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// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// A set of common constants that are needed for the WebSocket handshake.
// In general, you should prefer using these constants to literal strings,
// except in tests.
//
// These constants cannot be used in files that are compiled on iOS, because
// this file is not compiled on iOS.
#ifndef NET_WEBSOCKETS_WEBSOCKET_HANDSHAKE_CONSTANTS_H_
#define NET_WEBSOCKETS_WEBSOCKET_HANDSHAKE_CONSTANTS_H_
#include "base/basictypes.h"
// This file plases constants inside the ::net::websockets namespace to avoid
// risk of collisions with other symbols in libnet.
namespace net {
namespace websockets {
// "HTTP/1.1"
// RFC6455 only requires HTTP/1.1 "or better" but in practice an HTTP version
// other than 1.1 should not occur in a WebSocket handshake.
extern const char* const kHttpProtocolVersion;
// The Sec-WebSockey-Key challenge is 16 random bytes, base64 encoded.
extern const size_t kRawChallengeLength;
// "Sec-WebSocket-Protocol"
extern const char* const kSecWebSocketProtocol;
// "Sec-WebSocket-Extensions"
extern const char* const kSecWebSocketExtensions;
// "Sec-WebSocket-Key"
extern const char* const kSecWebSocketKey;
// "Sec-WebSocket-Accept"
extern const char* const kSecWebSocketAccept;
// "Sec-WebSocket-Version"
extern const char* const kSecWebSocketVersion;
// "Upgrade"
extern const char* const kUpgrade;
// "258EAFA5-E914-47DA-95CA-C5AB0DC85B11" as defined in section 4.1 of
// RFC6455.
extern const char* const kWebSocketGuid;
// Colon-prefixed lowercase headers for SPDY3.
// ":sec-websocket-protocol"
extern const char* const kSecWebSocketProtocolSpdy3;
// ":sec-websocket-extensions"
extern const char* const kSecWebSocketExtensionsSpdy3;
// Some parts of the code require lowercase versions of the header names in
// order to do case-insensitive comparisons, or because of SPDY.
// "sec-websocket-protocol"
extern const char* const kSecWebSocketProtocolLowercase;
// "sec-websocket-extensions"
extern const char* const kSecWebSocketExtensionsLowercase;
// "sec-webSocket-key"
extern const char* const kSecWebSocketKeyLowercase;
// "sec-websocket-version"
extern const char* const kSecWebSocketVersionLowercase;
// "upgrade"
extern const char* const kUpgradeLowercase;
// "websocket", as used in the "Upgrade:" header. This is always lowercase
// (except in obsolete versions of the protocol).
extern const char* const kWebSocketLowercase;
} // namespace websockets
} // namespace net
#endif // NET_WEBSOCKETS_WEBSOCKET_HANDSHAKE_CONSTANTS_H_
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