Mercurial > libervia-backend
annotate sat/plugins/plugin_misc_upload.py @ 3227:6d19a99172d7
changelog: update
author | Goffi <goffi@goffi.org> |
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date | Sun, 22 Mar 2020 18:47:59 +0100 |
parents | f2bb57348587 |
children | 9057713ab124 |
rev | line source |
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3028 | 1 #!/usr/bin/env python3 |
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2 |
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3 # SAT plugin for uploading files |
3136 | 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 |
3028 | 44 UPLOADING = D_("Please select a file to upload") |
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, |
3028 | 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) |
3028 | 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( |
3028 | 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): |
3028 | 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( |
3028 | 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 |
3028 | 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( |
3028 | 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 |
3028 | 169 raise exceptions.NotFound("The name to unregister doesn't exist") |