1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
|
#include "Swiften/Server/ServerFromClientSession.h"
#include <boost/bind.hpp>
#include "Swiften/Elements/ProtocolHeader.h"
#include "Swiften/Server/UserRegistry.h"
#include "Swiften/Network/Connection.h"
#include "Swiften/StreamStack/XMPPLayer.h"
#include "Swiften/Elements/StreamFeatures.h"
#include "Swiften/Elements/ResourceBind.h"
#include "Swiften/Elements/StartSession.h"
#include "Swiften/Elements/IQ.h"
#include "Swiften/Elements/AuthSuccess.h"
#include "Swiften/Elements/AuthFailure.h"
#include "Swiften/Elements/AuthRequest.h"
#include "Swiften/SASL/PLAINMessage.h"
namespace Swift {
ServerFromClientSession::ServerFromClientSession(
const String& id,
boost::shared_ptr<Connection> connection,
PayloadParserFactoryCollection* payloadParserFactories,
PayloadSerializerCollection* payloadSerializers,
UserRegistry* userRegistry) :
Session(connection, payloadParserFactories, payloadSerializers),
id_(id),
userRegistry_(userRegistry),
authenticated_(false),
initialized(false) {
}
void ServerFromClientSession::handleElement(boost::shared_ptr<Element> element) {
if (isInitialized()) {
onElementReceived(element);
}
else {
if (AuthRequest* authRequest = dynamic_cast<AuthRequest*>(element.get())) {
if (authRequest->getMechanism() != "PLAIN") {
getXMPPLayer()->writeElement(boost::shared_ptr<AuthFailure>(new AuthFailure));
finishSession(NoSupportedAuthMechanismsError);
}
else {
PLAINMessage plainMessage(authRequest->getMessage());
if (userRegistry_->isValidUserPassword(JID(plainMessage.getAuthenticationID(), getLocalJID().getDomain()), plainMessage.getPassword())) {
getXMPPLayer()->writeElement(boost::shared_ptr<AuthSuccess>(new AuthSuccess()));
user_ = plainMessage.getAuthenticationID();
authenticated_ = true;
getXMPPLayer()->resetParser();
}
else {
getXMPPLayer()->writeElement(boost::shared_ptr<AuthFailure>(new AuthFailure));
finishSession(AuthenticationFailedError);
}
}
}
else if (IQ* iq = dynamic_cast<IQ*>(element.get())) {
if (boost::shared_ptr<ResourceBind> resourceBind = iq->getPayload<ResourceBind>()) {
setRemoteJID(JID(user_, getLocalJID().getDomain(), resourceBind->getResource()));
boost::shared_ptr<ResourceBind> resultResourceBind(new ResourceBind());
resultResourceBind->setJID(getRemoteJID());
getXMPPLayer()->writeElement(IQ::createResult(JID(), iq->getID(), resultResourceBind));
}
else if (iq->getPayload<StartSession>()) {
getXMPPLayer()->writeElement(IQ::createResult(getRemoteJID(), iq->getID()));
setInitialized();
}
}
}
}
void ServerFromClientSession::handleStreamStart(const ProtocolHeader& incomingHeader) {
setLocalJID(JID("", incomingHeader.getTo()));
ProtocolHeader header;
header.setFrom(incomingHeader.getTo());
header.setID(id_);
getXMPPLayer()->writeHeader(header);
boost::shared_ptr<StreamFeatures> features(new StreamFeatures());
if (!authenticated_) {
features->addAuthenticationMechanism("PLAIN");
}
else {
features->setHasResourceBind();
features->setHasSession();
}
getXMPPLayer()->writeElement(features);
}
void ServerFromClientSession::setInitialized() {
initialized = true;
onSessionStarted();
}
}
|