Mercurial > libervia-backend
annotate sat/plugins/plugin_xep_0313.py @ 2987:8990ed9aad31
quick_frontend (contact list): fixed `nick` use for groupchat:
during the profile connection workflow, joined rooms are retrieved, then presence are
filled, all asynchronously. In some cases, all rooms may not be joined when presence are
filled, resulting in cache being already filled with a `nick` when cache is set for the
room itself. Because of that, a `nick` may be displayed in contact list instead of MUC local
part. This patch fixes it by removing `nick` if it exists when cache a MUC room.
fix 305
author | Goffi <goffi@goffi.org> |
---|---|
date | Fri, 05 Jul 2019 15:58:15 +0200 |
parents | 32b6893240e0 |
children | 93da7c6f8e0c |
rev | line source |
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1934
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use of /usr/bin/env instead of /usr/bin/python in shebang
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1 #!/usr/bin/env python2 |
1277 | 2 # -*- coding: utf-8 -*- |
3 | |
4 # SAT plugin for Message Archive Management (XEP-0313) | |
2771 | 5 # Copyright (C) 2009-2019 Jérôme Poisson (goffi@goffi.org) |
1766 | 6 # Copyright (C) 2013-2016 Adrien Cossa (souliane@mailoo.org) |
1277 | 7 |
8 # This program is free software: you can redistribute it and/or modify | |
9 # it under the terms of the GNU Affero General Public License as published by | |
10 # the Free Software Foundation, either version 3 of the License, or | |
11 # (at your option) any later version. | |
12 | |
13 # This program is distributed in the hope that it will be useful, | |
14 # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 # GNU Affero General Public License for more details. | |
17 | |
18 # You should have received a copy of the GNU Affero General Public License | |
19 # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
20 | |
21 from sat.core.constants import Const as C | |
22 from sat.core.i18n import _ | |
23 from sat.core.log import getLogger | |
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24 from sat.core import exceptions |
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25 from sat.tools.common import data_format |
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26 from twisted.words.protocols.jabber import jid |
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27 from twisted.internet import defer |
1277 | 28 from zope.interface import implements |
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29 from datetime import datetime |
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30 from dateutil import tz |
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31 from wokkel import disco |
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32 from wokkel import data_form |
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33 import uuid |
1277 | 34 |
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35 # XXX: mam and rsm come from sat_tmp.wokkel |
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36 from wokkel import rsm |
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37 from wokkel import mam |
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38 |
1277 | 39 |
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40 log = getLogger(__name__) |
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41 |
1277 | 42 PLUGIN_INFO = { |
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43 C.PI_NAME: u"Message Archive Management", |
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44 C.PI_IMPORT_NAME: u"XEP-0313", |
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45 C.PI_TYPE: u"XEP", |
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46 C.PI_PROTOCOLS: [u"XEP-0313"], |
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47 C.PI_DEPENDENCIES: [u"XEP-0059", u"XEP-0359"], |
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48 C.PI_MAIN: u"XEP_0313", |
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49 C.PI_HANDLER: u"yes", |
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50 C.PI_DESCRIPTION: _(u"""Implementation of Message Archive Management"""), |
1277 | 51 } |
52 | |
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53 MAM_PREFIX = u"mam_" |
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54 FILTER_PREFIX = MAM_PREFIX + "filter_" |
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55 KEY_LAST_STANZA_ID = u"last_stanza_id" |
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56 MESSAGE_RESULT = "/message/result[@xmlns='{mam_ns}' and @queryid='{query_id}']" |
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57 MESSAGE_STANZA_ID = '/message/stanza-id[@xmlns="{ns_stanza_id}"]' |
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58 |
1277 | 59 |
60 class XEP_0313(object): | |
61 def __init__(self, host): | |
62 log.info(_("Message Archive Management plugin initialization")) | |
63 self.host = host | |
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64 self.host.registerNamespace(u"mam", mam.NS_MAM) |
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65 self._rsm = host.plugins[u"XEP-0059"] |
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66 self._sid = host.plugins[u"XEP-0359"] |
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67 # Deferred used to store last stanza id in order of reception |
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68 self._last_stanza_id_d = defer.Deferred() |
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69 self._last_stanza_id_d.callback(None) |
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70 host.bridge.addMethod( |
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71 "MAMGet", ".plugin", in_sign='sss', |
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72 out_sign='(a(sdssa{ss}a{ss}sa{ss})a{ss}s)', method=self._getArchives, |
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73 async=True) |
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74 |
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75 @defer.inlineCallbacks |
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76 def profileConnected(self, client): |
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77 stanza_id_data = yield self.host.memory.storage.getPrivates( |
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78 mam.NS_MAM, [KEY_LAST_STANZA_ID], profile=client.profile) |
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79 stanza_id = stanza_id_data.get(KEY_LAST_STANZA_ID) |
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80 if stanza_id is None: |
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81 log.info(u"can't retrieve last stanza ID, checking history") |
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82 last_mess = yield self.host.memory.historyGet( |
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83 None, None, limit=1, filters={u'not_types': C.MESS_TYPE_GROUPCHAT, |
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84 u'last_stanza_id': True}, |
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85 profile=client.profile) |
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86 if not last_mess: |
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87 log.info(_(u"It seems that we have no MAM history yet")) |
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88 return |
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89 stanza_id = last_mess[0][-1][u'stanza_id'] |
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90 rsm_req = rsm.RSMRequest(max_=100, after=stanza_id) |
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91 mam_req = mam.MAMRequest(rsm_=rsm_req) |
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92 complete = False |
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93 count = 0 |
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94 while not complete: |
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95 mam_data = yield self.getArchives(client, mam_req, |
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96 service=client.jid.userhostJID()) |
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97 elt_list, rsm_response, mam_response = mam_data |
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98 complete = mam_response[u"complete"] |
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99 # we update MAM request for next iteration |
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100 mam_req.rsm.after = rsm_response.last |
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101 if not elt_list: |
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102 break |
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103 else: |
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104 count += len(elt_list) |
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105 |
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106 for mess_elt in elt_list: |
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107 try: |
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108 fwd_message_elt = self.getMessageFromResult( |
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109 client, mess_elt, mam_req) |
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110 except exceptions.DataError: |
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111 continue |
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112 |
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113 try: |
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114 destinee = jid.JID(fwd_message_elt['to']) |
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115 except KeyError: |
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116 log.warning(_(u'missing "to" attribute in forwarded message')) |
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117 destinee = client.jid |
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118 if destinee.userhostJID() == client.jid.userhostJID(): |
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119 # message to use, we insert the forwarded message in the normal |
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120 # workflow |
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121 client.xmlstream.dispatch(fwd_message_elt) |
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122 else: |
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123 # this message should be from us, we just add it to history |
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124 try: |
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125 from_jid = jid.JID(fwd_message_elt['from']) |
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126 except KeyError: |
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127 log.warning(_(u'missing "from" attribute in forwarded message')) |
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128 from_jid = client.jid |
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129 if from_jid.userhostJID() != client.jid.userhostJID(): |
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130 log.warning(_( |
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131 u'was expecting a message sent by our jid, but this one if ' |
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132 u'from {from_jid}, ignoring\n{xml}').format( |
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133 from_jid=from_jid.full(), xml=mess_elt.toXml())) |
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134 continue |
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135 # adding message to history |
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136 mess_data = client.messageProt.parseMessage(fwd_message_elt) |
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137 yield client.messageProt.addToHistory(mess_data) |
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138 |
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139 if not count: |
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140 log.info(_(u"We have received no message while offline")) |
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141 else: |
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142 log.info(_(u"We have received {num_mess} message(s) while offline.") |
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143 .format(num_mess=count)) |
1277 | 144 |
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145 def getHandler(self, client): |
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146 mam_client = client._mam = SatMAMClient(self) |
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147 return mam_client |
1277 | 148 |
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149 def parseExtra(self, extra, with_rsm=True): |
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150 """Parse extra dictionnary to retrieve MAM arguments |
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151 |
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152 @param extra(dict): data for parse |
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153 @param with_rsm(bool): if True, RSM data will be parsed too |
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154 @return (data_form, None): request with parsed arguments |
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155 or None if no MAM arguments have been found |
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156 """ |
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157 mam_args = {} |
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158 form_args = {} |
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159 for arg in (u"start", u"end"): |
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160 try: |
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161 value = extra.pop(MAM_PREFIX + arg) |
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162 form_args[arg] = datetime.fromtimestamp(float(value), tz.tzutc()) |
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163 except (TypeError, ValueError): |
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164 log.warning(u"Bad value for {arg} filter ({value}), ignoring".format( |
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165 arg=arg, value=value)) |
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166 except KeyError: |
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167 continue |
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168 |
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169 try: |
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170 form_args[u"with_jid"] = jid.JID(extra.pop( |
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171 MAM_PREFIX + u"with")) |
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172 except (jid.InvalidFormat): |
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173 log.warning(u"Bad value for jid filter") |
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174 except KeyError: |
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175 pass |
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176 |
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177 for name, value in extra.iteritems(): |
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178 if name.startswith(FILTER_PREFIX): |
2763 | 179 var = name[len(FILTER_PREFIX):] |
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180 extra_fields = form_args.setdefault(u"extra_fields", []) |
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181 extra_fields.append(data_form.Field(var=var, value=value)) |
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182 |
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183 for arg in (u"node", u"query_id"): |
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184 try: |
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185 value = extra.pop(MAM_PREFIX + arg) |
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186 mam_args[arg] = value |
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187 except KeyError: |
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188 continue |
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189 |
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190 if with_rsm: |
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191 rsm_request = self._rsm.parseExtra(extra) |
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192 if rsm_request is not None: |
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193 mam_args["rsm_"] = rsm_request |
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194 |
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195 if form_args: |
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196 mam_args["form"] = mam.buildForm(**form_args) |
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197 |
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198 # we only set orderBy if we have other MAM args |
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199 # else we would make a MAM query while it's not expected |
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200 if u"order_by" in extra and mam_args: |
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201 order_by = extra.pop(u"order_by") |
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202 assert isinstance(order_by, list) |
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203 mam_args["orderBy"] = order_by |
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204 |
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205 return mam.MAMRequest(**mam_args) if mam_args else None |
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206 |
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207 def serialise(self, mam_response, data=None): |
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208 """Serialise data for MAM |
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209 |
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210 Key set in data can be: |
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211 - mam_complete: a bool const indicating if all items have been received |
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212 - mam_stable: a bool const which is False if items order may be changed |
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213 All values are set as strings. |
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214 @param mam_response(dict): response data to serialise |
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215 @param data(dict, None): dict to update with mam_* data. |
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216 If None, a new dict is created |
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217 @return (dict): data dict |
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218 """ |
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219 if data is None: |
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220 data = {} |
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221 data[u"mam_complete"] = C.boolConst(mam_response[u'complete']) |
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222 data[u"mam_stable"] = C.boolConst(mam_response[u'stable']) |
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223 return data |
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224 |
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225 def getMessageFromResult(self, client, mess_elt, mam_req, service=None): |
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226 """Extract usable <message/> from MAM query result |
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227 |
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228 The message will be validated, and stanza-id/delay will be added if necessary. |
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229 @param mess_elt(domish.Element): result <message/> element wrapping the message |
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230 to retrieve |
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231 @param mam_req(mam.MAMRequest): request used (needed to get query_id) |
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232 @param service(jid.JID, None): MAM service where the request has been sent |
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233 None if it's user server |
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234 @return domish.Element): <message/> that can be used directly with onMessage |
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235 """ |
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236 if mess_elt.name != u"message": |
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237 log.warning(u"unexpected stanza in archive: {xml}".format( |
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238 xml=mess_elt.toXml())) |
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239 raise exceptions.DataError(u"Invalid element") |
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240 service_jid = client.jid.userhostJID() if service is None else service |
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241 mess_from = mess_elt[u"from"] |
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242 # we check that the message has been sent by the right service |
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243 # if service is None (i.e. message expected from our own server) |
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244 # from can be server jid or user's bare jid |
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245 if (mess_from != service_jid.full() |
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246 and not (service is None and mess_from == client.jid.host)): |
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247 log.error(u"Message is not from our server, something went wrong: " |
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248 u"{xml}".format(xml=mess_elt.toXml())) |
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249 raise exceptions.DataError(u"Invalid element") |
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250 try: |
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251 result_elt = next(mess_elt.elements(mam.NS_MAM, u"result")) |
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252 forwarded_elt = next(result_elt.elements(C.NS_FORWARD, u"forwarded")) |
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253 try: |
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254 delay_elt = next(forwarded_elt.elements(C.NS_DELAY, u"delay")) |
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255 except StopIteration: |
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256 # delay_elt is not mandatory |
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257 delay_elt = None |
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258 fwd_message_elt = next(forwarded_elt.elements(C.NS_CLIENT, u"message")) |
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259 except StopIteration: |
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260 log.warning(u"Invalid message received from MAM: {xml}".format( |
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261 xml=mess_elt.toXml())) |
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262 raise exceptions.DataError(u"Invalid element") |
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263 else: |
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264 if not result_elt[u"queryid"] == mam_req.query_id: |
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265 log.error(u"Unexpected query id (was expecting {query_id}): {xml}" |
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266 .format(query_id=mam.query_id, xml=mess_elt.toXml())) |
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267 raise exceptions.DataError(u"Invalid element") |
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268 stanza_id = self._sid.getStanzaId(fwd_message_elt, |
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269 service_jid) |
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270 if stanza_id is None: |
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271 # not stanza-id element is present, we add one so message |
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272 # will be archived with it, and we won't request several times |
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273 # the same MAM achive |
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274 try: |
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275 stanza_id = result_elt[u"id"] |
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276 except AttributeError: |
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277 log.warning(u'Invalid MAM result: missing "id" attribute: {xml}' |
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278 .format(xml=result_elt.toXml())) |
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279 raise exceptions.DataError(u"Invalid element") |
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280 self._sid.addStanzaId(client, fwd_message_elt, stanza_id, by=service_jid) |
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281 |
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282 if delay_elt is not None: |
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283 fwd_message_elt.addChild(delay_elt) |
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284 |
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285 return fwd_message_elt |
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286 |
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287 def queryFields(self, client, service=None): |
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288 """Ask the server about supported fields. |
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289 |
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290 @param service: entity offering the MAM service (None for user archives) |
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291 @return (D(data_form.Form)): form with the implemented fields (cf XEP-0313 §4.1.5) |
1277 | 292 """ |
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293 return client._mam.queryFields(service) |
1277 | 294 |
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295 def queryArchive(self, client, mam_req, service=None): |
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296 """Query a user, MUC or pubsub archive. |
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297 |
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298 @param mam_req(mam.MAMRequest): MAM query instance |
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299 @param service(jid.JID, None): entity offering the MAM service |
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300 None for user server |
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301 @return (D(domish.Element)): <IQ/> result |
1277 | 302 """ |
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303 return client._mam.queryArchive(mam_req, service) |
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304 |
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305 def _appendMessage(self, elt_list, message_cb, message_elt): |
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306 if message_cb is not None: |
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307 elt_list.append(message_cb(message_elt)) |
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308 else: |
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309 elt_list.append(message_elt) |
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310 |
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311 def _queryFinished(self, iq_result, client, elt_list, event): |
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312 client.xmlstream.removeObserver(event, self._appendMessage) |
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313 try: |
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314 fin_elt = iq_result.elements(mam.NS_MAM, "fin").next() |
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315 except StopIteration: |
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316 raise exceptions.DataError(u"Invalid MAM result") |
1277 | 317 |
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318 mam_response = {u"complete": C.bool(fin_elt.getAttribute(u"complete", C.BOOL_FALSE)), |
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319 u"stable": C.bool(fin_elt.getAttribute(u"stable", C.BOOL_TRUE))} |
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320 |
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321 try: |
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322 rsm_response = rsm.RSMResponse.fromElement(fin_elt) |
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323 except rsm.RSMNotFoundError: |
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324 rsm_response = None |
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325 |
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326 return (elt_list, rsm_response, mam_response) |
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327 |
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328 def serializeArchiveResult(self, data, client, mam_req, service): |
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329 elt_list, rsm_response, mam_response = data |
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330 mess_list = [] |
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331 for elt in elt_list: |
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332 fwd_message_elt = self.getMessageFromResult(client, elt, mam_req, |
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333 service=service) |
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334 mess_data = client.messageProt.parseMessage(fwd_message_elt) |
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335 mess_list.append(client.messageGetBridgeArgs(mess_data)) |
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336 metadata = self._rsm.serialise(rsm_response) |
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337 self.serialise(mam_response, metadata) |
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338 return mess_list, metadata, client.profile |
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339 |
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340 def _getArchives(self, service, extra_ser, profile_key): |
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341 """ |
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342 @return: tuple with: |
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343 - list of message with same data as in bridge.messageNew |
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344 - response metadata with: |
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345 - rsm data (rsm_first, rsm_last, rsm_count, rsm_index) |
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346 - mam data (mam_complete, mam_stable) |
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347 - profile |
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348 """ |
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349 client = self.host.getClient(profile_key) |
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350 service = jid.JID(service) if service else None |
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351 extra = data_format.deserialise(extra_ser, {}) |
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352 mam_req = self.parseExtra(extra) |
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353 |
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354 d = self.getArchives(client, mam_req, service=service) |
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355 d.addCallback(self.serializeArchiveResult, client, mam_req, service) |
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356 return d |
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357 |
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358 def getArchives(self, client, query, service=None, message_cb=None): |
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359 """Query archive and gather page result |
1277 | 360 |
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361 @param query(mam.MAMRequest): MAM request |
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362 @param service(jid.JID, None): MAM service to use |
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363 None to use our own server |
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364 @param message_cb(callable, None): callback to use on each message |
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365 this method can be used to unwrap messages |
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366 @return (tuple[list[domish.Element], rsm.RSMResponse, dict): result data with: |
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367 - list of found elements |
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368 - RSM response |
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369 - MAM response, which is a dict with following value: |
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370 - complete: a boolean which is True if all items have been received |
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371 - stable: a boolean which is False if items order may be changed |
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372 """ |
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373 if query.query_id is None: |
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374 query.query_id = unicode(uuid.uuid4()) |
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375 elt_list = [] |
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376 event = MESSAGE_RESULT.format(mam_ns=mam.NS_MAM, query_id=query.query_id) |
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377 client.xmlstream.addObserver(event, self._appendMessage, 0, elt_list, message_cb) |
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378 d = self.queryArchive(client, query, service) |
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379 d.addCallback(self._queryFinished, client, elt_list, event) |
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380 return d |
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381 |
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382 def getPrefs(self, client, service=None): |
1277 | 383 """Retrieve the current user preferences. |
384 | |
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385 @param service: entity offering the MAM service (None for user archives) |
1277 | 386 @return: the server response as a Deferred domish.Element |
387 """ | |
388 # http://xmpp.org/extensions/xep-0313.html#prefs | |
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389 return client._mam.queryPrefs(service) |
1277 | 390 |
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391 def _setPrefs(self, service_s=None, default="roster", always=None, never=None, |
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392 profile_key=C.PROF_KEY_NONE): |
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393 service = jid.JID(service_s) if service_s else None |
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394 always_jid = [jid.JID(entity) for entity in always] |
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395 never_jid = [jid.JID(entity) for entity in never] |
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396 # TODO: why not build here a MAMPrefs object instead of passing the args separately? |
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397 return self.setPrefs(service, default, always_jid, never_jid, profile_key) |
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398 |
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399 def setPrefs(self, client, service=None, default="roster", always=None, never=None): |
1277 | 400 """Set news user preferences. |
401 | |
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402 @param service: entity offering the MAM service (None for user archives) |
1277 | 403 @param default (unicode): a value in ('always', 'never', 'roster') |
404 @param always (list): a list of JID instances | |
405 @param never (list): a list of JID instances | |
406 @param profile_key (unicode): %(doc_profile_key)s | |
407 @return: the server response as a Deferred domish.Element | |
408 """ | |
409 # http://xmpp.org/extensions/xep-0313.html#prefs | |
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410 return client._mam.setPrefs(service, default, always, never) |
1277 | 411 |
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412 def onMessageStanzaId(self, message_elt, client): |
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413 """Called when a message with a stanza-id is received |
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414 |
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415 the messages' stanza ids are stored when received, so the last one can be used |
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416 to retrieve missing history on next connection |
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417 @param message_elt(domish.Element): <message> with a stanza-id |
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418 """ |
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419 service_jid = client.jid.userhostJID() |
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420 stanza_id = self._sid.getStanzaId(message_elt, service_jid) |
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421 if stanza_id is None: |
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422 log.debug(u"Ignoring <message>, stanza id is not from our server") |
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423 else: |
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424 # we use self._last_stanza_id_d do be sure that last_stanza_id is stored in |
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425 # the order of reception |
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426 self._last_stanza_id_d.addCallback( |
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427 lambda __: self.host.memory.storage.setPrivateValue( |
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428 namespace=mam.NS_MAM, |
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429 key=KEY_LAST_STANZA_ID, |
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430 value=stanza_id, |
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431 profile=client.profile)) |
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432 |
1277 | 433 |
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434 class SatMAMClient(mam.MAMClient): |
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435 implements(disco.IDisco) |
1277 | 436 |
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437 def __init__(self, plugin_parent): |
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438 self.plugin_parent = plugin_parent |
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439 |
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440 @property |
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441 def host(self): |
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442 return self.parent.host_app |
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443 |
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444 def connectionInitialized(self): |
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445 observer_xpath = MESSAGE_STANZA_ID.format( |
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446 ns_stanza_id=self.host.ns_map[u'stanza_id']) |
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447 self.xmlstream.addObserver( |
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448 observer_xpath, self.plugin_parent.onMessageStanzaId, client=self.parent |
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449 ) |
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450 |
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451 def getDiscoInfo(self, requestor, target, nodeIdentifier=""): |
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452 return [disco.DiscoFeature(mam.NS_MAM)] |
1277 | 453 |
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454 def getDiscoItems(self, requestor, target, nodeIdentifier=""): |
1277 | 455 return [] |