src/third_party/libjingle/source/talk/xmpp/mucroomlookuptask.cc

   1 /*
   2  * libjingle
   3  * Copyright 2011, Google Inc.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions are met:
   7  *
   8  *  1. Redistributions of source code must retain the above copyright notice,
   9  *     this list of conditions and the following disclaimer.
  10  *  2. Redistributions in binary form must reproduce the above copyright notice,
  11  *     this list of conditions and the following disclaimer in the documentation
  12  *     and/or other materials provided with the distribution.
  13  *  3. The name of the author may not be used to endorse or promote products
  14  *     derived from this software without specific prior written permission.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
  17  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  18  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
  19  * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  20  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  21  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
  22  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  23  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  24  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  25  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26  */
  27
  28 #include "talk/xmpp/mucroomlookuptask.h"
  29
  30 #include "talk/xmpp/constants.h"
  31 #include "webrtc/base/logging.h"
  32 #include "webrtc/base/scoped_ptr.h"
  33
  34
  35 namespace buzz {
  36
  37 MucRoomLookupTask*
  38 MucRoomLookupTask::CreateLookupTaskForRoomName(XmppTaskParentInterface* parent,
  39                                      const Jid& lookup_server_jid,
  40                                      const std::string& room_name,
  41                                      const std::string& room_domain) {
  42   return new MucRoomLookupTask(parent, lookup_server_jid,
  43                                MakeNameQuery(room_name, room_domain));
  44 }
  45
  46 MucRoomLookupTask*
  47 MucRoomLookupTask::CreateLookupTaskForRoomJid(XmppTaskParentInterface* parent,
  48                                               const Jid& lookup_server_jid,
  49                                               const Jid& room_jid) {
  50   return new MucRoomLookupTask(parent, lookup_server_jid,
  51                                MakeJidQuery(room_jid));
  52 }
  53
  54 MucRoomLookupTask*
  55 MucRoomLookupTask::CreateLookupTaskForHangoutId(XmppTaskParentInterface* parent,
  56                                                 const Jid& lookup_server_jid,
  57                                                 const std::string& hangout_id) {
  58   return new MucRoomLookupTask(parent, lookup_server_jid,
  59                                MakeHangoutIdQuery(hangout_id));
  60 }
  61
  62 MucRoomLookupTask*
  63 MucRoomLookupTask::CreateLookupTaskForExternalId(
  64     XmppTaskParentInterface* parent,
  65     const Jid& lookup_server_jid,
  66     const std::string& external_id,
  67     const std::string& type) {
  68   return new MucRoomLookupTask(parent, lookup_server_jid,
  69                                MakeExternalIdQuery(external_id, type));
  70 }
  71
  72 MucRoomLookupTask::MucRoomLookupTask(XmppTaskParentInterface* parent,
  73                                      const Jid& lookup_server_jid,
  74                                      XmlElement* query)
  75     : IqTask(parent, STR_SET, lookup_server_jid, query) {
  76 }
  77
  78 XmlElement* MucRoomLookupTask::MakeNameQuery(
  79     const std::string& room_name, const std::string& room_domain) {
  80   XmlElement* name_elem = new XmlElement(QN_SEARCH_ROOM_NAME, false);
  81   name_elem->SetBodyText(room_name);
  82
  83   XmlElement* domain_elem = new XmlElement(QN_SEARCH_ROOM_DOMAIN, false);
  84   domain_elem->SetBodyText(room_domain);
  85
  86   XmlElement* query = new XmlElement(QN_SEARCH_QUERY, true);
  87   query->AddElement(name_elem);
  88   query->AddElement(domain_elem);
  89   return query;
  90 }
  91
  92 XmlElement* MucRoomLookupTask::MakeJidQuery(const Jid& room_jid) {
  93   XmlElement* jid_elem = new XmlElement(QN_SEARCH_ROOM_JID);
  94   jid_elem->SetBodyText(room_jid.Str());
  95
  96   XmlElement* query = new XmlElement(QN_SEARCH_QUERY);
  97   query->AddElement(jid_elem);
  98   return query;
  99 }
 100
 101 XmlElement* MucRoomLookupTask::MakeExternalIdQuery(
 102     const std::string& external_id, const std::string& type) {
 103   XmlElement* external_id_elem = new XmlElement(QN_SEARCH_EXTERNAL_ID);
 104   external_id_elem->SetAttr(QN_TYPE, type);
 105   external_id_elem->SetBodyText(external_id);
 106
 107   XmlElement* query = new XmlElement(QN_SEARCH_QUERY);
 108   query->AddElement(external_id_elem);
 109   return query;
 110 }
 111
 112 // Construct a stanza to lookup the muc jid for a given hangout id. eg:
 113 //
 114 // <query xmlns="jabber:iq:search">
 115 //   <hangout-id>0b48ad092c893a53b7bfc87422caf38e93978798e</hangout-id>
 116 // </query>
 117 XmlElement* MucRoomLookupTask::MakeHangoutIdQuery(
 118     const std::string& hangout_id) {
 119   XmlElement* hangout_id_elem = new XmlElement(QN_SEARCH_HANGOUT_ID, false);
 120   hangout_id_elem->SetBodyText(hangout_id);
 121
 122   XmlElement* query = new XmlElement(QN_SEARCH_QUERY, true);
 123   query->AddElement(hangout_id_elem);
 124   return query;
 125 }
 126
 127 // Handle a response like the following:
 128 //
 129 // <query xmlns="jabber:iq:search">
 130 //   <item jid="muvc-private-chat-guid@groupchat.google.com">
 131 //     <room-name>0b48ad092c893a53b7bfc87422caf38e93978798e</room-name>
 132 //     <room-domain>hangout.google.com</room-domain>
 133 //   </item>
 134 // </query>
 135 void MucRoomLookupTask::HandleResult(const XmlElement* stanza) {
 136   const XmlElement* query_elem = stanza->FirstNamed(QN_SEARCH_QUERY);
 137   if (query_elem == NULL) {
 138     SignalError(this, stanza);
 139     return;
 140   }
 141
 142   const XmlElement* item_elem = query_elem->FirstNamed(QN_SEARCH_ITEM);
 143   if (item_elem == NULL) {
 144     SignalError(this, stanza);
 145     return;
 146   }
 147
 148   MucRoomInfo room;
 149   room.jid = Jid(item_elem->Attr(buzz::QN_JID));
 150   if (!room.jid.IsValid()) {
 151     SignalError(this, stanza);
 152     return;
 153   }
 154
 155   const XmlElement* room_name_elem =
 156       item_elem->FirstNamed(QN_SEARCH_ROOM_NAME);
 157   if (room_name_elem != NULL) {
 158     room.name = room_name_elem->BodyText();
 159   }
 160
 161   const XmlElement* room_domain_elem =
 162       item_elem->FirstNamed(QN_SEARCH_ROOM_DOMAIN);
 163   if (room_domain_elem != NULL) {
 164     room.domain = room_domain_elem->BodyText();
 165   }
 166
 167   const XmlElement* hangout_id_elem =
 168       item_elem->FirstNamed(QN_SEARCH_HANGOUT_ID);
 169   if (hangout_id_elem != NULL) {
 170     room.hangout_id = hangout_id_elem->BodyText();
 171   }
 172
 173   SignalResult(this, room);
 174 }
 175
 176 }  // namespace buzz