Home | History | Annotate | Download | only in xmpp 
      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/base/logging.h"
     31 #include "talk/base/scoped_ptr.h"
     32 #include "talk/xmpp/constants.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 (at) 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
    177