1 /****************************************************************************
3 ** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
4 ** Contact: http://www.qt-project.org/legal
6 ** This file is part of the QtWebSockets module of the Qt Toolkit.
8 ** $QT_BEGIN_LICENSE:LGPL$
9 ** Commercial License Usage
10 ** Licensees holding valid commercial Qt licenses may use this file in
11 ** accordance with the commercial license agreement provided with the
12 ** Software or, alternatively, in accordance with the terms contained in
13 ** a written agreement between you and Digia. For licensing terms and
14 ** conditions see http://qt.digia.com/licensing. For further information
15 ** use the contact form at http://qt.digia.com/contact-us.
17 ** GNU Lesser General Public License Usage
18 ** Alternatively, this file may be used under the terms of the GNU Lesser
19 ** General Public License version 2.1 as published by the Free Software
20 ** Foundation and appearing in the file LICENSE.LGPL included in the
21 ** packaging of this file. Please review the following information to
22 ** ensure the GNU Lesser General Public License version 2.1 requirements
23 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
25 ** In addition, as a special exception, Digia gives you certain additional
26 ** rights. These rights are described in the Digia Qt LGPL Exception
27 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
29 ** GNU General Public License Usage
30 ** Alternatively, this file may be used under the terms of the GNU
31 ** General Public License version 3.0 as published by the Free Software
32 ** Foundation and appearing in the file LICENSE.GPL included in the
33 ** packaging of this file. Please review the following information to
34 ** ensure the GNU General Public License version 3.0 requirements will be
35 ** met: http://www.gnu.org/copyleft/gpl.html.
40 ****************************************************************************/
42 #include "qwebsocketprotocol_p.h"
43 #include <QtCore/QString>
44 #include <QtCore/QSet>
45 #include <QtCore/QtEndian>
50 \namespace QWebSocketProtocol
51 \inmodule QtWebSockets
52 \brief Contains constants related to the WebSocket standard.
56 \enum QWebSocketProtocol::CloseCode
58 \inmodule QtWebSockets
60 The close codes supported by WebSockets V13
62 \value CC_NORMAL Normal closure
63 \value CC_GOING_AWAY Going away
64 \value CC_PROTOCOL_ERROR Protocol error
65 \value CC_DATATYPE_NOT_SUPPORTED Unsupported data
66 \value CC_RESERVED_1004 Reserved
67 \value CC_MISSING_STATUS_CODE No status received
68 \value CC_ABNORMAL_DISCONNECTION Abnormal closure
69 \value CC_WRONG_DATATYPE Invalid frame payload data
70 \value CC_POLICY_VIOLATED Policy violation
71 \value CC_TOO_MUCH_DATA Message too big
72 \value CC_MISSING_EXTENSION Mandatory extension missing
73 \value CC_BAD_OPERATION Internal server error
74 \value CC_TLS_HANDSHAKE_FAILED TLS handshake failed
76 \sa QWebSocket::close()
79 \enum QWebSocketProtocol::Version
81 \inmodule QtWebSockets
83 \brief The different defined versions of the Websocket protocol.
85 For an overview of the differences between the different protocols, see
86 <http://code.google.com/p/pywebsocket/wiki/WebSocketProtocolSpec>
89 \value V_0 hixie76: http://tools.ietf.org/html/draft-hixie-thewebsocketprotocol-76 &
90 hybi-00: http://tools.ietf.org/html/draft-ietf-hybi-thewebsocketprotocol-00.
91 Works with key1, key2 and a key in the payload.
92 Attribute: Sec-WebSocket-Draft value 0.
93 \value V_4 hybi-04: http://tools.ietf.org/id/draft-ietf-hybi-thewebsocketprotocol-04.txt.
94 Changed handshake: key1, key2, key3
95 ==> Sec-WebSocket-Key, Sec-WebSocket-Nonce, Sec-WebSocket-Accept
96 Sec-WebSocket-Draft renamed to Sec-WebSocket-Version
97 Sec-WebSocket-Version = 4
98 \value V_5 hybi-05: http://tools.ietf.org/id/draft-ietf-hybi-thewebsocketprotocol-05.txt.
99 Sec-WebSocket-Version = 5
100 Removed Sec-WebSocket-Nonce
101 Added Sec-WebSocket-Accept
102 \value V_6 Sec-WebSocket-Version = 6.
103 \value V_7 hybi-07: http://tools.ietf.org/html/draft-ietf-hybi-thewebsocketprotocol-07.
104 Sec-WebSocket-Version = 7
105 \value V_8 hybi-8, hybi-9, hybi-10, hybi-11 and hybi-12.
106 Status codes 1005 and 1006 are added and all codes are now unsigned
107 Internal error results in 1006
108 \value V_13 hybi-13, hybi14, hybi-15, hybi-16, hybi-17 and RFC 6455.
109 Sec-WebSocket-Version = 13
110 Status code 1004 is now reserved
111 Added 1008, 1009 and 1010
113 Clarify multiple version support
114 \value V_LATEST Refers to the latest know version to QWebSockets.
118 \fn QWebSocketProtocol::isOpCodeReserved(OpCode code)
119 Checks if \a code is a valid OpCode
125 \fn QWebSocketProtocol::isCloseCodeValid(int closeCode)
126 Checks if \a closeCode is a valid web socket close code
132 \fn QWebSocketProtocol::currentVersion()
133 Returns the latest version that WebSocket is supporting
139 Parses the \a versionString and converts it to a Version value
143 QWebSocketProtocol::Version QWebSocketProtocol::versionFromString(const QString &versionString)
146 Version version = V_Unknow;
147 const int ver = versionString.toInt(&ok);
148 QSet<Version> supportedVersions;
149 supportedVersions << V_0 << V_4 << V_5 << V_6 << V_7 << V_8 << V_13;
150 if (Q_LIKELY(ok) && (supportedVersions.contains(static_cast<Version>(ver))))
151 version = static_cast<Version>(ver);
156 Mask the \a payload with the given \a maskingKey and stores the result back in \a payload.
160 void QWebSocketProtocol::mask(QByteArray *payload, quint32 maskingKey)
163 mask(payload->data(), payload->size(), maskingKey);
167 Masks the \a payload of length \a size with the given \a maskingKey and
168 stores the result back in \a payload.
172 void QWebSocketProtocol::mask(char *payload, quint64 size, quint32 maskingKey)
175 const quint8 mask[] = { quint8((maskingKey & 0xFF000000u) >> 24),
176 quint8((maskingKey & 0x00FF0000u) >> 16),
177 quint8((maskingKey & 0x0000FF00u) >> 8),
178 quint8((maskingKey & 0x000000FFu))
182 *payload++ ^= mask[i++ % 4];