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annotate sat/plugins/plugin_misc_upload.py @ 3080:16925f494820

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plugin XEP-0045: don't fail on `item-not-found` with MAM: Some servers don't store permanently the whole history of MUC with MAM. As a result, an "item-not-found" stanza error can be received when message id used as reference doesn't exist anymore on the server. When this case happens, the history is retrieved in the same way as for a newly joined room (i.e. last 50 messages are requested).
author Goffi <goffi@goffi.org>
date Thu, 05 Dec 2019 23:05:16 +0100
parents ab2696e34d29
children e75024e41f81
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rev   line source
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1 #!/usr/bin/env python3
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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_("Please select a file to upload")
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45 UPLOADING_TITLE = D_("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 = str(fail.value)
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101 msg = D_("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_("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("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 "{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("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 "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("The name to unregister doesn't exist")