1 /*
2 * Copyright 2004 The WebRTC Project Authors. All rights reserved.
3 *
4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree.
9 */
10
11 #include "third_party/libjingle_xmpp/xmpp/constants.h"
12 #include "third_party/libjingle_xmpp/xmpp/xmppclient.h"
13 #include "third_party/libjingle_xmpp/xmpp/xmppengine.h"
14 #include "third_party/libjingle_xmpp/xmpp/xmpptask.h"
15
16 namespace jingle_xmpp {
17
XmppClientInterface()18 XmppClientInterface::XmppClientInterface() {
19 }
20
~XmppClientInterface()21 XmppClientInterface::~XmppClientInterface() {
22 }
23
XmppTask(XmppTaskParentInterface * parent,XmppEngine::HandlerLevel level)24 XmppTask::XmppTask(XmppTaskParentInterface* parent,
25 XmppEngine::HandlerLevel level)
26 : XmppTaskBase(parent), stopped_(false) {
27 #if !defined(NDEBUG)
28 debug_force_timeout_ = false;
29 #endif
30
31 id_ = GetClient()->NextId();
32 GetClient()->AddXmppTask(this, level);
33 GetClient()->SignalDisconnected.connect(this, &XmppTask::OnDisconnect);
34 }
35
~XmppTask()36 XmppTask::~XmppTask() {
37 StopImpl();
38 }
39
StopImpl()40 void XmppTask::StopImpl() {
41 while (NextStanza() != NULL) {}
42 if (!stopped_) {
43 GetClient()->RemoveXmppTask(this);
44 GetClient()->SignalDisconnected.disconnect(this);
45 stopped_ = true;
46 }
47 }
48
SendStanza(const XmlElement * stanza)49 XmppReturnStatus XmppTask::SendStanza(const XmlElement* stanza) {
50 if (stopped_)
51 return XMPP_RETURN_BADSTATE;
52 return GetClient()->SendStanza(stanza);
53 }
54
SendStanzaError(const XmlElement * element_original,XmppStanzaError code,const std::string & text)55 XmppReturnStatus XmppTask::SendStanzaError(const XmlElement* element_original,
56 XmppStanzaError code,
57 const std::string& text) {
58 if (stopped_)
59 return XMPP_RETURN_BADSTATE;
60 return GetClient()->SendStanzaError(element_original, code, text);
61 }
62
Stop()63 void XmppTask::Stop() {
64 StopImpl();
65 Task::Stop();
66 }
67
OnDisconnect()68 void XmppTask::OnDisconnect() {
69 Error();
70 }
71
QueueStanza(const XmlElement * stanza)72 void XmppTask::QueueStanza(const XmlElement* stanza) {
73 #if !defined(NDEBUG)
74 if (debug_force_timeout_)
75 return;
76 #endif
77
78 stanza_queue_.push_back(new XmlElement(*stanza));
79 Wake();
80 }
81
NextStanza()82 const XmlElement* XmppTask::NextStanza() {
83 XmlElement* result = NULL;
84 if (!stanza_queue_.empty()) {
85 result = stanza_queue_.front();
86 stanza_queue_.pop_front();
87 }
88 next_stanza_.reset(result);
89 return result;
90 }
91
MakeIq(const std::string & type,const jingle_xmpp::Jid & to,const std::string & id)92 XmlElement* XmppTask::MakeIq(const std::string& type,
93 const jingle_xmpp::Jid& to,
94 const std::string& id) {
95 XmlElement* result = new XmlElement(QN_IQ);
96 if (!type.empty())
97 result->AddAttr(QN_TYPE, type);
98 if (!to.IsEmpty())
99 result->AddAttr(QN_TO, to.Str());
100 if (!id.empty())
101 result->AddAttr(QN_ID, id);
102 return result;
103 }
104
MakeIqResult(const XmlElement * query)105 XmlElement* XmppTask::MakeIqResult(const XmlElement * query) {
106 XmlElement* result = new XmlElement(QN_IQ);
107 result->AddAttr(QN_TYPE, STR_RESULT);
108 if (query->HasAttr(QN_FROM)) {
109 result->AddAttr(QN_TO, query->Attr(QN_FROM));
110 }
111 result->AddAttr(QN_ID, query->Attr(QN_ID));
112 return result;
113 }
114
MatchResponseIq(const XmlElement * stanza,const Jid & to,const std::string & id)115 bool XmppTask::MatchResponseIq(const XmlElement* stanza,
116 const Jid& to,
117 const std::string& id) {
118 if (stanza->Name() != QN_IQ)
119 return false;
120
121 if (stanza->Attr(QN_ID) != id)
122 return false;
123
124 return MatchStanzaFrom(stanza, to);
125 }
126
MatchStanzaFrom(const XmlElement * stanza,const Jid & to)127 bool XmppTask::MatchStanzaFrom(const XmlElement* stanza,
128 const Jid& to) {
129 Jid from(stanza->Attr(QN_FROM));
130 if (from == to)
131 return true;
132
133 // We address the server as "", check if we are doing so here.
134 if (!to.IsEmpty())
135 return false;
136
137 // It is legal for the server to identify itself with "domain" or
138 // "myself@domain"
139 Jid me = GetClient()->jid();
140 return (from == Jid(me.domain())) || (from == me.BareJid());
141 }
142
MatchRequestIq(const XmlElement * stanza,const std::string & type,const QName & qn)143 bool XmppTask::MatchRequestIq(const XmlElement* stanza,
144 const std::string& type,
145 const QName& qn) {
146 if (stanza->Name() != QN_IQ)
147 return false;
148
149 if (stanza->Attr(QN_TYPE) != type)
150 return false;
151
152 if (stanza->FirstNamed(qn) == NULL)
153 return false;
154
155 return true;
156 }
157
158 }
159