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annotate src/plugins/plugin_comp_file_sharing.py @ 2528:65e278997715

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component file sharing: comments metadata: new <comments> element is added to file metadata, it contains the URL to the comments virtual node and the count of comments (this way client knows if it make sense to request comments or not). Fixed triggers in plugin XEP-0264 (return value was missing). New trigger in plugin XEP-0329 to allow component to add metadata (used here for comments url).
author Goffi <goffi@goffi.org>
date Fri, 16 Mar 2018 18:43:11 +0100
parents a201194fc461
children cbbf2ff2ef3f
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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):
2528
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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
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143 assert 'stream_object' not in transfer_data
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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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155 @defer.inlineCallbacks
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156 def _retrieveFiles(self, client, session, content_data, content_name, file_data, file_elt):
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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,
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161 peer_jid=peer_jid,
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162 name=file_data.get(u'name'),
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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:
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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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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:
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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))
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diff changeset
191 content_data['stream_object'] = stream.FileStreamObject(
67cc54b01a12 plugin file sharing component: first draft:
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diff changeset
192 self.host,
67cc54b01a12 plugin file sharing component: first draft:
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diff changeset
193 client,
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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),
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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)
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):
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202 if not client.is_component:
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203 return True, None
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204 else:
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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
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diff changeset
209 def _addFileComments(self, file_elt, extra_args):
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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')
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212 except KeyError:
65e278997715 component file sharing: comments metadata:
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diff changeset
213 return
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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)
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216
65e278997715 component file sharing: comments metadata:
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diff changeset
217 try:
65e278997715 component file sharing: comments metadata:
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diff changeset
218 count = len(extra_args[u'extra'][u'comments'])
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diff changeset
219 except KeyError:
65e278997715 component file sharing: comments metadata:
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parents: 2527
diff changeset
220 count = 0
65e278997715 component file sharing: comments metadata:
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diff changeset
221
65e278997715 component file sharing: comments metadata:
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diff changeset
222 comment_elt['count'] = unicode(count)
65e278997715 component file sharing: comments metadata:
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diff changeset
223 return True
65e278997715 component file sharing: comments metadata:
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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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diff changeset
226 try:
65e278997715 component file sharing: comments metadata:
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diff changeset
227 comments_elt = next(file_elt.elements(NS_COMMENTS, 'comments'))
65e278997715 component file sharing: comments metadata:
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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:
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diff changeset
231 file_data['comments_count'] = comments_elt['count']
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diff changeset
232 return True
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diff changeset
233
65e278997715 component file sharing: comments metadata:
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diff changeset
234 def _addCommentsData(self, client, iq_elt, owner, node_path, files_data):
65e278997715 component file sharing: comments metadata:
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diff changeset
235 for file_data in files_data:
65e278997715 component file sharing: comments metadata:
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diff changeset
236 file_data['comments_url'] = uri.buildXMPPUri('pubsub',
65e278997715 component file sharing: comments metadata:
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diff changeset
237 path=client.jid.full(),
65e278997715 component file sharing: comments metadata:
Goffi <goffi@goffi.org>
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diff changeset
238 node=COMMENT_NODE_PREFIX + file_data['id'])
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diff changeset
239 return True
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diff changeset
240
2527
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241
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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
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diff changeset
249
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diff changeset
250 def _getFileId(self, nodeIdentifier):
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diff changeset
251 if not nodeIdentifier.startswith(COMMENT_NODE_PREFIX):
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diff changeset
252 raise error.StanzaError('item-not-found')
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diff changeset
253 file_id = nodeIdentifier[len(COMMENT_NODE_PREFIX):]
a201194fc461 component file sharing: comments handling first draft:
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parents: 2522
diff changeset
254 if not file_id:
a201194fc461 component file sharing: comments handling first draft:
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diff changeset
255 raise error.StanzaError('item-not-found')
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parents: 2522
diff changeset
256 return file_id
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parents: 2522
diff changeset
257
a201194fc461 component file sharing: comments handling first draft:
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parents: 2522
diff changeset
258 @defer.inlineCallbacks
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parents: 2522
diff changeset
259 def getFileData(self, requestor, nodeIdentifier):
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diff changeset
260 file_id = self._getFileId(nodeIdentifier)
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parents: 2522
diff changeset
261 try:
a201194fc461 component file sharing: comments handling first draft:
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diff changeset
262 files = yield self.host.memory.getFiles(self.parent, requestor, file_id)
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parents: 2522
diff changeset
263 except (exceptions.NotFound, exceptions.PermissionError):
a201194fc461 component file sharing: comments handling first draft:
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parents: 2522
diff changeset
264 # we don't differenciate between NotFound and PermissionError
a201194fc461 component file sharing: comments handling first draft:
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diff changeset
265 # to avoid leaking information on existing files
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diff changeset
266 raise error.StanzaError('item-not-found')
a201194fc461 component file sharing: comments handling first draft:
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parents: 2522
diff changeset
267 if not files:
a201194fc461 component file sharing: comments handling first draft:
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parents: 2522
diff changeset
268 raise error.StanzaError('item-not-found')
a201194fc461 component file sharing: comments handling first draft:
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parents: 2522
diff changeset
269 if len(files) > 1:
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parents: 2522
diff changeset
270 raise error.InternalError('there should be only one file')
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parents: 2522
diff changeset
271 defer.returnValue(files[0])
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parents: 2522
diff changeset
272
a201194fc461 component file sharing: comments handling first draft:
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parents: 2522
diff changeset
273 def commentsUpdate(self, extra, new_comments, peer_jid):
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parents: 2522
diff changeset
274 """update comments (replace or insert new_comments)
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diff changeset
275
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diff changeset
276 @param extra(dict): extra data to update
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diff changeset
277 @param new_comments(list[tuple(unicode, unicode, unicode)]): comments to update or insert
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parents: 2522
diff changeset
278 @param peer_jid(unicode, None): bare jid of the requestor, or None if request is done by owner
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parents: 2522
diff changeset
279 """
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parents: 2522
diff changeset
280 current_comments = extra.setdefault('comments', [])
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parents: 2522
diff changeset
281 new_comments_by_id = {c[0]:c for c in new_comments}
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parents: 2522
diff changeset
282 updated = []
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
283 # 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
284 # exist, in which case we must update
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
285 for idx, comment in enumerate(current_comments):
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
286 comment_id = comment[0]
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
287 if comment_id in new_comments_by_id:
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
288 # 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
289 if peer_jid and comment[1] != peer_jid:
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
290 # 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
291 raise exceptions.PermissionError
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
292 # we replace old_comment with updated one
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
293 new_comment = new_comments_by_id[comment_id]
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
294 current_comments[idx] = new_comment
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
295 updated.append(new_comment)
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
296
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
297 # 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
298 # the ones to insert
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
299 for comment in updated:
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
300 new_comments.remove(comment)
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
301
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
302 current_comments.extend(new_comments)
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
303
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
304 def commentsDelete(self, extra, comments):
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
305 try:
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
306 comments_dict = extra['comments']
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
307 except KeyError:
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
308 return
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
309 for comment in comments:
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
310 try:
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
311 comments_dict.remove(comment)
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
312 except ValueError:
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
313 continue
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
314
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
315 def _getFrom(self, item_elt):
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
316 """retrieve published of an item
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>
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diff changeset
318 @param item_elt(domish.element): <item> element
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
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diff changeset
319 @return (unicode): full jid as string
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 iq_elt = item_elt
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
322 while iq_elt.parent != None:
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
323 iq_elt = iq_elt.parent
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
324 return iq_elt['from']
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
325
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
326 @defer.inlineCallbacks
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
327 def publish(self, requestor, service, nodeIdentifier, items):
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
328 # 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
329 file_data = yield self.getFileData(requestor, nodeIdentifier)
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
330 file_id = file_data['id']
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
331 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
332 if requestor.userhostJID() == file_data['owner']:
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
333 peer_jid = None
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
334 else:
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
335 peer_jid = requestor.userhost()
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
336 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
337 try:
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
338 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
339 except exceptions.PermissionError:
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
340 raise error.StanzaError('not-authorized')
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
341
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
342 @defer.inlineCallbacks
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
343 def items(self, requestor, service, nodeIdentifier, maxItems,
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
344 itemIdentifiers):
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
345 file_data = yield self.getFileData(requestor, nodeIdentifier)
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
346 comments = file_data['extra'].get('comments', [])
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
347 if itemIdentifiers:
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
348 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
349 else:
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
350 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
351
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
352 @defer.inlineCallbacks
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
353 def retract(self, requestor, service, nodeIdentifier, itemIdentifiers):
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
354 file_data = yield self.getFileData(requestor, nodeIdentifier)
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
355 file_id = file_data['id']
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
356 try:
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
357 comments = file_data['extra']['comments']
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
358 except KeyError:
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
359 raise error.StanzaError('item-not-found')
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
360
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
361 to_remove = []
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
362 for comment in comments:
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
363 comment_id = comment[0]
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
364 if comment_id in itemIdentifiers:
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
365 to_remove.append(comment)
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
366 itemIdentifiers.remove(comment_id)
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
367 if not itemIdentifiers:
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
368 break
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
369
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
370 if itemIdentifiers:
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
371 # 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
372 raise error.StanzaError('item-not-found')
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
373
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
374 if requestor.userhostJID() != file_data['owner']:
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
375 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
376 raise error.StanzaError('not-authorized')
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
377
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
378 remove_cb = partial(self.commentsDelete, comments=to_remove)
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
379 yield self.host.memory.fileUpdate(file_id, 'extra', remove_cb)