:
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169 if data[0] == method_name:
d470affbe65c plugin XEP-0363, upload: File upload (through HTTP upload only for now):
Goffi <goffi@goffi.org>
parents:
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170 del [idx]
d470affbe65c plugin XEP-0363, upload: File upload (through HTTP upload only for now):
Goffi <goffi@goffi.org>
parents:
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171 return
d470affbe65c plugin XEP-0363, upload: File upload (through HTTP upload only for now):
Goffi <goffi@goffi.org>
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172 raise exceptions.NotFound(u"The name to unregister doesn't exist")