Mercurial > libervia-backend
annotate sat/plugins/plugin_exp_invitation.py @ 3209:f14eb24328d0
core (memory/cache): purge cache metadata when the referenced file doesn't exist
author | Goffi <goffi@goffi.org> |
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date | Fri, 06 Mar 2020 18:19:03 +0100 |
parents | 559a625a236b |
children | b57b5e42e894 |
rev | line source |
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3028 | 1 #!/usr/bin/env python3 |
3137 | 2 |
2231 | 3 |
4 # SAT plugin to detect language (experimental) | |
3136 | 5 # Copyright (C) 2009-2020 Jérôme Poisson (goffi@goffi.org) |
2231 | 6 |
7 # This program is free software: you can redistribute it and/or modify | |
8 # it under the terms of the GNU Affero General Public License as published by | |
9 # the Free Software Foundation, either version 3 of the License, or | |
10 # (at your option) any later version. | |
11 | |
12 # This program is distributed in the hope that it will be useful, | |
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 # GNU Affero General Public License for more details. | |
16 | |
17 # You should have received a copy of the GNU Affero General Public License | |
18 # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
19 | |
20 from sat.core.i18n import _ | |
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21 from sat.core import exceptions |
2231 | 22 from sat.core.constants import Const as C |
23 from sat.core.log import getLogger | |
24 from twisted.internet import defer | |
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25 from twisted.words.protocols.jabber import jid |
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26 from wokkel import disco, iwokkel |
3028 | 27 from zope.interface import implementer |
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28 from twisted.words.protocols.jabber.xmlstream import XMPPHandler |
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29 |
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30 log = getLogger(__name__) |
2231 | 31 |
32 | |
33 PLUGIN_INFO = { | |
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34 C.PI_NAME: "Invitation", |
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35 C.PI_IMPORT_NAME: "INVITATION", |
2231 | 36 C.PI_TYPE: "EXP", |
37 C.PI_PROTOCOLS: [], | |
3028 | 38 C.PI_DEPENDENCIES: ["XEP-0060", "XEP-0329"], |
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39 C.PI_RECOMMENDATIONS: [], |
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40 C.PI_MAIN: "Invitation", |
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41 C.PI_HANDLER: "yes", |
3028 | 42 C.PI_DESCRIPTION: _("Experimental handling of invitations"), |
2231 | 43 } |
44 | |
3028 | 45 NS_INVITATION = "https://salut-a-toi/protocol/invitation:0" |
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46 INVITATION = '/message/invitation[@xmlns="{ns_invit}"]'.format( |
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47 ns_invit=NS_INVITATION |
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48 ) |
3028 | 49 NS_INVITATION_LIST = NS_INVITATION + "#list" |
2231 | 50 |
51 | |
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52 class Invitation(object): |
2231 | 53 |
54 def __init__(self, host): | |
3028 | 55 log.info(_("Invitation plugin initialization")) |
2231 | 56 self.host = host |
57 self._p = self.host.plugins["XEP-0060"] | |
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58 # map from namespace of the invitation to callback handling it |
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59 self._ns_cb = {} |
2231 | 60 |
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61 def getHandler(self, client): |
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62 return PubsubInvitationHandler(self) |
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63 |
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64 def registerNamespace(self, namespace, callback): |
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65 """Register a callback for a namespace |
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66 |
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67 @param namespace(unicode): namespace handled |
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68 @param callback(callbable): method handling the invitation |
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69 For pubsub invitation, it will be called with following arguments: |
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70 - client |
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71 - name(unicode, None): name of the event |
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72 - extra(dict): extra data |
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73 - service(jid.JID): pubsub service jid |
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74 - node(unicode): pubsub node |
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75 - item_id(unicode, None): pubsub item id |
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76 - item_elt(domish.Element): item of the invitation |
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77 For file sharing invitation, it will be called with following arguments: |
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78 - client |
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79 - name(unicode, None): name of the repository |
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80 - extra(dict): extra data |
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81 - service(jid.JID): service jid of the file repository |
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82 - repos_type(unicode): type of the repository, can be: |
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83 - files: generic file sharing |
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84 - photos: photos album |
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85 - namespace(unicode, None): namespace of the repository |
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86 - path(unicode, None): path of the repository |
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87 @raise exceptions.ConflictError: this namespace is already registered |
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88 """ |
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89 if namespace in self._ns_cb: |
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90 raise exceptions.ConflictError( |
3028 | 91 "invitation namespace {namespace} is already register with {callback}" |
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92 .format(namespace=namespace, callback=self._ns_cb[namespace])) |
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93 self._ns_cb[namespace] = callback |
2231 | 94 |
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95 def _generateBaseInvitation(self, client, invitee_jid, name, extra): |
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96 """Generate common mess_data end invitation_elt |
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97 |
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98 @param invitee_jid(jid.JID): entitee to send invitation to |
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99 @param name(unicode, None): name of the shared repository |
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100 @param extra(dict, None): extra data, where key can be: |
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101 - thumb_url: URL of a thumbnail |
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102 @return (tuple[dict, domish.Element): mess_data and invitation_elt |
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103 """ |
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104 mess_data = { |
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105 "from": client.jid, |
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106 "to": invitee_jid, |
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107 "uid": "", |
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108 "message": {}, |
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109 "type": C.MESS_TYPE_CHAT, |
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110 "subject": {}, |
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111 "extra": {}, |
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112 } |
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113 client.generateMessageXML(mess_data) |
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114 invitation_elt = mess_data["xml"].addElement("invitation", NS_INVITATION) |
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115 if name is not None: |
3028 | 116 invitation_elt["name"] = name |
117 thumb_url = extra.get('thumb_url') | |
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118 if thumb_url: |
3028 | 119 if not thumb_url.startswith('http'): |
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120 log.warning( |
3028 | 121 "only http URLs are allowed for thumbnails, got {url}, ignoring" |
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122 .format(url=thumb_url)) |
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123 else: |
3028 | 124 invitation_elt['thumb_url'] = thumb_url |
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125 return mess_data, invitation_elt |
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126 |
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127 def sendPubsubInvitation(self, client, invitee_jid, service, node, |
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128 item_id, name, extra): |
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129 """Send an pubsub invitation in a <message> stanza |
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130 |
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131 @param invitee_jid(jid.JID): entitee to send invitation to |
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132 @param service(jid.JID): pubsub service |
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133 @param node(unicode): pubsub node |
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134 @param item_id(unicode): pubsub id |
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135 @param name(unicode, None): see [_generateBaseInvitation] |
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136 @param extra(dict, None): see [_generateBaseInvitation] |
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137 """ |
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138 if extra is None: |
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139 extra = {} |
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140 mess_data, invitation_elt = self._generateBaseInvitation( |
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141 client, invitee_jid, name, extra) |
3028 | 142 pubsub_elt = invitation_elt.addElement("pubsub") |
143 pubsub_elt["service"] = service.full() | |
144 pubsub_elt["node"] = node | |
145 pubsub_elt["item"] = item_id | |
146 return client.send(mess_data["xml"]) | |
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147 |
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148 def sendFileSharingInvitation(self, client, invitee_jid, service, repos_type=None, |
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149 namespace=None, path=None, name=None, extra=None): |
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150 """Send a file sharing invitation in a <message> stanza |
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151 |
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152 @param invitee_jid(jid.JID): entitee to send invitation to |
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153 @param service(jid.JID): file sharing service |
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154 @param repos_type(unicode, None): type of files repository, can be: |
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155 - None, "files": files sharing |
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156 - "photos": photos album |
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157 @param namespace(unicode, None): namespace of the shared repository |
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158 @param path(unicode, None): path of the shared repository |
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159 @param name(unicode, None): see [_generateBaseInvitation] |
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160 @param extra(dict, None): see [_generateBaseInvitation] |
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161 """ |
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162 if extra is None: |
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163 extra = {} |
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164 mess_data, invitation_elt = self._generateBaseInvitation( |
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165 client, invitee_jid, name, extra) |
3028 | 166 file_sharing_elt = invitation_elt.addElement("file_sharing") |
167 file_sharing_elt["service"] = service.full() | |
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168 if repos_type is not None: |
3028 | 169 if repos_type not in ("files", "photos"): |
170 msg = "unknown repository type: {repos_type}".format( | |
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171 repos_type=repos_type) |
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172 log.warning(msg) |
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173 raise exceptions.DateError(msg) |
3028 | 174 file_sharing_elt["type"] = repos_type |
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175 if namespace is not None: |
3028 | 176 file_sharing_elt["namespace"] = namespace |
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177 if path is not None: |
3028 | 178 file_sharing_elt["path"] = path |
179 return client.send(mess_data["xml"]) | |
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180 |
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181 @defer.inlineCallbacks |
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182 def _parsePubsubElt(self, client, pubsub_elt): |
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183 try: |
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184 service = jid.JID(pubsub_elt["service"]) |
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185 node = pubsub_elt["node"] |
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186 item_id = pubsub_elt.getAttribute("item") |
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187 except (RuntimeError, KeyError): |
3028 | 188 log.warning(_("Bad invitation, ignoring")) |
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189 raise exceptions.DataError |
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190 |
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191 try: |
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192 items, metadata = yield self._p.getItems(client, service, node, |
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193 item_ids=[item_id]) |
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194 except Exception as e: |
3028 | 195 log.warning(_("Can't get item linked with invitation: {reason}").format( |
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196 reason=e)) |
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197 try: |
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198 item_elt = items[0] |
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199 except IndexError: |
3028 | 200 log.warning(_("Invitation was linking to a non existing item")) |
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201 raise exceptions.DataError |
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202 |
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203 try: |
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204 namespace = item_elt.firstChildElement().uri |
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205 except Exception as e: |
3028 | 206 log.warning(_("Can't retrieve namespace of invitation: {reason}").format( |
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207 reason = e)) |
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208 raise exceptions.DataError |
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209 |
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210 args = [service, node, item_id, item_elt] |
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211 defer.returnValue((namespace, args)) |
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212 |
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213 def _parseFileSharingElt(self, client, file_sharing_elt): |
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214 try: |
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215 service = jid.JID(file_sharing_elt["service"]) |
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216 except (RuntimeError, KeyError): |
3028 | 217 log.warning(_("Bad invitation, ignoring")) |
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218 raise exceptions.DataError |
3028 | 219 repos_type = file_sharing_elt.getAttribute("type", "files") |
220 namespace = file_sharing_elt.getAttribute("namespace") | |
221 path = file_sharing_elt.getAttribute("path") | |
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222 args = [service, repos_type, namespace, path] |
3028 | 223 ns_fis = self.host.getNamespace("fis") |
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224 return ns_fis, args |
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225 |
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226 @defer.inlineCallbacks |
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227 def onInvitation(self, message_elt, client): |
3028 | 228 log.debug("invitation received [{profile}]".format(profile=client.profile)) |
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229 invitation_elt = message_elt.invitation |
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230 |
3028 | 231 name = invitation_elt.getAttribute("name") |
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232 extra = {} |
3028 | 233 if invitation_elt.hasAttribute("thumb_url"): |
234 extra['thumb_url'] = invitation_elt['thumb_url'] | |
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235 |
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236 for elt in invitation_elt.elements(): |
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237 if elt.uri != NS_INVITATION: |
3028 | 238 log.warning("unexpected element: {xml}".format(xml=elt.toXml())) |
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239 continue |
3028 | 240 if elt.name == "pubsub": |
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241 method = self._parsePubsubElt |
3028 | 242 elif elt.name == "file_sharing": |
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243 method = self._parseFileSharingElt |
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244 else: |
3028 | 245 log.warning("not implemented invitation element: {xml}".format( |
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246 xml = elt.toXml())) |
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247 continue |
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248 try: |
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249 namespace, args = yield method(client, elt) |
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250 except exceptions.DataError: |
3028 | 251 log.warning("Can't parse invitation element: {xml}".format( |
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252 xml = elt.toXml())) |
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253 continue |
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254 |
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255 try: |
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256 cb = self._ns_cb[namespace] |
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257 except KeyError: |
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258 log.warning(_( |
3028 | 259 'No handler for namespace "{namespace}", invitation ignored') |
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260 .format(namespace=namespace)) |
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261 else: |
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262 cb(client, name, extra, *args) |
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263 |
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264 |
3028 | 265 @implementer(iwokkel.IDisco) |
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266 class PubsubInvitationHandler(XMPPHandler): |
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267 |
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268 def __init__(self, plugin_parent): |
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269 self.plugin_parent = plugin_parent |
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270 |
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271 def connectionInitialized(self): |
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272 self.xmlstream.addObserver( |
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273 INVITATION, self.plugin_parent.onInvitation, client=self.parent |
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274 ) |
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275 |
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276 def getDiscoInfo(self, requestor, target, nodeIdentifier=""): |
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277 return [ |
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278 disco.DiscoFeature(NS_INVITATION), |
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279 ] |
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280 |
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281 def getDiscoItems(self, requestor, target, nodeIdentifier=""): |
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282 return [] |