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annotate sat/plugins/plugin_misc_upload.py @ 3540:aa58451b77ba

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tools (utils): new `ensure_deferred` decorator
author Goffi <goffi@goffi.org>
date Thu, 03 Jun 2021 15:21:43 +0200
parents 1658472abd77
children 0ff265725489
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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) 2009-2021 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 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_MODES: C.PLUG_MODE_BOTH,
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39 C.PI_MAIN: "UploadPlugin",
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40 C.PI_HANDLER: "no",
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41 C.PI_DESCRIPTION: _("""File upload management"""),
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42 }
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43
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44
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45 UPLOADING = D_("Please select a file to upload")
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46 UPLOADING_TITLE = D_("File upload")
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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="sssss",
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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='', 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 options = data_format.deserialise(options)
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71
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72 return defer.ensureDeferred(self.fileUpload(
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73 client, filepath, filename or None, upload_jid, options
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74 ))
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75
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76 async def fileUpload(self, client, filepath, filename, upload_jid, options):
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77 """Send a file using best available method
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78
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79 parameters are the same as for [upload]
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80 @return (dict): action dictionary, with progress id in case of success, else xmlui
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81 message
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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 if upload_jid is None:
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126 try:
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127 upload_jid = await available_cb(client, upload_jid)
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128 except exceptions.NotFound:
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129 continue # no entity managing this extension found
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130
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131 log.info(
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132 "{name} method will be used to upload the file".format(name=method_name)
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133 )
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134 progress_id, download_d = await upload_cb(
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135 client, filepath, filename, upload_jid, options
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136 )
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137 return progress_id, download_d
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138
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139 raise exceptions.NotFound("Can't find any method to upload a file")
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140
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141 def register(self, method_name, available_cb, upload_cb, priority=0):
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142 """Register a fileUploading method
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143
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144 @param method_name(unicode): short name for the method, must be unique
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145 @param available_cb(callable): method to call to check if this method is usable
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146 the callback must take two arguments: upload_jid (can be None) and profile
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147 the callback must return the first entity found (being upload_jid or one of its
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148 components)
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149 exceptions.NotFound must be raised if no entity has been found
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150 @param upload_cb(callable): method to upload a file
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151 must have the same signature as [fileUpload]
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152 must return a tuple with progress_id and a Deferred which fire download URL
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153 when upload is finished
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154 @param priority(int): pririoty of this method, the higher available will be used
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155 """
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156 assert method_name
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157 for data in self._upload_callbacks:
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158 if method_name == data[0]:
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159 raise exceptions.ConflictError(
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160 "A method with this name is already registered"
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161 )
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162 self._upload_callbacks.append((method_name, available_cb, upload_cb, priority))
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163 self._upload_callbacks.sort(key=lambda data: data[3], reverse=True)
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parents:
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164
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parents:
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165 def unregister(self, method_name):
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parents:
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166 for idx, data in enumerate(self._upload_callbacks):
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parents:
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167 if data[0] == method_name:
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parents:
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168 del [idx]
d470affbe65c plugin XEP-0363, upload: File upload (through HTTP upload only for now):
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169 return
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170 raise exceptions.NotFound("The name to unregister doesn't exist")