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
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
|
/**
* This file is part of TelepathyQt
*
* @copyright Copyright (C) 2012 Collabora Ltd. <http://www.collabora.co.uk/>
* @license LGPL 2.1
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <TelepathyQt/IncomingDBusTubeChannel>
#include "TelepathyQt/_gen/incoming-dbus-tube-channel.moc.hpp"
#include "TelepathyQt/debug-internal.h"
#include <TelepathyQt/Connection>
#include <TelepathyQt/ContactManager>
#include <TelepathyQt/PendingDBusTubeConnection>
#include <TelepathyQt/PendingString>
#include <TelepathyQt/Types>
namespace Tp
{
struct TP_QT_NO_EXPORT IncomingDBusTubeChannel::Private
{
public:
Private(IncomingDBusTubeChannel *parent);
// Public object
IncomingDBusTubeChannel *parent;
};
IncomingDBusTubeChannel::Private::Private(IncomingDBusTubeChannel *parent)
: parent(parent)
{
}
/**
* \class IncomingDBusTubeChannel
* \ingroup clientchannel
* \headerfile TelepathyQt/incoming-dbus-tube-channel.h <TelepathyQt/IncomingDBusTubeChannel>
*
* \brief The IncomingStreamTubeChannel class represents an incoming Telepathy channel
* of type StreamTube.
*
* In particular, this class is meant to be used as a comfortable way for
* accepting incoming DBus tubes. Unless a different behavior is specified, tubes
* will be always accepted allowing connections just from the current user, unless this
* or one of the other ends do not support that. Unless your application has specific needs,
* you usually want to keep this behavior.
*
* Once a tube is successfully accepted and open (the PendingDBusTubeConnection returned from the
* accepting methods has finished), the application can connect to the DBus server, the address of which
* can be retrieved from PendingDBusTubeConnection::address().
*
* \note If you plan to use QtDBus for the DBus connection, please note you should always use
* QDBusConnection::connectToPeer(), regardless of the fact this tube is a p2p or a group one.
* The above function has been introduced in Qt 4.8, previous versions of Qt do not allow the use
* of DBus Tubes through QtDBus.
*
* For more details, please refer to \telepathy_spec.
*
* See \ref async_model, \ref shared_ptr
*/
/**
* Create a new IncomingDBusTubeChannel channel.
*
* \param connection Connection owning this channel, and specifying the
* service.
* \param objectPath The object path of this channel.
* \param immutableProperties The immutable properties of this channel.
* \return A IncomingDBusTubeChannelPtr object pointing to the newly created
* IncomingDBusTubeChannel object.
*/
IncomingDBusTubeChannelPtr IncomingDBusTubeChannel::create(const ConnectionPtr &connection,
const QString &objectPath, const QVariantMap &immutableProperties)
{
return IncomingDBusTubeChannelPtr(new IncomingDBusTubeChannel(connection, objectPath,
immutableProperties));
}
/**
* Construct a new IncomingDBusTubeChannel object.
*
* \param connection Connection owning this channel, and specifying the
* service.
* \param objectPath The object path of this channel.
* \param immutableProperties The immutable properties of this channel.
*/
IncomingDBusTubeChannel::IncomingDBusTubeChannel(const ConnectionPtr &connection,
const QString &objectPath,
const QVariantMap &immutableProperties)
: DBusTubeChannel(connection, objectPath, immutableProperties),
mPriv(new Private(this))
{
}
/**
* Class destructor.
*/
IncomingDBusTubeChannel::~IncomingDBusTubeChannel()
{
delete mPriv;
}
/**
* Accepts an incoming DBus tube.
*
* This method accepts an incoming connection request for a DBus tube. It can be called
* only if the tube is in the \c LocalPending state.
*
* Once called, this method will try opening the tube, and will create a new private DBus connection
* which can be used to communicate with the other end. You can then
* retrieve the address either from \c PendingDBusTubeConnection or from %address().
*
* This method requires DBusTubeChannel::FeatureCore to be enabled.
*
* \param allowOtherUsers Whether the server should allow other users to connect to this tube more
* than just the current one. If your application has no specific needs, it is
* advisable not to modify the default value of this argument.
*
* \note If allowOtherUsers == false, but one of the ends does not support current user restriction,
* the tube will be offered regardless, falling back to allowing any connection. If your
* application requires strictly this condition to be enforced, you should check
* DBusTubeChannel::supportsRestrictingToCurrentUser <b>before</b> accepting the tube,
* and take action from there.
* The tube is guaranteed either to be accepted with the desired
* restriction or to fail the accept phase if supportsRestrictingToCurrentUser is true
* and allowOtherUsers is false.
*
* \return A %PendingDBusTubeConnection which will finish as soon as the tube is ready to be used
* (hence in the Open state)
*/
PendingDBusTubeConnection *IncomingDBusTubeChannel::acceptTube(bool allowOtherUsers)
{
SocketAccessControl accessControl = allowOtherUsers ?
SocketAccessControlLocalhost :
SocketAccessControlCredentials;
if (!isReady(DBusTubeChannel::FeatureCore)) {
warning() << "DBusTubeChannel::FeatureCore must be ready before "
"calling acceptTube";
return new PendingDBusTubeConnection(QLatin1String(TP_QT_ERROR_NOT_AVAILABLE),
QLatin1String("Channel not ready"), IncomingDBusTubeChannelPtr(this));
}
// The tube must be in local pending state
if (state() != TubeChannelStateLocalPending) {
warning() << "You can accept tubes only when they are in LocalPending state";
return new PendingDBusTubeConnection(QLatin1String(TP_QT_ERROR_NOT_AVAILABLE),
QLatin1String("Channel busy"), IncomingDBusTubeChannelPtr(this));
}
// Let's accept the tube
if (!allowOtherUsers && !supportsRestrictingToCurrentUser()) {
warning() << "Current user restriction is not available for this tube, "
"falling back to allowing any connection";
accessControl = SocketAccessControlLocalhost;
}
PendingString *ps = new PendingString(
interface<Client::ChannelTypeDBusTubeInterface>()->Accept(
accessControl),
IncomingDBusTubeChannelPtr(this));
PendingDBusTubeConnection *op = new PendingDBusTubeConnection(ps,
accessControl == SocketAccessControlLocalhost,
QVariantMap(), IncomingDBusTubeChannelPtr(this));
return op;
}
}
|
