Mercurial > libervia-backend
annotate sat/plugins/plugin_xep_0313.py @ 2744:e6716d90c2fe
plugin XEP-0384: various bug fixes:
- fixed trust management on message sending, when trusts are missing
- retrieve identiy keys when trust has not been set yet
- added our own device when it is found missing on PEP notification
- mark message as trusted when suitable
| author | Goffi <goffi@goffi.org> |
|---|---|
| date | Thu, 03 Jan 2019 21:04:55 +0100 |
| parents | bb6adaa580ee |
| children | 3480d4fdf83a |
| rev | line source |
|---|---|
|
1934
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1 #!/usr/bin/env python2 |
| 1277 | 2 # -*- coding: utf-8 -*- |
| 3 | |
| 4 # SAT plugin for Message Archive Management (XEP-0313) | |
| 2483 | 5 # Copyright (C) 2009-2018 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 |
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42 |
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43 MESSAGE_RESULT = "/message/result[@xmlns='{mam_ns}' and @queryid='{query_id}']" |
| 1277 | 44 |
| 45 PLUGIN_INFO = { | |
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46 C.PI_NAME: u"Message Archive Management", |
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47 C.PI_IMPORT_NAME: u"XEP-0313", |
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48 C.PI_TYPE: u"XEP", |
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49 C.PI_PROTOCOLS: [u"XEP-0313"], |
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50 C.PI_DEPENDENCIES: [u"XEP-0059", u"XEP-0359"], |
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51 C.PI_MAIN: u"XEP_0313", |
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52 C.PI_HANDLER: u"yes", |
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53 C.PI_DESCRIPTION: _(u"""Implementation of Message Archive Management"""), |
| 1277 | 54 } |
| 55 | |
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56 MAM_PREFIX = u"mam_" |
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57 FILTER_PREFIX = MAM_PREFIX + "filter_" |
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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 host.bridge.addMethod( |
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68 "MAMGet", ".plugin", in_sign='sss', |
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69 out_sign='(a(sdssa{ss}a{ss}sa{ss})a{ss}s)', method=self._getArchives, |
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70 async=True) |
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71 |
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72 @defer.inlineCallbacks |
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73 def profileConnected(self, client): |
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74 last_mess = yield self.host.memory.historyGet( |
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75 None, None, limit=1, filters={u'not_types': C.MESS_TYPE_GROUPCHAT, |
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76 u'last_stanza_id': True}, |
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77 profile=client.profile) |
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78 if not last_mess: |
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79 log.info(_(u"It seems that we have no MAM history yet")) |
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80 return |
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81 stanza_id = last_mess[0][-1][u'stanza_id'] |
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82 rsm_req = rsm.RSMRequest(max_=100, after=stanza_id) |
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83 mam_req = mam.MAMRequest(rsm_=rsm_req) |
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84 complete = False |
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85 count = 0 |
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86 while not complete: |
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87 mam_data = yield self.getArchives(client, mam_req, |
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88 service=client.jid.userhostJID()) |
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89 elt_list, rsm_response, mam_response = mam_data |
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90 complete = mam_response[u"complete"] |
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91 # we update MAM request for next iteration |
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92 mam_req.rsm.after = rsm_response.last |
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93 if not elt_list: |
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94 break |
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95 else: |
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96 count += len(elt_list) |
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97 |
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98 for mess_elt in elt_list: |
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99 try: |
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100 fwd_message_elt = self.getMessageFromResult(client, mess_elt, mam_req) |
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101 except exceptions.DataError: |
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102 continue |
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103 |
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104 client.messageProt.onMessage(fwd_message_elt) |
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105 |
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106 if not count: |
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107 log.info(_(u"We have received no message while offline")) |
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108 else: |
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109 log.info(_(u"We have received {num_mess} message(s) while offline.") |
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110 .format(num_mess=count)) |
| 1277 | 111 |
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112 def getHandler(self, client): |
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113 mam_client = client._mam = SatMAMClient() |
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114 return mam_client |
| 1277 | 115 |
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116 def parseExtra(self, extra, with_rsm=True): |
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117 """Parse extra dictionnary to retrieve MAM arguments |
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118 |
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119 @param extra(dict): data for parse |
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120 @param with_rsm(bool): if True, RSM data will be parsed too |
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121 @return (data_form, None): request with parsed arguments |
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122 or None if no MAM arguments have been found |
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123 """ |
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124 mam_args = {} |
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125 form_args = {} |
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126 for arg in (u"start", u"end"): |
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127 try: |
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128 value = extra.pop(MAM_PREFIX + arg) |
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129 form_args[arg] = datetime.fromtimestamp(float(value), tz.tzutc()) |
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130 except (TypeError, ValueError): |
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131 log.warning(u"Bad value for {arg} filter ({value}), ignoring".format( |
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132 arg=arg, value=value)) |
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133 except KeyError: |
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134 continue |
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135 |
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136 try: |
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137 form_args[u"with_jid"] = jid.JID(extra.pop( |
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138 MAM_PREFIX + u"with")) |
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139 except (jid.InvalidFormat): |
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140 log.warning(u"Bad value for jid filter") |
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141 except KeyError: |
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142 pass |
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143 |
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144 for name, value in extra.iteritems(): |
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145 if name.startswith(FILTER_PREFIX): |
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146 var = name[len(FILTER_PREFIX) :] |
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147 extra_fields = form_args.setdefault(u"extra_fields", []) |
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148 extra_fields.append(data_form.Field(var=var, value=value)) |
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149 |
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150 for arg in (u"node", u"query_id"): |
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151 try: |
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152 value = extra.pop(MAM_PREFIX + arg) |
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153 mam_args[arg] = value |
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154 except KeyError: |
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155 continue |
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156 |
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157 if with_rsm: |
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158 rsm_request = self._rsm.parseExtra(extra) |
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159 if rsm_request is not None: |
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160 mam_args["rsm_"] = rsm_request |
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161 |
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162 if form_args: |
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163 mam_args["form"] = mam.buildForm(**form_args) |
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164 |
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165 return mam.MAMRequest(**mam_args) if mam_args else None |
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166 |
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167 def serialise(self, mam_response, data=None): |
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168 """Serialise data for MAM |
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169 |
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170 Key set in data can be: |
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171 - mam_complete: a bool const indicating if all items have been received |
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172 - mam_stable: a bool const which is False if items order may be changed |
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173 All values are set as strings. |
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174 @param mam_response(dict): response data to serialise |
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175 @param data(dict, None): dict to update with mam_* data. |
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176 If None, a new dict is created |
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177 @return (dict): data dict |
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178 """ |
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179 if data is None: |
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180 data = {} |
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181 data[u"mam_complete"] = C.boolConst(mam_response[u'complete']) |
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182 data[u"mam_stable"] = C.boolConst(mam_response[u'stable']) |
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183 return data |
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184 |
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185 def getMessageFromResult(self, client, mess_elt, mam_req, service=None): |
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186 """Extract usable <message/> from MAM query result |
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187 |
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188 The message will be validated, and stanza-id/delay will be added if necessary. |
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189 @param mess_elt(domish.Element): result <message/> element wrapping the message |
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190 to retrieve |
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191 @param mam_req(mam.MAMRequest): request used (needed to get query_id) |
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192 @param service(jid.JID, None): MAM service where the request has been sent |
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193 None if it's user server |
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194 @return (domish.Element): <message/> that can be used directly with onMessage |
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195 """ |
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196 if mess_elt.name != u"message": |
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197 log.warning(u"unexpected stanza in archive: {xml}".format( |
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198 xml=mess_elt.toXml())) |
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199 raise exceptions.DataError(u"Invalid element") |
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200 service_jid = client.jid.userhostJID() if service is None else service |
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201 mess_from = mess_elt[u"from"] |
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202 # we check that the message has been sent by the right service |
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203 # if service is None (i.e. message expected from our own server) |
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204 # from can be server jid or user's bare jid |
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205 if (mess_from != service_jid.full() |
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206 and not (service is None and mess_from == client.jid.host)): |
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207 log.error(u"Message is not from our server, something went wrong: " |
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208 u"{xml}".format(xml=mess_elt.toXml())) |
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209 raise exceptions.DataError(u"Invalid element") |
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210 try: |
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211 result_elt = next(mess_elt.elements(mam.NS_MAM, u"result")) |
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212 forwarded_elt = next(result_elt.elements(C.NS_FORWARD, u"forwarded")) |
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213 try: |
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214 delay_elt = next(forwarded_elt.elements(C.NS_DELAY, u"delay")) |
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215 except StopIteration: |
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216 # delay_elt is not mandatory |
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217 delay_elt = None |
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218 fwd_message_elt = next(forwarded_elt.elements(C.NS_CLIENT, u"message")) |
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219 except StopIteration: |
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220 log.warning(u"Invalid message received from MAM: {xml}".format( |
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221 xml=mess_elt.toXml())) |
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222 raise exceptions.DataError(u"Invalid element") |
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223 else: |
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224 if not result_elt[u"queryid"] == mam_req.query_id: |
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225 log.error(u"Unexpected query id (was expecting {query_id}): {xml}" |
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226 .format(query_id=mam.query_id, xml=mess_elt.toXml())) |
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227 raise exceptions.DataError(u"Invalid element") |
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228 stanza_id = self._sid.getStanzaId(fwd_message_elt, |
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229 service_jid) |
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230 if stanza_id is None: |
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231 # not stanza-id element is present, we add one so message |
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232 # will be archived with it, and we won't request several times |
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233 # the same MAM achive |
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234 try: |
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235 stanza_id = result_elt[u"id"] |
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236 except AttributeError: |
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237 log.warning(u'Invalid MAM result: missing "id" attribute: {xml}' |
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238 .format(xml=result_elt.toXml())) |
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239 raise exceptions.DataError(u"Invalid element") |
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240 self._sid.addStanzaId(client, fwd_message_elt, stanza_id, by=service_jid) |
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241 |
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242 if delay_elt is not None: |
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243 fwd_message_elt.addChild(delay_elt) |
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244 |
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245 return fwd_message_elt |
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246 |
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247 def queryFields(self, client, service=None): |
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248 """Ask the server about supported fields. |
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249 |
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250 @param service: entity offering the MAM service (None for user archives) |
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251 @return (D(data_form.Form)): form with the implemented fields (cf XEP-0313 §4.1.5) |
| 1277 | 252 """ |
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253 return client._mam.queryFields(service) |
| 1277 | 254 |
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255 def queryArchive(self, client, mam_req, service=None): |
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256 """Query a user, MUC or pubsub archive. |
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257 |
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258 @param mam_req(mam.MAMRequest): MAM query instance |
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259 @param service(jid.JID, None): entity offering the MAM service |
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260 None for user server |
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261 @return (D(domish.Element)): <IQ/> result |
| 1277 | 262 """ |
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263 return client._mam.queryArchive(mam_req, service) |
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264 |
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265 def _appendMessage(self, elt_list, message_cb, message_elt): |
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266 if message_cb is not None: |
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267 elt_list.append(message_cb(message_elt)) |
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268 else: |
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269 elt_list.append(message_elt) |
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270 |
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271 def _queryFinished(self, iq_result, client, elt_list, event): |
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272 client.xmlstream.removeObserver(event, self._appendMessage) |
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273 try: |
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274 fin_elt = iq_result.elements(mam.NS_MAM, "fin").next() |
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275 except StopIteration: |
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276 raise exceptions.DataError(u"Invalid MAM result") |
| 1277 | 277 |
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278 mam_response = {u"complete": C.bool(fin_elt.getAttribute(u"complete", C.BOOL_FALSE)), |
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279 u"stable": C.bool(fin_elt.getAttribute(u"stable", C.BOOL_TRUE))} |
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280 |
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281 try: |
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282 rsm_response = rsm.RSMResponse.fromElement(fin_elt) |
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283 except rsm.RSMNotFoundError: |
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284 rsm_response = None |
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285 |
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286 return (elt_list, rsm_response, mam_response) |
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287 |
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288 def serializeArchiveResult(self, data, client, mam_req, service): |
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289 elt_list, rsm_response, mam_response = data |
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290 mess_list = [] |
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291 for elt in elt_list: |
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292 fwd_message_elt = self.getMessageFromResult(client, elt, mam_req, |
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293 service=service) |
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294 mess_data = client.messageProt.parseMessage(fwd_message_elt) |
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295 mess_list.append(client.messageGetBridgeArgs(mess_data)) |
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296 metadata = self._rsm.serialise(rsm_response) |
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297 self.serialise(mam_response, metadata) |
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298 return mess_list, metadata, client.profile |
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299 |
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300 def _getArchives(self, service, extra_ser, profile_key): |
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301 """ |
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302 @return: tuple with: |
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303 - list of message with same data as in bridge.messageNew |
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304 - response metadata with: |
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305 - rsm data (rsm_first, rsm_last, rsm_count, rsm_index) |
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306 - mam data (mam_complete, mam_stable) |
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307 - profile |
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308 """ |
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309 client = self.host.getClient(profile_key) |
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310 service = jid.JID(service) if service else None |
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311 extra = data_format.deserialise(extra_ser, {}) |
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312 mam_req = self.parseExtra(extra) |
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313 |
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314 d = self.getArchives(client, mam_req, service=service) |
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315 d.addCallback(self.serializeArchiveResult, client, mam_req, service) |
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316 return d |
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317 |
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318 def getArchives(self, client, query, service=None, message_cb=None): |
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319 """Query archive and gather page result |
| 1277 | 320 |
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321 @param query(mam.MAMRequest): MAM request |
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322 @param service(jid.JID, None): MAM service to use |
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323 None to use our own server |
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324 @param message_cb(callable, None): callback to use on each message |
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325 this method can be used to unwrap messages |
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326 @return (tuple[list[domish.Element], rsm.RSMResponse, dict): result data with: |
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327 - list of found elements |
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328 - RSM response |
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329 - MAM response, which is a dict with following value: |
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330 - complete: a boolean which is True if all items have been received |
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331 - stable: a boolean which is False if items order may be changed |
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332 """ |
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333 if query.query_id is None: |
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334 query.query_id = unicode(uuid.uuid4()) |
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335 elt_list = [] |
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336 event = MESSAGE_RESULT.format(mam_ns=mam.NS_MAM, query_id=query.query_id) |
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337 client.xmlstream.addObserver(event, self._appendMessage, 0, elt_list, message_cb) |
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338 d = self.queryArchive(client, query, service) |
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339 d.addCallback(self._queryFinished, client, elt_list, event) |
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340 return d |
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341 |
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342 def getPrefs(self, client, service=None): |
| 1277 | 343 """Retrieve the current user preferences. |
| 344 | |
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345 @param service: entity offering the MAM service (None for user archives) |
| 1277 | 346 @return: the server response as a Deferred domish.Element |
| 347 """ | |
| 348 # http://xmpp.org/extensions/xep-0313.html#prefs | |
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349 return client._mam.queryPrefs(service) |
| 1277 | 350 |
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351 def _setPrefs(self, service_s=None, default="roster", always=None, never=None, |
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352 profile_key=C.PROF_KEY_NONE): |
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353 service = jid.JID(service_s) if service_s else None |
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354 always_jid = [jid.JID(entity) for entity in always] |
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355 never_jid = [jid.JID(entity) for entity in never] |
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356 # TODO: why not build here a MAMPrefs object instead of passing the args separately? |
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357 return self.setPrefs(service, default, always_jid, never_jid, profile_key) |
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358 |
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359 def setPrefs(self, client, service=None, default="roster", always=None, never=None): |
| 1277 | 360 """Set news user preferences. |
| 361 | |
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362 @param service: entity offering the MAM service (None for user archives) |
| 1277 | 363 @param default (unicode): a value in ('always', 'never', 'roster') |
| 364 @param always (list): a list of JID instances | |
| 365 @param never (list): a list of JID instances | |
| 366 @param profile_key (unicode): %(doc_profile_key)s | |
| 367 @return: the server response as a Deferred domish.Element | |
| 368 """ | |
| 369 # http://xmpp.org/extensions/xep-0313.html#prefs | |
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370 return client._mam.setPrefs(service, default, always, never) |
| 1277 | 371 |
| 372 | |
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373 class SatMAMClient(mam.MAMClient): |
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374 implements(disco.IDisco) |
| 1277 | 375 |
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376 def getDiscoInfo(self, requestor, target, nodeIdentifier=""): |
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377 return [disco.DiscoFeature(mam.NS_MAM)] |
| 1277 | 378 |
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379 def getDiscoItems(self, requestor, target, nodeIdentifier=""): |
| 1277 | 380 return [] |