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
35namespace buzz {
36
37MucRoomLookupTask*
38MucRoomLookupTask::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
46MucRoomLookupTask*
47MucRoomLookupTask::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
54MucRoomLookupTask*
55MucRoomLookupTask::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
62MucRoomLookupTask*
63MucRoomLookupTask::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
72MucRoomLookupTask::MucRoomLookupTask(XmppTaskParentInterface* parent,
73                                     const Jid& lookup_server_jid,
74                                     XmlElement* query)
75    : IqTask(parent, STR_SET, lookup_server_jid, query) {
76}
77
78XmlElement* 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
92XmlElement* 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
101XmlElement* 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>
117XmlElement* 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>
135void 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