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*
CreateLookupTaskForRoomName(XmppTaskParentInterface * parent,const Jid & lookup_server_jid,const std::string & room_name,const std::string & room_domain)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*
CreateLookupTaskForRoomJid(XmppTaskParentInterface * parent,const Jid & lookup_server_jid,const Jid & room_jid)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*
CreateLookupTaskForHangoutId(XmppTaskParentInterface * parent,const Jid & lookup_server_jid,const std::string & hangout_id)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*
CreateLookupTaskForExternalId(XmppTaskParentInterface * parent,const Jid & lookup_server_jid,const std::string & external_id,const std::string & type)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
MucRoomLookupTask(XmppTaskParentInterface * parent,const Jid & lookup_server_jid,XmlElement * query)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
MakeNameQuery(const std::string & room_name,const std::string & room_domain)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
MakeJidQuery(const Jid & room_jid)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
MakeExternalIdQuery(const std::string & external_id,const std::string & type)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>
MakeHangoutIdQuery(const std::string & hangout_id)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>
HandleResult(const XmlElement * stanza)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