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annotate sat/plugins/plugin_comp_file_sharing.py @ 2617:81b70eeb710f

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quick_frontend(contact list): refactored update: update is now called with appropriate constant value (C.UPDATE_ADD, C.UPDATE_DELETE, C.UPDATE_MODIFY and so on) when a widget change visibility according to current options. Before it was linked to cache only (C.UPDATE_ADD was only called when contact was first added to cache). This make widget handling in frontends more easy. Renamed entityToShow to entityVisible, which seems to correspond better. Started reducing lines lenght to 90 chars as a test. May become the new coding style soon.
author Goffi <goffi@goffi.org>
date Sun, 24 Jun 2018 21:59:29 +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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diff changeset
138 def _getDestDirTrigger(self, client, peer_jid, transfer_data, file_data, stream_object):
2528
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139 """This trigger accept file sending request, and store file locally"""
2504
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diff changeset
140 if not client.is_component:
67cc54b01a12 plugin file sharing component: first draft:
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141 return True, None
67cc54b01a12 plugin file sharing component: first draft:
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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']
67cc54b01a12 plugin file sharing component: first draft:
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146 assert filename and not '/' in filename
67cc54b01a12 plugin file sharing component: first draft:
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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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diff changeset
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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diff changeset
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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diff changeset
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,
67cc54b01a12 plugin file sharing component: first draft:
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162 name=file_data.get(u'name'),
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Goffi <goffi@goffi.org>
parents: 2514
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
67cc54b01a12 plugin file sharing component: first draft:
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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
67cc54b01a12 plugin file sharing component: first draft:
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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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Goffi <goffi@goffi.org>
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diff changeset
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'])
67cc54b01a12 plugin file sharing component: first draft:
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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(
67cc54b01a12 plugin file sharing component: first draft:
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parents:
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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diff changeset
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,
67cc54b01a12 plugin file sharing component: first draft:
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197 data_cb=lambda data: hasher.update(data),
67cc54b01a12 plugin file sharing component: first draft:
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198 )
67cc54b01a12 plugin file sharing component: first draft:
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diff changeset
199 defer.returnValue(True)
67cc54b01a12 plugin file sharing component: first draft:
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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):
67cc54b01a12 plugin file sharing component: first draft:
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diff changeset
202 if not client.is_component:
67cc54b01a12 plugin file sharing component: first draft:
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diff changeset
203 return True, None
67cc54b01a12 plugin file sharing component: first draft:
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diff changeset
204 else:
67cc54b01a12 plugin file sharing component: first draft:
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diff changeset
205 return False, self._retrieveFiles(client, session, content_data, content_name, file_data, file_elt)
2527
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206
2528
65e278997715 component file sharing: comments metadata:
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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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parents: 2527
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:
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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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parents: 2527
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:
Goffi <goffi@goffi.org>
parents: 2527
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:
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parents: 2527
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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parents: 2522
diff changeset
242 class Comments_handler(pubsub.PubSubService):
2528
65e278997715 component file sharing: comments metadata:
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parents: 2527
diff changeset
243 """This class is a minimal Pubsub service handling virtual nodes for comments"""
2527
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parents: 2522
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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parents: 2528
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
a201194fc461 component file sharing: comments handling first draft:
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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')
a201194fc461 component file sharing: comments handling first draft:
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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')
a201194fc461 component file sharing: comments handling first draft:
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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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parents: 2522
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])
a201194fc461 component file sharing: comments handling first draft:
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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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parents: 2522
diff changeset
279 @param extra(dict): extra data to update
a201194fc461 component file sharing: comments handling first draft:
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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
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282 """
a201194fc461 component file sharing: comments handling first draft:
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283 current_comments = extra.setdefault('comments', [])
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284 new_comments_by_id = {c[0]:c for c in new_comments}
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285 updated = []
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286 # we now check every current comment, to see if one id in new ones
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287 # exist, in which case we must update
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288 for idx, comment in enumerate(current_comments):
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289 comment_id = comment[0]
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290 if comment_id in new_comments_by_id:
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291 # a new comment has an existing id, update is requested
a201194fc461 component file sharing: comments handling first draft:
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292 if peer_jid and comment[1] != peer_jid:
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293 # requestor has not the right to modify the comment
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294 raise exceptions.PermissionError
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295 # we replace old_comment with updated one
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296 new_comment = new_comments_by_id[comment_id]
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297 current_comments[idx] = new_comment
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diff changeset
298 updated.append(new_comment)
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299
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300 # we now remove every updated comments, to only keep
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301 # the ones to insert
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diff changeset
302 for comment in updated:
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303 new_comments.remove(comment)
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304
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305 current_comments.extend(new_comments)
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306
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diff changeset
307 def commentsDelete(self, extra, comments):
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308 try:
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309 comments_dict = extra['comments']
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310 except KeyError:
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311 return
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312 for comment in comments:
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diff changeset
313 try:
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314 comments_dict.remove(comment)
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diff changeset
315 except ValueError:
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diff changeset
316 continue
a201194fc461 component file sharing: comments handling first draft:
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317
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318 def _getFrom(self, item_elt):
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319 """retrieve published of an item
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320
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321 @param item_elt(domish.element): <item> element
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322 @return (unicode): full jid as string
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323 """
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Goffi <goffi@goffi.org>
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diff changeset
324 iq_elt = item_elt
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diff changeset
325 while iq_elt.parent != None:
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diff changeset
326 iq_elt = iq_elt.parent
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Goffi <goffi@goffi.org>
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diff changeset
327 return iq_elt['from']
a201194fc461 component file sharing: comments handling first draft:
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diff changeset
328
a201194fc461 component file sharing: comments handling first draft:
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diff changeset
329 @defer.inlineCallbacks
a201194fc461 component file sharing: comments handling first draft:
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diff changeset
330 def publish(self, requestor, service, nodeIdentifier, items):
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diff changeset
331 # we retrieve file a first time to check authorisations
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diff changeset
332 file_data = yield self.getFileData(requestor, nodeIdentifier)
a201194fc461 component file sharing: comments handling first draft:
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diff changeset
333 file_id = file_data['id']
a201194fc461 component file sharing: comments handling first draft:
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diff changeset
334 comments = [(item['id'], self._getFrom(item), item.toXml()) for item in items]
a201194fc461 component file sharing: comments handling first draft:
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diff changeset
335 if requestor.userhostJID() == file_data['owner']:
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diff changeset
336 peer_jid = None
a201194fc461 component file sharing: comments handling first draft:
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diff changeset
337 else:
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diff changeset
338 peer_jid = requestor.userhost()
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diff changeset
339 update_cb = partial(self.commentsUpdate, new_comments=comments, peer_jid=peer_jid)
a201194fc461 component file sharing: comments handling first draft:
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diff changeset
340 try:
a201194fc461 component file sharing: comments handling first draft:
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diff changeset
341 yield self.host.memory.fileUpdate(file_id, 'extra', update_cb)
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Goffi <goffi@goffi.org>
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diff changeset
342 except exceptions.PermissionError:
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diff changeset
343 raise error.StanzaError('not-authorized')
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
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diff changeset
344
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
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diff changeset
345 @defer.inlineCallbacks
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
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diff changeset
346 def items(self, requestor, service, nodeIdentifier, maxItems,
a201194fc461 component file sharing: comments handling first draft:
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diff changeset
347 itemIdentifiers):
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diff changeset
348 file_data = yield self.getFileData(requestor, nodeIdentifier)
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diff changeset
349 comments = file_data['extra'].get('comments', [])
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diff changeset
350 if itemIdentifiers:
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diff changeset
351 defer.returnValue([generic.parseXml(c[2]) for c in comments if c[0] in itemIdentifiers])
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Goffi <goffi@goffi.org>
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diff changeset
352 else:
a201194fc461 component file sharing: comments handling first draft:
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diff changeset
353 defer.returnValue([generic.parseXml(c[2]) for c in comments])
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Goffi <goffi@goffi.org>
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diff changeset
354
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
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diff changeset
355 @defer.inlineCallbacks
a201194fc461 component file sharing: comments handling first draft:
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diff changeset
356 def retract(self, requestor, service, nodeIdentifier, itemIdentifiers):
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diff changeset
357 file_data = yield self.getFileData(requestor, nodeIdentifier)
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diff changeset
358 file_id = file_data['id']
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
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diff changeset
359 try:
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
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diff changeset
360 comments = file_data['extra']['comments']
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
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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)