annotate sat/plugins/plugin_misc_upload.py @ 3231:e756e0eb1be4

core (memory/encryption): automatic start encryption if peer send encrypted message: If peer sends encrypted message and we have no encryption activated, we automatically start encryption to avoid sending plain text message when answering. markAsEncrypted now needs the encryption algorithm namespace as mandatory argument.
author Goffi <goffi@goffi.org>
date Mon, 23 Mar 2020 17:52:18 +0100
parents f2bb57348587
children 9057713ab124
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rev   line source
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1 #!/usr/bin/env python3
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2
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3 # SAT plugin for uploading files
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4 # Copyright (C) 2009-2020 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 import os
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20 import os.path
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21 from twisted.internet import defer
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22 from twisted.words.protocols.jabber import jid
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23 from twisted.words.protocols.jabber import error as jabber_error
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24 from sat.core.i18n import _, D_
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25 from sat.core.constants import Const as C
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26 from sat.tools.common import data_format
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27 from sat.core.log import getLogger
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28 from sat.core import exceptions
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29 from sat.tools import xml_tools
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30
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31 log = getLogger(__name__)
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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_("Please select a file to upload")
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45 UPLOADING_TITLE = D_("File upload")
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46
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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="sssss",
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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='', 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 options = data_format.deserialise(options)
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70
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71 return defer.ensureDeferred(self.fileUpload(
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72 client, filepath, filename or None, upload_jid, options
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73 ))
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74
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75 async def fileUpload(self, client, filepath, filename, upload_jid, options):
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76 """Send a file using best available method
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77
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78 parameters are the same as for [upload]
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79 @return (dict): action dictionary, with progress id in case of success, else xmlui
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80 message
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81 """
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82
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83 try:
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84 progress_id, __ = await self.upload(
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85 client, filepath, filename, upload_jid, options)
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86 except Exception as e:
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87 if (isinstance(e, jabber_error.StanzaError)
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88 and e.condition == 'not-acceptable'):
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89 reason = e.text
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90 else:
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91 reason = str(e)
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92 msg = D_("Can't upload file: {reason}").format(reason=reason)
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93 log.warning(msg)
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94 return {
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95 "xmlui": xml_tools.note(
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96 msg, D_("Can't upload file"), C.XMLUI_DATA_LVL_WARNING
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97 ).toXml()
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98 }
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99 else:
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100 return {"progress": progress_id}
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101
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102 async def upload(self, client, filepath, filename=None, upload_jid=None,
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103 options=None):
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104 """Send a file using best available method
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105
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106 @param filepath(str): absolute path to the file
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107 @param filename(None, unicode): name to use for the upload
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108 None to use basename of the path
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109 @param upload_jid(jid.JID, None): upload capable entity jid,
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110 or None to use autodetected, if possible
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111 @param options(dict): option to use for the upload, may be:
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112 - ignore_tls_errors(bool): True to ignore SSL/TLS certificate verification
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113 used only if HTTPS transport is needed
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114 - progress_id(str): id to use for progression
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115 if not specified, one will be generated
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116 @param profile: %(doc_profile)s
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117 @return (tuple[unicode,D(unicode)]): progress_id and a Deferred which fire
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118 download URL when upload is finished
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119 """
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120 if options is None:
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121 options = {}
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122 if not os.path.isfile(filepath):
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123 raise exceptions.DataError("The given path doesn't link to a file")
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124 for method_name, available_cb, upload_cb, priority in self._upload_callbacks:
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125 try:
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126 upload_jid = await available_cb(client, upload_jid)
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127 except exceptions.NotFound:
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128 continue # no entity managing this extension found
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129
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130 log.info(
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131 "{name} method will be used to upload the file".format(name=method_name)
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132 )
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133 progress_id, download_d = await upload_cb(
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134 client, filepath, filename, upload_jid, options
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135 )
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136 return progress_id, download_d
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137
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138 raise exceptions.NotFound("Can't find any method to upload a file")
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139
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140 def register(self, method_name, available_cb, upload_cb, priority=0):
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141 """Register a fileUploading method
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142
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143 @param method_name(unicode): short name for the method, must be unique
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144 @param available_cb(callable): method to call to check if this method is usable
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145 the callback must take two arguments: upload_jid (can be None) and profile
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146 the callback must return the first entity found (being upload_jid or one of its
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147 components)
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148 exceptions.NotFound must be raised if no entity has been found
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149 @param upload_cb(callable): method to upload a file
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150 must have the same signature as [fileUpload]
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151 must return a tuple with progress_id and a Deferred which fire download URL
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152 when upload is finished
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153 @param priority(int): pririoty of this method, the higher available will be used
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154 """
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155 assert method_name
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156 for data in self._upload_callbacks:
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157 if method_name == data[0]:
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158 raise exceptions.ConflictError(
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159 "A method with this name is already registered"
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160 )
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161 self._upload_callbacks.append((method_name, available_cb, upload_cb, priority))
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162 self._upload_callbacks.sort(key=lambda data: data[3], reverse=True)
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163
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164 def unregister(self, method_name):
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165 for idx, data in enumerate(self._upload_callbacks):
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166 if data[0] == method_name:
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167 del [idx]
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168 return
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169 raise exceptions.NotFound("The name to unregister doesn't exist")