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3 ** Copyright (C) 2014 Kurt Pattyn <pattyn.kurt@gmail.com>.
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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 CloseCodeNormal Normal closure
63 \value CloseCodeGoingAway Going away
64 \value CloseCodeProtocolError Protocol error
65 \value CloseCodeDatatypeNotSupported Unsupported data
66 \value CloseCodeReserved1004 Reserved
67 \value CloseCodeMissingStatusCode No status received
68 \value CloseCodeAbnormalDisconnection Abnormal closure
69 \value CloseCodeWrongDatatype Invalid frame payload data
70 \value CloseCodePolicyViolated Policy violation
71 \value CloseCodeTooMuchData Message too big
72 \value CloseCodeMissingExtension Mandatory extension missing
73 \value CloseCodeBadOperation Internal server error
74 \value CloseCodeTlsHandshakeFailed 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>
88 \value VersionUnknown Unknown or unspecified version.
89 \value Version0 hixie76:
90 http://tools.ietf.org/html/draft-hixie-thewebsocketprotocol-76 &
92 http://tools.ietf.org/html/draft-ietf-hybi-thewebsocketprotocol-00.
93 Works with key1, key2 and a key in the payload.
94 Attribute: Sec-WebSocket-Draft value 0.
95 Not supported by QtWebSockets.
96 \value Version4 hybi-04:
97 http://tools.ietf.org/id/draft-ietf-hybi-thewebsocketprotocol-04.txt.
98 Changed handshake: key1, key2, key3
99 ==> Sec-WebSocket-Key, Sec-WebSocket-Nonce, Sec-WebSocket-Accept
100 Sec-WebSocket-Draft renamed to Sec-WebSocket-Version
101 Sec-WebSocket-Version = 4.
102 Not supported by QtWebSockets.
103 \value Version5 hybi-05:
104 http://tools.ietf.org/id/draft-ietf-hybi-thewebsocketprotocol-05.txt.
105 Sec-WebSocket-Version = 5
106 Removed Sec-WebSocket-Nonce
107 Added Sec-WebSocket-Accept.
108 Not supported by QtWebSockets.
109 \value Version6 Sec-WebSocket-Version = 6.
110 Not supported by QtWebSockets.
111 \value Version7 hybi-07:
112 http://tools.ietf.org/html/draft-ietf-hybi-thewebsocketprotocol-07.
113 Sec-WebSocket-Version = 7.
114 Not supported by QtWebSockets.
115 \value Version8 hybi-8, hybi-9, hybi-10, hybi-11 and hybi-12.
116 Status codes 1005 and 1006 are added and all codes are now unsigned
117 Internal error results in 1006.
118 Not supported by QtWebSockets.
119 \value Version13 hybi-13, hybi14, hybi-15, hybi-16, hybi-17 and RFC 6455.
120 Sec-WebSocket-Version = 13
121 Status code 1004 is now reserved
122 Added 1008, 1009 and 1010
124 Clarify multiple version support.
125 Supported by QtWebSockets.
126 \value VersionLatest Refers to the latest known version to QtWebSockets.
130 \enum QWebSocketProtocol::OpCode
132 \inmodule QtWebSockets
134 The frame opcodes as defined by the WebSockets standard
136 \value OpCodeContinue Continuation frame
137 \value OpCodeText Text frame
138 \value OpCodeBinary Binary frame
139 \value OpCodeReserved3 Reserved
140 \value OpCodeReserved4 Reserved
141 \value OpCodeReserved5 Reserved
142 \value OpCodeReserved6 Reserved
143 \value OpCodeReserved7 Reserved
144 \value OpCodeClose Close frame
145 \value OpCodePing Ping frame
146 \value OpCodePong Pong frame
147 \value OpCodeReservedB Reserved
148 \value OpCodeReservedC Reserved
149 \value OpCodeReservedD Reserved
150 \value OpCodeReservedE Reserved
151 \value OpCodeReservedF Reserved
157 \fn QWebSocketProtocol::isOpCodeReserved(OpCode code)
158 Checks if \a code is a valid OpCode
164 \fn QWebSocketProtocol::isCloseCodeValid(int closeCode)
165 Checks if \a closeCode is a valid web socket close code
171 \fn QWebSocketProtocol::currentVersion()
172 Returns the latest version that WebSocket is supporting
178 Parses the \a versionString and converts it to a Version value
182 QWebSocketProtocol::Version QWebSocketProtocol::versionFromString(const QString &versionString)
185 Version version = VersionUnknown;
186 const int ver = versionString.toInt(&ok);
187 QSet<Version> supportedVersions;
188 supportedVersions << Version0 << Version4 << Version5 << Version6 << Version7 << Version8
190 if (Q_LIKELY(ok) && (supportedVersions.contains(static_cast<Version>(ver))))
191 version = static_cast<Version>(ver);
196 Mask the \a payload with the given \a maskingKey and stores the result back in \a payload.
200 void QWebSocketProtocol::mask(QByteArray *payload, quint32 maskingKey)
203 mask(payload->data(), payload->size(), maskingKey);
207 Masks the \a payload of length \a size with the given \a maskingKey and
208 stores the result back in \a payload.
212 void QWebSocketProtocol::mask(char *payload, quint64 size, quint32 maskingKey)
215 const quint8 mask[] = { quint8((maskingKey & 0xFF000000u) >> 24),
216 quint8((maskingKey & 0x00FF0000u) >> 16),
217 quint8((maskingKey & 0x0000FF00u) >> 8),
218 quint8((maskingKey & 0x000000FFu))
222 *payload++ ^= mask[i++ % 4];