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annotate sat/plugins/plugin_comp_file_sharing.py @ 2764:92af49cde255

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jp (base): MAM and RSM arguments can now be used for pubsub commands: - RSM and MAM args arguments have been added to pubsub group, and activated when multiple items are possible - /!\ --max-items (i.e. pubsub original max) short option has been change for -M, and -m is now used for RSM max - pubsub/search -m option has been renamed -M for same reason as above - pubsub/search -o option has been replaced by -k (for keep), to avoid conflict with order-by (and long version is now --node-max)
author Goffi <goffi@goffi.org>
date Fri, 11 Jan 2019 10:18:02 +0100
parents 56f94936df1e
children 378188abe941
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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
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25 log = getLogger(__name__)
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26 from sat.tools.common import regex
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27 from sat.tools.common import uri
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28 from sat.tools import stream
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29 from twisted.internet import defer
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30 from twisted.words.protocols.jabber import error
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31 from wokkel import pubsub
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32 from wokkel import generic
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33 from functools import partial
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34 import os
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35 import os.path
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36 import mimetypes
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37
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38
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39 PLUGIN_INFO = {
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40 C.PI_NAME: "File sharing component",
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41 C.PI_IMPORT_NAME: "file_sharing",
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42 C.PI_MODES: [C.PLUG_MODE_COMPONENT],
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43 C.PI_TYPE: C.PLUG_TYPE_ENTRY_POINT,
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44 C.PI_PROTOCOLS: [],
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45 C.PI_DEPENDENCIES: [
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46 "FILE",
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47 "XEP-0231",
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48 "XEP-0234",
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49 "XEP-0260",
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50 "XEP-0261",
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51 "XEP-0264",
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52 "XEP-0329",
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53 ],
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54 C.PI_RECOMMENDATIONS: [],
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55 C.PI_MAIN: "FileSharing",
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56 C.PI_HANDLER: C.BOOL_TRUE,
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57 C.PI_DESCRIPTION: _(u"""Component hosting and sharing files"""),
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58 }
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59
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60 HASH_ALGO = u"sha-256"
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61 NS_COMMENTS = "org.salut-a-toi.comments"
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62 COMMENT_NODE_PREFIX = "org.salut-a-toi.file_comments/"
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63
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64
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65 class FileSharing(object):
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66 def __init__(self, host):
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67 log.info(_(u"File Sharing initialization"))
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68 self.host = host
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69 self._f = host.plugins["FILE"]
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70 self._jf = host.plugins["XEP-0234"]
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71 self._h = host.plugins["XEP-0300"]
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72 self._t = host.plugins["XEP-0264"]
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73 host.trigger.add("FILE_getDestDir", self._getDestDirTrigger)
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74 host.trigger.add(
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75 "XEP-0234_fileSendingRequest", self._fileSendingRequestTrigger, priority=1000
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76 )
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77 host.trigger.add("XEP-0234_buildFileElement", self._addFileComments)
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78 host.trigger.add("XEP-0234_parseFileElement", self._getFileComments)
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79 host.trigger.add("XEP-0329_compGetFilesFromNode", self._addCommentsData)
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80 self.files_path = host.getLocalPath(None, C.FILES_DIR, profile=False)
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81
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82 def getHandler(self, client):
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83 return Comments_handler(self)
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84
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85 def profileConnected(self, client):
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86 path = client.file_tmp_dir = os.path.join(
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87 self.host.memory.getConfig("", "local_dir"),
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88 C.FILES_TMP_DIR,
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89 regex.pathEscape(client.profile),
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90 )
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91 if not os.path.exists(path):
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92 os.makedirs(path)
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93
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94 @defer.inlineCallbacks
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95 def _fileTransferedCb(self, dummy, client, peer_jid, file_data, file_path):
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96 """post file reception tasks
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97
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98 on file is received, this method create hash/thumbnails if necessary
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99 move the file to the right location, and create metadata entry in database
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100 """
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101 name = file_data[u"name"]
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102 extra = {}
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103
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104 if file_data[u"hash_algo"] == HASH_ALGO:
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105 log.debug(_(u"Reusing already generated hash"))
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106 file_hash = file_data[u"hash_hasher"].hexdigest()
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107 else:
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108 hasher = self._h.getHasher(HASH_ALGO)
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109 with open("file_path") as f:
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110 file_hash = yield self._h.calculateHash(f, hasher)
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111 final_path = os.path.join(self.files_path, file_hash)
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112
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113 if os.path.isfile(final_path):
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114 log.debug(
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115 u"file [{file_hash}] already exists, we can remove temporary one".format(
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116 file_hash=file_hash
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117 )
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118 )
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119 os.unlink(file_path)
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120 else:
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121 os.rename(file_path, final_path)
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122 log.debug(
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123 u"file [{file_hash}] moved to {files_path}".format(
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124 file_hash=file_hash, files_path=self.files_path
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125 )
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126 )
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127
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128 mime_type = file_data.get(u"mime_type")
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129 if not mime_type or mime_type == u"application/octet-stream":
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130 mime_type = mimetypes.guess_type(name)[0]
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131
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132 if mime_type is not None and mime_type.startswith(u"image"):
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133 thumbnails = extra.setdefault(C.KEY_THUMBNAILS, [])
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134 for max_thumb_size in (self._t.SIZE_SMALL, self._t.SIZE_MEDIUM):
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135 try:
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136 thumb_size, thumb_id = yield self._t.generateThumbnail(
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137 final_path,
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138 max_thumb_size,
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139 #  we keep thumbnails for 6 months
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diff changeset
140 60 * 60 * 24 * 31 * 6,
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diff changeset
141 )
2514
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diff changeset
142 except Exception as e:
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diff changeset
143 log.warning(_(u"Can't create thumbnail: {reason}").format(reason=e))
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diff changeset
144 break
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diff changeset
145 thumbnails.append({u"id": thumb_id, u"size": thumb_size})
2514
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diff changeset
146
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diff changeset
147 self.host.memory.setFile(
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parents: 2562
diff changeset
148 client,
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parents: 2562
diff changeset
149 name=name,
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
150 version=u"",
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
151 file_hash=file_hash,
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
152 hash_algo=HASH_ALGO,
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
153 size=file_data[u"size"],
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
154 path=file_data.get(u"path"),
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
155 namespace=file_data.get(u"namespace"),
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
156 mime_type=mime_type,
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
157 owner=peer_jid,
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
158 extra=extra,
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parents: 2562
diff changeset
159 )
2504
67cc54b01a12 plugin file sharing component: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
160
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parents: 2562
diff changeset
161 def _getDestDirTrigger(
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parents: 2562
diff changeset
162 self, client, peer_jid, transfer_data, file_data, stream_object
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parents: 2562
diff changeset
163 ):
2528
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parents: 2527
diff changeset
164 """This trigger accept file sending request, and store file locally"""
2504
67cc54b01a12 plugin file sharing component: first draft:
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parents:
diff changeset
165 if not client.is_component:
67cc54b01a12 plugin file sharing component: first draft:
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parents:
diff changeset
166 return True, None
67cc54b01a12 plugin file sharing component: first draft:
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parents:
diff changeset
167 assert stream_object
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diff changeset
168 assert "stream_object" not in transfer_data
2514
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parents: 2504
diff changeset
169 assert C.KEY_PROGRESS_ID in file_data
2624
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parents: 2562
diff changeset
170 filename = file_data["name"]
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parents: 2562
diff changeset
171 assert filename and not "/" in filename
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
172 file_tmp_dir = self.host.getLocalPath(
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
173 client, C.FILES_TMP_DIR, peer_jid.userhost(), component=True, profile=False
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
174 )
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parents: 2562
diff changeset
175 file_tmp_path = file_data["file_path"] = os.path.join(
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
176 file_tmp_dir, file_data["name"]
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
177 )
2504
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parents:
diff changeset
178
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diff changeset
179 transfer_data["finished_d"].addCallback(
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parents: 2562
diff changeset
180 self._fileTransferedCb, client, peer_jid, file_data, file_tmp_path
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parents: 2562
diff changeset
181 )
2504
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parents:
diff changeset
182
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parents: 2562
diff changeset
183 self._f.openFileWrite(
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parents: 2562
diff changeset
184 client, file_tmp_path, transfer_data, file_data, stream_object
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
185 )
2504
67cc54b01a12 plugin file sharing component: first draft:
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parents:
diff changeset
186 return False, defer.succeed(True)
67cc54b01a12 plugin file sharing component: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
187
67cc54b01a12 plugin file sharing component: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
188 @defer.inlineCallbacks
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parents: 2562
diff changeset
189 def _retrieveFiles(
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
190 self, client, session, content_data, content_name, file_data, file_elt
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
191 ):
2528
65e278997715 component file sharing: comments metadata:
Goffi <goffi@goffi.org>
parents: 2527
diff changeset
192 """This method retrieve a file on request, and send if after checking permissions"""
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diff changeset
193 peer_jid = session[u"peer_jid"]
2504
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parents:
diff changeset
194 try:
2624
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parents: 2562
diff changeset
195 found_files = yield self.host.memory.getFiles(
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parents: 2562
diff changeset
196 client,
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
197 peer_jid=peer_jid,
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
198 name=file_data.get(u"name"),
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
199 file_hash=file_data.get(u"file_hash"),
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
200 hash_algo=file_data.get(u"hash_algo"),
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
201 path=file_data.get(u"path"),
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
202 namespace=file_data.get(u"namespace"),
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
203 )
2504
67cc54b01a12 plugin file sharing component: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
204 except exceptions.NotFound:
67cc54b01a12 plugin file sharing component: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
205 found_files = None
67cc54b01a12 plugin file sharing component: first draft:
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parents:
diff changeset
206 except exceptions.PermissionError:
2624
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parents: 2562
diff changeset
207 log.warning(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
208 _(u"{peer_jid} is trying to access an unauthorized file: {name}").format(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
209 peer_jid=peer_jid, name=file_data.get(u"name")
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
210 )
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
211 )
2504
67cc54b01a12 plugin file sharing component: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
212 defer.returnValue(False)
67cc54b01a12 plugin file sharing component: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
213
67cc54b01a12 plugin file sharing component: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
214 if not found_files:
2624
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
215 log.warning(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
216 _(u"no matching file found ({file_data})").format(file_data=file_data)
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
217 )
2504
67cc54b01a12 plugin file sharing component: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
218 defer.returnValue(False)
67cc54b01a12 plugin file sharing component: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
219
67cc54b01a12 plugin file sharing component: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
220 # we only use the first found file
67cc54b01a12 plugin file sharing component: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
221 found_file = found_files[0]
2624
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
222 file_hash = found_file[u"file_hash"]
2504
67cc54b01a12 plugin file sharing component: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
223 file_path = os.path.join(self.files_path, file_hash)
2624
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
224 file_data[u"hash_hasher"] = hasher = self._h.getHasher(found_file[u"hash_algo"])
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
225 size = file_data[u"size"] = found_file[u"size"]
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
226 file_data[u"file_hash"] = file_hash
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
227 file_data[u"hash_algo"] = found_file[u"hash_algo"]
2504
67cc54b01a12 plugin file sharing component: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
228
67cc54b01a12 plugin file sharing component: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
229 # we complete file_elt so peer can have some details on the file
2624
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
230 if u"name" not in file_data:
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
231 file_elt.addElement(u"name", content=found_file[u"name"])
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
232 file_elt.addElement(u"size", content=unicode(size))
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
233 content_data["stream_object"] = stream.FileStreamObject(
2504
67cc54b01a12 plugin file sharing component: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
234 self.host,
67cc54b01a12 plugin file sharing component: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
235 client,
67cc54b01a12 plugin file sharing component: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
236 file_path,
67cc54b01a12 plugin file sharing component: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
237 uid=self._jf.getProgressId(session, content_name),
67cc54b01a12 plugin file sharing component: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
238 size=size,
67cc54b01a12 plugin file sharing component: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
239 data_cb=lambda data: hasher.update(data),
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
240 )
2504
67cc54b01a12 plugin file sharing component: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
241 defer.returnValue(True)
67cc54b01a12 plugin file sharing component: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
242
2624
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
243 def _fileSendingRequestTrigger(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
244 self, client, session, content_data, content_name, file_data, file_elt
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
245 ):
2504
67cc54b01a12 plugin file sharing component: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
246 if not client.is_component:
67cc54b01a12 plugin file sharing component: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
247 return True, None
67cc54b01a12 plugin file sharing component: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
248 else:
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
249 return (
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
250 False,
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
251 self._retrieveFiles(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
252 client, session, content_data, content_name, file_data, file_elt
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
253 ),
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
254 )
2527
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
255
2528
65e278997715 component file sharing: comments metadata:
Goffi <goffi@goffi.org>
parents: 2527
diff changeset
256 ## comments triggers ##
65e278997715 component file sharing: comments metadata:
Goffi <goffi@goffi.org>
parents: 2527
diff changeset
257
65e278997715 component file sharing: comments metadata:
Goffi <goffi@goffi.org>
parents: 2527
diff changeset
258 def _addFileComments(self, file_elt, extra_args):
65e278997715 component file sharing: comments metadata:
Goffi <goffi@goffi.org>
parents: 2527
diff changeset
259 try:
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
260 comments_url = extra_args.pop("comments_url")
2528
65e278997715 component file sharing: comments metadata:
Goffi <goffi@goffi.org>
parents: 2527
diff changeset
261 except KeyError:
65e278997715 component file sharing: comments metadata:
Goffi <goffi@goffi.org>
parents: 2527
diff changeset
262 return
65e278997715 component file sharing: comments metadata:
Goffi <goffi@goffi.org>
parents: 2527
diff changeset
263
2624
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
264 comment_elt = file_elt.addElement((NS_COMMENTS, "comments"), content=comments_url)
2528
65e278997715 component file sharing: comments metadata:
Goffi <goffi@goffi.org>
parents: 2527
diff changeset
265
65e278997715 component file sharing: comments metadata:
Goffi <goffi@goffi.org>
parents: 2527
diff changeset
266 try:
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
267 count = len(extra_args[u"extra"][u"comments"])
2528
65e278997715 component file sharing: comments metadata:
Goffi <goffi@goffi.org>
parents: 2527
diff changeset
268 except KeyError:
65e278997715 component file sharing: comments metadata:
Goffi <goffi@goffi.org>
parents: 2527
diff changeset
269 count = 0
65e278997715 component file sharing: comments metadata:
Goffi <goffi@goffi.org>
parents: 2527
diff changeset
270
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
271 comment_elt["count"] = unicode(count)
2528
65e278997715 component file sharing: comments metadata:
Goffi <goffi@goffi.org>
parents: 2527
diff changeset
272 return True
65e278997715 component file sharing: comments metadata:
Goffi <goffi@goffi.org>
parents: 2527
diff changeset
273
65e278997715 component file sharing: comments metadata:
Goffi <goffi@goffi.org>
parents: 2527
diff changeset
274 def _getFileComments(self, file_elt, file_data):
65e278997715 component file sharing: comments metadata:
Goffi <goffi@goffi.org>
parents: 2527
diff changeset
275 try:
2624
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
276 comments_elt = next(file_elt.elements(NS_COMMENTS, "comments"))
2528
65e278997715 component file sharing: comments metadata:
Goffi <goffi@goffi.org>
parents: 2527
diff changeset
277 except StopIteration:
65e278997715 component file sharing: comments metadata:
Goffi <goffi@goffi.org>
parents: 2527
diff changeset
278 return
2624
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
279 file_data["comments_url"] = unicode(comments_elt)
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
280 file_data["comments_count"] = comments_elt["count"]
2528
65e278997715 component file sharing: comments metadata:
Goffi <goffi@goffi.org>
parents: 2527
diff changeset
281 return True
65e278997715 component file sharing: comments metadata:
Goffi <goffi@goffi.org>
parents: 2527
diff changeset
282
65e278997715 component file sharing: comments metadata:
Goffi <goffi@goffi.org>
parents: 2527
diff changeset
283 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
284 for file_data in files_data:
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
285 file_data["comments_url"] = uri.buildXMPPUri(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
286 "pubsub",
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
287 path=client.jid.full(),
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
288 node=COMMENT_NODE_PREFIX + file_data["id"],
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
289 )
2528
65e278997715 component file sharing: comments metadata:
Goffi <goffi@goffi.org>
parents: 2527
diff changeset
290 return True
65e278997715 component file sharing: comments metadata:
Goffi <goffi@goffi.org>
parents: 2527
diff changeset
291
2527
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
292
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
293 class Comments_handler(pubsub.PubSubService):
2528
65e278997715 component file sharing: comments metadata:
Goffi <goffi@goffi.org>
parents: 2527
diff changeset
294 """This class is a minimal Pubsub service handling virtual nodes for comments"""
2527
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
295
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
296 def __init__(self, plugin_parent):
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
297 super(Comments_handler, self).__init__() # PubsubVirtualResource())
2527
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
298 self.host = plugin_parent.host
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
299 self.plugin_parent = plugin_parent
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
300 self.discoIdentity = {
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
301 "category": "pubsub",
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
302 "type": "virtual", # FIXME: non standard, here to avoid this service being considered as main pubsub one
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
303 "name": "files commenting service",
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
304 }
2527
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
305
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
306 def _getFileId(self, nodeIdentifier):
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
307 if not nodeIdentifier.startswith(COMMENT_NODE_PREFIX):
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
308 raise error.StanzaError("item-not-found")
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
309 file_id = nodeIdentifier[len(COMMENT_NODE_PREFIX) :]
2527
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
310 if not file_id:
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
311 raise error.StanzaError("item-not-found")
2527
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
312 return file_id
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
313
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
314 @defer.inlineCallbacks
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
315 def getFileData(self, requestor, nodeIdentifier):
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
316 file_id = self._getFileId(nodeIdentifier)
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
317 try:
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
318 files = yield self.host.memory.getFiles(self.parent, requestor, file_id)
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
319 except (exceptions.NotFound, exceptions.PermissionError):
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
320 # we don't differenciate between NotFound and PermissionError
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
321 # to avoid leaking information on existing files
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
322 raise error.StanzaError("item-not-found")
2527
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
323 if not files:
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
324 raise error.StanzaError("item-not-found")
2527
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
325 if len(files) > 1:
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
326 raise error.InternalError("there should be only one file")
2527
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
327 defer.returnValue(files[0])
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
328
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
329 def commentsUpdate(self, extra, new_comments, peer_jid):
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
330 """update comments (replace or insert new_comments)
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
331
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
332 @param extra(dict): extra data to update
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
333 @param new_comments(list[tuple(unicode, unicode, unicode)]): comments to update or insert
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
334 @param peer_jid(unicode, None): bare jid of the requestor, or None if request is done by owner
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
335 """
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
336 current_comments = extra.setdefault("comments", [])
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
337 new_comments_by_id = {c[0]: c for c in new_comments}
2527
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
338 updated = []
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
339 # 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
340 # exist, in which case we must update
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
341 for idx, comment in enumerate(current_comments):
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
342 comment_id = comment[0]
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
343 if comment_id in new_comments_by_id:
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
344 # 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
345 if peer_jid and comment[1] != peer_jid:
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
346 # 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
347 raise exceptions.PermissionError
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
348 # we replace old_comment with updated one
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
349 new_comment = new_comments_by_id[comment_id]
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
350 current_comments[idx] = new_comment
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
351 updated.append(new_comment)
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
352
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
353 # 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
354 # the ones to insert
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
355 for comment in updated:
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
356 new_comments.remove(comment)
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
357
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
358 current_comments.extend(new_comments)
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
359
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
360 def commentsDelete(self, extra, comments):
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
361 try:
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
362 comments_dict = extra["comments"]
2527
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
363 except KeyError:
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
364 return
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 try:
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
367 comments_dict.remove(comment)
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
368 except ValueError:
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
369 continue
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
370
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
371 def _getFrom(self, item_elt):
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
372 """retrieve published of an item
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 @param item_elt(domish.element): <item> element
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
375 @return (unicode): full jid as string
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 iq_elt = item_elt
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
378 while iq_elt.parent != None:
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
379 iq_elt = iq_elt.parent
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
380 return iq_elt["from"]
2527
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
381
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
382 @defer.inlineCallbacks
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
383 def publish(self, requestor, service, nodeIdentifier, items):
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
384 #  we retrieve file a first time to check authorisations
2527
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
385 file_data = yield self.getFileData(requestor, nodeIdentifier)
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
386 file_id = file_data["id"]
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
387 comments = [(item["id"], self._getFrom(item), item.toXml()) for item in items]
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
388 if requestor.userhostJID() == file_data["owner"]:
2527
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
389 peer_jid = None
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
390 else:
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
391 peer_jid = requestor.userhost()
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
392 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
393 try:
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
394 yield self.host.memory.fileUpdate(file_id, "extra", update_cb)
2527
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
395 except exceptions.PermissionError:
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
396 raise error.StanzaError("not-authorized")
2527
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
397
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
398 @defer.inlineCallbacks
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
399 def items(self, requestor, service, nodeIdentifier, maxItems, itemIdentifiers):
2527
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
400 file_data = yield self.getFileData(requestor, nodeIdentifier)
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
401 comments = file_data["extra"].get("comments", [])
2527
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
402 if itemIdentifiers:
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
403 defer.returnValue(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
404 [generic.parseXml(c[2]) for c in comments if c[0] in itemIdentifiers]
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
405 )
2527
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
406 else:
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
407 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
408
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
409 @defer.inlineCallbacks
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
410 def retract(self, requestor, service, nodeIdentifier, itemIdentifiers):
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
411 file_data = yield self.getFileData(requestor, nodeIdentifier)
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
412 file_id = file_data["id"]
2527
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
413 try:
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
414 comments = file_data["extra"]["comments"]
2527
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
415 except KeyError:
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
416 raise error.StanzaError("item-not-found")
2527
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
417
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
418 to_remove = []
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
419 for comment in comments:
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
420 comment_id = comment[0]
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
421 if comment_id in itemIdentifiers:
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
422 to_remove.append(comment)
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
423 itemIdentifiers.remove(comment_id)
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
424 if not itemIdentifiers:
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
425 break
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
426
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
427 if itemIdentifiers:
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
diff changeset
428 # not all items have been to_remove, we can't continue
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
429 raise error.StanzaError("item-not-found")
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430
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431 if requestor.userhostJID() != file_data["owner"]:
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432 if not all([c[1] == requestor.userhost() for c in to_remove]):
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diff changeset
433 raise error.StanzaError("not-authorized")
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434
a201194fc461 component file sharing: comments handling first draft:
Goffi <goffi@goffi.org>
parents: 2522
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435 remove_cb = partial(self.commentsDelete, comments=to_remove)
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parents: 2562
diff changeset
436 yield self.host.memory.fileUpdate(file_id, "extra", remove_cb)