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annotate sat/plugins/plugin_comp_file_sharing.py @ 2569:a44b62e458be

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README: added Arnaud Joset to contributors
author Goffi <goffi@goffi.org>
date Wed, 04 Apr 2018 09:34:58 +0200
parents 26edcf3a30eb
children 56f94936df1e
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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 parrot mode (experimental)
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5 # Copyright (C) 2009-2018 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 _
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21 from sat.core.constants import Const as C
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22 from sat.core import exceptions
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23 from sat.core.log import getLogger
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24 log = getLogger(__name__)
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25 from sat.tools.common import regex
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26 from sat.tools.common import uri
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27 from sat.tools import stream
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28 from twisted.internet import defer
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29 from twisted.words.protocols.jabber import error
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30 from wokkel import pubsub
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31 from wokkel import generic
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32 from functools import partial
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33 import os
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34 import os.path
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35 import mimetypes
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36
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37
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38 PLUGIN_INFO = {
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39 C.PI_NAME: "File sharing component",
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40 C.PI_IMPORT_NAME: "file_sharing",
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41 C.PI_MODES: [C.PLUG_MODE_COMPONENT],
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42 C.PI_TYPE: C.PLUG_TYPE_ENTRY_POINT,
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43 C.PI_PROTOCOLS: [],
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44 C.PI_DEPENDENCIES: ["FILE", "XEP-0231", "XEP-0234", "XEP-0260", "XEP-0261", "XEP-0264", "XEP-0329"],
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45 C.PI_RECOMMENDATIONS: [],
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46 C.PI_MAIN: "FileSharing",
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47 C.PI_HANDLER: C.BOOL_TRUE,
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48 C.PI_DESCRIPTION: _(u"""Component hosting and sharing files""")
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49 }
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50
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51 HASH_ALGO = u'sha-256'
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52 NS_COMMENTS = 'org.salut-a-toi.comments'
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53 COMMENT_NODE_PREFIX = 'org.salut-a-toi.file_comments/'
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54
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55
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56 class FileSharing(object):
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57
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58 def __init__(self, host):
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59 log.info(_(u"File Sharing initialization"))
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60 self.host = host
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61 self._f = host.plugins['FILE']
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62 self._jf = host.plugins['XEP-0234']
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63 self._h = host.plugins['XEP-0300']
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64 self._t = host.plugins['XEP-0264']
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65 host.trigger.add("FILE_getDestDir", self._getDestDirTrigger)
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66 host.trigger.add("XEP-0234_fileSendingRequest", self._fileSendingRequestTrigger, priority=1000)
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67 host.trigger.add("XEP-0234_buildFileElement", self._addFileComments)
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68 host.trigger.add("XEP-0234_parseFileElement", self._getFileComments)
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69 host.trigger.add("XEP-0329_compGetFilesFromNode", self._addCommentsData)
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70 self.files_path = host.getLocalPath(None, C.FILES_DIR, profile=False)
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71
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72 def getHandler(self, client):
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73 return Comments_handler(self)
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74
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75 def profileConnected(self, client):
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76 path = client.file_tmp_dir = os.path.join(
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77 self.host.memory.getConfig('', 'local_dir'),
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78 C.FILES_TMP_DIR,
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79 regex.pathEscape(client.profile))
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80 if not os.path.exists(path):
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81 os.makedirs(path)
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82
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83 @defer.inlineCallbacks
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84 def _fileTransferedCb(self, dummy, client, peer_jid, file_data, file_path):
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85 """post file reception tasks
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86
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87 on file is received, this method create hash/thumbnails if necessary
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88 move the file to the right location, and create metadata entry in database
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89 """
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90 name = file_data[u'name']
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91 extra = {}
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92
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93 if file_data[u'hash_algo'] == HASH_ALGO:
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94 log.debug(_(u"Reusing already generated hash"))
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95 file_hash = file_data[u'hash_hasher'].hexdigest()
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96 else:
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97 hasher = self._h.getHasher(HASH_ALGO)
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98 with open('file_path') as f:
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99 file_hash = yield self._h.calculateHash(f, hasher)
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100 final_path = os.path.join(self.files_path, file_hash)
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101
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102 if os.path.isfile(final_path):
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103 log.debug(u"file [{file_hash}] already exists, we can remove temporary one".format(file_hash = file_hash))
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104 os.unlink(file_path)
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105 else:
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106 os.rename(file_path, final_path)
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107 log.debug(u"file [{file_hash}] moved to {files_path}".format(file_hash=file_hash, files_path=self.files_path))
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108
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109 mime_type = file_data.get(u'mime_type')
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110 if not mime_type or mime_type == u'application/octet-stream':
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111 mime_type = mimetypes.guess_type(name)[0]
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112
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113 if mime_type is not None and mime_type.startswith(u'image'):
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114 thumbnails = extra.setdefault(C.KEY_THUMBNAILS, [])
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115 for max_thumb_size in (self._t.SIZE_SMALL, self._t.SIZE_MEDIUM):
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116 try:
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117 thumb_size, thumb_id = yield self._t.generateThumbnail(final_path,
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118 max_thumb_size,
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119 # we keep thumbnails for 6 months
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120 60*60*24*31*6)
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121 except Exception as e:
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122 log.warning(_(u"Can't create thumbnail: {reason}").format(reason=e))
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123 break
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124 thumbnails.append({u'id': thumb_id, u'size': thumb_size})
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125
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126 self.host.memory.setFile(client,
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127 name=name,
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128 version=u'',
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129 file_hash=file_hash,
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130 hash_algo=HASH_ALGO,
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131 size=file_data[u'size'],
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132 path=file_data.get(u'path'),
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133 namespace=file_data.get(u'namespace'),
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134 mime_type=mime_type,
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135 owner=peer_jid,
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136 extra=extra)
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137
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138 def _getDestDirTrigger(self, client, peer_jid, transfer_data, file_data, stream_object):
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139 """This trigger accept file sending request, and store file locally"""
2504
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140 if not client.is_component:
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141 return True, None
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142 assert stream_object
67cc54b01a12 plugin file sharing component: first draft:
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143 assert 'stream_object' not in transfer_data
2514
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144 assert C.KEY_PROGRESS_ID in file_data
2504
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145 filename = file_data['name']
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146 assert filename and not '/' in filename
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147 file_tmp_dir = self.host.getLocalPath(client, C.FILES_TMP_DIR, peer_jid.userhost(), component=True, profile=False)
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148 file_tmp_path = file_data['file_path'] = os.path.join(file_tmp_dir, file_data['name'])
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149
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150 transfer_data['finished_d'].addCallback(self._fileTransferedCb, client, peer_jid, file_data, file_tmp_path)
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151
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152 self._f.openFileWrite(client, file_tmp_path, transfer_data, file_data, stream_object)
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153 return False, defer.succeed(True)
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154
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diff changeset
155 @defer.inlineCallbacks
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156 def _retrieveFiles(self, client, session, content_data, content_name, file_data, file_elt):
2528
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157 """This method retrieve a file on request, and send if after checking permissions"""
2504
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158 peer_jid = session[u'peer_jid']
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159 try:
67cc54b01a12 plugin file sharing component: first draft:
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160 found_files = yield self.host.memory.getFiles(client,
67cc54b01a12 plugin file sharing component: first draft:
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161 peer_jid=peer_jid,
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162 name=file_data.get(u'name'),
2519
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diff changeset
163 file_hash=file_data.get(u'file_hash'),
2504
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164 hash_algo=file_data.get(u'hash_algo'),
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165 path=file_data.get(u'path'),
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166 namespace=file_data.get(u'namespace'))
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167 except exceptions.NotFound:
67cc54b01a12 plugin file sharing component: first draft:
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168 found_files = None
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169 except exceptions.PermissionError:
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170 log.warning(_(u"{peer_jid} is trying to access an unauthorized file: {name}").format(
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171 peer_jid=peer_jid, name=file_data.get(u'name')))
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172 defer.returnValue(False)
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173
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174 if not found_files:
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175 log.warning(_(u"no matching file found ({file_data})").format(file_data=file_data))
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176 defer.returnValue(False)
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177
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178 # we only use the first found file
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179 found_file = found_files[0]
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353880a5c363 component file sharing: fixed hash handling (key has been renamed to "file_hash")
Goffi <goffi@goffi.org>
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180 file_hash = found_file[u'file_hash']
2504
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181 file_path = os.path.join(self.files_path, file_hash)
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182 file_data[u'hash_hasher'] = hasher = self._h.getHasher(found_file[u'hash_algo'])
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183 size = file_data[u'size'] = found_file[u'size']
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184 file_data[u'file_hash'] = file_hash
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185 file_data[u'hash_algo'] = found_file[u'hash_algo']
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186
67cc54b01a12 plugin file sharing component: first draft:
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diff changeset
187 # we complete file_elt so peer can have some details on the file
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188 if u'name' not in file_data:
67cc54b01a12 plugin file sharing component: first draft:
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189 file_elt.addElement(u'name', content=found_file[u'name'])
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diff changeset
190 file_elt.addElement(u'size', content=unicode(size))
67cc54b01a12 plugin file sharing component: first draft:
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diff changeset
191 content_data['stream_object'] = stream.FileStreamObject(
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diff changeset
192 self.host,
67cc54b01a12 plugin file sharing component: first draft:
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diff changeset
193 client,
67cc54b01a12 plugin file sharing component: first draft:
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194 file_path,
67cc54b01a12 plugin file sharing component: first draft:
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diff changeset
195 uid=self._jf.getProgressId(session, content_name),
67cc54b01a12 plugin file sharing component: first draft:
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196 size=size,
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197 data_cb=lambda data: hasher.update(data),
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198 )
67cc54b01a12 plugin file sharing component: first draft:
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diff changeset
199 defer.returnValue(True)
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diff changeset
200
67cc54b01a12 plugin file sharing component: first draft:
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diff changeset
201 def _fileSendingRequestTrigger(self, client, session, content_data, content_name, file_data, file_elt):
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202 if not client.is_component:
67cc54b01a12 plugin file sharing component: first draft:
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203 return True, None
67cc54b01a12 plugin file sharing component: first draft:
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204 else:
67cc54b01a12 plugin file sharing component: first draft:
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205 return False, self._retrieveFiles(client, session, content_data, content_name, file_data, file_elt)
2527
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206
2528
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207 ## comments triggers ##
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208
65e278997715 component file sharing: comments metadata:
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diff changeset
209 def _addFileComments(self, file_elt, extra_args):
65e278997715 component file sharing: comments metadata:
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diff changeset
210 try:
65e278997715 component file sharing: comments metadata:
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diff changeset
211 comments_url = extra_args.pop('comments_url')
65e278997715 component file sharing: comments metadata:
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diff changeset
212 except KeyError:
65e278997715 component file sharing: comments metadata:
Goffi <goffi@goffi.org>
parents: 2527
diff changeset
213 return
65e278997715 component file sharing: comments metadata:
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diff changeset
214
65e278997715 component file sharing: comments metadata:
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diff changeset
215 comment_elt = file_elt.addElement((NS_COMMENTS, 'comments'), content=comments_url)
65e278997715 component file sharing: comments metadata:
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parents: 2527
diff changeset
216
65e278997715 component file sharing: comments metadata:
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parents: 2527
diff changeset
217 try:
65e278997715 component file sharing: comments metadata:
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parents: 2527
diff changeset
218 count = len(extra_args[u'extra'][u'comments'])
65e278997715 component file sharing: comments metadata:
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parents: 2527
diff changeset
219 except KeyError:
65e278997715 component file sharing: comments metadata:
Goffi <goffi@goffi.org>
parents: 2527
diff changeset
220 count = 0
65e278997715 component file sharing: comments metadata:
Goffi <goffi@goffi.org>
parents: 2527
diff changeset
221
65e278997715 component file sharing: comments metadata:
Goffi <goffi@goffi.org>
parents: 2527
diff changeset
222 comment_elt['count'] = unicode(count)
65e278997715 component file sharing: comments metadata:
Goffi <goffi@goffi.org>
parents: 2527
diff changeset
223 return True
65e278997715 component file sharing: comments metadata:
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parents: 2527
diff changeset
224
65e278997715 component file sharing: comments metadata:
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diff changeset
225 def _getFileComments(self, file_elt, file_data):
65e278997715 component file sharing: comments metadata:
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parents: 2527
diff changeset
226 try:
65e278997715 component file sharing: comments metadata:
Goffi <goffi@goffi.org>
parents: 2527
diff changeset
227 comments_elt = next(file_elt.elements(NS_COMMENTS, 'comments'))
65e278997715 component file sharing: comments metadata:
Goffi <goffi@goffi.org>
parents: 2527
diff changeset
228 except StopIteration:
65e278997715 component file sharing: comments metadata:
Goffi <goffi@goffi.org>
parents: 2527
diff changeset
229 return
65e278997715 component file sharing: comments metadata:
Goffi <goffi@goffi.org>
parents: 2527
diff changeset
230 file_data['comments_url'] = unicode(comments_elt)
65e278997715 component file sharing: comments metadata:
Goffi <goffi@goffi.org>
parents: 2527
diff changeset
231 file_data['comments_count'] = comments_elt['count']
65e278997715 component file sharing: comments metadata:
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diff changeset
232 return True
65e278997715 component file sharing: comments metadata:
Goffi <goffi@goffi.org>
parents: 2527
diff changeset
233
65e278997715 component file sharing: comments metadata:
Goffi <goffi@goffi.org>
parents: 2527
diff changeset
234 def _addCommentsData(self, client, iq_elt, owner, node_path, files_data):
65e278997715 component file sharing: comments metadata:
Goffi <goffi@goffi.org>
parents: 2527
diff changeset
235 for file_data in files_data:
65e278997715 component file sharing: comments metadata:
Goffi <goffi@goffi.org>
parents: 2527
diff changeset
236 file_data['comments_url'] = uri.buildXMPPUri('pubsub',
65e278997715 component file sharing: comments metadata:
Goffi <goffi@goffi.org>
parents: 2527
diff changeset
237 path=client.jid.full(),
65e278997715 component file sharing: comments metadata:
Goffi <goffi@goffi.org>
parents: 2527
diff changeset
238 node=COMMENT_NODE_PREFIX + file_data['id'])
65e278997715 component file sharing: comments metadata:
Goffi <goffi@goffi.org>
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diff changeset
239 return True
65e278997715 component file sharing: comments metadata:
Goffi <goffi@goffi.org>
parents: 2527
diff changeset
240
2527
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diff changeset
241
a201194fc461 component file sharing: comments handling first draft:
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diff changeset
242 class Comments_handler(pubsub.PubSubService):
2528
65e278997715 component file sharing: comments metadata:
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diff changeset
243 """This class is a minimal Pubsub service handling virtual nodes for comments"""
2527
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diff changeset
244
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diff changeset
245 def __init__(self, plugin_parent):
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diff changeset
246 super(Comments_handler, self).__init__() # PubsubVirtualResource())
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diff changeset
247 self.host = plugin_parent.host
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diff changeset
248 self.plugin_parent = plugin_parent
2529
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diff changeset
249 self.discoIdentity = {'category': 'pubsub',
cbbf2ff2ef3f component file sharing: changed pubsub identity:
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diff changeset
250 'type': 'virtual', # FIXME: non standard, here to avoid this service being considered as main pubsub one
cbbf2ff2ef3f component file sharing: changed pubsub identity:
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parents: 2528
diff changeset
251 'name': 'files commenting service'}
2527
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parents: 2522
diff changeset
252
a201194fc461 component file sharing: comments handling first draft:
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parents: 2522
diff changeset
253 def _getFileId(self, nodeIdentifier):
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parents: 2522
diff changeset
254 if not nodeIdentifier.startswith(COMMENT_NODE_PREFIX):
a201194fc461 component file sharing: comments handling first draft:
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parents: 2522
diff changeset
255 raise error.StanzaError('item-not-found')
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parents: 2522
diff changeset
256 file_id = nodeIdentifier[len(COMMENT_NODE_PREFIX):]
a201194fc461 component file sharing: comments handling first draft:
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parents: 2522
diff changeset
257 if not file_id:
a201194fc461 component file sharing: comments handling first draft:
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parents: 2522
diff changeset
258 raise error.StanzaError('item-not-found')
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parents: 2522
diff changeset
259 return file_id
a201194fc461 component file sharing: comments handling first draft:
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parents: 2522
diff changeset
260
a201194fc461 component file sharing: comments handling first draft:
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parents: 2522
diff changeset
261 @defer.inlineCallbacks
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
262 def getFileData(self, requestor, nodeIdentifier):
a201194fc461 component file sharing: comments handling first draft:
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parents: 2522
diff changeset
263 file_id = self._getFileId(nodeIdentifier)
a201194fc461 component file sharing: comments handling first draft:
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parents: 2522
diff changeset
264 try:
a201194fc461 component file sharing: comments handling first draft:
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diff changeset
265 files = yield self.host.memory.getFiles(self.parent, requestor, file_id)
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parents: 2522
diff changeset
266 except (exceptions.NotFound, exceptions.PermissionError):
a201194fc461 component file sharing: comments handling first draft:
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parents: 2522
diff changeset
267 # we don't differenciate between NotFound and PermissionError
a201194fc461 component file sharing: comments handling first draft:
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parents: 2522
diff changeset
268 # to avoid leaking information on existing files
a201194fc461 component file sharing: comments handling first draft:
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parents: 2522
diff changeset
269 raise error.StanzaError('item-not-found')
a201194fc461 component file sharing: comments handling first draft:
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parents: 2522
diff changeset
270 if not files:
a201194fc461 component file sharing: comments handling first draft:
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parents: 2522
diff changeset
271 raise error.StanzaError('item-not-found')
a201194fc461 component file sharing: comments handling first draft:
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parents: 2522
diff changeset
272 if len(files) > 1:
a201194fc461 component file sharing: comments handling first draft:
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parents: 2522
diff changeset
273 raise error.InternalError('there should be only one file')
a201194fc461 component file sharing: comments handling first draft:
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parents: 2522
diff changeset
274 defer.returnValue(files[0])
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parents: 2522
diff changeset
275
a201194fc461 component file sharing: comments handling first draft:
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parents: 2522
diff changeset
276 def commentsUpdate(self, extra, new_comments, peer_jid):
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parents: 2522
diff changeset
277 """update comments (replace or insert new_comments)
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parents: 2522
diff changeset
278
a201194fc461 component file sharing: comments handling first draft:
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diff changeset
279 @param extra(dict): extra data to update
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parents: 2522
diff changeset
280 @param new_comments(list[tuple(unicode, unicode, unicode)]): comments to update or insert
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parents: 2522
diff changeset
281 @param peer_jid(unicode, None): bare jid of the requestor, or None if request is done by owner
a201194fc461 component file sharing: comments handling first draft:
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parents: 2522
diff changeset
282 """
a201194fc461 component file sharing: comments handling first draft:
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parents: 2522
diff changeset
283 current_comments = extra.setdefault('comments', [])
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
284 new_comments_by_id = {c[0]:c for c in new_comments}
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
285 updated = []
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
286 # we now check every current comment, to see if one id in new ones
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
287 # exist, in which case we must update
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
288 for idx, comment in enumerate(current_comments):
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
289 comment_id = comment[0]
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
290 if comment_id in new_comments_by_id:
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
291 # a new comment has an existing id, update is requested
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
292 if peer_jid and comment[1] != peer_jid:
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
293 # requestor has not the right to modify the comment
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
294 raise exceptions.PermissionError
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
295 # we replace old_comment with updated one
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
296 new_comment = new_comments_by_id[comment_id]
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
297 current_comments[idx] = new_comment
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
298 updated.append(new_comment)
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
299
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
300 # we now remove every updated comments, to only keep
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
301 # the ones to insert
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
302 for comment in updated:
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
303 new_comments.remove(comment)
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
304
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
305 current_comments.extend(new_comments)
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
306
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
307 def commentsDelete(self, extra, comments):
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
308 try:
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
309 comments_dict = extra['comments']
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
310 except KeyError:
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
311 return
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
312 for comment in comments:
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
313 try:
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
314 comments_dict.remove(comment)
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
315 except ValueError:
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
316 continue
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
317
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
318 def _getFrom(self, item_elt):
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
319 """retrieve published of an item
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
320
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
321 @param item_elt(domish.element): <item> element
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
322 @return (unicode): full jid as string
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
323 """
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
324 iq_elt = item_elt
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
325 while iq_elt.parent != None:
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
326 iq_elt = iq_elt.parent
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
327 return iq_elt['from']
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
328
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
329 @defer.inlineCallbacks
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
330 def publish(self, requestor, service, nodeIdentifier, items):
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
331 # we retrieve file a first time to check authorisations
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
332 file_data = yield self.getFileData(requestor, nodeIdentifier)
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
333 file_id = file_data['id']
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
334 comments = [(item['id'], self._getFrom(item), item.toXml()) for item in items]
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
335 if requestor.userhostJID() == file_data['owner']:
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
336 peer_jid = None
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
337 else:
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
338 peer_jid = requestor.userhost()
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
339 update_cb = partial(self.commentsUpdate, new_comments=comments, peer_jid=peer_jid)
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
340 try:
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
341 yield self.host.memory.fileUpdate(file_id, 'extra', update_cb)
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
342 except exceptions.PermissionError:
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
343 raise error.StanzaError('not-authorized')
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
344
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
345 @defer.inlineCallbacks
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
346 def items(self, requestor, service, nodeIdentifier, maxItems,
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
347 itemIdentifiers):
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
348 file_data = yield self.getFileData(requestor, nodeIdentifier)
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
349 comments = file_data['extra'].get('comments', [])
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
350 if itemIdentifiers:
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
351 defer.returnValue([generic.parseXml(c[2]) for c in comments if c[0] in itemIdentifiers])
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
352 else:
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
353 defer.returnValue([generic.parseXml(c[2]) for c in comments])
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
354
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
355 @defer.inlineCallbacks
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
356 def retract(self, requestor, service, nodeIdentifier, itemIdentifiers):
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
357 file_data = yield self.getFileData(requestor, nodeIdentifier)
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
358 file_id = file_data['id']
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
359 try:
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
360 comments = file_data['extra']['comments']
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
361 except KeyError:
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
362 raise error.StanzaError('item-not-found')
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
363
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
364 to_remove = []
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
365 for comment in comments:
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
366 comment_id = comment[0]
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
367 if comment_id in itemIdentifiers:
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
368 to_remove.append(comment)
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
369 itemIdentifiers.remove(comment_id)
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
370 if not itemIdentifiers:
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
371 break
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
372
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
373 if itemIdentifiers:
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
374 # not all items have been to_remove, we can't continue
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
375 raise error.StanzaError('item-not-found')
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
376
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
377 if requestor.userhostJID() != file_data['owner']:
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
378 if not all([c[1] == requestor.userhost() for c in to_remove]):
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
379 raise error.StanzaError('not-authorized')
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
380
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
381 remove_cb = partial(self.commentsDelete, comments=to_remove)
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
382 yield self.host.memory.fileUpdate(file_id, 'extra', remove_cb)